:root{--bg: #0b1020;--panel: #141a2e;--accent: #2ecc8f;--accent-2: #1f8f6a;--text: #e8edf6;--muted: #8b95ad;--danger: #ff6b6b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column;max-width:720px;margin:0 auto}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;gap:12px}.brand{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.brand strong{font-size:18px}.brand-sub{color:var(--muted);font-size:13px}.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--muted);transition:background .3s}.brand-dot[data-live=true]{background:var(--accent);box-shadow:0 0 8px var(--accent)}.app-header select{background:var(--panel);color:var(--text);border:1px solid #2a3350;border-radius:8px;padding:8px 10px;font-size:14px}.app-header select:disabled{opacity:.5}.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 20px;gap:16px}.avatar-frame{position:relative;width:100%;max-width:480px;aspect-ratio:3 / 4;background:#000;border-radius:20px;overflow:hidden;border:2px solid #1e2740;transition:border-color .2s,box-shadow .2s}.avatar-frame[data-speaking=true]{border-color:var(--accent);box-shadow:0 0 30px #2ecc8f59}.avatar-video{width:100%;height:100%;object-fit:cover;display:block}.avatar-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted);text-align:center;padding:20px}.status-pill{position:absolute;bottom:14px;left:50%;transform:translate(-50%);background:#0009;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:6px 16px;border-radius:999px;font-size:13px;white-space:nowrap}.captions{width:100%;max-width:480px;display:flex;flex-direction:column;gap:6px}.cap-user{color:var(--muted);margin:0;font-size:14px}.cap-bot{color:var(--text);margin:0;font-size:16px;line-height:1.45}.interim{color:var(--muted);font-style:italic;margin:0}.error{color:var(--danger);font-size:14px;text-align:center;margin:0}.controls{display:flex;gap:12px;justify-content:center;padding:20px 20px 32px}.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:12px;padding:14px 22px;font-size:15px;font-weight:600;cursor:pointer;color:#fff;transition:transform .1s,opacity .2s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-start{background:var(--accent-2)}.btn-mic{background:#2a3350}.btn-mic.active{background:var(--accent);animation:pulse 1.3s infinite}.btn-hangup{background:#3a2030;color:var(--danger)}@keyframes pulse{0%,to{box-shadow:0 0 #2ecc8f80}50%{box-shadow:0 0 0 10px #2ecc8f00}}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}