:root {
  --bg: #fcfcfc;
  --dot-color: #d1d4d8;
  --card-bg: #ffffff;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --card-shadow-hover: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --card-shadow-drag: 0 16px 48px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.08);
  --accent: #ff4d8d;
  --accent-light: #ffe0ec;
  --accent-hover: #e8437d;
  --text: #1a1a1a;
  --text-secondary: #888;
  --text-light: #bbb;
  --border: #e8e6e3;
  --radius: 14px;
  --radius-sm: 10px;
  --toolbar-bg: rgba(255,255,255,0.92);
  --toolbar-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  user-select: none;
  -webkit-user-select: none;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
#app-loading {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.loading-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
#toast {
  position: fixed;
  bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: white;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 3000;
  white-space: nowrap;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   CANVAS
   ============================================ */
#canvas-viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
  cursor: grab;
}
#canvas-viewport.grabbing { cursor: grabbing; }
#canvas-viewport.placing-note { cursor: crosshair; }
#canvas-viewport.placing-section { cursor: crosshair; }
#canvas-viewport.pan-mode .card { pointer-events: none; }
#canvas-viewport.pan-mode .card.media-card[data-animation] { pointer-events: auto; cursor: grab; }
#canvas-viewport.pan-mode .card.media-card[data-animation] .card-drag-handle,
#canvas-viewport.pan-mode .card.media-card[data-animation] .card-delete,
#canvas-viewport.pan-mode .card.media-card[data-animation] .card-resize,
#canvas-viewport.pan-mode .card.media-card[data-animation] .card-rotate-handle,
#canvas-viewport.pan-mode .card.media-card[data-animation] .card-rotate-line { pointer-events: none; }
#canvas-viewport.pan-mode .card.media-card[data-animation]:hover {
  border-color: transparent;
}
#canvas-viewport.pan-mode .card.media-card[data-animation]:hover .card-resize,
#canvas-viewport.pan-mode .card.media-card[data-animation]:hover .card-delete,
#canvas-viewport.pan-mode .card.media-card[data-animation]:hover .card-rotate-line,
#canvas-viewport.pan-mode .card.media-card[data-animation]:hover .card-rotate-handle {
  opacity: 0;
}
#canvas-viewport.pan-mode .card.text-card[data-animation] { pointer-events: auto; cursor: grab; }
#canvas-viewport.pan-mode .card.text-card[data-animation] .card-drag-handle,
#canvas-viewport.pan-mode .card.text-card[data-animation] .card-delete,
#canvas-viewport.pan-mode .card.text-card[data-animation] .card-resize-h,
#canvas-viewport.pan-mode .card.text-card[data-animation] .text-content { pointer-events: none; }
#canvas-viewport.pan-mode .card.text-card[data-animation]:hover {
  border-color: transparent;
}
#canvas-viewport.pan-mode .card.text-card[data-animation]:hover .card-resize-h,
#canvas-viewport.pan-mode .card.text-card[data-animation]:hover .card-delete,
#canvas-viewport.pan-mode .card.text-card[data-animation]:hover .card-drag-handle {
  opacity: 0;
}

#canvas-world {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
}

/* Dotted background (static fallback, overridden by JS) */
#canvas-viewport::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 200%; height: 200%;
  background-image: radial-gradient(circle, var(--dot-color) 1.2px, transparent 1.2px);
  background-size: 47.6px 47.6px;
  transform-origin: 0 0;
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   TOP BAR
   ============================================ */
#topbar {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top, 0px));
  left: calc(333px + (100vw - 333px) / 2);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 14px;
  padding: 6px 8px;
  box-shadow: var(--toolbar-shadow);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
  max-width: calc(100vw - 333px - 32px);
}

.topbar-logo {
  width: 20px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  cursor: grab;
}

.topbar-divider {
  width: 1px; height: 24px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}

.topbar-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border: none; background: transparent;
  border-radius: 9px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.topbar-btn:hover { background: #f0eeeb; }
.topbar-btn.active { background: var(--accent-light); color: var(--accent); }
.topbar-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.topbar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 6px;
  padding: 5px 10px;
  transition: background 0.15s;
}
.topbar-title:hover { background: #f0eeeb; }

/* ============================================
   USER MENU (top-right)
   ============================================ */
#user-menu {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top, 0px));
  right: calc(16px + env(safe-area-inset-right, 0px));
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 11px;
  padding: 6px 8px 6px 14px;
  box-shadow: var(--toolbar-shadow);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
}

#user-display-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-admin-btn, .user-logout-btn {
  width: 32px; height: 32px;
  border: none; background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
  text-decoration: none;
}
.user-admin-btn:hover, .user-logout-btn:hover { background: var(--accent-light); color: var(--accent); }

/* ============================================
   APP LAYOUT (sidebar + main content)
   ============================================ */
#app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
}

/* ============================================
   CANVAS PANEL (permanent sidebar)
   ============================================ */
#canvas-menu-btn {
  display: none;
}

#canvas-panel {
  width: 333px;
  flex-shrink: 0;
  height: 100vh;
  padding-top: env(safe-area-inset-top, 0px);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  z-index: 10;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
}

.panel-header h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.panel-close {
  display: none;
}

.panel-actions {
  padding: 0 16px 12px;
}

.panel-add-btn {
  width: 100%;
  padding: 10px;
  border: 2px dashed var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.panel-add-btn:hover {
  border-color: #000000;
  color: #000000;
  background: #f0f0f0;
}

.canvas-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 12px 20px;
}

.panel-footer {
  flex-shrink: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.panel-user {
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel-user-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-user-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.panel-action-btn {
  width: 32px; height: 32px;
  border: none; background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
  text-decoration: none;
}
.panel-action-btn:hover { background: #f0f0f0; color: #000000; }

.canvas-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.12s;
  margin-bottom: 2px;
}
.canvas-list-item:hover { background: #f0eeeb; }
.canvas-list-item.active { background: #f0f0f0; }

.canvas-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  flex-shrink: 0;
  cursor: grab;
  color: transparent;
  transition: color 0.15s;
  margin-left: -4px;
  margin-right: -4px;
}
.canvas-drag-handle:active { cursor: grabbing; }
.canvas-list-item:hover .canvas-drag-handle { color: #c0bdb8; }
.canvas-list-item.active .canvas-drag-handle { color: #000000; opacity: 0.3; }
.canvas-list-item:hover.active .canvas-drag-handle { opacity: 0.7; }
.canvas-list-item.sortable-ghost {
  opacity: 0.4;
  background: #f0f0f0;
}
.canvas-list-item.sortable-chosen .canvas-drag-handle {
  color: #000000;
  cursor: grabbing;
}

.canvas-list-item .canvas-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.canvas-list-item.active .canvas-icon {
  background: #000000;
  border-color: #000000;
}
.canvas-list-item .canvas-icon svg { width: 16px; height: 16px; color: var(--text-secondary); }
.canvas-list-item.active .canvas-icon svg { color: white; }

.canvas-list-item .canvas-info { flex: 1; min-width: 0; }
.canvas-list-item .canvas-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.canvas-list-item.active .canvas-name { color: #000000; font-weight: 600; }

.canvas-list-item .canvas-meta {
  font-size: 11.5px;
  color: var(--text-light);
  margin-top: 1px;
}

/* Canvas section labels */
.canvas-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 12px 6px;
}
.canvas-section-empty {
  font-size: 12.5px;
  color: var(--text-light);
  padding: 8px 12px;
}

/* Draggable header items in sidebar */
.canvas-header-item {
  cursor: default;
  padding: 5px 12px 0px;
  margin-top: 10px;
}
.canvas-header-item:first-child {
  margin-top: 0;
}
.canvas-header-item:hover {
  background: transparent;
}
.canvas-header-name {
  flex: 1;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Canvas item actions */
.canvas-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.canvas-share-btn {
  width: 26px; height: 26px;
  border: none; background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.12s, background 0.12s;
  flex-shrink: 0;
}
.canvas-list-item:hover .canvas-share-btn { opacity: 1; }
.canvas-share-btn:hover { background: #f0f0f0; }
.canvas-share-btn svg { width: 14px; height: 14px; color: #666666; }
.canvas-share-btn.shared { opacity: 1; }
.canvas-share-btn.shared:hover { background: #f0f0f0; }

.canvas-list-item .canvas-delete {
  width: 26px; height: 26px;
  border: none; background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.12s, background 0.12s;
  flex-shrink: 0;
}
.canvas-list-item:hover .canvas-delete { opacity: 1; }
.canvas-list-item .canvas-delete:hover { background: #f0f0f0; }
.canvas-list-item .canvas-delete svg { width: 14px; height: 14px; color: #666666; }

/* ============================================
   BOTTOM TOOLBAR
   ============================================ */
#toolbar {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 14px;
  padding: 6px 8px;
  box-shadow: var(--toolbar-shadow);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
}

.tool-btn {
  width: 38px; height: 38px;
  border: none;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
  color: var(--text-secondary);
  position: relative;
}
.tool-btn:hover { background: #f0eeeb; color: var(--text); }
.tool-btn.active { background: var(--accent-light); color: var(--accent); }
.tool-btn svg { width: 18px; height: 18px; }

.tool-btn .tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 10px;
  background: var(--text);
  color: white;
  font-size: 11.5px;
  font-weight: 500;
  border-radius: 7px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
  margin-bottom: 8px;
}
.tool-btn:hover .tooltip { opacity: 1; }

.toolbar-divider {
  width: 1px; height: 24px;
  background: var(--border);
  margin: 0 2px;
}

/* ============================================
   ZOOM CONTROLS
   ============================================ */
#zoom-controls {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  right: calc(20px + env(safe-area-inset-right, 0px));
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  border-radius: 11px;
  padding: 4px 6px;
  box-shadow: var(--toolbar-shadow);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
}

.zoom-btn {
  width: 32px; height: 32px;
  border: none; background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.12s;
}
.zoom-btn:hover { background: #f0eeeb; color: var(--text); }

#zoom-level {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 38px;
  text-align: center;
}

/* ============================================
   CARDS (shared)
   ============================================ */
.card {
  position: absolute;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  min-width: 180px;
  min-height: 80px;
  border: 1.5px solid transparent;
  transition: box-shadow 0.2s, border-color 0.2s;
  z-index: 1;
}
.card:hover {
  box-shadow: var(--card-shadow-hover);
}
.card.selected {
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover), 0 0 0 3px rgba(255,77,141,0.18);
  z-index: 10;
}
.card.dragging {
  box-shadow: var(--card-shadow-drag);
  z-index: 100;
  opacity: 0.95;
}

/* Note card */
.card.note-card {
  width: 280px;
  height: 160px;
  display: flex;
  flex-direction: column;
}

.card-drag-handle {
  height: 12px;
  cursor: grab;
  border-radius: var(--radius) var(--radius) 0 0;
  flex-shrink: 0;
}
.card-drag-handle:active { cursor: grabbing; }

.card-textarea {
  flex: 1;
  width: 100%;
  padding: 4px 18px 6px;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  resize: none;
  outline: none;
  overflow-y: auto;
}
.card-textarea::placeholder { color: var(--text-light); }

.card-tags-bar {
  padding: 5px 14px 2px;
  flex-shrink: 0;
}
.card-tags {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 0 14px 10px;
  flex-shrink: 0;
}
.card-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.card-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  font-size: 10px;
  font-weight: 400;
  border-radius: 20px;
  border: 1px solid;
  white-space: nowrap;
  line-height: 1.2;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  cursor: default;
  position: relative;
}
.card-tag .card-tag-remove {
  margin-left: 3px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  font-size: 12px;
  line-height: 1;
  color: inherit;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0,0,0,0.1);
}
.card-tag:hover .card-tag-remove { opacity: 1; }
.card-tag-remove:hover { background: rgba(0,0,0,0.2); color: #dc2626; }
.card-add-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 500;
  color: #9ca3af;
  border: 1px dashed #d1d5db;
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: 'DM Sans', sans-serif;
}
.card:hover .card-add-tag,
.kanban-card:hover .card-add-tag { opacity: 1; }
.card-add-tag:hover {
  color: #4b5563;
  border-color: #9ca3af;
  background: rgba(156,163,175,0.05);
}

/* Tag Popup */
.tag-popup {
  position: fixed;
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  padding: 12px;
  z-index: 2000;
  min-width: 240px;
  max-width: 340px;
  display: none;
  animation: tagPopupIn 0.15s ease;
  font-family: 'DM Sans', sans-serif;
}
.tag-popup.active { display: block; }
@keyframes tagPopupIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.tag-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  font-size: 13px;
  font-weight: bold;
  line-height: 1;
  transition: background 0.15s;
}
.tag-popup-close:hover { background: #e5e7eb; color: #374151; }
.tag-popup-title {
  font-size: 11px;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 6px;
  padding: 0 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tag-popup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
  min-height: 26px;
  align-items: flex-start;
}
.tag-popup-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 22px 2px 8px;
  font-size: 11px;
  font-weight: 300;
  border-radius: 9px;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  position: relative;
  font-family: 'DM Sans', sans-serif;
}
.tag-popup-tag:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.tag-popup-tag-delete {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #6b7280;
  font-size: 11px;
  font-weight: bold;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  line-height: 1;
  padding: 0;
}
.tag-popup-tag:hover .tag-popup-tag-delete { opacity: 1; }
.tag-popup-tag-delete:hover { color: #374151; }
.tag-popup-divider {
  height: 1px;
  background: #e5e5e5;
  margin: 10px 0;
}
.tag-popup-input-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.tag-popup-input {
  flex: 1;
  padding: 6px 10px;
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  border: 1px solid #d1d5db;
  border-radius: 7px;
  outline: none;
  transition: border-color 0.15s;
}
.tag-popup-input:focus { border-color: #0366d6; }
.tag-popup-add-btn {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  background: white;
  color: #24292e;
  border: 1px solid #d1d5da;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  height: 28px;
  line-height: 1;
}
.tag-popup-add-btn:hover { background: #f6f8fa; }

/* Version Popup */
.version-popup {
  position: fixed;
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  padding: 12px;
  z-index: 2000;
  min-width: 260px;
  max-width: 340px;
  display: none;
  animation: tagPopupIn 0.15s ease;
  font-family: 'DM Sans', sans-serif;
}
.version-popup.active { display: block; }
.version-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  font-size: 13px;
  font-weight: bold;
  line-height: 1;
  transition: background 0.15s;
}
.version-popup-close:hover { background: #e5e7eb; color: #374151; }
.version-popup-title {
  font-size: 11px;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 8px;
  padding: 0 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.version-popup-save {
  width: 100%;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  background: white;
  color: #24292e;
  border: 1px solid #d1d5da;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1;
  height: 26px;
}
.version-popup-save:hover { background: #f6f8fa; }
.version-popup-save:disabled { opacity: 0.5; cursor: default; }
.version-popup-divider {
  height: 1px;
  background: #e5e5e5;
  margin: 8px 0;
}
.version-popup-list {
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.version-popup-loading,
.version-popup-empty {
  font-size: 11px;
  color: #9ca3af;
  font-style: italic;
  padding: 8px 2px;
}
.version-popup-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: 6px;
  transition: background 0.12s;
  cursor: default;
}
.version-popup-row:hover {
  background: #f3f4f6;
}
.version-popup-row-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.version-popup-time {
  font-size: 10px;
  font-weight: 600;
  color: #6b7280;
  white-space: nowrap;
}
.version-popup-preview {
  font-size: 11px;
  color: #9ca3af;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.version-popup-restore {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  padding: 0;
  flex-shrink: 0;
  transition: all 0.15s;
  opacity: 0;
}
.version-popup-row:hover .version-popup-restore { opacity: 1; }
.version-popup-restore:hover { color: #2563eb; background: rgba(37,99,235,0.08); }
.version-popup-pin {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  padding: 0;
  flex-shrink: 0;
  transition: all 0.15s;
  opacity: 0;
}
.version-popup-row:hover .version-popup-pin { opacity: 1; }
.version-popup-pin.pinned { opacity: 1; color: var(--accent); }
.version-popup-pin:hover { color: var(--accent); background: var(--accent-light); }
.version-popup-pin svg { width: 12px; height: 12px; }
.version-pin-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0 4px;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 2px;
  line-height: 1.4;
}
.version-popup-restore svg { width: 13px; height: 13px; }

/* Diff preview in card */
.card-diff-preview {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
  word-wrap: break-word;
  white-space: pre-wrap;
  display: flex;
  flex-direction: column;
}
.diff-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: #f8f9fa;
  border-bottom: 1px solid #e5e5e5;
  flex-shrink: 0;
}
.diff-toolbar-info {
  flex: 1;
  font-size: 10px;
  font-weight: 500;
  color: #6b7280;
}
.diff-toolbar-hint {
  font-weight: 400;
  font-style: italic;
  color: #9ca3af;
}
.diff-apply-btn,
.diff-cancel-btn {
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid #d1d5da;
  line-height: 1.3;
  transition: all 0.15s;
}
.diff-apply-btn {
  background: #000000;
  color: white;
  border-color: #000000;
}
.diff-apply-btn:hover { background: #333333; }
.diff-cancel-btn {
  background: white;
  color: #374151;
}
.diff-cancel-btn:hover { background: #f3f4f6; }
.diff-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
}
.diff-hunk {
  cursor: pointer;
  border-radius: 2px;
  transition: outline 0.12s;
}
.diff-hunk:hover {
  outline: 1.5px solid #93c5fd;
  outline-offset: 1px;
}
.diff-add {
  background: #dcfce7;
  color: #166534;
  text-decoration: none;
  border-radius: 2px;
  padding: 0 1px;
}
.diff-del {
  background: #fee2e2;
  color: #991b1b;
  text-decoration: line-through;
  border-radius: 2px;
  padding: 0 1px;
}
.diff-add.diff-active {
  background: #dcfce7;
  color: #166534;
  text-decoration: none;
  opacity: 1;
}
.diff-del.diff-active {
  background: #fee2e2;
  color: #991b1b;
  text-decoration: none;
  opacity: 1;
}
.diff-add:not(.diff-active) {
  opacity: 0.35;
  text-decoration: line-through;
}
.diff-del:not(.diff-active) {
  opacity: 0.35;
}

.card-counter {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}

.card-copy-btn {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.card:hover .card-copy-btn,
.kanban-card:hover .card-copy-btn { opacity: 1; }
.card-copy-btn:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-copy-btn svg { width: 13px; height: 13px; }
.card-copy-btn.copied { color: #4caf50; opacity: 1; }

.card-md-toggle {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.card:hover .card-md-toggle,
.kanban-card:hover .card-md-toggle { opacity: 1; }
.card-md-toggle:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-md-toggle.active { color: var(--accent); opacity: 1; }

.card-version-btn {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.card:hover .card-version-btn,
.kanban-card:hover .card-version-btn { opacity: 1; }
.card-version-btn:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-version-btn svg { width: 13px; height: 13px; }

.card-img-upload {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.card:hover .card-img-upload,
.kanban-card:hover .card-img-upload { opacity: 1; }
.card-img-upload:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-img-upload svg { width: 13px; height: 13px; }
.card-img-upload.uploading { color: var(--accent); opacity: 1; }

.card-file-upload {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.card:hover .card-file-upload,
.kanban-card:hover .card-file-upload { opacity: 1; }
.card-file-upload:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-file-upload svg { width: 13px; height: 13px; }
.card-file-upload.uploading { color: var(--accent); opacity: 1; }

.card-link-embed {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  padding: 0;
  margin-left: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.card:hover .card-link-embed,
.kanban-card:hover .card-link-embed { opacity: 1; }
.card-link-embed:hover { color: var(--text-secondary); background: rgba(0,0,0,0.04); }
.card-link-embed svg { width: 13px; height: 13px; }

.card-md-preview {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
  word-wrap: break-word;
}
.card-md-preview h1 { font-size: 16px; font-weight: 700; margin: 0.4em 0 0.2em; }
.card-md-preview h2 { font-size: 14px; font-weight: 700; margin: 0.4em 0 0.2em; }
.card-md-preview h3,
.card-md-preview h4,
.card-md-preview h5,
.card-md-preview h6 { font-size: inherit; font-weight: 700; margin: 0.4em 0 0.2em; }
.card-md-preview p { margin: 0 0 1.1em; }
.card-md-preview p:last-child { margin-bottom: 0; }
.card-md-preview ul, .card-md-preview ol { padding-left: 1.5em; margin: 0.3em 0; line-height: 1.1em; }
.card-md-preview li { margin: 0.15em 0; }
.card-md-preview code {
  background: rgba(0,0,0,0.06);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.9em;
}
.card-md-preview pre { margin: 0.4em 0; }
.card-md-preview pre code {
  display: block;
  padding: 8px;
  overflow-x: auto;
  background: rgba(0,0,0,0.04);
  border-radius: 4px;
}
.card-md-preview blockquote {
  border-left: 3px solid var(--text-light);
  margin: 0.4em 0;
  padding-left: 10px;
  color: var(--text-secondary, #666);
}
.card-md-preview a { color: var(--accent); text-decoration: none; }
.card-md-preview a:hover { text-decoration: underline; }
.card-md-preview hr { border: none; border-top: 1px solid rgba(0,0,0,0.1); margin: 0.6em 0; }
.card-md-preview img { max-width: 100%; height: auto; border-radius: 4px; margin: 0.3em 0; }
.card-md-preview .embed-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin: 0.4em 0;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
}
.card-md-preview .embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.card-md-preview table { border-collapse: collapse; width: 100%; font-size: 12px; margin: 0.4em 0; }
.card-md-preview th,
.card-md-preview td { border: 1px solid rgba(0,0,0,0.1); padding: 4px 8px; text-align: left; }
.card-md-preview th { font-weight: 600; background: rgba(0,0,0,0.03); }

.md-file-attachment {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
  line-height: 1;
  margin: 3px 0;
  transition: background 0.15s, border-color 0.15s;
}
.md-file-attachment:hover {
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.15);
  text-decoration: none;
}
.md-file-attachment svg {
  flex-shrink: 0;
  opacity: 0.5;
}
.md-file-name {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.md-file-ext {
  font-size: 9px;
  font-weight: 700;
  background: var(--accent-light, rgba(0,0,0,0.06));
  color: var(--accent);
  padding: 2px 5px;
  border-radius: 3px;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

/* Image card */
.card.image-card {
  overflow: visible;
  padding: 0;
  min-width: 120px;
  min-height: 90px;
}

.card.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  border-radius: var(--radius);
}

.card.image-card .card-drag-handle {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 28px;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(0,0,0,0.08), transparent);
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card.image-card:hover .card-drag-handle { opacity: 1; }

/* Resize handle */
.card-resize {
  position: absolute;
  bottom: 0; right: 0;
  width: 20px; height: 20px;
  cursor: nwse-resize;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.15s;
}
.card:hover .card-resize { opacity: 1; }
.card-resize::after {
  content: '';
  position: absolute;
  bottom: 5px; right: 5px;
  width: 8px; height: 8px;
  border-right: 2px solid var(--text-light);
  border-bottom: 2px solid var(--text-light);
  border-radius: 0 0 2px 0;
}

/* Card delete */
.card-delete {
  position: absolute;
  top: -10px; right: -10px;
  width: 24px; height: 24px;
  border: none;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(255,77,141,0.3);
}
.card:hover .card-delete,
.card.selected .card-delete { opacity: 1; }
.card-delete:hover { transform: scale(1.15); background: var(--accent-hover); }

/* ============================================
   CANVAS SECTIONS (visual grouping frames)
   ============================================ */
.canvas-section {
  position: absolute;
  border-radius: 15px;
  border: 1.5px solid transparent;
  z-index: 0;
  min-width: 200px;
  min-height: 140px;
  transition: border-color 0.2s;
  cursor: default;
}
.canvas-section:hover {
  border-color: rgba(0,0,0,0.08);
}
.canvas-section.selected {
  border-color: var(--accent);
  z-index: 0;
}
.canvas-section.dragging {
  opacity: 0.85;
  z-index: 0;
}

.section-label {
  position: absolute;
  top: -26px;
  left: 0;
  font-size: 13px;
  font-weight: 700;
  color: rgba(0,0,0,0.45);
  cursor: grab;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1.4;
}
.section-label:active { cursor: grabbing; }
.section-label:empty::before {
  content: 'Section';
  opacity: 0.45;
}

.section-label-input {
  position: absolute;
  top: -28px;
  left: 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  border: 1.5px solid var(--accent);
  background: white;
  border-radius: 4px;
  padding: 2px 6px;
  outline: none;
  width: 200px;
  max-width: 100%;
  z-index: 5;
}

.section-resize {
  position: absolute;
  bottom: 0; right: 0;
  width: 22px; height: 22px;
  cursor: nwse-resize;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.15s;
}
.canvas-section:hover .section-resize { opacity: 1; }
@media (pointer: coarse) {
  .section-resize {
    width: 32px; height: 32px;
    opacity: 0.6;
  }
  .section-resize::after {
    bottom: 8px; right: 8px;
  }
}
.section-resize::after {
  content: '';
  position: absolute;
  bottom: 6px; right: 6px;
  width: 8px; height: 8px;
  border-right: 2px solid rgba(0,0,0,0.2);
  border-bottom: 2px solid rgba(0,0,0,0.2);
  border-radius: 0 0 2px 0;
}

.canvas-section .section-color-btn {
  position: absolute;
  bottom: 8px; left: 8px;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.canvas-section:hover .section-color-btn { opacity: 1; }
.section-color-btn:hover { transform: scale(1.15); }

/* Section color popover */
.section-color-popover {
  position: fixed;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  border: 1px solid rgba(0,0,0,0.06);
  z-index: 2000;
  width: 184px;
  animation: sectionPopoverIn 0.12s ease-out;
}
@keyframes sectionPopoverIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.section-color-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 10px;
  justify-items: center;
}
.section-color-swatch {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}
.section-color-swatch:hover { transform: scale(1.12); }
.section-color-swatch.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08), 0 0 0 2px rgba(255,77,141,0.2);
}
.section-color-divider {
  height: 1px;
  background: var(--border);
  margin: 0 0 8px;
}
.section-color-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.section-color-row:last-child { margin-bottom: 0; }
.section-color-row label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 36px;
  flex-shrink: 0;
}
.section-color-hex {
  flex: 1;
  padding: 4px 7px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  outline: none;
  text-transform: uppercase;
  width: 100%;
}
.section-color-hex:focus { border-color: var(--accent); }
.section-color-opacity {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  border-radius: 2.5px;
  background: linear-gradient(to right, transparent, var(--text));
  outline: none;
  cursor: pointer;
  margin-right: 2px;
}
.section-color-opacity::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: white;
  border: 1.5px solid var(--text-secondary);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.section-color-opacity::-moz-range-thumb {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: white;
  border: 1.5px solid var(--text-secondary);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.section-color-opacity-val {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 30px;
  flex-shrink: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Pan mode: sections non-interactive too */
#canvas-viewport.pan-mode .canvas-section { pointer-events: none; }

/* ============================================
   DROP ZONE OVERLAY
   ============================================ */
#drop-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 77, 141, 0.06);
  border: 3px dashed var(--accent);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
#drop-overlay.active { display: flex; }
#drop-overlay .drop-text {
  padding: 16px 32px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

/* ============================================
   CONTEXT MENU
   ============================================ */
.context-menu {
  position: fixed;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border: 1px solid rgba(0,0,0,0.06);
  z-index: 2000;
  min-width: 180px;
}
.context-menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background 0.1s;
}
.context-menu-item:hover { background: #f0eeeb; }
.context-menu-item.danger { color: var(--accent); }
.context-menu-item.danger:hover { background: var(--accent-light); }
.context-menu-item svg { width: 15px; height: 15px; flex-shrink: 0; }
.context-menu-divider { height: 1px; background: var(--border); margin: 4px 8px; }

.context-menu-item.has-submenu {
  position: relative;
}
.context-menu-item.has-submenu .submenu-chevron {
  width: 12px; height: 12px;
  margin-left: auto;
}
.context-submenu {
  display: none;
  position: absolute;
  top: -6px;
  left: 100%;
  margin-left: 0;
  background: white;
  backdrop-filter: blur(20px);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.06);
  min-width: 160px;
  z-index: 2001;
}
.context-submenu::before {
  content: '';
  position: absolute;
  top: 0;
  right: 100%;
  width: 12px;
  height: 100%;
}
.context-submenu.open-left {
  left: auto;
  right: 100%;
  margin-right: 0;
}
.context-submenu.open-left::before {
  right: auto;
  left: 100%;
}
.context-menu-item.has-submenu:hover > .context-submenu {
  display: block;
}
.context-submenu .context-menu-item.active {
  color: var(--accent);
  background: var(--accent-light);
}

/* ============================================
   MISC
   ============================================ */
.rename-input {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border: 2px solid var(--accent);
  border-radius: 8px;
  padding: 4px 10px;
  outline: none;
  background: white;
  width: 180px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dot-color); border-radius: 3px; }

#selection-box {
  position: absolute;
  border: 1.5px solid var(--accent);
  background: rgba(255,77,141,0.06);
  border-radius: 4px;
  pointer-events: none;
  z-index: 50;
  display: none;
}

#minimap {
  position: fixed;
  bottom: 72px;
  right: 20px;
  width: 160px;
  height: 100px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--toolbar-shadow);
  z-index: 1000;
  overflow: hidden;
  display: none;
}
#minimap.visible { display: block; }
#minimap canvas { width: 100%; height: 100%; }

/* ============================================
   VIEW MODE TOGGLE
   ============================================ */
.topbar-mode-toggle {
  display: flex;
  align-items: center;
  background: rgba(0,0,0,0.04);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.mode-btn {
  width: 32px; height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: all 0.15s;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active {
  background: white;
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.mode-btn svg { width: 16px; height: 16px; }

/* ============================================
   WALL MODE
   ============================================ */
#wall-viewport {
  display: none;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  padding-top: calc(76px + env(safe-area-inset-top, 0px));
  background: var(--bg);
  background-image: radial-gradient(circle, var(--dot-color) 1.2px, transparent 1.2px);
  background-size: 47.6px 47.6px;
}

body.wall-mode #wall-viewport { display: block; }
body.wall-mode #canvas-viewport { display: none; }
body.wall-mode #toolbar { display: none; }
body.wall-mode #text-style-toolbar { display: none !important; }
body.wall-mode #zoom-controls { display: none; }

#wall-grid {
  position: relative;
  margin: 0 auto;
  padding: 0 0 60px;
}

.wall-item {
  display: block;
  position: absolute;
  width: 280px;
  margin: 10px;
  z-index: 1;
}
.wall-item.muuri-item-dragging { z-index: 100; }
.wall-item.muuri-item-releasing { z-index: 50; }
.wall-item.muuri-item-hidden { z-index: 0; }

.wall-item-content {
  position: relative;
}

.wall-item .card {
  position: relative;
  left: auto !important;
  top: auto !important;
  width: auto !important;
  min-width: 0;
  min-height: 0;
  animation: none;
}
.wall-item .card.image-card {
  height: auto !important;
}

.wall-item .card-drag-handle {
  height: auto;
  padding: 8px 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  border-radius: var(--radius) var(--radius) 0 0;
}
.wall-item .card-drag-handle:active { cursor: grabbing; }
.wall-item .card-drag-handle .grip-icon {
  color: #d1d4d8;
}

.wall-item.muuri-item-dragging .card {
  box-shadow: var(--card-shadow-drag);
  border-color: var(--accent);
}

.wall-item .card.note-card {
  display: flex;
  flex-direction: column;
  position: relative;
}
.wall-item .card.note-card .card-textarea {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* Vertical resize handle for wall note cards */
.wall-item .card.note-card .card-resize {
  display: block;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  width: auto;
  height: 14px;
  cursor: ns-resize;
  opacity: 0;
  transition: opacity 0.15s;
}
.wall-item .card.note-card:hover .card-resize { opacity: 1; }
.wall-item .card.note-card .card-resize::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: var(--text-light);
}

.wall-item .card.image-card {
  overflow: visible;
}
.wall-item .card.image-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 var(--radius) var(--radius);
}
.wall-item .card.image-card .card-drag-handle {
  position: relative;
  background: none;
  opacity: 1;
}

.wall-item .card.image-card .card-resize { display: none; }
.wall-item .card-drag-grip { display: none !important; }

.wall-item .card-delete {
  top: -8px; right: -8px;
}

/* ============================================
   KANBAN MODE
   ============================================ */
#kanban-viewport {
  display: none;
  width: 100%;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  padding-top: calc(76px + env(safe-area-inset-top, 0px));
  background: var(--bg);
  background-image: radial-gradient(circle, var(--dot-color) 1.2px, transparent 1.2px);
  background-size: 47.6px 47.6px;
}

body.kanban-mode #kanban-viewport { display: block; }
body.kanban-mode #canvas-viewport { display: none; }
body.kanban-mode #toolbar { display: none; }
body.kanban-mode #text-style-toolbar { display: none !important; }
body.kanban-mode #zoom-controls { display: none; }

#kanban-board {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 24px 40px;
  height: calc(100% - 0px);
  min-width: min-content;
}

.kanban-column {
  flex-shrink: 0;
  width: 300px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.kanban-column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 14px 10px;
  flex-shrink: 0;
  cursor: grab;
}
.kanban-column-header:active { cursor: grabbing; }

.kanban-column-title {
  flex: 1;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  border: none;
  background: transparent;
  font-family: inherit;
  padding: 4px 6px;
  border-radius: 6px;
  outline: none;
  min-width: 0;
}
.kanban-column-title:focus {
  background: white;
  box-shadow: 0 0 0 2px var(--accent);
}

.kanban-column-count {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-light);
  flex-shrink: 0;
}

.kanban-column-delete {
  width: 24px; height: 24px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  opacity: 0;
  transition: opacity 0.12s, background 0.12s, color 0.12s;
  flex-shrink: 0;
}
.kanban-column:hover .kanban-column-delete { opacity: 1; }
.kanban-column-delete:hover { background: var(--accent-light); color: var(--accent); }
.kanban-column-delete svg { width: 14px; height: 14px; }

.kanban-card-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 10px 10px;
  min-height: 40px;
}

.kanban-card-list > .kanban-card:first-child {
  margin-top: 4px;
}

.kanban-card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--card-shadow);
  border: 1.5px solid transparent;
  margin-bottom: 10px;
  transition: box-shadow 0.2s, border-color 0.2s;
  cursor: grab;
}
.kanban-card:active { cursor: grabbing; }
.kanban-card:hover { box-shadow: var(--card-shadow-hover); }

.kanban-card.sortable-ghost {
  opacity: 0.4;
}
.kanban-card.sortable-chosen {
  box-shadow: var(--card-shadow-drag);
  border-color: var(--accent);
}

.kanban-card.note-card {
  display: flex;
  flex-direction: column;
  position: relative;
}

.kanban-card .card-drag-handle {
  height: auto;
  padding: 6px 0 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.kanban-card .card-drag-handle:active { cursor: grabbing; }
.kanban-card .card-drag-handle .grip-icon {
  color: #d1d4d8;
}

.kanban-card .card-textarea {
  width: 100%;
  padding: 2px 12px 6px;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
  resize: none;
  outline: none;
  flex: 1;
  min-height: 0;
  overflow-y: hidden;
}
.kanban-card .card-md-preview {
  overflow-y: hidden;
}
.kanban-card .card-diff-preview {
  overflow-y: hidden;
}
.kanban-card.active .card-textarea,
.kanban-card.active .card-md-preview,
.kanban-card.active .card-diff-preview {
  overflow-y: auto;
}
.kanban-card .card-drag-handle {
  transition: background 0.15s;
}
.kanban-card.active {
  border-color: var(--accent);
}
.kanban-card.active .card-drag-handle .grip-icon {
  color: var(--accent);
}

.kanban-card.note-card .card-resize {
  display: block;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  width: auto;
  height: 14px;
  cursor: ns-resize;
  opacity: 0;
  transition: opacity 0.15s;
}
.kanban-card.note-card:hover .card-resize { opacity: 1; }
.kanban-card.note-card .card-resize::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: var(--text-light);
}

.kanban-card.image-card .card-resize { display: none; }
.kanban-card .card-textarea::placeholder { color: var(--text-light); }

.kanban-card .card-tags-bar {
  padding: 8px 10px 5px 10px !important;
}
.kanban-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 0 10px 8px;
  flex-shrink: 0;
}

.kanban-card .card-counter {
  font-size: 10.5px;
}
.kanban-card .card-copy-btn {
  width: 20px; height: 20px;
}
.kanban-card .card-version-btn {
  width: 20px; height: 20px;
}
.kanban-card .card-md-toggle {
  width: 20px; height: 20px;
  font-size: 11px;
}
.kanban-card .card-img-upload {
  width: 20px; height: 20px;
}
.kanban-card .card-file-upload {
  width: 20px; height: 20px;
}
.kanban-card .card-link-embed {
  width: 20px; height: 20px;
}

.kanban-card.image-card {
  overflow: hidden;
}
.kanban-card.image-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 calc(var(--radius-sm) - 1.5px) calc(var(--radius-sm) - 1.5px);
}

.kanban-card .card-delete {
  position: absolute;
  top: -6px; right: -6px;
  width: 22px; height: 22px;
  border: none;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(255,77,141,0.3);
}
.kanban-card:hover .card-delete { opacity: 1; }
.kanban-card .card-delete:hover { transform: scale(1.15); background: var(--accent-hover); }
.kanban-card.image-card .card-delete { top: 6px; right: 6px; }

/* Add-column button */
.kanban-add-column {
  flex-shrink: 0;
  width: 300px;
  min-height: 80px;
  border: 2px dashed var(--border);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s;
}
.kanban-add-column:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,77,141,0.04);
}
.kanban-add-column svg { width: 16px; height: 16px; }

/* Add-card button inside column */
.kanban-add-card {
  width: 100%;
  padding: 8px;
  margin-top: 2px;
  border: 1.5px dashed var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.12s;
  display: flex; align-items: center; justify-content: center; gap: 4px;
}
.kanban-add-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,77,141,0.04);
}
.kanban-add-card svg { width: 13px; height: 13px; }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes cardAppear {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
.card { animation: cardAppear 0.2s ease-out; }

/* ============================================
   MOBILE DRAG GRIP
   ============================================ */
.card-drag-grip {
  display: none;
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 18px;
  background: var(--accent);
  border-radius: 9px;
  align-items: center;
  justify-content: center;
  z-index: 15;
  touch-action: none;
  cursor: grab;
  box-shadow: 0 2px 8px rgba(255,77,141,0.25);
  color: white;
  transition: transform 0.15s;
}
.card-drag-grip:active {
  cursor: grabbing;
  transform: translateX(-50%) scale(1.12);
}
.card-drag-grip svg {
  width: 10px;
  height: 14px;
  pointer-events: none;
}

@keyframes gripAppear {
  from { opacity: 0; transform: translateX(-50%) translateY(4px) scale(0.85); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* ============================================
   RESPONSIVE – MOBILE
   ============================================ */
@media (max-width: 768px) {
  /* Revert sidebar to off-canvas on mobile */
  #canvas-panel {
    position: fixed;
    left: -300px;
    top: 0; bottom: 0;
    width: 280px;
    height: 100vh;
    box-shadow: 4px 0 30px rgba(0,0,0,0.08);
    transition: left 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 1001;
  }
  #canvas-panel.open { left: 0; }

  #canvas-menu-btn {
    display: block;
    position: fixed;
    left: calc(16px + env(safe-area-inset-left, 0px));
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
  }
  #canvas-menu-btn button {
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(0,0,0,0.06);
    background: var(--toolbar-bg);
    backdrop-filter: blur(20px);
    box-shadow: var(--toolbar-shadow);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
  }
  #canvas-menu-btn button svg { width: 18px; height: 18px; color: var(--text); }

  .panel-close {
    display: flex;
    width: 30px; height: 30px;
    border: none; background: transparent;
    border-radius: 8px;
    cursor: pointer;
    align-items: center; justify-content: center;
  }
  .panel-close:hover { background: #f0f0f0; }
  .panel-close svg { width: 16px; height: 16px; color: var(--text-secondary); }

  #page-editor {
    width: 100vw;
    flex: none;
  }

  /* Top bar: left-align to avoid overlap with user menu */
  #topbar {
    left: 50%;
    transform: translateX(-50%);
    max-width: calc(100vw - 32px);
  }

  /* Top bar buttons: icon-only on mobile */
  .topbar-btn {
    font-size: 0;
    padding: 7px;
    gap: 0;
  }

  /* Tighter workspace title */
  .topbar-title {
    max-width: 100px;
  }

  /* Hide floating user menu on mobile — actions live in the side panel */
  #user-menu {
    display: none;
  }

  /* Show drag grip on selected / dragging cards */
  .card.selected .card-drag-grip,
  .card.dragging .card-drag-grip {
    display: flex;
    animation: gripAppear 0.15s ease-out;
  }

  /* Show resize handle on selected cards (no hover on touch) */
  .card.selected .card-resize {
    opacity: 1;
  }

  /* Zoom controls: sit above the bottom toolbar */
  #zoom-controls {
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }

  /* Wall mode: wider cards on mobile to use available space */
  .wall-item {
    width: 80vw;
  }
  #wall-viewport {
    padding-top: calc(72px + env(safe-area-inset-top, 0px));
  }
  #wall-grid {
    padding: 0 0 40px;
  }

  /* Kanban mode: narrower columns on mobile */
  .kanban-column, .kanban-add-column {
    width: 260px;
  }
  #kanban-viewport {
    padding-top: calc(72px + env(safe-area-inset-top, 0px));
  }
  #kanban-board {
    gap: 12px;
    padding: 12px 16px 32px;
  }

  /* Smaller mode toggle on mobile */
  .topbar-mode-toggle {
    gap: 1px;
    padding: 1px;
  }
  .mode-btn {
    width: 28px; height: 26px;
  }
}

/* ============================================
   DELETE CONFIRMATION DIALOG
   ============================================ */
.confirm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.25);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}
.confirm-backdrop.open { opacity: 1; }
.confirm-dialog {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.08);
  padding: 24px 28px;
  width: 320px;
  max-width: calc(100vw - 32px);
  transform: scale(0.95);
  transition: transform 0.15s;
}
.confirm-backdrop.open .confirm-dialog { transform: scale(1); }
.confirm-message {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 20px;
  line-height: 1.5;
}
.confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.confirm-btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
}
.confirm-btn:active { transform: scale(0.97); }
.confirm-btn.cancel {
  background: var(--border);
  color: var(--text);
}
.confirm-btn.cancel:hover { background: #d9d7d4; }
.confirm-btn.delete {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(255,77,141,0.3);
}
.confirm-btn.delete:hover { background: var(--accent-hover); }
.confirm-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   SHARE TARGET WORKSPACE PICKER
   ============================================ */
.share-ws-dialog {
  width: 340px;
}
.share-ws-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 320px;
  overflow-y: auto;
  margin-bottom: 16px;
}
.share-ws-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  transition: background 0.12s, border-color 0.12s;
}
.share-ws-item:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}
.share-ws-name {
  font-weight: 600;
  color: var(--text);
}
.share-ws-count {
  font-size: 11px;
  color: var(--text-secondary);
}
.share-ws-section {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 4px 4px;
}

/* ============================================
   MOVE TO WORKSPACE PICKER
   ============================================ */
.move-ws-dialog {
  width: 340px;
}
.move-ws-search {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  background: transparent;
  color: var(--text);
  outline: none;
  margin-bottom: 12px;
  transition: border-color 0.15s;
}
.move-ws-search:focus {
  border-color: var(--accent);
}
.move-ws-search::placeholder {
  color: var(--text-secondary);
}
.move-ws-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: 16px;
}
.move-ws-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  transition: background 0.12s, border-color 0.12s;
}
.move-ws-item:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}
.move-ws-item.current {
  opacity: 0.4;
  pointer-events: none;
}
.move-ws-name {
  font-weight: 600;
  color: var(--text);
}
.move-ws-count {
  font-size: 11px;
  color: var(--text-secondary);
}
.move-ws-section {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 4px 4px;
}
.move-ws-empty {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 20px 0;
}

/* ============================================
   MEDIA LIBRARY PANEL
   ============================================ */
#media-library-panel {
  position: fixed;
  right: -280px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  max-height: 70vh;
  background: var(--toolbar-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius);
  box-shadow: var(--toolbar-shadow);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1001;
  transition: right 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
}
#media-library-panel.open { right: 20px; }

.media-library-header {
  display: flex;
  align-items: center;
  padding: 14px 14px 8px;
  gap: 8px;
  flex-shrink: 0;
}
.media-library-grip {
  width: 11px;
  height: auto;
  opacity: 0.35;
}
.media-library-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  flex: 1;
}
.media-library-header .panel-close {
  width: 26px;
  height: 26px;
}

.media-library-drop {
  margin: 0 12px 8px;
  padding: 18px 12px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.media-library-drop p {
  margin: 0;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-light);
}
.media-library-drop.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.media-library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 0 12px 12px;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
}
.media-library-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-light);
  font-size: 11.5px;
  padding: 8px 0 4px;
}

.media-library-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  cursor: grab;
  border: 1.5px solid var(--border);
  background: repeating-conic-gradient(#f0f0f0 0% 25%, #fff 0% 50%) 50% / 12px 12px;
  transition: border-color 0.15s;
}
.media-library-item:hover { border-color: var(--accent); }
.media-library-item:active { cursor: grabbing; }
.media-library-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}
.media-library-item .media-item-delete {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 11px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 2;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.media-library-item:hover .media-item-delete { opacity: 1; }

/* Media card on canvas (no card chrome) */
.card.media-card {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  border: 1.5px solid transparent;
  min-width: 40px;
  min-height: 40px;
  z-index: 0;
}
.card.media-card:hover {
  box-shadow: none;
  border-color: rgba(0,0,0,0.15);
}
.card.media-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,77,141,0.18);
  z-index: 10;
}
.card.media-card.dragging {
  box-shadow: none;
  opacity: 0.85;
  z-index: 100;
}
.card.media-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}
.card.media-card .card-drag-handle {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  cursor: grab;
  border-radius: 0;
  background: transparent;
  opacity: 1;
}
.card.media-card .card-drag-handle:active { cursor: grabbing; }

.card-rotate-line {
  position: absolute;
  top: -25px;
  left: 50%;
  width: 1.5px;
  height: 25px;
  background: var(--accent);
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}
.card-rotate-handle {
  position: absolute;
  top: -39px;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  cursor: grab;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 10;
}
.card-rotate-handle:active { cursor: grabbing; }
.card.media-card:hover .card-rotate-line,
.card.media-card:hover .card-rotate-handle,
.card.media-card.selected .card-rotate-line,
.card.media-card.selected .card-rotate-handle {
  opacity: 1;
}

/* ---- Media card hover animations ---- */
@keyframes mc-fade {
  0%   { opacity: 1; }
  50%  { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes mc-scale {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.10); }
  100% { transform: scale(1); }
}
@keyframes mc-shake {
  0%       { transform: translateX(0); }
  4%       { transform: translateX(-4px) rotate(-2deg); }
  9%       { transform: translateX(4px) rotate(2deg); }
  14%      { transform: translateX(-4px) rotate(-1deg); }
  18%      { transform: translateX(4px) rotate(1deg); }
  23%      { transform: translateX(-2px) rotate(-0.5deg); }
  27%      { transform: translateX(2px) rotate(0.5deg); }
  32%      { transform: translateX(0); }
  32.01%, 100% { transform: translateX(0); }
}
@keyframes mc-reveal-right {
  0%   { clip-path: inset(0 100% 0 0); }
  100% { clip-path: inset(0 0 0 0); }
}
@keyframes mc-reveal-left {
  0%   { clip-path: inset(0 0 0 100%); }
  100% { clip-path: inset(0 0 0 0); }
}
@keyframes mc-reveal-up {
  0%   { clip-path: inset(100% 0 0 0); }
  100% { clip-path: inset(0 0 0 0); }
}
@keyframes mc-reveal-down {
  0%   { clip-path: inset(0 0 100% 0); }
  100% { clip-path: inset(0 0 0 0); }
}
@keyframes mc-pulse {
  0%   { transform: scale(1);    opacity: 1; }
  32%  { transform: scale(1.06); opacity: 0.75; }
  65%  { transform: scale(1);    opacity: 1; }
  100% { transform: scale(1);    opacity: 1; }
}

.pan-mode .card.media-card[data-animation="fade"]:hover img,
.pan-mode .card.text-card[data-animation="fade"]:hover .text-content {
  animation: mc-fade 1500ms ease-in-out infinite;
}
.pan-mode .card.media-card[data-animation="scale"]:hover img,
.pan-mode .card.text-card[data-animation="scale"]:hover .text-content {
  animation: mc-scale 900ms ease-in-out infinite;
}
.pan-mode .card.media-card[data-animation="reveal-right"]:hover img,
.pan-mode .card.text-card[data-animation="reveal-right"]:hover .text-content {
  animation: mc-reveal-right 600ms ease-out forwards;
}
.pan-mode .card.media-card[data-animation="reveal-left"]:hover img,
.pan-mode .card.text-card[data-animation="reveal-left"]:hover .text-content {
  animation: mc-reveal-left 600ms ease-out forwards;
}
.pan-mode .card.media-card[data-animation="reveal-up"]:hover img,
.pan-mode .card.text-card[data-animation="reveal-up"]:hover .text-content {
  animation: mc-reveal-up 600ms ease-out forwards;
}
.pan-mode .card.media-card[data-animation="reveal-down"]:hover img,
.pan-mode .card.text-card[data-animation="reveal-down"]:hover .text-content {
  animation: mc-reveal-down 600ms ease-out forwards;
}
.pan-mode .card.media-card[data-animation="pulse"]:hover img,
.pan-mode .card.text-card[data-animation="pulse"]:hover .text-content {
  animation: mc-pulse 1700ms ease-in-out infinite;
}
.pan-mode .card.media-card[data-animation="shake"]:hover img,
.pan-mode .card.text-card[data-animation="shake"]:hover .text-content {
  animation: mc-shake 2500ms ease-in-out infinite;
}

/* Text card on canvas (chromeless, like media) */
.card.text-card {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  border: 1.5px solid transparent;
  min-width: 80px;
  min-height: 30px;
  z-index: 1;
  display: flex;
  flex-direction: column;
}
.card.text-card:hover {
  box-shadow: none;
  border-color: rgba(0,0,0,0.1);
}
.card.text-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,77,141,0.18);
  z-index: 10;
}
.card.text-card.dragging {
  box-shadow: none;
  opacity: 0.85;
  z-index: 100;
}
.card.text-card .card-drag-handle {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 14px;
  cursor: grab;
  border-radius: 0;
  background: transparent;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 2;
}
.card.text-card:hover .card-drag-handle { opacity: 1; background: rgba(0,0,0,0.04); }
.card.text-card .card-drag-handle:active { cursor: grabbing; }
.card.text-card .card-delete {
  opacity: 0;
  transition: opacity 0.15s;
}
.card.text-card:hover .card-delete { opacity: 1; }

.text-content {
  width: 100%;
  padding: 4px 8px;
  outline: none;
  font-family: 'DM Sans', sans-serif;
  color: #555555;
  word-break: break-word;
  white-space: pre-wrap;
  min-height: 1em;
  cursor: text;
}
.text-content:empty::before {
  content: attr(data-placeholder);
  color: var(--text-light);
  pointer-events: none;
}

.card.text-card .card-resize-h {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 10px;
  height: 10px;
  cursor: nwse-resize;
  opacity: 0;
  transition: opacity 0.15s;
}
.card.text-card:hover .card-resize-h,
.card.text-card.selected .card-resize-h { opacity: 1; }

/* Text style floating toolbar */
#text-style-toolbar {
  display: none;
  position: fixed;
  z-index: 10000;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.14);
  align-items: center;
}
.text-style-btn {
  border: none;
  background: transparent;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  line-height: 1;
}
.text-style-btn:hover { background: var(--bg-hover); }
.text-style-btn.active {
  background: var(--accent);
  color: #fff;
}
.text-toolbar-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 2px;
}
.text-color-circle {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.12s, transform 0.12s;
}
.text-color-circle:hover {
  border-color: var(--accent);
  transform: scale(1.12);
}
#canvas-viewport.placing-text { cursor: crosshair; }

/* Collection chevron button */
.ml-collection-chevron {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  padding: 0;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.ml-collection-chevron:hover { background: #f0eeeb; color: var(--text); }
.ml-collection-chevron svg { width: 14px; height: 14px; }

/* Collection dropdown */
.ml-collection-dropdown {
  position: absolute;
  top: 42px;
  left: 12px;
  right: 12px;
  background: var(--toolbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.06);
  z-index: 10;
  overflow: visible;
  animation: mlDropIn 0.12s ease-out;
}
@keyframes mlDropIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.ml-collection-list {
  max-height: 50vh;
  overflow-y: auto;
  padding: 4px;
}
.ml-collection-option {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  transition: background 0.1s;
}
.ml-collection-option:hover { background: #f0eeeb; }
.ml-collection-option.active {
  color: var(--accent);
  font-weight: 600;
}
.ml-collection-option.active::before {
  content: '•';
  margin-right: 8px;
  font-size: 18px;
  line-height: 1;
}
.ml-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}
.ml-dropdown-action {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  transition: background 0.1s, color 0.1s;
}
.ml-dropdown-action:hover { background: #f0eeeb; color: var(--text); }
.ml-dropdown-action svg { width: 14px; height: 14px; flex-shrink: 0; }
.ml-dropdown-footer { padding: 4px; }

/* Manage Collections modal */
.ml-manage-dialog {
  width: 380px;
}
.ml-manage-dialog .confirm-message {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.ml-manage-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: 20px;
}
.ml-manage-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: border-color 0.12s;
}
.ml-manage-item:hover { border-color: rgba(0,0,0,0.12); }
.ml-manage-grip {
  color: var(--text-light);
  cursor: grab;
  flex-shrink: 0;
}
.ml-manage-grip:active { cursor: grabbing; }
.ml-manage-grip svg { width: 12px; height: 16px; }
.ml-manage-name {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ml-manage-name-input {
  flex: 1;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 4px 8px;
  outline: none;
  min-width: 0;
}
.ml-manage-btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: transparent;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  flex-shrink: 0;
}
.ml-manage-btn:hover { background: #f0eeeb; border-color: rgba(0,0,0,0.12); }
.ml-manage-btn.danger { color: var(--accent); }
.ml-manage-btn.danger:hover { background: var(--accent-light); border-color: var(--accent); }
.ml-manage-close {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.ml-manage-close:hover { background: #d9d7d4; }

/* Media library reorder states */
.media-library-item.ml-reordering {
  opacity: 0.5;
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 5;
}
.ml-manage-item.ml-reordering {
  opacity: 0.5;
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Media library drag ghost */
.media-drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.8;
  border-radius: 6px;
  max-width: 80px;
  max-height: 80px;
  object-fit: contain;
}

/* Hide media library in wall/kanban */
body.wall-mode #media-library-panel,
body.kanban-mode #media-library-panel { display: none; }

/* ============================================
   PWA UPDATE BAR
   ============================================ */
#pwa-update-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: var(--text);
  color: white;
  font-size: 13px;
  font-weight: 500;
  z-index: 10000;
  transform: translateY(-100%);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
#pwa-update-bar.show {
  transform: translateY(0);
}
#pwa-update-bar button {
  padding: 5px 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
#pwa-update-bar button:hover {
  background: var(--accent-hover);
}

/* ============================================
   PAGE EDITOR
   ============================================ */
#page-editor {
  flex: 1;
  min-width: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  z-index: 1;
  overflow: hidden;
}

#page-toolbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: calc(76px + env(safe-area-inset-top, 0px)) 40px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  flex-shrink: 0;
}

.page-toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.page-toolbar-right {
  margin-left: auto;
}

.page-tool-btn {
  width: 34px; height: 34px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}
.page-tool-btn:hover {
  background: #f0eeeb;
  color: var(--text);
}
.page-tool-btn.active {
  background: var(--accent-light);
  color: var(--accent);
}
.page-tool-btn.copied {
  color: #22c55e;
}
.page-tool-btn svg {
  width: 16px; height: 16px;
}

.page-toolbar-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 6px;
}

.page-counter {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-light);
  font-family: 'DM Sans', sans-serif;
  white-space: nowrap;
}

#page-scroll-container {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

#page-content-area {
  padding: 32px 40px 80px;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
}

.page-tags-bar {
  margin-bottom: 16px;
}
.page-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  min-height: 0;
}
.page-tags:empty {
  display: none;
}
.page-tags-bar:has(.page-tags:empty) {
  display: none;
}

#page-textarea {
  width: 100%;
  min-height: calc(100vh - 260px);
  padding: 0;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  resize: none;
  outline: none;
}
#page-textarea::placeholder {
  color: var(--text-light);
}
#page-textarea, #page-md-preview, #page-diff-preview {
  user-select: text;
  -webkit-user-select: text;
}

#page-md-preview {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  padding: 0;
  overflow-y: visible;
}

#page-md-preview h1 { font-size: 2em; margin: 0.67em 0; }
#page-md-preview h2 { font-size: 1.5em; margin: 0.83em 0; }
#page-md-preview h3 { font-size: 1.17em; margin: 1em 0; }
#page-md-preview p { margin: 0.8em 0; }
#page-md-preview ul, #page-md-preview ol { padding-left: 1.5em; margin: 0.8em 0; }
#page-md-preview pre { background: #f5f5f5; padding: 12px 16px; border-radius: 8px; overflow-x: auto; margin: 1em 0; }
#page-md-preview code { background: #f5f5f5; padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
#page-md-preview pre code { background: none; padding: 0; }
#page-md-preview blockquote { border-left: 3px solid var(--accent); padding-left: 16px; margin: 1em 0; color: var(--text-secondary); }
#page-md-preview img { max-width: 100%; border-radius: 8px; margin: 0.5em 0; }
#page-md-preview a { color: var(--accent); }
#page-md-preview hr { border: none; border-top: 1px solid var(--border); margin: 1.5em 0; }
#page-md-preview table { border-collapse: collapse; width: 100%; margin: 1em 0; }
#page-md-preview th, #page-md-preview td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
#page-md-preview th { background: #f8f7f5; font-weight: 600; }

#page-diff-preview {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  #page-toolbar {
    padding: calc(76px + env(safe-area-inset-top, 0px)) 16px 10px;
  }
  #page-content-area {
    padding: 20px 16px 60px;
  }
}