*{box-sizing:border-box} :root{color-scheme:dark;--bg:#0b0c0f;--panel:#111318;--line:#272b34;--text:#f2f3f5;--muted:#9299a7;--accent:#b7d0ff}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,system-ui,Segoe UI,sans-serif}.shell{height:100dvh;min-height:520px;display:flex;overflow:hidden}.sidebar{width:250px;flex-shrink:0;background:#0e1014;border-right:1px solid var(--line);padding:20px 13px 12px;display:flex;flex-direction:column;z-index:4}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:650;letter-spacing:-.05em;padding:0 8px 24px}.mark{display:grid;place-items:center;width:28px;height:28px;color:#d7e5ff}.mark img{width:30px;height:30px;object-fit:contain;display:block}.new{padding:11px;text-align:left;border:1px solid #30343d;border-radius:10px;background:#191c22;color:var(--text)}.label{font-size:10px;letter-spacing:.13em;color:#737987;font-weight:700;margin:28px 9px 9px}.nav{padding:10px 12px;text-align:left;border:0;border-radius:9px;background:transparent;color:#a8adba}.nav.active,.nav:hover{background:#1b1e25;color:white}.recent{display:flex;justify-content:space-between}.recent button{background:none;border:0;color:#8c93a0}.history{flex:1;overflow:auto;padding:0 2px}.history small{color:#747b88;padding:8px;display:block}.history button{display:block;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:none;border:0;text-align:left;padding:9px;border-radius:7px;color:#aeb4c0}.history button:hover{background:#1b1e25}.sidefoot{display:flex;align-items:center;gap:9px;border-top:1px solid var(--line);padding:14px 7px 3px}.sidefoot i,header .right i{width:7px;height:7px;border-radius:50%;background:#a9c8ff;display:inline-block}.sidefoot b,.sidefoot small{display:block}.sidefoot b{font-size:12px}.sidefoot small{font-size:10px;color:#8b92a0}.sidefoot em{margin-left:auto;font-style:normal;font-size:9px;color:#a9c8ff;border:1px solid #354258;border-radius:5px;padding:3px}.shell main{flex:1;min-width:0;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 20%,#151b27 0%,var(--bg) 55%)}header{height:62px;flex-shrink:0;display:flex;align-items:center;padding:0 26px;border-bottom:1px solid #ffffff08}header b{font-size:14px}.header-logo{width:25px;height:25px;object-fit:contain;margin-right:8px}.beta{font-size:9px;color:#a9c8ff;background:#1b2638;border:1px solid #2c3b54;border-radius:5px;padding:3px 6px;margin-left:8px}.right{margin-left:auto;display:flex;align-items:center;gap:15px}.right span{display:flex;align-items:center;gap:7px;color:#a5adba;font-size:11px}header button{background:none;border:0;color:#b2b9c5;font-size:18px}.shell main section{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column}.welcome{width:min(740px,calc(100% - 36px));margin:auto;text-align:center;padding:32px 0}.orb{width:58px;height:58px;margin:0 auto 23px;border:1px solid #35445b;border-radius:19px;background:linear-gradient(145deg,#202d42,#11151c);display:grid;place-items:center;color:#d1e1ff;box-shadow:0 0 55px #83b4ff13}.orb img{width:43px;height:43px;object-fit:contain;display:block;filter:drop-shadow(0 0 8px #7fb7ff40)}.eyebrow{font-size:10px;letter-spacing:.2em;color:#9eb8e5;font-weight:700;margin:0 0 10px}.welcome h1{font-size:clamp(30px,4vw,43px);line-height:1.15;letter-spacing:-.055em;font-weight:570;margin:0}.sub{color:#969daa;margin:13px 0 28px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;text-align:left}.cards button{padding:16px;border:1px solid #292f39;border-radius:13px;background:#12151b;color:var(--text);text-align:left;transition:.2s}.cards button:hover{border-color:#657c9e;transform:translateY(-1px)}.cards strong,.cards small{display:block}.cards strong{font-size:12px;font-weight:600}.cards small{font-size:11px;color:#858d9c;margin:5px 0 0 24px}.messages{width:min(760px,calc(100% - 36px));margin:0 auto;padding:24px 0;display:flex;flex-direction:column;gap:24px}.message{display:flex;gap:12px}.avatar{flex-shrink:0;width:28px;height:28px;border-radius:9px;border:1px solid #344258;background:#1a2434;color:#c4d8ff;display:grid;place-items:center;font-size:12px;font-weight:700}.message.user .avatar{background:#202329;border-color:#343840;color:#e6e8eb}.body{flex:1;min-width:0}.who{font-size:11px;font-weight:650;color:#a7bde1;margin:3px 0 7px}.message.user .who{color:#c6c9d0}.content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.75;color:#e0e3e9}.content.error{color:#ffb6b6}footer{padding:12px 22px 13px;background:linear-gradient(0deg,var(--bg) 72%,transparent);flex-shrink:0}form{width:min(760px,100%);margin:auto;border:1px solid #333945;background:#15181e;border-radius:17px;padding:12px 13px 10px;box-shadow:0 16px 60px #0005}form:focus-within{border-color:#5b6d89}textarea{width:100%;display:block;resize:none;max-height:180px;min-height:28px;border:0;outline:0;background:transparent;color:var(--text);padding:4px 5px 10px;font:inherit;line-height:1.5}textarea::placeholder{color:#747c8a}.composebottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.composebottom small{font-size:10px;color:#7f8795}.composebottom>div{display:flex;align-items:center;gap:10px}.composebottom span{font-size:10px;color:#6f7785}#send{width:33px;height:33px;border:0;border-radius:11px;background:var(--accent);color:#0b1526;font-size:22px;cursor:pointer}#send:disabled{opacity:.4}.disclaimer{text-align:center;color:#6f7682;font-size:10px;margin:9px 0 0}.mobile{display:none}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);opacity:0;background:#252a33;border:1px solid #3a414e;border-radius:10px;padding:10px 14px;transition:.2s;z-index:10}#toast.show{opacity:1;transform:translate(-50%,0)}body.light{--bg:#f5f6f8;--line:#e0e3e9;--text:#1b1d22;color-scheme:light}body.light .sidebar{background:#eceef2}body.light .shell main{background:radial-gradient(ellipse at 50% 20%,#e7edf8 0%,var(--bg) 55%)}body.light .new,body.light .cards button,body.light form{background:white}body.light .content{color:#2d313a}body.light .nav.active{background:#dfe3ea;color:#20242b}.mobile{background:none;border:0;color:inherit;font-size:18px}@media(max-width:700px){.sidebar{position:fixed;inset:0 auto 0 0;width:min(285px,85vw);transform:translateX(-105%);transition:transform .25s;box-shadow:none}.sidebar.open{transform:translateX(0);box-shadow:0 16px 60px #0008}.mobile{display:inline-block}.brand{justify-content:space-between}.brand .mobile{margin-left:auto}header{padding:0 14px;gap:10px}.right{gap:7px}.welcome{padding:26px 0}.welcome h1{font-size:32px}footer{padding:10px 12px 12px}.messages{width:calc(100% - 28px)}.composebottom small{max-width:185px}}@media(max-width:390px){.cards{grid-template-columns:1fr}.right span{display:none}.sub{margin-bottom:20px}}