* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --success-color: #059669;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr 280px;
  height: 100vh;
  gap: 1px;
  background-color: var(--border-color);
}
.header {
  grid-column: 1 / -1;
  background-color: var(--bg-secondary);
  padding: 0 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.quick-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.sidebar {
  background-color: var(--bg-secondary);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.sidebar-header {
  padding: 1.5rem 1rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.sidebar-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.date-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.filter-btn {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s;
}
.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}
.toc-list {
  flex: 1;
  padding: 0.5rem;
}
.toc-group {
  margin-bottom: 1.5rem;
}
.toc-date {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background-color: var(--bg-tertiary);
  border-radius: 0.375rem;
}
.toc-entry {
  padding: 0.5rem;
  margin-bottom: 0.25rem;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}
.toc-entry:hover {
  background-color: var(--bg-tertiary);
}
.toc-entry.active {
  background-color: var(--primary-color);
  color: white;
  border-left-color: var(--secondary-color);
}
.toc-title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.toc-time {
  font-size: 0.75rem;
  opacity: 0.7;
}
.toc-preview {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.main-content {
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.editor-header {
  padding: 1.5rem 2rem 1rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}
.auto-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  background: none;
  border: none;
  width: 100%;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}
.auto-title:focus {
  outline: none;
  background-color: var(--bg-tertiary);
}
.entry-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.editor-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}
.content-textarea {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.7;
  resize: none;
  font-family: inherit;
}
.content-textarea:focus {
  outline: none;
}
.editor-toolbar {
  padding: 1rem 2rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.toolbar-group {
  display: flex;
  gap: 0.5rem;
}
.toolbar-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
}
.toolbar-btn:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}
.word-count {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.export-group {
  position: relative;
}
.export-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.arrow {
  font-size: 0.6rem;
  opacity: 0.7;
}
.export-menu {
  position: absolute;
  bottom: 100%;
  right: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  min-width: 180px;
  overflow: hidden;
  display: none;
}
.export-dropdown:hover .export-menu,
.export-btn:focus + .export-menu {
  display: block;
}
.export-option {
  width: 100%;
  text-align: left;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}
.export-option:hover {
  background-color: var(--bg-tertiary);
}

.index-panel {
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.index-header {
  padding: 1.5rem 1rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.search-box {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.search-box:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}
.index-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}
.index-tab {
  flex: 1;
  padding: 0.75rem;
  text-align: center;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.index-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}
.index-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}
.index-section {
  margin-bottom: 1.5rem;
}
.index-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.index-item {
  padding: 0.5rem;
  margin-bottom: 0.25rem;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
}
.index-item:hover {
  background-color: var(--bg-tertiary);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag-item {
  padding: 0.25rem 0.5rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 1rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}
.tag-item:hover {
  background-color: var(--secondary-color);
}
.frequency-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
}
.freq-high {
  background-color: var(--success-color);
}
.freq-medium {
  background-color: var(--warning-color);
}
.freq-low {
  background-color: var(--text-muted);
}
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary {
  background-color: var(--primary-color);
  color: white;
}
.btn-primary:hover {
  background-color: var(--secondary-color);
}
.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background-color: var(--border-color);
}
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.theme-toggle:hover {
  background-color: var(--bg-tertiary);
}
.suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 0.375rem 0.375rem;
  box-shadow: var(--shadow-lg);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
}
.suggestion-item {
  padding: 0.75rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s;
}
.suggestion-item:hover {
  background-color: var(--bg-tertiary);
}
.suggestion-item:last-child {
  border-bottom: none;
}
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .sidebar,
  .index-panel {
    display: none;
  }
  .sidebar.active,
  .index-panel.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
  }
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
}
.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}
.typing-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-color);
  animation: pulse 1.5s infinite;
  margin-left: 0.5rem;
}
@keyframes pulse {
  0%,
  50%,
  100% {
    opacity: 1;
  }
  25%,
  75% {
    opacity: 0.5;
  }
}
/* 
  ==================================================
  AUTO-LOGBOOK: BEACHYFREE ECOSYSTEM INTEGRATION
  ==================================================
  These styles support auto-generated entries from 
  Genesis (structures) and DTLP (directory trees).
  They’re subtle and match your existing design.
*/

/* Badge for auto-generated entries (e.g., "🤖 Auto") */
.entry-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 1rem;
  margin-left: 0.5rem;
  vertical-align: middle;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* 
  ==================================================
  END AUTO-LOGBOOK STYLES
  ==================================================
*/