:root{color-scheme:light;--page-bg: #f4f7fb;--surface: #ffffff;--surface-muted: #f8fafc;--text: #111827;--text-muted: #64748b;--border: #dbe3ef;--border-strong: #cbd5e1;--primary: #2563eb;--primary-dark: #1d4ed8;--primary-soft: #eff6ff;--success: #16a34a;--warning: #f97316;--danger: #dc2626;--shadow-sm: 0 10px 30px rgba(15, 23, 42, .08);--shadow-md: 0 24px 70px rgba(15, 23, 42, .14);--radius-lg: 28px;--radius-md: 18px;--radius-sm: 12px}*{box-sizing:border-box}html{min-height:100%;background:radial-gradient(circle at top left,rgba(37,99,235,.14),transparent 34rem),radial-gradient(circle at top right,rgba(14,165,233,.13),transparent 32rem),var(--page-bg)}body{min-height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:transparent}button{font:inherit}.checkout-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:48px 0 72px}.checkout-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:28px}.eyebrow,.section-kicker{margin:0 0 8px;color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{max-width:680px;margin-bottom:12px;font-size:clamp(2.25rem,5vw,4.75rem);line-height:.95;letter-spacing:-.06em}h2{margin-bottom:0;font-size:1.35rem;letter-spacing:-.03em}.hero-copy{max-width:660px;margin-bottom:0;color:var(--text-muted);font-size:1.05rem;line-height:1.7}.trust-strip{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.trust-strip span,.secure-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(37,99,235,.16);border-radius:999px;background:#ffffffc7;color:#1e3a8a;font-size:.82rem;font-weight:750;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.trust-strip span{padding:9px 12px}.material-symbols-rounded{font-size:1.2em;line-height:1;vertical-align:middle}.checkout-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}.checkout-card,.summary-card{border:1px solid rgba(203,213,225,.78);border-radius:var(--radius-lg);background:#ffffffe6;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.checkout-card{padding:clamp(20px,4vw,34px)}.section-header{display:flex;justify-content:space-between;gap:20px;margin-bottom:26px}.secure-badge{align-self:flex-start;padding:10px 13px;white-space:nowrap}.checkout-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field-card{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-md);background:linear-gradient(180deg,#f8fafce0,#fffffff5),var(--surface);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.field-card:hover{border-color:var(--border-strong);box-shadow:0 14px 28px #0f172a12;transform:translateY(-1px)}.field-card--full{grid-column:1 / -1}.field-label{display:flex;align-items:center;gap:8px;min-height:42px;padding:14px 16px 0;color:#475569;font-size:.84rem;font-weight:800;letter-spacing:.01em}.fragment-cell{min-height:86px;padding:10px 16px 16px}.fragment-cell--address{min-height:150px}.fragment-cell--credit-card-checkout{min-height:220px}.fragment-cell--compact{min-height:86px}.address-fields--individual{grid-column:1 / -1;padding:18px;border:1px dashed rgba(37,99,235,.35);border-radius:var(--radius-md);background:#eff6ff8c}.address-fields__header{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.address-fields__header h3{margin:0;font-size:1.05rem;letter-spacing:-.02em}.address-fields__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.scenario-picker__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.scenario-card{display:flex;flex-direction:column;gap:12px;padding:28px;border:1px solid rgba(203,213,225,.78);border-radius:var(--radius-lg);background:#ffffffe6;box-shadow:var(--shadow-sm);color:inherit;text-decoration:none;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.scenario-card:hover{border-color:#2563eb59;box-shadow:var(--shadow-md);transform:translateY(-2px)}.scenario-card__icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:var(--primary-soft);color:var(--primary)}.scenario-card p{margin:0;color:var(--text-muted);line-height:1.6}.scenario-card code{font-size:.85em}.scenario-card__cta{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;color:var(--primary);font-weight:700}.fragment-cell iframe,.submit-row iframe,#button-fragment iframe{display:block;width:100%;border:0}.submit-row{padding-top:4px}.checkout-shell--modular .submit-row--modular{padding-top:8px}.checkout-shell--modular .checkout-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;margin-top:6px}.checkout-shell--modular .checkout-action{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:58px;padding:0 28px;overflow:hidden;border:0;border-radius:18px;font-size:.96rem;font-weight:800;letter-spacing:.01em;cursor:pointer;transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s cubic-bezier(.22,1,.36,1),border-color .22s ease,background .22s ease,color .22s ease}.checkout-shell--modular .checkout-action .material-symbols-rounded{font-size:1.15rem}.checkout-shell--modular .checkout-action--submit{color:#fff;background:linear-gradient(135deg,rgba(255,255,255,.22),transparent 42%),linear-gradient(120deg,#2563eb,#4f46e5 48%,#7c3aed);box-shadow:0 18px 40px #2563eb47,0 0 0 1px #ffffff24 inset}.checkout-shell--modular .checkout-action--submit:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.22) 50%,transparent 70%);transform:translate(-120%);transition:transform .7s ease;pointer-events:none}.checkout-shell--modular .checkout-action--submit:hover{transform:translateY(-2px);box-shadow:0 24px 48px #4f46e557,0 0 0 1px #ffffff2e inset}.checkout-shell--modular .checkout-action--submit:hover:before{transform:translate(120%)}.checkout-shell--modular .checkout-action--submit:active{transform:translateY(0)}.checkout-shell--modular .checkout-action--reset{color:#334155;background:#ffffffd1;border:1px solid rgba(148,163,184,.38);box-shadow:0 10px 24px #0f172a0f,0 0 0 1px #ffffffa6 inset;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.checkout-shell--modular .checkout-action--reset:hover{color:#1d4ed8;border-color:#2563eb57;background:#fffffff5;transform:translateY(-2px);box-shadow:0 16px 32px #0f172a14,0 0 0 1px #fffc inset}.checkout-shell--modular .checkout-action--reset:active{transform:translateY(0)}.checkout-shell--modular .checkout-action:focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}#button-fragment{width:100%}.order-summary{position:sticky;top:24px}.summary-card{padding:26px}.summary-item{display:flex;justify-content:space-between;gap:20px;margin:24px 0;padding:18px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-muted)}.summary-item span{display:block;margin-top:4px;color:var(--text-muted);font-size:.9rem}.summary-line,.summary-total{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--border)}.summary-line{color:var(--text-muted)}.summary-total{align-items:baseline;color:var(--text);font-size:1.18rem}.summary-total strong{font-size:1.55rem;letter-spacing:-.04em}.summary-note{display:flex;gap:10px;margin-top:18px;padding:14px;border-radius:var(--radius-sm);background:var(--primary-soft);color:#1e40af;font-size:.88rem;line-height:1.45}.floating-actions{position:fixed;z-index:60;right:20px;bottom:20px;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.floating-action{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 16px;border:0;border-radius:999px;background:#111827;color:#fff;box-shadow:var(--shadow-md);cursor:pointer;text-decoration:none;font:inherit;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease}.floating-action:hover{background:#020617;transform:translateY(-2px)}.floating-action:active{transform:translateY(0)}.floating-action__label,.dev-toggle__label{font-size:.9rem;font-weight:800}.dev-reporting{position:fixed;z-index:80;inset:0 auto 0 0;width:min(480px,calc(100vw - 28px));padding:22px;border-right:1px solid rgba(148,163,184,.32);background:#0f172af5;color:#e5e7eb;box-shadow:var(--shadow-md);transform:translate(-104%);transition:transform .22s ease}.dev-reporting.is-open{transform:translate(0)}.dev-reporting__header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.dev-reporting h2{color:#fff}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid rgba(226,232,240,.14);border-radius:999px;background:#ffffff14;color:#fff;cursor:pointer}.icon-button:hover{background:#ffffff24}.controls{display:grid;gap:10px;margin-bottom:18px;padding:14px;border:1px solid rgba(226,232,240,.12);border-radius:var(--radius-md);background:#ffffff0f}.controls button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-weight:800;cursor:pointer;transition:transform .16s ease,background-color .16s ease}.controls button:hover{background:var(--primary-dark)}.controls button:active{transform:translateY(1px)}.controls .button-secondary{background:#ffffff1f}.controls .button-secondary:hover{background:#ffffff2e}.dev-log-header{display:flex;justify-content:space-between;margin-bottom:10px;color:#cbd5e1;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.log{height:calc(100vh - 446px);min-height:280px;padding:14px;overflow-y:auto;border:1px solid rgba(226,232,240,.12);border-radius:var(--radius-md);background:#020617;color:#22c55e;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px;line-height:1.55}.log:empty:before{content:"No events received yet.";color:#64748b}.log-entry{margin:0 0 8px;padding:8px 8px 8px 10px;border-left:3px solid #22c55e;border-radius:8px;background:#22c55e14}.log-entry.received{border-left-color:#f59e0b;color:#fbbf24;background:#f59e0b14}.log-entry.sent{border-left-color:#38bdf8;color:#7dd3fc;background:#38bdf814}.log-entry.action{border-left-color:#22c55e;color:#86efac}.status{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:800}.status.ready{background:#22c55e24;color:#86efac}.status.waiting{background:#f59e0b24;color:#fbbf24}.dev-backdrop{position:fixed;z-index:70;top:0;right:0;bottom:0;left:0;background:#0f172a5c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.confirmation-shell{width:min(860px,calc(100% - 32px));min-height:100vh;margin:0 auto;padding:64px 0;display:grid;place-items:center}.confirmation-shell[hidden]{display:none}.confirmation-card{width:100%;padding:clamp(28px,6vw,56px);border:1px solid rgba(203,213,225,.78);border-radius:var(--radius-lg);background:#fffffff0;box-shadow:var(--shadow-md);text-align:center;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.confirmation-icon{display:inline-grid;place-items:center;width:86px;height:86px;margin-bottom:22px;border-radius:999px;background:#16a34a1f;color:var(--success)}.confirmation-icon .material-symbols-rounded{font-size:52px}.confirmation-card h1{max-width:none;margin-bottom:16px;font-size:clamp(2.25rem,5vw,4.5rem)}.confirmation-copy{max-width:620px;margin:0 auto 30px;color:var(--text-muted);font-size:1.05rem;line-height:1.7}.confirmation-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:30px 0;text-align:left}.confirmation-summary div{padding:18px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-muted)}.confirmation-summary span{display:block;margin-bottom:6px;color:var(--text-muted);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.confirmation-summary strong{font-size:1.05rem}.confirmation-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border:0;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;cursor:pointer;transition:transform .16s ease,background-color .16s ease}.confirmation-button:hover{background:var(--primary-dark);transform:translateY(-1px)}.confirmation-button:active{transform:translateY(0)}.checkout-validation-error{display:flex;align-items:flex-start;gap:.625rem;width:100%;padding:.875rem 1rem;margin-bottom:.875rem;border:1px solid rgba(185,28,28,.28);border-radius:.875rem;background:#fef2f2f0;color:#991b1b;font-size:.925rem;font-weight:600;line-height:1.4}.checkout-validation-error[hidden]{display:none}.checkout-validation-error .material-symbols-rounded{flex:0 0 auto;font-size:1.25rem;line-height:1.25rem}@media (max-width: 680px){.confirmation-summary{grid-template-columns:1fr}}@media (max-width: 980px){.checkout-hero{align-items:flex-start;flex-direction:column}.trust-strip{justify-content:flex-start}.checkout-layout{grid-template-columns:1fr}.order-summary{position:static}}@media (max-width: 680px){.checkout-shell{width:min(100% - 24px,1180px);padding-top:28px}.checkout-grid,.address-fields__grid,.scenario-picker__grid,.checkout-shell--modular .checkout-actions{grid-template-columns:1fr}.section-header{flex-direction:column}.secure-badge{align-self:flex-start}.fragment-cell{min-height:82px}.floating-actions{left:14px;right:auto;bottom:14px;align-items:flex-start}}