Storefront - Free HTML/CSS UI Kit

A high-end, luxury retail storefront UI Kit featuring sleek midnight blue, warm golden bronze accents, cormorant/tenor geometric typography, and razor-sharp conversions.

Download Full Kit (.zip)

Complete kit with all components & styles

Just need one component?

Download base.css and add the following line to your HTML:

Then grab a component below and add it to your HTML.

Color Palette

Midnight Indigo #0B132B
Golden Bronze #C5A028
Soft Warm White #FAFAFA
Basalt Slate #1E293B
Platin Gray #F1F5F9

Typography


Navbars

Store Top Navigation

HTML
<header class="sf-topnav">
    <div class="sf-topstrip">
        <span>✨ The Summer Collection Is Now Live. Enjoy Complimentary Insured Shipping.</span>
    </div>

    <div class="sf-nav-main">
        <a href="#" class="sf-logo">
            <div class="sf-logo-icon">S</div>
            <span>Stellare</span>
        </a>

        <nav class="sf-nav-links">
            <a href="#" class="sf-nav-link active">Prêt-à-Porter</a>
            <a href="#" class="sf-nav-link">Haute Joaillerie</a>
            <a href="#" class="sf-nav-link">Maison</a>
            <a href="#" class="sf-nav-link">Archival <span class="sf-badge sf-badge-sale">Sale</span></a>
        </nav>

        <div class="sf-nav-actions">
            <div class="sf-search-bar">
                <svg class="sf-search-ico" viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2" fill="none"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
                <input type="text" class="sf-search-input" placeholder="Search Stellare…">
            </div>
            <button class="sf-btn sf-btn-ghost sf-btn-icon" aria-label="Wishlist">
                <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2" fill="none"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"/></svg>
            </button>
            <button class="sf-btn sf-btn-primary sf-cart-btn" aria-label="Bag">
                <svg viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2.5" fill="none"><path d="M6 2L3 6v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6l-3-4z"/><line x1="3" y1="6" x2="21" y2="6"/><path d="M16 10a4 4 0 0 1-8 0"/></svg>
                <span>Bag</span>
                <span class="sf-cart-count">1</span>
            </button>
        </div>
    </div>
</header>
CSS (Component Only)
/* Component: Store Top Navigation */
/* NOTE: This component requires base.css to be included in your page. */

.sf-topnav {
    background-color: var(--sf-surface);
    border-bottom: 1px solid var(--sf-border);
    display: flex;
    flex-direction: column;
}

.sf-topstrip {
    background-color: var(--sf-primary);
    color: #fff;
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.sf-nav-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    gap: 2rem;
}

.sf-nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.sf-nav-link {
    font-family: var(--sf-font-body);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--sf-text-muted);
    text-decoration: none;
    transition: var(--sf-transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-nav-link:hover, .sf-nav-link.active {
    color: var(--sf-accent);
}

.sf-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--sf-accent);
}

.sf-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.sf-search-ico {
    position: absolute;
    left: 0.85rem;
    color: var(--sf-text-light);
    pointer-events: none;
}

.sf-search-input {
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    outline: none;
    transition: var(--sf-transition);
    width: 190px;
}

.sf-search-input:focus {
    border-color: var(--sf-primary);
    width: 240px;
}

.sf-cart-btn {
    border-radius: var(--sf-radius-sm);
    padding: 0.5rem 1.25rem;
    position: relative;
}

.sf-cart-count {
    background-color: var(--sf-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.25rem;
}

@media (max-width: 992px) {
    .sf-nav-links { display: none; }
    .sf-search-bar { display: none; }
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-topnav {
    background-color: var(--sf-surface);
    border-bottom: 1px solid var(--sf-border);
    display: flex;
    flex-direction: column;
}

.sf-topstrip {
    background-color: var(--sf-primary);
    color: #fff;
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.sf-nav-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    gap: 2rem;
}

.sf-nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.sf-nav-link {
    font-family: var(--sf-font-body);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--sf-text-muted);
    text-decoration: none;
    transition: var(--sf-transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-nav-link:hover, .sf-nav-link.active {
    color: var(--sf-accent);
}

.sf-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--sf-accent);
}

.sf-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.sf-search-ico {
    position: absolute;
    left: 0.85rem;
    color: var(--sf-text-light);
    pointer-events: none;
}

.sf-search-input {
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    outline: none;
    transition: var(--sf-transition);
    width: 190px;
}

.sf-search-input:focus {
    border-color: var(--sf-primary);
    width: 240px;
}

.sf-cart-btn {
    border-radius: var(--sf-radius-sm);
    padding: 0.5rem 1.25rem;
    position: relative;
}

.sf-cart-count {
    background-color: var(--sf-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.25rem;
}

@media (max-width: 992px) {
    .sf-nav-links { display: none; }
    .sf-search-bar { display: none; }
}

Filter Sidebar

HTML
<aside class="sf-filter-sidebar sf-card">
    <div class="sf-sidebar-head">
        <h3>Filter Archive</h3>
        <button class="sf-btn sf-btn-ghost sf-btn-sm">Reset</button>
    </div>

    <!-- Category -->
    <div class="sf-filter-group">
        <h4 class="sf-filter-title">Archive Division</h4>
        <div class="sf-filter-list">
            <label class="sf-filter-check active">
                <input type="checkbox" checked>
                <span>Haute Joaillerie</span>
                <span class="sf-filter-count">18</span>
            </label>
            <label class="sf-filter-check">
                <input type="checkbox">
                <span>Prêt-à-Porter</span>
                <span class="sf-filter-count">42</span>
            </label>
            <label class="sf-filter-check">
                <input type="checkbox">
                <span>Maison Design</span>
                <span class="sf-filter-count">15</span>
            </label>
        </div>
    </div>

    <hr class="sf-divider">

    <!-- Price Slider -->
    <div class="sf-filter-group">
        <h4 class="sf-filter-title">Investment Scope</h4>
        <div class="sf-price-range">
            <div class="sf-range-inputs">
                <input type="number" class="sf-input sf-input-sm" value="100">
                <span class="sf-range-sep">—</span>
                <input type="number" class="sf-input sf-input-sm" value="5000">
            </div>
        </div>
    </div>

    <hr class="sf-divider">

    <!-- Earthy Swatches -->
    <div class="sf-filter-group">
        <h4 class="sf-filter-title">Bronze &amp; Carat Tone</h4>
        <div class="sf-color-swatches">
            <button class="sf-swatch sf-swatch-active" style="background:#C5A028;" title="Golden Bronze"></button>
            <button class="sf-swatch" style="background:#0B132B;" title="Midnight Blue"></button>
            <button class="sf-swatch" style="background:#1E293B;" title="Basalt Slate"></button>
            <button class="sf-swatch" style="background:#E2E8F0;" title="Platin Gray"></button>
        </div>
    </div>

    <button class="sf-btn sf-btn-primary sf-btn-block" style="margin-top:0.5rem;">Apply Filters</button>
</aside>
CSS (Component Only)
/* Component: Filter Sidebar */
/* NOTE: This component requires base.css to be included in your page. */

.sf-filter-sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem !important;
}

.sf-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sf-sidebar-head h3 {
    font-size: 1.1rem;
    font-weight: 400;
}

.sf-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.sf-filter-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}

.sf-filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sf-filter-check {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
    user-select: none;
    transition: var(--sf-transition);
}

.sf-filter-check:hover {
    color: var(--sf-accent);
}

.sf-filter-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-primary);
    cursor: pointer;
    border-radius: 0px;
}

.sf-filter-count {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--sf-text-light);
    background-color: var(--sf-surface-2);
    padding: 0.1rem 0.5rem;
    border-radius: var(--sf-radius-sm);
}

/* Price Range */
.sf-price-range {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sf-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sf-input-sm {
    padding: 0.45rem 0.75rem;
    font-size: 0.82rem;
}

.sf-range-sep {
    color: var(--sf-text-light);
    font-weight: 700;
}

/* Colors */
.sf-color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sf-swatch {
    width: 28px;
    height: 28px;
    border: 1px solid var(--sf-border);
    cursor: pointer;
    transition: var(--sf-transition);
    position: relative;
    border-radius: 0px;
}

.sf-swatch-active {
    outline: 2px solid var(--sf-accent);
    outline-offset: 2px;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-filter-sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem !important;
}

.sf-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sf-sidebar-head h3 {
    font-size: 1.1rem;
    font-weight: 400;
}

.sf-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.sf-filter-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}

.sf-filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sf-filter-check {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
    user-select: none;
    transition: var(--sf-transition);
}

.sf-filter-check:hover {
    color: var(--sf-accent);
}

.sf-filter-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-primary);
    cursor: pointer;
    border-radius: 0px;
}

.sf-filter-count {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--sf-text-light);
    background-color: var(--sf-surface-2);
    padding: 0.1rem 0.5rem;
    border-radius: var(--sf-radius-sm);
}

/* Price Range */
.sf-price-range {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sf-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sf-input-sm {
    padding: 0.45rem 0.75rem;
    font-size: 0.82rem;
}

.sf-range-sep {
    color: var(--sf-text-light);
    font-weight: 700;
}

/* Colors */
.sf-color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sf-swatch {
    width: 28px;
    height: 28px;
    border: 1px solid var(--sf-border);
    cursor: pointer;
    transition: var(--sf-transition);
    position: relative;
    border-radius: 0px;
}

.sf-swatch-active {
    outline: 2px solid var(--sf-accent);
    outline-offset: 2px;
}

Hero Sections

Promo Banner Hero

HTML
<div class="sf-promo-hero sf-card">
    <div class="sf-promo-badge">
        <span class="sf-badge sf-badge-sale">HAUTE COLLECTION</span>
        <span class="sf-promo-discount">Sleek geometric lines, handmade in Italy.</span>
    </div>

    <h1 class="sf-promo-title">Modern Luxury, Redefined</h1>
    <p class="sf-promo-desc">Our latest capsule collection of structured gold rings, solid brass objects, and minimal architectural vaseware. Conceived for modern sanctuaries.</p>

    <div class="sf-promo-actions">
        <button class="sf-btn sf-btn-primary sf-btn-lg">View Capsule</button>
        <button class="sf-btn sf-btn-outline sf-btn-lg">The Philosophy</button>
    </div>

    <!-- Trust signals below -->
    <div class="sf-hero-trust">
        <div class="sf-trust-item">
            <span>✨ 18k Solid Gold</span>
        </div>
        <div class="sf-trust-item">
            <span>🇮🇹 Hand-finished in Milan</span>
        </div>
        <div class="sf-trust-item">
            <span>🔒 Insured Courier Dispatch</span>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Promo Banner Hero */
/* NOTE: This component requires base.css to be included in your page. */

.sf-promo-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 5rem 3rem !important;
    text-align: center;
    background: linear-gradient(135deg, #FAFAFA 0%, var(--sf-primary-muted) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
    position: relative;
    overflow: hidden;
}

.sf-promo-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -30%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(197,160,40,0.06) 0%, transparent 75%);
    pointer-events: none;
}

.sf-promo-badge {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
    justify-content: center;
}

.sf-promo-discount {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--sf-primary-hover);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-promo-title {
    font-size: 3.5rem;
    max-width: 800px;
    letter-spacing: 0.02em;
    color: var(--sf-text);
}

.sf-promo-desc {
    font-size: 1.1rem;
    max-width: 680px;
    color: var(--sf-text-muted);
    line-height: 1.7;
    font-weight: 500;
}

.sf-promo-actions {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

.sf-hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--sf-border);
    padding-top: 2rem;
    width: 100%;
    flex-wrap: wrap;
}

.sf-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sf-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .sf-promo-title { font-size: 2.35rem; }
    .sf-promo-hero { padding: 3.5rem 1.5rem !important; }
    .sf-hero-trust { gap: 1rem; }
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-promo-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 5rem 3rem !important;
    text-align: center;
    background: linear-gradient(135deg, #FAFAFA 0%, var(--sf-primary-muted) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
    position: relative;
    overflow: hidden;
}

.sf-promo-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -30%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(197,160,40,0.06) 0%, transparent 75%);
    pointer-events: none;
}

.sf-promo-badge {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
    justify-content: center;
}

.sf-promo-discount {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--sf-primary-hover);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-promo-title {
    font-size: 3.5rem;
    max-width: 800px;
    letter-spacing: 0.02em;
    color: var(--sf-text);
}

.sf-promo-desc {
    font-size: 1.1rem;
    max-width: 680px;
    color: var(--sf-text-muted);
    line-height: 1.7;
    font-weight: 500;
}

.sf-promo-actions {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

.sf-hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--sf-border);
    padding-top: 2rem;
    width: 100%;
    flex-wrap: wrap;
}

.sf-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sf-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .sf-promo-title { font-size: 2.35rem; }
    .sf-promo-hero { padding: 3.5rem 1.5rem !important; }
    .sf-hero-trust { gap: 1rem; }
}

Product Feature Split

HTML
<div class="sf-split-hero">
    <div class="sf-split-main sf-card">
        <span class="sf-badge sf-badge-new">Rare Edition</span>
        <h1 class="sf-split-title">Oculus Brass Object</h1>
        <p class="sf-split-desc">Hand-sculpted in Milan from premium solid golden brass. Featuring a gorgeous brushed finish and a highly structured silhouette that captures and bends ambient light.</p>

        <!-- Product highlights -->
        <ul class="sf-split-features">
            <li>
                <span class="sf-feat-icon">✨</span>
                <div>
                    <strong>Brushed Solid Brass</strong>
                    <p>Subtle tactile texture that ages beautifully with a rich natural patina.</p>
                </div>
            </li>
            <li>
                <span class="sf-feat-icon">📐</span>
                <div>
                    <strong>Precision Balanced</strong>
                    <p>Weighted base engineered precisely to double as a premium bookend.</p>
                </div>
            </li>
        </ul>

        <div class="sf-split-actions-row">
            <div class="sf-split-price-box">
                <span class="sf-price sf-price-sale">$245.00</span>
                <span class="sf-price-original">$320.00</span>
            </div>
            <button class="sf-btn sf-btn-primary sf-btn-lg">Acquire Object</button>
            <button class="sf-btn sf-btn-outline sf-btn-lg">Details</button>
        </div>
    </div>

    <!-- Right Side: Product widget -->
    <div class="sf-split-sidebar">
        <div class="sf-preview-widget sf-card">
            <div class="sf-widget-image-block">
                <span class="sf-badge sf-badge-new og-widget-badge">1 of 100</span>
                <div class="sf-widget-bot-icon">📐</div>
                <div class="sf-widget-shades">
                    <div class="sf-shade-one"></div>
                    <div class="sf-shade-two"></div>
                </div>
            </div>

            <div class="sf-widget-info">
                <div class="sf-stars">
                    ⭐⭐⭐⭐⭐
                    <span class="sf-stars-count">(48 collectors)</span>
                </div>
                <h4 class="sf-widget-title">Oculus Brass (2.4kg)</h4>
                <div class="sf-widget-stock">
                    <span class="sf-stock-dot"></span>
                    <span>Numbered archive edition</span>
                </div>
            </div>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Product Feature Split */
/* NOTE: This component requires base.css to be included in your page. */

.sf-split-hero {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.sf-split-main {
    padding: 3rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.sf-split-title {
    font-size: 2.85rem;
    letter-spacing: 0.02em;
    line-height: 1.15;
}

.sf-split-desc {
    font-size: 1.05rem;
    color: var(--sf-text-muted);
    line-height: 1.7;
    font-weight: 500;
}

/* Features */
.sf-split-features {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-split-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.sf-feat-icon {
    font-size: 1.25rem;
    width: 38px;
    height: 38px;
    background-color: var(--sf-surface-2);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sf-split-features strong {
    font-family: var(--sf-font-body);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-split-features p {
    font-size: 0.82rem;
    color: var(--sf-text-muted);
    margin-top: 0.1rem;
    font-weight: 500;
}

.sf-split-actions-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    flex-wrap: wrap;
    border-top: 1px solid var(--sf-border);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

.sf-split-price-box {
    display: flex;
    flex-direction: column;
    margin-right: auto;
}

/* Sidebar Product Widget */
.sf-preview-widget {
    padding: 0 !important;
    overflow: hidden;
}

.sf-widget-image-block {
    height: 270px;
    background: linear-gradient(135deg, var(--sf-primary-muted), #FAFAFA);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sf-widget-bot-icon {
    font-size: 5rem;
    z-index: 2;
    transition: var(--sf-transition);
}

.sf-preview-widget:hover .sf-widget-bot-icon {
    transform: scale(1.08) rotate(4deg);
}

.sf-widget-shades {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.sf-shade-one {
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 160px;
    height: 160px;
    background: rgba(197,160,40,0.06);
    border-radius: 50%;
}

.sf-shade-two {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 130px;
    height: 130px;
    background: rgba(11,19,43,0.04);
    border-radius: 50%;
}

.sf-widget-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sf-widget-title {
    font-size: 1rem;
    font-weight: 700;
}

.sf-widget-stock {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-accent);
}

.sf-stock-dot {
    width: 6px;
    height: 6px;
    background-color: var(--sf-accent);
}

@media (max-width: 900px) {
    .sf-split-hero { grid-template-columns: 1fr; }
    .sf-split-main { padding: 2rem !important; }
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-split-hero {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.sf-split-main {
    padding: 3rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.sf-split-title {
    font-size: 2.85rem;
    letter-spacing: 0.02em;
    line-height: 1.15;
}

.sf-split-desc {
    font-size: 1.05rem;
    color: var(--sf-text-muted);
    line-height: 1.7;
    font-weight: 500;
}

/* Features */
.sf-split-features {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-split-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.sf-feat-icon {
    font-size: 1.25rem;
    width: 38px;
    height: 38px;
    background-color: var(--sf-surface-2);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sf-split-features strong {
    font-family: var(--sf-font-body);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-split-features p {
    font-size: 0.82rem;
    color: var(--sf-text-muted);
    margin-top: 0.1rem;
    font-weight: 500;
}

.sf-split-actions-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    flex-wrap: wrap;
    border-top: 1px solid var(--sf-border);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

.sf-split-price-box {
    display: flex;
    flex-direction: column;
    margin-right: auto;
}

/* Sidebar Product Widget */
.sf-preview-widget {
    padding: 0 !important;
    overflow: hidden;
}

.sf-widget-image-block {
    height: 270px;
    background: linear-gradient(135deg, var(--sf-primary-muted), #FAFAFA);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sf-widget-bot-icon {
    font-size: 5rem;
    z-index: 2;
    transition: var(--sf-transition);
}

.sf-preview-widget:hover .sf-widget-bot-icon {
    transform: scale(1.08) rotate(4deg);
}

.sf-widget-shades {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.sf-shade-one {
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 160px;
    height: 160px;
    background: rgba(197,160,40,0.06);
    border-radius: 50%;
}

.sf-shade-two {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 130px;
    height: 130px;
    background: rgba(11,19,43,0.04);
    border-radius: 50%;
}

.sf-widget-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sf-widget-title {
    font-size: 1rem;
    font-weight: 700;
}

.sf-widget-stock {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-accent);
}

.sf-stock-dot {
    width: 6px;
    height: 6px;
    background-color: var(--sf-accent);
}

@media (max-width: 900px) {
    .sf-split-hero { grid-template-columns: 1fr; }
    .sf-split-main { padding: 2rem !important; }
}

Buttons

Store Primary Buttons

HTML
<div class="sf-btn-showcase">
    <div class="sf-showcase-group">
        <span class="sf-showcase-label">Solid Haute Actions</span>
        <div class="sf-btn-row">
            <button class="sf-btn sf-btn-primary">Midnight Indigo</button>
            <button class="sf-btn sf-btn-accent">Golden Bronze</button>
            <button class="sf-btn sf-btn-primary" style="background:#1E293B; border-color:#1E293B;">Basalt Slate</button>
        </div>
    </div>
    
    <div class="sf-showcase-group">
        <span class="sf-showcase-label">Sizes &amp; Loading</span>
        <div class="sf-btn-row">
            <button class="sf-btn sf-btn-primary sf-btn-sm">Small Edition</button>
            <button class="sf-btn sf-btn-primary sf-btn-lg">Large Capsule</button>
            <button class="sf-btn sf-btn-primary" disabled style="opacity:0.5; cursor:not-allowed;">Archived</button>
            <button class="sf-btn sf-btn-primary" style="min-width:130px;">
                <svg class="sf-spinner" viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2.5" fill="none"><path d="M21 12a9 9 0 1 1-6.219-8.56"/></svg>
                Processing…
            </button>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Store Primary Buttons */
/* NOTE: This component requires base.css to be included in your page. */

.sf-btn-showcase { display: flex; flex-direction: column; gap: 2rem; max-width: 700px; }
.sf-showcase-group { display: flex; flex-direction: column; gap: 0.85rem; }
.sf-showcase-label {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}
.sf-btn-row { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; }

@keyframes sf-spin {
    to { transform: rotate(360deg); }
}

.sf-spinner {
    animation: sf-spin 0.8s linear infinite;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-btn-showcase { display: flex; flex-direction: column; gap: 2rem; max-width: 700px; }
.sf-showcase-group { display: flex; flex-direction: column; gap: 0.85rem; }
.sf-showcase-label {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}
.sf-btn-row { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; }

@keyframes sf-spin {
    to { transform: rotate(360deg); }
}

.sf-spinner {
    animation: sf-spin 0.8s linear infinite;
}

Store Outline Buttons

HTML
<div class="sf-btn-showcase">
    <div class="sf-showcase-group">
        <span class="sf-showcase-label">Minimalist Outlines</span>
        <div class="sf-btn-row">
            <button class="sf-btn sf-btn-outline">Outline Capsule</button>
            <button class="sf-btn sf-btn-ghost">Ghost Dismiss</button>
            <button class="sf-btn sf-btn-outline sf-btn-sm">
                <svg viewBox="0 0 24 24" width="13" height="13" stroke="currentColor" stroke-width="2.5" fill="none"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
                Verify Batch
            </button>
        </div>
    </div>

    <div class="sf-showcase-group">
        <span class="sf-showcase-label">Archival Icon Buttons</span>
        <div class="sf-btn-row">
            <button class="sf-btn sf-btn-outline sf-btn-icon text-danger" title="Favorite">
                <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="currentColor"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"/></svg>
            </button>
            <button class="sf-btn sf-btn-outline sf-btn-icon" title="Quick View">
                <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
            </button>
            <button class="sf-btn sf-btn-outline sf-btn-icon" title="Add">
                <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
            </button>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Store Outline Buttons */
/* NOTE: This component requires base.css to be included in your page. */

.sf-btn-showcase { display: flex; flex-direction: column; gap: 2rem; max-width: 700px; }
.sf-showcase-group { display: flex; flex-direction: column; gap: 0.85rem; }
.sf-showcase-label {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}
.sf-btn-row { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; }
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-btn-showcase { display: flex; flex-direction: column; gap: 2rem; max-width: 700px; }
.sf-showcase-group { display: flex; flex-direction: column; gap: 0.85rem; }
.sf-showcase-label {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-light);
}
.sf-btn-row { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; }

Forms

Customer Login

HTML
<div class="sf-login-wrap">
    <div class="sf-login-card sf-card">
        <div class="sf-login-brand">
            <a href="#" class="sf-login-logo">
                <div class="sf-logo-icon" style="width:28px; height:28px; font-size:0.85rem;">S</div>
                <span>Stellare</span>
            </a>
            <h2 class="sf-login-title">Archival Login</h2>
            <p class="sf-login-sub">Enter your credentials to access your private orders.</p>
        </div>

        <form class="sf-login-form" onsubmit="return false;">
            <div class="sf-form-group">
                <label class="sf-label" for="cust-email">Collector Email</label>
                <input type="email" id="cust-email" class="sf-input" placeholder="[email protected]" value="[email protected]">
            </div>

            <div class="sf-form-group">
                <div class="sf-label-row">
                    <label class="sf-label" for="cust-pass">Password</label>
                    <a href="#" class="sf-link-sm">Recover?</a>
                </div>
                <input type="password" id="cust-pass" class="sf-input" placeholder="••••••••••" value="••••••••••">
            </div>

            <div class="sf-login-remember">
                <label class="sf-checkbox-label">
                    <input type="checkbox" class="sf-checkbox" checked>
                    <span>Remember my allocation</span>
                </label>
            </div>

            <button type="submit" class="sf-btn sf-btn-primary sf-btn-block sf-btn-lg">Authenticate</button>
        </form>

        <div class="sf-login-divider">
            <span>Or Connect With</span>
        </div>

        <div class="sf-social-login">
            <button class="sf-btn sf-btn-outline sf-btn-block">
                <svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" style="margin-right:0.25rem;"><path d="M12.24 10.285V13.4h6.887C18.2 15.614 15.645 18 12.24 18c-3.86 0-7-3.14-7-7s3.14-7 7-7c1.7 0 3.3.6 4.6 1.8l2.4-2.4C17.3 1.7 14.9 1 12.24 1c-5.5 0-10 4.5-10 10s4.5 10 10 10c5.8 0 9.8-4.1 9.8-10 0-.6 0-1.1-.1-1.7H12.24z"/></svg>
                Google Identity
            </button>
        </div>

        <div class="sf-login-signup">
            <span>New collector?</span> <a href="#" class="sf-link-sm">Request Invite</a>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Customer Login */
/* NOTE: This component requires base.css to be included in your page. */

.sf-login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 560px;
    background-color: var(--sf-bg);
    padding: 2rem;
}

.sf-login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sf-login-brand {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.sf-login-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.15rem;
    color: var(--sf-text);
}

.sf-login-title {
    font-size: 1.65rem;
    margin-top: 0.25rem;
}

.sf-login-sub {
    font-size: 0.9rem;
    color: var(--sf-text-muted);
}

.sf-login-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.sf-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sf-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sf-login-remember {
    display: flex;
    align-items: center;
}

.sf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
    user-select: none;
}

.sf-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-primary);
    cursor: pointer;
    border-radius: 0px;
}

.sf-login-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--sf-text-light);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-login-divider::before, .sf-login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--sf-border);
}

.sf-login-divider:not(:empty)::before { margin-right: .75em; }
.sf-login-divider:not(:empty)::after { margin-left: .75em; }

.sf-login-signup {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-top: 0.5rem;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 560px;
    background-color: var(--sf-bg);
    padding: 2rem;
}

.sf-login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sf-login-brand {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.sf-login-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.15rem;
    color: var(--sf-text);
}

.sf-login-title {
    font-size: 1.65rem;
    margin-top: 0.25rem;
}

.sf-login-sub {
    font-size: 0.9rem;
    color: var(--sf-text-muted);
}

.sf-login-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.sf-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sf-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sf-login-remember {
    display: flex;
    align-items: center;
}

.sf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
    user-select: none;
}

.sf-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-primary);
    cursor: pointer;
    border-radius: 0px;
}

.sf-login-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--sf-text-light);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-login-divider::before, .sf-login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--sf-border);
}

.sf-login-divider:not(:empty)::before { margin-right: .75em; }
.sf-login-divider:not(:empty)::after { margin-left: .75em; }

.sf-login-signup {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-top: 0.5rem;
}

Shipping & Billing

HTML
<div class="sf-settings-panel">
    <div class="sf-settings-header">
        <div>
            <h3>Account Settings</h3>
            <p>Modify your shipping coordinates and premium security options.</p>
        </div>
        <div class="sf-settings-acts">
            <button class="sf-btn sf-btn-outline sf-btn-sm">Discard</button>
            <button class="sf-btn sf-btn-primary sf-btn-sm">Save Preferences</button>
        </div>
    </div>

    <div class="sf-settings-body">
        <section class="sf-settings-sec sf-card">
            <h4>Shipping Coordinates</h4>
            <p>Where your high-value capsule orders will be dispatched.</p>
            <hr class="sf-divider">
            <div class="sf-settings-grid">
                <div class="sf-form-group">
                    <label class="sf-label" for="shp-first">First Name</label>
                    <input type="text" id="shp-first" class="sf-input" value="Dominic">
                </div>
                <div class="sf-form-group">
                    <label class="sf-label" for="shp-last">Last Name</label>
                    <input type="text" id="shp-last" class="sf-input" value="Lowe">
                </div>
                <div class="sf-form-group" style="grid-column: span 2;">
                    <label class="sf-label" for="shp-addr">Street Address</label>
                    <input type="text" id="shp-addr" class="sf-input" value="18 Luxury Promenade Way, Suite 400">
                </div>
                <div class="sf-form-group">
                    <label class="sf-label" for="shp-city">City</label>
                    <input type="text" id="sf-city" class="sf-input" value="Beverly Hills">
                </div>
                <div class="sf-form-group">
                    <label class="sf-label" for="shp-zip">ZIP / Postal Code</label>
                    <input type="text" id="sf-zip" class="sf-input" value="90210">
                </div>
            </div>
            <div class="sf-form-inline">
                <label class="sf-checkbox-label">
                    <input type="checkbox" class="sf-checkbox" checked>
                    <span>Use as default shipping address</span>
                </label>
            </div>
        </section>

        <section class="sf-settings-sec sf-card">
            <h4>Security &amp; Encryption</h4>
            <p>Configure automated security keys for high-value orders.</p>
            <hr class="sf-divider">
            <div class="sf-toggle-list">
                <div class="sf-toggle-row">
                    <div>
                        <div class="sf-toggle-label">Insured Shipment Verification</div>
                        <div class="sf-toggle-desc">Require SMS authorization before precious metals are dispatched.</div>
                    </div>
                    <label class="sf-toggle"><input type="checkbox" checked><span class="sf-toggle-slider"></span></label>
                </div>
                <hr class="sf-divider">
                <div class="sf-toggle-row">
                    <div>
                        <div class="sf-toggle-label">Anonymous Collection Status</div>
                        <div class="sf-toggle-desc">Keep your high-end collections hidden from public digital registries.</div>
                    </div>
                    <label class="sf-toggle"><input type="checkbox"><span class="sf-toggle-slider"></span></label>
                </div>
            </div>
        </section>
    </div>
</div>
CSS (Component Only)
/* Component: Shipping & Billing */
/* NOTE: This component requires base.css to be included in your page. */

.sf-settings-panel {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.sf-settings-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.sf-settings-header h3 {
    font-size: 1.35rem;
    margin-bottom: 0.3rem;
}

.sf-settings-acts {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.sf-settings-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-settings-sec {
    padding: 2rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-settings-sec h4 {
    font-size: 1.15rem;
}

.sf-settings-sec > p {
    font-size: 0.88rem;
    margin-top: -0.75rem;
}

.sf-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.sf-form-inline {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.sf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
}

.sf-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-accent);
}

.sf-toggle-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.sf-toggle-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.sf-toggle-label {
    font-family: var(--sf-font-body);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sf-text);
    margin-bottom: 0.2rem;
}

.sf-toggle-desc {
    font-size: 0.83rem;
    color: var(--sf-text-muted);
    font-weight: 500;
    line-height: 1.5;
}

@media (max-width: 600px) {
    .sf-settings-grid { grid-template-columns: 1fr; }
    .sf-settings-grid > div { grid-column: span 1 !important; }
    .sf-settings-header { flex-direction: column; }
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-settings-panel {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.sf-settings-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.sf-settings-header h3 {
    font-size: 1.35rem;
    margin-bottom: 0.3rem;
}

.sf-settings-acts {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.sf-settings-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-settings-sec {
    padding: 2rem !important;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-settings-sec h4 {
    font-size: 1.15rem;
}

.sf-settings-sec > p {
    font-size: 0.88rem;
    margin-top: -0.75rem;
}

.sf-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.sf-form-inline {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.sf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--sf-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    cursor: pointer;
}

.sf-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--sf-accent);
}

.sf-toggle-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.sf-toggle-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.sf-toggle-label {
    font-family: var(--sf-font-body);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sf-text);
    margin-bottom: 0.2rem;
}

.sf-toggle-desc {
    font-size: 0.83rem;
    color: var(--sf-text-muted);
    font-weight: 500;
    line-height: 1.5;
}

@media (max-width: 600px) {
    .sf-settings-grid { grid-template-columns: 1fr; }
    .sf-settings-grid > div { grid-column: span 1 !important; }
    .sf-settings-header { flex-direction: column; }
}

Cards

Product Cards

HTML
<div class="sf-product-grid">
    <!-- Product 1 -->
    <div class="sf-product-card sf-card">
        <div class="sf-product-media">
            <span class="sf-badge sf-badge-sale sf-product-badge">SALE −20%</span>
            <div class="sf-product-placeholder">📐</div>
            <div class="sf-product-hover-actions">
                <button class="sf-product-action-btn" title="Add to Wishlist">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"/></svg>
                </button>
                <button class="sf-product-action-btn" title="Quick View">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
                </button>
            </div>
        </div>
        <div class="sf-product-details">
            <span class="sf-product-cat text-muted">Maison</span>
            <h4 class="sf-product-title">Oculus Brass LIGHT Object</h4>
            <div class="sf-stars">
                ⭐⭐⭐⭐⭐
                <span class="sf-stars-count">(48)</span>
            </div>
            <div class="sf-product-price-row">
                <div class="sf-price-box">
                    <span class="sf-price sf-price-sale">$245.00</span>
                    <span class="sf-price-original">$320.00</span>
                </div>
                <button class="sf-btn sf-btn-primary sf-btn-sm sf-btn-icon" title="Add to Bag">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
                </button>
            </div>
        </div>
    </div>

    <!-- Product 2 -->
    <div class="sf-product-card sf-card sf-product-soldout">
        <div class="sf-product-media">
            <span class="sf-badge sf-badge-default sf-product-badge">Out of Stock</span>
            <div class="sf-product-placeholder">💍</div>
        </div>
        <div class="sf-product-details">
            <span class="sf-product-cat text-muted">Joaillerie</span>
            <h4 class="sf-product-title">Infinity Gold Dome Ring</h4>
            <div class="sf-stars">
                ⭐⭐⭐⭐☆
                <span class="sf-stars-count">(19)</span>
            </div>
            <div class="sf-product-price-row">
                <div class="sf-price-box">
                    <span class="sf-price">$450.00</span>
                </div>
                <button class="sf-btn sf-btn-outline sf-btn-sm" disabled style="cursor:not-allowed;">Sold Out</button>
            </div>
        </div>
    </div>

    <!-- Product 3 -->
    <div class="sf-product-card sf-card">
        <div class="sf-product-media">
            <span class="sf-badge sf-badge-new sf-product-badge">New Edition</span>
            <div class="sf-product-placeholder">💎</div>
            <div class="sf-product-hover-actions">
                <button class="sf-product-action-btn" title="Add to Wishlist">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"/></svg>
                </button>
                <button class="sf-product-action-btn" title="Quick View">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
                </button>
            </div>
        </div>
        <div class="sf-product-details">
            <span class="sf-product-cat text-muted">Joaillerie</span>
            <h4 class="sf-product-title">Elysian Solitaire Diamond Ring</h4>
            <div class="sf-stars">
                ⭐⭐⭐⭐⭐
                <span class="sf-stars-count">(31)</span>
            </div>
            <div class="sf-product-price-row">
                <div class="sf-price-box">
                    <span class="sf-price">$1,850.00</span>
                </div>
                <button class="sf-btn sf-btn-primary sf-btn-sm sf-btn-icon" title="Add to Bag">
                    <svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
                </button>
            </div>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Product Cards */
/* NOTE: This component requires base.css to be included in your page. */

.sf-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sf-product-card {
    padding: 0 !important;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sf-product-media {
    height: 240px;
    background-color: var(--sf-surface-2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sf-product-placeholder {
    font-size: 5.5rem;
    filter: drop-shadow(0 8px 16px rgba(11,19,43,0.04));
    transition: var(--sf-transition);
}

.sf-product-card:hover .sf-product-placeholder {
    transform: scale(1.06) rotate(2deg);
}

.sf-product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
}

.sf-product-hover-actions {
    position: absolute;
    inset: 0;
    background-color: rgba(11,19,43,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--sf-transition);
}

.sf-product-card:hover .sf-product-hover-actions {
    opacity: 1;
    pointer-events: auto;
}

.sf-product-action-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--sf-border);
    background-color: var(--sf-surface);
    color: var(--sf-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--sf-transition);
    box-shadow: var(--sf-shadow-sm);
    border-radius: var(--sf-radius-sm);
}

.sf-product-action-btn:hover {
    background-color: var(--sf-accent);
    color: #fff;
    transform: translateY(-2px) rotate(4deg);
    border-color: var(--sf-accent);
}

.sf-product-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
}

.sf-product-cat {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-product-title {
    font-size: 1.15rem;
    color: var(--sf-text);
    line-height: 1.35;
    height: 2.7em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sf-product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    border-top: 1px solid var(--sf-border);
    padding-top: 1rem;
}

.sf-price-box {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

/* Soldout State */
.sf-product-soldout .sf-product-placeholder {
    opacity: 0.4;
}

.sf-product-soldout .sf-product-details {
    opacity: 0.75;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sf-product-card {
    padding: 0 !important;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sf-product-media {
    height: 240px;
    background-color: var(--sf-surface-2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sf-product-placeholder {
    font-size: 5.5rem;
    filter: drop-shadow(0 8px 16px rgba(11,19,43,0.04));
    transition: var(--sf-transition);
}

.sf-product-card:hover .sf-product-placeholder {
    transform: scale(1.06) rotate(2deg);
}

.sf-product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
}

.sf-product-hover-actions {
    position: absolute;
    inset: 0;
    background-color: rgba(11,19,43,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--sf-transition);
}

.sf-product-card:hover .sf-product-hover-actions {
    opacity: 1;
    pointer-events: auto;
}

.sf-product-action-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--sf-border);
    background-color: var(--sf-surface);
    color: var(--sf-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--sf-transition);
    box-shadow: var(--sf-shadow-sm);
    border-radius: var(--sf-radius-sm);
}

.sf-product-action-btn:hover {
    background-color: var(--sf-accent);
    color: #fff;
    transform: translateY(-2px) rotate(4deg);
    border-color: var(--sf-accent);
}

.sf-product-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
}

.sf-product-cat {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-product-title {
    font-size: 1.15rem;
    color: var(--sf-text);
    line-height: 1.35;
    height: 2.7em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sf-product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    border-top: 1px solid var(--sf-border);
    padding-top: 1rem;
}

.sf-price-box {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

/* Soldout State */
.sf-product-soldout .sf-product-placeholder {
    opacity: 0.4;
}

.sf-product-soldout .sf-product-details {
    opacity: 0.75;
}

Store Metrics

HTML
<div class="sf-stats-grid">
    <!-- Stat 1 -->
    <div class="sf-stat-card sf-card">
        <div class="sf-stat-head">
            <div class="sf-stat-ico" style="background:var(--sf-primary-muted); color:var(--sf-primary);">
                💎
            </div>
            <span class="sf-badge sf-badge-success">▲ 24.8%</span>
        </div>
        <div class="sf-stat-val">$84,920</div>
        <div class="sf-stat-lbl">Capsule Sales</div>
        <div class="sf-stat-bar-wrap">
            <div class="sf-stat-bar" style="width:85%; background:var(--sf-primary);"></div>
        </div>
    </div>

    <!-- Stat 2 -->
    <div class="sf-stat-card sf-card">
        <div class="sf-stat-head">
            <div class="sf-stat-ico" style="background:var(--sf-success-muted); color:var(--sf-success);">
                ✓
            </div>
            <span class="sf-badge sf-badge-success">▲ 1.4%</span>
        </div>
        <div class="sf-stat-val">99.1%</div>
        <div class="sf-stat-lbl">Archival Delivery Aura</div>
        <div class="sf-stat-bar-wrap">
            <div class="sf-stat-bar" style="width:99.1%; background:var(--sf-accent);"></div>
        </div>
    </div>

    <!-- Stat 3 -->
    <div class="sf-stat-card sf-card">
        <div class="sf-stat-head">
            <div class="sf-stat-ico" style="background:var(--sf-accent-muted); color:var(--sf-accent);">
                📦
            </div>
            <span class="sf-badge sf-badge-default">Insured</span>
        </div>
        <div class="sf-stat-val">$482.00</div>
        <div class="sf-stat-lbl">Average Archival Basket</div>
        <div class="sf-stat-bar-wrap">
            <div class="sf-stat-bar" style="width:68%; background:var(--sf-accent);"></div>
        </div>
    </div>

    <!-- Stat 4 -->
    <div class="sf-stat-card sf-card">
        <div class="sf-stat-head">
            <div class="sf-stat-ico" style="background:var(--sf-danger-muted); color:var(--sf-danger);">
                ⚠️
            </div>
            <span class="sf-badge sf-badge-danger">▼ 0.4%</span>
        </div>
        <div class="sf-stat-val">2</div>
        <div class="sf-stat-lbl">Transit Anomalies</div>
        <div class="sf-stat-bar-wrap">
            <div class="sf-stat-bar" style="width:8%; background:var(--sf-danger);"></div>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Store Metrics */
/* NOTE: This component requires base.css to be included in your page. */

.sf-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sf-stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1.5rem !important;
}

.sf-stat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.15rem;
}

.sf-stat-ico {
    width: 36px;
    height: 36px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.sf-stat-val {
    font-family: var(--sf-font-body);
    font-size: 2rem;
    font-weight: 700;
    color: var(--sf-text);
    letter-spacing: -0.02em;
    line-height: 1;
}

.sf-stat-lbl {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-text-light);
}

.sf-stat-bar-wrap {
    height: 4px;
    background-color: var(--sf-border);
    border-radius: 0px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.sf-stat-bar {
    height: 100%;
    transition: width 0.6s ease;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.sf-stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1.5rem !important;
}

.sf-stat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.15rem;
}

.sf-stat-ico {
    width: 36px;
    height: 36px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.sf-stat-val {
    font-family: var(--sf-font-body);
    font-size: 2rem;
    font-weight: 700;
    color: var(--sf-text);
    letter-spacing: -0.02em;
    line-height: 1;
}

.sf-stat-lbl {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-text-light);
}

.sf-stat-bar-wrap {
    height: 4px;
    background-color: var(--sf-border);
    border-radius: 0px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.sf-stat-bar {
    height: 100%;
    transition: width 0.6s ease;
}

Tables

Order History Table

HTML
<div class="sf-table-wrap sf-card">
    <div class="sf-table-toolbar">
        <div class="sf-table-toolbar-left">
            <h4>Collector History</h4>
            <span class="sf-badge sf-badge-default">8 Orders Authenticated</span>
        </div>
        <div class="sf-table-toolbar-right">
            <div class="sf-search-wrap">
                <svg class="sf-search-ico" viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2" fill="none"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
                <input type="text" class="sf-input sf-search-input" placeholder="Find order…">
            </div>
            <select class="sf-select" style="width:auto;">
                <option>All Dispatches</option>
                <option>Dispatched</option>
                <option>Processing</option>
                <option>Authenticated</option>
            </select>
        </div>
    </div>

    <div class="sf-table-scroll">
        <table class="sf-data-table">
            <thead>
                <tr>
                    <th>Order ID</th>
                    <th>Date Registered</th>
                    <th>Product Details</th>
                    <th>Qty</th>
                    <th>Total Value</th>
                    <th>Allocation</th>
                    <th>Actions</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td class="sf-td-mono" style="font-weight:700;">#SF-4820</td>
                    <td class="sf-td-mono text-muted">18 May 2026</td>
                    <td>
                        <div class="sf-prod-cell">
                            <span class="sf-prod-thumb">📐</span>
                            <div>
                                <span class="sf-prod-name">Oculus Brass LIGHT Object</span>
                                <span class="sf-prod-meta text-muted">Capsule: Modern Maison</span>
                            </div>
                        </div>
                    </td>
                    <td class="sf-td-mono">1</td>
                    <td class="sf-td-mono" style="font-weight:800;">$245.00</td>
                    <td><span class="sf-badge sf-badge-success">Dispatched</span></td>
                    <td>
                        <button class="sf-btn sf-btn-outline sf-btn-sm">
                            <svg viewBox="0 0 24 24" width="12" height="12" stroke="currentColor" stroke-width="2.5" fill="none" style="margin-right:0.2rem;"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
                            Invoice
                        </button>
                    </td>
                </tr>
                <tr>
                    <td class="sf-td-mono" style="font-weight:700;">#SF-4819</td>
                    <td class="sf-td-mono text-muted">15 May 2026</td>
                    <td>
                        <div class="sf-prod-cell">
                            <span class="sf-prod-thumb">💎</span>
                            <div>
                                <span class="sf-prod-name">Elysian Solitaire Diamond Ring</span>
                                <span class="sf-prod-meta text-muted">Capsule: Haute Joaillerie</span>
                            </div>
                        </div>
                    </td>
                    <td class="sf-td-mono">1</td>
                    <td class="sf-td-mono" style="font-weight:800;">$1,850.00</td>
                    <td><span class="sf-badge sf-badge-sale">Processing</span></td>
                    <td>
                        <button class="sf-btn sf-btn-outline sf-btn-sm">Track Courier</button>
                    </td>
                </tr>
                <tr>
                    <td class="sf-td-mono" style="font-weight:700;">#SF-4808</td>
                    <td class="sf-td-mono text-muted">12 May 2026</td>
                    <td>
                        <div class="sf-prod-cell">
                            <span class="sf-prod-thumb">💍</span>
                            <div>
                                <span class="sf-prod-name">Infinity Gold Dome Ring</span>
                                <span class="sf-prod-meta text-muted">Capsule: Haute Joaillerie</span>
                            </div>
                        </div>
                    </td>
                    <td class="sf-td-mono">2</td>
                    <td class="sf-td-mono" style="font-weight:800;">$900.00</td>
                    <td><span class="sf-badge sf-badge-default">Authenticated</span></td>
                    <td>
                        <button class="sf-btn sf-btn-ghost sf-btn-sm text-danger">Revoke</button>
                    </td>
                </tr>
            </tbody>
        </table>
    </div>

    <div class="sf-table-pagination">
        <span class="text-muted" style="font-size:0.85rem;">Showing 1–3 of 8 coordinates</span>
        <div class="sf-pagination-btns">
            <button class="sf-btn sf-btn-outline sf-btn-sm" disabled style="opacity:.45;">← Prev</button>
            <button class="sf-btn sf-btn-primary sf-btn-sm">1</button>
            <button class="sf-btn sf-btn-outline sf-btn-sm">2</button>
            <button class="sf-btn sf-btn-outline sf-btn-sm">Next →</button>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Order History Table */
/* NOTE: This component requires base.css to be included in your page. */

.sf-table-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 !important;
    overflow: hidden;
}

.sf-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sf-border);
    flex-wrap: wrap;
}

.sf-table-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-table-toolbar-left h4 {
    font-size: 1.15rem;
}

.sf-table-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sf-search-wrap {
    position: relative;
}

.sf-search-ico {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sf-text-light);
    pointer-events: none;
}

.sf-search-input {
    padding-left: 2.25rem;
    width: 190px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.sf-table-scroll {
    overflow-x: auto;
}

.sf-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.sf-data-table thead tr {
    background-color: var(--sf-surface-2);
    border-bottom: 1px solid var(--sf-border);
}

.sf-data-table th {
    padding: 0.75rem 1rem;
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-text-light);
    text-align: left;
    white-space: nowrap;
}

.sf-data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--sf-border);
    color: var(--sf-text);
    font-weight: 600;
    vertical-align: middle;
}

.sf-data-table tbody tr:last-child td {
    border-bottom: none;
}

.sf-data-table tbody tr:hover td {
    background-color: var(--sf-surface-2);
}

.sf-td-mono {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
}

.sf-prod-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-prod-thumb {
    width: 38px;
    height: 38px;
    background-color: var(--sf-surface-2);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sf-prod-name {
    display: block;
    font-family: var(--sf-font-body);
    font-weight: 700;
    color: var(--sf-text);
}

.sf-prod-meta {
    font-size: 0.75rem;
    font-weight: 500;
}

.sf-table-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--sf-border);
    gap: 1rem;
    flex-wrap: wrap;
}

.sf-pagination-btns {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-table-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 !important;
    overflow: hidden;
}

.sf-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sf-border);
    flex-wrap: wrap;
}

.sf-table-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-table-toolbar-left h4 {
    font-size: 1.15rem;
}

.sf-table-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sf-search-wrap {
    position: relative;
}

.sf-search-ico {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sf-text-light);
    pointer-events: none;
}

.sf-search-input {
    padding-left: 2.25rem;
    width: 190px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.sf-table-scroll {
    overflow-x: auto;
}

.sf-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.sf-data-table thead tr {
    background-color: var(--sf-surface-2);
    border-bottom: 1px solid var(--sf-border);
}

.sf-data-table th {
    padding: 0.75rem 1rem;
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-text-light);
    text-align: left;
    white-space: nowrap;
}

.sf-data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--sf-border);
    color: var(--sf-text);
    font-weight: 600;
    vertical-align: middle;
}

.sf-data-table tbody tr:last-child td {
    border-bottom: none;
}

.sf-data-table tbody tr:hover td {
    background-color: var(--sf-surface-2);
}

.sf-td-mono {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
}

.sf-prod-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sf-prod-thumb {
    width: 38px;
    height: 38px;
    background-color: var(--sf-surface-2);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sf-prod-name {
    display: block;
    font-family: var(--sf-font-body);
    font-weight: 700;
    color: var(--sf-text);
}

.sf-prod-meta {
    font-size: 0.75rem;
    font-weight: 500;
}

.sf-table-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--sf-border);
    gap: 1rem;
    flex-wrap: wrap;
}

.sf-pagination-btns {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

Lists

Order Status Feed

HTML
<div class="sf-activity-card sf-card">
    <div class="sf-activity-head">
        <h4>Archival Dispatch Milestones</h4>
        <span class="sf-badge sf-badge-success">Batch #SF-4820</span>
    </div>

    <div class="sf-activity-list">
        <!-- Milestone 1 -->
        <div class="sf-activity-item active">
            <div class="sf-act-ico" style="background:var(--sf-primary-muted); color:var(--sf-primary);">
                📦
            </div>
            <div class="sf-act-content">
                <div class="sf-act-top">
                    <span class="sf-act-label">Dispatched via Premium Insured Ground</span>
                    <span class="sf-act-time">Today, 02:40 pm</span>
                </div>
                <span class="sf-act-meta">Tracking coordinates: <a href="#" class="sf-link-sm">1Z999AA10123456784</a>. Estimated arrival: Friday, 22 May.</span>
            </div>
        </div>

        <div class="sf-activity-line"></div>

        <!-- Milestone 2 -->
        <div class="sf-activity-item">
            <div class="sf-act-ico" style="background:var(--sf-success-muted); color:var(--sf-success);">
                ✓
            </div>
            <div class="sf-act-content">
                <div class="sf-act-top">
                    <span class="sf-act-label">Quality Hand-finish Authenticated</span>
                    <span class="sf-act-time">15 May, 10:15 am</span>
                </div>
                <span class="sf-act-meta">Verified at our Milan workshop. Brushed finish and balance checked. Passed Cone verification.</span>
            </div>
        </div>

        <div class="sf-activity-line"></div>

        <!-- Milestone 3 -->
        <div class="sf-activity-item">
            <div class="sf-act-ico" style="background:var(--sf-surface-2); color:var(--sf-text-light);">
                📐
            </div>
            <div class="sf-act-content">
                <div class="sf-act-top">
                    <span class="sf-act-label">Precision Molding Complete</span>
                    <span class="sf-act-time">14 May, 08:30 am</span>
                </div>
                <span class="sf-act-meta">Solid golden brass centered, hand-sculpted, and brushed. Allocated to capsule edition batch.</span>
            </div>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Order Status Feed */
/* NOTE: This component requires base.css to be included in your page. */

.sf-activity-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 !important;
    overflow: hidden;
}

.sf-activity-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sf-border);
}

.sf-activity-head h4 {
    font-size: 1.15rem;
}

.sf-activity-list {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    position: relative;
}

.sf-activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    z-index: 2;
    padding-bottom: 1.5rem;
}

.sf-activity-item:last-of-type {
    padding-bottom: 0;
}

.sf-activity-item:not(:last-of-type)::after {
    content: '';
    position: absolute;
    top: 32px; /* Bottom of 32px icon */
    left: 15px; /* Center of 32px icon */
    bottom: 0;
    width: 1px;
    background-color: var(--sf-border);
    z-index: 1;
}


.sf-act-ico {
    width: 32px;
    height: 32px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
    border: 1px solid var(--sf-border);
}

.sf-act-content {
    flex: 1;
    min-width: 0;
}

.sf-act-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.sf-act-label {
    font-family: var(--sf-font-body);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-act-time {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-light);
    white-space: nowrap;
}

.sf-act-meta {
    font-size: 0.8rem;
    color: var(--sf-text-muted);
    font-weight: 500;
    line-height: 1.5;
    display: block;
}

/* Timeline Vertical Line */
.sf-activity-line {
    display: none;
}


.sf-activity-item.active .sf-act-ico {
    outline: 3px solid var(--sf-primary-muted);
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-activity-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 !important;
    overflow: hidden;
}

.sf-activity-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sf-border);
}

.sf-activity-head h4 {
    font-size: 1.15rem;
}

.sf-activity-list {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    position: relative;
}

.sf-activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    z-index: 2;
    padding-bottom: 1.5rem;
}

.sf-activity-item:last-of-type {
    padding-bottom: 0;
}

.sf-activity-item:not(:last-of-type)::after {
    content: '';
    position: absolute;
    top: 32px; /* Bottom of 32px icon */
    left: 15px; /* Center of 32px icon */
    bottom: 0;
    width: 1px;
    background-color: var(--sf-border);
    z-index: 1;
}


.sf-act-ico {
    width: 32px;
    height: 32px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
    border: 1px solid var(--sf-border);
}

.sf-act-content {
    flex: 1;
    min-width: 0;
}

.sf-act-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.sf-act-label {
    font-family: var(--sf-font-body);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-act-time {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-light);
    white-space: nowrap;
}

.sf-act-meta {
    font-size: 0.8rem;
    color: var(--sf-text-muted);
    font-weight: 500;
    line-height: 1.5;
    display: block;
}

/* Timeline Vertical Line */
.sf-activity-line {
    display: none;
}


.sf-activity-item.active .sf-act-ico {
    outline: 3px solid var(--sf-primary-muted);
}

Modals

Cart Confirm Dialog

HTML
<div class="sf-modal-backdrop">
    <div class="sf-modal sf-card">
        <div class="sf-modal-head">
            <div class="sf-modal-title-row">
                <div class="sf-modal-ico" style="background:var(--sf-success-muted); color:var(--sf-primary);">
                    📐
                </div>
                <div>
                    <h4>Allocation Confirmed</h4>
                    <p class="sf-modal-meta">Piece reserved from current capsule edition.</p>
                </div>
            </div>
            <button class="sf-btn sf-btn-ghost sf-btn-icon" aria-label="Close">
                <svg viewBox="0 0 24 24" width="15" height="15" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
            </button>
        </div>

        <div class="sf-modal-body">
            <div class="sf-cart-summary">
                <div class="sf-cart-prod-row">
                    <span class="sf-cart-prod-thumb">📐</span>
                    <div class="sf-cart-prod-info">
                        <strong>Oculus Brass LIGHT Object</strong>
                        <p class="text-muted" style="font-size:0.78rem; margin-top:0.1rem;">Qty: 1 &nbsp;·&nbsp; Silhouette: Modern Maison</p>
                    </div>
                    <span class="sf-price sf-price-sale" style="font-size:1.05rem;">$245.00</span>
                </div>
                
                <hr class="sf-divider">
                
                <div class="sf-cart-totals">
                    <div class="sf-total-row">
                        <span class="text-muted">Total Capsule Investment (1 item)</span>
                        <span style="font-weight:700;">$245.00</span>
                    </div>
                    <div class="sf-total-row" style="color:var(--sf-accent);">
                        <span>Insured Freight Packaging</span>
                        <span style="font-weight:700;">FREE</span>
                    </div>
                </div>
            </div>

            <!-- Eco warning/trust inside modal -->
            <div class="sf-modal-trust-alert">
                <span>📐 Limited capsule items are prone to sellout. Secure allocations now.</span>
            </div>
        </div>

        <div class="sf-modal-foot">
            <button class="sf-btn sf-btn-outline">Add More</button>
            <button class="sf-btn sf-btn-primary">Verify Reserve</button>
        </div>
    </div>
</div>
CSS (Component Only)
/* Component: Cart Confirm Dialog */
/* NOTE: This component requires base.css to be included in your page. */

.sf-modal-backdrop {
    background-color: rgba(11,19,43,0.3);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.sf-modal {
    width: 100%;
    max-width: 480px;
    padding: 0 !important;
    overflow: hidden;
}

.sf-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--sf-border);
}

.sf-modal-title-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.sf-modal-ico {
    width: 40px;
    height: 40px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.15rem;
}

.sf-modal-head h4 {
    font-size: 1.15rem;
    margin-bottom: 0.15rem;
}

.sf-modal-meta {
    font-size: 0.8rem;
    font-weight: 600;
}

.sf-modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-cart-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--sf-surface-2);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    padding: 1.25rem;
}

.sf-cart-prod-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.sf-cart-prod-thumb {
    width: 42px;
    height: 42px;
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.sf-cart-prod-info {
    flex: 1;
    min-width: 0;
}

.sf-cart-prod-info strong {
    font-family: var(--sf-font-body);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-cart-totals {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sf-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.sf-modal-trust-alert {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--sf-accent-muted);
    color: #854D0E;
    border: 1px solid rgba(197,160,40,0.15);
    border-radius: var(--sf-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.4;
}

.sf-modal-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--sf-border);
    background-color: var(--sf-surface-2);
}
Combined CSS (Includes Base)
/* 
   COMBINED CSS
   Includes base resets/variables + component styles.
   Use this if you haven't included base.css elsewhere.
*/

/* --- BASE STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Tenor+Sans&display=swap');

/* ===========================
   Storefront Design System
   =========================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Surfaces */
    --sf-bg:            #FAFAFA;
    --sf-surface:       #FFFFFF;
    --sf-surface-2:     #F8F9FA;
    --sf-surface-dark:  #0B132B;

    /* Brand Palette */
    --sf-primary:       #0B132B;
    --sf-primary-hover: #1C2541;
    --sf-primary-muted: #E2E8F0;
    --sf-accent:        #C5A028;
    --sf-accent-hover:  #A4821A;
    --sf-accent-muted:  #FCF8E3;
    --sf-success:       #0F766E;
    --sf-success-muted: #CCFBF1;
    --sf-danger:        #991B1B;
    --sf-danger-muted:  #FEE2E2;
    --sf-gold:          #C5A028;
    --sf-gold-muted:    #FCF8E3;

    /* Text */
    --sf-text:          #0B132B;
    --sf-text-muted:    #475569;
    --sf-text-light:    #94A3B8;

    /* Borders */
    --sf-border:        #E2E8F0;
    --sf-border-strong: #CBD5E1;

    /* Geometric Radius Shapes */
    --sf-radius-sm:     0px;
    --sf-radius:        0px;
    --sf-radius-lg:     0px;
    --sf-radius-pill:   0px;

    /* Fonts */
    --sf-font-heading:  'Tenor Sans', sans-serif;
    --sf-font-body:     'Montserrat', sans-serif;

    /* Shadows */
    --sf-shadow-sm:     0 2px 10px rgba(11,19,43,0.01);
    --sf-shadow:        0 8px 30px rgba(11,19,43,0.03);
    --sf-shadow-lg:     0 20px 50px rgba(11,19,43,0.05);

    /* Transition */
    --sf-transition:    all 0.2s ease;
}

body {
    margin: 0;
    font-family: var(--sf-font-body);
    color: var(--sf-text);
    background-color: var(--sf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ── Card ─────────────────────── */
.sf-card {
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-sm);
    padding: 2rem;
    transition: var(--sf-transition);
}

.sf-card:hover {
    box-shadow: var(--sf-shadow);
    border-color: var(--sf-border-strong);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-heading);
    font-weight: 400;
    margin: 0;
    color: var(--sf-text);
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

p { font-family: var(--sf-font-body); color: var(--sf-text-muted); margin: 0; line-height: 1.6; }

/* ── Buttons ──────────────────── */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--sf-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sf-transition);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sf-btn-primary { background-color: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-btn-primary:hover { background-color: var(--sf-primary-hover); border-color: var(--sf-primary-hover); }

.sf-btn-accent { background-color: var(--sf-accent); color: #sf-bg; border-color: var(--sf-accent); color: #fff; }
.sf-btn-accent:hover { background-color: var(--sf-accent-hover); border-color: var(--sf-accent-hover); }

.sf-btn-outline { background-color: transparent; color: var(--sf-text); border-color: var(--sf-text); }
.sf-btn-outline:hover { background-color: var(--sf-surface-2); }

.sf-btn-ghost { background-color: transparent; color: var(--sf-text-muted); border-color: transparent; }
.sf-btn-ghost:hover { background-color: var(--sf-surface-2); color: var(--sf-text); }

.sf-btn-sm { padding: 0.5rem 1.25rem; font-size: 0.7rem; }
.sf-btn-lg { padding: 1rem 2.25rem; font-size: 0.85rem; }
.sf-btn-block { width: 100%; }
.sf-btn-icon { width: 44px; height: 44px; padding: 0; }

/* ── Form Controls ────────────── */
.sf-input {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    outline: none;
    transition: var(--sf-transition);
}

.sf-input::placeholder { color: var(--sf-text-light); }

.sf-input:focus { border-color: var(--sf-primary); background-color: #FAFAFA; }

.sf-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--sf-font-body);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sf-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-select {
    width: 100%;
    padding: 0.75rem 2rem 0.75rem 1.1rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text);
    background-color: var(--sf-surface);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-select:focus { border-color: var(--sf-primary); }

/* ── Badges ───────────────────── */
.sf-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--sf-radius-sm);
    font-family: var(--sf-font-body);
    font-size: 0.65rem;
    font-weight: 700;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
}

.sf-badge-sale    { background-color: var(--sf-accent-muted);  color: var(--sf-accent); border-color: var(--sf-accent); }
.sf-badge-new     { background-color: var(--sf-primary-muted); color: var(--sf-primary); border-color: var(--sf-primary); }
.sf-badge-success { background-color: var(--sf-success-muted); color: var(--sf-success); border-color: var(--sf-success); }
.sf-badge-danger  { background-color: var(--sf-danger-muted);  color: var(--sf-danger); border-color: var(--sf-danger); }
.sf-badge-default { background-color: var(--sf-surface-2); color: var(--sf-text-muted); border-color: var(--sf-border); }

/* ── Star Rating ──────────────── */
.sf-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--sf-accent);
    font-size: 0.75rem;
}

.sf-stars-count {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-left: 0.35rem;
}

/* ── Price Display ────────────── */
.sf-price {
    font-family: var(--sf-font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-price-original {
    font-family: var(--sf-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sf-text-light);
    text-decoration: line-through;
}

.sf-price-sale { color: var(--sf-accent); }

/* ── Toggle Slider ────────────── */
.sf-toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.sf-toggle input { opacity: 0; width: 0; height: 0; }
.sf-toggle-slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--sf-border-strong); border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle-slider::before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; border-radius: 0px; transition: var(--sf-transition); }
.sf-toggle input:checked + .sf-toggle-slider { background-color: var(--sf-accent); }
.sf-toggle input:checked + .sf-toggle-slider::before { transform: translateX(20px); }

/* ── Divider ──────────────────── */
.sf-divider { border: none; border-top: 1px solid var(--sf-border); margin: 0; }

/* ── Logo ─────────────────────── */
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-family: var(--sf-font-heading);
    font-size: 1.35rem;
    color: var(--sf-text);
    font-weight: 400;
    letter-spacing: 0.1em;
}

.sf-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--sf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 0px;
}

/* ── Utilities ────────────────── */
.text-primary { color: var(--sf-primary) !important; }
.text-accent  { color: var(--sf-accent)  !important; }
.text-success { color: var(--sf-success) !important; }
.text-danger  { color: var(--sf-danger)  !important; }
.text-muted   { color: var(--sf-text-muted) !important; }
.text-light   { color: var(--sf-text-light) !important; }

.sf-link-sm {
    font-family: var(--sf-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    transition: var(--sf-transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-link-sm:hover {
    color: var(--sf-primary-hover);
}


/* --- COMPONENT STYLES --- */
.sf-modal-backdrop {
    background-color: rgba(11,19,43,0.3);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.sf-modal {
    width: 100%;
    max-width: 480px;
    padding: 0 !important;
    overflow: hidden;
}

.sf-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--sf-border);
}

.sf-modal-title-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.sf-modal-ico {
    width: 40px;
    height: 40px;
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.15rem;
}

.sf-modal-head h4 {
    font-size: 1.15rem;
    margin-bottom: 0.15rem;
}

.sf-modal-meta {
    font-size: 0.8rem;
    font-weight: 600;
}

.sf-modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sf-cart-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--sf-surface-2);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    padding: 1.25rem;
}

.sf-cart-prod-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.sf-cart-prod-thumb {
    width: 42px;
    height: 42px;
    background-color: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.sf-cart-prod-info {
    flex: 1;
    min-width: 0;
}

.sf-cart-prod-info strong {
    font-family: var(--sf-font-body);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--sf-text);
}

.sf-cart-totals {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sf-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.sf-modal-trust-alert {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--sf-accent-muted);
    color: #854D0E;
    border: 1px solid rgba(197,160,40,0.15);
    border-radius: var(--sf-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.4;
}

.sf-modal-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--sf-border);
    background-color: var(--sf-surface-2);
}

Footers