/* ==========================================================================
   NoteCraft - Notion-Style Block Editor Styles
   ========================================================================== */

.blocks-editor-layer {
  position: relative;
  z-index: 10;
  width: 100%;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Base Block Container */
.editor-block {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 3px 0;
  border-radius: var(--radius-sm);
  transition: background-color 0.1s;
}

.editor-block:hover {
  background-color: rgba(59, 130, 246, 0.03);
}

/* Block Left Controls (Grip / Plus) */
.block-handle {
  position: absolute;
  left: -32px;
  top: 5px;
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
  user-select: none;
}

.editor-block:hover .block-handle {
  opacity: 1;
}

.btn-block-action {
  width: 18px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: 3px;
  font-size: 0.75rem;
  cursor: pointer;
}

.btn-block-action:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

/* Block Content (ContentEditable) */
.block-content {
  flex: 1;
  min-height: 26px;
  outline: none;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  word-break: break-word;
  padding: 2px 4px;
  border-radius: 4px;
}

/* Empty Block Placeholder */
.block-content[data-placeholder]:empty::before {
  content: attr(data-placeholder);
  color: var(--text-muted);
  opacity: 0.6;
  pointer-events: none;
}

/* Block Types */
.block-h1 .block-content {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 14px;
  margin-bottom: 4px;
}

.block-h2 .block-content {
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.35;
  margin-top: 12px;
  margin-bottom: 2px;
}

.block-h3 .block-content {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 8px;
}

/* To-Do Block */
.block-todo {
  display: flex;
  align-items: flex-start;
}

.todo-checkbox-wrapper {
  padding-top: 5px;
  margin-right: 10px;
  user-select: none;
}

.todo-checkbox {
  appearance: none;
  width: 17px;
  height: 17px;
  border: 2px solid var(--border-subtle);
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  background-color: var(--bg-card);
  position: relative;
}

.todo-checkbox:checked {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.todo-checkbox:checked::after {
  content: "✓";
  color: #ffffff;
  font-size: 12px;
  font-weight: bold;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.block-todo.completed .block-content {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Bullet List Block */
.block-bullet {
  display: flex;
  align-items: flex-start;
}

.bullet-marker {
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-primary);
  user-select: none;
  line-height: 1.6;
}

/* Numbered List Block */
.block-numbered {
  display: flex;
  align-items: flex-start;
}

.numbered-marker {
  min-width: 24px;
  padding-right: 6px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  user-select: none;
  line-height: 1.6;
  text-align: right;
  font-weight: 500;
}

/* Quote Block */
.block-quote {
  padding-left: 14px;
  border-left: 3px solid var(--text-primary);
  font-style: italic;
  margin: 4px 0;
}

.block-quote .block-content {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Callout Block */
.block-callout {
  background-color: var(--accent-light);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 6px 0;
}

.callout-icon {
  font-size: 1.3rem;
  user-select: none;
}

.block-callout .block-content {
  color: var(--text-primary);
}

/* Divider Block */
.block-divider {
  padding: 10px 0;
  width: 100%;
}

.block-divider hr {
  border: none;
  height: 1px;
  background-color: var(--border-color);
}

/* Image Block */
.block-image {
  width: 100%;
  margin: 8px 0;
  display: flex;
  flex-direction: column;
}

.image-block-wrapper {
  position: relative;
  display: inline-block;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
}

.image-block-wrapper img {
  display: block;
  max-width: 100%;
  max-height: 520px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.image-block-overlay-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s ease;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  padding: 3px 6px;
  border-radius: var(--radius-sm);
}

.image-block-wrapper:hover .image-block-overlay-actions {
  opacity: 1;
}

.img-action-btn {
  color: #ffffff;
  font-size: 0.8rem;
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.img-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

.image-caption-input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  padding: 6px 0;
  outline: none;
  font-family: inherit;
}

/* Image Upload Empty State */
.image-empty-placeholder {
  width: 100%;
  padding: 28px 16px;
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.image-empty-placeholder:hover, .image-empty-placeholder.drag-over {
  border-color: var(--accent-primary);
  background-color: var(--accent-light);
  color: var(--accent-primary);
}

.image-empty-placeholder i {
  font-size: 1.8rem;
}

/* File Attachment Block */
.block-file {
  width: 100%;
  margin: 6px 0;
}

.file-attachment-card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
  max-width: 480px;
  width: 100%;
}

.file-attachment-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.file-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.file-card-info {
  flex: 1;
  min-width: 0;
}

.file-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-card-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.file-card-download-btn {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-sidebar);
  color: var(--text-secondary);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.file-card-download-btn:hover {
  background-color: var(--accent-primary);
  color: #ffffff;
}

/* Global Editor Drag-Over Highlight */
.blocks-editor-layer.drag-over {
  outline: 2px dashed var(--accent-primary);
  outline-offset: 4px;
}

/* ==========================================================================
   Slash Menu Popover (Notion Style)
   ========================================================================== */

.slash-menu {
  position: absolute;
  width: 280px;
  max-height: 340px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  z-index: 100;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.slash-menu-header {
  padding: 8px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.slash-menu-list {
  overflow-y: auto;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slash-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.1s;
}

.slash-item:hover, .slash-item.active {
  background-color: var(--bg-sidebar-hover);
}

.slash-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 700;
  flex-shrink: 0;
}

.slash-text {
  flex: 1;
  min-width: 0;
}

.slash-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.slash-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   Floating Text Formatting Toolbar
   ========================================================================== */

.format-toolbar {
  position: absolute;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  padding: 4px 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 120;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.fmt-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.fmt-btn:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

.fmt-divider {
  width: 1px;
  height: 16px;
  background-color: var(--border-color);
  margin: 0 3px;
}