:root{--bg: #f4f5f7;--card: #ffffff;--text: #14171c;--muted: #667085;--border: #e2e5ea;--accent: #1652f0;--accent-text: #ffffff;--success: #0a7d4b;--notice-bg: #fff4e5;--notice-text: #8a4b00;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0e1116;--card: #171b22;--text: #f1f3f6;--muted: #98a2b3;--border: #2a303a;--accent: #4c7dff;--success: #3ecf8e;--notice-bg: #33260f;--notice-text: #ffcf8a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}main{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px}p{margin:0}.muted{color:var(--muted)}.small{font-size:.85rem}.amount{font-size:2.5rem;font-weight:700;margin:8px 0 4px;font-variant-numeric:tabular-nums}.amount span{font-size:1.1rem;font-weight:500;color:var(--muted)}.stack{display:flex;flex-direction:column;gap:10px;margin-top:24px}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.65}button.primary,button.secondary{width:100%;min-height:48px;border-radius:12px;font-weight:600}button.primary{background:var(--accent);color:var(--accent-text);border:none}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button.link{background:none;border:none;padding:0;color:var(--accent);text-decoration:underline}.notice{margin-top:16px;padding:12px;border-radius:10px;background:var(--notice-bg);color:var(--notice-text);font-size:.9rem}.success{margin-top:24px;color:var(--success);font-weight:600;display:flex;flex-direction:column;gap:6px}.success a{color:var(--accent);font-weight:400;font-size:.9rem}.footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--border)}