:root{--bg:#07111d;--panel:#0d1b29;--panel2:#112436;--line:#21384d;--text:#edf7ff;--muted:#8da6ba;--sun:#f6b93b;--cyan:#38d6e8;--danger:#ff6b78;--ok:#40d697;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}.app-shell{height:100dvh;display:grid;grid-template-columns:280px 1fr;overflow:hidden}aside{background:#091725;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px}.brand{display:flex;align-items:center;gap:11px;padding:3px 5px 18px}.brand strong,.brand small,.aside-footer small{display:block}.brand small,.aside-footer small,.notice{color:var(--muted)}.sunny-mark{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff3b0,var(--sun) 45%,#c5790d);color:#16202a;font-size:29px;font-weight:900;box-shadow:0 0 30px #f6b93b4d}.sunny-mark.small{width:40px;height:40px;font-size:20px}.new-chat,.suggestions button{width:100%;border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:12px;padding:12px;cursor:pointer}.new-chat:hover,.suggestions button:hover{border-color:var(--cyan)}nav{overflow:auto;margin:12px 0;flex:1}.conversation{display:block;width:100%;text-align:left;padding:10px;border:0;border-radius:9px;background:transparent;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.conversation:hover,.conversation.active{background:var(--panel2);color:var(--text)}.aside-footer{display:flex;align-items:center;gap:9px;border-top:1px solid var(--line);padding-top:13px;font-size:12px;flex-wrap:wrap}.aside-footer span{margin-right:auto}.aside-footer a,.link-button{color:var(--muted);text-decoration:none;background:none;border:0;padding:0;cursor:pointer}.chat{min-width:0;display:grid;grid-template-rows:auto 1fr auto auto}.chat header{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;background:#081522cc;backdrop-filter:blur(12px)}.chat header h1{font-size:16px;margin:0 0 4px}.status{font-size:12px;color:var(--muted)}.status i{display:inline-block;width:7px;height:7px;background:var(--ok);border-radius:50%;margin-right:5px}.messages{overflow-y:auto;padding:28px max(24px,calc((100% - 850px)/2));scroll-behavior:smooth}.welcome{text-align:center;max-width:630px;margin:12vh auto 0}.welcome .sunny-mark{margin:auto}.welcome h2{font-size:30px;margin:22px 0 8px}.welcome p{color:var(--muted);line-height:1.6}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}.message{display:flex;gap:12px;margin:20px 0;line-height:1.6}.message.user{justify-content:flex-end}.bubble{max-width:78%;padding:13px 16px;border-radius:17px;background:var(--panel2);white-space:pre-wrap}.assistant .bubble{background:transparent;border:1px solid var(--line)}.feedback{margin-top:9px;display:flex;gap:6px}.feedback button{background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:12px;cursor:pointer;padding:4px 7px}.composer{display:flex;gap:9px;margin:0 auto;width:min(850px,calc(100% - 32px));padding:11px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.composer textarea{flex:1;border:0;outline:0;background:transparent;color:var(--text);resize:none;max-height:180px;padding:8px}.composer>button,.auth-card button,.settings-card button,.button{border:0;border-radius:12px;background:var(--sun);color:#17202a;font-weight:800;padding:11px 16px;cursor:pointer;text-decoration:none}.composer>button{width:43px;height:43px;padding:0;border-radius:50%}.notice{text-align:center;padding:8px 12px 13px;font-size:11px}#menu-button{display:none}.auth-body,.settings-body{display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0,#14304a,var(--bg) 50%)}.auth-card,.settings-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px}.settings-card{width:min(760px,100%)}.auth-card .sunny-mark{margin:auto}.auth-card h1{text-align:center}.auth-card>p{text-align:center;color:var(--muted)}form label{display:block;color:var(--muted);font-size:13px;margin:13px 0}form input{display:block;width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;background:#071421;color:var(--text);padding:11px}form label.check{display:flex;align-items:center;gap:8px}form label.check input{width:auto;margin:0}.auth-card form button,.settings-card form>button{width:100%;margin-top:12px}.error,.success{padding:10px;border-radius:9px}.error{background:#ff6b7820;color:#ff9ba4}.success{background:#40d69720;color:#72e5b2}.settings-card section{border-top:1px solid var(--line);padding-top:12px;margin-top:20px}dialog{width:min(760px,calc(100% - 30px));max-height:82dvh;border:1px solid var(--line);border-radius:16px;background:var(--panel);color:var(--text);padding:20px}dialog::backdrop{background:#0009}.dialog-head{display:flex;align-items:center}.dialog-head h2{flex:1}.dialog-head button{border:0;background:none;color:var(--text);font-size:28px}.knowledge-card{border:1px solid var(--line);border-radius:12px;padding:13px;margin:10px 0}.knowledge-card small{color:var(--muted)}.knowledge-actions{display:flex;gap:8px;margin-top:9px}.knowledge-actions button{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:8px;padding:6px 9px}.typing:after{content:' ···';animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.2}}@media(max-width:760px){.app-shell{grid-template-columns:1fr}aside{position:fixed;inset:0 auto 0 0;width:min(300px,88vw);z-index:5;transform:translateX(-102%);transition:.2s}.menu-open aside{transform:none;box-shadow:20px 0 50px #0009}#menu-button{display:block;border:0;background:none;color:var(--text);font-size:23px;margin-right:12px}.chat header{padding:0 14px}.messages{padding:20px 15px}.suggestions{grid-template-columns:1fr}.bubble{max-width:90%}.welcome{margin-top:7vh}.welcome h2{font-size:25px}}