* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #000; color: #eee; font-family: system-ui, sans-serif; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; padding: 16px; }
.card { background: #1a1a1a; border-radius: 12px; overflow: hidden; cursor: pointer; }
.card img { width: 100%; display: block; }
.card .t { padding: 12px; font-size: 18px; }
button { font-size: 20px; padding: 16px 24px; border: 0; border-radius: 12px; background: #333; color: #fff; }
#player { position: fixed; inset: 0; background: #000; display: none; flex-direction: column; }
#videoHolder { flex: 1; width: 100%; }
#videoHolder iframe { width: 100%; height: 100%; border: 0; }
.bar { display: flex; gap: 12px; padding: 12px; }
.steps { max-width: 700px; margin: 40px auto; padding: 24px; font-size: 22px; line-height: 1.6; }
#qr { text-align: center; padding: 24px; }
#qr img { width: 240px; height: 240px; background: #fff; padding: 12px; border-radius: 12px; }