:root{--bg:#06111f;--panel:#0b1b30;--panel2:#10243d;--line:#1e3654;--text:#f5f8fc;--muted:#8ea5bf;--blue:#1677ff;--blue2:#64a6ff;--red:#ef3340;--shadow:0 24px 70px rgba(0,0,0,.35)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}.muted{color:var(--muted)}.small{font-size:12px}.brand-mark{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;font-weight:900;font-size:28px;background:linear-gradient(145deg,var(--blue),#0d4fbd);box-shadow:0 10px 30px rgba(22,119,255,.28);position:relative;overflow:hidden}.brand-mark:after{content:"";position:absolute;width:28px;height:5px;background:var(--red);right:-5px;bottom:9px;transform:rotate(-20deg)}.smallmark{width:40px;height:40px;border-radius:12px;font-size:20px}.eyebrow{font-size:10px;letter-spacing:.22em;color:var(--blue2);font-weight:800}.login-body,.settings-body{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 0%,#12345c 0,transparent 35%),radial-gradient(circle at 100% 100%,#2d1119 0,transparent 28%),var(--bg)}.login-card,.settings-card{width:min(460px,100%);padding:34px;border:1px solid var(--line);background:rgba(11,27,48,.92);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.settings-card.wide{width:min(780px,100%)}h1{margin:12px 0 5px;font-size:32px}label{display:block;margin:18px 0 8px;font-size:13px;color:#c8d6e7;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);background:#071629;color:var(--text);padding:13px 14px;border-radius:13px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,119,255,.12)}textarea{resize:vertical}.btn{border:0;border-radius:13px;padding:13px 17px;font-weight:800;cursor:pointer}.btn.primary{background:linear-gradient(135deg,var(--blue),#0d5ed7);color:white;margin-top:20px}.btn.full{width:100%}.alert,.success{padding:12px 14px;border-radius:12px;margin:16px 0;font-size:13px}.alert{background:rgba(239,51,64,.12);border:1px solid rgba(239,51,64,.35);color:#ffc5ca}.success{background:rgba(33,190,120,.12);border:1px solid rgba(33,190,120,.3);color:#b8f3d6}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.back{color:var(--blue2);text-decoration:none}.app-body{height:100vh;overflow:hidden}.shell{height:100vh;display:grid;grid-template-columns:290px 1fr}.sidebar{background:#071426;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px;min-width:0}.side-head{display:flex;gap:11px;align-items:center;margin-bottom:18px}.side-head div:nth-child(2){display:flex;flex-direction:column}.side-head span{font-size:11px;color:var(--muted);margin-top:3px}.chat-list{overflow:auto;margin:16px -6px 10px;padding:0 6px;display:flex;flex-direction:column;gap:5px}.chat-item{background:transparent;border:0;color:#cbd8e7;border-radius:11px;padding:10px 11px;text-align:left;display:flex;justify-content:space-between;gap:8px;cursor:pointer}.chat-item:hover,.chat-item.active{background:#10243d;color:white}.chat-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item small{color:#68809a;white-space:nowrap}.side-footer{margin-top:auto;border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column}.side-footer a{color:#9eb2c8;text-decoration:none;padding:9px;border-radius:9px}.side-footer a:hover{background:#10243d;color:white}.workspace{min-width:0;display:grid;grid-template-rows:68px 1fr auto;background:radial-gradient(circle at 50% -20%,#102c50 0,transparent 33%),#081525}.topbar{border-bottom:1px solid rgba(30,54,84,.7);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:rgba(8,21,37,.78);backdrop-filter:blur(14px)}.top-title{font-weight:800}.model-pill{font-size:10px;color:var(--blue2);margin-top:3px;text-transform:uppercase;letter-spacing:.08em}.install-btn,.icon-btn{background:#10243d;border:1px solid var(--line);color:white;border-radius:10px;padding:8px 11px;cursor:pointer}.messages{overflow:auto;padding:30px max(24px,calc((100vw - 930px)/2));scroll-behavior:smooth}.welcome{text-align:center;max-width:700px;margin:8vh auto 0}.orb{width:78px;height:78px;border-radius:27px;margin:0 auto 22px;display:grid;place-items:center;font-weight:900;font-size:38px;background:linear-gradient(145deg,#1a82ff,#0c49a3);box-shadow:0 0 70px rgba(22,119,255,.25);position:relative}.orb:after{content:"";position:absolute;width:38px;height:6px;background:var(--red);right:-7px;bottom:13px;transform:rotate(-22deg)}.welcome h2{font-size:32px;margin:0}.welcome p{color:var(--muted);font-size:18px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:34px}.quick-grid button{padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(16,36,61,.65);color:#dfe9f5;text-align:left;cursor:pointer}.quick-grid button:hover{border-color:#31649b;background:#102c4b}.msg-row{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;margin:0 auto 23px;max-width:900px}.avatar{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:12px;font-weight:800;background:#132b48;color:#9fc6ff}.msg-row.user .avatar{background:#26364b;color:#fff}.bubble{line-height:1.65;color:#e9f0f8;padding:3px 0;overflow-wrap:anywhere}.msg-row.user .bubble{color:#fff}.bubble pre{background:#020911;border:1px solid #183049;border-radius:13px;padding:14px;overflow:auto;white-space:pre-wrap}.loading{display:flex;gap:5px;padding-top:11px}.loading span{width:7px;height:7px;background:#6f8daa;border-radius:50%;animation:pulse 1.1s infinite}.loading span:nth-child(2){animation-delay:.15s}.loading span:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.composer-wrap{padding:12px max(24px,calc((100vw - 930px)/2)) 18px;background:linear-gradient(180deg,transparent,#081525 23%)}.composer{max-width:900px;margin:auto;display:grid;grid-template-columns:1fr 48px;gap:10px;border:1px solid #29496d;background:#0d2037;border-radius:20px;padding:10px 10px 10px 16px;box-shadow:0 18px 60px rgba(0,0,0,.26)}.composer textarea{border:0;background:transparent;padding:8px 0;min-height:40px;max-height:180px;resize:none;box-shadow:none}.send-btn{width:44px;height:44px;border-radius:14px;border:0;background:linear-gradient(145deg,var(--blue),#0d5ed7);color:white;font-size:18px;cursor:pointer}.send-btn:disabled{opacity:.55}.composer-note{text-align:center;color:#617991;font-size:10px;margin-top:8px}.mobile-only{display:none}.settings-card .btn{width:100%}.settings-card p{line-height:1.55}
@media(max-width:799px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:20;inset:0 auto 0 0;width:min(88vw,320px);transform:translateX(-105%);transition:.2s;box-shadow:30px 0 80px rgba(0,0,0,.45)}.sidebar.open{transform:translateX(0)}.mobile-only{display:inline-grid;place-items:center}.side-head .mobile-only{margin-left:auto}.topbar{padding:0 14px}.topbar>div{flex:1;margin-left:12px}.messages{padding:24px 16px}.composer-wrap{padding:10px 12px 14px}.quick-grid{grid-template-columns:1fr}.welcome{margin-top:4vh}.welcome h2{font-size:27px}.form-grid{grid-template-columns:1fr;gap:0}}