/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

/* Navigation */
.main-nav {
  background-color: #2c3e50;
  color: white;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: white;
  border-radius: 4px;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.nav-toggle:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-links a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.nav-links a:hover {
  background-color: #34495e;
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #34495e;
  list-style: none;
  min-width: 200px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  border-radius: 4px;
  margin-top: 0.5rem;
  z-index: 1000;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0;
}

.dropdown-menu a:hover {
  background-color: #2c3e50;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 2rem;
  min-height: calc(100vh - 200px);
}

/* Page Header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #e0e0e0;
}

.page-header h1 {
  color: #2c3e50;
  font-size: 2rem;
}

/* Session Planner-style breadcrumbs + nav */
.breadcrumb-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}

.breadcrumb {
  font-size: 14px;
  color: #666;
}

.breadcrumb a {
  color: #0066cc;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .separator {
  margin: 0 8px;
}

.breadcrumb-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.btn-disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: default;
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.dashboard-card {
  background-color: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.dashboard-card h2 {
  color: #2c3e50;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.dashboard-card .count {
  font-size: 3rem;
  font-weight: bold;
  color: #3498db;
  margin: 1rem 0;
}

.dashboard-card.highlight {
  background-color: #e8f4f8;
  border-color: #3498db;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #6c757d;
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #5a6268;
}

.btn-primary {
  background-color: #3498db;
}

.btn-primary:hover {
  background-color: #2980b9;
}

.btn-danger {
  background-color: #e74c3c;
}

.btn-danger:hover {
  background-color: #c0392b;
}

.btn-small {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
}

.data-table th {
  background-color: #f8f9fa;
  font-weight: 600;
  color: #2c3e50;
}

.data-table tr:hover {
  background-color: #f8f9fa;
}

.data-table .actions {
  white-space: nowrap;
}

.data-table .actions form {
  display: inline;
  margin-left: 0.5rem;
}

/* Forms */
.entity-form {
  max-width: 600px;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2c3e50;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
}

.form-group textarea {
  resize: vertical;
}

.form-group input[type="checkbox"] {
  margin-right: 0.5rem;
}

.checkbox-group {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  padding: 1rem;
  background-color: #f8f9fa;
}

.checkbox-label {
  display: block;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  background-color: white;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.checkbox-label:hover {
  background-color: #e8f4f8;
}

.checkbox-label input[type="checkbox"] {
  margin-right: 0.5rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: #6c757d;
  font-size: 1.1rem;
}

.empty-state a {
  color: #3498db;
  text-decoration: none;
  font-weight: 600;
}

.empty-state a:hover {
  text-decoration: underline;
}

/* Reports Grid */
.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.report-card {
  background-color: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 1.5rem;
}

.report-card h2 {
  color: #2c3e50;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.report-card p {
  color: #6c757d;
  margin-bottom: 1.5rem;
}

.report-form .form-group {
  margin-bottom: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: #6c757d;
  background-color: #f8f9fa;
  margin-top: 2rem;
}

/* Modal Styles */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  overflow-y: auto;
  padding: 2rem;
}

.modal-overlay.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.modal-dialog {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  max-width: 800px;
  width: 100%;
  margin: 2rem auto;
  max-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid #e0e0e0;
}

.modal-header h2 {
  margin: 0;
  color: #2c3e50;
  font-size: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: #6c757d;
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.modal-close:hover {
  background-color: #f8f9fa;
  color: #2c3e50;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.5rem;
  border-top: 1px solid #e0e0e0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Planner Styles */
.planner-controls {
  margin-bottom: 2rem;
}

.session-selector {
  width: 100%;
  max-width: 500px;
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid #ccc;
  border-radius: 4px;
  background-color: white;
  cursor: pointer;
}

.session-selector:focus {
  outline: none;
  border-color: #3498db;
}

.content-list-container {
  margin-top: 2rem;
}

.content-list-header {
  margin-bottom: 1.5rem;
}

.content-list-header h2 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.help-text {
  color: #6c757d;
  font-size: 0.9rem;
  margin: 0;
}

.content-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.content-item {
  background-color: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.content-item:hover {
  border-color: #3498db;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.1);
}

.content-item.dragging {
  opacity: 0.5;
  cursor: move;
}

.drag-handle {
  cursor: move;
  color: #6c757d;
  font-size: 1.5rem;
  padding: 0.25rem;
  user-select: none;
}

.drag-handle:hover {
  color: #2c3e50;
}

.content-details {
  flex: 1;
  min-width: 0;
}

.content-title {
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.content-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: #6c757d;
}

.content-format {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.content-actions {
  display: flex;
  gap: 0.5rem;
}

/* Assessment Criteria Styles */
.criteria-search {
  margin-bottom: 1rem;
}

.criteria-search-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.9rem;
}

.criteria-list {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  background-color: #f8f9fa;
}

.criteria-item {
  padding: 0.75rem;
  border-bottom: 1px solid #e0e0e0;
  background-color: white;
  margin: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.criteria-item:hover {
  background-color: #e8f4f8;
}

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

.criteria-header {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.criteria-header input[type="checkbox"] {
  margin-top: 0.25rem;
}

.criteria-info {
  flex: 1;
}

.criteria-id {
  font-weight: 600;
  color: #3498db;
  font-size: 0.9rem;
}

.criteria-theme {
  display: inline-block;
  background-color: #e8f4f8;
  color: #2c3e50;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.criteria-text {
  color: #2c3e50;
  font-size: 0.9rem;
  line-height: 1.4;
  margin-top: 0.25rem;
}

.evidence-list {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
  font-size: 0.85rem;
}

.evidence-item {
  padding: 0.5rem;
  background-color: #f8f9fa;
  border-left: 3px solid #3498db;
  margin-top: 0.5rem;
  border-radius: 3px;
}

.evidence-meta {
  color: #6c757d;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
}

.evidence-meta strong {
  color: #2c3e50;
}

.evidence-description {
  color: #2c3e50;
}

/* Drag and Drop Visual Feedback */
.content-item.drag-over {
  border-color: #3498db;
  border-style: dashed;
  background-color: #e8f4f8;
}

.drag-placeholder {
  height: 4px;
  background-color: #3498db;
  border-radius: 2px;
  margin: 0.5rem 0;
  transition: all 0.2s;
}

/* Loading State */
.loading {
  text-align: center;
  padding: 2rem;
  color: #6c757d;
}

.loading::after {
  content: "...";
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0%, 20% { content: "."; }
  40% { content: ".."; }
  60%, 100% { content: "..."; }
}

/* Markdown Content Styles */
.markdown-content {
  line-height: 1.6;
}

.markdown-content p {
  margin-bottom: 1em;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 600;
  color: #2c3e50;
}

.markdown-content h1 { font-size: 1.5em; }
.markdown-content h2 { font-size: 1.3em; }
.markdown-content h3 { font-size: 1.1em; }

.markdown-content ul,
.markdown-content ol {
  margin-left: 0;
  padding-left: 2em;
  margin-bottom: 1em;
  list-style-position: outside;
}

.markdown-content ul {
  list-style-type: disc;
}

.markdown-content ol {
  list-style-type: decimal;
}

.markdown-content li {
  margin-bottom: 0.5em;
  display: list-item;
}

.markdown-content ul ul {
  list-style-type: circle;
  padding-left: 2em;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.markdown-content ul ul ul {
  list-style-type: square;
  padding-left: 2em;
}

.markdown-content ol ol {
  list-style-type: lower-alpha;
  padding-left: 2em;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.markdown-content ol ol ol {
  list-style-type: lower-roman;
  padding-left: 2em;
}

.markdown-content code {
  background-color: #f8f9fa;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #e83e8c;
}

.markdown-content pre {
  background-color: #f8f9fa;
  padding: 1em;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1em;
}

.markdown-content pre code {
  background-color: transparent;
  padding: 0;
  color: #2c3e50;
}

.markdown-content blockquote {
  border-left: 4px solid #3498db;
  padding-left: 1em;
  margin-left: 0;
  color: #6c757d;
  font-style: italic;
}

.markdown-content strong {
  font-weight: 600;
  color: #2c3e50;
}

.markdown-content em {
  font-style: italic;
}

.markdown-content a {
  color: #3498db;
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-content hr {
  border: none;
  border-top: 2px solid #e0e0e0;
  margin: 2em 0;
}

.markdown-content table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1em;
}

.markdown-content th,
.markdown-content td {
  border: 1px solid #e0e0e0;
  padding: 0.5em;
  text-align: left;
}

.markdown-content th {
  background-color: #f8f9fa;
  font-weight: 600;
}

/* Markdown Preview Area in Modal */
.markdown-preview-toggle {
  margin-top: 0.5rem;
}

.markdown-preview-area {
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 1rem;
  background-color: #f8f9fa;
  margin-top: 0.5rem;
  min-height: 100px;
  max-height: 300px;
  overflow-y: auto;
}

/* Markdown preview in list/table views */
.markdown-preview {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .logo {
    white-space: nowrap;
    margin-right: auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 0.5rem;
    display: none;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .main-nav.nav-open .nav-links {
    display: flex;
  }

  .nav-links a {
    display: block;
    width: 100%;
  }

  .dropdown-menu {
    display: block;
    position: static;
    box-shadow: none;
    margin-top: 0;
    min-width: 0;
  }
  
  .page-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .breadcrumb-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .data-table {
    font-size: 0.875rem;
  }
  
  .container {
    padding: 1rem;
    margin: 1rem;
  }
  
  .modal-dialog {
    margin: 0;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .modal-overlay {
    padding: 0;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .content-item {
    flex-wrap: wrap;
  }
  
  .content-meta {
    flex-wrap: wrap;
  }

  .detail-panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Collapsible Content Panels for Session Planner */
.content-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
}

.content-collapsible {
  border: none;
  border-bottom: 1px solid #e0e0e0;
  background-color: #fff;
}

.content-collapsible:last-child {
  border-bottom: none;
}

.content-collapsible[open] {
  background-color: #f8f9fa;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  gap: 1rem;
  transition: background-color 0.15s ease;
}

.content-header::-webkit-details-marker {
  display: none;
}

.content-header::before {
  content: '\25B6';
  font-size: 0.7rem;
  color: #6c757d;
  transition: transform 0.2s ease;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.content-collapsible[open] .content-header::before {
  transform: rotate(90deg);
}

.content-header:hover {
  background-color: #f8f9fa;
}

.content-name {
  flex: 1;
  color: #2c3e50;
  font-weight: 500;
}

.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.status-badge.status-teach {
  color: #3498db;
  background-color: #e3f2fd;
}

.status-badge.status-observe {
  color: #e67e22;
  background-color: #fff3e0;
}

.status-badge.status-teach-and-observe {
  color: #27ae60;
  background-color: #e8f5e9;
}

.content-body {
  padding: 1rem 1.5rem 1rem 2.5rem;
  background-color: #fafbfc;
}

.content-body .markdown-content {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #2c3e50;
  margin-bottom: 0.75rem;
}

.content-body .markdown-content:last-child {
  margin-bottom: 0;
}

.content-body .observation-text {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
}

.content-body .markdown-content strong {
  font-weight: 600;
  color: #1a1a1a;
}

.inline-markdown {
  display: inline;
}

.inline-markdown p {
  display: inline;
  margin: 0;
}

.related-sessions {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid #e0e0e0;
}

.related-sessions .markdown-content {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: #555;
}

.related-sessions .markdown-content:last-child {
  margin-bottom: 0;
}

.content-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.content-actions form {
  display: inline;
  margin: 0;
}

/* Detail Panel (shared style for Session Details, Equipment, etc.) */
.detail-panel {
  background-color: #f8f9fa;
  padding: 1.5rem;
  border-radius: 4px;
  border: 1px solid #e0e0e0;
  margin-bottom: 1.5rem;
}

.detail-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.detail-panel-header:last-child {
  margin-bottom: 0;
}

.detail-panel-header h3 {
  margin: 0;
  color: #2c3e50;
  font-size: 1.1rem;
}

/* Equipment Section */
.equipment-section {
  margin-top: 2rem;
}

.equipment-content {
  color: #2c3e50;
}

.equipment-content ul,
.equipment-content ol {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}

.equipment-content li {
  margin: 0.25rem 0;
}

.equipment-content p {
  margin: 0.5rem 0;
}

.equipment-content p:first-child {
  margin-top: 0;
}

.equipment-content p:last-child {
  margin-bottom: 0;
}

/* Flash messages */
.flash-message {
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  font-size: 0.95rem;
  word-break: break-word;
}