/* ============================================
   KTT CHECKOUT - CSS UNIFICADO
   Colores consistentes con el widget
   ============================================ */

:root {
  --ktt-primary: #91c5c5;
  --ktt-primary-dark: #7ab3b3;
  --ktt-coral: #f08e80;
  --ktt-coral-dark: #e67d6f;
  --ktt-gray-50: #f9fafb;
  --ktt-gray-100: #f3f4f6;
  --ktt-gray-200: #e5e7eb;
  --ktt-gray-300: #d1d5db;
  --ktt-gray-400: #9ca3af;
  --ktt-gray-500: #6b7280;
  --ktt-gray-600: #4b5563;
  --ktt-gray-700: #374151;
  --ktt-gray-800: #1f2937;
  --ktt-gray-900: #111827;
  --ktt-error: #dc2626;
  --ktt-error-bg: #fef2f2;
  --ktt-success: #059669;
  --ktt-success-bg: #ecfdf5;
}

/* Reset para el checkout */
#ktt-checkout-page,
#ktt-checkout-page * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#ktt-checkout-page {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--ktt-gray-50);
  overflow-y: auto;
  z-index: 99999;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  color: var(--ktt-gray-800);
}

/* ============================================
   CONTAINER
   ============================================ */
#ktt-checkout-page .ktt-checkout-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

/* ============================================
   HEADER
   ============================================ */
#ktt-checkout-page .ktt-checkout-header {
  background: #fff;
  padding: 16px 24px;
  border-bottom: 1px solid var(--ktt-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

#ktt-checkout-page .ktt-back-btn {
  background: var(--ktt-gray-100);
  border: 2px solid var(--ktt-gray-200);
  color: var(--ktt-gray-700);
  font-size: 14px;
  cursor: pointer;
  padding: 10px 20px;
  margin: 0 0 16px 0;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  border-radius: 8px;
}

#ktt-checkout-page .ktt-back-btn:hover {
  background: var(--ktt-gray-200);
  border-color: var(--ktt-gray-300);
  color: var(--ktt-gray-900);
  transform: translateX(-2px);
}

#ktt-checkout-page .ktt-back-btn:active {
  transform: translateX(0);
}

#ktt-checkout-page .ktt-back-btn:focus-visible {
  outline: 2px solid var(--ktt-primary);
  outline-offset: 2px;
  border-radius: 8px;
}

#ktt-checkout-page .ktt-checkout-header h1 {
  margin: 0;
  padding: 0;
  font-size: 22px;
  color: var(--ktt-gray-800);
  font-weight: 700;
  line-height: 1.2;
}

/* ============================================
   LAYOUT
   ============================================ */
#ktt-checkout-page .ktt-checkout-content {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  padding: 24px;
  align-items: start;
}

#ktt-checkout-page .ktt-checkout-main {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--ktt-gray-200);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* ============================================
   SECCIONES
   ============================================ */
#ktt-checkout-page .ktt-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ktt-gray-200);
}

#ktt-checkout-page .ktt-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

#ktt-checkout-page .ktt-section h2 {
  margin: 0 0 6px 0;
  padding: 0;
  font-size: 18px;
  color: var(--ktt-gray-800);
  font-weight: 700;
  line-height: 1.3;
}

#ktt-checkout-page .ktt-section-description {
  margin: 0 0 20px 0;
  padding: 0;
  color: var(--ktt-gray-700);
  font-size: 14px;
  line-height: 1.5;
}

/* ============================================
   FORMULARIOS
   ============================================ */
#ktt-checkout-page .ktt-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

#ktt-checkout-page .ktt-form-group {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

#ktt-checkout-page .ktt-form-group label {
  font-weight: 600;
  color: var(--ktt-gray-800);
  font-size: 13px;
  margin: 0 0 6px 0;
  padding: 0;
  display: block;
}

#ktt-checkout-page .ktt-form-group input,
#ktt-checkout-page .ktt-form-group select,
#ktt-checkout-page .ktt-form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--ktt-gray-200);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ktt-gray-800);
  transition: border-color 0.2s, box-shadow 0.2s;
  line-height: 1.5;
  box-shadow: none;
  outline: none;
  margin: 0;
}

#ktt-checkout-page .ktt-form-group input::placeholder {
  color: var(--ktt-gray-400);
}

#ktt-checkout-page .ktt-form-group input:hover,
#ktt-checkout-page .ktt-form-group select:hover,
#ktt-checkout-page .ktt-form-group textarea:hover {
  border-color: var(--ktt-gray-300);
}

#ktt-checkout-page .ktt-form-group input:focus,
#ktt-checkout-page .ktt-form-group select:focus,
#ktt-checkout-page .ktt-form-group textarea:focus {
  border-color: var(--ktt-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(145, 197, 197, 0.2);
}

#ktt-checkout-page .ktt-form-group small {
  font-size: 12px;
  color: var(--ktt-gray-600);
  margin: 6px 0 0 0;
  padding: 0;
  line-height: 1.4;
}

/* ============================================
   PASAJEROS
   ============================================ */
#ktt-checkout-page .ktt-passenger-card {
  background: var(--ktt-gray-50);
  border: 2px solid var(--ktt-gray-200);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

#ktt-checkout-page .ktt-passenger-card h3 {
  margin: 0 0 16px 0;
  padding: 0;
  font-size: 15px;
  color: var(--ktt-gray-800);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

#ktt-checkout-page .ktt-passenger-card h3::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ktt-primary);
  border-radius: 50%;
}

/* ============================================
   STRIPE CARD
   ============================================ */
#ktt-checkout-page #ktt-stripe-card-element {
  padding: 14px;
  border: 2px solid var(--ktt-gray-200);
  border-radius: 8px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 44px;
}

#ktt-checkout-page #ktt-stripe-card-element:hover {
  border-color: var(--ktt-gray-300);
}

#ktt-checkout-page #ktt-stripe-card-element:focus-within {
  border-color: var(--ktt-primary);
  box-shadow: 0 0 0 3px rgba(145, 197, 197, 0.2);
}

#ktt-checkout-page #ktt-stripe-card-errors {
  color: var(--ktt-error);
  font-size: 13px;
  margin: 8px 0 0 0;
  padding: 0;
  font-weight: 500;
}

/* ============================================
   CHECKBOX TÉRMINOS
   ============================================ */
#ktt-checkout-page .ktt-terms-checkbox {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--ktt-gray-50);
  border-radius: 8px;
  border: 2px solid var(--ktt-gray-200);
  align-items: flex-start;
  transition: border-color 0.2s;
}

#ktt-checkout-page .ktt-terms-checkbox:has(input:checked) {
  border-color: var(--ktt-primary);
  background: rgba(145, 197, 197, 0.05);
}

#ktt-checkout-page .ktt-terms-checkbox input[type="checkbox"] {
  margin: 2px 0 0 0;
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--ktt-primary);
}

#ktt-checkout-page .ktt-terms-checkbox label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ktt-gray-700);
  cursor: pointer;
  margin: 0;
  padding: 0;
}

#ktt-checkout-page .ktt-terms-checkbox a {
  color: var(--ktt-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

#ktt-checkout-page .ktt-terms-checkbox a:hover {
  color: var(--ktt-primary-dark);
  text-decoration: underline;
}

/* ============================================
   ERRORES
   ============================================ */
#ktt-checkout-page .ktt-checkout-errors {
  background: var(--ktt-error-bg);
  border: 2px solid var(--ktt-error);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

#ktt-checkout-page .ktt-error-content strong {
  display: block;
  color: var(--ktt-error);
  margin: 0 0 8px 0;
  padding: 0;
  font-size: 14px;
}

#ktt-checkout-page .ktt-error-content p,
#ktt-checkout-page .ktt-error-content li {
  color: var(--ktt-error);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}

#ktt-checkout-page .ktt-error-content ul {
  margin: 8px 0 0 20px;
  padding: 0;
}

/* ============================================
   BOTÓN DE PAGO
   ============================================ */
#ktt-checkout-page .ktt-submit-btn,
#ktt-checkout-page button.ktt-submit-btn,
#ktt-checkout-page button#ktt-submit-checkout {
  width: 100% !important;
  padding: 16px 24px !important;
  background: var(--ktt-coral) !important;
  background-color: var(--ktt-coral) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 999px !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  transition: background 0.2s, transform 0.1s !important;
  margin-top: 16px !important;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  line-height: 1.4 !important;
  font-family: inherit !important;
  text-decoration: none !important;
  display: block !important;
}

#ktt-checkout-page .ktt-submit-btn:hover:not(:disabled),
#ktt-checkout-page button.ktt-submit-btn:hover:not(:disabled),
#ktt-checkout-page button#ktt-submit-checkout:hover:not(:disabled) {
  background: var(--ktt-coral-dark) !important;
  background-color: var(--ktt-coral-dark) !important;
  color: #fff !important;
}

#ktt-checkout-page .ktt-submit-btn:active:not(:disabled),
#ktt-checkout-page button#ktt-submit-checkout:active:not(:disabled) {
  transform: scale(0.98) !important;
}

#ktt-checkout-page .ktt-submit-btn:focus-visible,
#ktt-checkout-page button#ktt-submit-checkout:focus-visible {
  outline: 2px solid var(--ktt-coral) !important;
  outline-offset: 2px !important;
}

#ktt-checkout-page .ktt-submit-btn:disabled,
#ktt-checkout-page button#ktt-submit-checkout:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
}

/* ============================================
   SIDEBAR RESUMEN
   ============================================ */
#ktt-checkout-page .ktt-checkout-sidebar {
  position: sticky;
  top: 100px;
}

#ktt-checkout-page .ktt-summary-card {
  background: #fff;
  border: 2px solid var(--ktt-gray-200);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

#ktt-checkout-page .ktt-summary-card h3 {
  margin: 0 0 16px 0;
  padding: 0;
  font-size: 18px;
  color: var(--ktt-gray-800);
  font-weight: 700;
}

#ktt-checkout-page .ktt-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--ktt-gray-100);
}

#ktt-checkout-page .ktt-summary-row:last-of-type {
  border-bottom: none;
}

#ktt-checkout-page .ktt-summary-row span {
  color: var(--ktt-gray-600);
  font-size: 14px;
}

#ktt-checkout-page .ktt-summary-row strong {
  color: var(--ktt-gray-800);
  font-size: 14px;
  font-weight: 600;
  text-align: right;
}

#ktt-checkout-page .ktt-summary-divider {
  height: 2px;
  background: var(--ktt-gray-200);
  margin: 16px 0;
  border: none;
}

#ktt-checkout-page .ktt-summary-total {
  padding: 16px 0 0 0;
  margin: 0;
}

#ktt-checkout-page .ktt-summary-total span,
#ktt-checkout-page .ktt-summary-total strong {
  font-size: 20px;
  font-weight: 700;
}

#ktt-checkout-page .ktt-summary-total strong {
  color: var(--ktt-primary);
}

#ktt-checkout-page .ktt-summary-security {
  margin-top: 20px;
  padding: 16px;
  background: rgba(145, 197, 197, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(145, 197, 197, 0.3);
}

#ktt-checkout-page .ktt-security-badge {
  font-size: 20px;
  margin-bottom: 8px;
  display: block;
}

#ktt-checkout-page .ktt-summary-security strong {
  display: block;
  color: var(--ktt-gray-800);
  font-size: 13px;
  margin: 0 0 4px 0;
  padding: 0;
  font-weight: 700;
}

#ktt-checkout-page .ktt-summary-security p {
  margin: 0;
  padding: 0;
  color: var(--ktt-gray-600);
  font-size: 12px;
  line-height: 1.4;
}

/* ============================================
   PÁGINA DE ÉXITO
   ============================================ */
#ktt-checkout-page .ktt-success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, var(--ktt-primary) 0%, #7ab3b3 100%);
}

#ktt-checkout-page .ktt-success-content {
  background: #fff;
  border-radius: 16px;
  padding: 48px;
  max-width: 600px;
  text-align: center;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

#ktt-checkout-page .ktt-success-icon {
  font-size: 64px;
  margin-bottom: 20px;
}

#ktt-checkout-page .ktt-success-content h1 {
  margin: 0 0 12px 0;
  padding: 0;
  font-size: 28px;
  color: var(--ktt-gray-800);
  font-weight: 700;
}

#ktt-checkout-page .ktt-booking-number {
  font-size: 15px;
  color: var(--ktt-gray-600);
  margin: 0 0 24px 0;
  padding: 0;
}

#ktt-checkout-page .ktt-booking-number strong {
  color: var(--ktt-primary);
  font-size: 24px;
  font-weight: 700;
  display: block;
  margin-top: 4px;
}

#ktt-checkout-page .ktt-success-details {
  background: var(--ktt-gray-50);
  border-radius: 8px;
  padding: 24px;
  margin: 24px 0;
  text-align: left;
  border: 1px solid var(--ktt-gray-200);
}

#ktt-checkout-page .ktt-success-details p {
  margin: 8px 0;
  padding: 0;
  color: var(--ktt-gray-700);
  font-size: 14px;
  line-height: 1.5;
}

#ktt-checkout-page .ktt-success-info h3 {
  margin: 16px 0 12px 0;
  padding: 0;
  color: var(--ktt-gray-800);
  font-size: 15px;
  font-weight: 700;
}

#ktt-checkout-page .ktt-success-info ul {
  margin: 0;
  padding-left: 20px;
  color: var(--ktt-gray-700);
}

#ktt-checkout-page .ktt-success-info li {
  margin: 8px 0;
  font-size: 14px;
  line-height: 1.5;
}

#ktt-checkout-page .ktt-btn-primary {
  padding: 16px 40px;
  background: linear-gradient(135deg, var(--ktt-primary) 0%, var(--ktt-primary-dark) 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 16px;
  display: inline-block;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(67, 133, 245, 0.3);
  text-transform: none;
  letter-spacing: 0.3px;
}

#ktt-checkout-page .ktt-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(67, 133, 245, 0.4);
  background: linear-gradient(135deg, var(--ktt-primary-dark) 0%, var(--ktt-primary) 100%);
}

#ktt-checkout-page .ktt-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(67, 133, 245, 0.3);
}

#ktt-checkout-page .ktt-btn-primary:focus-visible {
  outline: 3px solid var(--ktt-primary);
  outline-offset: 3px;
}

/* ============================================
   DESGLOSE DE PAGOS EN PLAZOS
   ============================================ */
#ktt-checkout-page .ktt-payment-breakdown {
  margin: 16px 0;
}

#ktt-checkout-page .ktt-payment-installment {
  background: var(--ktt-gray-50);
  border: 2px solid var(--ktt-gray-200);
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
}

#ktt-checkout-page .ktt-payment-now {
  border-color: var(--ktt-primary);
  background: rgba(145, 197, 197, 0.08);
}

#ktt-checkout-page .ktt-payment-later {
  border-color: var(--ktt-coral);
  background: rgba(240, 142, 128, 0.08);
}

#ktt-checkout-page .ktt-installment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

#ktt-checkout-page .ktt-installment-badge-num {
  width: 32px;
  height: 32px;
  background: var(--ktt-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

#ktt-checkout-page .ktt-payment-later .ktt-installment-badge-num {
  background: var(--ktt-coral);
}

#ktt-checkout-page .ktt-installment-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#ktt-checkout-page .ktt-installment-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ktt-gray-800);
}

#ktt-checkout-page .ktt-installment-when {
  font-size: 12px;
  color: var(--ktt-gray-600);
}

#ktt-checkout-page .ktt-installment-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  background: var(--ktt-primary);
  color: #fff;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#ktt-checkout-page .ktt-payment-later .ktt-installment-badge {
  background: var(--ktt-coral);
}

#ktt-checkout-page .ktt-installment-label {
  font-size: 13px;
  color: var(--ktt-gray-600);
  font-weight: 600;
}

#ktt-checkout-page .ktt-installment-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--ktt-gray-800);
  margin: 8px 0;
}

#ktt-checkout-page .ktt-installment-note {
  font-size: 12px;
  color: var(--ktt-gray-600);
  margin: 8px 0 0 0;
  padding: 10px;
  background: rgba(255,255,255,0.6);
  border-radius: 6px;
  line-height: 1.4;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  #ktt-checkout-page .ktt-checkout-content {
    grid-template-columns: 1fr;
  }

  #ktt-checkout-page .ktt-checkout-sidebar {
    position: static;
    order: -1;
  }
}

@media (max-width: 768px) {
  #ktt-checkout-page .ktt-checkout-header {
    padding: 12px 16px;
  }

  #ktt-checkout-page .ktt-checkout-header h1 {
    font-size: 18px;
  }

  #ktt-checkout-page .ktt-checkout-content {
    padding: 16px;
  }

  #ktt-checkout-page .ktt-checkout-main {
    padding: 20px;
    border-radius: 8px;
  }

  #ktt-checkout-page .ktt-form-grid {
    grid-template-columns: 1fr;
  }

  #ktt-checkout-page .ktt-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
  }

  #ktt-checkout-page .ktt-passenger-card {
    padding: 16px;
  }

  #ktt-checkout-page .ktt-summary-card {
    padding: 20px;
    border-radius: 8px;
  }

  #ktt-checkout-page .ktt-success-content {
    padding: 32px 20px;
    border-radius: 12px;
  }
  
  #ktt-checkout-page .ktt-success-content h1 {
    font-size: 22px;
  }
  
  #ktt-checkout-page .ktt-submit-btn {
    padding: 14px 20px;
    font-size: 15px;
  }
}

/* ============================================
   ACCESIBILIDAD - FOCUS VISIBLE
   ============================================ */
#ktt-checkout-page *:focus {
  outline: none;
}

#ktt-checkout-page *:focus-visible {
  outline: 2px solid var(--ktt-primary);
  outline-offset: 2px;
}

/* Alto contraste para textos */
#ktt-checkout-page .ktt-form-group label {
  color: var(--ktt-gray-800);
}

/* Indicador de campo requerido */
#ktt-checkout-page .ktt-form-group label.required::after {
  content: " *";
  color: var(--ktt-error);
}