:root {
  --bg: #ffffff; --fg: #1a1a1a; --muted: #6b7280; --line: #e5e7eb;
  --card: #f9fafb; --accent: #2563eb; --err: #dc2626; --ok: #059669;
  --warn: #d97706; --mark: #fef08a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --fg: #e8e8ea; --muted: #9ca3af; --line: #262a33;
    --card: #171a21; --accent: #60a5fa; --err: #f87171; --ok: #34d399;
    --warn: #fbbf24; --mark: #854d0e;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.65 -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
main { max-width: 860px; margin: 0 auto; padding: 24px 18px 80px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 6px; }
h2 { font-size: 1.1rem; margin: 24px 0 10px; }
h3 { font-size: .95rem; margin: 18px 0 6px; color: var(--muted); }

header {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 600; color: var(--fg); }
header nav { margin-left: auto; display: flex; gap: 16px; align-items: center; }
.who { color: var(--muted); font-size: .85rem; }

input, button, select {
  font: inherit; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg);
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  background: var(--accent); color: #fff; border: none; cursor: pointer; font-weight: 500;
}
button:hover { filter: brightness(1.08); }
button.link { background: none; color: var(--err); padding: 2px 4px; font-weight: 400; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; margin: 18px 0;
}
.upload form { display: flex; flex-direction: column; gap: 10px; }
.hint { color: var(--muted); font-size: .85rem; margin: 6px 0 0; }
.empty { color: var(--muted); padding: 20px 0; }
.err { color: var(--err); }
.back { display: inline-block; margin-bottom: 14px; font-size: .9rem; }

.searchbar { display: flex; gap: 8px; align-items: center; margin: 18px 0; }
.searchbar input { flex: 1; }
.clear { font-size: .85rem; color: var(--muted); }

.list { list-style: none; padding: 0; margin: 0; }
.list li { border-bottom: 1px solid var(--line); }
.list a { display: block; padding: 14px 4px; color: var(--fg); }
.list a:hover { background: var(--card); text-decoration: none; }
.row { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.t { font-weight: 600; }
.meta { color: var(--muted); font-size: .82rem; }
.snip { color: var(--muted); font-size: .88rem; margin: 6px 0 0; }
mark { background: var(--mark); color: inherit; padding: 0 2px; border-radius: 2px; }

.badge { font-size: .75rem; padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.s-done { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.s-processing, .s-pending { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.s-failed { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }

audio { width: 100%; margin: 14px 0; }

.working { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.spinner {
  width: 16px; height: 16px; border: 2px solid var(--line);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .8s linear infinite; flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.working .hint { width: 100%; }
.failed { border-color: var(--err); }
.failed pre { white-space: pre-wrap; color: var(--err); font-size: .85rem; margin: 8px 0; }

.summary { margin: 0; }
.transcript {
  white-space: pre-wrap; word-break: break-word; font: inherit;
  margin: 10px 0 0; max-height: 70vh; overflow-y: auto;
}
.dl { font-size: .85rem; }

table { border-collapse: collapse; width: 100%; margin-top: 8px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: .9rem; }
th { color: var(--muted); font-weight: 500; }

.gloss-form { display: flex; gap: 8px; flex-wrap: wrap; }
.gloss-form input { flex: 1; min-width: 160px; }

.danger { margin-top: 40px; }
.danger button { background: none; color: var(--err); border: 1px solid var(--err); }

.login { max-width: 320px; margin: 14vh auto; text-align: center; }
.login form { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }

@media (max-width: 600px) {
  .row { flex-direction: column; align-items: flex-start; gap: 4px; }
  header { gap: 10px; }
}

.secondary { margin-top: 30px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.secondary button { background: none; color: var(--muted); border: 1px solid var(--line); }
.secondary .hint { margin: 0; }