/* Professional EasyNote App Styles - Sidebar Layout */

/* Base Styles */
:root {
  --primary-blue: #4f46e5;
  --primary-blue-dark: #3730a3;
  --success-green: #10b981;
  --warning-yellow: #f59e0b;
  --error-red: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

/* Sidebar Navigation Styles */
.nav-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  text-decoration: none;
  margin-bottom: 0.25rem;
}

.nav-item:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.nav-item.active {
  background-color: var(--primary-blue);
  color: white;
}

.nav-item.active:hover {
  background-color: var(--primary-blue-dark);
}

/* Content Section Styles */
.content-section {
  margin-bottom: 2rem;
}

.content-section.hidden {
  display: none;
}

/* Button Styles */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-300);
  background-color: white;
  color: var(--gray-700);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

/* Group/Project Items in Sidebar */
.group-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-600);
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.group-item:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.group-item.selected {
  background-color: rgba(79, 70, 229, 0.1);
  color: var(--primary-blue);
}

.group-actions {
  display: none;
  margin-left: auto;
}

.group-item:hover .group-actions {
  display: flex;
}

.group-action-btn {
  padding: 0.25rem;
  color: var(--gray-400);
  border-radius: 0.25rem;
  transition: all 0.2s ease;
  border: none;
  background: none;
  cursor: pointer;
}

.group-action-btn:hover {
  color: var(--gray-600);
  background-color: var(--gray-200);
}

/* Note Cards in Grid */
.note-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 1rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.note-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Text truncation utility */
.line-clamp-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .content-section {
    margin-bottom: 1rem;
  }
  
  .nav-item {
    padding: 0.875rem 1rem;
    font-size: 1rem;
  }
  
  .group-item {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  
  .note-card {
    margin-bottom: 1rem;
  }
}

.bg-mesh {
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(79, 70, 229, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}

.glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(30, 41, 59, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.shadow-glow {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Markdown Preview Styles */
.md-preview {
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  padding: 1.5rem;
  max-height: 400px;
  overflow-y: auto;
  font-size: 0.875rem;
}

.md-preview h1, .md-preview h2, .md-preview h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 600;
  color: var(--gray-900);
}

.md-preview h1 { 
  font-size: 1.5em; 
  border-bottom: 2px solid var(--gray-200); 
  padding-bottom: 0.3em; 
}

.md-preview h2 { 
  font-size: 1.3em; 
  border-bottom: 1px solid var(--gray-200); 
  padding-bottom: 0.2em; 
}

.md-preview h3 { font-size: 1.1em; }

.md-preview p {
  margin-bottom: 1em;
}

.md-preview ul, .md-preview ol {
  margin-bottom: 1em;
  padding-left: 1.5em;
}

.md-preview li {
  margin-bottom: 0.25em;
}

.md-preview ul li {
  list-style-type: disc;
}

.md-preview ol li {
  list-style-type: decimal;
}

.md-preview code {
  background: var(--gray-100);
  padding: 0.2em 0.4em;
  border-radius: 0.25rem;
  font-size: 0.875em;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  color: var(--gray-800);
}

.md-preview pre {
  background: var(--gray-800);
  color: var(--gray-100);
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1em;
}

.md-preview pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Kanban Board Styles */
.kb-col {
  background: var(--gray-50);
  border-radius: 0.75rem;
  padding: 1rem;
  min-height: 300px;
}

.kb-col h4 {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray-200);
  font-size: 0.875rem;
}

.kb-drop {
  min-height: 200px;
  border-radius: 0.5rem;
  border: 2px dashed transparent;
  transition: all 0.2s ease;
  padding: 0.5rem;
}

.kb-drop.drag-over {
  border-color: var(--primary-blue);
  background: rgba(79, 70, 229, 0.1);
  border-style: solid;
}

.kb-card {
  background: white;
  border-radius: 0.5rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--gray-200);
  cursor: grab;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.kb-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
  border-color: var(--gray-300);
}

.kb-card:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.kb-card .kb-title {
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
}

.kb-card .kb-edit, .kb-card .kb-del {
  opacity: 0;
  transition: opacity 0.2s ease;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}

.kb-card:hover .kb-edit, .kb-card:hover .kb-del {
  opacity: 0.7;
}

.kb-card .kb-edit:hover {
  background: var(--gray-100);
  opacity: 1;
}

.kb-card .kb-del:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-red);
  opacity: 1;
}

/* Utilities */
.hidden { display: none !important; }