/* =================================================================
   View Timetable (viewtimetable.ejs) - Styles
   ================================================================= */

/* =================================================================
   Page Layout
   ================================================================= */

.viewtimetable-container {
  padding: var(--spacing-6) 0;
}

/* =================================================================
   Page Header
   ================================================================= */

.page-header-section {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.animated-graphic {
  font-size: 3rem;
  margin-bottom: var(--spacing-4);
  animation: spin 2s linear infinite;
  display: inline-block;
}

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

.page-header-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

/* =================================================================
   Filter Forms
   ================================================================= */

.semester-form,
.filter-form {
  margin-bottom: var(--spacing-6);
}

.semester-form .form-group {
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.filter-form .form-label,
.semester-form .form-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  display: block;
}

.filter-form .form-select,
.semester-form .form-select {
  height: auto;
  min-height: 45px;
  padding: var(--spacing-3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: var(--transition-base);
}

.filter-form .form-select:focus,
.semester-form .form-select:focus {
  border-color: var(--color-primary-dark);
  box-shadow: 0 0 0 0.2rem rgba(37, 117, 252, 0.25);
  outline: none;
}

/* =================================================================
   Timetable Display
   ================================================================= */

.timetable-header {
  text-align: center;
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-5);
}

.timetable-header h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.timetable-header h5 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.table-container {
  overflow-x: auto;
  margin-top: var(--spacing-5);
  margin-bottom: var(--spacing-6);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-4);
}

/* Enhanced table styles */
.timetable-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: var(--font-size-sm);
}

.timetable-table thead th {
  background: var(--color-gray-800);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-3);
  font-weight: var(--font-weight-bold);
  border: 1px solid var(--color-border-dark);
  position: sticky;
  top: 0;
  z-index: 10;
}

.timetable-table tbody td {
  vertical-align: middle;
  text-align: center;
  padding: var(--spacing-3);
  border: 1px solid var(--color-border-medium);
  background: var(--color-white);
  line-height: var(--line-height-relaxed);
}

.timetable-table tbody tr:nth-child(even) td {
  background: var(--color-gray-100);
}

.timetable-table tbody tr:hover td {
  background: var(--color-primary-light);
  background-opacity: 0.1;
  transition: var(--transition-fast);
}

/* Time column styling */
.timetable-table tbody td:first-child {
  font-weight: var(--font-weight-bold);
  background: var(--color-gray-200);
  white-space: nowrap;
}

.timetable-table tbody tr:nth-child(even) td:first-child {
  background: var(--color-gray-300);
}

/* Cell content styling */
.timetable-table td b {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  display: inline-block;
  margin-right: var(--spacing-1);
}

.timetable-table td i {
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Break rows styling */
.break-row td {
  background: var(--color-warning) !important;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-style: italic;
}

/* =================================================================
   Action Buttons
   ================================================================= */

.action-buttons {
  text-align: center;
  margin: var(--spacing-6) 0;
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
}

.btn-print {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-gray-600);
  color: var(--color-white);
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.btn-print:hover {
  background: var(--color-gray-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-print:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-print i {
  margin-right: var(--spacing-2);
}

/* =================================================================
   Empty State & Messages
   ================================================================= */

.empty-state {
  text-align: center;
  padding: var(--spacing-10) var(--spacing-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

.empty-state.error {
  color: var(--color-danger);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: var(--spacing-4);
  display: block;
  opacity: 0.5;
}

/* =================================================================
   Select2 Overrides
   ================================================================= */

.select2-container--bootstrap-5 .select2-selection--single {
  height: auto !important;
  min-height: 45px;
  padding: var(--spacing-3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
  line-height: normal;
  padding: 0;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__arrow {
  height: 100%;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
  border-color: var(--color-primary-dark);
  box-shadow: 0 0 0 0.2rem rgba(37, 117, 252, 0.25);
}

/* =================================================================
   Responsive Adjustments
   ================================================================= */

@media (max-width: 992px) {
  .timetable-table {
    font-size: var(--font-size-xs);
  }

  .timetable-table thead th,
  .timetable-table tbody td {
    padding: var(--spacing-2);
  }
}

@media (max-width: 768px) {
  .viewtimetable-container {
    padding: var(--spacing-4) 0;
  }

  .animated-graphic {
    font-size: 2.5rem;
  }

  .page-header-section h2 {
    font-size: var(--font-size-2xl);
  }

  .timetable-header h3 {
    font-size: var(--font-size-2xl);
  }

  .timetable-header h5 {
    font-size: var(--font-size-lg);
  }

  .table-container {
    padding: var(--spacing-2);
    margin-left: calc(var(--spacing-4) * -1);
    margin-right: calc(var(--spacing-4) * -1);
    border-radius: 0;
  }

  .timetable-table {
    font-size: 11px;
  }

  .timetable-table thead th,
  .timetable-table tbody td {
    padding: var(--spacing-1);
    font-size: 10px;
  }

  .action-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-print {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .page-header-section h2 {
    font-size: var(--font-size-xl);
  }

  .timetable-table thead th,
  .timetable-table tbody td {
    padding: 4px;
    font-size: 9px;
    line-height: 1.3;
  }

  .timetable-table td br {
    display: none;
  }

  .timetable-table td b {
    display: block;
    margin-right: 0;
  }
}

/* =================================================================
   Print Styles
   ================================================================= */

@media print {
  .semester-form,
  .filter-form,
  .action-buttons {
    display: none !important;
  }

  .viewtimetable-container {
    padding: 0;
  }

  .table-container {
    box-shadow: none;
    padding: 0;
    margin: 0;
    overflow: visible;
  }

  .timetable-table {
    font-size: 10pt;
    page-break-inside: auto;
  }

  .timetable-table thead th {
    position: static;
    background: #343a40 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .timetable-table tbody tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }

  .timetable-table tbody tr:nth-child(even) td {
    background: #f8f9fa !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .timetable-header {
    margin-top: 0;
  }

  .animated-graphic {
    display: none;
  }
}

/* =================================================================
   Animations
   ================================================================= */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.table-container {
  animation: fadeIn 0.5s ease-out;
}

/* =================================================================
   Accessibility
   ================================================================= */

.timetable-table thead th:focus,
.timetable-table tbody td:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* High contrast support */
@media (prefers-contrast: high) {
  .timetable-table thead th {
    border-width: 2px;
  }

  .timetable-table tbody td {
    border-width: 2px;
  }
}