:root{--bg:#0b1b2b;--card:#12304a;--ac:#4fc3f7;--tx:#e8f3fb;--mu:#8fb0c7}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,sans-serif;background:var(--bg);color:var(--tx)}
nav{display:flex;gap:18px;align-items:center;padding:14px 24px;background:#081420;border-bottom:2px solid var(--ac)}
nav b{color:var(--ac);margin-right:auto;letter-spacing:.5px}a{color:var(--ac);text-decoration:none}
main{max-width:1000px;margin:24px auto;padding:0 16px}.card{background:var(--card);border-radius:12px;padding:18px;margin-bottom:20px}
table{width:100%;border-collapse:collapse}th,td{padding:8px;text-align:left;border-bottom:1px solid #1d4468}th{color:var(--mu);font-weight:600}
input,select,button{padding:9px 11px;border-radius:8px;border:1px solid #2a5a82;background:#0b2238;color:var(--tx);margin:3px 0}
button{background:var(--ac);color:#06202f;font-weight:700;border:0;cursor:pointer}.err{color:#ff8a80}.ok{color:#9be37f}
form.row{display:flex;flex-wrap:wrap;gap:8px;align-items:end}h1,h2{margin:.2em 0 .6em}.mu{color:var(--mu)}