/* ═══════════ 剧词 CineVocab · 影院暗色 ═══════════ */
:root {
  --bg: #0b0d12;
  --bg-2: #12151d;
  --bg-3: #191d27;
  --line: #262b38;
  --ink: #eef0f4;
  --ink-2: #9aa1b0;
  --ink-3: #5c6270;
  --gold: #e8b45a;
  --gold-2: #f3cf8b;
  --red: #d4644f;
  --green: #7fb069;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: radial-gradient(120% 90% at 50% 0%, #141824 0%, var(--bg) 55%);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* 胶片颗粒 */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 999; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── 导航 ── */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 48px; position: sticky; top: 0; z-index: 50;
  background: linear-gradient(180deg, rgba(11,13,18,.92), rgba(11,13,18,.75) 70%, transparent);
  backdrop-filter: blur(8px);
}
.brand { font-family: var(--serif); font-size: 22px; letter-spacing: 2px; }
.brand-dot { color: var(--gold); }
.brand-en { font-size: 11px; letter-spacing: 5px; color: var(--ink-3); margin-left: 10px; }
.nav-tabs { display: flex; gap: 6px; }
.tab {
  background: none; border: none; color: var(--ink-2); font-size: 15px;
  font-family: var(--sans); padding: 9px 20px; border-radius: 99px; cursor: pointer;
  transition: all .25s; white-space: nowrap;
}
.tab:hover { color: var(--ink); }
.tab.active { background: var(--bg-3); color: var(--gold-2); }

.page { display: none; min-height: calc(100vh - 80px); }
.page.active { display: block; }
.hidden { display: none !important; }

/* ── 今晚 ── */
.hero { text-align: center; padding: 96px 24px 40px; }
.hero-kicker { font-size: 12px; letter-spacing: 7px; color: var(--gold); margin-bottom: 26px; }
.hero-title {
  font-family: var(--serif); font-size: 56px; line-height: 1.25; font-weight: 400;
  margin-bottom: 22px;
}
.hero-sub { color: var(--ink-2); font-size: 16px; margin-bottom: 26px; }

/* 词汇档位 */
.band-row { display: flex; gap: 8px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin-bottom: 34px; }
.band-label { font-size: 12px; letter-spacing: 3px; color: var(--ink-3); margin-right: 6px; }
.band-chip {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 99px;
  color: var(--ink-2); padding: 8px 18px; font-size: 14px; cursor: pointer;
  font-family: var(--sans); transition: all .2s; white-space: nowrap;
}
.band-chip:hover { color: var(--ink); }
.band-chip.active {
  border-color: var(--gold); color: var(--gold-2);
  background: rgba(232,180,90,.08);
}
.band-chip.disabled { opacity: .35; cursor: not-allowed; }

/* PlayPhrase 真实片段字幕条 */
.pp-caption {
  padding: 14px 18px 4px; text-align: left;
}
.pp-movie { font-size: 12px; letter-spacing: 2px; color: var(--ink-3); text-transform: uppercase; }
.pp-text { font-family: var(--serif); font-size: 19px; line-height: 1.5; margin-top: 6px; }
.pp-text .hl { color: var(--gold-2); font-style: italic; }
.clip-loading {
  display: flex; align-items: center; justify-content: center; min-height: 220px;
  color: var(--gold-2); font-size: 15px; letter-spacing: 1px;
  background: var(--bg-3); border-radius: 18px;
}
.btn-gold {
  background: linear-gradient(140deg, var(--gold-2), var(--gold));
  color: #241a08; border: none; font-size: 16px; font-weight: 600;
  padding: 15px 42px; border-radius: 99px; cursor: pointer; font-family: var(--sans);
  box-shadow: 0 8px 32px rgba(232,180,90,.22);
  transition: transform .2s, box-shadow .2s;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(232,180,90,.3); }
.btn-ghost {
  background: none; border: 1px solid var(--line); color: var(--ink-2);
  font-size: 15px; padding: 14px 30px; border-radius: 99px; cursor: pointer;
  transition: all .2s; font-family: var(--sans); white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-2); }

.stats-row {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  padding: 28px 48px 80px;
}
.stat-card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 34px; min-width: 176px; text-align: center;
}
.stat-num { font-family: var(--serif); font-size: 38px; color: var(--gold-2); }
.stat-label { font-size: 13px; color: var(--ink-3); margin-top: 8px; letter-spacing: 2px; }

/* ── 学习卡 ── */
.learn-stage { max-width: 860px; margin: 0 auto; padding: 40px 24px 90px; }
.learn-empty { text-align: center; color: var(--ink-3); padding: 130px 0; font-size: 17px; }
.word-card {
  background: linear-gradient(165deg, var(--bg-2), #0e1118);
  border: 1px solid var(--line); border-radius: 26px;
  padding: 40px 48px 30px; min-height: 0; position: relative;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
  animation: rise .45s cubic-bezier(.2,.8,.25,1);
}
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.card-progress { position: absolute; top: 26px; right: 34px; font-size: 13px; color: var(--ink-3); letter-spacing: 2px; }

.card-front { text-align: center; padding: 40px 0 16px; }

/* 新词四键分流 */
.front-actions.triage { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.triage-btn {
  flex: 0 1 auto; min-width: 132px; padding: 15px 20px 12px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--bg-3); color: var(--ink);
  font-size: 16px; cursor: pointer; font-family: var(--sans); transition: all .18s;
  display: flex; flex-direction: column; align-items: center; gap: 5px; white-space: nowrap;
}
.triage-btn:hover { transform: translateY(-2px); }
.triage-btn.t-no:hover { border-color: var(--red); color: var(--red); }
.triage-btn.t-fuzzy:hover { border-color: #d8a24a; color: #d8a24a; }
.triage-btn.t-know:hover { border-color: var(--green); color: var(--green); }
.triage-btn.t-skip:hover { border-color: var(--gold); color: var(--gold-2); }
.word-tag { display: inline-block; font-size: 11px; letter-spacing: 4px; color: var(--gold);
  border: 1px solid rgba(232,180,90,.35); border-radius: 99px; padding: 5px 16px; margin-bottom: 40px; }
.word-term { font-family: var(--serif); font-size: 84px; font-weight: 400; letter-spacing: 1px; }
.word-phonetic { color: var(--ink-2); font-size: 20px; margin-top: 16px; font-family: var(--serif); }
.word-hits { color: var(--ink-3); font-size: 14px; margin-top: 22px; }
.word-hits b { color: var(--gold-2); font-weight: 600; }
.front-actions { display: flex; gap: 16px; justify-content: center; margin-top: 56px; }

.card-back .back-head { text-align: center; margin-bottom: 20px; }
.word-term-sm { font-family: var(--serif); font-size: 34px; font-weight: 400; display: inline; }
.word-translation { color: var(--gold-2); font-size: 16px; margin-top: 8px; }

/* 片段区 */
.clip-zone { border-radius: 18px; overflow: hidden; background: #000; position: relative; }
.clip-zone video { width: 100%; display: block; border-radius: 18px; aspect-ratio: 16/9; object-fit: cover; max-height: 350px; }
.line-card {
  background: var(--bg-3); border-radius: 18px; padding: 34px 38px; min-height: 200px;
  display: flex; flex-direction: column; justify-content: center;
}
.line-meta { font-size: 12px; letter-spacing: 3px; color: var(--ink-3); margin-bottom: 14px; text-transform: uppercase; }
.line-speaker { color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 10px; text-transform: uppercase; }
.line-text { font-family: var(--serif); font-size: 25px; line-height: 1.55; }
.line-text .hl { color: var(--gold-2); font-style: italic; }
.line-zh { color: var(--ink-2); font-size: 15px; margin-top: 12px; }
.line-play { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.gen-hint { font-size: 11px; color: var(--ink-3); margin-left: 8px; }
.gen-loading {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--gold-2); font-size: 15px; letter-spacing: 1px; background: var(--bg-3);
  z-index: 2; border-radius: 18px;
}
.clip-nav { display: flex; gap: 8px; justify-content: center; margin: 14px 0 20px; }
.clip-dot {
  width: 34px; height: 5px; border-radius: 3px; background: var(--line);
  border: none; cursor: pointer; transition: background .2s;
}
.clip-dot.active { background: var(--gold); }
.clip-dot.dot-pp:not(.active) { background: #3a4152; }
.lk-pp { margin-bottom: 14px; }

/* 评分条 */
.grade-bar { display: flex; gap: 12px; }
.grade {
  flex: 1; padding: 16px 0 13px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--bg-3); color: var(--ink); font-size: 16px; cursor: pointer;
  font-family: var(--sans); transition: all .18s; display: flex; flex-direction: column;
  align-items: center; gap: 5px;
}
.grade:hover { transform: translateY(-2px); }
.grade.g0:hover { border-color: var(--red); color: var(--red); }
.grade.g3:hover { border-color: #d8a24a; color: #d8a24a; }
.grade.g4:hover { border-color: var(--green); color: var(--green); }
.grade.g5:hover { border-color: var(--gold); color: var(--gold-2); }
.kbd {
  font-size: 11px; color: var(--ink-3); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 7px;
}

.session-done { text-align: center; padding: 120px 0; }
.done-kicker { font-size: 12px; letter-spacing: 7px; color: var(--gold); margin-bottom: 22px; }
.session-done h2 { font-family: var(--serif); font-size: 44px; font-weight: 400; margin-bottom: 16px; }
.session-done p { color: var(--ink-2); margin-bottom: 40px; }

/* ── 查词 ── */
.lookup-wrap { max-width: 820px; margin: 0 auto; padding: 56px 24px 90px; }
.lookup-input {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 18px; color: var(--ink); font-size: 21px; padding: 22px 30px;
  outline: none; font-family: var(--serif); transition: border .2s;
}
.lookup-input:focus { border-color: rgba(232,180,90,.5); }
.lookup-suggest { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.suggest-chip {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 99px;
  color: var(--ink-2); padding: 7px 18px; font-size: 14px; cursor: pointer;
}
.suggest-chip:hover { color: var(--gold-2); border-color: var(--gold); }
.lookup-result { margin-top: 34px; }
.lk-head { margin-bottom: 8px; }
.lk-term { font-family: var(--serif); font-size: 52px; display: inline; }
.lk-phonetic { color: var(--ink-2); font-family: var(--serif); font-size: 19px; margin-left: 16px; }
.lk-trans { color: var(--gold-2); font-size: 16px; margin: 10px 0 6px; }
.lk-hits { color: var(--ink-3); font-size: 14px; margin-bottom: 24px; }
.lk-lines { display: flex; flex-direction: column; gap: 14px; }

/* ── 剧库 ── */
.library-wrap { max-width: 820px; margin: 0 auto; padding: 56px 24px 90px; }
.lib-title { font-family: var(--serif); font-size: 40px; font-weight: 400; margin-bottom: 30px; }
.lib-card {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 32px; margin-bottom: 14px;
}
.lib-name { font-family: var(--serif); font-size: 23px; }
.lib-kind { font-size: 11px; letter-spacing: 3px; color: var(--ink-3); margin-top: 7px; text-transform: uppercase; }
.lib-kind .has-video { color: var(--green); }
.lib-nums { text-align: right; color: var(--ink-2); font-size: 14px; line-height: 1.8; }
.lib-nums b { color: var(--gold-2); font-family: var(--serif); font-size: 19px; }
.lib-hint {
  margin-top: 44px; border: 1px dashed var(--line); border-radius: 18px;
  padding: 28px 32px; color: var(--ink-2); font-size: 14.5px; line-height: 1.9;
}
.lib-hint h3 { color: var(--ink); font-weight: 600; margin-bottom: 10px; font-size: 16px; }
.lib-hint code { background: var(--bg-3); border-radius: 6px; padding: 2px 8px; color: var(--gold-2); font-size: 13px; }

@media (max-width: 720px) {
  .nav { padding: 14px 14px; padding-top: max(14px, env(safe-area-inset-top)); }
  .brand { font-size: 18px; }
  .brand-en { display: none; }
  .nav-tabs { gap: 2px; }
  .tab { padding: 8px 12px; font-size: 14px; }
  .hero { padding: 60px 20px 30px; }
  .hero-title { font-size: 36px; }
  .word-card { padding: 26px 18px 20px; min-height: 0; }
  .word-term { font-size: 52px; }
  .card-front { padding: 16px 0 4px; }
  .front-actions { gap: 8px; margin-top: 34px; }
  .triage-btn { min-width: 44%; padding: 13px 10px 10px; }
  .btn-ghost { padding: 12px 20px; }
  .btn-gold { padding: 13px 28px; }
  .line-card { padding: 24px 22px; }
  .line-text { font-size: 20px; }
  .grade-bar { flex-wrap: wrap; gap: 8px; }
  .grade { min-width: 44%; }
  .lookup-wrap, .library-wrap { padding: 30px 16px 70px; }
  .lookup-input { font-size: 17px; padding: 16px 20px; }
  .lk-term { font-size: 38px; }
}