Expandable Row Table - Free UI Component

Header Background #ffffff

Header Text Color #1e293b

Row Background #ffffff

Row Hover Fill #f8fafc

Expanded Details Bg #f1f5f9

Text Color #475569

Border Color #e2e8f0

Vertical Padding (rem) 1

Container Width 1000px

Expandable Row Table

An interactive accordion-style table where clicking a row reveals an expanded sub-panel with extended details.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Expandable Row Table</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap" rel="stylesheet">
    <style>
        /* -- Variables ------------------------------------------------- */
        :root {
            --header-bg: {{headerBgColor}};
            --header-text: {{headerTextColor}};
            --row-bg: {{rowBgColor}};
            --row-hover: {{rowHoverBg}};
            --exp-bg: {{expandedBgColor}};
            --text-color: {{textColor}};
            --border-color: {{borderColor}};
            --v-pad: {{vPadding}}rem;
            --table-w: {{tableWidth}};
        }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
            font-family: 'Inter', sans-serif;
            background-color: #e2e8f0;
            color: var(--text-color);
            padding: 4rem 1.5rem;
            display: flex;
            align-items: center;
            flex-direction: column;
        }

/* Table Structure */
        .table-container {
            width: 100%;
            max-width: var(--table-w);
            background: var(--row-bg);
            border-radius: 8px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        
        .table-wrapper { overflow-x: auto; }

table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.9rem;
        }

th {
            background-color: var(--header-bg);
            color: var(--header-text);
            font-weight: 600;
            padding: var(--v-pad) 1.25rem;
            border-bottom: 2px solid var(--border-color);
        }

td {
            padding: var(--v-pad) 1.25rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-color);
        }

/* Master Rows */
        tbody tr.master-row {
            transition: background-color 0.2s ease;
            cursor: pointer;
        }
        
        tbody tr.master-row:hover {
            background-color: var(--row-hover);
        }
        
        /* Expand Icon Logic */
        .icon {
            display: inline-block;
            transition: transform 0.3s ease;
            width: 12px;
            fill: #94a3b8;
        }
        tr.master-row.expanded .icon {
            transform: rotate(90deg);
        }

/* Detail Rows */
        tbody tr.detail-row {
            display: none;
            background-color: var(--exp-bg);
        }
        
        /* Hide borders internally between master and detail when expanded */
        tr.master-row.expanded td { border-bottom: none; }

.detail-content {
            padding: 1.5rem;
            color: #64748b;
            font-size: 0.85em;
            line-height: 1.6;
        }

.highlight-text {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #0f172a;
        }

.status { font-weight: 600; font-size: 0.8em; text-transform: uppercase; }
        .status.open { color: #2563eb; }
        .status.closed { color: #16a34a; }

</style>
</head>
<body>

<div class="table-container">
        <div class="table-wrapper">
            <table id="expandTable">
                <thead>
                    <tr>
                        <th style="width: 40px;"></th>
                        <th>Ticket ID</th>
                        <th>Subject</th>
                        <th>Date Submitted</th>
                        <th>Status</th>
                    </tr>
                </thead>
                <tbody>
                    
                    <tr class="master-row">
                        <td>
                            <svg class="icon" viewBox="0 0 320 512"><path d="M96 480c-8.188 0-16.38-3.125-22.62-9.375c-12.5-12.5-12.5-32.75 0-45.25L242.8 256L73.38 86.63c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25l-192 192C112.4 476.9 104.2 480 96 480z"/></svg>
                        </td>
                        <td><strong>#TCK-9901</strong></td>
                        <td>Unable to access billing portal</td>
                        <td>Oct 20, 2024</td>
                        <td><span class="status open">Open</span></td>
                    </tr>
                    <tr class="detail-row">
                        <td colspan="5">
                            <div class="detail-content">
                                <span class="highlight-text">Latest Message from Client:</span>
                                "Hi, I have been trying to download my invoices for the past 2 hours. When I click the billing portal link, the page just loads indefinitely. I've tried clearing my cache and using incognito mode. Please advise."
                            </div>
                        </td>
                    </tr>

<tr class="master-row">
                        <td>
                            <svg class="icon" viewBox="0 0 320 512"><path d="M96 480c-8.188 0-16.38-3.125-22.62-9.375c-12.5-12.5-12.5-32.75 0-45.25L242.8 256L73.38 86.63c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25l-192 192C112.4 476.9 104.2 480 96 480z"/></svg>
                        </td>
                        <td><strong>#TCK-9900</strong></td>
                        <td>Subscription upgrade failure</td>
                        <td>Oct 19, 2024</td>
                        <td><span class="status closed">Closed</span></td>
                    </tr>
                    <tr class="detail-row">
                        <td colspan="5">
                            <div class="detail-content">
                                <span class="highlight-text">Resolution Notes:</span>
                                The client's bank was blocking the cross-border transaction. We contacted the payment gateway provider, whitelisted the BIN, and re-ran the captured charge. Upgrade applied successfully.
                            </div>
                        </td>
                    </tr>
                    
                    
                    <tr class="master-row">
                        <td>
                            <svg class="icon" viewBox="0 0 320 512"><path d="M96 480c-8.188 0-16.38-3.125-22.62-9.375c-12.5-12.5-12.5-32.75 0-45.25L242.8 256L73.38 86.63c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25l-192 192C112.4 476.9 104.2 480 96 480z"/></svg>
                        </td>
                        <td><strong>#TCK-9899</strong></td>
                        <td>Feature Request: Dark Mode Integration</td>
                        <td>Oct 15, 2024</td>
                        <td><span class="status open">Open</span></td>
                    </tr>
                    <tr class="detail-row">
                        <td colspan="5">
                            <div class="detail-content">
                                <span class="highlight-text">Internal Assignment: </span>
                                Assigned to Frontend Team (Sprint 42). Awaiting design specs for the dashboard color aliases. Expected roll out early November.
                            </div>
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>
    </div>

masterRows.forEach(row => {
                row.addEventListener('click', () => {
                    const nextRow = row.nextElementSibling;
                    const isExpanded = row.classList.contains('expanded');

// If we want accordion behavior (only one open at a time), uncomment below:
                    /*
                    document.querySelectorAll('.master-row').forEach(r => {
                        r.classList.remove('expanded');
                        if(r.nextElementSibling && r.nextElementSibling.classList.contains('detail-row')) {
                            r.nextElementSibling.style.display = 'none';
                        }
                    });
                    */

if(isExpanded) {
                        row.classList.remove('expanded');
                        nextRow.style.display = 'none';
                    } else {
                        row.classList.add('expanded');
                        nextRow.style.display = 'table-row';
                    }
                });
            });
        });
    </script>
</body>
</html>