:root { --bg:#0b0b0c; --fg:#f3f4f6; --muted:#9ca3af; --accent:#22c55e; }
* { box-sizing:border-box; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
body { margin:0; background:var(--bg); color:var(--fg); }
.container { max-width:700px; margin:0 auto; padding:24px; }
h1 { font-size:28px; margin:0 0 16px; }
button { font-size:18px; padding:14px 18px; border-radius:12px; border:none; background:var(--accent); color:#04120a; cursor:pointer; }
input { width:100%; padding:14px; font-size:18px; border-radius:12px; border:1px solid #333; background:#111; color:var(--fg); }
.card { background:#111; border:1px solid #222; border-radius:16px; padding:16px; margin:12px 0; }
.list { display:flex; flex-direction:column; gap:8px; }
.name { padding:10px 12px; background:#0f172a; border-radius:10px; }
.qr { display:flex; justify-content:center; align-items:center; padding:16px; background:#111; border:1px dashed #333; border-radius:16px; }
.big { font-size:42px; text-align:center; margin:24px 0; }
.hidden-card { display:flex; align-items:center; justify-content:center; height:60vh; background:#000; border-radius:24px; font-size:32px; }
.muted { color:var(--muted); font-size:14px; }
a.card { color:inherit; }