:root{--bg:#0b0f19;--panel:#121826;--text:#eef2ff;--muted:#9ca3af;--accent:#38bdf8;--border:#263244}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(circle at 0 0,#1f2a44 0,#0b0f19 40%,#070a11 100%);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.container{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0}.header{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.brand{letter-spacing:-.04em;font-size:28px;font-weight:800}.badge{border:1px solid var(--border);color:var(--muted);background:#ffffff08;border-radius:999px;padding:8px 12px}.hero,.card,.chat,.sidebar{border:1px solid var(--border);background:#121826e0;border-radius:24px;padding:24px;box-shadow:0 20px 80px #0003}.hero{margin-bottom:24px;padding:32px}.hero h1{letter-spacing:-.07em;margin:0 0 8px;font-size:clamp(32px,6vw,64px)}.hero p,.card p,.sidebar p{color:var(--muted);margin:0;line-height:1.5}.grid{grid-template-columns:repeat(12,1fr);gap:16px;display:grid}.card{grid-column:span 4;min-height:150px}.chat{grid-column:span 8}.sidebar{grid-column:span 4}textarea,select,input{width:100%;color:var(--text);border:1px solid var(--border);font:inherit;background:#0b1220;border-radius:12px;padding:12px}button{background:var(--accent);color:#00111d;cursor:pointer;border:0;border-radius:12px;padding:12px 16px;font-weight:700}button:disabled{opacity:.5;cursor:not-allowed}pre{white-space:pre-wrap;border:1px solid var(--border);color:#dbeafe;background:#090d15;border-radius:12px;padding:16px}@media (max-width:800px){.card,.chat,.sidebar{grid-column:span 12}}