:root {
  --bg: #0d0f12;
  --panel: #161a1f;
  --border: #262c34;
  --text: #e6e8eb;
  --muted: #8a939f;
  --gold: #d4a24c;
  --danger: #e05d5d;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.6 system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.hidden { display: none !important; }
.view { min-height: 100vh; }
.login-card { width: min(360px, 92vw); margin: 12vh auto; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px; display: flex; flex-direction: column; gap: 12px;
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 15px; margin: 28px 0 10px; color: var(--gold); font-weight: 500; }
.muted { color: var(--muted); margin: 0; }
label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 13px; }
input {
  background: #0b0d10; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; font: inherit;
}
input:focus { outline: 1px solid var(--gold); border-color: var(--gold); }
button {
  background: var(--gold); color: #14110b; border: 0; border-radius: 6px;
  padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer;
}
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
button:disabled { opacity: .55; cursor: not-allowed; }
.error { color: var(--danger); min-height: 20px; margin: 0; font-size: 13px; }
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
#tabs { display: flex; gap: 4px; margin-right: auto; }
#tabs button { background: transparent; color: var(--muted); font-weight: 400; padding: 6px 12px; }
#tabs button.active { color: var(--gold); border-bottom: 2px solid var(--gold); border-radius: 0; }
main { padding: 8px 24px 48px; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.metric { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.metric b { display: block; font-size: 22px; color: var(--gold); }
.metric span { color: var(--muted); font-size: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 400; }
td { color: var(--text); }
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  main { padding: 4px 16px 40px; }
  table { font-size: 12px; }
  th, td { padding: 6px; }
}

/* 内容管理：子页签、素材预览、自动质检结果 */
.subtabs { display: flex; gap: 6px; margin: 8px 0 14px; }
.subtabs button { background: transparent; color: var(--muted); border: 1px solid var(--border); font-weight: 400; }
.subtabs button.active { color: var(--gold); border-color: var(--gold); }
.upload-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
label.inline { flex-direction: row; align-items: center; gap: 10px; }
.qa-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin-bottom: 16px; }
.qa-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.qa-item { border: 1px solid var(--border); border-radius: 6px; padding: 10px; display: flex; flex-direction: column; gap: 2px; }
.qa-item b { font-weight: 500; color: var(--muted); font-size: 12px; }
.qa-item span { font-size: 15px; }
.qa-item em { font-style: normal; font-size: 12px; }
.qa-item.ok em { color: #6fcf97; }
.qa-item.bad em { color: var(--danger); }
.qa-item.unknown em { color: var(--gold); }
.qa-manual { border-left: 2px solid var(--gold); padding-left: 10px; margin: 14px 0; color: var(--muted); font-size: 13px; }
.qa-manual strong { color: var(--gold); font-weight: 500; }
.qa-bind { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
select {
  background: #0b0d10; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 10px; font: inherit;
}
.thumb { width: 46px; height: 61px; object-fit: cover; border-radius: 4px; border: 1px solid var(--border); display: block; }
.thumb-audio { width: 46px; height: 61px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 4px; color: var(--gold); }
td button { padding: 5px 10px; font-size: 12px; }
td button.ghost { padding: 5px 10px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; border: 1px solid var(--border); color: var(--muted); }
.badge.published { color: #6fcf97; border-color: #2f5f43; }
.badge.draft { color: var(--gold); border-color: #5a4620; }
.badge.superseded, .badge.rolled_back { color: var(--muted); }
.inline-form { flex-direction: row; flex-wrap: wrap; align-items: flex-end; margin-top: 12px; }
.inline-form label { flex: 1 1 140px; }
.inline-form button { flex: 0 0 auto; }