:root { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
body { margin: 0; padding: 0; background: #0b0f14; color: #e8eef6; }
.wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; box-sizing: border-box; }
.card { width: min(520px, 100%); background: #121826; border: 1px solid #243047; border-radius: 16px; padding: 18px; box-sizing: border-box; }
h1 { margin: 0 0 8px 0; font-size: 22px; }
p { margin: 0 0 14px 0; line-height: 1.4; }
.muted { color: #a8b3c7; }
.row { display: flex; gap: 10px; margin: 10px 0 6px; }
button { flex: 1; padding: 10px 12px; border-radius: 12px; border: 1px solid #2b3a55; background: #1a2334; color: #e8eef6; font-weight: 600; cursor: pointer; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.status { min-height: 20px; margin-top: 8px; }
.footer { margin-top: 14px; font-size: 12px; }