/* Checkout pages — extends landing.css tokens */

.checkout-page {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.checkout-page .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.checkout-page .header-inner {
  gap: 10px;
  min-width: 0;
}

.checkout-page .header-inner .btn {
  flex-shrink: 1;
  min-width: 0;
  white-space: normal;
  text-align: center;
}

.checkout-main {
  flex: 1;
  padding: calc(var(--header-h) + 2rem) 0 clamp(3rem, 6vw, 4rem);
  min-height: 0;
}

.checkout-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 960px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
    gap: 2.5rem;
  }
}

.checkout-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 2rem);
}

.checkout-kicker {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.checkout-panel h1 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.checkout-lead {
  color: var(--muted);
  margin-bottom: 1.5rem;
  max-width: 52ch;
}

.checkout-summary {
  margin: 0 0 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.checkout-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
}

.checkout-summary-row dt {
  font-weight: 600;
  color: var(--muted);
}

.checkout-summary-row dd {
  font-weight: 700;
  color: var(--text);
  text-align: right;
}

.checkout-trust {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.checkout-trust li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--muted);
}

.checkout-trust svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--success);
}

.checkout-form .form-field {
  margin-bottom: 1.25rem;
}

.checkout-form .form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.checkout-form .form-optional {
  font-weight: 500;
  color: var(--muted);
}

.checkout-form input[type="email"],
.checkout-form input[type="password"] {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  min-height: 48px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-text-fill-color: var(--text);
}

.checkout-form input[type="email"]::placeholder,
.checkout-form input[type="password"]::placeholder {
  color: var(--muted);
  opacity: 1;
}

.checkout-form input[type="email"]:hover,
.checkout-form input[type="password"]:hover {
  border-color: #94a3b8;
}

.checkout-form input[type="email"]:focus-visible,
.checkout-form input[type="password"]:focus-visible {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: var(--ring);
}

.checkout-form input[type="email"]:focus,
.checkout-form input[type="password"]:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: var(--ring);
}

/* Chrome autofill: sonst oft heller Hintergrund + helle Schrift */
.checkout-form input[type="email"]:-webkit-autofill,
.checkout-form input[type="email"]:-webkit-autofill:hover,
.checkout-form input[type="email"]:-webkit-autofill:focus,
.checkout-form input[type="password"]:-webkit-autofill,
.checkout-form input[type="password"]:-webkit-autofill:hover,
.checkout-form input[type="password"]:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text) !important;
  box-shadow: 0 0 0 1000px var(--bg) inset !important;
  border-color: var(--border-strong);
  transition: background-color 99999s ease-out 0s;
}

.form-hint {
  margin-top: 8px;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.45;
}

.checkout-checkbox {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  cursor: pointer;
  padding: 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.checkout-checkbox:hover {
  border-color: #94a3b8;
  background: var(--surface-2);
}

.checkout-checkbox:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12);
}

.checkout-checkbox:has(input:focus-visible) {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Sichtbar unsichtbar, aber klickbar & per Tastatur erreichbar */
.checkout-checkbox input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.checkout-checkbox-box {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 1px;
  border: 2px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  position: relative;
  transition: background 0.2s, border-color 0.2s;
}

.checkout-checkbox:hover .checkout-checkbox-box {
  border-color: #94a3b8;
}

.checkout-checkbox input:checked + .checkout-checkbox-box {
  border-color: var(--primary);
  background: var(--primary);
}

.checkout-checkbox input:checked + .checkout-checkbox-box::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

.checkout-checkbox-text {
  flex: 1;
  min-width: 0;
  color: var(--text);
}

.checkout-checkbox-text strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
}

.checkout-checkbox-text small {
  display: block;
  margin-top: 4px;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.45;
}

.checkout-vat-note {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.checkout-powered {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--muted);
}

.checkout-powered strong {
  color: var(--text);
}

.checkout-error {
  margin-top: 1rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  font-size: 0.875rem;
}

#checkout-submit:disabled {
  opacity: 0.75;
  cursor: wait;
}

.checkout-page--result .checkout-main {
  display: flex;
  align-items: center;
}

.checkout-result {
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(2rem, 5vw, 3rem);
}

.checkout-result-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkout-result-icon svg {
  width: 32px;
  height: 32px;
}

.checkout-result-icon--success {
  background: rgba(21, 128, 61, 0.12);
  color: var(--success);
}

.checkout-result-icon--cancel {
  background: rgba(185, 28, 28, 0.1);
  color: var(--danger);
}

.checkout-result h1 {
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.checkout-result .checkout-lead {
  margin-inline: auto;
  margin-bottom: 1.5rem;
}

.checkout-next-steps {
  text-align: left;
  margin: 0 0 1.75rem;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.checkout-next-steps li + li {
  margin-top: 0.5rem;
}

.checkout-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.checkout-session-id {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  word-break: break-all;
}

.checkout-account {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.checkout-account-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.checkout-account-lead {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.checkout-auth-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
}

.checkout-auth-tab {
  flex: 1;
  min-height: 44px;
  padding: 8px 10px;
  border: 0;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.checkout-auth-tab:hover {
  color: var(--text);
}

.checkout-auth-tab.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(15, 23, 42, 0.08));
}

.checkout-auth-panel {
  margin-top: 0.25rem;
}

.checkout-auth-panel .form-hint {
  margin-top: 0;
  margin-bottom: 0;
}

.checkout-auth-panel[data-auth-panel="register"] .checkout-account-fields,
.checkout-auth-panel[data-auth-panel="login"] .checkout-account-fields {
  margin-top: 0;
}

.checkout-session-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(21, 128, 61, 0.08);
  border: 1px solid rgba(21, 128, 61, 0.2);
  font-size: 0.875rem;
}

.checkout-auth-actions {
  display: grid;
  gap: 12px;
  margin-bottom: 0.5rem;
}

.checkout-auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8125rem;
}

.checkout-auth-divider::before,
.checkout-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.checkout-account-fields {
  display: grid;
  gap: 0;
  margin-top: 1rem;
}

.checkout-account-fields .form-field:last-child {
  margin-bottom: 0;
}

.checkout-account-fields input[type="email"],
.checkout-account-fields input[type="password"] {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font);
  font-size: 0.9375rem;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  min-height: 48px;
}

.checkout-footer-link {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.checkout-footer-link a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.checkout-footer-link a:hover {
  text-decoration: underline;
}

.checkout-payment-box {
  margin: 1.5rem 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  text-align: left;
}

.checkout-payment-dl {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.checkout-payment-dl dt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.checkout-payment-dl dd {
  margin: 0;
  font-weight: 600;
  word-break: break-all;
}

.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.btn-google svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-google:hover {
  background: var(--surface-2);
  border-color: #94a3b8;
}

@media (max-width: 640px) {
  .checkout-main {
    padding-bottom: calc(clamp(3rem, 8vw, 5rem) + env(safe-area-inset-bottom, 0px));
  }

  .checkout-auth-tabs {
    flex-direction: column;
    gap: 4px;
  }

  .checkout-auth-tab {
    width: 100%;
    flex: none;
  }

  .checkout-session-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .checkout-result-actions {
    flex-direction: column;
    width: 100%;
  }

  .checkout-result-actions .btn {
    width: 100%;
  }

  .checkout-page .logo-text {
    font-size: 0.95rem;
  }
}