/**
 * Shared utility CSS classes
 * Extracted from duplicated patterns across page-specific stylesheets.
 * Include this file in base templates to avoid repetition.
 */

/* ============================================================
   Status Badge Utilities
   Used by: orders.css, dashboard.css, menu-management.css
   ============================================================ */
.u-status-badge {
  padding: 4px var(--spacing-sm, 8px);
  border-radius: var(--border-radius-sm, 4px);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-medium, 500);
  text-transform: uppercase;
  display: inline-block;
}

.u-status-pending {
  background: var(--color-status-pending-bg);
  color: var(--color-status-pending-text);
}

.u-status-preparing {
  background: var(--color-status-progress-bg);
  color: var(--color-status-progress-text);
}

.u-status-delivered {
  background: var(--color-status-delivered-bg);
  color: var(--color-status-delivered-text);
}

.u-status-cancelled {
  background: var(--color-status-cancelled-bg);
  color: var(--color-status-cancelled-text);
}

.u-status-available {
  background: var(--color-success-light);
  color: var(--color-success-dark);
}

.u-status-unavailable {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

/* ============================================================
   Card Grid Layout Utilities
   Used by: menu-management.css, menu.css, orders.css
   ============================================================ */
.u-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg, 20px);
}

.u-card-grid--tight {
  gap: var(--spacing-md, 16px);
}

.u-card-grid--wide {
  gap: var(--spacing-xl, 24px);
}

/* ============================================================
   Empty State Utilities
   Used by: orders.css, menu.css, menu-management.css
   ============================================================ */
.u-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xxl, 60px);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius, 8px);
}

.u-empty-state h2 {
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md, 16px);
}

.u-empty-state p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm, 0.875rem);
}

/* ============================================================
   Responsive Filter Controls
   Used by: orders.css, menu-management.css
   ============================================================ */
@media (max-width: 768px) {
  .u-responsive-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md, 16px);
  }

  .u-responsive-controls .filter-group {
    width: 100%;
  }

  .u-card-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Form Layout Utilities
   Used by: menu-form.css, menu-management.css
   ============================================================ */
.u-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg, 20px);
}

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

.u-form-group {
  margin-bottom: var(--spacing-xl, 24px);
}

.u-form-group label {
  display: block;
  margin-bottom: var(--spacing-sm, 8px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-gray-900);
  font-size: var(--font-size-base, 1rem);
}

/* ============================================================
   Modal Overlay Utilities
   Used by: menu-management.css, cart.css
   ============================================================ */
.u-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

/* ============================================================
   Responsive Header Utilities
   Used by: orders.css, menu-form.css
   ============================================================ */
@media (max-width: 480px) {
  .u-responsive-header {
    flex-direction: column;
    gap: var(--spacing-md, 16px);
    text-align: center;
  }

  .u-responsive-header .header-right {
    justify-content: center;
  }
}

/* ============================================================
   Truncation and Text Utilities
   ============================================================ */
.u-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.u-text-center {
  text-align: center;
}

.u-text-secondary {
  color: var(--color-gray-700);
}

.u-text-muted {
  color: var(--color-gray-600);
}