:root {
  --bg: #f7f7f5; --panel: #fff; --text: #1d1d1f; --muted: #6e6e73; --line: #e3e3e0;
  --accent: #e5484d; --accent-soft: #fde8e8; --ok: #2f9e44; --warn: #e8a317;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141415; --panel: #1d1d1f; --text: #ececec; --muted: #9a9a9f; --line: #2e2e31;
    --accent: #ff6369; --accent-soft: #3a1f21;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; }
.top { display: flex; align-items: center; gap: 24px; padding: 12px 20px;
  border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 2; flex-wrap: wrap; }
.logo { font-weight: 700; text-decoration: none; color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); }
nav a.active { color: var(--text); font-weight: 600; }
main { max-width: 960px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
input, textarea, select { font: inherit; color: inherit; background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; min-height: 80px; }
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--text);
  border-radius: 8px; padding: 7px 14px; cursor: pointer; text-decoration: none; white-space: nowrap; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.list { display: grid; gap: 10px; }
.rec { display: block; text-decoration: none; }
.rec:hover { border-color: var(--muted); }
.rec .title { font-weight: 600; }
.meta { color: var(--muted); font-size: 13px; }
.preview { color: var(--muted); font-size: 14px; margin-top: 4px; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.badge { font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--line); color: var(--muted); }
.badge.done { display: none; }
.badge.error { background: var(--accent-soft); color: var(--accent); }
.badge.processing, .badge.queued, .badge.uploading { color: var(--warn); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 16px 0; }
.tabs button { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
audio { width: 100%; margin: 8px 0; }
.seg { display: grid; grid-template-columns: 56px 1fr; gap: 8px; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.seg:hover { background: var(--line); }
.seg.now { background: var(--accent-soft); }
.seg .t { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 13px; padding-top: 1px; }
.md :first-child { margin-top: 0; }
.chat { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.msg { padding: 10px 14px; border-radius: 12px; max-width: 85%; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; white-space: pre-wrap; }
.msg.assistant { align-self: flex-start; background: var(--panel); border: 1px solid var(--line); }
.chat-layout { display: grid; grid-template-columns: 220px 1fr; gap: 16px; }
.convs { display: grid; gap: 4px; align-content: start; }
.convs a { padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.convs a.active { background: var(--panel); color: var(--text); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.code { font: 600 32px/1 ui-monospace, monospace; letter-spacing: 6px; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 18px; text-align: center; color: var(--muted); }
.drop.over { border-color: var(--accent); color: var(--accent); }
.err { color: var(--accent); }
@media (max-width: 680px) {
  .chat-layout, .grid2 { grid-template-columns: 1fr; }
}