:root { --bg:#000; --fg:#fff; --accent:#1f1f1f; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.app{display:flex;flex-direction:column;height:100vh;width:100vw}
.main{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center}
h1{font-size:22px;margin:0 0 8px 0}
p{opacity:.9}
.actions{display:grid;gap:12px;margin-top:16px}
button, .btn{display:block;width:100%;padding:16px 18px;font-size:18px;border:0;border-radius:10px;text-decoration:none;text-align:center}
.open{background:#2e7d32;color:#fff}
.install{background:#1976d2;color:#fff}
.icon{width:88px;height:88px;margin:0 auto 16px auto;border-radius:18px;overflow:hidden;display:block;background:#111}
.icon img{width:100%;height:100%;object-fit:cover}
.small{font-size:12px;opacity:.75;margin-top:8px}
.hidden{display:none!important}