:root {
  --bg: #f6f7f9; --panel: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #2f6fdf; --accent-text: #fff; --danger: #c93a3a; --hl: #fff6d6; --input: #fff;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --panel: #1d2128; --text: #e6e8ec; --muted: #9aa1ad; --line: #2e333c;
    --accent: #5b8ff0; --hl: #3a3420; --input: #161a20; --danger: #e06060; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
[hidden] { display: none !important; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px;
  border-bottom: 1px solid var(--line); background: var(--panel); }
.brand { font-weight: 600; color: var(--text); text-decoration: none; }
.load { color: var(--muted); font-size: 13px; }

main { max-width: 1180px; margin: 0 auto; padding: 24px; }
h1 { font-size: 24px; margin: 8px 0 8px; }
h2 { font-size: 15px; margin: 20px 0 8px; }
.lead { color: var(--muted); max-width: 720px; }
.hint { color: var(--muted); font-size: 13px; font-weight: normal; }
.note { color: var(--muted); font-size: 13px; }
.err { color: var(--danger); }
.sub { color: var(--muted); font-size: 13px; }

.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  border: 2px dashed var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 40px 16px; margin: 20px 0; cursor: pointer; text-align: center; transition: border-color .15s; }
.drop:hover, .drop.over { border-color: var(--accent); }
.drop.has { border-style: solid; border-color: var(--accent); }
.drop-main { font-size: 17px; }
.drop-sub { color: var(--muted); font-size: 13px; }

.opts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.opts label { display: flex; flex-direction: column; gap: 6px; font-weight: 500; }
.opts .wide { grid-column: 1 / -1; }
.row { display: flex; gap: 8px; }
.row input { width: 120px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--input);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
textarea { resize: vertical; }
@media (max-width: 640px) { .opts { grid-template-columns: 1fr; } main { padding: 16px; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel);
  color: var(--text); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--danger); }
.btn.big { padding: 12px 28px; font-size: 16px; }
.btn.small { padding: 3px 8px; font-size: 13px; }

.recent ul { list-style: none; padding: 0; margin: 0; }
.recent li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0;
  border-bottom: 1px solid var(--line); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.status { font-size: 17px; font-weight: 500; margin-bottom: 12px; }
.bar { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; }
.bar div { height: 100%; width: 0; background: var(--accent); transition: width .5s; }
.card .sub { margin-top: 8px; }
.actions { margin-top: 16px; }
.resume { margin-top: 16px; }

.edit-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.save { color: var(--muted); font-size: 13px; white-space: nowrap; padding-top: 14px; }
.player { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 0;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.player audio { flex: 1; min-width: 260px; }
.follow { color: var(--muted); font-size: 13px; }

.cols { display: grid; grid-template-columns: 300px 1fr; gap: 24px; align-items: start; }
.side { position: sticky; top: 70px; max-height: calc(100vh - 80px); overflow: auto; padding-right: 4px; }
.side h2:first-child { margin-top: 0; }
.side .btn { width: 100%; margin-bottom: 6px; }
.dl { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 6px; }
.dl .btn { margin: 0; }
.chk { display: block; margin: 8px 0 0; font-size: 14px; }
@media (max-width: 860px) {
  .cols { grid-template-columns: 1fr; }
  .side { position: static; max-height: none; overflow: visible; }
}

.spk { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px; margin-bottom: 8px; border-left: 4px solid var(--c); }
.spk-top { display: flex; gap: 6px; align-items: center; }
.spk-top input { flex: 1; min-width: 0; padding: 6px 8px; }
.side .spk-top .btn { width: auto; margin: 0; flex: none; }
.spk-info { color: var(--muted); font-size: 12px; margin-top: 6px; display: flex; justify-content: space-between;
  align-items: center; gap: 6px; }
.spk-info select { font-size: 12px; padding: 2px 4px; max-width: 150px; }

.utts { min-width: 0; }
.u { display: grid; grid-template-columns: 76px 1fr; gap: 4px 12px; padding: 8px 10px;
  border-radius: 8px; border-left: 3px solid var(--c); margin-bottom: 2px; }
.u.cur { background: var(--hl); }
.u-time { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; cursor: pointer;
  padding-top: 2px; }
.u-time:hover { color: var(--accent); }
.u-spk { font-size: 13px; font-weight: 600; color: var(--c); border: none; background: transparent;
  padding: 0; cursor: pointer; justify-self: start; max-width: 100%; }
.u-text { grid-column: 2; outline: none; border-radius: 4px; padding: 1px 2px; white-space: pre-wrap; }
.u-text:focus { box-shadow: 0 0 0 2px var(--accent); }
.u-head { grid-column: 2; display: flex; gap: 8px; align-items: center; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--text);
  color: var(--bg); padding: 10px 18px; border-radius: 8px; z-index: 20; }