html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:#0b0f14;color:#e6edf3}a{color:inherit}button,input,textarea,select{font:inherit}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:#111826;border:1px solid #243044;border-radius:12px;padding:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.nav{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}.nav a{text-decoration:none;padding:6px 10px;border-radius:8px;border:1px solid transparent}.nav a.active{border-color:#2b3b55;background:#0f1623}.input,.textarea,.select{width:100%;box-sizing:border-box;padding:10px 12px;border-radius:10px;border:1px solid #2b3b55;background:#0b1220;color:#e6edf3}.textarea{min-height:220px;resize:vertical}.btn{padding:10px 12px;border-radius:10px;border:1px solid #2b3b55;background:#1c2a44;color:#e6edf3;cursor:pointer}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.secondary{background:#0f1623}.muted{color:#9fb0c0;font-size:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 900px){.split{grid-template-columns:1fr}}