*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--surface: #1a1d27;--border: #2a2d3a;--accent: #5b8df5;--accent-hover: #7aa3ff;--danger: #e05555;--danger-hover: #f07070;--text: #e8eaf0;--text-dim: #8b8fa8;--caption-bg: rgba(10, 12, 20, .85);--radius: 12px;--radius-sm: 8px}html,body,#root{height:100%;width:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}.lobby{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:2rem;padding:2rem}.lobby h1{font-size:2.4rem;font-weight:700;letter-spacing:-.5px}.lobby h1 span{color:var(--accent)}.lobby p{color:var(--text-dim);text-align:center;max-width:380px}.lobby-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;width:100%;max-width:420px;display:flex;flex-direction:column;gap:1.25rem}.lobby-card label{display:flex;flex-direction:column;gap:.4rem;font-size:.85rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}.lobby-card select{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:.65rem .9rem;font-size:1rem;cursor:pointer;width:100%}.lobby-card select:focus{outline:2px solid var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.4rem;border-radius:var(--radius-sm);border:none;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;width:100%;padding:.85rem;font-size:1rem}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-icon{background:var(--surface);border:1px solid var(--border);color:var(--text);width:48px;height:48px;padding:0;border-radius:50%;font-size:1.15rem}.btn-icon:hover:not(:disabled){background:var(--border)}.btn-icon.active{background:var(--accent);border-color:var(--accent)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim)}.btn-ghost:hover:not(:disabled){background:var(--surface);color:var(--text)}.waiting{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:1.5rem}.spinner{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.waiting p{color:var(--text-dim)}.chat{display:flex;flex-direction:column;height:100%}.video-area{position:relative;flex:1;background:#000;overflow:hidden}.video-remote{width:100%;height:100%;object-fit:cover;display:block}.video-local{position:absolute;bottom:1rem;right:1rem;width:140px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);border:2px solid var(--border);background:#111;z-index:10}.video-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.9rem;background:var(--surface)}.captions{position:absolute;bottom:0;left:0;right:0;padding:.75rem 1rem;background:var(--caption-bg);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-height:56px;display:flex;flex-direction:column;gap:.25rem;z-index:20}.caption-line{font-size:1rem;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.8);animation:fadeIn .2s ease}.caption-line .original{font-size:.75rem;color:var(--text-dim);margin-top:.1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1}}.controls{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem;background:var(--surface);border-top:1px solid var(--border);flex-wrap:wrap}.controls-divider{width:1px;height:36px;background:var(--border);margin:0 .25rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem;width:100%;max-width:360px;display:flex;flex-direction:column;gap:1rem}.modal h2{font-size:1.1rem}.modal select{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:.6rem .8rem;font-size:.95rem;width:100%}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end}