/*
 * Card Components - 카드/컨테이너 컴포넌트
 * 사용법: <div class="card"><div class="card-body">내용</div></div>
 */

/* Base Card */
.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Card with shadow */
.card-elevated {
  box-shadow: var(--shadow-md);
  border: none;
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

.card-header-title,
.card-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-header-subtitle,
.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 0 0;
}

/* Card Body */
.card-body {
  padding: var(--spacing-md);
}

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

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

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

/* Card variants */
.card-primary {
  border-color: var(--color-primary);
}

.card-primary .card-header {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.card-danger {
  border-color: var(--color-danger);
}

.card-danger .card-header {
  background-color: var(--color-danger-light);
  border-color: var(--color-danger);
}

.card-success {
  border-color: var(--color-success);
}

.card-success .card-header {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
}

/* Stat Card (for statistics display) */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-card-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-card-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* Clickable card */
.card-clickable {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.card-clickable:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Card list item (for list of cards) */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.card-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.card-list-item:last-child {
  border-bottom: none;
}

.card-list-item:hover {
  background-color: var(--color-bg-secondary);
}

/* Empty State Card */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.empty-state-title {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs);
}

.empty-state-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}