:root {
  --bg: #f6f6f4; --card: #fff; --ink: #1b1b1b; --muted: #6b6b6b;
  --line: #e3e3df; --accent: #c8102e; --accent-ink: #fff; --chip: #ecece8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212; --card: #1d1d1d; --ink: #ececec; --muted: #9a9a9a;
    --line: #2c2c2c; --accent: #ff4d5e; --accent-ink: #111; --chip: #262626;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.top::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 160px at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
              radial-gradient(500px 140px at 100% 100%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 70%); }
.top-in { position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  gap: 6px 22px; padding-top: 18px; padding-bottom: 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.logo-mark { width: 44px; height: 42px; color: var(--ink); flex: none; }
.wordmark { font-size: 30px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.wordmark b { color: var(--accent); font-weight: 800; }
.wordmark i { font-style: normal; font-weight: 600; font-size: 17px; color: var(--muted); letter-spacing: -.01em; margin-left: 1px; }
.tagline { margin: 0; color: var(--muted); font-size: 15px; border-left: 2px solid var(--line); padding-left: 18px; }
.stats { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px; white-space: nowrap; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: #1fa45a; box-shadow: 0 0 0 0 rgba(31,164,90,.5);
  animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(31,164,90,.5); } 70% { box-shadow: 0 0 0 7px rgba(31,164,90,0); } 100% { box-shadow: 0 0 0 0 rgba(31,164,90,0); } }
@media (prefers-reduced-motion: reduce) { .pill .dot { animation: none; } }
@media (max-width: 820px) {
  .top-in { grid-template-columns: 1fr; padding-top: 14px; padding-bottom: 14px; }
  .tagline { border-left: 0; padding-left: 0; font-size: 14px; }
  .stats { justify-content: flex-start; }
  .wordmark { font-size: 26px; }
}
.tabs { display: flex; gap: 4px; margin: 16px 0 12px; border-bottom: 1px solid var(--line); }
.tabs button { background: none; border: 0; padding: 10px 14px; font: inherit; font-weight: 600;
  color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--accent); }

.controls { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
#q { flex: 1 1 260px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--ink); font: inherit; }
.toggle { color: var(--muted); font-size: 14px; display: flex; gap: 6px; align-items: center; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.chip { border: 0; background: var(--chip); color: var(--ink); padding: 6px 11px; border-radius: 999px;
  font: inherit; font-size: 13px; cursor: pointer; }
.chip small { color: var(--muted); margin-left: 4px; }
.chip.on { background: var(--accent); color: var(--accent-ink); }
.chip.on small { color: inherit; opacity: .8; }

.grid { display: grid; gap: 18px 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.vid .thumb { display: block; position: relative; aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; background: var(--chip); }
.vid img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vid .badge { position: absolute; right: 6px; bottom: 6px; background: rgba(0,0,0,.75); color: #fff;
  font-size: 11px; padding: 1px 6px; border-radius: 4px; }
.vid h3 { font-size: 14px; margin: 7px 0 2px; line-height: 1.3; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.vid .by, .vid .when { font-size: 12.5px; color: var(--muted); margin: 0; }
.vid .by a:hover { color: var(--ink); }

.chan { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 14px; }
.chan-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.rank { font-weight: 700; color: var(--muted); min-width: 2.6em; text-align: right; font-variant-numeric: tabular-nums; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--chip); flex: none; }
.chan-head h2 { font-size: 16px; margin: 0; }
.chan-head p { margin: 0; font-size: 13px; color: var(--muted); }
.row { display: grid; grid-auto-flow: column; grid-auto-columns: 200px; gap: 12px; overflow-x: auto;
  padding-bottom: 6px; scroll-snap-type: x proximity; }
.row .vid { scroll-snap-align: start; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }

.more { display: block; margin: 24px auto; padding: 10px 22px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.foot { color: var(--muted); font-size: 13px; padding: 30px 16px 40px; }
.foot a { text-decoration: underline; }
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr 1fr; gap: 14px 10px; }
  .row { grid-auto-columns: 160px; }
  .rank { min-width: 2em; }
}
.avatar[src=""] { visibility: hidden; }

/* category sidebar */
.layout { display: grid; grid-template-columns: 1fr; gap: 20px; }
.layout.has-side { grid-template-columns: 260px minmax(0, 1fr); }
.side { position: sticky; top: 12px; align-self: start; max-height: calc(100vh - 24px);
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; }
.side details { display: flex; flex-direction: column; min-height: 0; }
.side summary { padding: 12px 14px; font-weight: 700; cursor: pointer; list-style: none; }
.side summary::-webkit-details-marker { display: none; }
#sideQ { margin: 0 10px 8px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font: inherit; font-size: 14px; width: calc(100% - 20px); }
#sideList { list-style: none; margin: 0; padding: 0 6px 8px; overflow-y: auto; max-height: calc(100vh - 140px); }
#sideList .pick { display: flex; align-items: center; gap: 9px; width: 100%; border: 0; background: none;
  color: var(--ink); font: inherit; font-size: 14px; text-align: left; padding: 6px 8px; border-radius: 8px; cursor: pointer; }
#sideList .pick:hover { background: var(--chip); }
#sideList .pick.on { background: var(--accent); color: var(--accent-ink); }
#sideList .pick.on small { color: inherit; opacity: .8; }
#sideList img { width: 26px; height: 26px; border-radius: 50%; flex: none; background: var(--chip); }
#sideList span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#sideList small { color: var(--muted); font-size: 12px; }
.picked { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--muted); font-size: 14px; }
.picked button { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px;
  padding: 4px 10px; font: inherit; font-size: 13px; cursor: pointer; }
@media (max-width: 820px) {
  .layout.has-side { grid-template-columns: 1fr; }
  .side { position: static; max-height: none; }
  #sideList { max-height: 50vh; }
}

/* text view */
.tlist { list-style: none; margin: 0; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.tlist li { display: grid; grid-template-columns: 6.5em minmax(0, 1fr) auto; gap: 4px 14px; align-items: baseline;
  padding: 9px 14px; border-top: 1px solid var(--line); font-size: 14.5px; }
.tlist li:first-child { border-top: 0; }
.tlist .when { color: var(--muted); font-size: 13px; white-space: nowrap; }
.tlist .t a:hover { text-decoration: underline; }
.tlist .t small { color: var(--muted); margin-left: 6px; font-size: 12.5px; }
.tlist .by { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 16em; }
.tlist .tag { font-size: 11px; background: var(--chip); color: var(--muted); padding: 1px 6px; border-radius: 4px; margin-left: 6px; }
.chan .tlist { border: 0; border-radius: 0; margin: 0 -14px -14px; border-top: 1px solid var(--line); }
@media (max-width: 520px) {
  .tlist li { grid-template-columns: 1fr; gap: 2px; }
  .tlist .by { max-width: none; }
}
.side[hidden] { display: none; }

/* favourites */
.star { border: 0; background: none; color: var(--muted); font-size: 18px; line-height: 1; padding: 2px 4px;
  cursor: pointer; border-radius: 6px; vertical-align: middle; }
.star:hover { color: #e0a100; background: var(--chip); }
.star.on { color: #e0a100; }
#sideList li { display: flex; align-items: center; gap: 2px; }
#sideList li .pick { flex: 1; min-width: 0; }
#sideList .hint { display: block; color: var(--muted); font-size: 13.5px; padding: 6px 10px 10px; }
.chip.fav:not(.on) { color: #9a6c00; }
@media (prefers-color-scheme: dark) { .chip.fav:not(.on) { color: #f0b429; } }
.chan-head h2 .star { font-size: 17px; }

/* watch later */
.vid { position: relative; }
.vid .later { position: absolute; top: 6px; right: 6px; width: 30px; height: 30px; border: 0; border-radius: 8px;
  background: rgba(0,0,0,.7); color: #fff; font-size: 15px; line-height: 30px; padding: 0; cursor: pointer;
  opacity: 0; transition: opacity .15s; }
.vid:hover .later, .vid .later.on, .vid .later:focus-visible { opacity: 1; }
.vid .later.on { background: var(--accent); color: var(--accent-ink); }
@media (hover: none) { .vid .later { opacity: .9; } }
.tlist .later { border: 0; background: none; cursor: pointer; font-size: 13px; padding: 0 6px 0 0; color: var(--muted); }
.tlist .later.on { color: var(--accent); font-weight: 700; }
.tabs small { color: var(--muted); font-weight: 500; }
.chips[hidden] { display: none; }
.more[hidden] { display: none; }
.vid .by a, .tlist a.by { cursor: pointer; }
.vid .by a:hover, .tlist a.by:hover { color: var(--accent); text-decoration: underline; }
.picked a { color: var(--muted); font-size: 13px; text-decoration: underline; }

/* categories in the header */
.catnav { position: relative; border-top: 1px solid var(--line); }
.catnav .chips { margin: 0; padding: 10px 0; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: thin;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent);
          mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent); }
.catnav .chip { white-space: nowrap; flex: none; background: var(--bg); border: 1px solid var(--line); }
.catnav .chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
@media (min-width: 1100px) {
  .catnav .chips { flex-wrap: wrap; -webkit-mask-image: none; mask-image: none; }
}
.tabs { margin-top: 12px; }

/* ---- chip styles ---- */
.chip i { font-style: normal; display: none; }
.chip small { margin-left: 5px; }
/* A: capsule – default above */
/* B: menu with underline */
body[data-gomb="b"] .catnav .chips { gap: 22px; padding: 0; -webkit-mask-image: none; mask-image: none; flex-wrap: nowrap; }
body[data-gomb="b"] .catnav .chip { background: none; border: 0; border-radius: 0; padding: 12px 0 10px; font-weight: 600;
  color: var(--muted); border-bottom: 3px solid transparent; }
body[data-gomb="b"] .catnav .chip small { display: none; }
body[data-gomb="b"] .catnav .chip.on { color: var(--ink); background: none; border-color: var(--accent); }
body[data-gomb="b"] .catnav .chip.fav:not(.on) { color: var(--muted); }
body[data-gomb="b"] .catnav .chip.fav span::before { content: "★ "; color: #e0a100; }
/* C: icon tiles */
body[data-gomb="c"] .catnav .chips { display: grid; grid-auto-flow: column; grid-auto-columns: 104px; gap: 8px;
  padding: 12px 0; overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
body[data-gomb="c"] .catnav .chip { display: flex; flex-direction: column; align-items: center; gap: 4px; border-radius: 12px;
  padding: 10px 6px; font-weight: 600; font-size: 12.5px; text-align: center; white-space: normal; line-height: 1.2; }
body[data-gomb="c"] .catnav .chip i { display: block; font-size: 24px; line-height: 1.1; }
body[data-gomb="c"] .catnav .chip small { margin: 0; }
body[data-gomb="c"] .catnav .chip.on { background: color-mix(in srgb, var(--accent) 10%, var(--card)); color: var(--ink);
  border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
body[data-gomb="c"] .catnav .chip.on small { color: var(--muted); opacity: 1; }
body[data-gomb="c"] .catnav .chip.fav:not(.on) { color: var(--ink); }
@media (min-width: 1100px) { body[data-gomb="c"] .catnav .chips { grid-auto-flow: row; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); } }
/* D: colour tags */
body[data-gomb="d"] .catnav .chip { display: inline-flex; align-items: center; gap: 7px; border-radius: 8px; font-weight: 600;
  background: var(--card); padding: 6px 11px 6px 9px; }
body[data-gomb="d"] .catnav .chip::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--c); flex: none; }
body[data-gomb="d"] .catnav .chip small { margin-left: 2px; }
body[data-gomb="d"] .catnav .chip.on { background: var(--c); border-color: var(--c); color: #fff; }
body[data-gomb="d"] .catnav .chip.on::before { background: #fff; }
body[data-gomb="d"] .catnav .chip.on small { color: #fff; opacity: .85; }
body[data-gomb="d"] .catnav .chip.fav:not(.on) { color: var(--ink); }
body[data-gomb="a"] .chip.fav span::before { content: "★ "; }
/* E: compact capsule with icon */
body[data-gomb="e"] .catnav .chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px 5px 9px; }
body[data-gomb="e"] .catnav .chip i { display: inline; font-size: 15px; line-height: 1; }
body[data-gomb="e"] .chip.fav span::before { content: none; }
body[data-gomb="e"] .catnav .chip.fav:not(.on) { color: var(--ink); }
/* F: mini tiles – small icon above a short label */
body[data-gomb="f"] .catnav .chips { gap: 4px; padding: 8px 0; }
body[data-gomb="f"] .catnav .chip { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 74px;
  background: none; border: 0; border-radius: 10px; padding: 6px 8px; font-size: 12px; font-weight: 600; color: var(--muted); }
body[data-gomb="f"] .catnav .chip i { display: block; font-size: 20px; line-height: 1.2; }
body[data-gomb="f"] .catnav .chip small { display: none; }
body[data-gomb="f"] .catnav .chip:hover { background: var(--chip); }
body[data-gomb="f"] .catnav .chip.on { background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--accent); }
body[data-gomb="f"] .catnav .chip.fav:not(.on) { color: var(--muted); }
body[data-gomb="f"] .chip.fav span::before { content: none; }
/* G: icon in a coloured circle + label */
body[data-gomb="g"] .catnav .chip { display: inline-flex; align-items: center; gap: 7px; padding: 3px 12px 3px 3px; font-weight: 600; background: var(--card); }
body[data-gomb="g"] .catnav .chip i { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  font-size: 13px; background: color-mix(in srgb, var(--c) 16%, var(--card)); }
body[data-gomb="g"] .catnav .chip small { margin-left: 0; }
body[data-gomb="g"] .catnav .chip.on { background: var(--c); border-color: var(--c); color: #fff; }
body[data-gomb="g"] .catnav .chip.on i { background: #fff; }
body[data-gomb="g"] .catnav .chip.on small { color: #fff; opacity: .85; }
body[data-gomb="g"] .chip.fav span::before { content: none; }
body[data-gomb="g"] .catnav .chip.fav:not(.on) { color: var(--ink); }
/* F on phones: icons only, all visible in a grid */
@media (max-width: 820px) {
  body[data-gomb="f"] .catnav .chips { display: grid; grid-template-columns: repeat(9, 1fr);
    gap: 4px; overflow: visible; -webkit-mask-image: none; mask-image: none; padding: 8px 0; }
  body[data-gomb="f"] .catnav .chip { min-width: 0; padding: 7px 0; }
  body[data-gomb="f"] .catnav .chip span { display: none; }
  body[data-gomb="f"] .catnav .chip i { font-size: 22px; }
  body[data-gomb="f"] .catnav .chip.on { box-shadow: inset 0 0 0 1.5px var(--accent); }
}

/* video length */
.vid .dur { position: absolute; right: 6px; bottom: 6px; background: rgba(0,0,0,.8); color: #fff; font-size: 12px;
  font-weight: 600; padding: 1px 6px; border-radius: 4px; font-variant-numeric: tabular-nums; }
.vid .thumb .badge { right: auto; left: 6px; }
.tlist .tdur { display: inline-block; min-width: 4.2em; margin-left: 8px; font-weight: 600; color: var(--ink);
  font-variant-numeric: tabular-nums; font-size: 12.5px; text-align: right; }
.tlist.has-dur li { grid-template-columns: 11em minmax(0, 1fr) auto; }
@media (max-width: 520px) { .tlist.has-dur li { grid-template-columns: 1fr; } .tlist .tdur { text-align: left; min-width: 0; } }