:root { color-scheme: dark; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px; box-sizing: border-box;
  background: radial-gradient(900px 500px at 50% 0%, #3a1f6e, #140b24 60%, #0a0614); color: #fbf3e4;
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
.card { max-width: 520px; padding: 28px; border-radius: 12px; background: rgba(20, 11, 36, 0.9); border: 1px solid #d4a84b; }
h1 { margin: 0 0 12px; font-size: 24px; color: #f5c451; }
a { color: #f1d27a; }
button { font: inherit; font-weight: 700; color: #2a1c04; background: linear-gradient(180deg, #fff1c9, #f5c451 60%, #d4a84b);
  border: 1px solid #f1d27a; border-radius: 7px; padding: 8px 16px; cursor: pointer; }
.en { color: #a39cb5; font-size: 14px; margin-top: 18px; }