:root{color-scheme:dark;--bg:#080e1b;--panel:#0c1526;--line:#223047;--text:#e8edf7;--muted:#92a0b7;--accent:#ad94ff;--mint:#72e5c4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif}button,textarea,input{font:inherit}button{cursor:pointer}.app{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;background:#0b1323;border-right:1px solid #1e2b40;padding:27px 17px;display:flex;flex-direction:column;gap:22px}.brand{display:flex;gap:12px;align-items:center;padding:0 9px}.logo,.hero-symbol{background:linear-gradient(145deg,#6653c7,#2c315e);border:1px solid #8874df;box-shadow:0 15px 60px #5f4eea35;display:grid;place-items:center;font-weight:750}.logo{width:42px;height:42px;border-radius:14px;font-size:24px;position:relative}.logo span,.hero-symbol span{position:absolute;color:var(--mint);font-size:12px;right:5px;top:4px}.brand strong{display:block;letter-spacing:3px;font-size:16px}.brand small{font-size:8px;color:var(--muted);letter-spacing:1.5px}.new-chat{background:#2b2752;border:1px solid #564d91;border-radius:11px;color:#eae5ff;padding:13px;text-align:left;font-weight:650}.new-chat:hover,.quick:hover,.tool:hover{border-color:var(--accent);background:#222543}.side-label{font-size:10px;letter-spacing:1.8px;color:#71809a;padding:0 10px;margin-bottom:-12px}.sidebar nav{display:grid;gap:5px}.navitem,.history button,.logout{width:100%;background:transparent;border:0;color:#9eaac0;text-align:left;border-radius:9px;padding:12px}.navitem.active,.navitem:hover,.history button:hover{background:#1b2640;color:#e7e6ff}.history{overflow:auto;max-height:38vh}.history button{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:16px}.online{font-size:11px;color:#b7c4d3;padding:10px 8px}.dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;margin-right:6px;box-shadow:0 0 12px var(--mint)}.logout{font-size:12px}.main{flex:1;min-width:0;display:flex;flex-direction:column;background:radial-gradient(ellipse 58% 42% at 60% 26%,#1a1b38 0%,transparent 70%),#080e1b}header{height:75px;border-bottom:1px solid #1b293c;display:flex;align-items:center;justify-content:space-between;padding:0 35px}.breadcrumb{font-size:10px;letter-spacing:1.8px;color:#77869f}.breadcrumb span{padding:0 10px}.breadcrumb b{color:#e5e6f0;font-weight:600}.header-right{display:flex;align-items:center;gap:19px}.private{font-size:9px;color:#94bcb4;letter-spacing:1.4px}.avatar-mini{height:32px;width:32px;display:grid;place-items:center;border-radius:50%;background:#514683;color:white}.mobile-menu{display:none;background:none;border:0;color:white}.view{flex:1;min-height:0;display:flex;flex-direction:column}.hidden{display:none!important}.welcome{max-width:830px;margin:auto;padding:44px 24px 20px;text-align:center}.eyebrow{font-size:10px;letter-spacing:2.4px;color:var(--mint);font-weight:750}.hero-symbol{position:relative;width:92px;height:92px;margin:26px auto 20px;border-radius:28px;font-size:56px;color:#fff}.hero-symbol span{font-size:21px;right:10px;top:8px}.hero-symbol.small{width:62px;height:62px;font-size:37px;border-radius:19px;margin:0 0 22px}.hero-symbol.small span{font-size:13px}.welcome h1,.content-page h1{font-size:clamp(36px,4vw,56px);line-height:1.12;letter-spacing:-2px;margin:14px 0}.welcome em,.content-page em{font-style:normal;color:#b69bff}.welcome p,.content-page>p{max-width:610px;color:#a9b5ca;font-size:15px;line-height:1.8;margin:15px auto 32px}.quick-grid,.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;text-align:left}.quick,.tool{background:#121d31b8;border:1px solid #293650;border-radius:15px;padding:19px;text-align:left;color:#eaf0ff;transition:.2s}.quick>span{display:block;color:var(--mint);font-size:23px;margin-bottom:13px}.quick strong,.tool strong{display:block;font-size:14px}.quick small,.tool small{display:block;color:#899bb6;font-size:11px;margin-top:7px}.composer-wrap{width:min(860px,calc(100% - 36px));margin:10px auto 20px}.composer{display:flex;align-items:flex-end;gap:12px;background:#131e32;border:1px solid #34425d;border-radius:18px;padding:10px 10px 10px 17px;box-shadow:0 16px 45px #0004}.composer:focus-within{border-color:#8979c9}.composer textarea{resize:none;min-height:36px;max-height:180px;flex:1;background:transparent;border:0;outline:0;color:white;padding:9px 0;line-height:1.5}.composer textarea::placeholder{color:#7d8ba4}.composer button{border:0;border-radius:11px;background:linear-gradient(135deg,#a48cf3,#7668d5);color:#101324;width:42px;height:42px;font-size:20px}.composer button:disabled{opacity:.5}.disclaimer{text-align:center;font-size:9px;letter-spacing:.6px;color:#6c7b93;padding-top:13px}.messages{width:min(860px,calc(100% - 36px));margin:0 auto;flex:1;overflow:auto;display:flex;flex-direction:column;gap:22px;padding:35px 0 20px}.message{display:flex;gap:14px;max-width:100%}.message.user{justify-content:flex-end}.bubble{max-width:86%;padding:16px 19px;border:1px solid #293853;border-radius:16px;background:#121e32;line-height:1.7;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.message.user .bubble{background:#2a2950;border-color:#524984}.chat-avatar{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:#514683;flex-shrink:0;font-weight:700}.content-page{max-width:900px;width:100%;margin:70px auto;padding:20px 30px}.content-page>p{margin:10px 0 40px}.tool-grid{gap:16px}.tool{font-size:27px;min-height:145px}.tool strong{margin-top:12px}.notice{border-left:2px solid var(--accent);color:#a9b6ca;background:#141d30;padding:18px 22px;margin-top:30px;font-size:12px;line-height:1.7}.about-panel{display:flex;align-items:center;gap:25px;padding:26px;border:1px solid var(--line);border-radius:18px;background:#121b2c}.about-panel .hero-symbol{flex-shrink:0}.about-panel h2{font-size:20px}.about-panel p{color:var(--muted);line-height:1.7}.login-overlay{position:fixed;inset:0;background:#080e1bef;backdrop-filter:blur(12px);display:grid;place-items:center;z-index:5;padding:20px}.login-card{width:min(410px,100%);background:#111b2d;border:1px solid #33405b;padding:38px;border-radius:24px;box-shadow:0 30px 120px #0009}.login-card h2{font-size:29px;margin-bottom:8px}.login-card p{color:#a5b3ca;line-height:1.6;font-size:13px}.login-card form{display:grid;gap:12px;margin-top:24px}.login-card input{background:#0a1324;border:1px solid #38445f;border-radius:10px;padding:14px;color:white;outline:none}.login-card button{background:#a48cf3;color:#11142c;border:0;border-radius:10px;padding:14px;font-weight:750}.error{color:#ffb4bc!important}@media(max-width:800px){.sidebar{position:fixed;z-index:3;height:100%;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.mobile-menu{display:block}header{padding:0 18px}.private{display:none}.welcome{padding:26px 18px}.hero-symbol{width:70px;height:70px;font-size:42px;margin:18px auto}.welcome h1{font-size:38px}.quick{padding:14px}.quick small{font-size:10px}.content-page{margin:25px auto;padding:20px}.about-panel{flex-direction:column;align-items:flex-start}}@media(max-width:430px){.quick-grid,.tool-grid{gap:8px}.quick strong{font-size:12px}.quick>span{margin-bottom:7px}.welcome p{font-size:13px}.disclaimer{font-size:8px}}