:root {
    /* These variables are now defined in accessibility.css */
    /* We keep the original variables for backward compatibility */
    --primary-color: var(--WTH-timeline-primary-color);
    --secondary-color: var(--WTH-timeline-secondary-color);
    --accent-color: var(--WTH-timeline-accent-color);
    --light-color: var(--WTH-timeline-light-color);
    --dark-color: var(--WTH-timeline-dark-color);
    --success-color: var(--WTH-timeline-success-color);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    direction: var(--WTH-timeline-direction);
    text-align: var(--WTH-timeline-text-align);
}

body {
    background-color: var(--WTH-timeline-bg-color);
    color: var(--WTH-timeline-text-color);
    line-height: 1.6;
    font-size: var(--WTH-timeline-base-font-size);
}

.WTH-timeline-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--WTH-timeline-spacing-lg);
    filter: var(--WTH-timeline-contrast-filter);
}

.WTH-timeline-header {
    text-align: center;
    margin-bottom: var(--WTH-timeline-spacing-xl);
    padding: var(--WTH-timeline-spacing-lg);
    background: var(--WTH-timeline-header-bg);
    color: var(--WTH-timeline-text-inverse);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--WTH-timeline-shadow-color);
    position: relative;
}

.WTH-timeline-h1 {
    font-size: calc(2.5rem * var(--WTH-timeline-font-scale));
    margin-bottom: var(--WTH-timeline-spacing-sm);
}

.WTH-timeline-subtitle {
    font-size: calc(1.2rem * var(--WTH-timeline-font-scale));
    opacity: 0.9;
}

/* Rest of existing styles remain unchanged */
.WTH-timeline-main-content {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--WTH-timeline-spacing-lg);
    transition: all 0.3s ease;
}

.WTH-timeline-controls-panel {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background-color: var(--WTH-timeline-card-bg);
    padding: var(--WTH-timeline-spacing-lg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--WTH-timeline-shadow-color);
    transition: all 0.3s ease;
    overflow: hidden;
}

.WTH-timeline-controls-panel.collapsed {
    min-width: 60px;
    max-width: 60px;
    padding: var(--WTH-timeline-spacing-lg) var(--WTH-timeline-spacing-sm);
}

.WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle {
    flex-direction: column;
    align-items: center;
    gap: var(--WTH-timeline-spacing-xs);
}

/* Fix: Hide heading when sidebar is collapsed */
.WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle h2 {
    display: none;
}

.WTH-timeline-timeline-container {
    flex: 1;
    min-width: 300px;
    background-color: var(--WTH-timeline-card-bg);
    padding: var(--WTH-timeline-spacing-lg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--WTH-timeline-shadow-color);
    transition: all 0.3s ease;
}

.WTH-timeline-form-group {
    margin-bottom: var(--WTH-timeline-spacing-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

.WTH-timeline-label {
    display: block;
    margin-bottom: var(--WTH-timeline-spacing-xs);
    font-weight: 600;
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-input, .WTH-timeline-select, .WTH-timeline-textarea {
    width: 100%;
    padding: var(--WTH-timeline-spacing-sm);
    border: 1px solid var(--WTH-timeline-border-color);
    border-radius: 5px;
    font-size: calc(1rem * var(--WTH-timeline-font-scale));
    background-color: var(--WTH-timeline-card-bg);
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-textarea {
    resize: vertical;
    min-height: 80px;
}

.WTH-timeline-button {
    background-color: var(--WTH-timeline-primary-color);
    color: var(--WTH-timeline-text-inverse);
    border: none;
    padding: var(--WTH-timeline-spacing-sm) var(--WTH-timeline-spacing-md);
    border-radius: 5px;
    cursor: pointer;
    font-size: calc(1rem * var(--WTH-timeline-font-scale));
    transition: background-color 0.3s;
}

.WTH-timeline-button:hover {
    background-color: var(--WTH-timeline-secondary-color);
}

.WTH-timeline-btn-danger {
    background-color: var(--WTH-timeline-accent-color);
}

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

.WTH-timeline-btn-success {
    background-color: var(--WTH-timeline-success-color);
}

.WTH-timeline-btn-success:hover {
    background-color: #27ae60;
}

.WTH-timeline-timeline {
    position: relative;
    padding: var(--WTH-timeline-spacing-lg) 0;
}

.WTH-timeline-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50px;
    width: 4px;
    background-color: var(--WTH-timeline-primary-color);
    border-radius: 2px;
}

.WTH-timeline-timeline-item {
    position: relative;
    margin-bottom: var(--WTH-timeline-spacing-xl);
    padding-left: 80px;
}

.WTH-timeline-timeline-marker {
    position: absolute;
    left: 42px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--WTH-timeline-primary-color);
    border: 4px solid var(--WTH-timeline-card-bg);
    box-shadow: 0 0 0 3px var(--WTH-timeline-primary-color);
}

.WTH-timeline-timeline-content {
    background-color: var(--WTH-timeline-light-color);
    padding: var(--WTH-timeline-spacing-md);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--WTH-timeline-shadow-color);
}

.WTH-timeline-timeline-year {
    font-weight: bold;
    color: var(--WTH-timeline-primary-color);
    font-size: calc(1.2rem * var(--WTH-timeline-font-scale));
    margin-bottom: var(--WTH-timeline-spacing-xs);
}

.WTH-timeline-timeline-event {
    font-size: calc(1rem * var(--WTH-timeline-font-scale));
    margin-bottom: var(--WTH-timeline-spacing-xs);
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-timeline-era {
    display: inline-block;
    padding: 3px 8px;
    background-color: var(--WTH-timeline-secondary-color);
    color: var(--WTH-timeline-text-inverse);
    border-radius: 15px;
    font-size: calc(0.8rem * var(--WTH-timeline-font-scale));
    margin-top: var(--WTH-timeline-spacing-xs);
}

.WTH-timeline-language-selector {
    display: flex;
    gap: var(--WTH-timeline-spacing-sm);
    margin-bottom: var(--WTH-timeline-spacing-lg);
}

.WTH-timeline-language-btn {
    flex: 1;
    padding: var(--WTH-timeline-spacing-sm);
    background-color: var(--WTH-timeline-border-color);
    color: var(--WTH-timeline-secondary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: calc(0.9rem * var(--WTH-timeline-font-scale));
}

.WTH-timeline-language-btn.active {
    background-color: var(--WTH-timeline-primary-color);
    color: var(--WTH-timeline-text-inverse);
}

.WTH-timeline-actions {
    display: flex;
    gap: var(--WTH-timeline-spacing-sm);
    margin-top: var(--WTH-timeline-spacing-md);
}

.WTH-timeline-empty-timeline {
    text-align: center;
    padding: 40px;
    color: var(--WTH-timeline-text-light);
}

.WTH-timeline-timeline-item.WTH-timeline-editing .WTH-timeline-timeline-content {
    background-color: #fff9e6;
    border: 1px dashed var(--WTH-timeline-accent-color);
}

/* New styles for expand/collapse functionality */
.WTH-timeline-section {
    margin-bottom: var(--WTH-timeline-spacing-lg);
    border: 1px solid var(--WTH-timeline-border-color);
    border-radius: 8px;
    overflow: hidden;
}

.WTH-timeline-section-header {
    background-color: var(--WTH-timeline-light-color);
    padding: 12px 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

.WTH-timeline-section-header:hover {
    background-color: var(--WTH-timeline-primary-color);
    color: var(--WTH-timeline-text-inverse);
}

.WTH-timeline-section-title {
    font-weight: 600;
    font-size: calc(1.1rem * var(--WTH-timeline-font-scale));
    margin: 0;
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-section-header:hover .WTH-timeline-section-title {
    color: var(--WTH-timeline-text-inverse);
}

.WTH-timeline-section-toggle {
    font-size: calc(1.2rem * var(--WTH-timeline-font-scale));
    transition: transform 0.3s;
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-section-header:hover .WTH-timeline-section-toggle {
    color: var(--WTH-timeline-text-inverse);
}

.WTH-timeline-section-content {
    padding: var(--WTH-timeline-spacing-md);
    transition: all 0.3s ease;
}

.WTH-timeline-section.collapsed .WTH-timeline-section-content {
    display: none;
}

.WTH-timeline-section.collapsed .WTH-timeline-section-toggle {
    transform: rotate(-90deg);
}

.WTH-timeline-sidebar-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--WTH-timeline-spacing-md);
    padding-bottom: var(--WTH-timeline-spacing-sm);
    border-bottom: 1px solid var(--WTH-timeline-border-color);
}

.WTH-timeline-sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--WTH-timeline-primary-color);
    cursor: pointer;
    font-size: calc(0.9rem * var(--WTH-timeline-font-scale));
    display: flex;
    align-items: center;
    gap: var(--WTH-timeline-spacing-xs);
}

.WTH-timeline-sidebar-toggle-icon {
    transition: transform 0.3s;
}

.WTH-timeline-controls-panel.collapsed .WTH-timeline-section-content {
    display: none;
}

.WTH-timeline-controls-panel.collapsed .WTH-timeline-section {
    display: none;
}

.WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle-btn {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
}

.WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle-icon {
    transform: rotate(90deg);
}

/* RTL specific adjustments */
.WTH-timeline-container.rtl .WTH-timeline-timeline::before {
    left: auto;
    right: 50px;
}

.WTH-timeline-container.rtl .WTH-timeline-timeline-item {
    padding-left: 0;
    padding-right: 80px;
}

.WTH-timeline-container.rtl .WTH-timeline-timeline-marker {
    left: auto;
    right: 42px;
}

.WTH-timeline-container.rtl .WTH-timeline-options-icon {
    right: auto;
    left: 20px;
}

.WTH-timeline-container.rtl .WTH-timeline-question-icon {
    right: auto;
    left: 70px;
}

.WTH-timeline-container.rtl .WTH-timeline-install-btn-container {
    right: auto;
    left: 120px;
}

@media (max-width: 768px) {
    .WTH-timeline-main-content {
        flex-direction: column;
    }
    
    .WTH-timeline-controls-panel, .WTH-timeline-timeline-container {
        min-width: 100%;
        max-width: 100%;
    }
    
    .WTH-timeline-controls-panel.collapsed {
        min-width: 100%;
        max-width: 100%;
        padding: var(--WTH-timeline-spacing-lg);
    }
    
    .WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle {
        flex-direction: row;
    }
    
    .WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle-btn {
        writing-mode: horizontal-tb;
        transform: none;
    }
    
    .WTH-timeline-controls-panel.collapsed .WTH-timeline-section {
        display: block;
    }
    
    /* Fix: Show heading again on mobile even when collapsed */
    .WTH-timeline-controls-panel.collapsed .WTH-timeline-sidebar-toggle h2 {
        display: block;
    }
    
    .WTH-timeline-timeline::before {
        left: 30px;
    }
    
    .WTH-timeline-timeline-item {
        padding-left: 60px;
    }
    
    .WTH-timeline-timeline-marker {
        left: 22px;
    }
    
    /* RTL mobile adjustments */
    .WTH-timeline-container.rtl .WTH-timeline-timeline::before {
        right: 30px;
    }
    
    .WTH-timeline-container.rtl .WTH-timeline-timeline-item {
        padding-right: 60px;
    }
    
    .WTH-timeline-container.rtl .WTH-timeline-timeline-marker {
        right: 22px;
    }
    
    .WTH-timeline-container.rtl .WTH-timeline-options-icon {
        left: 10px;
    }
    
    .WTH-timeline-container.rtl .WTH-timeline-question-icon {
        left: 55px;
    }
    
    .WTH-timeline-container.rtl .WTH-timeline-install-btn-container {
        left: 100px;
    }
}

/* Offline Mode Styles */
.WTH-timeline-offline-mode {
  background-color: #f8f9fa;
}

.WTH-timeline-offline-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: 4px;
  margin: 10px 0;
  font-size: 14px;
  color: #856404;
}

.WTH-timeline-offline-dot {
  width: 8px;
  height: 8px;
  background-color: #ffc107;
  border-radius: 50%;
  animation: WTH-timeline-pulse 2s infinite;
}

.WTH-timeline-offline-banner {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: 10px 20px;
  text-align: center;
  border-bottom: 2px solid #ff7979;
  box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

.WTH-timeline-offline-notice {
  background-color: #e3f2fd;
  border: 1px solid #bbdefb;
  border-radius: 4px;
  padding: 12px;
  margin-top: 15px;
  font-size: 14px;
}

.WTH-timeline-offline-notice p {
  margin: 0;
  color: #1565c0;
}

@keyframes WTH-timeline-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Online/Offline state indicators */
.WTH-timeline-online .WTH-timeline-header {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.WTH-timeline-offline .WTH-timeline-header {
  border-bottom: 3px solid #ffc107;
}

/* Responsive offline styles */
@media (max-width: 768px) {
  .WTH-timeline-offline-banner {
    padding: 8px 15px;
    font-size: 14px;
  }
  
  .WTH-timeline-offline-notice {
    padding: 10px;
    font-size: 13px;
  }
}

/* Offline Mode Styling */
.WTH-timeline-offline-mode .WTH-timeline-header {
  background-color: #f39c12;
}

.WTH-timeline-offline-message {
  font-weight: 600;
  font-size: 14px;
}

.WTH-timeline-offline .WTH-timeline-controls-panel {
  border-right: 3px solid #e74c3c;
}

/* Online indicator */

/* Service Worker registration status */
.WTH-timeline-sw-status {
  position: fixed;
  bottom: 10px;
  right: 10px;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  z-index: 1000;
  background: #27ae60;
  color: white;
}

.WTH-timeline-sw-status.offline {
  background: #e74c3c;
}