:root{ --bg:#0b1020; --card:#121a33; --ink:#e7ecff; --muted:#9aa6d1; --ok:#3ddc97; --bad:#ff6464; }
*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
body{margin:0;background:var(--bg);color:var(--ink)}
header{padding:18px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;gap:12px;align-items:center;justify-content:space-between}
h1{margin:0;font-size:18px;font-weight:700}
main{padding:18px;max-width:1100px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px}
.card h2{margin:0 0 10px;font-size:14px;color:var(--muted);font-weight:700}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
input,button{border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#0f1730;color:var(--ink);padding:10px 12px;outline:none}
input::placeholder{color:rgba(231,236,255,.45)}
button{cursor:pointer;background:linear-gradient(180deg,#2a6bff,#1b4fd6);border:none;font-weight:700}
button.secondary{background:#0f1730;border:1px solid rgba(255,255,255,.12)}
small{color:var(--muted)}
pre{white-space:pre-wrap;background:#0a1126;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px;max-height:240px;overflow:auto}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#0f1730;border:1px solid rgba(255,255,255,.12);color:var(--muted)}
.badge.ok{color:var(--ok);border-color:rgba(61,220,151,.25)}
.badge.bad{color:var(--bad);border-color:rgba(255,100,100,.25)}
hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:12px 0}
.col-6{grid-column:span 6}
.col-12{grid-column:span 12}
@media (max-width: 900px){ .col-6{grid-column:span 12} }