:root{--nav:#071f43;--nav2:#102d5c;--cyan:#09bdd7;--blue:#2563eb;--bg:#f3f7fb;--text:#10213d;--muted:#6b7a96;--line:#dce5f0;--ok:#16a34a;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,Segoe UI,Arial,sans-serif}aside{position:fixed;inset:0 auto 0 0;width:245px;background:linear-gradient(180deg,var(--nav),var(--nav2));color:#fff;padding:24px 16px}.brand{display:flex;align-items:center;gap:11px;font-size:18px;margin:0 8px 26px}.brand span,.hero-mark{display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;font-weight:900;border-radius:12px;width:42px;height:42px}.brand b{max-width:150px}nav{display:grid;gap:5px}nav a{color:#bcd0ef;text-decoration:none;padding:11px 13px;border-radius:10px;font-weight:650}nav a:hover{background:#ffffff15;color:#fff}main{margin-left:245px;padding:28px;min-height:100vh}.public{margin:0;display:grid;place-items:center}.public header{display:none}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}header h1{margin:2px 0;font-size:27px}header small{color:var(--cyan);font-weight:750}.user-pill{background:#fff;border:1px solid var(--line);padding:10px 14px;border-radius:30px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.cards article,.panel,.plan-grid article{background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 26px #1933550b}.cards article{padding:22px}.cards span,.plan-grid span{color:var(--muted);text-transform:uppercase;font-weight:800;font-size:12px}.cards strong{display:block;font-size:29px;margin:8px 0}.cards small,td small{display:block;color:var(--muted)}.panel{padding:22px;margin-bottom:20px;overflow:auto}.panel h2{margin-top:0}.quick{display:flex;gap:12px;flex-wrap:wrap}.quick a,.button,.new-chat{padding:11px 15px;border-radius:10px;background:#eaf7fb;color:#087a92;text-decoration:none;font-weight:750}.inline-form,.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}form label{display:block;font-weight:700;margin-bottom:13px}input,select,textarea{width:100%;border:1px solid #cfdbea;border-radius:9px;padding:11px;background:#fff;color:var(--text);font:inherit;margin-top:5px}textarea{resize:vertical}button,.button{border:0;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;padding:12px 18px;border-radius:10px;font-weight:800;cursor:pointer}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #edf1f6;padding:12px}th{color:var(--muted);font-size:12px;text-transform:uppercase}.badge{padding:5px 9px;background:#dcfce7;color:#15803d;border-radius:30px;font-size:12px}.alert{padding:13px 15px;border-radius:10px;margin-bottom:15px}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.narrow{max-width:720px}.hint{color:var(--muted)}.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.plan-grid article{padding:22px}.plan-grid strong{display:block;font-size:26px;margin:10px 0}.login-card,.install-card{width:min(950px,94vw);background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 20px 60px #10213d20}.login-card{width:min(440px,94vw)}.login-card .hero-mark{margin-bottom:18px}.installer{margin:0;display:grid;place-items:center}.checks{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.checks span{padding:7px 10px;border-radius:20px}.checks .ok{background:#dcfce7;color:#166534}.checks .bad{background:#fee2e2;color:#991b1b}.grid{grid-template-columns:repeat(2,1fr)}.chat-layout{display:grid;grid-template-columns:250px 1fr;gap:18px;height:calc(100vh - 125px)}.chat-history,.chat-panel{background:#fff;border:1px solid var(--line);border-radius:16px}.chat-history{padding:12px;overflow:auto}.chat-history a{display:block;text-decoration:none;color:var(--text);padding:11px;border-radius:9px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-history a.active{background:#e8f7fc;color:#047c93}.chat-panel{display:flex;flex-direction:column;overflow:hidden}.messages{padding:24px;overflow:auto;flex:1}.message{max-width:78%;padding:14px 16px;border-radius:14px;margin:10px 0;background:#eef3f8}.message.user{margin-left:auto;background:#dff6fb}.message b{display:block;font-size:12px;margin-bottom:5px}.composer{display:flex;gap:10px;padding:15px;border-top:1px solid var(--line)}.composer textarea{margin:0}.empty{text-align:center;color:var(--muted);padding:60px}.empty .hero-mark{margin:auto;width:60px;height:60px}@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}.inline-form{grid-template-columns:1fr 1fr}.plan-grid{grid-template-columns:1fr}}@media(max-width:720px){aside{position:static;width:auto}main{margin:0;padding:16px}.cards,.grid,.inline-form{grid-template-columns:1fr}.chat-layout{grid-template-columns:1fr;height:auto}.chat-history{max-height:160px}.chat-panel{min-height:600px}header{align-items:flex-start}.user-pill{display:none}}