/* ═══════════════════════════════════════════════
   Editor / Edit Mode Styles
   ═══════════════════════════════════════════════ */

/* ── Edit-only visibility ── */
.edit-only { display: none !important; }
body[data-edit-mode="true"] .edit-only { display: inline-flex !important; }
body[data-edit-mode="true"] .edit-only-block { display: block !important; }
.edit-only-block { display: none !important; }

/* ── Edit mode indicator bar ── */
body[data-edit-mode="true"]::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  z-index: 99999;
  pointer-events: none;
}

/* ── Edit toggle button (sidebar header) ── */
.sidebar-edit-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.sidebar-edit-btn:hover { background: var(--surface-hover); color: var(--text); }
.sidebar-edit-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
}

/* ── Sidebar "New Page" button ── */
.sidebar-new-page-btn {
  display: none !important;
  width: calc(100% - 16px);
  margin: 8px 8px;
  padding: 6px 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  text-align: center;
}
body[data-edit-mode="true"] .sidebar-new-page-btn { display: block !important; }
.sidebar-new-page-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Page view edit button ── */
.page-edit-btn {
  display: none !important;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  margin-left: 8px;
}
body[data-edit-mode="true"] .page-edit-btn { display: inline-flex !important; }
.page-edit-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ═══════════════════════════════════════════════
   Page Editor (split-pane)
   ═══════════════════════════════════════════════ */

.page-editor {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  z-index: 100;
}
/* Offset for pinned sidebar */
body.sidebar-open .page-editor {
  left: var(--sidebar-width);
}

.editor-toolbar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0;
  overflow-x: auto;
}

.ed-btn {
  height: 30px;
  padding: 0 10px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.ed-btn:hover { background: var(--surface-hover); color: var(--text-bright); }
.ed-btn[data-action="save"] { color: var(--accent); font-weight: 600; }
.ed-btn[data-action="save"]:hover { background: var(--accent-dim); }
.ed-btn[data-action="cancel"] { color: var(--text-dim); }

.ed-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}

.editor-status {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
  flex-shrink: 0;
}
.editor-status.saved { color: #3a9a5c; }
.editor-status.error { color: #d35549; }

.editor-split {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

.editor-source {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* CodeMirror fills the source pane */
.editor-source .CodeMirror {
  flex: 1;
  height: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  line-height: 1.7;
}

.editor-divider {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.15s;
}
.editor-divider:hover,
.editor-divider.dragging { background: var(--accent); }

.editor-preview {
  flex: 1;
  min-width: 200px;
  overflow-y: auto;
  padding: 24px 32px;
}

/* ── CodeMirror theme overrides for dark mode ── */
[data-theme="dark"] .CodeMirror {
  background: var(--bg);
  color: var(--text);
}
[data-theme="dark"] .CodeMirror-gutters {
  background: var(--surface);
  border-right: 1px solid var(--border);
}
[data-theme="dark"] .CodeMirror-linenumber { color: var(--text-dim); }
[data-theme="dark"] .CodeMirror-cursor { border-left-color: var(--text); }
[data-theme="dark"] .CodeMirror-selected { background: rgba(108, 92, 231, 0.2); }
[data-theme="dark"] .CodeMirror-focused .CodeMirror-selected { background: rgba(108, 92, 231, 0.3); }
[data-theme="dark"] .CodeMirror-activeline-background { background: rgba(255, 255, 255, 0.03); }
[data-theme="dark"] .cm-header { color: #74b9ff; }
[data-theme="dark"] .cm-strong { color: #dfe6e9; font-weight: 600; }
[data-theme="dark"] .cm-em { color: #b2bec3; }
[data-theme="dark"] .cm-link { color: var(--link); }
[data-theme="dark"] .cm-url { color: var(--text-dim); }
[data-theme="dark"] .cm-comment { color: #636e72; }
[data-theme="dark"] .cm-quote { color: #a29bfe; }
[data-theme="dark"] .cm-tag { color: #fd79a8; }
[data-theme="dark"] .cm-attribute { color: #fdcb6e; }

/* ── CodeMirror theme overrides for light mode ── */
[data-theme="light"] .CodeMirror {
  background: var(--bg);
  color: var(--text);
}
[data-theme="light"] .CodeMirror-gutters {
  background: var(--surface);
  border-right: 1px solid var(--border);
}
[data-theme="light"] .CodeMirror-linenumber { color: var(--text-dim); }
[data-theme="light"] .CodeMirror-cursor { border-left-color: var(--text); }
[data-theme="light"] .CodeMirror-selected { background: rgba(108, 92, 231, 0.15); }
[data-theme="light"] .CodeMirror-focused .CodeMirror-selected { background: rgba(108, 92, 231, 0.2); }
[data-theme="light"] .cm-header { color: #2d3436; font-weight: 600; }
[data-theme="light"] .cm-strong { color: #2d3436; font-weight: 600; }
[data-theme="light"] .cm-link { color: #0984e3; }
[data-theme="light"] .cm-url { color: #636e72; }
[data-theme="light"] .cm-comment { color: #b2bec3; }
[data-theme="light"] .cm-quote { color: #6c5ce7; }

/* ═══════════════════════════════════════════════
   Metadata Panel (overlay)
   ═══════════════════════════════════════════════ */

.meta-panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.meta-panel {
  width: 520px;
  max-height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  overflow-y: auto;
  padding: 24px;
}

.meta-panel h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 20px 0;
}

.meta-field {
  margin-bottom: 14px;
}
.meta-field label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.meta-field input,
.meta-field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.meta-field input:focus,
.meta-field textarea:focus { border-color: var(--accent); }
.meta-field textarea { resize: vertical; min-height: 60px; }
.meta-field .field-hint {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 2px;
  font-family: 'IBM Plex Mono', monospace;
}

.meta-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}
.meta-actions button {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.meta-actions .meta-cancel-btn {
  background: transparent;
  color: var(--text-dim);
}
.meta-actions .meta-cancel-btn:hover { background: var(--surface-hover); }
.meta-actions .meta-save-btn {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}
.meta-actions .meta-save-btn:hover { background: var(--accent); color: #fff; }

/* ═══════════════════════════════════════════════
   New Page Modal
   ═══════════════════════════════════════════════ */

.new-page-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.new-page-modal {
  width: 560px;
  max-height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  overflow-y: auto;
  padding: 24px;
}

.new-page-modal h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 20px 0;
}

.new-page-modal .meta-field { margin-bottom: 14px; }

.new-page-modal .slug-preview {
  font-size: 11px;
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  margin-top: 2px;
}

.new-page-modal .modal-options {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}
.new-page-modal .modal-options label {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: 'IBM Plex Mono', monospace;
}
.new-page-modal .modal-options input[type="checkbox"] {
  accent-color: var(--accent);
}

/* ═══════════════════════════════════════════════
   Canvas Edit Mode
   ═══════════════════════════════════════════════ */

/* Connection handles on cards (only in edit mode) */
.card-connection-handle {
  display: none;
  position: absolute;
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--surface);
  cursor: crosshair;
  z-index: 6;
  transition: transform 0.15s, box-shadow 0.15s;
}
body[data-edit-mode="true"] .card-connection-handle { display: block; }
.card-connection-handle:hover {
  transform: translateY(-50%) scale(1.3);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Connection lines in edit mode */
body[data-edit-mode="true"] #connections-layer line.connection-line {
  stroke-width: 2;
  stroke-opacity: 0.4;
  transition: stroke-opacity 0.15s, stroke 0.15s;
}

/* Connection hit area */
.connection-hit {
  stroke: transparent;
  stroke-width: 14;
  pointer-events: stroke;
  cursor: pointer;
}
.connection-hit:hover + .connection-line,
.connection-hit.hovered + .connection-line {
  stroke: #ff6b6b !important;
  stroke-opacity: 0.8 !important;
}

/* Connection delete button */
.connection-delete-btn {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ff6b6b;
  color: white;
  border: 2px solid var(--surface);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  pointer-events: auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.connection-delete-btn:hover {
  background: #e74c3c;
  transform: scale(1.1);
}

/* Temporary line while dragging to create connection */
.temp-connection-line {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 6 4;
  stroke-opacity: 0.7;
  pointer-events: none;
}

/* Canvas toolbar edit-mode buttons */
body[data-edit-mode="true"] .tb-btn.edit-only {
  display: inline-flex !important;
}
.tb-btn.edit-only { display: none !important; }

/* Card context menu */
.card-context-menu {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  padding: 4px 0;
  z-index: 10003;
  min-width: 160px;
}
.card-context-menu button {
  display: block;
  width: 100%;
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s;
}
.card-context-menu button:hover { background: var(--surface-hover); }
.card-context-menu button.danger { color: #ff6b6b; }
.card-context-menu button.danger:hover { background: rgba(255, 107, 107, 0.1); }

/* Confirm dialog */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10004;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.confirm-dialog {
  width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.confirm-dialog p {
  color: var(--text);
  font-size: 14px;
  margin: 0 0 20px 0;
  line-height: 1.5;
}
.confirm-dialog .confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.confirm-dialog button {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  cursor: pointer;
}
.confirm-dialog .confirm-cancel {
  background: transparent;
  color: var(--text-dim);
}
.confirm-dialog .confirm-ok {
  background: #ff6b6b;
  color: white;
  border-color: #ff6b6b;
  font-weight: 600;
}
.confirm-dialog .confirm-ok:hover { background: #e74c3c; }

/* ── Callout dropdown for editor toolbar ── */
.callout-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  padding: 4px 0;
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
  min-width: 180px;
}
.callout-dropdown button {
  display: block;
  width: 100%;
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}
.callout-dropdown button:hover { background: var(--surface-hover); }