/* =============================================================================
   dashboard-panels.css - Dashboard Panel Layout and Styling
   ============================================================================= */

/* =============================================================================
   1. Dashboard Grid Layout
   ============================================================================= */

/* Main dashboard container */
.dashboard-main-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  grid-template-areas: 
    "acts chapters scenes events"
    "characters locations visuals timeline";
  gap: 5px;
  width: 100%;
  padding: 0;
}

/* Dashboard panels row for alternative layout */
.dashboard-panels-row {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  grid-template-rows: 1fr 1fr !important;
  grid-template-areas:
    "acts chapters scenes events"
    "characters locations visuals timeline";
  gap: 5px !important;
  width: 100% !important;
  padding: 0 !important;
}

.dashboard-panels-row > .dashboard-panel {
  margin: 0 !important;
  padding: 0 !important;
}

/* Override any media queries or flex settings */
@media (max-width: 2000px), (max-width: 991.98px), (max-width: 767.98px), (max-width: 575.98px) {
  .dashboard-panels-row {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    grid-template-rows: 1fr 1fr !important;
    grid-template-areas:
      "acts chapters scenes events"
      "characters locations visuals timeline";
    gap: 5px !important;
    width: 100% !important;
    padding: 0 !important;
  }
}

/* =============================================================================
   2. Dashboard Panel Styling
   ============================================================================= */

.dashboard-panel {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid var(--border-color, #e0e0e0);
  min-width: 0;
  min-height: 180px;
  font-size: clamp(14px, 1vw, 18px);
  margin-bottom: 1rem;
  display: flex !important;
  flex-direction: column !important;
}

.dashboard-panel .card-header {
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-muted-dark);
  border-radius: 12px 12px 0 0;
}

.dashboard-panel .card-body {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
}

/* =============================================================================
   3. Panel Content Styling
   ============================================================================= */

.item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  border-bottom: 1px solid #f8f9fa;
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

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

.item-row:hover {
  background-color: #f8f9fa;
  border-left-color: var(--brand-blue);
}

.item-row.selected-item {
  background-color: #e3f2fd;
  border-left-color: var(--brand-blue);
  font-weight: 600;
}

.item-row.selected-item:hover {
  background-color: #bbdefb;
}

.item-row.disabled-item {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: #f8f9fa;
  color: var(--text-muted-dark);
}

.item-row.disabled-item .fw-bold {
  color: var(--text-muted-dark) !important;
}

/* =============================================================================
   4. Timeline Panel
   ============================================================================= */

.timeline-panel {
  grid-area: timeline;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid var(--border-color, #e0e0e0);
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.timeline-panel .card-header {
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-muted-dark);
  border-radius: 12px 12px 0 0;
}

.timeline-panel .card-body {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
}

/* =============================================================================
   5. Dark Theme Support
   ============================================================================= */

body.theme-dark .dashboard-panel {
  background-color: #343a40;
  border-color: #495057;
  color: #f8f9fa;
}

body.theme-dark .dashboard-panel .card-header {
  background-color: #495057;
  border-bottom-color: #6c757d;
  color: #f8f9fa;
}

body.theme-dark .item-row {
  border-bottom-color: #495057;
  color: #f8f9fa;
}

body.theme-dark .item-row:hover {
  background-color: #495057;
  border-left-color: #6c757d;
}

body.theme-dark .item-row.disabled-item {
  background-color: #495057;
  color: #6c757d;
}

body.theme-dark .item-row.disabled-item:hover {
  background-color: #495057;
  border-left-color: transparent;
}

body.theme-dark .timeline-panel {
  background-color: #343a40;
  border-color: #495057;
}

body.theme-dark .timeline-panel .card-header {
  background-color: #495057;
  border-bottom-color: #6c757d;
  color: #f8f9fa;
}

/* =============================================================================
   6. Responsive Design
   ============================================================================= */

@media (max-width: 991.98px) {
  .dashboard-main-row,
  .dashboard-panels-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    width: 100% !important;
    align-items: stretch !important;
  }
  
  .dashboard-panel,
  .timeline-panel {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    margin: 0 0 1rem 0 !important;
    order: unset !important;
    transform: none !important;
    display: flex !important;
    flex-direction: column !important;
  }
}

@media (max-width: 767.98px) {
  .dashboard-main-row,
  .dashboard-panels-row {
    gap: 0.75rem !important;
  }
  
  .dashboard-panel {
    font-size: 0.95em !important;
    padding: 0.5rem 0.5rem !important;
  }
}

@media (max-width: 575.98px) {
  .dashboard-main-row,
  .dashboard-panels-row {
    gap: 0.5rem !important;
  }
  
  .dashboard-panel {
    font-size: 0.9em !important;
    padding: 0.4rem 0.25rem !important;
  }
}

/* =============================================================================
   7. Accessibility
   ============================================================================= */

.dashboard-panel button,
.dashboard-panel .btn {
  min-width: var(--min-touch-target, 44px);
  min-height: var(--min-touch-target, 44px);
  font-size: 1em;
}

/* Ensure no horizontal scrolling */
body,
.dashboard-main-row,
.dashboard-panels-row {
  overflow-x: hidden !important;
}

/* WCAG 2.2: Maintain contrast and readability */
@media (max-width: 600px) {
  .dashboard-panel {
    background-color: #fff;
    color: #000;
  }
}

/* =============================================================================
   8. Touch Targets and Interactions
   ============================================================================= */

.item-row {
  min-height: 44px;
  touch-action: manipulation;
}

.item-row:focus {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

/* =============================================================================
   9. Loading States
   ============================================================================= */

.dashboard-panel.loading {
  opacity: 0.6;
  pointer-events: none;
}

.dashboard-panel.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =============================================================================
   10. Empty States
   ============================================================================= */

.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h4 {
  margin-bottom: 0.5rem;
  color: var(--text-muted-dark);
}

.empty-state p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* =============================================================================
   11. Loading States
   ============================================================================= */

.loading-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.loading-state .spinner-border {
  margin-bottom: 1rem;
}

.loading-state p {
  margin: 0;
  font-size: 0.9rem;
}

/* =============================================================================
   12. High Contrast Mode
   ============================================================================= */

@media (prefers-contrast: high) {
  .dashboard-panel {
    border: 2px solid #000;
  }
  
  .item-row {
    border-bottom: 2px solid #000;
  }
  
  .item-row.selected-item {
    border-left: 6px solid #000;
    background-color: #ffff00;
    color: #000;
  }
}

/* =============================================================================
   13. Reduced Motion
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
  .item-row {
    transition: none;
  }
  
  .item-row:hover {
    transform: none;
  }
  
  .dashboard-panel {
    transition: none;
  }
}