:root{--bg:#ffffff;--fg:#1a1a2e;--muted:#6b7280;--border:#e5e7eb;--accent:#2b7cff;--accent-fg:#ffffff;--ok:#0f9d58;--warn:#b45309;--warn-bg:#fef3c7;--card:#f9fafb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);font-size:14px;line-height:1.5}.wrap{padding:16px;max-width:720px}h1{font-size:18px;margin:0 0 4px}h2{font-size:14px;margin:16px 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.card{border:1px solid var(--border);background:var(--card);border-radius:8px;padding:12px 14px;margin:8px 0}.row{display:flex;justify-content:space-between;gap:12px;padding:2px 0}.row .k{color:var(--muted);white-space:nowrap}.row .v{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere;min-width:0}button{font:inherit;border:none;border-radius:6px;padding:8px 14px;cursor:pointer;background:var(--accent);color:var(--accent-fg)}button.secondary{background:#eef2ff;color:var(--accent)}button:disabled{opacity:.5;cursor:default}input{font:inherit;border:1px solid #767f8e;border-radius:6px;padding:4px 8px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:6px 8px;border-bottom:1px solid var(--border)}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.rateCard{border:1px solid var(--border);background:var(--card);border-radius:6px;padding:6px 10px;margin:4px 0;cursor:pointer;transition:border-color .12s ease,background-color .12s ease,box-shadow .12s ease}.rateCard:hover{border-color:var(--accent);box-shadow:0 1px 6px rgba(43,124,255,.25)}.rateCard:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.rateCard.selected{background:#e8f1ff;border-color:var(--accent)}.rateHead{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.rateName{font-weight:600}.ratePrice{font-weight:700;color:var(--accent);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.rateSub{font-size:12px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin-top:1px}.actionBar{position:-webkit-sticky;position:sticky;bottom:0;margin:12px -16px 0;background:var(--bg);border-top:1px solid var(--border);padding:10px 16px;display:flex;align-items:center;gap:10px;z-index:20}.actionBar .actionInfo{flex:1 1;min-width:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.actionBar .amountInput{width:110px;text-align:right}.warn{background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:8px 10px;margin:6px 0}.ok{color:var(--ok)}.err{color:#dc2626}.muted{color:var(--muted)}.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#eef2ff;color:var(--accent)}