:root{
  --bg:#0f1220; --card:#161a2e; --text:#eef1ff; --muted:#98a2b3; --accent:#6ee7ff;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --link:#93c5fd;
  --radius:14px; --max:960px; --shadow: 0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.45 system-ui,Segoe UI,Roboto,Inter,Arial}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
header,footer{max-width:var(--max);margin:0 auto;padding:18px 16px}
header{display:flex;gap:12px;align-items:center;justify-content:space-between}
.brand{display:flex;gap:10px;align-items:center}
.brand .logo{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,#3b82f6,#06b6d4);box-shadow:var(--shadow)}
.brand .title{font-weight:700;letter-spacing:.3px}
nav{display:flex;gap:10px;flex-wrap:wrap}
nav a{padding:8px 12px;border-radius:10px;background:#10152a;border:1px solid #2a3155}
nav a:hover{background:#0d1326}
.hero{max-width:var(--max);margin:8px auto 16px;padding:0 16px}
.hero h1{font-size:24px;margin:0 0 10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;max-width:var(--max);margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid #262e57;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card h2{margin:0 0 8px;font-size:18px}
.card p{margin:0 0 12px;color:var(--muted)}
.controls{display:grid;gap:8px}
.controls label{font-size:12px;color:var(--muted)}
.controls input,.controls select,.controls button, .controls textarea{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid #31406b;background:#0e1430;color:var(--text);
}
.controls button{cursor:pointer}
.small{font-size:12px;color:var(--muted)}
.ad-slot{background:#0b1024;border:1px dashed #334; color:#8aa; display:grid; place-items:center; border-radius:12px;padding:18px;min-height:64px}
footer{color:var(--muted);font-size:13px}
.kicker{font-size:12px;color:var(--muted);margin-bottom:8px}
.badge{display:inline-block;border:1px solid #2b335f;background:#0e1330;padding:4px 8px;border-radius:999px;font-size:11px;color:#9db2ff}
.notice{padding:10px 12px;border-radius:10px;background:#0b142a;border:1px solid #2b335f;color:#c7d2fe;font-size:13px}
.list{display:flex;gap:8px;flex-wrap:wrap}
hr.sep{border:0;border-top:1px solid #27305e;margin:12px 0}
.copybtn{margin-top:6px;font-size:12px}
pre{white-space:pre-wrap;word-wrap:break-word;background:#0b1024;padding:12px;border:1px solid #223; border-radius:10px}
.timer{display:flex;gap:10px;align-items:center}
.laps{max-height:160px;overflow:auto;border:1px solid #27305e;border-radius:10px;padding:8px}
.success{color:var(--ok)} .warn{color:var(--warn)} .error{color:var(--bad)}
@media (max-width:560px){
  .hero h1{font-size:20px}
}