:root{--bg:#0b0f1a;--panel:#141a2b;--panel-2:#1c2438;--border:#283150;--text:#e7ecf5;--muted:#9aa6c2;--accent:#7c5cff;--accent-2:#4dd0c4;--danger:#ff5c7c;--good:#46d18a}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:32px 24px 64px}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:100vh;padding:24px;display:flex}.hero h1{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(2rem,5vw,3.4rem)}.hero p{max-width:620px;color:var(--muted);margin:0;font-size:1.1rem;line-height:1.6}.steps{flex-wrap:wrap;justify-content:center;gap:16px;max-width:760px;display:flex}.step{background:var(--panel);border:1px solid var(--border);text-align:left;border-radius:14px;width:220px;padding:16px 18px}.step .num{color:var(--accent-2);letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;font-weight:700}.step h3{margin:6px 0 4px;font-size:1rem}.step p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.45}.btn{cursor:pointer;background:linear-gradient(90deg, var(--accent), #5b8cff);color:#fff;border:none;border-radius:12px;align-items:center;gap:10px;padding:14px 26px;font-size:1rem;font-weight:600;transition:transform 80ms,opacity .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.secondary{background:var(--panel-2);border:1px solid var(--border)}.btn.danger{background:linear-gradient(90deg, var(--danger), #ff8aa0)}.btn.good{background:linear-gradient(90deg, var(--good), #6ee7a8);color:#04201a}.grid{grid-template-columns:1.3fr 1fr;gap:20px;display:grid}@media (max-width:880px){.grid{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px}.video-wrap{aspect-ratio:16/9;background:#000;border-radius:14px;position:relative;overflow:hidden}.video-wrap video{object-fit:cover;width:100%;height:100%;transform:scaleX(-1)}.rec-dot{background:#0000008c;border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:.8rem;font-weight:600;display:inline-flex;position:absolute;top:12px;left:12px}.rec-dot .dot{background:var(--danger);border-radius:50%;width:10px;height:10px;animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.progress{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.85rem;display:flex}.bar{background:var(--panel-2);border-radius:999px;height:6px;margin-bottom:18px;overflow:hidden}.bar>div{background:linear-gradient(90deg, var(--accent), var(--accent-2));height:100%;transition:width .3s}.qlabel{color:var(--accent-2);letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;font-weight:700}.question{margin:8px 0 18px;font-size:1.45rem;line-height:1.4}.status{color:var(--muted);align-items:center;gap:8px;margin-bottom:16px;font-size:.85rem;display:inline-flex}.status .dot{background:var(--muted);border-radius:50%;width:9px;height:9px}.status.speaking .dot{background:var(--accent);animation:1s infinite pulse}.status.listening .dot{background:var(--good);animation:1s infinite pulse}.transcript{background:var(--panel-2);border:1px solid var(--border);min-height:90px;color:var(--text);white-space:pre-wrap;border-radius:12px;padding:14px;line-height:1.5}.transcript .partial{color:var(--muted)}.transcript.empty{color:var(--muted);font-style:italic}.controls{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.review h2{margin-top:0}.qa{border-top:1px solid var(--border);padding:16px 0}.qa .q{margin-bottom:6px;font-weight:600}.qa .a{color:var(--muted);line-height:1.5}.eval{background:var(--panel-2);border:1px solid var(--border);white-space:pre-wrap;border-radius:12px;padding:18px;line-height:1.6}.muted{color:var(--muted)}.error{border:1px solid var(--danger);color:#ffc2cf;background:#ff5c7c1f;border-radius:12px;margin-bottom:16px;padding:14px 16px;line-height:1.5}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}