body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:24px;background:#0b0f19;color:#e6e6e6}
a{color:#77c0ff;text-decoration:none}
.container{max-width:860px;margin:0 auto}
.card{background:#111827;border:1px solid #1f2937;border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:0 10px 20px rgba(0,0,0,.2)}
h1,h2,h3{color:#fff;margin:0 0 12px}
input,button,select{background:#0f172a;color:#e6e6e6;border:1px solid #334155;border-radius:10px;padding:10px}
button{cursor:pointer}
.row{display:flex;gap:12px;flex-wrap:wrap}
.video{max-width:100%;border-radius:12px;border:1px solid #334155}
.badge{display:inline-block;background:#1f2937;padding:6px 10px;border-radius:999px;font-size:12px;margin-left:6px}
.alert{padding:12px;border-radius:12px;margin-bottom:12px}
.alert-ok{background:#062e12;border:1px solid #0a5c22}
.alert-err{background:#3b0d0d;border:1px solid #7f1d1d}
nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
nav .right a{margin-left:10px}
label{display:block;margin-bottom:6px;font-size:14px;color:#cbd5e1}