:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #1c2330;
  --text-2: #5b6472;
  --border: #dfe3ea;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --danger: #dc2626;
  --ok: #0f9d58;
  --warn: #b45309;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --surface: #171b24;
    --surface-2: #1f2532;
    --text: #e8ebf1;
    --text-2: #9aa3b2;
    --border: #2a3140;
    --accent: #60a5fa;
    --accent-soft: #1e293b;
    --danger: #f87171;
    --ok: #34d399;
    --warn: #fbbf24;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px 64px;
}

.app-header {
  padding: 22px 16px 14px;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: #fff;
}
.app-header .container { padding-bottom: 0; }
.app-header h1 { margin: 0 0 2px; font-size: 22px; }
.app-header .subtitle { margin: 0; opacity: 0.9; font-size: 13px; }

.toolbar {
  display: flex;
  gap: 10px;
  margin: 16px 0 12px;
}
.search-bar {
  flex: 1;
  display: flex;
  gap: 8px;
}
.search-bar input {
  flex: 1;
  min-width: 0;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
}
.search-bar input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
select {
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
}
.chip-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.count { font-size: 13px; color: var(--text-2); margin: 0 0 10px; }

.state-msg { padding: 32px 0; text-align: center; color: var(--text-2); }

.cards { display: grid; gap: 12px; }

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  color: var(--text);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card-top { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.card-title { margin: 0 0 4px; font-size: 16px; line-height: 1.35; }
.card-channel { margin: 0 0 8px; font-size: 13px; color: var(--text-2); }
.card-summary {
  margin: 0;
  font-size: 13px;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
}
.badge-native { background: #d1fae5; color: #065f46; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-transcribing { background: #dbeafe; color: #1e40af; }
.badge-ready { background: #d1fae5; color: #065f46; }
.badge-failed { background: #fee2e2; color: #991b1b; }
.badge-neutral { background: var(--surface-2); color: var(--text-2); }
.lang-badge {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  .badge-native { background: #064e3b; color: #a7f3d0; }
  .badge-pending { background: #78350f; color: #fde68a; }
  .badge-transcribing { background: #1e3a8a; color: #bfdbfe; }
  .badge-ready { background: #064e3b; color: #a7f3d0; }
  .badge-failed { background: #7f1d1d; color: #fecaca; }
}

/* Detail page */
.back { display: inline-block; margin: 16px 0 12px; font-size: 14px; }

.detail { display: grid; gap: 16px; }
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.section h2 { margin: 0 0 10px; font-size: 16px; }
.hero-title { margin: 0 0 6px; font-size: 20px; line-height: 1.4; }
.hero-channel { margin: 0 0 10px; color: var(--text-2); font-size: 14px; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; }

.meta-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.meta-table td { padding: 6px 0; vertical-align: top; }
.meta-table td:first-child { width: 96px; color: var(--text-2); }
.meta-table .url { word-break: break-all; }

.summary-text { margin: 0; font-size: 14px; }

.copy-row { display: flex; gap: 8px; }
.copy-row input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
}
.hint { margin: 8px 0 0; font-size: 12px; color: var(--text-2); }

.download-list { display: grid; gap: 8px; }
.download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}
.download-link .tag { color: var(--text-2); font-size: 12px; }
.download-link.is-muted { color: var(--text-2); }

.panel {
  border: 1px solid var(--border);
  border-left: 4px solid var(--warn);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--surface);
}
.panel p { margin: 0 0 10px; font-size: 14px; }
.panel-failed { border-left-color: var(--danger); }
.panel-ok { border-left-color: var(--ok); }

.mode-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.mode-tab {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.mode-tab-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.transcript-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.transcript-item {
  display: grid;
  gap: 2px;
  font-size: 15px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}
.transcript-item:last-child { border-bottom: 0; }
.transcript-time { font-size: 12px; color: var(--accent); font-variant-numeric: tabular-nums; }
.transcript-orig { color: var(--text); }
.transcript-zh { color: var(--text-2); }

/* 404 */
.notfound { text-align: center; padding: 48px 16px; }
.notfound h1 { font-size: 26px; }
.notfound p { color: var(--text-2); }

footer { text-align: center; color: var(--text-2); font-size: 12px; padding: 24px 0; }