.group {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 16px 0;
    overflow: hidden;
    background: var(--bg);
    content-visibility: auto;
    contain-intrinsic-size: 1px 800px;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.group > summary {
    --group-summary-bg: transparent;
    list-style: none;
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    display: flex;
    align-items: center;
    gap: 10px;
    user-select: none;
    transition: background-color .18s ease, color .18s ease, box-shadow .18s ease;
    position: relative;
    background: var(--group-summary-bg);
    box-shadow: inset 0 -1px 0 var(--border);
}

.group > summary .group-label {
    white-space: nowrap;
}

.group > summary .group-dots {
    min-width: 4ch;
    color: var(--muted);
    opacity: .8;
    letter-spacing: .02em;
}

.group > summary.is-pending .group-dots {
    color: var(--text);
    opacity: 1;
}

.group > summary::before {
    content: ">";
    font-size: 13px;
    line-height: 1;
    color: var(--muted);
    transform: translateY(-0.5px);
    transition: color .18s ease, opacity .18s ease, transform .18s ease;
    opacity: .55;
}

.group > summary::-webkit-details-marker {
    display: none;
}

.group > summary .badge {
    margin-left: auto;
    font-size: 12px;
    color: var(--muted);
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    background: var(--group-summary-bg);
    transition: color .18s ease, background-color .18s ease;
}

.group:hover {
    border-color: color-mix(in srgb, var(--muted) 35%, var(--border));
}

.group:hover > summary {
    --group-summary-bg: color-mix(in srgb, var(--bg) 96%, var(--text));
}

.group[open] > summary {
    box-shadow: none;
}

.group.is-active > summary {
    color: var(--text);
    --group-summary-bg: color-mix(in srgb, var(--bg) 95%, var(--text));
}

.group.is-active {
    border-color: color-mix(in srgb, var(--muted) 22%, var(--border));
    box-shadow: none;
}

.group.is-active > summary::before {
    color: var(--text);
    opacity: 1;
    transform: translateX(1px) translateY(-0.5px);
}

.group.is-active > summary .badge {
    color: var(--text);
}

.group[open]:not(.is-active) > summary::before {
    color: color-mix(in srgb, var(--muted) 78%, var(--text));
    opacity: .8;
}

.group-items {
    padding: 12px;
    will-change: height;
}

.group-items[data-layout="list"] {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.group-items[data-layout="grid"] {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.group-empty {
    color: var(--muted);
}