:root{
  --bg:#071225;
  --panel:#0d1b35;
  --panel2:#112345;
  --text:#eef4ff;
  --muted:#9bb0d3;
  --line:rgba(255,255,255,.08);
  --primary:#3b82f6;
  --danger:#b83636;
  --success:#0e8a52;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#071225,#09162c);color:var(--text)}
.wrap{max-width:980px;margin:0 auto;padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
.brand{font-size:20px;font-weight:700}
.langs{display:flex;gap:8px}
.btn,.btn2,.btn-danger,.btn-success{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 16px;border-radius:10px;border:1px solid transparent;color:#fff;text-decoration:none;cursor:pointer}
.btn{background:var(--primary)}
.btn2{background:transparent;border-color:#33507f}
.btn-danger{background:#a62a2a}
.btn-success{background:var(--success)}
.btn[disabled], .btn2[disabled], .btn-danger[disabled], .btn-success[disabled]{opacity:.55;cursor:not-allowed}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{background:rgba(13,27,53,.96);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.card h1,.card h2,.card h3{margin:0 0 12px}
.card p{margin:0 0 12px;color:var(--muted)}
label{display:block;margin:12px 0 6px}
input,select,textarea{width:100%;height:46px;background:#081428;border:1px solid #27436f;color:#fff;border-radius:10px;padding:0 14px}
textarea{height:120px;padding:12px 14px;resize:vertical}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.meta{font-size:14px;color:var(--muted)}
.kv{display:grid;grid-template-columns:180px 1fr;gap:10px;align-items:center}
.kv div{padding:4px 0}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#10284d;border:1px solid #284a79;color:#bfd4ff;font-size:12px}
.msg{margin-top:12px;padding:14px 16px;border-radius:12px;border:1px solid transparent;white-space:pre-wrap}
.msg.error{background:rgba(184,54,54,.18);border-color:rgba(184,54,54,.5)}
.msg.success{background:rgba(14,138,82,.18);border-color:rgba(14,138,82,.5)}
.msg.info{background:rgba(59,130,246,.12);border-color:rgba(59,130,246,.35)}
.hidden{display:none!important}
hr{border:none;border-top:1px solid var(--line);margin:18px 0}
pre{background:#071225;border:1px solid #17325a;border-radius:12px;padding:14px;color:#cfe1ff;overflow:auto}
.small{font-size:13px;color:var(--muted)}
@media (max-width: 900px){.grid{grid-template-columns:1fr}.kv{grid-template-columns:1fr}}