:root{color-scheme:dark light}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:#0b0f1a;color:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
header{padding:16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.08)}
main{max-width:980px;margin:0 auto;padding:24px}
.card{background:#11182a;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.row{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}
.btn{display:inline-block;padding:12px 16px;border-radius:10px;text-decoration:none;background:#15a1fe;color:#fff;font-weight:700}
.btn.secondary{background:#1f2b44}
img.banner{max-width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.12)}
.muted{opacity:.85;font-size:14px}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;border:1px solid rgba(255,255,255,.2);font-size:12px;opacity:.9}