/*
 * Cross Gateway Payment — Default Checkout Theme
 * All values driven by --cgw-* CSS custom properties (design tokens).
 */

/* ─── Reset & Base ────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
}

.cgw-checkout {
  font-family: var(--cgw-font-family);
  font-size: var(--cgw-font-size-base);
  line-height: var(--cgw-line-height-normal);
  color: var(--cgw-color-text);
  background: var(--cgw-color-background);
  max-width: var(--cgw-checkout-max-width);
  margin: 0 auto;
  padding: var(--cgw-spacing-8) var(--cgw-spacing-6);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Card / Surface ──────────────────────────────────────────────────── */

.cgw-card {
  background: var(--cgw-color-surface);
  border: 1px solid var(--cgw-color-border);
  border-radius: var(--cgw-radius-lg);
  box-shadow: var(--cgw-shadow-sm);
  padding: var(--cgw-spacing-6);
  transition: box-shadow var(--cgw-transition-normal);
}

.cgw-card-raised {
  background: var(--cgw-color-surface-raised);
  box-shadow: var(--cgw-shadow-md);
}

/* ─── Typography ──────────────────────────────────────────────────────── */

.cgw-title {
  font-size: var(--cgw-font-size-2xl);
  font-weight: var(--cgw-font-weight-bold);
  line-height: var(--cgw-line-height-tight);
  color: var(--cgw-color-text);
  letter-spacing: -0.025em;
}

.cgw-subtitle {
  font-size: var(--cgw-font-size-lg);
  font-weight: var(--cgw-font-weight-semibold);
  color: var(--cgw-color-text);
  letter-spacing: -0.01em;
}

.cgw-label {
  font-size: var(--cgw-font-size-sm);
  font-weight: var(--cgw-font-weight-medium);
  color: var(--cgw-color-text);
  margin-bottom: 0.375rem;
  display: block;
  letter-spacing: 0.01em;
}

.cgw-hint {
  font-size: var(--cgw-font-size-xs);
  color: var(--cgw-color-text-muted);
  line-height: var(--cgw-line-height-normal);
}

.cgw-error-text {
  font-size: var(--cgw-font-size-xs);
  color: var(--cgw-color-error);
  margin-top: 0.375rem;
  font-weight: var(--cgw-font-weight-medium);
}

/* ─── Inputs ──────────────────────────────────────────────────────────── */

.cgw-input {
  display: block;
  width: 100%;
  height: var(--cgw-input-height);
  padding: 0 var(--cgw-spacing-4);
  font-family: var(--cgw-font-family);
  font-size: var(--cgw-font-size-base);
  color: var(--cgw-color-text);
  background: var(--cgw-color-surface);
  border: 1.5px solid var(--cgw-color-border);
  border-radius: var(--cgw-radius-md);
  transition:
    border-color var(--cgw-transition-fast),
    box-shadow var(--cgw-transition-fast),
    background var(--cgw-transition-fast);
  outline: none;
}

.cgw-input::placeholder {
  color: var(--cgw-color-text-muted);
}

.cgw-input:hover {
  border-color: #c4c9d4;
}

.cgw-input:focus {
  border-color: var(--cgw-color-border-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cgw-color-primary) 15%, transparent);
  background: #fff;
}

.cgw-input-error {
  border-color: var(--cgw-color-error);
  background: color-mix(in srgb, var(--cgw-color-error) 3%, var(--cgw-color-surface));
}

.cgw-input-error:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cgw-color-error) 15%, transparent);
}

/* ─── Select ──────────────────────────────────────────────────────────── */

.cgw-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--cgw-spacing-4) center;
  padding-right: var(--cgw-spacing-10);
  cursor: pointer;
}

/* ─── Buttons ─────────────────────────────────────────────────────────── */

.cgw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cgw-spacing-2);
  height: var(--cgw-button-height);
  padding: 0 var(--cgw-spacing-6);
  font-family: var(--cgw-font-family);
  font-size: var(--cgw-font-size-base);
  font-weight: var(--cgw-font-weight-semibold);
  border: none;
  border-radius: var(--cgw-radius-md);
  cursor: pointer;
  transition:
    background var(--cgw-transition-fast),
    box-shadow var(--cgw-transition-fast),
    transform var(--cgw-transition-fast),
    opacity var(--cgw-transition-fast);
  outline: none;
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.cgw-btn:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cgw-color-primary) 30%, transparent);
}

.cgw-btn:active:not(:disabled) {
  transform: scale(0.985);
}

.cgw-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.cgw-btn-primary {
  background: linear-gradient(135deg, var(--cgw-color-primary), color-mix(in srgb, var(--cgw-color-primary) 85%, #000));
  color: var(--cgw-color-primary-foreground);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.12), 0 2px 6px color-mix(in srgb, var(--cgw-color-primary) 25%, transparent);
}

.cgw-btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--cgw-color-primary-hover), color-mix(in srgb, var(--cgw-color-primary-hover) 85%, #000));
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.15), 0 4px 12px color-mix(in srgb, var(--cgw-color-primary) 30%, transparent);
}

.cgw-btn-secondary {
  background: var(--cgw-color-secondary);
  color: var(--cgw-color-secondary-foreground);
  border: 1.5px solid var(--cgw-color-border);
}

.cgw-btn-secondary:hover:not(:disabled) {
  background: var(--cgw-color-secondary-hover);
  border-color: #c4c9d4;
}

.cgw-btn-outline {
  background: transparent;
  color: var(--cgw-color-text-secondary);
  border: 1.5px solid var(--cgw-color-border);
  font-weight: var(--cgw-font-weight-medium);
}

.cgw-btn-outline:hover:not(:disabled) {
  background: var(--cgw-color-secondary);
  color: var(--cgw-color-text);
  border-color: #c4c9d4;
}

.cgw-btn-destructive {
  background: linear-gradient(135deg, var(--cgw-color-error), color-mix(in srgb, var(--cgw-color-error) 85%, #000));
  color: var(--cgw-color-error-foreground);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.12), 0 2px 6px color-mix(in srgb, var(--cgw-color-error) 25%, transparent);
}

.cgw-btn-destructive:hover:not(:disabled) {
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.15), 0 4px 12px color-mix(in srgb, var(--cgw-color-error) 30%, transparent);
}

.cgw-btn-full {
  width: 100%;
}

.cgw-btn-lg {
  height: 3.25rem;
  font-size: var(--cgw-font-size-lg);
  padding: 0 var(--cgw-spacing-8);
  border-radius: var(--cgw-radius-lg);
}

/* ─── Alert ───────────────────────────────────────────────────────────── */

.cgw-alert {
  padding: var(--cgw-spacing-4);
  border-radius: var(--cgw-radius-md);
  font-size: var(--cgw-font-size-sm);
  font-weight: var(--cgw-font-weight-medium);
  display: flex;
  align-items: flex-start;
  gap: var(--cgw-spacing-3);
  line-height: var(--cgw-line-height-normal);
}

.cgw-alert-success {
  background: color-mix(in srgb, var(--cgw-color-success) 8%, var(--cgw-color-surface));
  color: var(--cgw-color-success);
  border: 1px solid color-mix(in srgb, var(--cgw-color-success) 20%, transparent);
}

.cgw-alert-error {
  background: color-mix(in srgb, var(--cgw-color-error) 8%, var(--cgw-color-surface));
  color: var(--cgw-color-error);
  border: 1px solid color-mix(in srgb, var(--cgw-color-error) 20%, transparent);
}

.cgw-alert-warning {
  background: color-mix(in srgb, var(--cgw-color-warning) 8%, var(--cgw-color-surface));
  color: var(--cgw-color-warning);
  border: 1px solid color-mix(in srgb, var(--cgw-color-warning) 20%, transparent);
}

.cgw-alert-info {
  background: color-mix(in srgb, var(--cgw-color-info) 8%, var(--cgw-color-surface));
  color: var(--cgw-color-info);
  border: 1px solid color-mix(in srgb, var(--cgw-color-info) 20%, transparent);
}

/* ─── Badge ───────────────────────────────────────────────────────────── */

.cgw-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.175rem var(--cgw-spacing-2);
  font-size: var(--cgw-font-size-xs);
  font-weight: var(--cgw-font-weight-semibold);
  border-radius: var(--cgw-radius-full);
  letter-spacing: 0.02em;
}

.cgw-badge-success {
  background: color-mix(in srgb, var(--cgw-color-success) 12%, transparent);
  color: var(--cgw-color-success);
}

.cgw-badge-error {
  background: color-mix(in srgb, var(--cgw-color-error) 12%, transparent);
  color: var(--cgw-color-error);
}

.cgw-badge-pending {
  background: color-mix(in srgb, var(--cgw-color-warning) 12%, transparent);
  color: var(--cgw-color-warning);
}

/* ─── Spinner ─────────────────────────────────────────────────────────── */

.cgw-spinner {
  display: inline-block;
  border: 2.5px solid var(--cgw-color-border);
  border-top-color: var(--cgw-color-primary);
  border-radius: 50%;
  animation: cgw-spin 0.7s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.cgw-spinner-sm { width: 1rem; height: 1rem; border-width: 2px; }
.cgw-spinner-md { width: 1.5rem; height: 1.5rem; }
.cgw-spinner-lg { width: 2.5rem; height: 2.5rem; border-width: 3px; }

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

/* ─── Divider ─────────────────────────────────────────────────────────── */

.cgw-divider {
  border: none;
  border-top: 1px solid var(--cgw-color-border);
  margin: var(--cgw-spacing-4) 0;
}

/* ─── Gateway Accordion ──────────────────────────────────────────────── */

.cgw-accordion-list {
  display: flex;
  flex-direction: column;
  gap: var(--cgw-spacing-4);
}

.cgw-accordion {
  background: var(--cgw-color-surface);
  border: 1.5px solid var(--cgw-color-border);
  border-radius: var(--cgw-radius-xl);
  overflow: hidden;
  transition:
    border-color var(--cgw-transition-normal),
    box-shadow var(--cgw-transition-normal);
}

.cgw-accordion-open {
  box-shadow: var(--cgw-shadow-md);
}

.cgw-accordion-active {
  border-color: var(--cgw-color-primary);
  box-shadow: 0 0 0 1px var(--cgw-color-primary), var(--cgw-shadow-sm);
}

/* Accordion header */
.cgw-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--cgw-spacing-4) var(--cgw-spacing-5);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--cgw-transition-fast);
}

.cgw-accordion-header:hover {
  background: color-mix(in srgb, var(--cgw-color-primary) 2%, transparent);
}

.cgw-accordion-header-left {
  display: flex;
  align-items: center;
  gap: var(--cgw-spacing-3);
}

.cgw-gateway-logo {
  height: 2rem;
  width: auto;
  max-width: 8rem;
  flex-shrink: 0;
  object-fit: contain;
}

.cgw-accordion-title {
  font-size: var(--cgw-font-size-lg);
  font-weight: var(--cgw-font-weight-bold);
  color: var(--cgw-color-text);
  line-height: var(--cgw-line-height-tight);
  letter-spacing: -0.01em;
}

.cgw-accordion-subtitle {
  font-size: var(--cgw-font-size-xs);
  color: var(--cgw-color-text-muted);
  margin-top: 0.125rem;
}

.cgw-accordion-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--cgw-color-text-muted);
  flex-shrink: 0;
  transition: transform var(--cgw-transition-normal);
}

.cgw-accordion-chevron-open {
  transform: rotate(180deg);
}

/* Accordion body — animated expand/collapse */
.cgw-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.cgw-accordion-body-open {
  max-height: 500px;
}

.cgw-accordion-body-inner {
  display: flex;
  flex-direction: column;
  gap: var(--cgw-spacing-2);
  padding: 0 var(--cgw-spacing-4) var(--cgw-spacing-4);
}

/* ─── Payment Method Options (inside accordion) ─────────────────────── */

.cgw-method-option {
  display: flex;
  align-items: center;
  gap: var(--cgw-spacing-3);
  padding: var(--cgw-spacing-3) var(--cgw-spacing-4);
  background: var(--cgw-color-secondary);
  border: 1.5px solid transparent;
  border-radius: var(--cgw-radius-md);
  cursor: pointer;
  transition:
    border-color var(--cgw-transition-fast),
    box-shadow var(--cgw-transition-fast),
    background var(--cgw-transition-fast),
    transform var(--cgw-transition-fast);
  text-align: left;
  width: 100%;
}

.cgw-method-option:hover {
  border-color: color-mix(in srgb, var(--cgw-color-primary) 40%, transparent);
  background: color-mix(in srgb, var(--cgw-color-primary) 4%, var(--cgw-color-secondary));
}

.cgw-method-option:active {
  transform: scale(0.99);
}

.cgw-method-option-selected {
  border-color: var(--cgw-color-primary);
  background: color-mix(in srgb, var(--cgw-color-primary) 8%, var(--cgw-color-surface));
  box-shadow: 0 0 0 1px var(--cgw-color-primary);
}

.cgw-method-type-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--cgw-color-primary) 8%, transparent);
  border-radius: var(--cgw-radius-md);
  color: var(--cgw-color-primary);
}

.cgw-method-option-selected .cgw-method-type-icon-wrap {
  background: color-mix(in srgb, var(--cgw-color-primary) 15%, transparent);
}

.cgw-method-type-icon {
  width: 1.125rem;
  height: 1.125rem;
}

.cgw-method-info {
  flex: 1;
  min-width: 0;
}

.cgw-method-label {
  font-size: var(--cgw-font-size-sm);
  font-weight: var(--cgw-font-weight-semibold);
  color: var(--cgw-color-text);
  line-height: var(--cgw-line-height-tight);
}

.cgw-method-desc {
  font-size: var(--cgw-font-size-xs);
  color: var(--cgw-color-text-muted);
  margin-top: 0.0625rem;
}

.cgw-method-check {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--cgw-color-primary);
  flex-shrink: 0;
}

/* ─── Form Layout ─────────────────────────────────────────────────────── */

.cgw-form-group {
  margin-bottom: var(--cgw-spacing-5);
}

.cgw-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--cgw-spacing-3);
}

/* ─── Order Summary ───────────────────────────────────────────────────── */

.cgw-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--cgw-spacing-2) 0;
}

.cgw-summary-label {
  font-size: var(--cgw-font-size-sm);
  color: var(--cgw-color-text-secondary);
}

.cgw-summary-value {
  font-size: var(--cgw-font-size-sm);
  font-weight: var(--cgw-font-weight-semibold);
  color: var(--cgw-color-text);
}

.cgw-summary-total {
  font-size: var(--cgw-font-size-xl);
  font-weight: var(--cgw-font-weight-bold);
  color: var(--cgw-color-text);
  letter-spacing: -0.02em;
}

/* ─── Status Screen ───────────────────────────────────────────────────── */

.cgw-status {
  text-align: center;
  padding: var(--cgw-spacing-10) var(--cgw-spacing-4);
}

.cgw-status-icon {
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto var(--cgw-spacing-5);
  border-radius: var(--cgw-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cgw-status-icon-success {
  background: color-mix(in srgb, var(--cgw-color-success) 12%, transparent);
  color: var(--cgw-color-success);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--cgw-color-success) 6%, transparent);
}

.cgw-status-icon-error {
  background: color-mix(in srgb, var(--cgw-color-error) 12%, transparent);
  color: var(--cgw-color-error);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--cgw-color-error) 6%, transparent);
}

.cgw-status-icon-pending {
  background: color-mix(in srgb, var(--cgw-color-warning) 12%, transparent);
  color: var(--cgw-color-warning);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--cgw-color-warning) 6%, transparent);
}

.cgw-status-title {
  font-size: var(--cgw-font-size-xl);
  font-weight: var(--cgw-font-weight-bold);
  color: var(--cgw-color-text);
  margin-bottom: var(--cgw-spacing-2);
  letter-spacing: -0.02em;
}

.cgw-status-message {
  font-size: var(--cgw-font-size-base);
  color: var(--cgw-color-text-secondary);
  margin-bottom: var(--cgw-spacing-8);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Secure footer badge ─────────────────────────────────────────────── */

.cgw-secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--cgw-spacing-2);
  margin-top: var(--cgw-spacing-6);
  padding-top: var(--cgw-spacing-4);
  border-top: 1px solid var(--cgw-color-border);
  font-size: var(--cgw-font-size-xs);
  color: var(--cgw-color-text-muted);
}

.cgw-secure-badge svg {
  width: 0.875rem;
  height: 0.875rem;
  opacity: 0.6;
}