:root{--bg: #0f1115;--panel: #171a21;--border: #2a2f3a;--text: #e8eaf0;--muted: #9aa1ad;--accent: #4f8cff;--accent-dark: #3565c9;--danger: #e5484d;--ok: #46a758}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.screen{max-width:720px;margin:0 auto;padding:24px 16px 64px;min-height:100vh;display:flex;flex-direction:column;align-items:center;text-align:center}h1{font-size:1.6rem;margin:8px 0}h2{font-size:1.05rem;margin:16px 0 8px}.tagline{color:var(--muted);max-width:480px}.btn{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px 18px;cursor:pointer;transition:background .15s ease}.btn:hover:not(:disabled){background:#1f2430}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-dark)}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.ghost{background:transparent}.upload-btn{display:inline-block;margin-top:24px;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:10px;padding:14px 26px;cursor:pointer}.upload-btn:hover{background:var(--accent-dark)}.upload-status{margin-top:16px;max-width:480px;width:100%}.upload-status p{margin:0 0 8px;color:var(--muted)}.progress-bar{height:8px;border-radius:4px;background:var(--border);overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .2s ease}.error{color:#ffb3b5;background:#e5484d1f;border:1px solid rgba(229,72,77,.4);border-radius:8px;padding:10px 14px;max-width:560px}.warnings{list-style:none;margin:16px 0 0;padding:0;color:var(--muted);font-size:.9rem;max-width:560px}.warnings li{margin:4px 0}.pack-list{margin-top:28px;width:100%;max-width:520px}.pack-card{display:flex;align-items:center;gap:14px;width:100%;text-align:left;font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;margin:8px 0}.pack-card:hover{border-color:var(--accent)}.pack-card img,.pack-icon-placeholder{width:56px;height:56px;border-radius:6px;object-fit:cover;flex-shrink:0}.pack-icon-placeholder{display:flex;align-items:center;justify-content:center;background:var(--border);font-size:1.4rem}.pack-meta{display:flex;flex-direction:column;gap:2px}.pack-meta small{color:var(--muted)}.footer-note{margin-top:auto;padding-top:32px;color:var(--muted);font-size:.85rem;max-width:460px}.problems{text-align:left;color:var(--muted)}.screen-header{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}.screen-header h1{font-size:1.1rem;margin:0;flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress{color:var(--muted);font-size:.85rem;white-space:nowrap}.line-card{margin:24px 0 16px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;width:100%;max-width:520px}.image-wrap{width:100%;max-height:300px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:8px;background:#000}.image-wrap img{max-width:100%;max-height:300px;object-fit:contain}.image-placeholder{height:200px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:1.4rem}.character{margin:12px 0 4px;font-weight:700;color:var(--accent);letter-spacing:.03em;text-transform:uppercase;font-size:.85rem}.caption{margin:0;font-size:1.15rem;font-style:italic}.controls{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;min-height:52px;margin:8px 0}.rec-indicator{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}.rec-dot{width:14px;height:14px;border-radius:50%;background:var(--danger);animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.countdown{font-size:2.4rem;font-weight:700;color:var(--accent)}.nav-row{display:flex;gap:10px;justify-content:center;margin-top:12px}.hint{color:var(--ok);margin:10px 0 0;font-size:.9rem}.playback-screen video{width:100%;max-width:560px;border-radius:10px;border:1px solid var(--border);margin:20px 0 12px;background:#000}.line-strip{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:14px;max-width:560px}.chip{min-width:24px;padding:4px 6px;border-radius:6px;background:var(--panel);border:1px solid var(--border);color:var(--muted);font-size:.75rem}.chip.recorded{background:#46a7582e;border-color:var(--ok);color:#b6e6c0}.notice-screen{justify-content:center}