:root{--background:#f5f7fb;--surface:#ffffff;--text:#111827;--muted:#64748b;--border:#d9e0ea;--danger:#b42318;--success:#067647;--warning:#9a6700;--payment-primary:#1f2937;--payment-secondary:#eef2ff}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--background);color:var(--text);font-family:Arial,Noto Sans Thai,Noto Sans TC,Microsoft JhengHei,sans-serif}button,input,select{font:inherit}.homePage,.paymentPage{min-height:100vh}.homePage,.loadingShell,.statusShell{align-items:center;display:grid;justify-items:center;padding:24px}.homePanel,.messagePanel{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 24px 70px rgba(15,23,42,.08);max-width:460px;padding:32px;text-align:center}.eyebrow{color:var(--payment-primary);font-size:13px;font-weight:700;letter-spacing:0;margin:0 0 10px;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.15;margin-bottom:12px}h2{font-size:18px;margin-bottom:18px}p{color:var(--muted);line-height:1.6}.checkoutShell{align-items:center;display:grid;padding:32px}.checkoutFrame{display:grid;grid-gap:18px;gap:18px;margin:0 auto;max-width:1040px;width:100%}.cardPanel,.checkoutHeader,.summaryPanel{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 22px 60px rgba(15,23,42,.08)}.checkoutHeader{align-items:flex-start;display:flex;gap:18px;justify-content:space-between;padding:28px}.checkoutHeader h1{color:var(--payment-primary)}.localeControl{display:grid;grid-gap:8px;gap:8px;min-width:140px}.formField span,.localeControl span{color:var(--muted);font-size:13px;font-weight:700}.formField input,.localeControl select{background:#ffffff;border:1px solid var(--border);border-radius:10px;color:var(--text);height:46px;outline:none;padding:0 14px;width:100%}.formField input:focus,.localeControl select:focus{border-color:var(--payment-primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--payment-primary) 14%,transparent)}.cardPanel,.summaryPanel{padding:28px}.summaryPanel dl{display:grid;grid-gap:12px;gap:12px;margin:0}.infoRow{align-items:center;border-bottom:1px solid var(--border);display:flex;gap:16px;justify-content:space-between;padding-bottom:12px}.infoRow:last-child{border-bottom:0;padding-bottom:0}.infoRow dt{color:var(--muted);font-size:14px}.infoRow dd{font-weight:700;margin:0;overflow-wrap:anywhere;text-align:right}.cardForm{display:grid;grid-gap:16px;gap:16px}.formGrid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:1fr 1fr}.formField{display:grid;grid-gap:8px;gap:8px}.formField small,.inlineError{color:var(--danger);font-size:13px;line-height:1.5;margin:0}.primaryButton{align-items:center;background:var(--payment-primary);border:1px solid var(--payment-primary);border-radius:12px;color:#ffffff;cursor:pointer;display:inline-flex;font-weight:700;height:48px;justify-content:center;padding:0 20px;text-decoration:none;width:100%}.primaryButton:disabled{cursor:not-allowed;opacity:.72}.safetyNote{background:var(--payment-secondary);border-radius:12px;color:#334155;font-size:13px;margin:18px 0 0;padding:12px}.resultPanel{border-radius:14px;margin-bottom:16px;padding:16px}.resultPanel h3{font-size:18px;margin-bottom:6px}.resultPanel p{margin-bottom:0}.result-paid{background:#ecfdf3;color:var(--success)}.result-pending-payment,.result-redirecting{background:#fffaeb;color:var(--warning)}.result-error,.result-payment-failed{background:#fef3f2;color:var(--danger)}.spinner{animation:spin .9s linear infinite;border:3px solid var(--border);border-top-color:var(--payment-primary);border-radius:999px;height:34px;margin:0 auto 16px;width:34px}@keyframes spin{to{transform:rotate(1turn)}}.card-template-1 .checkoutFrame{max-width:560px}.card-template-2 .checkoutFrame,.card-template-5 .checkoutFrame{grid-template-columns:minmax(280px,.9fr) minmax(360px,1.1fr)}.card-template-2 .checkoutHeader,.card-template-5 .checkoutHeader{grid-column:1/-1}.card-template-3 .checkoutFrame{max-width:720px}.card-template-3 .cardPanel,.card-template-3 .checkoutHeader,.card-template-3 .summaryPanel{padding:22px}.card-template-4 .summaryPanel{border-color:color-mix(in srgb,var(--payment-primary) 26%,var(--border));order:-1}.card-template-4 .infoRow:last-child dd{color:var(--payment-primary);font-size:24px}.card-template-5 .cardPanel,.card-template-5 .checkoutHeader,.card-template-5 .summaryPanel{border-radius:8px}.card-template-5 .safetyNote{border-left:4px solid var(--payment-primary);border-radius:8px}@media (max-width:760px){.checkoutShell{align-items:flex-start;padding:14px}.card-template-2 .checkoutFrame,.card-template-5 .checkoutFrame,.checkoutFrame{grid-template-columns:1fr}.checkoutHeader{align-items:flex-start;flex-direction:column;padding:20px}.localeControl{width:100%}h1{font-size:26px}.cardPanel,.homePanel,.messagePanel,.summaryPanel{padding:20px}.formGrid{grid-template-columns:1fr}.infoRow{align-items:flex-start;display:grid;grid-gap:4px;gap:4px}.infoRow dd{text-align:left}}