:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f8fafc;
  --chip: #f1f5f9;
  --accent: #0e7490;
  --on-accent: #ffffff;
  --area: rgba(14, 116, 144, 0.10);
  --up: #047857;
  --down: #b91c1c;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --fg: #e2e8f0;
    --muted: #94a3b8;
    --line: #1e293b;
    --soft: #0f172a;
    --chip: #1e293b;
    --accent: #22d3ee;
    --on-accent: #04222a;
    --area: rgba(34, 211, 238, 0.12);
    --up: #34d399;
    --down: #f87171;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* header */
.top { border-bottom: 1px solid var(--line); background: var(--bg); }
.top .wrap { display: flex; align-items: center; gap: 22px; min-height: 60px; }
.logo { display: flex; align-items: center; gap: 9px; color: var(--fg); font-size: 19px; letter-spacing: -0.01em; }
.logo:hover { text-decoration: none; }
.logo svg { width: 28px; height: 28px; color: var(--accent); }
.logo svg rect + rect, .logo svg rect ~ rect { fill: var(--on-accent); }
.logo b { color: var(--accent); font-weight: 700; }
nav { display: flex; gap: 18px; }
nav a { color: var(--muted); font-weight: 500; }
nav a:hover { color: var(--fg); text-decoration: none; }
.search { margin-left: auto; flex: 0 1 280px; }
.search input {
  width: 100%; height: 38px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--soft); color: var(--fg); font: inherit;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* text */
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; margin: 30px 0 8px; overflow-wrap: anywhere; }
h2 { font-size: 18px; margin: 34px 0 12px; }
.lead { color: var(--muted); margin: 0 0 18px; max-width: 72ch; font-size: 16px; }
.small { font-size: 13px; }
.muted { color: var(--muted); }
.up { color: var(--up); }
.down { color: var(--down); }
.note { margin-top: 12px; }

/* language chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.chip {
  border: 1px solid var(--line); background: var(--chip); color: var(--fg);
  border-radius: 999px; padding: 5px 13px; font: inherit; font-size: 14px; cursor: pointer;
}
.chip span { color: var(--muted); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.chip[aria-pressed="true"] span { color: inherit; opacity: 0.8; }

/* rankings table */
.tablebox { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--soft); }
thead th { background: var(--soft); font-size: 13px; color: var(--muted); font-weight: 600; }
th button { all: unset; cursor: pointer; }
th button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
th[aria-sort="descending"], th[aria-sort="ascending"] { color: var(--fg); }
th[aria-sort="descending"] button::after { content: " ↓"; }
th[aria-sort="ascending"] button::after { content: " ↑"; }
.num { text-align: right; }
td.rank, th.rank { color: var(--muted); width: 1%; }
td.ch { white-space: normal; min-width: 210px; }
td.ch a { font-weight: 600; color: var(--fg); overflow-wrap: anywhere; }
td.ch a:hover { color: var(--accent); }
.handle { display: block; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.tag { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 6px; background: var(--chip); font-size: 12px; }
td.chg .pc { display: block; font-size: 12px; }

/* channel page */
.crumbs { font-size: 14px; color: var(--muted); margin: 24px 0 0; overflow-wrap: anywhere; }
.handleline { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); margin: 0 0 12px; }
.desc { white-space: pre-line; max-width: 75ch; overflow-wrap: anywhere; margin: 0 0 8px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 6px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: var(--soft); }
.card .k { font-size: 13px; color: var(--muted); }
.card .v { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; margin-top: 2px; }
.card .s { font-size: 13px; color: var(--muted); }
.chart { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 12px 4px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .l { fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linejoin: round; }
.chart .a { fill: var(--area); stroke: none; }
.chart .d { fill: var(--accent); }
.chart .g { stroke: var(--line); stroke-dasharray: 3 4; }
.chart text { fill: var(--muted); font-size: 12px; }
.posts { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); }
.posts li { padding: 12px 16px; border-bottom: 1px solid var(--line); }
.posts li:last-child { border-bottom: 0; }
.posts .meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); }
.posts .txt { margin: 4px 0 0; overflow-wrap: anywhere; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.list li a { overflow-wrap: anywhere; }

/* footer */
.foot { margin-top: 52px; padding-top: 16px; padding-bottom: 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.foot p { margin: 4px 0; }

@media (max-width: 720px) {
  .top .wrap { flex-wrap: wrap; gap: 10px 18px; padding-top: 10px; padding-bottom: 10px; }
  .search { flex: 1 1 100%; order: 3; }
  h1 { font-size: 24px; }
  .hide-sm { display: none; }
  .cols { grid-template-columns: 1fr; gap: 0; }
  th, td { padding: 9px 8px; }
  td.ch { min-width: 150px; }
  .card .v { font-size: 22px; }
  .cards { grid-template-columns: 1fr 1fr; }
}