:root {
  --bg: #0f1117;
  --bg-elev: #171a23;
  --panel: #1e222e;
  --text: #e6e9f0;
  --muted: #9aa3b2;
  --accent: #4ade80;
  --accent-2: #38bdf8;
  --snake-body: #3fbf6f;
  --obstacle: #7c8696;
  --danger: #f87171;
  --border: #2a2f3d;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }

/**/
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/**/
.catalog { max-width: var(--maxw); margin: 0 auto; padding: 32px 20px 64px; }
.catalog__head p { margin: 0 0 28px; }
.catalog__stat { margin: -18px 0 22px; font-size: 0.85rem; color: var(--accent-2); font-weight: 600; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  position: relative;
  display: block;
  
  
  color: var(--text);
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:hover {  border-color: var(--accent); text-decoration: none; }

/**/
.card-item { position: relative; min-width: 0; transition: transform 0.12s ease; }
.card-item > .card { flex: 1; }
.card-item > .card:hover { transform: none; }
.card-item.is-hidden { display: none; }

/**/
.card__fav {
  position: absolute;
  padding: 0; font-family: inherit;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  color: var(--muted);
  transition: border-color 0.12s ease, color 0.12s ease;
}
.card__fav:hover { border-color: var(--accent-2); }
.card__fav[aria-pressed='true'] { color: var(--accent-2); border-color: var(--accent-2); }
.card__fav:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.card__art {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elev);
}
.card p { margin: 0 0 10px; color: var(--muted); }
.card__play { color: var(--accent); font-weight: 600; }
.card__best {
  display: inline-block;
  
  font-weight: 700;
  color: var(--accent-2);
  border: 1px solid var(--border);
  border-radius: 999px;
}
/**/
.card__mech {
  display: block;
  letter-spacing: 0.01em;
  
  
}

/**/
.card__ends {
  display: block;
  
  
  
  color: var(--muted);
  
  
}

/**/
.card__length,
.card__controls {
  display: inline-block;
  
  padding: 2px 9px;
  
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.card__controls {  }

/**/
.card__diff {
  display: inline-block;
  
  
  
  
  
  
  
  
  
  border-radius: 999px;
}

/**/
/**/
.pick {
  
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
}
.pick[hidden] { display: none; }
.pick__label {
  margin: 0 0 8px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}
.pick__link {
  display: flex; align-items: center;
  color: var(--text); text-decoration: none;
}
.pick__link:hover { text-decoration: none; }
.pick__link:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 8px; }
.pick__art { line-height: 1; }
.pick__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pick__mech { font-size: 0.85rem; color: var(--muted); }
.pick__play {  color: var(--accent); font-weight: 600; white-space: nowrap; }
.pick__why { margin: 8px 0 0; font-size: 0.85rem; }

/**/
.shelf {
   padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  border-radius: var(--radius);
}
.shelf[hidden] { display: none; }
.shelf__label {
  margin: 0 0 4px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-2);
}
.shelf__sub { margin: 0 0 12px; font-size: 0.82rem; }
.shelf__row {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.shelf__card {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px 12px; min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text); text-decoration: none;
}
.shelf__card:hover { border-color: var(--accent-2); text-decoration: none; }
.shelf__card:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.shelf__slot {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent-2);
}
.shelf__art { font-size: 1.4rem; line-height: 1; }
.shelf__name { font-size: 0.98rem; }
.shelf__why { font-size: 0.8rem; line-height: 1.35; }

.mech { margin: 0 0 22px; }
.mech[hidden] { display: none; }
.mech__title {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
.mech__rail { display: flex; flex-wrap: wrap; gap: 8px; }
.mech__chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.mech__chip:hover { border-color: var(--accent); color: var(--text); }
.mech__chip.is-active { color: var(--text); border-color: var(--accent); background: var(--bg-elev); font-weight: 700; }
.mech__chip:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.catalog__foot { margin-top: 36px; font-size: 0.85rem; }

/**/
.filter {
    
}
.filter__btn {
  appearance: none; border: 1px solid var(--border); background: var(--panel);
  color: var(--muted); border-radius: 999px;  
  cursor: pointer; transition: border-color 0.12s ease, color 0.12s ease;
}
.filter__btn:hover { border-color: var(--accent); }
.filter__btn.is-active { color: var(--text); border-color: var(--accent); background: var(--bg-elev); }
.filter__btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
/**/
.filter__hint {  font-size: 0.78rem; }
.card__tag {
  display: inline-block;
  border-radius: 999px; font-weight: 600;
}
.card.is-hidden { display: none; }

/**/
.catalog__search { margin: 0 0 22px; }
.search__input {
  
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 16px;
  
}
.search__input::placeholder { color: var(--muted); }
.search__input:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.catalog__empty { margin: 18px 0 0; }

/**/
.recent__title {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.recent__rail { display: flex; flex-wrap: wrap; gap: 8px; }
.recent__chip {
  display: inline-block;
  border-radius: 999px;
  font-weight: 600;
  color: var(--accent-2);
  background: var(--panel);
  border: 1px solid var(--border);
  transition: border-color 0.12s ease, color 0.12s ease;
}
.recent__chip:hover { border-color: var(--accent-2); text-decoration: none; }
@keyframes bestpop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.btn--primary { background: var(--accent); color: #06210f; border-color: var(--accent); font-weight: 600; }
.btn--ghost { background: transparent; padding: 8px 10px; }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg-elev: #ffffff;
    --panel: #ffffff;
    --text: #14181f;
    --muted: #5b6472;
    --obstacle: #9aa3b2;
    --border: #d7dce5;
    --shadow: 0 8px 30px rgba(20, 24, 31, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/**/
:root { --maxw: 1120px; }
body { line-height: 1.5; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 50; padding: 12px 18px; background: var(--panel); border: 2px solid var(--accent); border-radius: 10px; }
.skip-link:focus { top: 12px; }
a:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 4px; }
.catalog__head {
  position: relative;
  border: 1px solid var(--border);
  background: radial-gradient(ellipse at 100% 0%, rgba(56,189,248,.12), transparent 65%), var(--bg-elev);
}
.catalog__head .catalog__eyebrow { margin: 0 0 14px; color: var(--accent); font-weight: 800; }
.catalog__head p.muted { max-width: 480px; }
.catalog__head .btn { margin: 0 8px 6px 0; }
.catalog__browse { display: inline-flex; align-items: center; }
.catalog__browse:hover { text-decoration: none; border-color: var(--accent); }
.library-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; scroll-margin-top: 20px; }
.library-heading h2 { margin: 0; letter-spacing: -.025em; }
.library-heading span { font-size: .82rem; }
.pick {  border-radius: 18px; background: linear-gradient(110deg, rgba(74,222,128,.06), transparent), var(--bg-elev); }
.pick__link { gap: 18px; }
.pick__art { display: grid; place-items: center; flex: 0 0 64px;   border: 1px solid var(--border); border-radius: 16px; background: var(--panel); }
.pick__text strong {  line-height: 1.25; margin-bottom: 5px; }
.pick__why { margin-top: 12px; }
.filter {   }
.filter__btn, .mech__chip, .recent__chip { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.filter__btn.is-active { box-shadow: inset 0 -2px 0 var(--accent); font-weight: 700; }
.search__input { max-width: 100%;  border-radius: 12px; }
.catalog__sort { display: flex; align-items: center; gap: 10px; font-size: .85rem; }
.sort__select { min-height: 44px; padding: 8px 34px 8px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--text); font: inherit; }
.catalog__count {  color: var(--muted);  }
.catalog__hint { font-size: .75rem; margin-bottom: 20px; }
.grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.card { display: flex; flex-direction: column; min-width: 0;   }
.card__art { order: 0; background: radial-gradient(ellipse at 50% 100%, rgba(56,189,248,.12), transparent), var(--bg-elev); }
.card[data-category="strategy"] .card__art { background: radial-gradient(ellipse at 50% 100%, rgba(251,191,36,.13), transparent), var(--bg-elev); }
.card[data-category="puzzle"] .card__art { background: radial-gradient(ellipse at 50% 100%, rgba(167,139,250,.15), transparent), var(--bg-elev); }
.card[data-category="arcade"] .card__art { background: radial-gradient(ellipse at 50% 100%, rgba(74,222,128,.13), transparent), var(--bg-elev); }
.card__tag { order: 1; align-self: flex-start; }
.card h2 { order: 2;  letter-spacing: -.02em; }
.card__mech { order: 3; }
.card__ends { order: 4; }
.card__length, .card__diff, .card__controls { order: 5; align-self: flex-start;  }
.card p { order: 6; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; line-height: 1.55; font-size: .85rem; margin-bottom: 18px; }
.card__play { order: 7; margin-top: auto;  border-top: 1px solid var(--border); }
.card__best { order: 8; align-self: flex-start; }
.card__fav { font-size: 1.2rem; }
.btn { min-height: 44px; font-weight: 600; touch-action: manipulation; }
@media (min-width: 900px) {
  .catalog {  grid-template-columns: minmax(0, 1fr) 320px; column-gap: 24px; }
  .catalog > * { grid-column: 1 / -1; }
  .catalog__head { grid-column: 1; grid-row: 1; padding: 32px; margin-bottom: 0; }
  .catalog:has(> .pick[hidden]) .catalog__head { grid-column: 1 / -1; }
  .pick { grid-column: 2; grid-row: 1;   flex-direction: column; justify-content: center; }
  .pick__link {  }
  .pick__art {    }
  .pick__text {  }
  .pick__play {   }
  .library-heading {  }
}
@media (max-width: 420px) {
  .catalog { padding: 16px 16px 40px; }
  .filter {  max-width: 100%;     }
  .filter__btn { flex-shrink: 0; }
  .catalog__head { border-radius: 18px; padding: 24px 20px; }
  .pick {  }
  .pick__art {    }
  .pick__link {  gap: 12px; }
  .pick__play { font-size: .85rem; }
  .pick__text {  }
  .card {  }
}
@media (prefers-color-scheme: light) {
  :root { --accent: #15803d; --accent-2: #0369a1; }
  .btn--primary { color: #fff; }
}

/**/
.local-save { margin-top: 32px; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
.local-save h2 { margin-top: 0; font-size: 1.15rem; }
.local-save p { max-width: 72ch; }
#reset-status:empty { display: none; }
.save-dialog { max-width: min(480px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); overflow-y: auto; box-sizing: border-box; padding: 24px; color: var(--text); background: var(--panel); border: 2px solid var(--border); border-radius: var(--radius); }
.save-dialog::backdrop { background: rgba(8, 10, 16, .82); }
.save-dialog h2 { margin-top: 0; }
.save-dialog__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.save-dialog .btn { flex: 1 1 170px; }
.save-dialog .btn:disabled { opacity: .6; cursor: wait; }


/**/
.catalog { display: block; }
.catalog__head { border-radius: 18px; }
.catalog__head h1 { margin-bottom: 6px; }
.catalog__head .catalog__intro { margin-bottom: 2px; }
.catalog__head p.muted { margin-bottom: 10px; font-size: .85rem; }
.catalog__head .catalog__stat { margin-bottom: 12px; }
.library-heading {   }
.catalog .filter { display: block; overflow: visible; padding: 0; }
.filter__quick, .filter__group { display: flex; flex-wrap: wrap; gap: 8px; }
.filter__more { margin-top: 10px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-elev); }
.filter__more summary, .daily-discovery > summary, .catalog__keys > summary { cursor: pointer; min-height: 44px; padding: 10px 12px; font-size: .85rem; font-weight: 650; }
.catalog summary:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.filter__group-title { margin: 12px 12px 8px; font-size: .8rem; font-weight: 700; }
.filter__group { padding: 0 12px; }
.filter__more .filter__hint { margin: 12px; line-height: 1.5; }
.catalog__toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 8px; }
.catalog__toolbar .catalog__sort, .catalog__toolbar .catalog__count { margin: 0; }
.catalog__toolbar .btn { font-size: .8rem; }
.daily-discovery { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-elev); margin: 8px 0; }
.daily-discovery[hidden] { display: none; }
.daily-discovery .pick { padding: 16px; margin: 0 12px 12px; display: block; }
.daily-discovery .pick[hidden] { display: none; }
.daily-discovery .pick__link { flex-wrap: wrap; }
.daily-discovery .pick__art { flex-basis: 48px; height: 48px; font-size: 1.8rem; }
.daily-discovery .pick__text { flex: 1 1 150px; }
.daily-discovery .pick__text strong { font-size: 1.15rem; }
.daily-discovery .pick__play { flex-basis: auto; margin: 0; }
.daily-discovery .shelf { margin: 12px; }
.catalog__keys { margin: 4px 0 14px; color: var(--muted); }
.catalog__keys .catalog__hint { margin: 0 12px 12px; }
.card__meta { order: 5; display: flex; flex-wrap: wrap; align-items: flex-start; margin-bottom: 10px; }
.card__meta .card__length, .card__meta .card__diff, .card__meta .card__controls { margin: 0; }
@media (max-width: 420px) {
  .catalog__head { padding: 18px; }
  .catalog__head .btn { font-size: .8rem; margin-right: 4px; }
  .filter__quick, .filter__group { gap: 6px; }
  .catalog .filter__btn { padding: 8px 10px; }
  .catalog__toolbar { gap: 8px; }
  .daily-discovery .shelf__row { grid-template-columns: 1fr; }
}

/**/
.catalog { padding-top: 24px; }
.catalog__head { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px 24px; padding: 20px 24px 14px; margin-bottom: 20px; box-shadow: 0 4px 18px rgba(0,0,0,.025); }
.catalog__head h1 { font-size: 2.25rem; line-height: 1; margin: 0 0 8px; letter-spacing: -.055em; }
.catalog__head .catalog__eyebrow { margin-bottom: 8px; font-size: .62rem; letter-spacing: .18em; }
.catalog__head .catalog__intro { margin: 0; font-size: .9rem; font-weight: 500; color: var(--muted); }
.catalog__welcome { text-align: right; }
.catalog__head .catalog__welcome p { margin: 0 0 10px; font-size: .8rem; }
.catalog__head .catalog__welcome .btn { margin: 0; }
.catalog__browse { min-height: 44px; padding: 10px 0 10px 14px; font-size: .8rem; }
.catalog__head .catalog__stat { grid-column: 1 / -1; margin: 0; padding-top: 10px; border-top: 1px solid var(--border); font-size: .72rem; color: var(--muted); font-weight: 500; }
.library-heading { margin: 0 0 10px; align-items: center; }
.library-heading h2 { font-size: 1.12rem; }
.library-heading .catalog__count { margin: 0; font-size: .75rem; }
.catalog__search { display: flex; align-items: stretch; gap: 8px; margin-bottom: 10px; }
.catalog__search .search__input { flex: 1; width: 0; min-width: 100px; margin: 0; min-height: 44px; font-size: .85rem; }
.catalog__search .sort__select { height: 44px; max-width: 150px; font-size: .78rem; }
.catalog .filter #copylink { padding: 8px 12px; font-size: .76rem; }
.catalog .filter { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 8px; margin: 0 0 16px; }
.filter__quick { gap: 6px; }
.catalog .filter__btn { font-size: .76rem; padding: 8px 12px; }
.filter__more { margin: 0 0 0 auto; border-radius: 10px; }
.filter__more > summary { font-size: .76rem; white-space: nowrap; }
.filter__more[open] { flex: 1 1 100%; }
.recent { display: flex; align-items: center; gap: 10px; margin: 0 0 16px; padding: 0; }
.recent[hidden] { display: none; }
.recent__title { flex: 0 0 auto; margin: 0; font-size: .72rem; color: var(--muted); font-weight: 600; }
.recent__rail { margin: 0; min-width: 0; gap: 6px; }
.recent__chip { font-size: .72rem; padding: 6px 10px; white-space: nowrap; }
.grid { align-items: start; gap: 18px; }
.card-item { display: block; border: 1px solid var(--border); border-radius: 16px; background: var(--panel); overflow: visible; }
.card-item:hover { transform: translateY(-2px); border-color: var(--accent-2); }
.card-item > .card { min-height: 316px; border: 0; border-radius: 16px; padding: 12px 14px 0; background: transparent; }
.card:focus-visible { outline-offset: 4px; }
.card__art { flex: 0 0 82px; height: 82px; font-size: 2.6rem; margin-bottom: 12px; border-radius: 10px; }
.card__tag { margin: 0 0 5px; padding: 0; color: var(--muted); background: none; border: 0; font-size: .62rem; letter-spacing: .09em; text-transform: uppercase; font-weight: 650; }
.card h2 { margin: 0 0 6px; font-size: 1.15rem; line-height: 1.25; }
.card__mech { border: 0; padding: 0; margin: 0 0 12px; min-height: 2.8em; font-size: .81rem; line-height: 1.4; font-weight: 400; color: var(--muted); }
.card__meta { gap: 0; margin: 0 0 10px; }
.card__meta .card__length, .card__meta .card__diff { padding: 0; border: 0; background: none; color: var(--muted); font-size: .7rem; line-height: 1.4; font-weight: 500; text-transform: none; letter-spacing: 0; }
.card__meta .card__diff::before { content: '·'; display: inline-block; margin: 0 7px; }
.card__play { display: flex; align-items: center; height: 46px; flex: 0 0 46px; padding: 0 90px 0 0; font-size: .8rem; }
.card__best { position: absolute; top: 64px; left: 20px; max-width: calc(100% - 40px); padding: 2px 7px; margin: 0; font-size: .64rem; background: var(--panel); }
.card__fav { top: 18px; right: 20px; width: 44px; height: 44px; background: var(--panel); }
/**/
.card__details { position: relative; margin-top: -46px; pointer-events: none; }
.card__details > summary { width: max-content; margin-left: auto; min-height: 46px; padding: 12px 14px; cursor: pointer; font-size: .76rem; color: var(--muted); pointer-events: auto; }
.card__details[open] > summary { color: var(--accent-2); }
.card__detail-body { pointer-events: auto; padding: 14px; border-top: 1px solid var(--border); font-size: .8rem; color: var(--muted); line-height: 1.65; }
.card__detail-body p { margin: 0 0 12px; }
.card__detail-body .card__ends { margin: 0 0 10px; padding: 0; border: 0; font-size: .76rem; font-weight: 600; }
.card__detail-body .card__controls { margin: 0; font-size: .65rem; }
.daily-discovery { margin-top: 24px; }
.catalog__keys { margin-bottom: 0; }
@media (max-width: 680px) {
  .catalog { padding: 16px 16px 40px; }
  .catalog__head { padding: 16px; }
  .catalog__head h1 { font-size: 2rem; }
  .catalog__welcome { text-align: left; grid-column: 1 / -1; }
  .catalog__head .catalog__welcome p { display: none; }
  .catalog__head .catalog__stat { padding-top: 8px; }
  .catalog__search { flex-wrap: wrap; }
  .catalog__search .search__input { flex-basis: calc(100% - 148px); }
  .catalog__search .sort__select { max-width: 132px; padding-left: 8px; }
  .catalog .filter #copylink { margin-left: auto; }
  .filter__more { margin-left: 0; }
  .filter__quick { flex: 1 1 100%; }
  .catalog .filter__btn { padding: 8px 9px; font-size: .72rem; }
  .recent__rail { flex-wrap: nowrap; overflow-x: auto; }
  .grid { gap: 14px; }
}

/**/
@media (max-width: 680px) {
  .catalog__head { gap: 8px 12px; }
  .library-heading { column-gap: 6px; }
  .library-heading h2 { font-size: 1rem; }
  .filter__quick { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
  .filter__quick > .filter__btn { grid-column: span 2; }
  .filter__quick > .filter__btn:nth-last-child(-n+2) { grid-column: span 3; }
  .recent { flex-direction: row; align-items: center; gap: 10px; }
  .recent__rail { flex: 1; width: auto; }
}