html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#0b0f14;color:#e7eef8}
a{color:#7dc0ff}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.card{background:#111825;border:1px solid #1e2a3d;border-radius:14px;padding:14px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.col{flex:1;min-width:280px}
h1,h2,h3{margin:0 0 10px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.btn{background:#1e88ff;border:0;color:white;padding:10px 12px;border-radius:12px;font-weight:700;cursor:pointer}
.btn.secondary{background:#2a3648}
.btn.danger{background:#ff3b3b}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,textarea{width:100%;padding:10px;border-radius:12px;border:1px solid #2a3648;background:#0e1520;color:#e7eef8}
.small{opacity:.8;font-size:12px}
.big{font-size:56px;font-weight:900;letter-spacing:-1px}
.center{display:flex;align-items:center;justify-content:center}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#182235;border:1px solid #27344b}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:800px){.grid2{grid-template-columns:1fr}.big{font-size:44px}}
video{width:100%;max-height:70vh;border-radius:18px;background:black}