:root{
  --bg:#edf3f8;
  --card:#ffffff;
  --line:#d7e2ee;
  --text:#20324a;
  --muted:#6d7d90;
  --blue:#3567ea;
  --blue-soft:#eaf1ff;
  --green-soft:#eef7f1;
  --shadow:0 10px 28px rgba(32,50,74,.08);
  --radius:24px;
}
*{box-sizing:border-box}
.app{max-width:980px;margin:0 auto;padding:16px;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:18px 20px;margin-bottom:14px}
.eyebrow{font-size:14px;font-weight:700;color:var(--muted);margin-bottom:6px}
.hero h1{margin:0;font-size:32px;line-height:1.15}
.hero-subtitle{margin:8px 0 0;color:var(--muted);font-size:16px;line-height:1.5}
.hero-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button,.modal-link{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text);padding:12px 18px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
button.primary,.modal-link.primary{background:var(--blue);border-color:var(--blue);color:#fff}
button.ghost,.modal-link.ghost{background:#fff}
.icon-btn{width:48px;height:48px;padding:0;font-size:22px}
.install-btn{min-width:120px}
.live-board{padding:14px;position:relative}
.top-pills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px}
.status-pill{background:#f6f9fc;border:1px solid var(--line);border-radius:18px;padding:10px 12px;display:flex;flex-direction:column;gap:2px;min-height:68px}
.status-pill span{font-size:12px;color:var(--muted);font-weight:700}
.status-pill strong{font-size:20px;line-height:1.2}
.board-actions{display:flex;gap:10px;justify-content:flex-end;margin-bottom:10px}
.small-btn{padding:10px 14px;font-size:14px}
.history-list{background:linear-gradient(180deg,#f8fbfd,#f1f6fb);border:1px solid var(--line);border-radius:22px;min-height:360px;max-height:62vh;overflow:auto;padding:14px}
.history-list.empty{display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:700}
.history-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 14px;margin-bottom:10px;box-shadow:0 2px 10px rgba(32,50,74,.04)}
.history-item:last-child{margin-bottom:0}
.history-meta{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:8px;flex-wrap:wrap}
.history-side{font-size:12px;font-weight:800;letter-spacing:.03em;padding:4px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue)}
.history-side.other{background:var(--green-soft);color:#2c8b57}
.history-lang{font-size:12px;color:var(--muted)}
.history-original{font-size:14px;line-height:1.45;color:var(--muted);margin-bottom:6px;word-break:break-word}
.history-translated{font-size:22px;line-height:1.35;font-weight:800;word-break:break-word}
.composer-wrap{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:end;margin-top:12px}
.speaker-toggle{display:inline-flex;background:#eef3f8;border:1px solid var(--line);border-radius:999px;padding:4px;gap:4px}
.seg-btn{min-width:68px;padding:12px 14px;background:transparent;border-color:transparent;color:var(--muted)}
.seg-btn.active{background:#fff;border-color:var(--line);color:var(--text);box-shadow:0 3px 10px rgba(32,50,74,.08)}
#messageInput{width:100%;min-height:58px;max-height:140px;resize:none;border:1px solid var(--line);border-radius:20px;padding:15px 16px;font-size:18px;line-height:1.35;color:var(--text);background:#fff}
.send-btn{width:58px;height:58px;padding:0;font-size:24px}
.footer-notes{margin-top:10px;padding:0 4px 2px}
.footer-line{font-size:13px;color:var(--muted);line-height:1.5}
.floating-recorder{position:fixed;right:12px;bottom:110px;z-index:40;display:flex;gap:8px;align-items:center;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 14px 30px rgba(32,50,74,.14);touch-action:none;user-select:none}
.dock-btn{min-width:70px;height:56px;padding:0 18px;font-size:26px;font-weight:900;background:#fff}
.dock-btn.recording{background:var(--blue);border-color:var(--blue);color:#fff}
.dock-btn.suggested{box-shadow:0 0 0 3px rgba(53,103,234,.16)}
.settings{padding:18px 20px;margin-top:14px}
.settings.hidden,.access-modal.hidden,.legacy-scratch,.check.hidden{display:none}
.settings-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}
.grid.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.compact-grid label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:700}
.compact-grid select{width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font-size:16px;background:#fff}
.actions.compact-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.check{display:flex;align-items:center;gap:8px;background:#f8fbfd;border:1px solid var(--line);border-radius:16px;padding:12px 14px}
.check input{width:18px;height:18px}
.access-modal{position:fixed;inset:0;background:rgba(20,30,44,.38);z-index:60;display:flex;align-items:center;justify-content:center;padding:20px}
.access-card{width:min(460px,100%);background:#fff;border-radius:24px;border:1px solid var(--line);padding:20px;box-shadow:0 24px 60px rgba(20,30,44,.22)}
.access-card h3{margin:0 0 10px;font-size:24px}
.access-card p{margin:0;color:var(--muted);line-height:1.5}
.modal-actions{margin-top:16px;justify-content:flex-start;flex-wrap:wrap}
@media (max-width:860px){
  .top-pills{grid-template-columns:1fr}
  .history-list{min-height:300px;max-height:52vh}
}
@media (max-width:680px){
  .app{padding:10px 10px 24px}
  .hero{padding:14px 14px 12px;gap:12px;align-items:flex-start}
  .hero h1{font-size:24px}
  .hero-subtitle{font-size:14px}
  .hero-actions{width:auto;justify-content:flex-end}
  .install-btn{display:none}
  .board-actions{justify-content:space-between}
  .small-btn{font-size:13px;padding:10px 12px}
  .history-list{min-height:280px;max-height:48vh;padding:12px}
  .history-translated{font-size:18px}
  .composer-wrap{grid-template-columns:1fr auto;grid-template-areas:"toggle send" "input input";align-items:center}
  .speaker-toggle{grid-area:toggle;width:max-content}
  #messageInput{grid-area:input;font-size:16px;min-height:52px}
  .send-btn{grid-area:send;width:52px;height:52px;font-size:20px}
  .floating-recorder{right:10px;bottom:86px;padding:6px;gap:6px}
  .dock-btn{min-width:60px;height:50px;font-size:22px;padding:0 14px}
  .grid.two{grid-template-columns:1fr}
}