:root{color-scheme:dark;--bg:#07101f;--panel:#10213b;--line:#284464;--text:#edf5ff;--muted:#a8b9d1;--accent:#9fd9ff;--danger:#ffc1c1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(700px 500px at 100% 0,#1b446d 0%,transparent 70%),var(--bg);font:16px system-ui,sans-serif;color:var(--text)}header,main,footer{max-width:1080px;margin:auto;padding-left:24px;padding-right:24px}header{padding-top:18px;padding-bottom:18px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.13em}nav{display:flex;gap:14px;align-items:center}a{color:var(--accent)}nav a{text-decoration:none}nav form{margin:0}button,.button{background:#cfeaff;color:#10213b;border:0;border-radius:7px;padding:9px 12px;font-weight:750;text-decoration:none;cursor:pointer}.hero{max-width:700px;padding:15vh 0}.hero h1{font-size:clamp(2.7rem,7vw,5rem);line-height:1;margin:.3rem 0 1rem}.hero p{color:var(--muted);font-size:1.15rem;line-height:1.6}.eyebrow{letter-spacing:.12em;font-size:.76rem;font-weight:700;color:var(--accent)}.card{margin:32px 0;padding:22px;border:1px solid var(--line);background:var(--panel);border-radius:12px}.narrow{max-width:520px}form label{display:block;margin:14px 0;color:var(--muted)}input,textarea{display:block;width:100%;margin-top:6px;padding:10px;background:#081526;color:var(--text);border:1px solid var(--line);border-radius:6px;font:inherit}textarea{min-height:120px}.flash{padding:10px;border-radius:6px}.flash.error{background:#58262d;color:var(--danger)}.flash.success{background:#173f36}.metrics{display:flex;gap:14px;flex-wrap:wrap}.metrics div{min-width:120px;padding:14px;background:#09182b}.metrics b,.metrics span{display:block}.metrics b{font-size:1.6rem}.metrics span,small,dt{color:var(--muted)}dl{display:grid;grid-template-columns:150px 1fr;gap:9px}dd{margin:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}td form{display:flex;gap:6px;flex-wrap:wrap}td button{font-size:.78rem;padding:7px}footer{padding-top:50px;padding-bottom:25px;color:var(--muted);font-size:.82rem}.chat-shell{max-width:780px;margin:32px auto}.chat-heading p{color:var(--muted)}.messages{min-height:320px;max-height:62vh;overflow:auto;border:1px solid var(--line);background:#09182b;border-radius:12px;padding:16px}.bubble{max-width:85%;margin:10px 0;padding:11px 13px;border-radius:12px;background:var(--panel)}.bubble.user{margin-left:auto;background:#1b446d}.bubble span{font-size:.78rem;font-weight:700;color:var(--accent)}.bubble p{margin:4px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.chat-compose{margin-top:12px}.chat-compose textarea{min-height:90px}.chat-compose div{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.chat-compose small{min-height:1em}@media(max-width:700px){header{align-items:flex-start;flex-direction:column}nav{flex-wrap:wrap}table{display:block;overflow:auto}dl{grid-template-columns:1fr}.hero{padding:11vh 0}.chat-shell{margin:20px 0}.messages{max-height:55vh}.bubble{max-width:93%}}