:root{color-scheme:dark;--bg:#090b0e;--text:#eceeee;--muted:#899195;--accent:#c0ddd9;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}
body{margin:0;min-width:280px;min-height:100svh;color:var(--text);background:radial-gradient(ellipse at 20% 35%,#12202785,transparent 55%),radial-gradient(ellipse at 85% 78%,#10222270,transparent 50%),var(--bg);-webkit-font-smoothing:antialiased}
button,textarea{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:#adcec8;color:#101416}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-80px;left:24px;z-index:10;padding:10px 18px;background:var(--text);color:var(--bg);border-radius:8px}.skip-link:focus{top:12px}
#field{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}.field-shade{position:fixed;inset:0;pointer-events:none;z-index:1;background:radial-gradient(ellipse at 50% 48%,#090b0e00 20%,#090b0e0d 55%,#090b0e65 100%)}
.site-header{position:relative;z-index:2;display:flex;align-items:center;gap:28px;padding:30px 38px;padding-top:max(30px,env(safe-area-inset-top));padding-left:max(38px,env(safe-area-inset-left));height:96px}.brand{font-size:26px;font-weight:550;letter-spacing:-1.3px;line-height:1;display:inline-block}.brand span{color:#a5c9c4}.account-actions{display:flex;align-items:center;gap:9px}.account-actions button{font-size:12px;border-radius:8px;padding:9px 15px;min-height:36px;transition:background .2s,color .2s,border-color .2s}.login-button{background:transparent;border:1px solid transparent;color:#a5adb0}.login-button:hover{color:#f3f4f4;background:#ffffff08}.register-button{display:flex;align-items:center;gap:16px;background:#e0e6e50b;border:1px solid #d9e9e122;color:#dbe2e0}.register-button:hover{background:#e0e6e516;border-color:#d9e9e140}.register-button span{font-size:15px}
main{position:relative;z-index:2;min-height:calc(100svh - 178px);display:grid;align-items:center;justify-items:center;padding:40px 24px 80px;pointer-events:none}.conversation-entry{width:min(100%,720px);transform:translateY(-4px);pointer-events:auto}
.composer{padding:23px 21px 16px;border:1px solid #c3d4db2a;border-radius:22px;background:linear-gradient(135deg,#1b2329e6,#12191ee8);box-shadow:0 12px 60px #0003,inset 0 1px 0 #ffffff04;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);transition:border-color .25s,box-shadow .25s}.composer:focus-within{border-color:#b5d8d261;box-shadow:0 12px 60px #0003,0 0 36px #9ce6d206,inset 0 1px 0 #ffffff06}
textarea{display:block;width:100%;min-height:68px;max-height:220px;resize:none;border:0;outline:none;padding:0 3px;background:none;font-size:17px;line-height:1.75;caret-color:#d1ece5;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#485358 transparent}textarea::placeholder{color:#b3babe;opacity:1}
.composer-bottom{display:flex;align-items:center;gap:12px;min-height:36px;margin-top:12px}.composer-mark{color:#6a7e80;display:flex;padding:4px}.composer-mark svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.25}.keyboard-hint{font-size:10px;color:#7a858b;opacity:0;transition:opacity .2s}.composer:focus-within .keyboard-hint{opacity:1}
.send-button{display:grid;place-items:center;width:36px;height:36px;flex:none;margin-left:auto;padding:0;border:0;border-radius:50%;background:#e0ebe8;color:#172323;transition:background .2s,transform .2s,color .2s}.send-button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.send-button:disabled{cursor:default;color:#69777e;background:#b7c5ce14}.send-button:not(:disabled):hover{background:#fff;transform:translateY(-1px)}
.chat-status{font-size:11px;line-height:1.8;color:#7f8b92;text-align:center;min-height:20px;margin:17px 16px 0;transition:color .2s}.chat-status.notice{color:#b7c8c7}.site-footer{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:20px 38px 24px;padding-bottom:max(24px,env(safe-area-inset-bottom));height:82px;gap:20px}.ambient-label{font-size:10px;letter-spacing:1px;color:#65757c}
.motion-toggle{display:grid;place-items:center;width:32px;height:32px;border:1px solid #a3bec518;border-radius:50%;background:#10171b55;color:#7e9097;transition:color .2s,border-color .2s}.motion-toggle:hover{color:#d7e7e6;border-color:#c0ddd950}.motion-toggle svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}.motion-toggle .play-icon{display:none}.motion-toggle[aria-pressed=true] .pause-icon{display:none}.motion-toggle[aria-pressed=true] .play-icon{display:block}
 dialog{width:min(400px,calc(100% - 40px));padding:38px 30px 28px;border:1px solid #d1e3e425;border-radius:20px;background:#151c20;color:var(--text);box-shadow:0 30px 120px #0009}dialog::backdrop{background:#05080b99;backdrop-filter:blur(8px)}.dialog-close{position:absolute;right:14px;top:14px;display:grid;place-items:center;width:32px;height:32px;padding:7px;border:0;border-radius:50%;background:none;color:#a5b2b5}.dialog-close:hover{background:#ffffff08}.dialog-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.25}.dialog-brand{font-size:22px;font-weight:550;letter-spacing:-1px;color:#adcac5}dialog h2{font-size:21px;font-weight:500;line-height:1.5;margin:27px 0 14px;letter-spacing:-.5px}dialog p{font-size:13px;line-height:1.9;color:#9eafb4;margin:0 0 28px}.dialog-done{display:block;width:100%;background:#d6e5e0;color:#15221f;border:0;border-radius:9px;min-height:43px;font-size:13px}.dialog-done:hover{background:#e8f2ee}.no-script{font-size:12px;color:#a8b7bb;text-align:center}
@media(max-width:600px){.site-header{height:84px;padding:24px 22px;gap:20px}.brand{font-size:24px}.account-actions{gap:4px}.account-actions button{padding:9px 12px;min-height:36px}.register-button{gap:12px}main{min-height:calc(100svh - 160px);padding:24px 20px 65px}.composer{border-radius:19px;padding:20px 17px 14px}textarea{font-size:16px;min-height:65px}.composer-bottom{margin-top:10px}.keyboard-hint{display:none}.site-footer{height:76px;padding:18px 22px 24px}.ambient-label{font-size:9px;letter-spacing:.5px}.chat-status{font-size:10px;margin:15px 5px 0}.motion-toggle{width:34px;height:34px}}
@media(max-height:500px){main{min-height:220px;padding:20px 24px}.site-header{height:74px;padding-top:18px;padding-bottom:18px}.site-footer{height:60px;padding-top:10px;padding-bottom:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}