:root{--bg:#171717;--panel:#202020;--panel2:#282828;--border:#ffffff12;--text:#f1f1f1;--muted:#999;--accent:#7c3aed}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 15%,#7c3aed22,transparent 35%),var(--bg)}.card{width:min(420px,100%);padding:30px;background:#202020eF;border:1px solid var(--border);border-radius:20px}.logo{display:flex;gap:12px;align-items:center;margin-bottom:25px}.logo b,.welcome>b,.user>b{display:grid;place-items:center;background:linear-gradient(135deg,#8b5cf6,#4f46e5);border-radius:12px;width:45px;height:45px}.logo h1{margin:0}.logo small,p,.hint{color:var(--muted)}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#292929;padding:4px;border-radius:9px}.tabs button{border:0;background:none;color:var(--muted);padding:9px;border-radius:7px}.tabs .active{background:#181818;color:#fff}label{display:block;margin:16px 0 7px;font-size:13px;font-weight:600}input,textarea,.readonly{width:100%;background:#181818;border:1px solid var(--border);border-radius:10px;color:#fff;padding:11px;outline:none}input:focus,textarea:focus{border-color:#8b5cf6aa}.primary{border:0;background:var(--accent);color:#fff;padding:11px 16px;border-radius:9px}.auth form .primary{width:100%;margin-top:8px}#authError{color:#fca5a5;margin-top:10px;font-size:13px;min-height:18px}#app{height:100vh;display:flex}aside{width:280px;flex:0 0 280px;background:#1c1c1c;border-right:1px solid var(--border);padding:14px;display:flex;flex-direction:column}.sidehead{display:flex;justify-content:space-between;padding:5px 5px 17px}.sidehead button,header button,#x{background:none;border:0;color:#aaa;font-size:20px}.new{padding:11px;text-align:left;background:#282828;border:1px solid var(--border);border-radius:9px;color:#fff}.label{color:#777;margin:20px 8px 8px;text-transform:uppercase;letter-spacing:.08em}.chat{padding:10px;border-radius:8px;color:#ccc;display:flex;gap:7px}.chat:hover,.chat.active{background:#2b2b2b;color:#fff}.chat span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.chat button{border:0;background:none;color:#777}.bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:8px}.bottom>button{display:block;width:100%;padding:10px;background:none;border:0;color:#ccc;text-align:left;border-radius:8px}.bottom>button:hover{background:#2a2a2a}.user{display:flex;align-items:center;gap:9px;padding:12px 4px 3px}.user>b{width:32px;height:32px;border-radius:50%;font-size:12px}main{flex:1;min-width:0;display:flex;flex-direction:column}header{height:55px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 15px}header #open{display:none}#messages{flex:1;overflow:auto;padding:30px max(18px,calc((100% - 850px)/2))}.welcome{height:100%;display:grid;place-content:center;justify-items:center;text-align:center;color:var(--muted)}.welcome>b{width:58px;height:58px;font-size:23px}.welcome h2{color:#fff;margin-bottom:0}.message{display:flex;gap:13px;margin:0 auto 27px;max-width:850px;line-height:1.65}.message.user{flex-direction:row-reverse}.message-avatar{width:31px;height:31px;flex:none;border-radius:10px;background:#2b2b2b;display:grid;place-items:center;font-size:11px;font-weight:700}.message.user .message-avatar{background:var(--accent)}.body{max-width:calc(100% - 45px);min-width:0}.user .body{background:#292929;padding:9px 13px;border-radius:14px;line-height:1.5}.body pre{overflow:auto;background:#111;padding:12px;border-radius:9px}.body code{font-family:Consolas,monospace}.composer{width:min(850px,calc(100% - 30px));margin:auto;padding:10px 0 16px}.composer form{display:flex;align-items:end;gap:8px;background:#252525;border:1px solid var(--border);padding:9px 9px 9px 14px;border-radius:16px}.composer textarea{resize:none;border:0;background:transparent;box-shadow:none;max-height:180px;padding:5px 0}.composer textarea:focus{border:0}.composer button{width:36px;height:36px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:19px}.composer button:disabled{opacity:.4}.composer>small{display:block;text-align:center;color:#666;font-size:10px;margin-top:7px}#modal{position:fixed;inset:0;display:grid;place-items:center;padding:20px;z-index:10}.backdrop{position:absolute;inset:0;background:#000a;backdrop-filter:blur(4px)}.modal{position:relative;width:min(600px,100%);max-height:90vh;overflow:auto;background:#202020;border:1px solid var(--border);border-radius:16px;padding:22px}.modal>#x{position:absolute;right:14px;top:12px}.disabled{display:inline-block;color:#86efac;background:#22c55e18;padding:8px 11px;border-radius:8px;font-size:13px}.actions{display:flex;justify-content:end;gap:8px;margin-top:15px}.actions button{border:0;border-radius:9px;padding:10px 15px;background:#2b2b2b;color:#fff}#status{margin-top:9px;color:#86efac;font-size:13px}@media(max-width:700px){aside{position:fixed;z-index:20;height:100%;transform:translateX(-100%);transition:.2s;box-shadow:15px 0 40px #0008}aside.open{transform:none}header #open{display:block}#messages{padding:20px 12px}.composer{width:calc(100% - 16px)}}


/* Polished scrollbars */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#3a3d45;border-radius:999px;border:3px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:#565b66;border:3px solid transparent;background-clip:padding-box}
*{scrollbar-width:thin;scrollbar-color:#3a3d45 transparent}
.message .body{overflow-wrap:anywhere}
.body pre{border:1px solid #ffffff0d;max-width:100%}
.body a{color:#a78bfa}
.streaming::after{content:'▋';margin-left:2px;animation:blink .8s step-end infinite;color:#a78bfa}
@keyframes blink{50%{opacity:0}}