body{font-family:system-ui;background:#10141c;color:#eef2ff;margin:0}main{max-width:720px;margin:10vh auto;padding:28px}textarea{box-sizing:border-box;width:100%;height:180px;padding:14px;border-radius:12px;background:#171e2b;color:white;border:1px solid #43506a;font:inherit}button,a{display:inline-block;margin-top:14px;padding:11px 18px;border:0;border-radius:10px;background:#5b8cff;color:white;font-weight:700;text-decoration:none}video{width:100%;margin-top:25px;border-radius:12px}#s{color:#b8c2d9}