:root{--bg: #f3f5f7;--surface: #ffffff;--surface-variant: #e8ebee;--on-surface: #191c1e;--on-surface-variant: #4a5155;--outline: #c4c9ce;--outline-variant: #e4e7ea;--primary: #00696b;--on-primary: #ffffff;--primary-container: #9df0f1;--on-primary-container: #002020;--success-container: #b7f0bd;--on-success-container: #04390f;--error: #ba1a1a;--error-container: #ffdad6;--on-error-container: #410002;--state-hover: rgba(0, 105, 107, .08);--elev-1: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--elev-2: 0 4px 12px rgba(16, 24, 40, .1), 0 1px 3px rgba(16, 24, 40, .08)}@media(prefers-color-scheme:dark){:root{--bg: #0f1416;--surface: #181e20;--surface-variant: #2a3237;--on-surface: #e0e3e4;--on-surface-variant: #bfc8cb;--outline: #3f484c;--outline-variant: #2a3237;--primary: #4fdadb;--on-primary: #003738;--primary-container: #004f50;--on-primary-container: #9df0f1;--success-container: #1e5023;--on-success-container: #b7f0bd;--error: #ffb4ab;--error-container: #5c1512;--on-error-container: #ffdad6;--state-hover: rgba(79, 218, 219, .12);--elev-1: 0 1px 2px rgba(0, 0, 0, .4), 0 1px 3px rgba(0, 0, 0, .3);--elev-2: 0 6px 16px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--on-surface);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h2{margin:0}svg{display:block}.appbar{position:sticky;top:0;z-index:10;background:var(--surface);border-bottom:1px solid var(--outline-variant)}.appbar-inner{max-width:1120px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--primary);color:var(--on-primary);display:flex;align-items:center;justify-content:center}.brand-mark svg{width:22px;height:22px}.brand-title{font-size:18px;font-weight:700;letter-spacing:-.01em}.brand-sub{font-size:12px;color:var(--on-surface-variant)}.app{max-width:1120px;margin:0 auto;padding:28px 24px;display:grid;gap:28px;grid-template-columns:1fr}@media(min-width:920px){.app{grid-template-columns:1.4fr 1fr;align-items:start}}.section-head{margin-bottom:16px}.section-head h2{font-size:20px;font-weight:700;letter-spacing:-.01em}.section-head .sub{margin:3px 0 0;font-size:13px;color:var(--on-surface-variant)}.error{color:var(--error);font-size:14px}.grid{display:grid;gap:16px}.card{background:var(--surface);border:1px solid var(--outline-variant);border-radius:18px;padding:20px;box-shadow:var(--elev-1)}.empty{text-align:center;padding:40px 24px}.empty-icon,.chat-empty-icon{width:52px;height:52px;border-radius:15px;background:var(--surface-variant);color:var(--on-surface-variant);display:inline-flex;align-items:center;justify-content:center}.empty-icon svg{width:26px;height:26px}.empty-title{font-weight:600;margin:12px 0 0}.empty-sub{font-size:13px;color:var(--on-surface-variant);margin:4px 0 0}.device-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.device-name{font-size:16px;font-weight:600}.device-meta{font-size:12px;color:var(--on-surface-variant);margin-top:3px}.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 11px;border-radius:20px;white-space:nowrap}.status .dot{width:8px;height:8px;border-radius:50%;background:currentColor}.status.on{background:var(--success-container);color:var(--on-success-container)}.status.off{background:var(--surface-variant);color:var(--on-surface-variant)}.talk{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--on-surface-variant);margin-top:14px;padding:9px 12px;background:var(--surface-variant);border-radius:12px}.talk svg{width:14px;height:14px;color:var(--primary);flex:none}.talk strong{color:var(--on-surface)}.controls{margin-top:16px;display:flex;flex-direction:column;gap:12px}.control-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.control-label{font-size:14px}.control-right{display:flex;align-items:center;gap:12px}.state-text{font-size:12px;font-weight:600;min-width:22px;text-align:right}.state-text.on{color:var(--primary)}.state-text.off{color:var(--on-surface-variant)}.switch{position:relative;width:52px;height:32px;border-radius:16px;border:2px solid var(--outline);background:var(--surface-variant);padding:0;cursor:pointer;flex:none;transition:background .18s,border-color .18s}.switch .thumb{position:absolute;top:50%;left:6px;width:16px;height:16px;border-radius:50%;background:var(--outline);transform:translateY(-50%);transition:left .18s,width .18s,height .18s,background .18s}.switch.on{background:var(--primary);border-color:var(--primary)}.switch.on .thumb{left:24px;width:22px;height:22px;background:var(--on-primary)}.switch:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.switch:disabled{opacity:.5;cursor:default}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chips.center{justify-content:center;margin-top:4px}.chip{font:inherit;font-size:12px;font-weight:500;padding:6px 12px;border-radius:18px;background:var(--surface-variant);color:var(--on-surface-variant);border:1px solid transparent}.chip.clickable{background:var(--surface);color:var(--on-surface);border:1px solid var(--outline);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.chip.clickable:hover{border-color:var(--primary);color:var(--primary);background:var(--state-hover)}.btn{font:inherit;font-size:14px;font-weight:600;border-radius:20px;padding:9px 18px;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:6px;transition:box-shadow .15s,background .15s}.btn svg{width:15px;height:15px}.btn.filled{background:var(--primary);color:var(--on-primary)}.btn.filled:hover{box-shadow:var(--elev-2)}.btn.filled:disabled{background:var(--surface-variant);color:var(--on-surface-variant);cursor:default;box-shadow:none}.btn.text{background:transparent;color:var(--primary);text-decoration:none}.btn.text:hover{background:var(--state-hover)}.claim{display:flex;flex-direction:column;gap:14px;margin-top:16px}.field{position:relative}.field input{width:100%;height:52px;padding:22px 14px 8px;border:1px solid var(--outline);border-radius:10px;background:var(--surface);color:var(--on-surface);font:inherit;font-size:14px}.field input:focus{outline:none;border-color:var(--primary);border-width:2px;padding:21px 13px 7px}.field label{position:absolute;left:14px;top:16px;color:var(--on-surface-variant);font-size:14px;pointer-events:none;transition:top .15s,font-size .15s,color .15s}.field input:focus+label,.field input:not(:placeholder-shown)+label{top:8px;font-size:11px;color:var(--primary)}.chat{padding:0;display:flex;flex-direction:column;height:580px;overflow:hidden}.chat-log{flex:1;overflow-y:auto;padding:18px}.chat-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--on-surface-variant);gap:4px}.chat-empty-icon{color:var(--on-primary-container);background:var(--primary-container);margin-bottom:10px}.chat-empty-icon svg{width:26px;height:26px}.chat-empty-title{font-size:16px;font-weight:600;color:var(--on-surface);margin:0}.chat-empty-sub{font-size:13px;margin:0 0 10px}.bubble-row{display:flex;gap:8px;margin:14px 0;align-items:flex-end}.bubble-row.me{flex-direction:row-reverse}.avatar{width:30px;height:30px;border-radius:50%;background:var(--primary-container);color:var(--on-primary-container);display:flex;align-items:center;justify-content:center;flex:none;font-size:13px;font-weight:700}.avatar svg{width:16px;height:16px}.avatar.you{background:var(--surface-variant);color:var(--on-surface-variant)}.avatar.err{background:var(--error-container);color:var(--on-error-container)}.bubble-wrap{display:flex;flex-direction:column;max-width:80%}.bubble-row.me .bubble-wrap{align-items:flex-end}.sender{font-size:11px;color:var(--on-surface-variant);margin:0 0 3px 6px}.bubble{padding:10px 14px;border-radius:18px;font-size:14px;line-height:1.5;overflow-wrap:anywhere}.bubble.them{background:var(--surface-variant);color:var(--on-surface);border-bottom-left-radius:5px}.bubble.me{background:var(--primary);color:var(--on-primary);border-bottom-right-radius:5px}.bubble.err{background:var(--error-container);color:var(--on-error-container);border-bottom-left-radius:5px}.exec{display:block;margin-top:5px;font-size:11px;font-weight:600;opacity:.85}.bubble.typing{display:flex;gap:5px;padding:14px}.bubble.typing span{width:7px;height:7px;border-radius:50%;background:var(--on-surface-variant);animation:blink 1.2s infinite}.bubble.typing span:nth-child(2){animation-delay:.2s}.bubble.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,60%,to{opacity:.3}30%{opacity:1}}.chat-input{display:flex;gap:10px;align-items:center;padding:14px;border-top:1px solid var(--outline-variant)}.chat-input input{flex:1;height:46px;border-radius:23px;border:1px solid var(--outline);background:var(--surface);color:var(--on-surface);font:inherit;font-size:14px;padding:0 18px}.chat-input input:focus{outline:none;border-color:var(--primary);border-width:2px;padding:0 17px}.send{width:46px;height:46px;border-radius:50%;border:none;background:var(--primary);color:var(--on-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;transition:box-shadow .15s}.send:hover{box-shadow:var(--elev-2)}.send:disabled{background:var(--surface-variant);color:var(--on-surface-variant);cursor:default;box-shadow:none}.send svg{width:20px;height:20px}.chat-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.icon-toggle{width:40px;height:40px;border-radius:50%;border:1px solid var(--outline);background:var(--surface);color:var(--on-surface-variant);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;transition:background .15s,color .15s,border-color .15s}.icon-toggle:hover{border-color:var(--primary);color:var(--primary)}.icon-toggle.active{background:var(--primary-container);border-color:transparent;color:var(--on-primary-container)}.icon-toggle svg{width:20px;height:20px}.chat-head-actions{display:flex;align-items:center;gap:8px;flex:none}.voice-select,.lang-select{max-width:170px;height:40px;padding:0 10px;border-radius:20px;border:1px solid var(--outline);background:var(--surface);color:var(--on-surface-variant);font-size:13px;cursor:pointer;transition:border-color .15s,color .15s}.lang-select{font-weight:600;text-align:center}.voice-select:hover,.lang-select:hover{border-color:var(--primary);color:var(--primary)}.mic{width:46px;height:46px;border-radius:50%;border:1px solid var(--outline);background:var(--surface);color:var(--on-surface-variant);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;transition:background .15s,color .15s,border-color .15s}.mic:hover{border-color:var(--primary);color:var(--primary)}.mic:disabled{opacity:.5;cursor:not-allowed}.mic svg{width:20px;height:20px}.mic.live{background:#d93025;border-color:transparent;color:#fff;animation:pulse 1.4s infinite}@keyframes pulse{0%{box-shadow:0 0 #d9302573}70%{box-shadow:0 0 0 12px #d9302500}to{box-shadow:0 0 #d9302500}}.foot{max-width:1120px;margin:0 auto;padding:8px 24px 36px;font-size:12px;color:var(--on-surface-variant)}.chat-log::-webkit-scrollbar{width:8px}.chat-log::-webkit-scrollbar-thumb{background:var(--outline);border-radius:4px}.chat-log::-webkit-scrollbar-track{background:transparent}