/**
 * Component Styles
 * Reusable UI components
 */

/* ================================
   Cards
   ================================ */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-body {
  padding: var(--space-6);
}

.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg-secondary);
}

/* ================================
   Badges
   ================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
}

.badge-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-success {
  background-color: var(--color-success-100);
  color: var(--color-success-700);
}

.badge-warning {
  background-color: var(--color-warning-100);
  color: var(--color-warning-700);
}

.badge-error {
  background-color: var(--color-error-100);
  color: var(--color-error-700);
}

.badge-neutral {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-700);
}

/* ================================
   Alerts
   ================================ */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: var(--color-info-50);
  border-color: var(--color-info-500);
  color: var(--color-info-700);
}

.alert-success {
  background-color: var(--color-success-50);
  border-color: var(--color-success-500);
  color: var(--color-success-700);
}

.alert-warning {
  background-color: var(--color-warning-50);
  border-color: var(--color-warning-500);
  color: var(--color-warning-700);
}

.alert-error {
  background-color: var(--color-error-50);
  border-color: var(--color-error-500);
  color: var(--color-error-700);
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

/* ================================
   Loading Spinner
   ================================ */

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* ================================
   Skeleton Loading
   ================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-100) 25%,
    var(--color-neutral-200) 50%,
    var(--color-neutral-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-heading {
  height: 1.5em;
  width: 60%;
}

.skeleton-box {
  height: 120px;
}

/* ================================
   Tooltip
   ================================ */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-inverse);
  background-color: var(--color-neutral-800);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-tooltip);
  margin-bottom: var(--space-1);
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ================================
   Divider
   ================================ */

.divider {
  display: flex;
  align-items: center;
  margin: var(--space-6) 0;
}

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

.divider:not(:empty)::before {
  margin-right: var(--space-4);
}

.divider:not(:empty)::after {
  margin-left: var(--space-4);
}

.divider {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

/* ================================
   Avatar
   ================================ */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-xs);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--text-lg);
}

/* ================================
   Tag/Chip
   ================================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

.tag-removable {
  padding-right: var(--space-2);
}

.tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 14px;
  line-height: 1;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.tag-remove:hover {
  background-color: var(--color-neutral-200);
}

/* ================================
   Empty State
   ================================ */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-secondary);
}

.empty-state-icon {
  margin-bottom: var(--space-4);
  color: var(--color-neutral-400);
}

.empty-state-icon svg {
  width: 64px;
  height: 64px;
  margin: 0 auto;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  margin-bottom: var(--space-6);
}

/* ================================
   Icon Wrapper
   ================================ */

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.icon svg {
  width: 100%;
  height: 100%;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 32px;
  height: 32px;
}

.icon-xl {
  width: 48px;
  height: 48px;
}

/* ================================
   Price Display
   ================================ */

.price {
  font-family: var(--font-body);
  font-weight: var(--font-semibold);
}

.price-lg {
  font-size: var(--text-2xl);
}

.price-currency {
  font-size: 0.7em;
  vertical-align: super;
}

.price-period {
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  color: var(--color-text-secondary);
}

.price-original {
  text-decoration: line-through;
  color: var(--color-text-tertiary);
  font-weight: var(--font-normal);
}

/* ================================
   Star Rating
   ================================ */

.stars {
  display: inline-flex;
  gap: 2px;
  color: #fbbf24; /* Gold color for stars */
}

.star {
  font-size: 1.25em;
}

.star-empty {
  color: var(--color-neutral-300);
}