:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252526;
  --bg-tertiary: #2d2d2d;
  --bg-hover: #3c3c3c;
  --border-color: #3c3c3c;
  --text-primary: #d4d4d4;
  --text-secondary: #858585;
  --accent-green: #0a7a0a;
  --accent-green-hover: #0d9d0d;
  --accent-blue: #0078d4;
  --accent-amber: #d97706;
  --accent-amber-bg: rgba(217, 119, 6, 0.15);
  --danger: #8a2a2a;
  --danger-hover: #a83232;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

#app {
  display: flex;
  height: 100vh;
}

#sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-path {
  padding: 10px 20px;
  font-size: 11px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-actions {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-primary, .btn-secondary, .btn-toolbar {
  padding: 10px 16px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--accent-green);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-green-hover);
}

.btn-secondary, .btn-toolbar {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-secondary:hover, .btn-toolbar:hover {
  background: #4a4a4a;
}

.btn-til {
  padding: 10px 16px;
  border: 1px solid var(--accent-amber);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  background: var(--accent-amber-bg);
  color: #fbbf24;
}

.btn-til:hover {
  background: rgba(217, 119, 6, 0.25);
}

.btn-large {
  padding: 14px 28px;
  font-size: 15px;
}

.sidebar-posts {
  flex: 1;
  overflow-y: auto;
  padding: 15px;
  border-top: 1px solid var(--border-color);
}

.sidebar-posts h3 {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.recent-section-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-top: 10px;
  margin-bottom: 6px;
  padding-left: 4px;
}

#recentPostsList {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.post-item {
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.post-item:hover {
  background: var(--bg-hover);
}

.post-item-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-item-date {
  font-size: 11px;
  color: var(--text-secondary);
}

.post-item.draft .post-item-title::before {
  content: "[DRAFT] ";
  color: var(--accent-blue);
  font-weight: 400;
}

.post-item.til .post-item-title::before {
  content: "💡 ";
}

.post-item.til {
  border-left: 3px solid var(--accent-amber);
}

#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#welcomePanel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-content {
  text-align: center;
}

.welcome-content h2 {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: 12px;
}

.welcome-content p {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

#editorPanel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#editorPanel.hidden {
  display: none;
}

#welcomePanel.hidden {
  display: none;
}

.editor-toolbar {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toolbar-left {
  display: flex;
  gap: 8px;
}

.toolbar-right {
  display: flex;
  align-items: center;
}

.layout-badge {
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.layout-badge.standard {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.layout-badge.til {
  background: var(--accent-amber-bg);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.editor-meta {
  padding: 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.meta-row {
  display: flex;
  margin-bottom: 15px;
  align-items: flex-start;
}

.meta-row:last-child {
  margin-bottom: 0;
}

.meta-row label {
  width: 80px;
  padding-top: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.meta-row input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.meta-row input[type="text"]:focus {
  border-color: var(--accent-blue);
}

#tagPicker {
  flex: 1;
}

.tag-input-container {
  display: flex;
  gap: 8px;
}

.tag-input-container input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

.tag-input-container input:focus {
  border-color: var(--accent-blue);
}

.btn-add-tag {
  padding: 8px 14px;
  background: var(--accent-green);
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-add-tag:hover {
  background: var(--accent-green-hover);
}

.tag-suggestions {
  position: absolute;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-top: 4px;
  max-height: 150px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.tag-suggestions:not(.hidden) {
  display: block;
}

.tag-suggestion-item {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
}

.tag-suggestion-item:hover {
  background: var(--bg-hover);
}

.selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  font-size: 13px;
}

.tag-chip button {
  background: var(--danger);
  border: none;
  color: white;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.tag-chip button:hover {
  background: var(--danger-hover);
}

.editor-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
  overflow: hidden;
}

.editor-content label {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

#contentEditor {
  flex: 1;
  padding: 15px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 14px;
  line-height: 1.6;
  resize: none;
  outline: none;
}

#contentEditor:focus {
  border-color: var(--accent-blue);
}

#modalOverlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#modalOverlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-secondary);
  border-radius: 8px;
  min-width: 500px;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.btn-close:hover {
  color: var(--text-primary);
}

.modal-content {
  padding: 20px;
  overflow-y: auto;
}

.modal-content .meta-row {
  margin-bottom: 12px;
}

.modal-content .meta-row label {
  width: 120px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.search-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  margin-bottom: 15px;
}

.search-input:focus {
  border-color: var(--accent-blue);
}

.posts-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.posts-list-item {
  padding: 12px 15px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.15s ease;
}

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

.posts-list-item:hover {
  background: var(--bg-hover);
}

.posts-list-item.selected {
  background: var(--bg-hover);
}

.posts-list-item-title {
  font-size: 14px;
  margin-bottom: 4px;
}

.posts-list-item-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.hidden {
  display: none !important;
}