[hidden] { display: none !important; }
.page { width: min(100%, var(--page-max, 1680px)); max-width: none; container-type: inline-size; }
.browse-controls { display: grid; gap: 14px; margin: 22px 0 16px; }
.browse-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.segmented-control, .category-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.segmented-control { padding: 4px; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--surface); }
.segmented-control .chip-button { border-radius: 10px; border-color: transparent; background: transparent; }
.segmented-control .chip-button.active { background: var(--accent-soft); color: var(--accent); }
.chip-button { min-height: 38px; }
.sort-label { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: .82rem; }
select { max-width: 100%; min-height: 38px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--card-bg); color: var(--text-main); padding: 6px 10px; font: inherit; }
#animation-toggle { color: var(--text-muted); font-size: .75rem; }
#animation-toggle:disabled { cursor: default; opacity: .65; }
.date-note { color: var(--text-muted); font-size: .78rem; line-height: 1.6; margin: 18px 0 0; }
.continue-demo { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; padding: 12px 16px; margin: 16px 0 22px; color: var(--text-main); background: var(--accent-soft); border: 1px solid var(--accent-border); border-radius: 12px; text-decoration: none; }
.continue-demo > span:first-child { font-size: .78rem; color: var(--text-muted); }
.continue-demo strong { font-size: .9rem; font-weight: 500; overflow-wrap: anywhere; }
.continue-demo > span:last-child { margin-left: auto; color: var(--accent); }
.group-count { color: var(--text-muted); font-size: .75rem; }
.group-title { margin: 0; font-size: .95rem; font-weight: 500; }
.link-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
.demo-card { position: relative; min-width: 0; }
.demo-card a.demo-link { height: 100%; align-items: flex-start; gap: 12px; padding: 17px 48px 17px 16px; border-radius: 12px; }
.demo-card a.demo-link .demo-icon { margin-top: 2px; }
.demo-card a.demo-link span.title { display: block; white-space: normal; overflow: visible; text-overflow: clip; line-height: 1.4; font-weight: 550; overflow-wrap: anywhere; }
.card-content { min-width: 0; flex: 1; }
.demo-description { display: block; color: var(--text-muted); font-size: .8rem; line-height: 1.55; margin-top: 5px; }
.demo-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.demo-tag { display: inline-block; border: 1px solid var(--border-subtle); border-radius: 5px; color: var(--text-muted); font-size: .65rem; line-height: 1.4; padding: 2px 6px; }
.demo-tag.category-tag { color: var(--accent); border-color: var(--accent-border); }
.demo-card .card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 10px; margin-top: 12px; font-size: .68rem; line-height: 1.5; color: var(--text-muted); }
.demo-card .card-meta .best-score { font-size: .68rem; }
.new-badge { background: var(--accent-soft); color: var(--accent); border-radius: 4px; padding: 1px 5px; font-size: .62rem; }
.demo-card .favorite-toggle { position: absolute; top: 9px; right: 7px; width: 38px; height: 38px; border-radius: 8px; font-size: 1.15rem; }
.demo-card .favorite-toggle:hover { background: var(--accent-soft); }
.empty-state p { margin: 0 0 12px; line-height: 1.6; }
button:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.search-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* Color mode and style are independent, so every style works in light and dark. */
:root {
    --page-max: 1680px;
    --accent: #5bdfea;
    --accent-rgb: 91, 223, 234;
    --accent-soft: rgba(var(--accent-rgb), .10);
    --accent-border: rgba(var(--accent-rgb), .30);
    --surface: #111827;
    --header-glow: #1a2341;
    --hover-shadow: 0 8px 24px rgba(0, 0, 0, .20);
    --favorite-active: #eec15a;
    --particle-opacity: .65;
}
:root[data-color-mode="dark"] {
    --bg: #090e19; --card-bg: #151c2b; --card-bg-hover: #1c2638;
    --text-main: #f0f4fc; --text-muted: #a4b1c9; --border-subtle: #2c374b;
}
:root[data-color-mode="light"] {
    --bg: #f4f7fc; --card-bg: #ffffff; --card-bg-hover: #f6faff;
    --text-main: #18253a; --text-muted: #52627a; --border-subtle: #d5deeb;
    --surface: #ffffff; --header-glow: #e4edfc;
    --accent: #087d89; --accent-rgb: 8, 125, 137;
    --hover-shadow: 0 8px 24px rgba(30, 55, 90, .09);
    --favorite-active: #906300; --particle-opacity: .30;
}
:root[data-accent="indigo"] { --accent: #b7a7ff; --accent-rgb: 183, 167, 255; }
:root[data-accent="emerald"] { --accent: #63dab0; --accent-rgb: 99, 218, 176; }
:root[data-accent="rose"] { --accent: #ffabc6; --accent-rgb: 255, 171, 198; }
:root[data-color-mode="light"][data-accent="indigo"] { --accent: #5d43c6; --accent-rgb: 93, 67, 198; }
:root[data-color-mode="light"][data-accent="emerald"] { --accent: #087852; --accent-rgb: 8, 120, 82; }
:root[data-color-mode="light"][data-accent="rose"] { --accent: #ad315b; --accent-rgb: 173, 49, 91; }
:root[data-width="full"] { --page-max: 100%; }
:root[data-width="focused"] { --page-max: 960px; }
body { padding-inline: clamp(16px, 3vw, 48px); background: radial-gradient(ellipse at top, var(--header-glow), var(--bg) 65%); }
#antigravity-particles { opacity: var(--particle-opacity); }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.header-copy { min-width: 0; }
.header-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.language-control { display: flex; align-items: center; gap: 6px; color: var(--text-muted); }
.language-control select { font-size: .8rem; max-width: 130px; }
.appearance-toggle { display: inline-flex; align-items: center; gap: 7px; }
.appearance-toggle[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); }
.search-wrap, .stat-pill { background: var(--surface); }
.chip-button.active, .chip-button:hover { background: var(--accent-soft); }
.favorite-toggle.is-active { color: var(--favorite-active); }
a.demo-link:hover { box-shadow: var(--hover-shadow); }
.appearance-panel { padding: 20px; margin: 0 0 22px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: 14px; }
.appearance-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.appearance-heading h2 { font-size: 1rem; font-weight: 600; margin: 0 0 5px; }
.appearance-heading p { color: var(--text-muted); font-size: .8rem; line-height: 1.5; margin: 0; }
.appearance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.preference-field { display: grid; align-content: start; gap: 8px; min-width: 0; }
.preference-field > label, .preference-content legend { color: var(--text-muted); font-size: .8rem; }
.preference-field select { width: 100%; font-size: .85rem; }
.preference-content { display: grid; align-content: start; gap: 9px; border: 0; padding: 0; margin: 0; min-width: 0; }
.preference-content legend { padding: 0; margin-bottom: 8px; }
.preference-content label { display: flex; align-items: center; gap: 7px; font-size: .82rem; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
:root[data-descriptions="false"] .demo-description, :root[data-tags="false"] .demo-tags { display: none; }
:root[data-density="compact"] .link-grid { gap: 8px; }
:root[data-density="compact"] .demo-card a.demo-link { padding: 12px 46px 12px 12px; gap: 8px; }
:root[data-density="compact"] .demo-tags { margin-top: 7px; }
:root[data-density="compact"] .card-meta { margin-top: 8px; }
:root[data-density="compact"] .demo-description { line-height: 1.4; }
:root[data-density="compact"] .demo-card .favorite-toggle { top: 4px; right: 4px; }

:root .demo-card.has-preview a.demo-link { display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 0; overflow: hidden; }
.card-body { display: flex; align-items: flex-start; gap: 12px; padding: 16px; flex: 1; }
.demo-preview { display: block; position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid var(--border-subtle); background: var(--surface); }
.demo-preview img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: 0; transition: opacity .18s ease, transform .2s ease; }
.demo-preview.is-loaded img { opacity: 1; }
.preview-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 12px; color: var(--text-muted); background: linear-gradient(135deg, var(--accent-soft), var(--surface)); }
.preview-fallback > .material-symbols-outlined { font-size: 2rem; color: var(--accent); }
.preview-fallback-label { font-size: .75rem; }
.demo-preview.is-loaded .preview-fallback { visibility: hidden; }
.demo-card.has-preview .favorite-toggle { top: 9px; right: 9px; border: 1px solid var(--border-subtle); background: var(--surface); box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.demo-card.has-preview .favorite-toggle:hover { background: var(--card-bg-hover); }
.demo-origin { display: block; padding: 9px 16px; border-top: 1px solid var(--border-subtle); color: var(--text-muted); font-size: .65rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.access-badge { margin-left: 8px; color: var(--accent); }
:root[data-density="compact"] .card-body { padding: 12px; gap: 8px; }
:root[data-density="compact"] .demo-preview { aspect-ratio: 16 / 7; }
:root[data-density="compact"] .demo-origin { padding-block: 6px; }
:root[data-thumbnails="false"] .demo-preview { display: none; }
:root[data-thumbnails="false"] .card-body { padding-right: 48px; }
:root[data-thumbnails="false"] .demo-card .favorite-toggle { border: 0; box-shadow: none; background: transparent; }
html[lang="zh-CN"] .stat-pill { text-transform: none; letter-spacing: 0; }
html[lang="zh-CN"] .group-title { letter-spacing: .07em; }
html[lang="zh-CN"] .demo-card .title { line-height: 1.5; }

:root[data-style="minimal"] body { background: var(--bg); }
:root[data-style="minimal"] .demo-card a.demo-link { border-radius: 6px; }
:root[data-style="minimal"] a.demo-link:hover { box-shadow: none; transform: none; }
:root[data-style="minimal"] header h1 { font-weight: 500; letter-spacing: -.025em; }
:root[data-style="minimal"] .group-title { text-transform: none; letter-spacing: 0; }
:root[data-style="minimal"] .group-line { background: var(--border-subtle); }
:root[data-style="minimal"] .demo-tag { border: 0; padding-left: 0; padding-right: 8px; }
:root[data-style="minimal"] .demo-tag.category-tag { color: var(--text-muted); }

:root[data-style="paper"][data-color-mode="light"] {
    --bg: #f5f0e6; --surface: #faf7f0; --card-bg: #fffcf6; --card-bg-hover: #fffef9;
    --text-main: #312b24; --text-muted: #695f53; --border-subtle: #d7cebf;
    --hover-shadow: 2px 4px 0 rgba(82, 62, 33, .09);
}
:root[data-style="paper"][data-color-mode="dark"] {
    --bg: #191816; --surface: #211f1b; --card-bg: #27241f; --card-bg-hover: #302c26;
    --text-main: #f6efe4; --text-muted: #beb2a1; --border-subtle: #4b4236;
    --hover-shadow: 2px 4px 0 rgba(0, 0, 0, .25);
}
:root[data-style="paper"] body { background: var(--bg); }
:root[data-style="paper"] header h1, :root[data-style="paper"] .demo-card .title { font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif; }
:root[data-style="paper"] header h1 { letter-spacing: -.02em; font-weight: 500; }
:root[data-style="paper"] .demo-card a.demo-link { border-radius: 3px; }
:root[data-style="paper"] .demo-tag { border-radius: 2px; }
:root[data-style="paper"] .group-line { background: var(--border-subtle); }
:root[data-style="paper"] .group-title { font-size: .8rem; letter-spacing: .16em; }
:root[data-style="paper"] .segmented-control, :root[data-style="paper"] .appearance-panel { border-radius: 5px; }
:root[data-style="paper"] .chip-button { border-radius: 5px; }

/* Queries follow the actual collection width, including Full and Focused modes. */
@container (min-width: 620px) { .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@container (min-width: 1000px) { .link-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@container (min-width: 1380px) { .link-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@container (min-width: 1800px) { .link-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@container (min-width: 2240px) { .link-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@container (min-width: 1380px) { .appearance-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; } }
@media (max-width: 639px) {
    body { padding-top: 24px; }
    header h1 { font-size: 1.85rem; }
    .stats { gap: 5px; }
    .stat-pill { font-size: .65rem; padding: 4px 6px; }
    .utility-bar { grid-template-columns: minmax(0, 1fr) auto; align-items: stretch; }
    .browse-controls { gap: 12px; }
    .sort-label { width: auto; margin-left: auto; }
    .sort-label > label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
    #demo-sort { width: 132px; max-width: 132px; font-size: .78rem; }
    .demo-card a.demo-link { padding-top: 15px; padding-bottom: 15px; }
    .appearance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; }
    .appearance-panel { padding: 16px; }
    .appearance-heading { margin-bottom: 16px; }
}
@media (max-width: 379px) { .appearance-grid { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; }
    a.demo-link:hover { transform: none; }
}