:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#edf2ff;background:#0f172a}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#0f172a,#111827 45%,#1d4ed8)}.app-shell{max-width:1100px;margin:0 auto;padding:32px 20px 60px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0 32px}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#93c5fd;margin-bottom:8px}h1{margin:0;font-size:clamp(2rem,5vw,3rem)}h2{margin:0 0 12px;font-size:1.25rem}h3{margin:0 0 8px;font-size:1rem}button{border:0;border-radius:10px;padding:12px 18px;background:#60a5fa;color:#0f172a;font-weight:700;cursor:pointer;font-size:14px}button:hover{background:#3b82f6}button:disabled{opacity:.6;cursor:not-allowed}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.card{background:#0f172ab3;border:1px solid rgba(148,163,184,.25);border-radius:16px;padding:20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.card h2{margin-top:0}pre{white-space:pre-wrap;word-break:break-word}.error{color:#fca5a5}input,select{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(148,163,184,.3);background:#0f172a;color:#edf2ff;font-size:14px}label{font-size:13px;color:#93c5fd}table{width:100%;border-collapse:collapse;margin-top:12px}th,td{text-align:left;padding:8px;font-size:13px}th{color:#93c5fd;border-bottom:1px solid rgba(148,163,184,.3)}td{border-bottom:1px solid rgba(148,163,184,.15)}tr:hover td{background:#60a5fa1a}