:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #667085;
  --border: #d8dee8;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --warning-bg: #fff7d6;
  --warning-text: #7a4d00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
}

.page-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.product-hero,
.product-section,
.checkout-section,
.system-page {
  margin-bottom: 28px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.product-hero h1,
.system-page h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.08;
}

.product-section h2,
.checkout-section h2 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.15rem;
}

.muted {
  color: var(--muted);
}

.primary-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.primary-cta:hover {
  background: var(--accent-dark);
}

.status-notice,
.checkout-message {
  margin-bottom: 20px;
  padding: 12px 14px;
  border: 1px solid #f6d365;
  border-radius: 8px;
  background: var(--warning-bg);
  color: var(--warning-text);
}

.price {
  font-size: 1.3rem;
  font-weight: 800;
}

#checkout-container {
  display: block !important;
  align-items: stretch !important;
  justify-content: flex-start !important;
  width: 100%;
  border-color: #d8dee8 !important;
  background: #f8fafc !important;
  color: #1f2933 !important;
  color-scheme: light;
}

#checkout-container * {
  color-scheme: light;
}

.checkout-options {
  margin: 0 0 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
}

.checkout-options h3 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.checkout-options__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.checkout-order-summary {
  margin: 0 0 22px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
}

.checkout-order-summary h3 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.checkout-order-summary__rows {
  display: grid;
  gap: 10px;
  margin: 0;
}

.checkout-order-summary__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.checkout-order-summary__row dt {
  color: var(--muted);
}

.checkout-order-summary__row dd {
  margin: 0;
  text-align: right;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.checkout-order-summary__total {
  padding-top: 4px;
  padding-bottom: 0;
  border-bottom: 0;
  font-size: 1.08rem;
}

.checkout-form {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
}

.checkout-form h3,
.payment-panel h3 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.form-help {
  margin: -6px 0 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

.payment-note {
  margin: -8px 0 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid .full-row {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.required-mark {
  color: #b42318;
  font-weight: 900;
}

input,
select,
.card-field {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus,
.card-field:focus-within {
  outline: 2px solid rgba(15, 118, 110, 0.22);
  border-color: var(--accent);
}

.payment-methods {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
}

.payment-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.payment-selector legend {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  color: var(--muted);
  font-weight: 800;
}

.payment-selector label {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
}

.payment-selector label:has(input:checked) {
  border-color: var(--accent);
  background: #ecfdf5;
}

.payment-selector input {
  width: 18px;
  min-height: 18px;
  padding: 0;
}

.payment-panel[hidden],
.payment-selector label[hidden] {
  display: none;
}

.payment-panel {
  position: relative;
  padding-top: 2px;
  color: var(--text);
}

.checkout-status-layer[hidden] {
  display: none;
}

.checkout-status-layer {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100vh;
  padding: 18px;
  border-radius: 0;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(4px);
}

.checkout-status-layer__panel {
  width: min(380px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  text-align: center;
  overflow-wrap: anywhere;
  box-shadow: 0 18px 50px rgba(31, 41, 51, 0.18);
}

.checkout-status-layer__spinner {
  width: 38px;
  height: 38px;
  margin: 0 auto 14px;
  border: 4px solid #d8dee8;
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: checkout-spin 0.85s linear infinite;
}

.checkout-status-layer[data-state="error"] .checkout-status-layer__spinner {
  display: none;
}

.checkout-status-layer__panel h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.checkout-status-layer__panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.checkout-status-layer__retry {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 9px 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.checkout-status-layer__retry:hover {
  background: var(--accent-dark);
}

@keyframes checkout-spin {
  to {
    transform: rotate(360deg);
  }
}

#paypal-button-container,
#card-form .primary-cta {
  width: min(100%, 520px);
  margin-left: auto;
  margin-right: auto;
}

#card-form .primary-cta {
  display: flex;
}

.privacy-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.order-summary {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.order-summary div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.order-summary dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.order-summary dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

details {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: #eef2f6;
}

.policy-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  width: min(960px, calc(100% - 32px));
  margin: -18px auto 36px;
  color: var(--muted);
  font-size: 0.9rem;
}

.policy-footer a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.policy-footer a:hover {
  color: var(--accent-dark);
}

.policy-modal[hidden] {
  display: none;
}

.policy-modal {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: grid;
  isolation: isolate;
  place-items: center;
  padding: 24px;
}

.policy-modal__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(31, 41, 51, 0.46);
}

.policy-modal__panel {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(78vh, 760px);
  overflow: auto;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(31, 41, 51, 0.24);
}

.policy-modal__panel h2 {
  margin: 0 36px 18px 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

.policy-modal__content h3 {
  margin: 22px 0 8px;
  font-size: 1rem;
}

.policy-modal__content p {
  margin: 0 0 12px;
  color: var(--muted);
}

.policy-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
}

.policy-modal__close:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.policy-modal-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 960px);
    padding: 20px 0;
  }

  .product-hero,
  .product-section,
  .checkout-section,
  .system-page {
    padding: 20px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .payment-selector {
    grid-template-columns: 1fr;
  }

  .checkout-options__grid {
    grid-template-columns: 1fr;
  }

  .policy-footer {
    width: min(100% - 20px, 960px);
    margin: -4px auto 28px;
  }

  .policy-modal {
    padding: 14px;
  }

  .policy-modal__panel {
    max-height: 84vh;
    padding: 22px;
  }
}