:root{--bg:#ffffff;--fg:#16181d;--muted:#6b7280;--line:#e5e7eb;--card:#fafafa;--accent:#16181d;--accent-fg:#ffffff;--danger:#b42318}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--fg:#e8eaed;--muted:#9aa1ab;--line:#262a31;--card:#171a20;--accent:#e8eaed;--accent-fg:#0f1115;--danger:#f97066}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font:15px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,Apple SD Gothic Neo,sans-serif;-webkit-font-smoothing:antialiased}.wrap{max-width:460px;margin:0 auto;padding:48px 20px 64px}.brand{font-size:13px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}h1{font-size:22px;margin:10px 0 4px;font-weight:650}.sub{color:var(--muted);margin:0 0 28px}.card{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:18px 20px}.row{display:flex;justify-content:space-between;align-items:baseline;padding:7px 0}.row+.row{border-top:1px dashed var(--line)}.row .k{color:var(--muted)}.row .v{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.row.total .k,.row.total .v{font-weight:650;font-size:17px}button.primary{width:100%;margin-top:22px;padding:13px 16px;background:var(--accent);color:var(--accent-fg);border:0;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.5;cursor:default}.note{color:var(--muted);font-size:13px}.err,.note{margin-top:14px}.err{color:var(--danger);font-size:14px;white-space:pre-wrap}.ok{font-size:15px;margin-top:20px}a{color:inherit}