:root{--bg:#f4f5f7;--surface:#fff;--text:#14171f;--muted:#5b6270;--border:#dfe2e8;--accent:#1e7a46;--btn-top:#43d47f;--btn-bottom:#23b65c;--btn-ink:#04301a;--btn-highlight:#ffffff54;--btn-shadow:0 4px 10px #1e9e5047;--error:#b42318;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--surface:#181b21;--text:#eef0f4;--muted:#a3a9b6;--border:#2b2f38;--accent:#4bd886;--btn-top:#4bd886;--btn-bottom:#26b95f;--btn-ink:#04301a;--btn-highlight:#ffffff4d;--btn-shadow:none;--error:#ff8a80;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{justify-content:center;align-items:flex-start;min-height:100vh;padding:24px 16px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:100%;max-width:480px;padding:24px 20px}.brand{color:var(--muted);align-items:center;gap:10px;margin-bottom:20px;font-weight:600;display:flex}.logo{border-radius:7px;flex:none;width:28px;height:28px;display:block}h1,h2{outline:none;margin:0 0 8px;font-size:22px;line-height:1.25}p{margin:0 0 12px}.amount{margin-bottom:4px;font-size:32px;font-weight:700}.muted{color:var(--muted)}.small{font-size:14px}.error{color:var(--error);min-height:1.5em}.error:empty{min-height:0;margin:0}.notice{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:10px 12px}#payment-element{margin:16px 0}.actions{flex-direction:column;gap:10px;margin-top:16px;display:flex}.btn{appearance:none;text-align:center;width:100%;min-height:48px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:12px;padding:12px 16px;font-weight:600;text-decoration:none;display:block}.btn.primary{background:linear-gradient(180deg, var(--btn-top) 0%, var(--btn-bottom) 100%);color:var(--btn-ink);box-shadow:inset 0 1px 0 var(--btn-highlight), var(--btn-shadow)}.btn.secondary{color:var(--text);border-color:var(--border);background:0 0}.btn:disabled{opacity:.5;filter:saturate(.35);box-shadow:none;cursor:progress}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.lines{margin:16px 0}.line{border-bottom:1px solid var(--border);justify-content:space-between;gap:12px;padding:10px 0;display:flex}.line dt,.line dd{margin:0}.line dd{font-variant-numeric:tabular-nums;white-space:nowrap}.line.total{border-bottom:0;font-size:18px;font-weight:700}