/* ========================================
   SECTION: Block Editor
   ======================================== */
block-editor {
  display: block;
  position: relative;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-family: var(--font-family);
  --bg: var(--color-surface);
  --border: var(--color-border);
  --border-hover: var(--color-text-dim);
  --text: var(--color-text);
  --text-muted: var(--color-text-dim);
  --accent: var(--color-primary);
  --danger: var(--color-danger);
  --danger-hover: var(--color-danger-hover);
  --toolbar-bg: var(--color-bg);
  --block-bg: var(--color-surface);
  --error-bg: var(--color-danger-50);
  --error-border: var(--color-danger-300);
  --error-text: var(--color-danger);
  --btn-hover-bg: var(--color-surface-hover);
  --save-active-text: var(--color-text);
  --save-hover-bg: var(--color-primary-hover);
  --save-disabled-bg: var(--color-surface-hover);
  --save-disabled-text: var(--color-text-dim);
  --badge-bg: var(--color-primary-100);
  --badge-text: var(--color-primary);
  --sp-1: var(--space-1);
  --sp-2: var(--space-2);
  --sp-3: var(--space-3);
  --sp-4: var(--space-4);
  --sp-6: var(--space-5);
  --sp-8: var(--space-6);
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;
  --fs-xs: 0.6875rem;
  --fs-sm: 0.75rem;
  --fs-md: 0.8125rem;
  --fs-base: 0.875rem;
}

block-editor .editor-container {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  outline: none;
}

block-editor .editor-container:focus-visible {
  border-color: var(--accent);
}

block-editor .save-btn {
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--save-active-text);
  font-size: var(--fs-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

block-editor .save-btn:hover:not(:disabled) {
  background: var(--save-hover-bg);
}

block-editor .save-btn:disabled {
  background: var(--save-disabled-bg);
  border-color: var(--save-disabled-bg);
  color: var(--save-disabled-text);
  opacity: 0.4;
  cursor: not-allowed;
}

block-editor .block-list {
  padding: var(--sp-3);
  min-height: 4rem;
  position: relative;
}

block-editor .block-list:empty::after {
  content: "No blocks yet.";
  display: block;
  padding: var(--sp-8);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-base);
}

block-editor .block-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-3);
  margin-bottom: var(--sp-2);
  background: var(--block-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s;
  cursor: grab;
  user-select: none;
  flex-wrap: wrap;
  position: relative;
}

block-editor .block-item:hover {
  border-color: var(--border-hover);
}

block-editor .block-item.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

block-editor .block-item.dragging {
  opacity: 0.3;
}

block-editor .block-item.drop-inside {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), inset 0 0 0 1px var(--accent);
}

block-editor .block-label {
  flex: 1;
  font-size: var(--fs-base);
  color: var(--text);
}

block-editor .block-delete-btn {
  padding: var(--sp-1) var(--sp-2);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}

block-editor .block-delete-btn:hover {
  color: var(--danger);
  background: var(--error-bg);
}

block-editor .error-container {
  padding: var(--sp-6);
  margin: var(--sp-3);
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-lg);
}

block-editor .error-message {
  color: var(--error-text);
  font-size: var(--fs-base);
  font-weight: 500;
  margin-bottom: var(--sp-3);
}

block-editor .error-detail {
  color: var(--error-text);
  font-size: var(--fs-sm);
  opacity: 0.7;
  margin-bottom: var(--sp-3);
  white-space: pre-wrap;
  font-family: monospace;
}

block-editor .error-container button {
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--error-text);
  font-size: var(--fs-md);
  cursor: pointer;
}

block-editor .children-container {
  padding-inline-start: 0;
  padding-top: var(--sp-1);
}

block-editor .block-wrapper {
  margin-bottom: var(--sp-2);
}

block-editor .drag-overlay {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  opacity: 0.7;
  z-index: var(--z-login-overlay);
  will-change: transform;
}

block-editor .drop-indicator {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  pointer-events: none;
  z-index: var(--z-tree-indicator);
  border-radius: 1px;
}

block-editor .child-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 var(--sp-1);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  background: var(--badge-bg);
  color: var(--badge-text);
  flex-shrink: 0;
}

/* --- Collapse Controls --- */

block-editor .collapse-controls {
  display: flex;
  gap: var(--sp-1);
  margin-right: auto;
}

block-editor .collapse-btn {
  padding: var(--sp-1) var(--sp-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

block-editor .collapse-btn:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

/* --- Block Chevron --- */

block-editor .block-chevron {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  flex-shrink: 0;
  width: 1rem;
  text-align: center;
  line-height: 1;
  transition: color 0.15s;
}

block-editor .block-chevron:hover {
  color: var(--text);
}

/* --- Collapsed State --- */

block-editor .block-wrapper.collapsed > .children-container {
  display: none;
}

block-editor .block-wrapper.collapsed .block-content-preview {
  display: none;
}

/* --- Content Preview --- */

block-editor .block-content-preview {
  width: 100%;
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--border);
  order: 99;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

block-editor .preview-field {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  line-height: 1.4;
}

block-editor .preview-field-label {
  color: var(--text-muted);
  flex-shrink: 0;
  font-weight: 500;
}

block-editor .preview-field-value {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

block-editor .preview-field-empty {
  color: var(--text-muted);
  opacity: 0.5;
}

block-editor .preview-field-ref {
  color: var(--text-muted);
  font-style: italic;
}

/* --- Kebab Menu Button --- */

block-editor .block-kebab {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--fs-lg);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}

block-editor .block-kebab:hover {
  color: var(--text);
  background: var(--btn-hover-bg);
}

/* --- Context Menu --- */

.block-context-menu {
  z-index: 9999;
  min-width: 10rem;
  background: var(--color-surface, #1a1a2e);
  border: 1px solid var(--color-border, #333);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  padding: 4px 0;
  font-size: 0.8125rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.context-menu-heading {
  padding: 4px 12px;
  color: var(--color-text-dim, #888);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.context-menu-separator {
  height: 1px;
  background: var(--color-border, #333);
  margin: 4px 0;
}

.context-menu-item {
  display: block;
  width: 100%;
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--color-text, #eee);
  font-size: 0.8125rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s;
}

.context-menu-item:hover {
  background: var(--color-surface-hover, #2a2a3e);
}

.context-menu-item--destructive {
  color: var(--color-danger, #ef4444);
}

.context-menu-item--destructive:hover {
  background: var(--color-danger-50, #3b1a1a);
}

block-editor .editor-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--border);
  background: var(--toolbar-bg);
}

block-editor .insert-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8);
}

block-editor .insert-btn--empty {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px dashed var(--border);
  font-size: 1.5rem;
  opacity: 1;
}

block-editor .insert-btn--empty:hover {
  border-color: var(--accent);
  color: var(--accent);
}


/* --- Block Picker (telescope/fzf style) --- */

.block-picker-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-overlay, rgba(0, 0, 0, 0.5));
}

.block-picker {
  width: 360px;
  max-height: 400px;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.block-picker-results {
  flex: 1;
  min-height: 280px;
  max-height: 280px;
  overflow-y: auto;
  padding: var(--space-2) 0;
}

.block-picker-header {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  user-select: none;
}

.block-picker-item {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.1s;
}

.block-picker-item:hover {
  background: var(--color-surface-hover);
}

.block-picker-item--selected {
  background: var(--color-primary);
  color: var(--color-bg);
}

.block-picker-item--selected:hover {
  background: var(--color-primary);
}

.block-picker-input {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
  font-family: monospace;
  font-size: var(--font-size-base);
}

.block-picker-prompt {
  color: var(--color-text-dim);
  margin-right: var(--space-2);
  user-select: none;
}

.block-picker-query {
  color: var(--color-text);
}

/* --- Block Editor Adaptive Layout --- */

.content-editor-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-5);
  align-items: start;
}

.content-editor-tree {
  min-width: 0;
}

.content-editor-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.content-editor-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.content-editor-panel-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.panel-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  line-height: 1;
}

.panel-close-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.content-edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.content-edit-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.content-edit-nav h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
}

.content-edit-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.content-edit-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Split button (Publish + dropdown) */
.btn-split {
  display: flex;
  position: relative;
}

.btn-split .btn-split-main {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-split .btn-split-toggle {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
  font-size: 0.6rem;
}

.btn-split-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-1);
  min-width: 140px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 50;
}

.btn-split.open .btn-split-menu,
[data-split-button][data-state="open"] .btn-split-menu {
  display: block;
}

.btn-split-menu-item {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: none;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  text-align: left;
  cursor: pointer;
}

.btn-split-menu-item:hover {
  background: var(--color-surface-hover, rgba(255, 255, 255, 0.05));
}

@media (max-width: 768px) {
  .content-edit-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Version panel */
/* Version history dialog */
#version-history-dialog .dialog-confirm-btn {
  display: none;
}

.version-list {
  padding: var(--space-2) 0;
}

.version-list-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: var(--space-3);
}

.version-create-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.version-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.version-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  flex-wrap: wrap;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.version-item:hover {
  border-color: var(--color-primary);
}

.version-item.selected,
[data-version-item][data-selected] {
  border-color: var(--color-primary);
  background: var(--color-primary-100, rgba(99, 102, 241, 0.1));
}

.version-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.version-number {
  font-weight: 600;
  font-size: var(--font-size-base);
}

.version-hash {
  font-family: monospace;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.version-item-label {
  font-size: var(--font-size-base);
}

.version-item-meta {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.version-list-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}


/* Version diff */
.version-diff {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-top: var(--space-4);
}

.version-diff-header h3 {
  margin: 0 0 var(--space-4) 0;
}

.version-diff-table td {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.diff-changed {
  background-color: var(--warning-bg, #fef3c7);
}

/* Select input (status filter) */
.select-input {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--font-size-base);
  background: var(--bg);
  color: var(--text);
}

@media (max-width: 1024px) {
  .content-editor-layout {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   SECTION: Crash Recovery Banner
   ======================================== */
block-editor .recovery-banner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-2);
  background: var(--color-warning-50, #fef3c7);
  border: 1px solid var(--color-warning-300, #fcd34d);
  border-radius: var(--radius-md, 6px);
  font-size: 0.8125rem;
  color: var(--color-warning-800, #92400e);
}

block-editor .recovery-banner span {
  flex: 1;
}

block-editor .recovery-banner button {
  padding: var(--sp-1) var(--sp-2);
  border: none;
  border-radius: var(--radius-sm, 4px);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

block-editor .recovery-restore {
  background: var(--accent);
  color: var(--save-active-text);
}

block-editor .recovery-restore:hover {
  background: var(--save-hover-bg);
}

block-editor .recovery-dismiss {
  background: transparent;
  color: var(--color-warning-800, #92400e);
  text-decoration: underline;
}