:root{--bg: #f6f7fb;--bg-accent: radial-gradient(1200px 500px at 85% -10%, #ede9fe 0%, transparent 60%), radial-gradient(900px 400px at 10% -20%, #e0e7ff 0%, transparent 55%);--card: #ffffff;--ink: #16182d;--muted: #676b85;--line: #e4e6f0;--line-strong: #cdd1e0;--brand: #5b5bd6;--brand-strong: #4f46e5;--brand-soft: #eef0fe;--brand-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--brand-ink: #ffffff;--ok: #0f8a4f;--ok-soft: #e9f7ef;--danger: #d13438;--danger-soft: #fdf0f0;--warn: #b45309;--radius: 14px;--radius-sm: 9px;--shadow-1: 0 1px 2px rgba(22, 24, 45, .05), 0 4px 16px rgba(22, 24, 45, .06);--shadow-2: 0 4px 12px rgba(22, 24, 45, .08), 0 12px 32px rgba(22, 24, 45, .1);--font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, 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a{margin-inline-start:18px;text-decoration:none;color:var(--muted);font-weight:600;font-size:14.5px;transition:color .15s ease}.appbar nav a:hover{color:var(--ink)}.container{max-width:1100px;margin:0 auto;padding:28px 22px}h1{font-size:26px;font-weight:800;letter-spacing:-.3px;margin:0 0 6px}.subtitle{color:var(--muted);margin:0 0 26px}.center-screen{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:24px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;font-family:inherit;font-size:14.5px;font-weight:600;border:1px solid var(--line-strong);background:var(--card);color:var(--ink);padding:9px 18px;border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .1s ease,box-shadow .15s ease}.btn:hover{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-soft)}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--brand-grad);color:var(--brand-ink);border-color:transparent;box-shadow:0 2px 10px #6366f159}.btn-primary:hover{color:var(--brand-ink);background:var(--brand-grad);border-color:transparent;filter:brightness(1.06);box-shadow:0 4px 14px #6366f173}.btn:disabled{opacity:.5;cursor:default;transform:none;box-shadow:none}.btn-lg{font-size:16px;padding:12px 28px;border-radius:12px}.login-hero{display:flex;flex-direction:column;align-items:center;gap:18px}.login-hero h1{font-size:34px;max-width:640px;line-height:1.25}.login-mark{width:56px;height:56px;font-size:26px;border-radius:16px}.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}@media (max-width: 600px){.login-hero h1{font-size:26px}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-1)}.video-card{display:flex;flex-direction:column;overflow:hidden;padding:0;transition:transform .15s ease,box-shadow .15s ease}.video-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--line)}.video-card .body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}.video-card .title{font-weight:700;font-size:14.5px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card .meta{color:var(--muted);font-size:12.5px}.short-card video{width:100%;aspect-ratio:9/16;background:#0b0c14;border-radius:var(--radius-sm);max-height:420px}.badge{display:inline-block;background:var(--brand-soft);color:var(--brand-strong);border-radius:999px;padding:3px 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auto;aspect-ratio:9/16;background:#0b0c14;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2)}.source-video{width:100%;height:100%;object-fit:cover;display:block}.sel-panel{display:flex;flex-direction:column;gap:10px;margin-top:14px}.sel-readout{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}.sel-readout b{color:var(--ink);font-variant-numeric:tabular-nums}.sel-len.bad b{color:var(--danger)}.mode-switch{display:flex;gap:8px;padding:14px 16px 0;position:sticky;top:0;background:var(--card);z-index:2}.mode-hint{padding:8px 16px 0;font-size:13px;margin-bottom:0}.transcript-block{padding:14px 16px;line-height:2;font-size:15.5px;-webkit-user-select:text;user-select:text}.transcript-span{cursor:pointer;border-radius:4px;padding:1px}.transcript-block ::selection{background:#6366f140}.transcript-span.selected{background:#6366f12e}.transcript-span.excluded{text-decoration:line-through;text-decoration-color:var(--danger);opacity:.45}.transcript-span.edited{border-bottom:2px dotted var(--brand)}.transcript-span.playing{text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:3px}.transcript-span.suspect{text-decoration:underline;text-decoration-style:wavy;text-decoration-color:var(--danger);text-underline-offset:3px}.transcript-block.mode-select,.transcript-block.mode-edit{cursor:text}.transcript-block.mode-edit .transcript-span:hover{background:var(--brand-soft)}.transcript-span[contenteditable]:focus{outline:1.5px solid var(--brand);background:var(--card)}.prep-gate{display:flex;flex-direction:column;gap:16px;max-width:560px;margin:24px auto}.gate-step{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-1)}.gate-step.done{border-color:#bfe3cd;background:var(--ok-soft)}.gate-step.failed{border-color:#f3c6c3;background:var(--danger-soft)}.gate-icon{width:28px;height:28px;flex:none;display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--muted)}.gate-step.done .gate-icon{color:var(--ok)}.gate-step.failed .gate-icon{color:var(--danger)}.gate-body{flex:1;display:flex;flex-direction:column;gap:8px}.gate-title{font-weight:700}.gate-sub{font-size:13px;color:var(--muted)}.prep-bar-track{flex:1;height:8px;background:var(--line);border-radius:999px;overflow:hidden}.prep-bar-fill{height:100%;background:var(--brand-grad);border-radius:999px;transition:width .4s ease}.short-title{font-size:15px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font-family:inherit;background:var(--card)}.short-title:focus{border-color:var(--brand);outline:none}.clip-list{display:flex;flex-direction:column;gap:10px}.clip-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-1)}.clip-row .short-title{flex:1;min-width:120px}.clip-badge{font-weight:800;color:var(--brand-strong);white-space:nowrap}.clip-range,.clip-dur{font-variant-numeric:tabular-nums;color:var(--muted);font-size:14px;white-space:nowrap}@media (max-width: 600px){.clip-row{flex-wrap:wrap}}.caption-mode{display:inline-flex;border:1px solid var(--line-strong);border-radius:var(--radius-sm);overflow:hidden;white-space:nowrap}.caption-mode .cap-btn{font-family:inherit;font-size:13px;font-weight:600;padding:6px 12px;border:none;background:var(--card);color:var(--muted);cursor:pointer;transition:background .15s ease,color .15s ease}.caption-mode .cap-btn+.cap-btn{border-inline-start:1px solid var(--line)}.caption-mode .cap-btn.active{background:var(--brand-grad);color:var(--brand-ink)}.status-list{list-style:none;padding:0;margin:0}.status-list li{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.status-list li:last-child{border-bottom:none}.dot{width:10px;height:10px;border-radius:50%;background:var(--line-strong);flex:none}.dot.done{background:var(--ok)}.dot.active{background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}.dot.failed{background:var(--danger)}.step-icon{width:16px;flex:none;text-align:center;font-size:13px}.step-icon.done{color:var(--ok)}.step-icon.skipped{color:var(--muted)}.status-list li.step-skipped{opacity:.6}.step-msg{color:var(--muted);font-size:13px}.error{color:var(--danger)}.muted{color:var(--muted)}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:20px;inset-inline-start:20px;display:flex;flex-direction:column;gap:10px;z-index:1000;max-width:min(360px,calc(100% - 40px))}.toast{background:var(--ink);color:#fff;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;box-shadow:var(--shadow-2);cursor:pointer;word-break:break-word;animation:toast-in .18s ease-out}.toast-success{background:var(--ok)}.toast-error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.upload-panel{display:flex;align-items:center;gap:16px;margin-bottom:24px}.upload-title{font-weight:700;margin-bottom:4px}.upload-progress{flex:1;display:flex;flex-direction:column;gap:8px}.upload-name{font-weight:600;word-break:break-all}.upload-thumb{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:40px;background:var(--brand-soft)}@media (max-width: 600px){.container{padding:18px 14px}.appbar{padding:10px 14px}h1{font-size:22px}}