/* blixt/phonon's pages: the demo and results (index.html) and the listening page. */
:root {
  color-scheme: light dark;
  --bg: #fbf5f2;
  --panel: #f5ebe6;
  --ink: #2b2422;
  --ink2: #5c514d;
  --muted: #8a7d78;
  --line: #e6dcd7;
  --accent: #e0625a;
  --link: #b3443c;
  --s-ours: #e0625a;
  --s-tts: #c4aea5;
  --s-cpu: #8a766e;
  --s-kokoro: #544641;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171312;
    --panel: #201a18;
    --ink: #f3ebe7;
    --ink2: #cbbfba;
    --muted: #9a8c86;
    --line: #362d2a;
    --accent: #f0857b;
    --link: #f39a91;
    --s-ours: #f0857b;
    --s-tts: #7d6b64;
    --s-cpu: #ad9a92;
    --s-kokoro: #d8cbc5;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", sans-serif;
  font-variant-numeric: tabular-nums;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 0.88em var(--mono); background: var(--panel); padding: 0.1em 0.35em; border-radius: 4px; }
pre { background: var(--panel); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font: 13.5px/1.55 var(--mono); }
pre code { background: none; padding: 0; font: inherit; }
:not(pre) > code { overflow-wrap: anywhere; }
button, select, textarea, input { font: inherit; color: inherit; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 44px); }

/* Top bar */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 14px; }
.mark { font-size: 20px; font-weight: 650; letter-spacing: -0.01em; color: var(--ink); }
.top nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.top nav a { color: var(--ink2); }
.top nav a.gh { color: var(--ink); font-weight: 600; }
@media (max-width: 720px) { .top nav a:not(.gh) { display: none; } }

/* First screen */
.hero h1 { font-size: clamp(27px, 3.2vw, 38px); line-height: 1.15; font-weight: 650; letter-spacing: -0.018em; margin: 4px 0 28px; max-width: 30ch; text-wrap: balance; }
.grid { display: grid; grid-template-columns: minmax(450px, 5fr) minmax(0, 6fr); gap: 40px 56px; align-items: start; }
@media (max-width: 1080px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.card { min-width: 0; }

/* Demo */
.demo { display: flex; flex-direction: column; gap: 12px; }
.field { position: relative; }
.demo textarea, .words {
  display: block; width: 100%; height: calc(4lh + 10px); margin: 0; border: 0; border-radius: 10px;
  background: var(--panel); padding: 10px 12px 0; font-size: 16px; line-height: 1.5; overflow: auto;
}
.demo textarea { resize: none; }
/* The spoken words, over the text they came from: clicks between words reach the text. */
.words { position: absolute; inset: 0; visibility: hidden; pointer-events: none; color: var(--ink); }
.words.on { visibility: visible; }
.demo textarea:focus, .demo select:focus-visible, .demo button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.controls select { border: 0; border-radius: 8px; background: var(--panel); padding: 8px 10px; width: 8em; }
.controls label { display: flex; align-items: center; gap: 8px; color: var(--ink2); font-size: 15px; }
.controls input[type="range"] { accent-color: var(--accent); width: 80px; }
.controls output { display: inline-block; width: 3.4em; }
.speak {
  margin-left: auto; border: 0; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 600;
  padding: 9px 0; cursor: pointer; width: 96px;
}
@media (prefers-color-scheme: dark) { .speak { color: #2a1210; } }
@media (max-width: 520px) {
  .controls select { width: 7em; }
  .controls input[type="range"] { width: 72px; }
  .speak { flex: 1 0 100%; margin-left: 0; padding: 11px; }
}
.speak:disabled { opacity: 0.5; cursor: default; }
.words span { border-radius: 4px; cursor: pointer; pointer-events: auto; transition: background 0.08s; }
.words span:hover { background: var(--panel); }
.words span.now { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .words span.now { color: #2a1210; } }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 6px; }
.stat { min-width: 0; }
.stat b { display: block; font-size: 22px; font-weight: 650; line-height: 1.2; letter-spacing: -0.01em; white-space: nowrap; }
.stat span { display: block; font-size: 12.5px; line-height: 1.35; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat.live b { color: var(--accent); }
@media (max-width: 520px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 14px; } }
.device { font-size: 12.5px; color: var(--muted); margin: 0; }

/* Charts */
.tabs { display: flex; gap: 2px; margin-bottom: 10px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  display: inline-flex; flex-direction: column; align-items: center; flex: none;
  border: 0; background: none; border-radius: 999px; padding: 5px 11px; font-size: 14.5px; color: var(--ink2); cursor: pointer; white-space: nowrap;
}
/* The bold label's width, kept by every tab, so selecting one moves nothing. */
.tabs button::after { content: attr(data-label); height: 0; overflow: hidden; visibility: hidden; font-weight: 600; user-select: none; }
.tabs button[aria-selected="true"] { background: var(--panel); color: var(--ink); font-weight: 600; }
.captions { display: grid; margin: 0 0 6px; }
.caption { grid-area: 1 / 1; font-size: 14px; color: var(--muted); margin: 0; }
.caption.off { visibility: hidden; }
/* Chart boxes take their size from CSS alone; the script draws to fit them. */
.bench, .chart-box { container-type: inline-size; }
.chart { position: relative; width: 100%; }
.bench .chart { height: clamp(250px, 62cqw, 310px); }
.chart-length .chart { height: clamp(240px, 50cqw, 360px); }
.chart-timing .chart { height: clamp(180px, 32cqw, 240px); }
.chart-quality .chart { height: 308px; }
@container (min-width: 560px) { .chart-quality .chart { height: 146px; } }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart text { fill: var(--ink2); font-size: 12.5px; }
.chart .val { fill: var(--ink); font-weight: 600; paint-order: stroke; stroke: var(--bg); stroke-width: 3px; stroke-linejoin: round; }
.chart .group { fill: var(--ink); font-size: 14px; font-weight: 500; }
.chart .group.you { fill: var(--link); }
.chart .axis { stroke: var(--line); stroke-width: 1.5; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .whisker { stroke: var(--ink); stroke-opacity: 0.45; stroke-width: 1.2; }
.chart .dnf { fill: none; stroke: var(--muted); stroke-dasharray: 4 3; stroke-width: 1.2; }
.chart rect.bar { transition: y 0.35s ease, height 0.35s ease; }
.chart .hot { stroke: var(--ink); stroke-width: 1.5; }
.chart .median { stroke: var(--ink); stroke-dasharray: 4 3; stroke-width: 1.2; }
.s-ours { fill: var(--s-ours); background: var(--s-ours); }
.s-gradiumWebgpu { fill: var(--s-tts); background: var(--s-tts); }
.s-gradiumCpu { fill: var(--s-cpu); background: var(--s-cpu); }
.s-kokoro { fill: var(--s-kokoro); background: var(--s-kokoro); }
@media (max-width: 480px) { .tabs button { padding: 4px 8px; font-size: 14px; } }
.tip {
  position: absolute; pointer-events: none; z-index: 2; background: var(--ink); color: var(--bg); border-radius: 8px;
  padding: 7px 10px; font-size: 13px; line-height: 1.4; white-space: nowrap; transform: translate(-50%, calc(-100% - 10px));
}
.tip b { font-weight: 600; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; color: var(--ink2); margin: 10px 0 0; padding: 0; list-style: none; }
.legend li { display: flex; align-items: center; gap: 7px; }
.legend button { display: flex; align-items: center; gap: 7px; border: 0; background: none; padding: 0; cursor: pointer; color: inherit; font: inherit; }
.legend button[aria-pressed="false"] { opacity: 0.4; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.note { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

/* The README, below the first screen */
.docs { margin-top: clamp(40px, 6vw, 72px); padding-bottom: 48px; }
.doc { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 0 40px; padding: 32px 0 32px; }
.doc > div:first-child { align-self: start; position: sticky; top: 20px; }
.doc h2 { font-size: 22px; line-height: 1.3; font-weight: 650; letter-spacing: -0.01em; margin: 0; }
.doc .body > * { max-width: 760px; }
.doc .body > .table, .doc .body > figure { max-width: none; }
.doc .body > :first-child { margin-top: 0; }
.doc h3 { font-size: 18px; font-weight: 650; margin: 34px 0 8px; }
.doc li { margin: 6px 0; }
.doc li::marker { color: var(--muted); }
.doc ol, .doc ul { padding-left: 1.3em; }
.doc figure { margin: 22px 0; }
.doc .chart-box { margin: 28px 0; }
.toc { list-style: none; padding: 0; margin: 14px 0 0; font-size: 14px; }
.toc li { margin: 4px 0; }
.toc a { color: var(--muted); }
@media (max-width: 860px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .doc > div:first-child { position: static; }
  .doc h2 { margin-bottom: 14px; }
  .toc { display: none; }
}
.table { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 7px 14px 7px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:not([align]), td:not([align]) { text-align: left; }
thead th { white-space: normal; vertical-align: bottom; min-width: 5em; }
tr:last-child td { border-bottom: 0; }
thead th { font-weight: 600; color: var(--ink2); }
td strong { color: var(--link); }

/* Listening */
.listen { display: grid; gap: 8px; margin: 18px 0; }
.listen select { border: 0; border-radius: 8px; background: var(--panel); padding: 8px 10px; width: 100%; }
.players { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px; }
.players button {
  display: flex; align-items: center; gap: 10px; text-align: left; border: 0; background: var(--panel);
  border-radius: 10px; padding: 9px 12px; cursor: pointer; font-size: 14.5px;
}
.players button[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--accent); }
.players i { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.players small { display: block; color: var(--muted); font-size: 12.5px; }
.lp h1 { font-size: clamp(26px, 3vw, 34px); line-height: 1.2; letter-spacing: -0.015em; margin: 8px 0 10px; }
.lp > p { max-width: 760px; color: var(--ink2); }
.lp td audio { width: 13rem; }
.lp small { font-weight: 400; color: var(--muted); }
.lp td, .lp th { white-space: normal; vertical-align: middle; }
.lp tbody th { font-weight: 400; max-width: 24rem; }