/* ARKHIVE - Structure Browser Styles */
/* Matches site monochrome grid aesthetic */

:root {
  --bg: #0a0a0a;
  --surface: #111;
  --surface-alt: #1a1a1a;
  --border: #333;
  --text: #ccc;
  --text-dim: #666;
  --text-muted: #666;
  --accent: #888;
  --accent-hover: #aaa;
  --accent-dim: rgba(136, 136, 136, 0.2);
  --highlight: #4a6;
  --warning: #a64;
  
  /* UNI-MENU integration - uses same variable set by uni-menu.js */
  --uni-top-offset: calc(52px + var(--uni-banner-height, 0px));
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: monospace, 'Courier New', Courier;
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  line-height: 1.5;
  /* Let uni-menu handle body padding via .has-uni-menu class */
  /* Fallback if uni-menu not present */
  padding-top: var(--uni-top-offset, 52px);
}

/* Override when uni-menu is present (it handles its own padding) */
body.has-uni-menu {
  padding-top: 0;
}

/* View Mode Bar - Fixed below uni-menu */
.view-mode-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 16px;
  flex-wrap: nowrap;
  position: fixed;
  top: var(--uni-top-offset, 52px);
  left: 0;
  right: 0;
  z-index: 90;
  height: 44px;
  min-height: 44px;
}

.view-mode-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.view-mode-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.view-mode-bar .view-switch {
  display: flex;
  gap: 4px;
}

.view-mode-bar .view-btn {
  display: inline-block;
  width: auto;
  padding: 6px 14px;
  margin-bottom: 0;
  font-size: 11px;
  font-family: monospace;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.view-mode-bar .view-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.view-mode-bar .view-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.view-mode-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.view-mode-right .breadcrumbs {
  font-size: 11px;
  color: var(--text-dim);
}

/* Main App Layout - account for view-mode-bar height */
.arkhive-app {
  display: flex;
  position: fixed;
  top: calc(var(--uni-top-offset, 52px) + 44px);
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

/* Panel Base */
.arkhive-tree-panel,
.arkhive-content-panel,
.arkhive-actions-panel {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.arkhive-tree-panel {
  width: 180px;
  min-width: 180px;
  max-width: 180px;
  flex-shrink: 0;
  z-index: 1;
  position: relative;
}

.arkhive-content-panel {
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.arkhive-actions-panel {
  width: 260px;
  min-width: 200px;
  flex-shrink: 0;
  border-right: none;
}

/* Panel Header */
.panel-header {
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

/* View Switch Buttons */
.view-switch {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.view-switch .view-btn {
  display: inline-block;
  width: auto;
  padding: 4px 10px;
  margin-bottom: 0;
  font-size: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.view-switch .view-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.view-switch .view-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.panel-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
}

.panel-toggle {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 10px;
  padding: 4px 6px;
}

.panel-toggle:hover {
  color: var(--text);
  border-color: var(--border);
}

/* Tree Panel */
.tree-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px;
}

.tree-empty {
  color: var(--text-dim);
  text-align: center;
  padding: 20px;
  font-style: italic;
}

.tree-actions {
  padding: 8px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.tree-actions .btn {
  width: 100%;
}

/* Tree Node */
.tree-node {
  user-select: none;
}

.tree-node-row {
  display: flex;
  align-items: center;
  padding: 4px 6px;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 1px;
  gap: 4px;
}

.tree-node-row:hover {
  background: var(--surface-alt);
  border-color: var(--border);
}

.tree-node-row.selected {
  background: var(--surface-alt);
  border-color: var(--accent);
}

.tree-node-row.search-match {
  background: rgba(68, 170, 102, 0.15);
  border-color: var(--highlight);
}

.tree-toggle {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.tree-toggle.has-children {
  cursor: pointer;
}

.tree-toggle.has-children:hover {
  color: var(--text);
}

.tree-icon {
  width: 16px;
  text-align: center;
  color: var(--accent);
  flex-shrink: 0;
}

.tree-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
}

.tree-children {
  margin-left: 16px;
  display: none;
}

.tree-children.expanded {
  display: block !important;
}

/* Ensure nested tree children work */
.tree-node > .tree-children.expanded {
  display: block !important;
}

/* Content Panel */
.content-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.content-empty {
  color: var(--text-dim);
  text-align: center;
  padding: 40px 20px;
}

.content-empty p {
  margin-bottom: 8px;
}

.content-empty .muted {
  font-size: 11px;
}

/* Node Content Display */
.node-content {
  max-width: 800px;
}

.node-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.node-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.node-subtitle {
  font-size: 12px;
  color: var(--text-dim);
}

.node-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
  font-size: 10px;
  color: var(--text-dim);
}

.node-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.node-body {
  margin-bottom: 16px;
}

.node-body-content {
  line-height: 1.7;
  white-space: pre-wrap;
}

.node-body-content p {
  margin-bottom: 8px;
}

/* Tags */
.node-tags {
  margin-bottom: 16px;
}

.node-tags-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.node-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 3px 8px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  font-size: 10px;
  color: var(--accent);
}

.tag.clickable-tag {
  cursor: pointer;
}

.tag.clickable-tag:hover {
  border-color: var(--highlight);
  color: var(--highlight);
}

/* Links */
.node-links {
  margin-bottom: 16px;
}

.node-links-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.node-links-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  font-size: 11px;
}

.link-item:hover {
  border-color: var(--accent);
}

.link-type {
  font-size: 12px;
  color: var(--accent);
  min-width: 20px;
  text-align: center;
}

.link-target {
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.link-target:hover {
  color: var(--highlight);
  text-decoration: underline;
}

/* Actions Panel */
.arkhive-actions-panel {
  display: flex;
  flex-direction: column;
}

/* Global Search Row - Always visible at top */
.global-search-row {
  padding: 10px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.global-search-row .search-box {
  margin-bottom: 0;
}

.global-search-row .search-box input {
  font-size: 12px;
  padding: 10px 12px;
}

.global-search-row .search-results {
  max-height: 200px;
  overflow-y: auto;
  margin-top: 8px;
}

.actions-panel-header {
  flex-shrink: 0;
}

.actions-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.action-section {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.action-section:last-child {
  border-bottom: none;
}

.section-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* Collapsible Sections */
.action-section.collapsible .section-toggle {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  padding: 4px 0;
  margin-bottom: 0;
}

.action-section.collapsible .section-toggle:hover {
  color: var(--text);
}

.action-section.collapsible .toggle-icon {
  font-size: 8px;
  transition: transform 0.2s;
}

.action-section.collapsible .section-content {
  margin-top: 8px;
}

.action-section.collapsible.collapsed .section-content {
  display: none;
}

.action-section.collapsible.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.action-section.collapsible.collapsed .section-toggle {
  margin-bottom: 0;
}

/* File Selector */
.file-selector {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: monospace;
  font-size: 11px;
  margin-bottom: 8px;
  cursor: pointer;
}

.file-selector:focus {
  outline: none;
  border-color: var(--accent);
}

/* Buttons */
.btn {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  font-family: monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 6px;
}

.btn:last-child {
  margin-bottom: 0;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--accent);
}

.btn-sm {
  display: inline-block;
  width: auto;
  padding: 4px 10px;
  font-size: 10px;
  margin-bottom: 0;
}

/* Search Box */
.search-box {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.search-box input {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: monospace;
  font-size: 11px;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-box input::placeholder {
  color: var(--text-dim);
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 10px;
  font-size: 14px;
}

.btn-icon:hover {
  color: var(--text);
  border-color: var(--accent);
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: 8px;
}

.ai-action-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.ai-action-row .btn-ghost {
  white-space: nowrap;
}

.ai-settings {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 4px;
}

.ai-setting-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.ai-setting-field input[type="text"],
.ai-setting-field input[type="password"] {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
}

.ai-setting-field input[type="text"]:focus,
.ai-setting-field input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-setting-field input[type="range"] {
  width: 100%;
}

.ai-setting-field.inline {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.checkbox-row {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
}

.ai-status {
  font-size: 11px;
  padding: 6px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
}

.ai-status.status-error {
  color: #f88;
  border-color: #733;
  background: #311;
}

.ai-status.status-success {
  color: var(--highlight);
}

.ai-status.status-loading {
  color: var(--accent);
}

.ai-test-status {
  font-size: 11px;
  color: var(--text-dim);
}

.ai-patch-preview {
  border: 1px dashed var(--border);
  background: var(--surface);
  padding: 10px;
  border-radius: 4px;
  margin-top: 10px;
}

.patch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.patch-list {
  padding-left: 16px;
  margin: 0;
  font-size: 12px;
}

.patch-list li {
  margin-bottom: 4px;
}

.patch-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.patch-notes {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.ai-paste-fallback {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-paste-fallback textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  min-height: 80px;
  padding: 6px;
  font-family: monospace;
  font-size: 12px;
}

.ai-paste-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.error-text {
  color: #f88;
  font-size: 11px;
}

.ai-debug-shell {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
}

.ai-debug-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

.ai-debug-panel {
  max-height: 240px;
  overflow: auto;
  padding: 8px;
}

.ai-debug-panel.collapsed {
  display: none;
}

.ai-debug-content {
  font-size: 11px;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.debug-pre {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 6px;
  border-radius: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

.debug-row.error {
  color: #f88;
}

/* Search Results */
.search-results {
  font-size: 10px;
  color: var(--text-dim);
}

.search-results.has-results {
  color: var(--highlight);
}

/* Info Section */
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 11px;
}

.info-row span:first-child {
  color: var(--text-dim);
}

.info-row span:last-child {
  color: var(--text);
}

/* Panel Collapsed States */
.arkhive-tree-panel.collapsed {
  width: 40px;
  min-width: 40px;
}

.arkhive-tree-panel.collapsed .tree-container,
.arkhive-tree-panel.collapsed .panel-title {
  display: none;
}

.arkhive-actions-panel.collapsed {
  width: 40px;
  min-width: 40px;
}

.arkhive-actions-panel.collapsed .actions-container,
.arkhive-actions-panel.collapsed .panel-title {
  display: none;
}

/* Actions panel hidden state (from ACTIONS toggle button) */
.arkhive-actions-panel.hidden {
  display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* Responsive */
@media (max-width: 900px) {
  .arkhive-tree-panel {
    width: 220px;
    min-width: 180px;
  }
  
  .arkhive-actions-panel {
    width: 220px;
    min-width: 180px;
  }

  .ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .arkhive-content-panel.view-columns .columns-body {
    grid-template-columns: minmax(220px, 1fr) minmax(260px, 1fr);
  }
}

/* ==================== */
/* Mobile Layout        */
/* ==================== */

@media (max-width: 700px) {
  :root {
    /* Slightly larger base font on mobile */
    font-size: 13px;
  }
  
  .arkhive-app {
    flex-direction: column;
    position: relative;
  }
  
  /* Content panel takes full height on mobile */
  .arkhive-content-panel {
    flex: 1;
    min-width: 0;
    border-right: none;
    order: 2;
    height: 100%;
    min-height: 0;
  }
  
  /* Tree panel becomes collapsible drawer */
  .arkhive-tree-panel {
    width: 100%;
    max-height: 45vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
    order: 1;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
  }
  
  .arkhive-tree-panel.collapsed {
    max-height: 44px; /* Just header visible */
  }
  
  .arkhive-tree-panel.collapsed .tree-container,
  .arkhive-tree-panel.collapsed .search-container {
    display: none;
  }
  
  /* Actions panel becomes bottom drawer */
  .arkhive-actions-panel {
    width: 100%;
    max-height: 50vh;
    border-right: none;
    border-top: 1px solid var(--border);
    order: 3;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
  }
  
  .arkhive-actions-panel.collapsed {
    max-height: 44px; /* Just header visible */
  }
  
  .arkhive-actions-panel.collapsed .actions-content {
    display: none;
  }
  
  /* Make panel headers tappable toggles on mobile */
  .arkhive-tree-panel .panel-header,
  .arkhive-actions-panel .panel-header {
    cursor: pointer;
    user-select: none;
  }
  
  .arkhive-tree-panel .panel-header:active,
  .arkhive-actions-panel .panel-header:active {
    background: var(--surface-alt);
  }
  
  /* Toggle indicator for collapsible panels */
  .panel-collapse-indicator {
    display: inline-block;
    transition: transform 0.3s ease;
    margin-left: 8px;
    font-size: 10px;
    color: var(--text-dim);
  }
  
  .collapsed .panel-collapse-indicator {
    transform: rotate(-90deg);
  }
  
  /* Better tap targets for tree nodes on mobile */
  .tree-node-row {
    padding: 10px 12px;
    min-height: 44px;
    gap: 8px;
  }
  
  .tree-node-label {
    font-size: 14px;
  }
  
  .tree-toggle {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
  
  /* Larger buttons on mobile */
  .btn {
    padding: 10px 14px;
    min-height: 44px;
    font-size: 12px;
  }
  
  .btn-sm {
    padding: 8px 12px;
    min-height: 36px;
  }
  
  /* Search input larger on mobile */
  .search-input {
    padding: 10px 12px;
    font-size: 14px;
    min-height: 44px;
  }
  
  /* Context menu adjustments for mobile */
  .context-menu {
    min-width: 180px;
  }
  
  .context-menu-item {
    padding: 12px 16px;
    font-size: 14px;
  }

  .arkhive-content-panel.view-columns .columns-body {
    display: flex;
    flex-direction: column;
  }

  .columns-lane {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .columns-column {
    min-width: 70vw;
    max-width: 80vw;
  }
}

/* Extra small screens (phones in portrait) */
@media (max-width: 480px) {
  .arkhive-tree-panel {
    max-height: 40vh;
  }
  
  .arkhive-actions-panel {
    max-height: 45vh;
  }
  
  .panel-header {
    padding: 10px;
  }
  
  .panel-title {
    font-size: 10px;
  }
  
  /* Stack view buttons */
  .view-switcher {
    flex-wrap: wrap;
    gap: 4px;
  }
  
  .view-btn {
    padding: 6px 10px;
    font-size: 10px;
  }
  
  /* AI section compact on small screens */
  .ai-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  
  .ai-grid .btn {
    width: 100%;
  }
}

/* ==================== */
/* NEW: Breadcrumbs     */
/* ==================== */

.panel-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.arkhive-content-panel .panel-header {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 11px;
  color: var(--text-dim);
  min-height: 16px;
}

.breadcrumb {
  cursor: pointer;
  color: var(--text-dim);
  text-decoration: none;
}

.breadcrumb:hover {
  color: var(--text);
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--border);
}

.breadcrumb-current {
  color: var(--accent);
}

/* ==================== */
/* NEW: Edit Mode       */
/* ==================== */

.btn-sm {
  padding: 4px 8px;
  font-size: 10px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.btn-ghost:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-ghost.active {
  background: var(--highlight);
  color: #fff;
  border-color: var(--highlight);
}

.btn-danger {
  background: #522;
  border-color: #733;
  color: #faa;
}

.btn-danger:hover {
  background: #633;
}

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

/* Editor Panel */
.editor-panel {
  display: none !important;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 2px solid var(--highlight);
  max-height: 50%;
  overflow-y: auto;
  z-index: 10;
}

.editor-panel.visible {
  display: block !important;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}

.editor-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--highlight);
}

.editor-fields {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.editor-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.editor-field label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.editor-field input,
.editor-field textarea,
.editor-field select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px;
  font-family: inherit;
  font-size: 12px;
}

.editor-field input:focus,
.editor-field textarea:focus,
.editor-field select:focus {
  outline: none;
  border-color: var(--highlight);
}

.editor-field textarea {
  resize: vertical;
  min-height: 60px;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* Make content-panel position relative for editor */
.arkhive-content-panel {
  position: relative;
}

/* ==================== */
/* NEW: Import Section  */
/* ==================== */

.help-text {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ==================== */
/* NEW: Internal Links  */
/* ==================== */

.internal-link {
  color: var(--highlight);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}

.internal-link:hover {
  color: #6c8;
  text-decoration-style: solid;
}

/* ==================== */
/* Status Bar Enhanced  */
/* ==================== */

.status-bar {
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 11px;
  word-break: break-word;
}

.status-bar.status-loading {
  color: var(--accent);
}

.status-bar.status-error {
  color: #f66;
  background: #311;
  border-color: #533;
}

.status-bar.status-success {
  color: var(--highlight);
}

/* Modified indicator */
.modified-indicator {
  color: var(--warning);
  font-weight: bold;
  margin-left: 4px;
}

/* ==================== */
/* View Switch + Graph  */
/* ==================== */

.view-switch {
  display: flex;
  gap: 6px;
  padding-top: 4px;
  flex-wrap: wrap;
}

.view-switch .btn {
  width: auto;
  margin-bottom: 0;
}

.view-switch .btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.graph-panel {
  position: relative;
  flex: 1;
  min-height: 300px;
  background: var(--bg);
  display: none;
  overflow: hidden;
}

.arkhive-content-panel.view-tree .graph-panel {
  display: none;
}

.arkhive-content-panel.view-graph .graph-panel {
  display: block;
  min-height: 400px;
}

.arkhive-content-panel.view-graph .content-container {
  display: none;
}

.arkhive-content-panel.view-split .graph-panel {
  display: block;
  flex: 1;
  min-height: 250px;
}

.arkhive-content-panel.view-split .content-container {
  display: block;
  flex: 1;
  border-top: 1px solid var(--border);
}

.columns-view {
  display: none;
  flex: 1;
  background: var(--bg);
}

.arkhive-content-panel.view-columns .graph-panel,
.arkhive-content-panel.view-columns .content-container {
  display: none;
}

.arkhive-content-panel.view-columns .columns-view {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.columns-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.columns-toolbar-title {
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent);
}

.columns-toolbar-actions {
  display: flex;
  gap: 6px;
}

.columns-mode-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.columns-body {
  display: flex;
  flex-direction: row;
  gap: 0;
  flex: 1;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.columns-lane {
  display: flex;
  flex-direction: row;
  gap: 0;
  padding: 0;
  overflow-x: auto;
  overflow-y: hidden;
  border-right: 1px solid var(--border);
  flex: 0 0 auto;
  min-width: 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.columns-lane::-webkit-scrollbar {
  height: 8px;
}

.columns-column {
  flex: 0 0 220px;
  width: 220px;
  min-width: 220px;
  max-width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  scroll-snap-align: start;
  height: 100%;
}

.columns-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  background: var(--surface-alt);
  flex-shrink: 0;
}

.columns-list {
  padding: 6px;
  overflow-y: auto;
  flex: 1;
}

.columns-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text);
}

.columns-item:hover {
  background: var(--surface-alt);
}

.columns-item.selected {
  background: rgba(110, 180, 255, 0.12);
  border: 1px solid rgba(110, 180, 255, 0.4);
}

.columns-item-title {
  font-size: 12px;
  line-height: 1.2;
}

.columns-item-meta {
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.columns-content {
  flex: 0 0 300px;
  width: 300px;
  min-width: 280px;
  padding: 16px;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  background: var(--surface);
}

.columns-empty {
  color: var(--text-dim);
  font-style: italic;
  padding: 20px;
  text-align: center;
}

.arkhive-actions-panel.drawer {
  width: 100%;
  min-width: 0;
  border-right: none;
  border-left: none;
  border-top: 1px solid var(--border);
  flex: 0 0 auto;
}

.arkhive-actions-panel.drawer .actions-container {
  max-height: 40vh;
  overflow-y: auto;
}

.arkhive-actions-panel.drawer.collapsed .actions-container {
  display: none;
}

.columns-view[data-mode="grid"] .columns-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
}

.columns-view[data-mode="grid"] .columns-item {
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--border);
  background: var(--surface);
}

.graph-toolbar {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.graph-toolbar .btn-icon {
  background: var(--bg);
  border-color: var(--border);
  font-size: 11px;
  padding: 4px 6px;
}

.graph-toolbar .btn-icon:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* Links Editor - Enhanced */
.links-editor {
  margin-top: 0.5rem;
}

.links-empty {
  padding: 0.5rem;
  color: var(--text-muted);
  font-size: 11px;
  text-align: center;
  font-style: italic;
}

.link-edit-item {
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.link-edit-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.link-type-icon {
  width: 18px;
  text-align: center;
  color: var(--accent);
  flex-shrink: 0;
}

.link-label-display {
  flex: 1;
  color: var(--text);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.link-actions .btn-icon {
  width: 22px;
  height: 22px;
  padding: 0;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  border-radius: 3px;
  cursor: pointer;
}

.link-actions .btn-icon:hover {
  background: var(--surface-alt);
  border-color: var(--border);
  color: var(--text);
}

.link-actions .link-delete-btn:hover {
  background: #ff444420;
  border-color: #ff4444;
  color: #ff4444;
}

.link-actions .link-go-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.link-edit-form {
  padding-top: 0.5rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.link-edit-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.link-edit-row label {
  width: 50px;
  flex-shrink: 0;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.link-target-row {
  display: flex;
  gap: 0.5rem;
  flex: 1;
}

.link-edit-item input {
  flex: 1;
  min-width: 80px;
  padding: 0.35rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: inherit;
  font-size: 11px;
}

.link-edit-item input:focus {
  outline: none;
  border-color: var(--accent);
}

.link-edit-item input[readonly] {
  background: var(--bg);
  color: var(--text-muted);
}

.link-edit-item select {
  flex: 1;
  padding: 0.35rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: inherit;
  font-size: 11px;
}

.link-form-actions {
  justify-content: flex-end;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.link-edit-item .btn-sm {
  padding: 0.25rem 0.5rem;
  flex-shrink: 0;
}

.link-picker-btn {
  background: var(--surface-alt) !important;
  border: 1px solid var(--border) !important;
  color: var(--accent) !important;
}

.link-picker-btn:hover {
  background: var(--surface) !important;
  color: var(--text) !important;
}

/* Node Picker Modal */
.node-picker-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.node-picker-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.node-picker-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.node-picker-header h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: normal;
}

.node-picker-label-row {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.node-picker-label-row label {
  color: var(--text-dim);
  font-size: 0.85rem;
  white-space: nowrap;
}

.node-picker-label-row input {
  flex: 1;
  padding: 0.4rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.node-picker-label-row input:focus {
  outline: none;
  border-color: var(--highlight);
}

.node-picker-search {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.node-picker-search input {
  width: 100%;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
}

.node-picker-search input:focus {
  outline: none;
  border-color: var(--highlight);
}

.node-picker-tree {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  min-height: 200px;
  max-height: 400px;
}

.picker-node {
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 4px;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.1s;
}

.picker-node:hover {
  background: var(--surface-alt);
}

.picker-node.selected {
  background: rgba(74, 102, 68, 0.3);
  border: 1px solid var(--highlight);
}

.picker-node-icon {
  color: var(--text-dim);
  width: 16px;
  flex-shrink: 0;
}

.picker-node-title {
  color: var(--text);
  flex: 1;
}

.picker-node-id {
  color: var(--text-dim);
  font-size: 0.7rem;
  opacity: 0.6;
}

.picker-children {
  margin-left: 1rem;
  border-left: 1px solid var(--border);
  padding-left: 0.5rem;
}

.node-picker-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Internal link styling in content */
.internal-link {
  color: var(--highlight);
  cursor: pointer;
  text-decoration: none;
}

.internal-link:hover {
  text-decoration: underline;
}

/* ============================================
   Context Menu
   ============================================ */
.context-menu {
  position: fixed;
  z-index: 10000;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  min-width: 160px;
  padding: 4px 0;
}

.context-menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.1s;
}

.context-menu-item:hover {
  background: var(--surface-alt);
}

.context-menu-item.context-menu-danger {
  color: #c66;
}

.context-menu-item.context-menu-danger:hover {
  background: rgba(200, 100, 100, 0.2);
}

.context-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.context-menu-section {
  padding: 2px 0;
}

.context-menu-label {
  display: block;
  padding: 4px 12px 2px;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.context-menu-ai .context-menu-item {
  color: var(--highlight);
}

.context-menu-ai .context-menu-item:hover {
  background: rgba(68, 170, 102, 0.15);
}

/* ============================================
   Inline Editing in Content Pane
   ============================================ */
.content-title.editable,
.content-subtitle.editable,
.content-body.editable,
.content-tags.editable {
  cursor: text;
  border: 1px solid transparent;
  padding: 4px;
  margin: -4px;
  border-radius: 4px;
  transition: border-color 0.2s, background 0.2s;
}

.content-title.editable:hover,
.content-subtitle.editable:hover,
.content-body.editable:hover,
.content-tags.editable:hover {
  border-color: var(--border);
  background: var(--surface-alt);
}

.content-title.editable:focus,
.content-subtitle.editable:focus,
.content-body.editable:focus,
.content-tags.editable:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}

.content-title.editable {
  font-size: 1.5rem;
  font-weight: bold;
}

.content-subtitle.editable {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.content-body.editable {
  min-height: 100px;
  white-space: pre-wrap;
}

/* Inline links editor */
.content-links-editor {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.content-links-editor .link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.content-links-editor .link-label {
  flex: 1;
  color: var(--highlight);
  cursor: pointer;
}

.content-links-editor .link-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.content-links-editor .link-item:hover .link-actions {
  opacity: 1;
}

.content-links-editor .link-action-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
}

.content-links-editor .link-action-btn:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.content-links-editor .add-link-inline {
  margin-top: 8px;
  padding: 6px 12px;
  background: var(--surface-alt);
  border: 1px dashed var(--border);
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 4px;
  font-size: 11px;
}

.content-links-editor .add-link-inline:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════════
   CARDS VIEW
   ═══════════════════════════════════════════════════════════════════ */

.cards-view {
  padding: 1rem;
  height: 100%;
  overflow-y: auto;
}

.cards-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.cards-count {
  color: var(--text-dim);
  font-size: 11px;
}

.cards-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.bucket-filter {
  padding: 4px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 10px;
  cursor: pointer;
  border-radius: 3px;
  text-transform: uppercase;
}

.bucket-filter:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.bucket-filter.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.card-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.card-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.card-icon {
  font-size: 1.2rem;
}

.card-bucket {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--surface-alt);
  text-transform: uppercase;
}

.card-bucket.bucket-who { color: #ff6b6b; }
.card-bucket.bucket-what { color: #4ecdc4; }
.card-bucket.bucket-where { color: #45b7d1; }
.card-bucket.bucket-when { color: #f9ca24; }
.card-bucket.bucket-why { color: #a55eea; }
.card-bucket.bucket-how { color: #26de81; }
.card-bucket.bucket-tools { color: #fd9644; }
.card-bucket.bucket-syntax { color: #2bcbba; }
.card-bucket.bucket-dimmi { color: #eb3b5a; }

.card-title {
  font-size: 14px;
  font-weight: bold;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-preview {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
}

.card-date {
  color: var(--text-dim);
}

.card-tags {
  display: flex;
  gap: 4px;
}

.card-tag {
  background: var(--surface-alt);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════════
   TIMELINE VIEW
   ═══════════════════════════════════════════════════════════════════ */

.timeline-view {
  padding: 1rem;
  height: 100%;
  overflow-y: auto;
}

.timeline-header {
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.timeline-count {
  color: var(--text-dim);
  font-size: 11px;
}

.timeline-container {
  position: relative;
  padding-left: 2rem;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-month {
  margin-bottom: 1.5rem;
}

.timeline-month-label {
  font-size: 13px;
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 0.75rem;
  position: relative;
}

.timeline-month-label::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
}

.timeline-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.timeline-item:hover {
  border-color: var(--accent);
  background: var(--surface-alt);
}

.timeline-day {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-alt);
  border-radius: 4px;
  font-weight: bold;
  color: var(--text);
  flex-shrink: 0;
}

.timeline-content {
  flex: 1;
  min-width: 0;
}

.timeline-item-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-icon {
  font-size: 1rem;
}

.timeline-title {
  flex: 1;
  font-weight: bold;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.timeline-bucket {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--surface-alt);
  text-transform: uppercase;
}

.timeline-subtitle {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* View mode buttons */
.view-mode-btn {
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
}

.view-mode-btn:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.view-mode-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}