:root {
    --card-padding: var(--space-4);
    --card-radius: 12px;
    --ruler-tick-width: 1.5px;
    --ruler-tick-height: 10px;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-5) var(--space-3);
}

#demo-03 {
    width: 100%;
    max-width: 580px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    position: relative;
    overflow: hidden;
}

.card__body {
    overflow-x: auto;
}

/* ---- Table ---- */

.filenames-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.filenames-table th,
.filenames-table td {
    padding: 9px var(--space-2);
    text-align: left;
    font-weight: 400;
    white-space: nowrap;
}

.filenames-table th {
    font-size: 0.75em;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    background-color: color(from var(--border) srgb r g b / 0.02);
    border-bottom: 1px solid color(from var(--border) srgb r g b / 0.08);
    position: relative;
}

.filenames-table td {
    font-size: 0.95em;
    color: var(--text);
}

.filenames-table tr:nth-child(even) {
    background-color: color(from var(--border) srgb r g b / 0.04);
}

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

.filenames-table tbody tr:hover td {
    background-color: color(from var(--accent) srgb r g b / 0.05);
}

.filenames-table--resizing {
    user-select: none;
    -webkit-user-select: none;
}

/* ---- Column widths ---- */

.filenames-table col.col-filename {
    width: var(--col-filename-width, 65%);
}

/* ---- Resize handle ---- */

.filenames-table th.col-filename {
    position: relative;
}

.resize-handle {
    position: absolute;
    right: 1px;
    top: 0;
    bottom: 0;
    width: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: col-resize;
    color: var(--border);
    transition: color 0.15s ease;
    transform: translateX(50%);
    z-index: 1;
}

.resize-handle::before {
    content: "";
    position: absolute;
    inset: var(--space-0) 5px;
    border-right: 1px solid currentColor;
}

.resize-handle:hover {
    color: var(--accent);
}