/* CSS Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables */
:root {
  /* Primary Colors */
  --blue-100: hsl(225, 100%, 94%);
  --blue-700: hsl(245, 75%, 52%);

  /* Neutral Colors */
  --blue-50: hsl(225, 100%, 98%);
  --gray-600: hsl(224, 23%, 55%);
  --blue-950: hsl(223, 47%, 23%);

  /* Fonts */
  --font-family: "Red Hat Display", sans-serif;
  --font-size-base: 16px;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Border radius */
  --border-radius: 1.25rem;
  --border-radius-sm: 0.75rem;

  /* Shadows */
  --shadow: 0 40px 40px -20px hsla(224, 23%, 55%, 0.19);
  --shadow-button: 0 20px 20px hsla(245, 75%, 52%, 0.19);
}

/* Base Styles */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  color: var(--gray-600);
  background-color: var(--blue-100);
  background-image: url("./images/pattern-background-desktop.svg");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: contain;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Container */
.container {
  padding: var(--spacing-md);
  width: 100%;
  max-width: 450px;
}

/* Card Styles */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  width: 100%;
}

.card-header {
  width: 100%;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.card-content {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  text-align: center;
}

/* Typography */
.title {
  font-size: 1.75rem;
  font-weight: var(--font-weight-black);
  color: var(--blue-950);
  margin-bottom: var(--spacing-md);
}

.description {
  margin-bottom: var(--spacing-lg);
  line-height: 1.65;
  padding: 0 var(--spacing-sm);
}

/* Plan Details */
.plan-details {
  display: flex;
  align-items: center;
  background-color: var(--blue-50);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.plan-icon {
  margin-right: var(--spacing-md);
}

.plan-icon img {
  width: 48px;
  height: 48px;
}

.plan-info {
  flex: 1;
  text-align: left;
}

.plan-name {
  font-size: 1rem;
  font-weight: var(--font-weight-black);
  color: var(--blue-950);
  margin-bottom: 0.25rem;
}

.plan-price {
  color: var(--gray-600);
  font-size: 1rem;
}

.change-link {
  background: none;
  border: none;
  color: var(--blue-700);
  font-weight: var(--font-weight-bold);
  text-decoration: underline;
  font-size: 0.875rem;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all 0.3s ease;
}

.change-link:hover {
  color: hsl(245, 75%, 65%);
  text-decoration: none;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--blue-700);
  color: white;
  box-shadow: var(--shadow-button);
  margin-bottom: var(--spacing-md);
}

.btn-primary:hover {
  background-color: hsl(245, 75%, 65%);
}

.btn-secondary {
  background: transparent;
  color: var(--gray-600);
  font-weight: var(--font-weight-black);
}

.btn-secondary:hover {
  color: var(--blue-950);
}

/* Attribution */
.attribution {
  font-size: 11px;
  text-align: center;
  margin-top: var(--spacing-lg);
  color: var(--gray-600);
}

.attribution a {
  color: var(--blue-700);
  text-decoration: none;
}

.attribution a:hover {
  text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 480px) {
  body {
    background-image: url("./images/pattern-background-mobile.svg");
    padding: var(--spacing-md) 0;
  }

  .container {
    max-width: 327px;
    padding: var(--spacing-sm);
  }

  .card-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .title {
    font-size: 1.375rem;
  }

  .description {
    padding: 0;
    font-size: 0.9375rem;
  }

  .plan-details {
    padding: var(--spacing-sm);
  }

  .plan-icon {
    margin-right: var(--spacing-sm);
  }

  .plan-icon img {
    width: 40px;
    height: 40px;
  }

  .plan-name {
    font-size: 0.875rem;
  }

  .plan-price {
    font-size: 0.875rem;
  }

  .change-link {
    font-size: 0.8125rem;
  }
}

/* Focus States for Accessibility */
.btn-primary:focus,
.btn-secondary:focus,
.change-link:focus {
  outline: 2px solid var(--blue-700);
  outline-offset: 2px;
}

/* Active States */
.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary:active {
  transform: translateY(1px);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideIn 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--blue-100);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-black);
  color: var(--blue-950);
  margin: 0;
}

.close-btn {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--gray-600);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.close-btn:hover {
  background-color: var(--blue-100);
  color: var(--blue-950);
}

.modal-body {
  padding: var(--spacing-md) var(--spacing-lg);
}

.plan-option {
  margin-bottom: var(--spacing-md);
}

.plan-option:last-child {
  margin-bottom: 0;
}

.plan-option input[type="radio"] {
  display: none;
}

.plan-label {
  display: block;
  cursor: pointer;
  border: 2px solid var(--blue-100);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
  transition: all 0.3s ease;
}

.plan-label:hover {
  border-color: var(--blue-700);
  background-color: var(--blue-50);
}

.plan-option input[type="radio"]:checked + .plan-label {
  border-color: var(--blue-700);
  background-color: var(--blue-50);
  box-shadow: 0 0 0 3px hsla(245, 75%, 52%, 0.1);
}

.plan-details-modal {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plan-info-modal h3 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-black);
  color: var(--blue-950);
  margin-bottom: 0.25rem;
}

.plan-price-modal {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 0.25rem;
}

.plan-savings {
  font-size: 0.875rem;
  color: var(--blue-700);
  font-weight: var(--font-weight-bold);
}

.plan-icon-modal img {
  width: 40px;
  height: 40px;
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  flex-direction: column;
}

.btn-confirm,
.btn-cancel-modal {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-confirm {
  background-color: var(--blue-700);
  color: white;
  box-shadow: var(--shadow-button);
}

.btn-confirm:hover {
  background-color: hsl(245, 75%, 65%);
}

.btn-cancel-modal {
  background: transparent;
  color: var(--gray-600);
  border: 1px solid var(--blue-100);
}

.btn-cancel-modal:hover {
  color: var(--blue-950);
  border-color: var(--gray-600);
}

/* Animações */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsivo para o modal */
@media (max-width: 480px) {
  .modal-content {
    width: 95%;
    margin: var(--spacing-sm);
  }

  .modal-header {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  }

  .modal-header h2 {
    font-size: 1.25rem;
  }

  .modal-body {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .modal-footer {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
  }

  .plan-label {
    padding: var(--spacing-sm);
  }

  .plan-info-modal h3 {
    font-size: 1rem;
  }

  .plan-price-modal {
    font-size: 0.875rem;
  }

  .plan-savings {
    font-size: 0.8125rem;
  }

  .plan-icon-modal img {
    width: 32px;
    height: 32px;
  }
}

/* Cancel Modal Styles */
.cancel-modal {
  max-width: 400px;
}

.cancel-message {
  text-align: center;
  padding: var(--spacing-md) 0;
}

.cancel-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.cancel-message p {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--blue-950);
  margin-bottom: var(--spacing-sm);
}

.cancel-description {
  font-size: 0.9375rem !important;
  font-weight: var(--font-weight-medium) !important;
  color: var(--gray-600) !important;
  line-height: 1.6;
  margin-bottom: var(--spacing-md) !important;
}

.btn-confirm-cancel {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  background-color: #dc3545;
  color: white;
  margin-bottom: var(--spacing-sm);
}

.btn-confirm-cancel:hover {
  background-color: #c82333;
}

.btn-keep-order {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--blue-700);
  background-color: var(--blue-700);
  color: white;
}

.btn-keep-order:hover {
  background-color: hsl(245, 75%, 65%);
  border-color: hsl(245, 75%, 65%);
}

/* Cancelled Card Styles */
.card.cancelled {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 2px dashed var(--gray-600);
}

.card.cancelled .title {
  color: #6c757d;
}

.card.cancelled .description {
  color: #6c757d;
}

.plan-details.cancelled {
  background-color: #f8f9fa;
  border: 1px dashed #dee2e6;
  opacity: 0.7;
}

.plan-details.cancelled .plan-name {
  color: #6c757d;
}

.plan-details.cancelled .plan-price {
  color: #6c757d;
}

.plan-details.cancelled .change-link {
  pointer-events: none;
  opacity: 0.5;
  cursor: not-allowed;
}

.card.cancelled .btn-primary {
  background-color: #28a745;
  box-shadow: 0 20px 20px hsla(134, 61%, 41%, 0.19);
}

.card.cancelled .btn-primary:hover {
  background-color: #218838;
}

.card.cancelled .btn-secondary {
  color: #17a2b8;
}

.card.cancelled .btn-secondary:hover {
  color: #138496;
}

/* Checkout Modal Styles */
.checkout-modal {
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-section {
  border-bottom: 1px solid var(--blue-100);
  padding-bottom: var(--spacing-md);
}

.form-section:last-child {
  border-bottom: none;
}

.form-section h3 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-black);
  color: var(--blue-950);
  margin-bottom: var(--spacing-md);
}

.order-summary-section {
  background-color: var(--blue-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
}

.order-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.order-info {
  display: flex;
  flex-direction: column;
}

.order-plan-name {
  font-weight: var(--font-weight-bold);
  color: var(--blue-950);
}

.order-plan-price {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.order-total {
  text-align: right;
  font-size: 1.125rem;
  color: var(--blue-950);
  border-top: 1px solid var(--blue-100);
  padding-top: var(--spacing-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-md);
}

.form-group label {
  font-weight: var(--font-weight-bold);
  color: var(--blue-950);
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.form-group input,
.form-group select {
  padding: var(--spacing-sm);
  border: 2px solid var(--blue-100);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.875rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue-700);
}

.form-group input:invalid {
  border-color: #dc3545;
}

.payment-methods {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.payment-method {
  flex: 1;
}

.payment-method input[type="radio"] {
  display: none;
}

.payment-method label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  border: 2px solid var(--blue-100);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: var(--font-weight-bold);
  color: var(--blue-950);
}

.payment-method input[type="radio"]:checked + label {
  border-color: var(--blue-700);
  background-color: var(--blue-50);
}

.payment-icon {
  font-size: 1.25rem;
  margin-right: var(--spacing-xs);
}

.payment-form {
  animation: fadeIn 0.3s ease;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  min-width: 16px;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.5;
  cursor: pointer;
}

.checkbox-group a {
  color: var(--blue-700);
  text-decoration: none;
}

.checkbox-group a:hover {
  text-decoration: underline;
}

.checkout-footer {
  display: flex;
  gap: var(--spacing-md);
  flex-direction: row;
}

.btn-back,
.btn-complete-payment {
  flex: 1;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-back {
  background: transparent;
  color: var(--gray-600);
  border: 1px solid var(--blue-100);
}

.btn-back:hover {
  color: var(--blue-950);
  border-color: var(--gray-600);
}

.btn-complete-payment {
  background-color: #28a745;
  color: white;
  box-shadow: 0 20px 20px hsla(134, 61%, 41%, 0.19);
}

.btn-complete-payment:hover:not(:disabled) {
  background-color: #218838;
}

.btn-complete-payment:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

/* Success Modal */
.success-modal {
  max-width: 450px;
}

.success-message {
  text-align: center;
  padding: var(--spacing-xl);
}

.success-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.success-message h2 {
  font-size: 1.75rem;
  font-weight: var(--font-weight-black);
  color: #28a745;
  margin-bottom: var(--spacing-md);
}

.success-message p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.success-details {
  background-color: var(--blue-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.success-details p {
  margin-bottom: var(--spacing-xs);
  color: var(--blue-950);
  font-size: 0.875rem;
}

.success-details p:last-child {
  margin-bottom: 0;
}

.btn-continue {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-black);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  background-color: var(--blue-700);
  color: white;
  box-shadow: var(--shadow-button);
}

.btn-continue:hover {
  background-color: hsl(245, 75%, 65%);
}

/* Responsive Checkout */
@media (max-width: 480px) {
  .checkout-modal {
    width: 95%;
    max-height: 95vh;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .payment-methods {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .checkout-footer {
    flex-direction: column;
  }

  .form-section {
    padding-bottom: var(--spacing-sm);
  }

  .form-section h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
  }

  .order-summary-section {
    padding: var(--spacing-sm);
  }
}