:root{color-scheme:dark;--bg:#07101a;--panel:#0c1724;--panel2:#101e2e;--line:#1b344b;--text:#e8f2fb;--muted:#8da7bc;--blue:#35a7ff;--green:#47d990;--danger:#ff6b72;font:16px/1.45 Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -20%,#123152,var(--bg) 48%);color:var(--text);min-height:100vh}button,input,textarea{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(430px,100%);background:rgba(12,23,36,.96);border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 24px 90px #0008}.brand{display:flex;align-items:center;gap:12px}.brand>div{display:grid;letter-spacing:.12em}.brand small{font-size:11px;color:var(--muted);letter-spacing:0}.mark,.hero-mark{display:grid;place-items:center;border:1px solid var(--blue);border-radius:14px;width:44px;height:44px;color:#85ceff;font-weight:800;background:#0a2033}.login-card h1{font-size:clamp(28px,7vw,42px);line-height:1.08;margin:36px 0 12px}.login-card>p,.privacy{color:var(--muted)}label{display:grid;gap:7px;margin:17px 0;color:#bcd0df;font-size:14px}input,textarea{border:1px solid var(--line);background:#07111c;color:var(--text);border-radius:12px;padding:13px;outline:none}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #35a7ff22}button{border:0;border-radius:11px;padding:11px 16px;background:var(--blue);color:#03101a;font-weight:750;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.login-card form button{width:100%;margin:8px 0 18px}.privacy{display:block;font-size:12px}.app-shell{height:100dvh;display:grid;grid-template:64px 1fr/300px 1fr;overflow:hidden;background:var(--bg)}header{grid-column:1/3;display:flex;align-items:center;gap:14px;padding:10px 18px;border-bottom:1px solid var(--line);background:#091421;z-index:4}.compact .mark{width:38px;height:38px}.compact small{color:var(--green)}.icon-button{display:none;background:transparent;color:var(--text);font-size:22px;padding:8px}.quiet{background:#12263a;color:#cde2f2;border:1px solid var(--line)}#installButton{margin-left:auto}aside{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--panel)}.drawer-head,.drawer-foot{padding:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}.drawer-head button{padding:8px 11px}#conversationList{overflow:auto;flex:1;padding:8px}.conversation{display:block;width:100%;text-align:left;margin:3px 0;padding:12px;background:transparent;color:#b7cbda;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation.active{background:var(--panel2);color:white;border:1px solid var(--line)}.drawer-foot{border:0;border-top:1px solid var(--line);flex-direction:column;align-items:stretch}.drawer-foot span{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}.chat{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0}.empty-state{margin:auto;text-align:center;max-width:520px;padding:30px}.hero-mark{width:72px;height:72px;border-radius:50%;margin:auto;font-size:24px}.empty-state h2{font-size:30px;margin-bottom:6px}.empty-state p{color:var(--muted)}#messages{overflow:auto;flex:1;padding:24px max(22px,calc((100% - 850px)/2));scroll-behavior:smooth}.message{max-width:760px;margin:0 0 22px}.message.user{margin-left:auto;background:var(--panel2);border:1px solid var(--line);border-radius:17px;padding:14px 16px}.message.assistant{padding:0 4px}.role{font-size:11px;color:var(--blue);text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px}.content{white-space:pre-wrap;overflow-wrap:anywhere}.typing::after{content:'▋';color:var(--blue);animation:blink .8s infinite}@keyframes blink{50%{opacity:0}}#composer{display:flex;gap:10px;padding:14px max(16px,calc((100% - 880px)/2)) max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#091421}textarea{resize:none;min-height:50px;max-height:160px;flex:1}#sendButton{width:82px}.toast{position:fixed;z-index:20;top:16px;left:50%;transform:translate(-50%,-140%);padding:10px 15px;border-radius:10px;background:#183149;border:1px solid #31536f;transition:.2s}.toast.show{transform:translate(-50%,0)}#scrim{display:none}
@media(max-width:760px){.app-shell{grid-template:60px 1fr/1fr}.icon-button{display:block}header{grid-column:1}.compact .mark{display:none}aside{position:fixed;z-index:8;inset:60px auto 0 0;width:min(86vw,320px);transform:translateX(-105%);transition:.2s;box-shadow:20px 0 60px #0009}aside.open{transform:none}#scrim{position:fixed;z-index:7;inset:60px 0 0;background:#0009}#scrim.open{display:block}#messages{padding:18px 14px}.empty-state h2{font-size:25px}.login-card{padding:25px 21px;border-radius:20px}}
.message-action{margin-top:10px;padding:6px 10px;border:1px solid #29445d;border-radius:8px;background:#0c1d2d;color:#a9c4dd;cursor:pointer;font-size:.78rem}.message-action:hover{background:#132a40;color:#fff}