@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500;600&display=swap');

/* =========================================
   Documentation Design System (doc-)
   ========================================= */

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

:root {
    /* Surfaces */
    --doc-bg:            #FAFAFC; /* Paper White */
    --doc-surface:       #FFFFFF; /* Pure White */
    --doc-surface-2:     #F3F4F6; /* Muted Ice */
    --doc-code-bg:       #0F172A; /* Slate Blue code bg */

    /* Brand Palette */
    --doc-primary:       #6366F1; /* Dev Indigo */
    --doc-primary-hover: #4F46E5;
    --doc-primary-muted: rgba(99, 102, 241, 0.08);
    --doc-accent:        #10B981; /* Emerald/Active Accents */
    --doc-accent-hover:  #059669;
    --doc-accent-muted:  rgba(16, 185, 129, 0.08);
    --doc-danger:        #EF4444;
    --doc-danger-muted:  rgba(239, 68, 68, 0.08);

    /* Text */
    --doc-text:          #111827; /* Charcoal black */
    --doc-text-muted:    #4B5563; /* Slate grey */
    --doc-text-light:    #9CA3AF;

    /* Borders */
    --doc-border:        #E5E7EB; /* Clean light border */
    --doc-border-strong: #D1D5DB;
    --doc-border-glow:   rgba(99, 102, 241, 0.25);

    /* Geometric Rounded Shapes */
    --doc-radius-sm:     4px;
    --doc-radius:        8px;
    --doc-radius-lg:     12px;
    --doc-radius-pill:   999px;

    /* Fonts */
    --doc-font-heading:  'Outfit', sans-serif;
    --doc-font-body:     'Inter', sans-serif;
    --doc-font-code:     'Fira Code', monospace;

    /* Shadows */
    --doc-shadow-sm:     0 2px 8px rgba(0,0,0,0.03);
    --doc-shadow:        0 8px 30px rgba(0,0,0,0.05);
    --doc-shadow-glow:   0 0 20px rgba(99, 102, 241, 0.08);

    /* Transition */
    --doc-transition:    all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Card ─────────────────────── */
.doc-card {
    background-color: var(--doc-surface);
    border: 1px solid var(--doc-border);
    border-radius: var(--doc-radius-lg);
    box-shadow: var(--doc-shadow);
    padding: 2.25rem;
    transition: var(--doc-transition);
}

.doc-card:hover {
    border-color: var(--doc-border-strong);
    box-shadow: 0 10px 35px rgba(0,0,0,0.06);
}

/* ── Typography ───────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--doc-font-heading);
    font-weight: 700;
    margin: 0;
    color: var(--doc-text);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

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

/* ── Buttons ──────────────────── */
.doc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    font-family: var(--doc-font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--doc-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--doc-transition);
    white-space: nowrap;
    user-select: none;
}

.doc-btn-primary { 
    background-color: var(--doc-primary); 
    color: #fff; 
    border-color: var(--doc-primary); 
}
.doc-btn-primary:hover { 
    background-color: var(--doc-primary-hover); 
    border-color: var(--doc-primary-hover); 
    transform: translateY(-1px);
}

.doc-btn-accent { 
    background-color: var(--doc-accent); 
    color: #fff; 
    border-color: var(--doc-accent); 
}
.doc-btn-accent:hover { 
    background-color: var(--doc-accent-hover); 
    border-color: var(--doc-accent-hover); 
    transform: translateY(-1px);
}

.doc-btn-outline { 
    background-color: var(--doc-surface); 
    color: var(--doc-text-muted); 
    border-color: var(--doc-border); 
}
.doc-btn-outline:hover { 
    background-color: var(--doc-surface-2); 
    border-color: var(--doc-border-strong);
    color: var(--doc-text);
}

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

.doc-btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.doc-btn-lg { padding: 0.9rem 1.8rem; font-size: 0.95rem; }
.doc-btn-block { width: 100%; }
.doc-btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--doc-radius); }

/* ── Form Controls ────────────── */
.doc-input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--doc-border);
    border-radius: var(--doc-radius);
    font-family: var(--doc-font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--doc-text);
    background-color: var(--doc-surface);
    outline: none;
    transition: var(--doc-transition);
}

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

.doc-input:focus { 
    border-color: var(--doc-primary); 
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.doc-label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--doc-font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--doc-text-muted);
}

/* Custom select */
.doc-select {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--doc-border);
    border-radius: var(--doc-radius);
    font-family: var(--doc-font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--doc-text);
    background-color: var(--doc-surface);
    outline: none;
    transition: var(--doc-transition);
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%234B5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    cursor: pointer;
}

.doc-select:focus {
    border-color: var(--doc-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* ── Badges ───────────────────── */
.doc-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--doc-radius-sm);
    font-family: var(--doc-font-code);
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid transparent;
}

.doc-badge-primary { background-color: var(--doc-primary-muted); color: var(--doc-primary); border-color: rgba(99, 102, 241, 0.2); }
.doc-badge-accent  { background-color: var(--doc-accent-muted);  color: var(--doc-accent);        border-color: rgba(16, 185, 129, 0.2); }
.doc-badge-danger  { background-color: var(--doc-danger-muted);  color: var(--doc-danger);        border-color: rgba(239, 68, 68, 0.2); }
.doc-badge-default { background-color: var(--doc-surface-2);      color: var(--doc-text-muted);    border-color: var(--doc-border); }

/* ── Code Blocks ──────────────── */
.doc-code-block {
    background-color: var(--doc-code-bg);
    color: #F8FAFC;
    font-family: var(--doc-font-code);
    font-size: 0.85rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--doc-radius-lg);
    border: 1px solid #1E293B;
    overflow-x: auto;
    margin: 0;
    position: relative;
}

.doc-code-copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    padding: 0.35rem;
    border-radius: var(--doc-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--doc-transition);
}

.doc-code-copy-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.doc-code-copy-btn svg { width: 14px; height: 14px; }

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

/* ── Logo ─────────────────────── */
.doc-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--doc-font-heading);
    font-size: 1.35rem;
    color: var(--doc-text);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.doc-logo-icon {
    width: 28px;
    height: 28px;
    background-color: var(--doc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 800;
    border-radius: var(--doc-radius-sm);
}

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