:root{
  --bg:#07171b;--panel:#0d252a;--panel2:#102c31;--line:rgba(194,225,226,.13);
  --text:#eef7f6;--muted:#9eb5b5;--green:#56d48a;--red:#ff5f67;--gold:#f3c766;
  --shadow:0 24px 70px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Readex Pro",sans-serif;background:
 radial-gradient(circle at 50% -10%,rgba(48,139,135,.18),transparent 34rem),var(--bg);color:var(--text)}
body{overflow-x:hidden}
button,select{font:inherit}
button{border:0;color:inherit}
.app{width:min(980px,100%);margin:auto;padding:20px 18px 34px}
.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:600}
.brand-mark{width:40px;height:40px;border:none;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#56d48a,#1fa05c);box-shadow:0 6px 20px rgba(86,212,138,.35),0 2px 6px rgba(0,0,0,.2)}
.brand-mark svg{width:22px;height:22px;stroke-width:1.9}
.icon-btn{width:42px;height:42px;border-radius:13px;background:rgba(255,255,255,.045);border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;transition:.2s}
.icon-btn:hover{background:rgba(255,255,255,.075);transform:translateY(-1px)}
#uiLangBtn{width:auto;height:36px;border-radius:99px;padding:0 12px 0 10px;display:flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;letter-spacing:.04em;background:rgba(255,255,255,.055);border:1px solid var(--line)}
#uiLangBtn svg{width:15px;height:15px;opacity:.75;flex:none}
#uiLangBtn:hover{background:rgba(255,255,255,.09);transform:translateY(-1px)}
#uiLangBtn:disabled{opacity:.45;cursor:not-allowed;transform:none}
svg{width:20px;height:20px;display:block}
.lang-row{display:grid;grid-template-columns:1fr 52px 1fr;gap:10px;align-items:center}
.lang-box{height:62px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.035);display:flex;align-items:center;justify-content:center;gap:10px;font-size:.94rem;font-weight:600;letter-spacing:.01em;transition:.2s}
.lang-box.active{background:rgba(86,212,138,.08);border-color:rgba(86,212,138,.28);box-shadow:inset 0 0 0 1px rgba(86,212,138,.035)}
.lang-label{display:flex;align-items:center;gap:8px;white-space:nowrap}
.lang-prefix{font-size:.7rem;color:var(--muted);font-weight:500}
.swap{height:52px;width:52px;border-radius:17px;background:rgba(255,255,255,.055);border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;transition:.25s}
.swap:hover{transform:scale(1.035);background:rgba(255,255,255,.08)}
.swap i{width:21px;height:21px}
.direction{margin:12px 0 6px;text-align:center;color:var(--muted);font-size:.78rem;min-height:24px}
.stage{position:relative;display:grid;place-items:center;padding:28px 0 22px}
.mic-wrap{position:relative;width:300px;height:300px;display:grid;place-items:center}
.ring{position:absolute;border:1px solid rgba(86,212,138,.16);border-radius:50%;width:150px;height:150px;transition:.35s;animation:breath 3.2s ease-in-out infinite}
.ring.r2{width:190px;height:190px;animation-delay:.45s;opacity:.55}
.ring.r3{width:230px;height:230px;animation-delay:.9s;opacity:.28}
.mic{position:relative;width:132px;height:132px;border-radius:50%;background:linear-gradient(145deg,#55d88a,#2c9e62);display:grid;place-items:center;cursor:pointer;box-shadow:0 0 0 0 rgba(86,212,138,.34),0 22px 55px rgba(0,0,0,.28);transition:.25s;z-index:2}
.mic:hover{transform:translateY(-2px);box-shadow:0 0 0 10px rgba(86,212,138,.07),0 25px 60px rgba(0,0,0,.34)}
.mic.live{background:linear-gradient(145deg,#ff6a70,#dc3e4a);box-shadow:0 0 0 12px rgba(255,95,103,.08),0 0 70px rgba(255,95,103,.18),0 25px 60px rgba(0,0,0,.34)}
.mic-wrap.live .ring{border-color:rgba(255,95,103,.3);animation-duration:1.55s}
.mic-wrap.connecting .mic{opacity:.65}
.mic svg{width:48px;height:48px;stroke-width:1.65}
.state{position:absolute;top:18px;right:50%;transform:translateX(50%);font-size:.74rem;color:var(--muted);white-space:nowrap}
.audio-visualizer{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:300px;height:300px;pointer-events:none;z-index:1;opacity:.96}
#audioVisualizer canvas{width:100%;height:100%;display:block}
.audio-visualizer::after{content:"";position:absolute;inset:30px;border-radius:50%;border:1px solid rgba(86,212,138,.055);box-shadow:inset 0 0 34px rgba(86,212,138,.035)}
.mic-wrap.live .audio-visualizer::after{border-color:rgba(255,95,103,.09);box-shadow:inset 0 0 42px rgba(255,95,103,.045)}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.card{min-height:138px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.018));padding:18px;box-shadow:0 12px 35px rgba(0,0,0,.12)}
.card-head{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.76rem;margin-bottom:12px}
.card-head svg{width:18px;height:18px}
.card-text{font-size:calc(1rem * var(--font-scale,1));line-height:1.9;min-height:58px}
.placeholder{color:#607778}
.actions{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.action{width:100%;height:58px;border:1px solid var(--line);background:rgba(255,255,255,.035);border-radius:17px;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:10px;cursor:pointer;overflow:hidden;transition:.2s;padding:0 18px}
.action:disabled, .icon-btn:disabled, .swap:disabled { opacity: .45; cursor: not-allowed; }
.action:hover:not(:disabled){background:rgba(255,255,255,.065);transform:translateY(-1px)}
.action.on{border-color:rgba(86,212,138,.3);background:rgba(86,212,138,.08)}
.action.muted{border-color:rgba(255,95,103,.35);background:rgba(255,95,103,.08)}
.action svg{width:22px;height:22px;flex:none}
.action span{font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.settings{margin-top:12px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.025);overflow:visible;position:relative;z-index:10}
.settings summary{list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;font-size:.92rem}
.settings summary::-webkit-details-marker{display:none}
.settings-title{display:flex;align-items:center;gap:9px}
.settings-title svg{width:20px;height:20px;color:var(--gold)}
.settings-grid{padding:0 16px 16px;display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:11}
.field{border:1px solid var(--line);border-radius:18px;padding:15px;background:rgba(255,255,255,.018);position:relative;z-index:1}
.field label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.72rem;margin-bottom:12px}
.field label i{width:16px;height:16px;color:var(--gold)}
.native-select{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.choice-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.choice{height:52px;border-radius:15px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--text);display:flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:.82rem;cursor:pointer;transition:.18s}
.choice:hover{background:rgba(255,255,255,.055);border-color:rgba(86,212,138,.25)}
.choice.active{background:rgba(86,212,138,.11);border-color:rgba(86,212,138,.42);box-shadow:inset 0 0 0 1px rgba(86,212,138,.08)}
.choice i{width:19px;height:19px}
.slider-wrap{display:flex;align-items:center;gap:12px}
.range{direction:ltr;appearance:none;-webkit-appearance:none;width:100%;height:5px;border-radius:99px;background:linear-gradient(90deg,#55d88a 0%,#55d88a var(--range),rgba(255,255,255,.12) var(--range),rgba(255,255,255,.12) 100%);outline:none;cursor:pointer}
.range::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:17px;height:17px;border-radius:50%;background:#f3fff7;border:3px solid #3ebf76;box-shadow:0 3px 12px rgba(0,0,0,.3)}
.range::-moz-range-thumb{width:17px;height:17px;border-radius:50%;background:#f3fff7;border:3px solid #3ebf76;box-shadow:0 3px 12px rgba(0,0,0,.3)}
.range-value{min-width:48px;text-align:center;font-size:.75rem;color:var(--text);font-variant-numeric:tabular-nums}
.range-endpoints{direction:ltr;display:flex;justify-content:space-between;margin-top:8px;color:var(--muted);font-size:.64rem}
.voice-note{min-height:52px;border:1px solid var(--line);border-radius:15px;display:flex;align-items:center;padding:0 13px;color:var(--muted);font-size:.75rem;line-height:1.5;background:rgba(255,255,255,.02)}
.voice-picker{position:relative;z-index:30}
.voice-trigger{width:100%;height:52px;border-radius:15px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px;font:inherit;font-size:.8rem;cursor:pointer;transition:.18s}
.voice-trigger:hover,.voice-picker.open .voice-trigger{border-color:rgba(86,212,138,.35);background:rgba(86,212,138,.045);box-shadow:0 0 0 4px rgba(86,212,138,.04)}
.voice-trigger svg{width:17px;height:17px;opacity:.7;transition:.18s}
.voice-picker.open .voice-trigger svg{transform:rotate(180deg)}
.voice-menu{position:absolute;z-index:200;left:0;right:0;top:calc(100% + 7px);padding:6px;max-height:230px;overflow:auto;border:1px solid rgba(255,255,255,.12);border-radius:17px;background:rgba(9,28,33,.99);box-shadow:0 18px 45px rgba(0,0,0,.42);opacity:0;visibility:hidden;transform:translateY(-5px) scale(.985);transform-origin:top center;transition:.16s}
.voice-picker.open .voice-menu{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.voice-option{width:100%;min-height:42px;border:0;border-radius:12px;background:transparent;color:var(--text);display:flex;align-items:center;justify-content:space-between;padding:0 12px;font:inherit;cursor:pointer;text-align:inherit}
.voice-option:hover{background:rgba(255,255,255,.055)}
.voice-option.selected{background:linear-gradient(90deg,rgba(86,212,138,.20),rgba(86,212,138,.07))}
.voice-option svg{width:17px;height:17px;opacity:0;transform:scale(.7);transition:.16s}
.voice-option.selected svg{opacity:1;transform:scale(1);color:#74e6a4}
.setting-hint{margin-top:7px;color:var(--muted);font-size:.62rem;line-height:1.45}.voice-preview{width:100%;height:44px;margin-top:9px;border:1px solid rgba(86,212,138,.22);border-radius:14px;background:rgba(86,212,138,.055);color:var(--text);display:flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:.72rem;cursor:pointer;transition:.18s}.voice-preview:hover{background:rgba(86,212,138,.10);border-color:rgba(86,212,138,.38);transform:translateY(-1px)}.voice-preview:disabled{opacity:.55;cursor:wait;transform:none}.voice-preview svg{width:17px;height:17px}
.voice-note{min-height:auto;border:0;padding:7px 2px 0;color:var(--muted);font-size:.64rem;line-height:1.5;background:none}
body.light .voice-trigger{background:rgba(13,37,42,.025)}
body.light .voice-menu{background:rgba(255,255,255,.98);border-color:rgba(13,37,42,.12);box-shadow:0 18px 40px rgba(13,37,42,.16)}
body.light .voice-option{color:var(--text)}
body.light .voice-option.selected{background:rgba(42,166,103,.10)}
body.light .choice{background:rgba(13,37,42,.025)}
body.light .choice.active{background:rgba(42,166,103,.09)}
body.light .range{background:linear-gradient(90deg,#2aa667 0%,#2aa667 var(--range),rgba(13,37,42,.12) var(--range),rgba(13,37,42,.12) 100%)}
.error{display:none;margin-top:12px;padding:12px 14px;border-radius:14px;background:rgba(255,95,103,.08);border:1px solid rgba(255,95,103,.22);color:#ff9a9f;font-size:.72rem;line-height:1.7}
.error.show{display:block}
.footer{text-align:center;color:#567071;font-size:.62rem;margin-top:0;min-height:0}
body.light{--bg:#edf5f4;--panel:#fff;--panel2:#f8fbfa;--line:rgba(13,37,42,.12);--text:#183036;--muted:#63797b}
body.light .lang-box,body.light .action,body.light .card,body.light .settings{background:rgba(255,255,255,.72)}
body.light .field select{background:#fff;color:var(--text)}
@keyframes breath{0%,100%{transform:scale(.96);opacity:.65}50%{transform:scale(1.04);opacity:1}}
@media(max-width:640px){
 .app{padding:12px 12px 24px}
 .header{margin-bottom:10px}
 .brand{font-size:.9rem}
 .brand-mark,.icon-btn{width:38px;height:38px}
 .lang-row{grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:7px}
 .lang-box{height:48px;border-radius:15px;font-size:.75rem;min-width:0;white-space:nowrap}
 .swap{width:44px;height:44px;border-radius:14px}
 .direction{font-size:.8rem;margin:8px 0 0}
 .stage{padding:10px 0 6px}
 .mic-wrap{width:220px;height:220px}
 .mic{width:115px;height:115px}
 .mic svg{width:46px;height:46px}
 .ring{width:130px;height:130px}.ring.r2{width:165px;height:165px}.ring.r3{width:200px;height:200px}
 .state{top:-12px;font-size:.8rem}
 .audio-visualizer{width:220px;height:220px}
 .audio-visualizer::after{inset:22px}
 .cards{grid-template-columns:1fr;gap:9px;margin-top:5px}
 .card{min-height:112px;padding:14px;border-radius:18px}
 .card-head{margin-bottom:6px}
 .card-text{font-size:1.05rem;min-height:48px;line-height:1.6}
 .actions{gap:8px;margin-top:9px}
 .action{height:54px;border-radius:15px;padding:0 14px;gap:9px}
 .action span{font-size:.85rem}
 .action svg{width:20px;height:20px}
 .settings{border-radius:18px}
 .settings summary{padding:15px 16px;font-size:.88rem}
 .settings-grid{grid-template-columns:1fr;padding:0 12px 12px;gap:8px}
 .field{padding:11px;border-radius:15px}
 .field label{font-size:.65rem}
 .choice{height:48px;font-size:.85rem}
 .range{height:4px}
}