:root{--bg:#0b1020;--panel:#141a2e;--text:#eef2ff;--muted:#9aa6c4;--accent:#4f7cff;--accent-2:#36d399;--border:#243049}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.container{max-width:480px;margin:0 auto;padding:32px 20px 64px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;margin-bottom:24px}.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--accent-2)}h1{font-size:28px;margin:0 0 8px}p.lead{color:var(--muted);margin-top:0;line-height:1.5}.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px;margin-top:20px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input[type=email]{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:#0e1426;color:var(--text);font-size:16px}.tariffs{display:grid;grid-gap:10px;gap:10px;margin:16px 0}.tariff{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:12px;border:1px solid var(--border);background:#0e1426;cursor:pointer}.tariff.selected{border-color:var(--accent);box-shadow:0 0 0 2px rgba(79,124,255,.25)}.tariff .price{font-weight:700}a.primary,button.primary{display:block;width:100%;text-align:center;text-decoration:none;padding:14px 16px;border:none;border-radius:12px;background:var(--accent);color:#fff;font-size:16px;font-weight:600;cursor:pointer;margin-top:8px}button.primary:disabled{opacity:.5;cursor:not-allowed}a.ghost{display:inline-block;color:var(--muted);text-decoration:none;margin-top:16px;font-size:14px}.success-icon{width:64px;height:64px;border-radius:50%;background:rgba(54,211,153,.15);color:var(--accent-2);display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 16px}.center{text-align:center}.error{color:#ff6b6b;font-size:14px;margin-top:10px}.muted{color:var(--muted);font-size:13px}