:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --surface: #fffdf9;
  --surface-2: #f4efe6;
  --ink: #171717;
  --text: #2c2c2c;
  --muted: #73706a;
  --border: #e3dccf;
  --accent: #9f4d2f;
  --accent-2: #71331f;
  --ok: #1f7a4d;
  --warn: #a7651a;
  --bad: #b7352d;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: radial-gradient(circle at top left, #fff6e7 0, transparent 34rem), var(--bg); color: var(--text); }
.login-view { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(520px, 100%); display: grid; gap: 14px; }
.eyebrow.login-brand { margin: 0 0 18px; text-align: center; font-size: clamp(34px, 8vw, 56px); line-height: .95; letter-spacing: -.04em; color: var(--ink); text-transform: none; }
button, input, textarea, select { font: inherit; }
.shell { width: min(1120px, calc(100vw - 32px)); margin: 0 auto; padding: 32px 0 72px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 28px; padding: 10px 0; color: var(--ink); }
.topbar > div:first-child { display: inline-flex; align-items: center; gap: 10px; }
.topbar b { font-size: 15px; letter-spacing: -.02em; }
#userBadge { border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px; color: var(--muted); background: rgba(255,253,249,.8); font-size: 12px; font-weight: 800; }
.topbar-actions { display: inline-flex; align-items: center; gap: 10px; }
.hero { max-width: 780px; margin-bottom: 28px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; color: var(--ink); font-size: clamp(36px, 7vw, 72px); line-height: .96; letter-spacing: -.05em; }
h2 { margin: 0; color: var(--ink); font-size: 22px; letter-spacing: -.02em; }
.subhead { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; max-width: 760px; }
.card { background: rgba(255,253,249,.94); border: 1px solid var(--border); border-radius: 28px; padding: 24px; box-shadow: 0 24px 60px rgba(75, 52, 30, .08); margin-top: 18px; }
.generate-card { padding: 28px; }
.main-input-label, label { display: grid; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 700; }
.generate-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; margin-top: 8px; }
input, textarea, select { width: 100%; border: 1px solid var(--border); border-radius: 16px; background: #fff; color: var(--ink); outline: none; transition: border-color .18s, box-shadow .18s, background .18s; }
input, select { height: 48px; padding: 0 14px; }
textarea { padding: 14px; resize: vertical; line-height: 1.65; }
.main-input { height: 60px; font-size: 18px; border-radius: 20px; padding: 0 18px; }
input:focus-visible, textarea:focus-visible, select:focus-visible { border-color: rgba(159,77,47,.85); box-shadow: 0 0 0 4px rgba(159,77,47,.12); }
button, .download { border: 0; border-radius: 16px; padding: 0 18px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; text-decoration: none; font-weight: 800; transition: transform .12s, background .18s, opacity .18s; }
button:active, .download:active { transform: translateY(1px); }
button:disabled, .disabled { opacity: .45; pointer-events: none; }
.primary { min-height: 60px; min-width: 124px; border-radius: 20px; background: var(--ink); color: #fff; font-size: 18px; }
.primary:hover { background: #000; }
.ghost { background: var(--surface-2); color: var(--ink); border: 1px solid var(--border); }
.danger { background: #fff0ee; color: var(--bad); border: 1px solid #f0c7c1; }
.danger:hover { background: #ffe4df; }
.link-btn { min-height: auto; padding: 4px 0; background: transparent; color: var(--accent); border-radius: 8px; }
.download { background: var(--accent); color: white; }
.feishu-export { white-space: nowrap; }
.quick-hint { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.history-panel { padding: 20px; }
.history-list { display: grid; gap: 8px; }
.history-item { width: 100%; min-height: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; text-align: left; border: 1px solid var(--border); border-radius: 16px; background: #fff; padding: 13px 14px; color: var(--text); }
.history-item:hover { background: #fffaf1; border-color: rgba(159,77,47,.35); }
.history-item span { min-width: 0; display: grid; gap: 4px; }
.history-item b { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-item small { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-item strong { color: var(--accent); font-size: 13px; white-space: nowrap; }
.advanced { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border); display: grid; gap: 16px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.progress-actions { display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.history-select { min-width: 220px; max-width: 300px; height: 44px; border-radius: 14px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 800; }
.muted-card { opacity: .75; }
.progress-bar { height: 10px; border-radius: 999px; background: #eee5d8; overflow: hidden; margin-bottom: 18px; }
.progress-bar span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--accent), #d48b54); transition: width .35s ease; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stats-grid div { border-top: 1px solid var(--border); padding-top: 12px; min-width: 0; }
.stats-grid span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stats-grid strong { display: block; color: var(--ink); font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.error-text { margin: 18px 0 0; padding: 12px 14px; border-radius: 14px; background: #fff0ee; color: var(--bad); border: 1px solid #f0c7c1; line-height: 1.55; }
.warnings { margin-top: 12px; padding: 12px 14px; border-radius: 14px; background: #fff7e8; border: 1px solid #efd3a7; color: var(--warn); }
.warnings p { margin: 4px 0; }
.output-card textarea, .episode-main textarea { min-height: 520px; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; background: #101010; color: #f8f2e8; border-color: #242424; }
.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.workbench-grid { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 18px; align-items: start; }
.episode-sidebar { border: 1px solid var(--border); border-radius: 20px; background: #fff; padding: 14px; position: sticky; top: 16px; max-height: calc(100dvh - 32px); overflow: auto; }
.sidebar-title { font-size: 13px; font-weight: 900; color: var(--ink); margin-bottom: 10px; }
.episode-list { display: grid; gap: 8px; }
.empty-text { margin: 0; color: var(--muted); font-size: 13px; }
.episode-item { width: 100%; min-height: auto; justify-content: space-between; align-items: center; text-align: left; border: 1px solid var(--border); border-radius: 14px; background: #fffdf9; padding: 10px 11px; color: var(--text); font-weight: 700; }
.episode-item .episode-copy { display: grid; gap: 3px; min-width: 0; flex: 1; }
.episode-item b { color: var(--ink); }
.episode-item small { color: var(--muted); font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 170px; }
.episode-state { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 800; white-space: nowrap; margin-left: 10px; }
.episode-state i { width: 7px; height: 7px; border-radius: 999px; background: #b9b0a3; display: inline-block; }
.episode-item.succeeded .episode-state i { background: var(--ok); }
.episode-item.running .episode-state i { background: var(--accent); box-shadow: 0 0 0 4px rgba(159,77,47,.12); }
.episode-item.failed .episode-state i { background: var(--bad); }
.episode-item.candidate .episode-state i { background: var(--warn); }
.episode-item.active { border-color: rgba(159,77,47,.65); box-shadow: 0 0 0 3px rgba(159,77,47,.10); }
.episode-item.succeeded { background: #f7fff9; border-color: rgba(31,122,77,.25); }
.episode-item.running { background: #fff9f1; border-color: rgba(159,77,47,.45); }
.episode-item.failed { background: #fff8f7; border-color: rgba(183,53,45,.35); }
.episode-item.candidate { background: #fffdf3; border-color: rgba(167,101,26,.28); }
.episode-main { min-width: 0; display: grid; gap: 14px; }
.episode-headline { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.episode-headline h3 { margin: 0; color: var(--ink); font-size: 20px; letter-spacing: -.02em; }
.episode-headline p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.version-control { display: grid; grid-template-columns: auto minmax(180px, 260px); gap: 8px; align-items: center; flex-shrink: 0; }
.version-control label { color: var(--muted); font-size: 12px; font-weight: 900; }
.version-control select { height: 36px; border-radius: 999px; padding: 0 34px 0 12px; font-size: 12px; font-weight: 800; color: var(--ink); background: #fff; }
.editor-actions { display: flex; justify-content: flex-end; margin-top: -4px; }
.editor-actions .ghost { min-width: 104px; }
.review-panel { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end; border-top: 1px solid var(--border); padding-top: 14px; }
.review-panel textarea { min-height: 112px; background: #fff; color: var(--ink); border-color: var(--border); font-family: inherit; }
.compact { min-height: 48px; font-size: 14px; white-space: nowrap; }
@media (max-width: 900px) {
  .workbench-grid { grid-template-columns: 1fr; }
  .episode-sidebar { position: static; max-height: 260px; }
  .review-panel { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { width: min(100% - 20px, 1120px); padding: 34px 0 48px; }
  .topbar { align-items: flex-start; flex-direction: column; margin-bottom: 20px; }
  .topbar-actions { width: 100%; justify-content: flex-end; }
  .history-select { min-width: 100%; max-width: 100%; }
  .history-item { grid-template-columns: 1fr; }
  .history-item strong { white-space: normal; }
  .card, .generate-card { border-radius: 22px; padding: 18px; }
  .generate-row { grid-template-columns: 1fr; }
  .primary { width: 100%; }
  .two-col, .stats-grid { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .episode-headline { flex-direction: column; }
  .version-control { width: 100%; grid-template-columns: 44px 1fr; }
  .actions { width: 100%; }
  .actions > * { flex: 1; }
}