/* Modern UI Enhancement for Fen Spatial */
/* Created: 2025 - Modern, Stylish Interface Upgrade */

:root {
  /* Modern Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  
  /* Glassmorphism Colors */
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Dark Mode Colors */
  --dark-bg: rgba(17, 25, 40, 0.75);
  --dark-border: rgba(255, 255, 255, 0.125);
  --dark-text: #e2e8f0;
  
  /* Spacing & Typography */
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Animations */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Global Enhancements */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Modern Button System */
.btn-modern {
  position: relative;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-modern:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px 0 rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(102, 126, 234, 0.6);
}

.btn-secondary {
  background: var(--glass-bg);
  color: #334155;
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success-gradient);
  color: white;
  box-shadow: 0 4px 15px 0 rgba(79, 172, 254, 0.4);
}

.btn-warning {
  background: var(--warning-gradient);
  color: white;
  box-shadow: 0 4px 15px 0 rgba(67, 233, 123, 0.4);
}

/* Modern Panel System */
.panel-modern {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: var(--glass-shadow);
  padding: 24px;
  margin: 16px;
  transition: var(--transition-smooth);
}

.panel-modern:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

.panel-header {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--glass-border);
}

/* Enhanced Side Panel - Stronger overrides */
.side-panel,
.settings-panel,
#newItemPanel,
#backgroundSelector {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(25px) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  border-radius: 16px 0 0 16px !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 8px 32px rgba(0, 0, 0, 0.08) !important;
  padding: 32px !important;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  overflow-x: hidden !important; /* Force no horizontal overflow */
  max-width: 350px !important; /* Constrain panel width */
  contain: layout !important; /* CSS containment */
}

.side-panel.visible,
.settings-panel[style*="block"],
#newItemPanel[style*="block"] {
  animation: slideInRight 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
}

/* Dark mode styles removed per user request */

/* Enhanced panel headers with stronger overrides */
.side-panel h2,
.settings-panel h2,
#newItemPanel h2,
#newItemPanelHeader,
.side-panel h3,
.settings-panel h3 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  font-weight: 700 !important;
  margin-bottom: 16px !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 1.4rem !important;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateX(0) scale(1);
    opacity: 1;
  }
}

/* Modern Cards */
.card-modern {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 12px 0;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card-modern:hover::before {
  transform: scaleX(1);
}

.card-modern:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(31, 38, 135, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-emoji {
  font-size: 1.2rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* Enhanced Accordion */
.accordion {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  padding: 16px 20px;
  margin: 8px 0;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.accordion::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s;
}

.accordion:hover::before {
  left: 100%;
}

.accordion:hover {
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 25px rgba(31, 38, 135, 0.3);
}

.accordion::after {
  content: '+';
  font-size: 20px;
  font-weight: 600;
  color: #667eea;
  float: right;
  transition: var(--transition-smooth);
}

.accordion.active::after {
  content: '−';
  transform: rotate(180deg);
}

/* Modern Input Fields */
.input-modern {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  font-family: var(--font-primary);
  font-size: 14px;
  transition: var(--transition-smooth);
  color: #1e293b;
}

/* Enhanced input styles for side panels - ensure adequate width for values */
.side-panel .field-container input[type="text"],
.side-panel .field-container input[type="number"],
.side-panel .field-container input[type="range"],
.side-panel .field-container input[type="file"],
.side-panel .field-container select,
.settings-panel .field-container input[type="text"],
.settings-panel .field-container input[type="number"], 
.settings-panel .field-container input[type="range"],
.settings-panel .field-container input[type="file"],
.settings-panel .field-container select,
#newItemPanel .field-container input[type="text"],
#newItemPanel .field-container input[type="number"],
#newItemPanel .field-container input[type="range"],
#newItemPanel .field-container input[type="file"],
#newItemPanel .field-container select {
  min-width: 80px !important; /* Ensure minimum width for at least 3 digits */
  max-width: none !important;
  flex: 1.5 !important; /* Increase flex ratio for more space */
  padding: 8px 12px !important;
  font-size: 13px !important; /* Slightly smaller font if needed */
  border: 2px solid var(--glass-border) !important;
  border-radius: 8px !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(10px) !important;
  transition: var(--transition-smooth) !important;
  box-sizing: border-box !important;
  display: block !important;
  visibility: visible !important;
}

/* Enhanced label styles for side panels - reduce space taken */
.side-panel .field-container label,
.settings-panel .field-container label,
#newItemPanel .field-container label {
  flex: 1 !important; /* Reduce label flex to give more space to inputs */
  margin-right: 12px !important; /* Reduce margin from 40% to fixed 12px */
  font-size: 13px !important;
  font-weight: 500 !important;
  white-space: nowrap !important; /* Prevent label wrapping */
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

/* Enhanced field container for better layout */
.side-panel .field-container,
.settings-panel .field-container,
#newItemPanel .field-container {
  display: flex !important;
  align-items: center !important;
  margin-bottom: 16px !important;
  gap: 8px !important; /* Add gap instead of relying on margins */
}

/* Focus states for side panel inputs */
.side-panel .field-container input[type="text"]:focus,
.side-panel .field-container input[type="number"]:focus,
.side-panel .field-container input[type="range"]:focus,
.side-panel .field-container input[type="file"]:focus,
.side-panel .field-container select:focus,
.settings-panel .field-container input[type="text"]:focus,
.settings-panel .field-container input[type="number"]:focus,
.settings-panel .field-container input[type="range"]:focus,
.settings-panel .field-container input[type="file"]:focus,
.settings-panel .field-container select:focus,
#newItemPanel .field-container input[type="text"]:focus,
#newItemPanel .field-container input[type="number"]:focus,
#newItemPanel .field-container input[type="range"]:focus,
#newItemPanel .field-container input[type="file"]:focus,
#newItemPanel .field-container select:focus {
  outline: none !important;
  border-color: #667eea !important;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15) !important;
  background: rgba(255, 255, 255, 0.6) !important;
}

/* Enhanced File Input Styling */
input[type="file"] {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(10px) !important;
  border: 2px solid var(--glass-border) !important;
  border-radius: 8px !important;
  padding: 8px 12px !important;
  font-family: var(--font-primary) !important;
  font-size: 13px !important;
  color: #1e293b !important;
  cursor: pointer !important;
  display: block !important;
  visibility: visible !important;
  width: 100% !important;
  min-height: 40px !important;
  transition: var(--transition-smooth) !important;
}

input[type="file"]:hover {
  background: rgba(255, 255, 255, 0.4) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

input[type="file"]:focus {
  outline: none !important;
  border-color: #667eea !important;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15) !important;
  background: rgba(255, 255, 255, 0.6) !important;
}

/* File input button styling */
input[type="file"]::file-selector-button {
  background: var(--primary-gradient) !important;
  border: none !important;
  border-radius: 6px !important;
  color: white !important;
  padding: 6px 12px !important;
  margin-right: 8px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
}

input[type="file"]::file-selector-button:hover {
  background: var(--secondary-gradient) !important;
  transform: translateY(-1px) !important;
}

/* Full-Page Image Selector Modal */
#imageModal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.8) !important;
  backdrop-filter: blur(10px) !important;
  z-index: 10000 !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  animation: fadeIn 0.3s ease !important;
}

#imageModal.show {
  display: flex !important;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.image-modal-content {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(25px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 20px !important;
  padding: 40px !important;
  max-width: 90vw !important;
  max-height: 90vh !important;
  width: 800px !important;
  overflow-y: auto !important;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3) !important;
  position: relative !important;
  animation: slideInScale 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
}

@keyframes slideInScale {
  from {
    transform: scale(0.8) translateY(50px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.image-modal-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-bottom: 30px !important;
  padding-bottom: 20px !important;
  border-bottom: 2px solid var(--glass-border) !important;
}

.image-modal-title {
  font-size: 2rem !important;
  font-weight: 700 !important;
  background: var(--primary-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  margin: 0 !important;
  font-family: 'Inter', sans-serif !important;
}

.image-modal-close {
  background: var(--secondary-gradient) !important;
  border: none !important;
  border-radius: 50% !important;
  width: 40px !important;
  height: 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: white !important;
  font-size: 18px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  box-shadow: 0 4px 12px rgba(240, 147, 251, 0.4) !important;
}

.image-modal-close:hover {
  transform: rotate(90deg) scale(1.1) !important;
  box-shadow: 0 8px 20px rgba(240, 147, 251, 0.6) !important;
}

.image-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important;
  gap: 20px !important;
  margin-bottom: 30px !important;
  max-height: 400px !important;
  overflow-y: auto !important;
  padding: 20px !important;
  background: rgba(255, 255, 255, 0.1) !important;
  border-radius: 12px !important;
  border: 1px solid var(--glass-border) !important;
}

.image-grid img {
  width: 100% !important;
  height: 120px !important;
  object-fit: cover !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  border: 3px solid transparent !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

.image-grid img:hover {
  transform: scale(1.05) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
  border-color: var(--glass-border) !important;
}

.image-grid img.selected {
  border-color: #667eea !important;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3) !important;
}

.upload-section {
  background: rgba(255, 255, 255, 0.1) !important;
  border: 2px dashed var(--glass-border) !important;
  border-radius: 12px !important;
  padding: 30px !important;
  text-align: center !important;
  margin-bottom: 20px !important;
  transition: var(--transition-smooth) !important;
}

.upload-section:hover {
  border-color: #667eea !important;
  background: rgba(255, 255, 255, 0.15) !important;
}

.upload-section h3 {
  font-size: 1.3rem !important;
  font-weight: 600 !important;
  color: #1e293b !important;
  margin-bottom: 15px !important;
  font-family: 'Inter', sans-serif !important;
}

.upload-input {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(10px) !important;
  border: 2px solid var(--glass-border) !important;
  border-radius: 8px !important;
  padding: 12px 16px !important;
  font-family: var(--font-primary) !important;
  font-size: 14px !important;
  color: #1e293b !important;
  cursor: pointer !important;
  width: 100% !important;
  max-width: 400px !important;
  margin: 0 auto 20px !important;
  display: block !important;
  transition: var(--transition-smooth) !important;
}

.upload-input:hover {
  background: rgba(255, 255, 255, 0.4) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

.upload-button {
  background: var(--primary-gradient) !important;
  color: white !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 12px 24px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  margin-right: 10px !important;
}

.upload-button:hover {
  background: var(--secondary-gradient) !important;
  transform: translateY(-2px) !important;
}

.modal-actions {
  display: flex !important;
  justify-content: flex-end !important;
  gap: 15px !important;
  margin-top: 30px !important;
  padding-top: 20px !important;
  border-top: 2px solid var(--glass-border) !important;
}

.btn-cancel {
  background: rgba(255, 255, 255, 0.3) !important;
  color: #1e293b !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 8px !important;
  padding: 12px 24px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.5) !important;
  transform: translateY(-1px) !important;
}

.btn-select {
  background: var(--success-gradient) !important;
  color: white !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 12px 24px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  opacity: 0.5 !important;
  pointer-events: none !important;
}

.btn-select.enabled {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.btn-select.enabled:hover {
  background: var(--warning-gradient) !important;
  transform: translateY(-2px) !important;
}

/* Video Modal Styles */
#videoModal {
  display: none !important;
  position: fixed !important;
  z-index: 9999 !important;
  left: 0 !important;
  top: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background-color: rgba(0, 0, 0, 0.7) !important;
  align-items: center !important;
  justify-content: center !important;
  animation: fadeIn 0.3s ease !important;
}

#videoModal.show {
  display: flex !important;
  opacity: 1 !important;
}

.video-modal-content {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(25px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 20px !important;
  padding: 40px !important;
  max-width: 90vw !important;
  max-height: 85vh !important;
  overflow-y: auto !important;
  position: relative !important;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15) !important;
  animation: slideInUp 0.4s ease !important;
}

.video-modal-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-bottom: 30px !important;
  padding-bottom: 20px !important;
  border-bottom: 2px solid var(--glass-border) !important;
}

.video-modal-title {
  font-size: 28px !important;
  font-weight: 700 !important;
  background: var(--primary-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  margin: 0 !important;
}

.video-modal-close {
  background: none !important;
  border: none !important;
  font-size: 32px !important;
  font-weight: bold !important;
  cursor: pointer !important;
  color: #64748b !important;
  padding: 8px !important;
  border-radius: 50% !important;
  width: 48px !important;
  height: 48px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: var(--transition-smooth) !important;
  line-height: 1 !important;
}

.video-modal-close:hover {
  background: rgba(255, 0, 0, 0.1) !important;
  color: #ef4444 !important;
  transform: rotate(90deg) !important;
}

.video-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)) !important;
  gap: 20px !important;
  margin-bottom: 30px !important;
  min-height: 200px !important;
}

.video-container {
  position: relative !important;
  background: rgba(255, 255, 255, 0.2) !important;
  border: 2px solid transparent !important;
  border-radius: 12px !important;
  overflow: hidden !important;
  cursor: pointer !important;
  transition: var(--transition-smooth) !important;
  aspect-ratio: 16/9 !important;
}

.video-container:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

.video-container.selected {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3) !important;
}

.video-container video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
}

.video-upload-area {
  text-align: center !important;
  padding: 30px !important;
  border: 3px dashed var(--glass-border) !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.1) !important;
  backdrop-filter: blur(10px) !important;
  margin-bottom: 30px !important;
  transition: var(--transition-smooth) !important;
}

.video-upload-area:hover {
  border-color: rgba(255, 255, 255, 0.4) !important;
  background: rgba(255, 255, 255, 0.15) !important;
}

.input-modern:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: rgba(255, 255, 255, 0.4);
}

.input-modern::placeholder {
  color: #64748b;
  font-weight: 400;
}

/* Enhanced Top Buttons */
.top-buttons {
  display: flex;
  gap: 12px;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.1);
  padding: 8px;
  border-radius: var(--border-radius);
  border: 1px solid var(--glass-border);
}

.top-buttons button {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  padding: 10px 16px;
  font-family: var(--font-primary);
  font-weight: 600;
  color: #1e293b;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.top-buttons button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 38, 135, 0.3);
}

/* Page Info Box Enhancement */
.page-info-box {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 12px 20px;
  box-shadow: var(--glass-shadow);
  font-family: var(--font-primary);
  font-weight: 600;
  color: #1e293b;
  transition: var(--transition-smooth);
}

.page-info-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(31, 38, 135, 0.4);
}

/* Enhanced Settings Panel */
.settings-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  box-shadow: var(--glass-shadow);
  font-family: var(--font-primary);
}

.settings-panel h2, .settings-panel h3 {
  background: var(--primary-gradient);
  -webkit-background-clip: text;

  background-clip: text;
  font-weight: 700;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
}

/* Modern card styling for navigation panel items */
.card-modern,
#newNavItemCard,
#newTextItemCard,
#newImageItemCard,
#new3DItemCard,
#newVideoItemCard {
  background: rgba(255, 255, 255, 0.4) !important;
  backdrop-filter: blur(15px) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  border-radius: 16px !important;
  padding: 20px !important;
  margin: 12px 0 !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  cursor: pointer !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

.card-modern:hover,
#newNavItemCard:hover,
#newTextItemCard:hover,
#newImageItemCard:hover,
#new3DItemCard:hover,
#newVideoItemCard:hover {
  background: rgba(255, 255, 255, 0.6) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
}

.card-title {
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important;
  font-size: 1.1rem !important;
  color: #1f2937 !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

.card-emoji {
  font-size: 1.3em !important;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1)) !important;
}

/* Settings Box Enhancement */
.settings-box {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  margin: 12px 0;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.settings-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--success-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.settings-box:hover::before {
  transform: scaleX(1);
}

.settings-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(31, 38, 135, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Close Button Enhancement */
.close-button {
  background: var(--secondary-gradient);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(240, 147, 251, 0.4);
}

.close-button:hover {
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 8px 20px rgba(240, 147, 251, 0.6);
}

/* Chat Interface Enhancement */
#chatOutput {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 20px;
  font-family: var(--font-primary);
}

.chat-message {
  margin: 16px 0;
  animation: fadeInUp 0.3s ease;
}

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

.user-message {
  background: var(--success-gradient);
  color: white;
  border-radius: var(--border-radius-sm);
  padding: 16px;
  box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
  border: none;
}

/* Loading Animation */
.loading-dots {
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

/* Hover Effects for Interactive Elements */
.interactive-element {
  transition: var(--transition-smooth);
  cursor: pointer;
}

.interactive-element:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Panel Scrolling Control - Allow panels to scroll but not individual sections */
.side-panel,
.settings-panel,
#newItemPanel {
  overflow-y: auto !important;
  max-height: 90vh !important;
}

/* Disable scrolling for individual sections within panels */
.side-panel section,
.side-panel div[style*="overflow"],
.side-panel .section,
.side-panel .panel-section,
.settings-panel section,
.settings-panel div[style*="overflow"],
.settings-panel .section,
.settings-panel .panel-section,
#newItemPanel section,
#newItemPanel div[style*="overflow"],
#newItemPanel .section,
#newItemPanel .panel-section,
.side-panel > div,
.settings-panel > div,
#newItemPanel > div {
  overflow: visible !important;
  overflow-y: visible !important;
  overflow-x: visible !important;
  max-height: none !important;
  height: auto !important;
}

/* Modern Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-gradient);
}

/* Pulse Animation for Active Elements */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(102, 126, 234, 0); }
  100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0); }
}

.pulse-active {
  animation: pulse 2s infinite;
}

/* Gradient Text Effect */
.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Modern Badge System */
.badge-modern {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--warning-gradient);
  color: white;
  box-shadow: 0 2px 8px rgba(67, 233, 123, 0.3);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: var(--dark-bg);
    --glass-border: var(--dark-border);
  }
  
  .card-title, .input-modern, .settings-box h3 {
    color: var(--dark-text);
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .side-panel {
    width: 100%;
    border-radius: 0;
  }
  
  .panel-modern {
    margin: 8px;
    padding: 16px;
  }
  
  .top-buttons {
    flex-direction: column;
    gap: 8px;
  }
}

/* Accessibility Enhancements */
.focus-visible {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}