/**
 * CBTAPPS Design System - Card Components
 * Version: 1.0.0
 *
 * Card component system for organizing content into
 * flexible, containers with multiple variants and styles.
 */

/* ============================================
 * CARD BASE
 * ============================================ */

.cbt-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

/* ============================================
 * CARD VARIANTS
 * ============================================ */

/* Default Card */
.cbt-card--default {
  border-color: var(--color-border-default);
}

/* Bordered Card */
.cbt-card--bordered {
  border: 2px solid var(--color-border-default);
}

/* Elevated Card */
.cbt-card--elevated {
  box-shadow: var(--shadow-base);
  border-color: transparent;

  &:hover {
    box-shadow: var(--shadow-md);
  }
}

/* Outlined Card */
.cbt-card--outlined {
  background-color: transparent;
  border: 2px solid var(--color-border-default);
}

/* Filled Card */
.cbt-card--filled {
  background-color: var(--color-background-secondary);
  border-color: transparent;
}

/* Interactive Card (clickable) */
.cbt-card--interactive {
  cursor: pointer;
  transition: all var(--transition-base);

  &:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-500);
    transform: translateY(-2px);
  }

  &:active {
    transform: translateY(0);
  }
}

/* ============================================
 * CARD COLORS
 * ============================================ */

.cbt-card--primary {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.cbt-card--secondary {
  background-color: var(--color-secondary-50);
  border-color: var(--color-secondary-200);
}

.cbt-card--success {
  background-color: var(--color-success-50);
  border-color: var(--color-success-200);
}

.cbt-card--warning {
  background-color: var(--color-warning-50);
  border-color: var(--color-warning-200);
}

.cbt-card--error {
  background-color: var(--color-error-50);
  border-color: var(--color-error-200);
}

/* ============================================
 * CARD SECTIONS
 * ============================================ */

.cbt-card__header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--color-border-subtle);

  &:last-child {
    border-bottom: none;
  }
}

.cbt-card__body {
  padding: var(--spacing-6);
  flex: 1;

  /* Compact variant */
  .cbt-card--compact & {
    padding: var(--spacing-4);
  }

  /* Spacious variant */
  .cbt-card--spacious & {
    padding: var(--spacing-8);
  }
}

.cbt-card__footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-background-secondary);

  &:last-child {
    border-top: none;
  }
}

.cbt-card__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ============================================
 * CARD TYPOGRAPHY
 * ============================================ */

.cbt-card__title {
  margin: 0 0 var(--spacing-2) 0;
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.cbt-card__subtitle {
  margin: 0 0 var(--spacing-3) 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.cbt-card__text {
  margin: 0 0 var(--spacing-4) 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);

  &:last-child {
    margin-bottom: 0;
  }
}

/* ============================================
 * CARD SIZES
 * ============================================ */

.cbt-card--sm {
  .cbt-card__header,
  .cbt-card__body,
  .cbt-card__footer {
    padding: var(--spacing-4);
  }

  .cbt-card__title {
    font-size: var(--font-size-lg);
  }
}

.cbt-card--lg {
  .cbt-card__header,
  .cbt-card__body,
  .cbt-card__footer {
    padding: var(--spacing-8);
  }

  .cbt-card__title {
    font-size: var(--font-size-2xl);
  }
}

/* ============================================
 * CARD LAYOUT MODIFIERS
 * ============================================ */

.cbt-card--horizontal {
  flex-direction: row;
  flex-wrap: wrap;

  .cbt-card__image {
    width: 200px;
    height: auto;

    @media (max-width: 640px) {
      width: 100%;
    }
  }

  .cbt-card__body {
    flex: 1;
  }
}

.cbt-card--no-padding {
  .cbt-card__header,
  .cbt-card__body,
  .cbt-card__footer {
    padding: 0;
  }
}

.cbt-card--no-border {
  border: none;
  box-shadow: none;
}

/* ============================================
 * CARD ACTIONS
 * ============================================ */

.cbt-card__actions {
  display: flex;
  gap: var(--spacing-2);
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-background-secondary);

  &--right {
    justify-content: flex-end;
  }

  &--center {
    justify-content: center;
  }

  &--space-between {
    justify-content: space-between;
  }
}

/* ============================================
 * CARD WITH ICONS
 * ============================================ */

.cbt-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-2xl);
  color: var(--color-primary-500);
  background-color: var(--color-primary-50);
}

.cbt-card--icon-top {
  text-align: center;

  .cbt-card__icon {
    margin: 0 auto var(--spacing-4);
  }
}

/* ============================================
 * CARD BADGES
 * ============================================ */

.cbt-card__badge {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  background-color: var(--color-primary-500);
  color: var(--color-neutral-0);
}

/* ============================================
 * CARD DIVIDER
 * ============================================ */

.cbt-card__divider {
  height: 1px;
  background-color: var(--color-border-subtle);
  border: none;
  margin: var(--spacing-4) 0;

  &--thick {
    height: 2px;
  }
}

/* ============================================
 * CARD GRID
 * ============================================ */

.cbt-card-grid {
  display: grid;
  gap: var(--spacing-6);

  &--2 {
    grid-template-columns: repeat(2, 1fr);

    @media (max-width: 768px) {
      grid-template-columns: 1fr;
    }
  }

  &--3 {
    grid-template-columns: repeat(3, 1fr);

    @media (max-width: 1024px) {
      grid-template-columns: repeat(2, 1fr);
    }

    @media (max-width: 640px) {
      grid-template-columns: 1fr;
    }
  }

  &--4 {
    grid-template-columns: repeat(4, 1fr);

    @media (max-width: 1024px) {
      grid-template-columns: repeat(2, 1fr);
    }

    @media (max-width: 640px) {
      grid-template-columns: 1fr;
    }
  }
}

/* ============================================
 * ACCESSIBILITY
 * ============================================ */

@media (prefers-reduced-motion: reduce) {
  .cbt-card,
  .cbt-card--interactive {
    transition: none;
  }

  .cbt-card--interactive:hover {
    transform: none;
  }

  .cbt-card--interactive:active {
    transform: none;
  }
}

/* Focus visible for interactive cards */
.cbt-card--interactive:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .cbt-card {
    border-width: 2px;
  }
}

/* ============================================
 * DARK MODE OVERRIDES
 * ============================================ */

[data-theme="dark"] {
  .cbt-card--primary {
    background-color: rgba(0, 115, 230, 0.15);
    border-color: rgba(0, 115, 230, 0.3);
  }

  .cbt-card--secondary {
    background-color: rgba(0, 187, 157, 0.15);
    border-color: rgba(0, 187, 157, 0.3);
  }

  .cbt-card--success {
    background-color: rgba(0, 159, 71, 0.15);
    border-color: rgba(0, 159, 71, 0.3);
  }

  .cbt-card--warning {
    background-color: rgba(255, 170, 0, 0.15);
    border-color: rgba(255, 170, 0, 0.3);
  }

  .cbt-card--error {
    background-color: rgba(230, 0, 0, 0.15);
    border-color: rgba(230, 0, 0, 0.3);
  }

  .cbt-card__icon {
    background-color: rgba(0, 115, 230, 0.2);
  }
}