:root {
  color-scheme: light;
  --bg: #f6f8f4;
  --surface: #ffffff;
  --text: #203127;
  --muted: #6d7c72;
  --line: #dfe7df;
  --green: #2f7d4a;
  --green-soft: #eaf5ed;
  --yellow: #9a6815;
  --yellow-soft: #fff5d8;
  --red: #a33d3d;
  --red-soft: #ffeded;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; color: var(--text); background: var(--bg); }
button, a { font: inherit; }
.topbar { min-height: 84px; padding: 18px clamp(18px, 4vw, 54px); display: grid; grid-template-columns: 180px 1fr auto; gap: 20px; align-items: center; background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar p, .section-heading p { margin: 0 0 4px; color: var(--muted); font-size: 13px; }
.topbar h1, .section-heading h2 { margin: 0; }
.topbar h1 { font-size: 24px; }
.section-heading h2 { font-size: 18px; }
.back-link { color: var(--green); text-decoration: none; }
.evidence, .status { display: inline-flex; align-items: center; width: fit-content; padding: 5px 10px; border-radius: 999px; background: var(--yellow-soft); color: var(--yellow); font-size: 12px; }
main { width: min(1200px, calc(100% - 36px)); margin: 28px auto 54px; display: grid; gap: 20px; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metrics article, .panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.metrics article { padding: 18px; display: grid; gap: 6px; }
.metrics span, .metrics small { color: var(--muted); }
.metrics strong { font-size: 30px; }
.panel { padding: 20px; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-heading > span { color: var(--muted); font-size: 13px; }
.queue { display: grid; gap: 8px; }
.queue-row { display: grid; grid-template-columns: 62px 64px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.queue-row:first-child { border-top: 0; }
.queue-row strong { font-size: 14px; }
.queue-row small { color: var(--muted); }
.workspace { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 20px; align-items: start; }
.episode-tabs { display: grid; grid-template-columns: repeat(10, minmax(38px, 1fr)); gap: 6px; }
.episode-tabs button { border: 1px solid var(--line); border-radius: 9px; padding: 9px 4px; background: var(--surface); color: var(--muted); cursor: pointer; }
.episode-tabs button[aria-selected="true"] { background: var(--green); border-color: var(--green); color: #fff; }
.episode-detail { margin-top: 16px; display: grid; gap: 8px; }
.platform-row { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); }
.platform-row:first-child { border-top: 0; }
.platform-row strong { font-size: 14px; }
.status.done { background: var(--green-soft); color: var(--green); }
.status.wait { background: var(--yellow-soft); color: var(--yellow); }
.status.data { background: var(--red-soft); color: var(--red); }
.hypotheses { display: grid; gap: 12px; }
.hypothesis { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.hypothesis:last-child { border-bottom: 0; padding-bottom: 0; }
.hypothesis strong { display: block; margin: 4px 0; font-size: 14px; }
.hypothesis small { color: var(--muted); }
.error { margin: 0; color: var(--red); }
.nav-link { text-decoration: none; }
.editor-panel form, .baseline-panel form { display: grid; gap: 14px; }
.form-grid { display: grid; gap: 12px; }
.compact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.data-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.editor-panel label, .baseline-panel label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.editor-panel input, .editor-panel select, .editor-panel textarea, .baseline-panel input, .baseline-panel select { width: 100%; min-height: 40px; padding: 9px 10px; color: var(--text); border: 1px solid var(--line); border-radius: 9px; background: var(--surface); font: inherit; }
.editor-panel textarea { resize: vertical; }
.form-actions { display: flex; gap: 12px; align-items: center; }
.form-actions button { min-height: 40px; padding: 0 18px; color: #fff; border: 0; border-radius: 9px; background: var(--green); font-weight: 700; cursor: pointer; }
.form-actions span { color: var(--muted); font-size: 13px; }

@media (max-width: 800px) {
  .topbar { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace { grid-template-columns: 1fr; }
  .compact-grid, .data-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .episode-tabs { grid-template-columns: repeat(5, minmax(38px, 1fr)); }
  .queue-row { grid-template-columns: 54px 58px minmax(0, 1fr); }
  .queue-row .status { grid-column: 3; }
}

@media (max-width: 460px) {
  .metrics { grid-template-columns: 1fr; }
  .platform-row { grid-template-columns: 58px minmax(0, 1fr); }
  .platform-row .status { grid-column: 2; }
  .compact-grid, .data-grid { grid-template-columns: 1fr; }
}