:root{color-scheme:dark;--bg: #0a1a33;--card: #12274d;--border: #274a7d;--text: #e9eef7;--muted: #9fb0c9;--accent: #1e65b6;--accent-light: #5aa6e6;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}.screen{min-height:100%;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:16px;padding:28px;text-align:center;box-shadow:0 12px 40px #00000059}.retryBtn{margin-top:14px;padding:10px 22px;border-radius:999px;border:none;background:var(--accent);color:#fff;font-size:.9rem;font-weight:600;cursor:pointer}.retryBtn:hover{background:var(--accent-light)}.brandMark{height:30px;width:auto;display:block;margin:0 auto 20px}.callBrand{position:absolute;top:16px;right:16px;height:22px;width:auto;opacity:.9;z-index:3}.card h1{font-size:1.35rem;margin:12px 0 8px;line-height:1.3}.muted{color:var(--muted);margin:6px 0;line-height:1.5}.small{font-size:.8rem;opacity:.8}.pill{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-light);background:#1e65b62e;border:1px solid rgba(90,166,230,.35);border-radius:999px;padding:4px 12px}.spinner{width:38px;height:38px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.callStage{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;overflow:hidden}.remoteVideo{width:100%;height:100%;object-fit:cover;background:#000}.localVideo{position:absolute;bottom:96px;right:16px;width:160px;height:120px;object-fit:cover;border-radius:12px;border:2px solid rgba(255,255,255,.5);background:#1e293b;transition:opacity .2s;z-index:2}.localVideoAudioOnly{display:flex;align-items:center;justify-content:center;font-size:32px}.callOverlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;z-index:1}.avatar{width:76px;height:76px;border-radius:50%;background:#ffffff1a;display:flex;align-items:center;justify-content:center;font-size:34px}.overlayTitle{font-size:1.15rem;font-weight:600}.recBadge{position:absolute;top:16px;left:16px;z-index:3;display:flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;background:#0000008c;color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.05em}.recModePicker{position:absolute;top:50px;right:16px;z-index:3}.recModePicker select{background:#0000008c;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:5px 11px;font-size:.78rem;font-weight:600}.recDot{width:10px;height:10px;border-radius:50%;background:#ef4444;animation:recpulse 1.4s ease-in-out infinite}@keyframes recpulse{50%{opacity:.25}}.callControls{position:absolute;bottom:24px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:20px;z-index:3}.round{width:58px;height:58px;border-radius:50%;border:none;font-size:22px;cursor:pointer;color:#fff;display:flex;align-items:center;justify-content:center}.round:disabled{opacity:.4;cursor:default}.ctrlNeutral{background:#ffffff2e}.ctrlHang{background:#ef4444}.ctrlOff{background:#f59e0b}.fileTray{position:absolute;bottom:96px;left:16px;z-index:3;max-width:220px;max-height:220px;overflow-y:auto;background:#0000008c;border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:6px}.fileTrayTitle{color:#ffffffb3;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}.fileTrayItem{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;background:#ffffff0f;color:#fff;text-decoration:none}a.fileTrayItem:hover{background:#ffffff24}.fileTrayUploading{opacity:.75}.fileTrayIcon{font-size:18px;flex:none}.fileTrayInfo{display:flex;flex-direction:column;min-width:0}.fileTrayName{font-size:.78rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fileTrayMeta{font-size:.68rem;color:#ffffffa6}.fileTrayError{font-size:.72rem;color:#fca5a5;padding:4px 2px 0}