:root{--bg: #0e1116;--panel: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #2f81f7;--accent-hover: #4f9bff;--error: #f85149;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center;padding:2rem 1rem}.app{width:100%;max-width:640px}h1{margin:0 0 .25rem;font-size:1.75rem}.subtitle{margin:0 0 1.5rem;color:var(--muted)}.talk-btn{background:var(--accent);color:#fff;border:none;border-radius:999px;font-size:1.1rem;font-weight:600;padding:.85rem 2.5rem;cursor:pointer;transition:background .15s ease,transform .05s ease}.talk-btn:hover{background:var(--accent-hover)}.talk-btn:active{transform:scale(.98)}.talk-btn:disabled{background:var(--border);cursor:not-allowed}.talk-btn.active{background:var(--error)}.talk-btn.active:hover{background:#ff6961}.talk-btn.connecting{background:var(--muted);cursor:progress;display:inline-flex;align-items:center;gap:.6rem}.talk-btn.connecting:hover{background:#6a7380}.spinner{display:inline-block;width:.95em;height:.95em;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spinner-rotate .8s linear infinite}@keyframes spinner-rotate{to{transform:rotate(360deg)}}section{margin-top:2rem}section h2{margin:0 0 .5rem;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.status-log,.response-json{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:1rem;margin:0;font-family:SF Mono,Menlo,Consolas,monospace;font-size:.85rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;min-height:1.5em}.status-log.error{border-color:var(--error);color:var(--error)}.setup-form{display:flex;flex-direction:column;gap:1rem;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:1.25rem}.field{display:flex;flex-direction:column;gap:.35rem}.field span{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.field input{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.6rem .75rem;font-size:.95rem;font-family:inherit}.field input:focus{outline:none;border-color:var(--accent)}.hint{margin:0;font-size:.8rem;color:var(--muted)}.form-error{margin:0;color:var(--error);font-size:.85rem}.primary-btn{align-self:flex-start;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:.95rem;font-weight:600;padding:.65rem 1.5rem;cursor:pointer}.primary-btn:hover{background:var(--accent-hover)}#reset-link{color:var(--accent);text-decoration:none}#reset-link:hover{text-decoration:underline}.setup,.main{margin-top:.5rem}.devices{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin:1rem 0 1.25rem}.device-field{display:flex;flex-direction:column;gap:.3rem;min-width:0}.device-field span{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.device-field select{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.5rem .6rem;font-size:.9rem;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;min-width:0;max-width:100%}.device-field select:focus{outline:none;border-color:var(--accent)}.device-field select:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 480px){.devices{grid-template-columns:1fr}}.mic-meter{margin:0 0 1.25rem}.mic-meter-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:.3rem}.mic-meter-bar{height:10px;background:var(--panel);border:1px solid var(--border);border-radius:5px;overflow:hidden}.mic-meter-fill{height:100%;width:0%;background:linear-gradient(to right,#2ea043,#2ea043 60%,#f0c419 75%,#f85149 95%);transition:width .05s linear}.mic-meter-hint{margin:.25rem 0 0;font-size:.75rem;color:var(--muted)}.mic-meter-hint.warn{color:var(--error)}