:root{--bg:#0b0f19;--fg:#f4f6fb;--muted:#a2a8bd;--card:#12182a;--accent:#6ea8fe}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}a{color:var(--accent);text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid #1f2740;border-radius:12px;padding:16px}.input,textarea,select{width:100%;color:var(--fg);background:#0f1424;border:1px solid #263058;border-radius:10px;padding:10px 12px}.button{background:var(--accent);color:#0b0f19;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;padding:10px 14px;font-weight:700;display:inline-flex}.row{grid-template-columns:1fr 1fr;gap:16px;display:grid}h1,h2,h3{margin:0 0 12px}.small{color:var(--muted);font-size:12px}.mt{margin-top:16px}