:root {
    --gap: 12px;
    --bg: #0b0f17;
    --card: #111827;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: rgba(255, 255, 255, .08);
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

header {
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    background: rgba(11, 15, 23, .7);
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    z-index: 10;
}

header .row {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.title {
    font-weight: 700;
}

.meta {
    color: var(--muted);
    font-size: 14px;
}

.crumbs {
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.crumb {
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.2s;
}

.crumb.home {
    cursor: pointer;
    font-size: 16px;
}

.crumb.home:hover {
    background: rgba(255, 255, 255, 0.1);
}

.crumb.clickable {
    cursor: pointer;
    color: var(--text);
}

.crumb.clickable:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
}

.crumb.current {
    color: var(--accent);
    font-weight: 500;
}

.crumbSep {
    color: var(--muted);
    opacity: 0.5;
    user-select: none;
}

.controls {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.controls button, .controls select {
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer;
    outline: none;
}

.wrap {
    padding: 16px;
    max-width: 1400px;
    margin: 0 auto;
}

.grid {
    display: grid;
    grid-template-columns:repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--gap);
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 180px;
}

.thumb {
    position: relative;
    aspect-ratio: 1/1;
    background: rgba(255, 255, 255, .04);
    display: grid;
    place-items: center;
}

.thumb img, .thumb video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.name {
    padding: 10px 12px;
    font-size: 13px;
    color: var(--muted);
    word-break: break-word;
    border-top: 1px solid var(--border);
}

.placeholder {
    width: 46px;
    height: 46px;
    border-radius: 999px;
    border: 3px solid rgba(255, 255, 255, .08);
    border-top-color: rgba(255, 255, 255, .35);
    animation: spin 1s linear infinite;
}

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

.sentinel {
    height: 1px;
}

.footer {
    padding: 16px;
    color: var(--muted);
    text-align: center;
}

#loadMore {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

#loadMore:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
}

#loadMore:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.error {
    color: #fca5a5;
    margin-top: 10px;
    font-size: 14px;
    white-space: pre-wrap;
}

.thumb.folder {
    cursor: pointer;
}

.folderBadge, .videoBadge {
    position: absolute;
    left: 10px;
    top: 10px;
    background: rgba(0, 0, 0, .55);
    border: 1px solid rgba(255, 255, 255, .15);
    padding: 6px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text);
    backdrop-filter: blur(6px);
}

.videoBadge {
    font-size: 14px;
}

.folderIcon {
    width: 64px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    position: relative;
    background: rgba(255, 255, 255, .06);
}

.folderIcon:before {
    content: "";
    position: absolute;
    top: -10px;
    left: 10px;
    width: 26px;
    height: 14px;
    border-radius: 10px 10px 0 0;
    background: rgba(255, 255, 255, .10);
    border: 1px solid rgba(255, 255, 255, .15);
    border-bottom: none;
}

/* README */
.readme {
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 16px;
    line-height: 1.55;
}

.readmeHeader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.readmeToggle {
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.readmeToggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.readmeToggle svg {
    transition: transform 0.3s ease;
}

.readme.collapsed .readmeToggle svg {
    transform: rotate(-90deg);
}

.readmeContent {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.readme.collapsed .readmeContent {
    max-height: 0;
    opacity: 0;
}

.readme h1, .readme h2, .readme h3 {
    margin: 14px 0 8px;
}

.readme p {
    margin: 8px 0;
    color: var(--text);
}

.readme a {
    color: var(--text);
    text-decoration: underline;
}

.readme strong {
    font-weight: 700;
    color: var(--text);
}

.readme code {
    background: rgba(255, 255, 255, .06);
    padding: 2px 6px;
    border-radius: 8px;
}

.readme pre {
    background: rgba(0, 0, 0, .35);
    border: 1px solid rgba(255, 255, 255, .10);
    padding: 12px;
    border-radius: 12px;
    overflow: auto;
}

.readme ul {
    margin: 8px 0 8px 20px;
}

.readme hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

.readme .readmeTitle {
    font-weight: 700;
    color: var(--muted);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .78);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 999;
}

.lightbox.open {
    display: flex;
}

.lbFrame {
    position: relative;
    max-width: 95vw;
    max-height: 90vh;
}

.lbImg, .lbVideo {
    max-width: 95vw;
    max-height: 90vh;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
    background: #000;
    display: block;
}

.lbVideo {
    display: none;
}

.lbBtn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .20);
    background: rgba(0, 0, 0, .45);
    color: var(--text);
    display: grid;
    place-items: center;
    cursor: pointer;
    user-select: none;
    z-index: 10001;
}

.lbBtn:hover {
    background: rgba(0, 0, 0, .65);
}

.lbPrev {
    left: 20px;
}

.lbNext {
    right: 20px;
}

@media (max-width: 560px) {
    .lbPrev {
        left: 10px;
    }

    .lbNext {
        right: 10px;
    }

    .lbBtn {
        background: rgba(0, 0, 0, .55);
    }
}

.lbTop {
    position: fixed;
    left: 0;
    right: 0;
    top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--muted);
    font-size: 13px;
    padding: 0 20px;
    z-index: 10001;
}

.lbTopRight {
    display: flex;
    align-items: center;
    gap: 12px;
}

#lbOpenNew, #lbCopyLink {
    color: var(--text);
    text-decoration: none;
    font-size: 18px;
    opacity: 0.8;
    transition: opacity 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

#lbOpenNew:hover, #lbCopyLink:hover {
    opacity: 1;
}