/* studio-ui/style.css — the studio's design system. Same palette family as the motion
   players (bg #0d0d12, indigo accent), applied in the beautify doctrine's own order:
   hierarchy and composition, typography, spacing rhythm (4px grid), color/contrast/
   surfaces, responsive behavior, interaction states. One coherent idea — a quiet dark
   inspector with a single indigo accent — and zero dependencies: system fonts only,
   nothing fetched from outside this directory. */

:root {
  color-scheme: dark;

  /* surfaces, darkest to lightest — each step is one elevation, never decoration */
  --bg: #0d0d12;
  --bg-rail: #101016;
  --surface: #14141b;
  --surface-2: #191923;
  --surface-3: #1f1f2b;
  --border-soft: #1d1d26;
  --border: #26262e;
  --border-strong: #33334a;

  /* text, three steps only */
  --text: #e8e8ee;
  --text-2: #b8b8c6;
  --text-3: #9a9aa8;

  /* the one accent + semantic tints */
  --accent: #6a6af0;
  --accent-text: #9f9ff5;
  --accent-soft: rgba(106, 106, 240, 0.16);
  --pos: #8fe38f; --pos-bg: #14231c; --pos-border: #2c4a2c;
  --neg: #e38f8f; --neg-bg: #231414; --neg-border: #4a2c2c;
  --warn: #e3c98f; --warn-strong: #c9a34a;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }
::selection { background: var(--accent-soft); }

body {
  margin: 0; min-height: 100vh; display: flex;
  background: var(--bg); color: var(--text);
  font: 14px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-sm); }

code {
  font-family: var(--mono); font-size: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 2px 6px;
}

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

/* thin, quiet scrollbars everywhere */
* { scrollbar-width: thin; scrollbar-color: #2a2a36 transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2a2a36; border-radius: 8px; border: 3px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }

/* interaction states share one gentle transition; killed under reduced motion */
a, button, .card.session, #rail a.round, .tabs a, .transcript .seg {
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ── rail ─────────────────────────────────────────────────────────────────── */
nav#rail {
  width: 272px; flex-shrink: 0; height: 100vh; position: sticky; top: 0; overflow-y: auto;
  border-right: 1px solid var(--border-soft); padding: 20px 12px 24px; background: var(--bg-rail);
}
#rail .brand { display: flex; gap: 10px; align-items: center; padding: 0 8px 4px; }
#rail .brand .mark {
  width: 26px; height: 26px; flex-shrink: 0; border-radius: 7px;
  background: var(--surface-3); border: 1px solid var(--border-strong); position: relative;
}
#rail .brand .mark::after {
  content: ""; position: absolute; left: 10px; top: 8px;
  border: 5px solid transparent; border-left: 8px solid var(--accent); border-right: 0;
}
#rail .brand .brand-name { font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
#rail .brand small { display: block; color: var(--text-3); font-weight: 400; font-size: 11.5px; margin-top: 1px; }

#rail .group { margin-top: 20px; }
#rail .group > .group-title {
  color: var(--text-3); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 0 8px 6px;
}
#rail a.round { display: block; padding: 8px 10px; border-radius: var(--radius); color: var(--text); margin: 2px 0; }
#rail a.round:hover { background: var(--surface-2); text-decoration: none; }
#rail a.round.active { background: var(--surface-3); box-shadow: inset 2px 0 0 var(--accent); }
#rail a.round .label {
  display: block; font-size: 13px; font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#rail a.round .meta {
  display: flex; gap: 8px; align-items: center; margin-top: 3px;
  font-size: 11.5px; color: var(--text-3);
}
#rail a.round .meta .count { font-variant-numeric: tabular-nums; }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; background: var(--text-3); }
.dot.s-complete { background: var(--pos); }
.dot.s-pending { background: var(--warn); }
.dot.s-pass { background: var(--pos); }
.dot.s-fail { background: var(--neg); }
.dot.s-error { background: var(--text-3); }
#rail .empty { color: var(--text-3); padding: 16px 8px; font-size: 13px; line-height: 1.6; }

/* machine (rig) runs in the rail: gym titles link to the gym view; every row is tagged */
#rail a.group-title { display: block; }
#rail a.group-title:hover { color: var(--accent-text); text-decoration: none; }
#rail a.group-title.active { color: var(--accent-text); }
#rail a.round .meta .machine-tag {
  color: var(--warn); font-size: 10px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── main ─────────────────────────────────────────────────────────────────── */
main#view { flex: 1; min-width: 0; padding: 28px 36px 72px; }
main#view > * { max-width: 1024px; }

h1 { font-size: 21px; font-weight: 650; letter-spacing: -0.015em; line-height: 1.25; margin: 0 0 6px; }
.page-head h1::first-letter { text-transform: uppercase; }
h2 {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3); margin: 0 0 12px;
}
.dim { color: var(--text-3); }
.small { font-size: 12px; }
.lede { color: var(--text-2); font-size: 15px; max-width: 56ch; margin: 0 0 20px; }

.page-head { margin-bottom: 4px; }
.page-head .meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 6px 0 0; font-size: 12.5px; color: var(--text-3); }
.page-head .meta code { font-size: 11px; padding: 1px 5px; color: var(--text-3); }
.page-head .links { display: flex; gap: 16px; margin: 10px 0 0; font-size: 13px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px; margin: 14px 0;
}
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
.banner { border-left: 3px solid var(--warn-strong); }
.banner.neg { border-left-color: var(--neg); }

/* ── chips ────────────────────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11.5px; font-weight: 500; line-height: 1.5;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  vertical-align: middle; white-space: nowrap;
}
.chip.status-complete { color: var(--pos); border-color: var(--pos-border); background: var(--pos-bg); }
.chip.status-pending { color: var(--warn); border-color: #4a3f2c; background: #231e14; }
.chip.status-expired { color: var(--text-3); }
.chip.kind { color: var(--accent-text); border-color: var(--border-strong); background: var(--accent-soft); }
.chip.verdict { color: var(--text); background: var(--surface-3); border-color: var(--border-strong); }
.chip.pos { color: var(--pos); border-color: var(--pos-border); background: var(--pos-bg); }
.chip.neg { color: var(--neg); border-color: var(--neg-border); background: var(--neg-bg); }
.chip.neu { color: var(--text-2); }
button.chip.time {
  color: var(--accent-text); border-color: var(--border-strong);
  font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 11px;
}
button.chip.time::before { content: "▸"; font-size: 9px; }
button.chip.time:hover { background: var(--accent-soft); border-color: var(--accent); }
/* the machine badge: a rig run must never read as a human session */
.chip.machine {
  color: var(--warn); border-color: #4a3f2c; background: #231e14;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── tabs: one underline, no boxes ────────────────────────────────────────── */
.tabs { display: flex; gap: 22px; border-bottom: 1px solid var(--border); margin: 18px 0 6px; }
.tabs a {
  padding: 8px 2px 10px; margin-bottom: -1px; color: var(--text-3);
  font-size: 13.5px; font-weight: 500; border-bottom: 2px solid transparent;
}
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); }

/* ── overview ─────────────────────────────────────────────────────────────── */
.verdict-row { display: grid; grid-template-columns: minmax(120px, max-content) 1fr 3ch; gap: 14px; align-items: center; padding: 5px 0; }
.verdict-row .meter { height: 6px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.verdict-row .meter > span { display: block; height: 100%; border-radius: 999px; background: var(--accent); }
.verdict-row .count { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-2); font-size: 13px; }

table.qmatrix { border-collapse: collapse; width: 100%; }
table.qmatrix th, table.qmatrix td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
table.qmatrix th {
  color: var(--text-3); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; padding-top: 0;
}
table.qmatrix td:first-child { padding-left: 0; }
table.qmatrix th:first-child { padding-left: 0; }
table.qmatrix tr:last-child td { border-bottom: 0; }
table.qmatrix tbody tr:hover td, table.qmatrix tr:hover td { background: rgba(255, 255, 255, 0.015); }
table.qmatrix td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.score {
  display: inline-block; min-width: 32px; text-align: center;
  border-radius: var(--radius-sm); padding: 1px 5px; margin-right: 4px;
  font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 11.5px;
  border: 1px solid var(--border); color: var(--text-2); background: var(--surface-2);
}
.score.pos { color: var(--pos); background: var(--pos-bg); border-color: var(--pos-border); }
.score.neg { color: var(--neg); background: var(--neg-bg); border-color: var(--neg-border); }
.mean { font-weight: 600; }
.mean.pos { color: var(--pos); }
.mean.neg { color: var(--neg); }
.mean.zero { color: var(--text-3); }

/* ── findings: sentiment reads from the card edge ─────────────────────────── */
.finding { padding-left: 17px; border-left-width: 3px; }
.finding.s-pos { border-left-color: var(--pos-border); }
.finding.s-neg { border-left-color: var(--neg-border); }
.finding .head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.finding .head .title { font-weight: 600; font-size: 15px; letter-spacing: -0.005em; }
.finding .body { margin: 8px 0 0; color: var(--text-2); max-width: 72ch; }
.finding .coverage { margin-top: 8px; }
.finding .evidence { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.tag { color: var(--accent-text); font-size: 12px; }

/* ── sessions list: real links, visible affordance ────────────────────────── */
a.card.session { display: block; color: inherit; position: relative; padding-right: 44px; }
a.card.session:hover { text-decoration: none; background: var(--surface-2); border-color: var(--border-strong); }
a.card.session::after {
  content: "›"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  color: var(--text-3); font-size: 18px;
}
a.card.session:hover::after { color: var(--text); }
.session-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.session-head .when { color: var(--text-3); font-size: 12px; margin-left: auto; }
.session-head + h2 { margin-top: 16px; }
.session-note { margin: 8px 0 0; color: var(--text-2); }
.session-badges { display: flex; gap: 6px; margin-top: 10px; }

/* ── one session: player, timeline, transcript ────────────────────────────── */
.session-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 18px; align-items: start; }
.session-grid > .side { position: sticky; top: 24px; }
@media (max-width: 960px) {
  .session-grid { grid-template-columns: 1fr; }
  .session-grid > .side { position: static; }
}
video {
  width: 100%; display: block; border-radius: var(--radius-lg);
  background: #000; border: 1px solid var(--border);
}
.timeline { position: relative; height: 26px; margin: 10px 2px 0; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 12px; height: 2px;
  border-radius: 1px; background: var(--surface-3);
}
.timeline .pin {
  position: absolute; top: 8px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg); transform: translateX(-5px);
}
.timeline .pin.comment { background: var(--warn-strong); }
.timeline .pin:hover { box-shadow: 0 0 0 3px var(--accent-soft); }
.timeline .pin-range {
  position: absolute; top: 11px; height: 4px; min-width: 4px; border-radius: 2px;
  background: var(--accent-soft);
}
.timeline .pin-range:hover { background: var(--accent); }

/* key moments: the session's insight rail — evidence + anchored comments, click to seek */
.moments { display: flex; flex-direction: column; gap: 2px; margin: 0 -8px; }
button.moment {
  display: block; width: 100%; text-align: left; padding: 7px 8px 8px 10px;
  border-radius: var(--radius-sm); border-left: 2px solid var(--border-strong);
}
button.moment:hover { background: var(--surface-2); }
button.moment.s-pos { border-left-color: var(--pos-border); }
button.moment.s-neg { border-left-color: var(--neg-border); }
button.moment.comment { border-left-color: var(--warn-strong); }
.moment .head-row { display: flex; gap: 8px; align-items: baseline; }
.moment .time {
  font-family: var(--mono); font-size: 11px; color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}
.moment .text { display: block; margin-top: 2px; color: var(--text-2); font-size: 13px; line-height: 1.5; }
.moment:hover .text { color: var(--text); }

.transcript { max-height: min(440px, calc(100vh - 240px)); overflow-y: auto; margin: 0 -8px; padding: 0 8px; }
.transcript .seg { display: flex; gap: 10px; padding: 5px 8px; border-radius: var(--radius-sm); cursor: pointer; }
.transcript .seg:hover { background: var(--surface-2); }
.transcript .seg.active { background: var(--surface-3); box-shadow: inset 2px 0 0 var(--accent); }
.transcript .seg .t {
  color: var(--text-3); font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 11px; flex-shrink: 0; padding-top: 3px;
}
.transcript .seg span:last-child { color: var(--text-2); }
.transcript .seg.active span:last-child { color: var(--text); }
.transcript .marker { color: var(--warn-strong); padding: 5px 8px; font-size: 12px; }

ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 7px 0; border-bottom: 1px solid var(--border-soft); }
ul.plain li:last-child { border-bottom: 0; }

/* ── machine runs: gym chart, run sparkline, screenshots strip ────────────── */
.fps-chart { width: 100%; height: auto; display: block; }
.fps-chart .grid { stroke: var(--border-soft); stroke-width: 1; }
.fps-chart .axis { fill: var(--text-3); font-size: 10px; font-family: var(--mono); }
.fps-chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.fps-chart .line.avg { stroke: var(--accent); }
.fps-chart .line.low { stroke: var(--text-3); stroke-width: 1.5; stroke-dasharray: 4 4; opacity: 0.7; }
.fps-chart .pt { fill: var(--accent); stroke: var(--bg); stroke-width: 1.5; }
.fps-chart .pt.fail { fill: var(--neg); }
.fps-chart .pt.error { fill: var(--text-3); }
.chart-legend { display: flex; gap: 16px; margin-top: 8px; font-size: 11.5px; color: var(--text-3); }
.chart-legend .key { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend .key::before { content: ""; width: 14px; border-top: 2px solid var(--accent); }
.chart-legend .key.low::before { border-top: 2px dashed var(--text-3); }
.fail-note { display: block; margin-top: 3px; max-width: 32ch; white-space: normal; }

.perf-stats {
  display: flex; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.perf-stats b { color: var(--text); font-weight: 600; }
.fps-spark { width: 100%; height: 64px; display: block; margin-top: 10px; }
.fps-spark polyline { fill: none; stroke: var(--accent); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.fps-spark .base { stroke: var(--border-soft); stroke-width: 1; vector-effect: non-scaling-stroke; }

.shots { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
button.shot { flex-shrink: 0; width: 148px; text-align: left; }
.shot img { width: 100%; display: block; border-radius: var(--radius-sm); border: 1px solid var(--border); background: #000; }
.shot:hover img { border-color: var(--accent); }
.shot .cap { display: block; margin-top: 4px; font-size: 11px; color: var(--text-3); font-family: var(--mono); }
ul.plain li.warn-item { color: var(--warn); }

/* ── home / empty states ──────────────────────────────────────────────────── */
ol.steps { margin: 0; padding-left: 20px; }
ol.steps li { padding: 5px 0; color: var(--text-2); }
ol.steps li::marker { color: var(--accent-text); font-weight: 600; }

/* ── responsive: the rail folds above the content ─────────────────────────── */
@media (max-width: 840px) {
  body { flex-direction: column; }
  nav#rail {
    position: static; width: 100%; height: auto; max-height: 42vh;
    border-right: 0; border-bottom: 1px solid var(--border-soft);
  }
  main#view { padding: 20px 16px 56px; }
}