:root{--bg: #071022;--card: #0e1a2b;--text: #e6eef8;--muted: #9fb2c8;--accent: #7c3aed;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:linear-gradient(180deg,var(--bg),#031223);color:var(--text);padding:28px;-webkit-font-smoothing:antialiased}.app{max-width:1000px;margin:0 auto}.app-header{display:flex;flex-direction:column;gap:4px}.app-header h1{margin:0;font-size:1.6rem}.sub{color:var(--muted);margin:0;font-size:.95rem}.container{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.card{background:var(--card);padding:14px;border-radius:10px;box-shadow:0 6px 18px #0000008c}.app-footer{margin-top:18px;text-align:center;color:var(--muted);font-size:.85rem}@media (max-width:720px){.container{grid-template-columns:1fr}}