:root{--bg:#0f172a;--text:#e5e7eb;--muted:#94a3b8;--accent:#22d3ee}
*{box-sizing:border-box} html,body{margin:0;padding:0;font-family:system-ui,Segoe UI,Roboto,Arial}
body{background:#0b1220;color:var(--text)}
.container{max-width:960px;margin:0 auto;padding:24px}
nav{display:flex;gap:16px;align-items:center;padding:16px;border-bottom:1px solid #1f2937;background:#0f172a;position:sticky;top:0}
nav a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px}
nav a:hover{background:#111827}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:#111827;color:var(--muted);font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;background:#ef4444}
.dot.ok{background:#22c55e}
.card{background:#0f172a;border:1px solid #1f2937;border-radius:16px;padding:16px;margin:16px 0}
h1{font-size:28px;margin:16px 0}
h2{font-size:22px;margin:12px 0}
button{background:var(--accent);color:#001014;border:0;padding:10px 14px;border-radius:12px;cursor:pointer}
input,select{background:#0b1220;border:1px solid #1f2937;color:var(--text);padding:10px;border-radius:10px;width:100%}
label{display:block;margin:8px 0 4px;color:#cbd5e1}
a.btn{background:#1d4ed8;color:#fff;padding:10px 14px;border-radius:10px;text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
pre{white-space:pre-wrap;background:#0b1220;padding:12px;border-radius:12px;border:1px solid #1f2937}
footer{color:#94a3b8;font-size:12px;margin:40px 0;text-align:center}