/* ========================================
 * Markdown WYSIWYG Editor - Styles
 * ========================================
 * 
 * This file contains editor-specific styles for ProseMirror and UI components.
 * 
 * For theming, import theme.css which provides shadcn-compatible CSS variables:
 *   @import "markdown-wysiwyg-editor/theme.css";
 * 
 * Or define your own CSS variables in your host project's CSS.
 * 
 * Required Tailwind v4 setup in your index.css:
 *   @import "tailwindcss";
 *   @source "./node_modules/markdown-wysiwyg-editor/dist/*.js";
 *   @import "markdown-wysiwyg-editor/theme.css";
 * 
 * ======================================== */
@theme {
  /* Spacing Tokens */
  --spacing-ui-x: var(--ui-component-padding-x);
  --spacing-ui-y: var(--ui-component-padding-y);
  --spacing-ui-modal: var(--ui-modal-padding);
  --spacing-ui-cell: var(--ui-table-cell-padding);

  --spacing-btn-x: var(--ui-button-padding-x);
  --spacing-btn-y: var(--ui-button-padding-y);

  /* Icon Size Tokens */
  --spacing-icon-xs: var(--ui-icon-size-xs);
  --spacing-icon-sm: var(--ui-icon-size-sm);
  --spacing-icon-md: var(--ui-icon-size-md);
  --spacing-icon-lg: var(--ui-icon-size-lg);
  --spacing-icon-xl: var(--ui-icon-size-xl);

  /* Radius Tokens */
  --radius-ui: var(--radius);
}

/* UI Density Variables */
@layer base {
  :root {
    --ui-component-height: 2.5rem;
    --ui-list-row-height: 2.5rem;
    --ui-component-padding-x: 0.75rem;
    --ui-component-padding-y: 0.5rem;
    --ui-button-padding-x: 1rem;
    --ui-button-padding-y: 0.5rem;
    --ui-font-size-base: 0.875rem;
    --ui-modal-padding: 1.5rem;
    --ui-modal-padding: 1.5rem;
    --ui-table-cell-padding: 0.75rem;

    /* Icon Sizes */
    --ui-icon-size-xs: 0.5rem;
    /* 8px (w-2) */
    --ui-icon-size-sm: 0.75rem;
    /* 12px (w-3) */
    --ui-icon-size-md: 1rem;
    /* 16px (w-4) */
    --ui-icon-size-lg: 1.25rem;
    /* 20px (w-5) */
    --ui-icon-size-xl: 1.5rem;
    /* 24px (w-6) */
  }
}

:root[data-density="compact"] {
  --ui-component-height: 2rem;
  /* 32px */
  --ui-list-row-height: 2rem;
  --ui-component-padding-x: 0.5rem;
  /* 8px */
  --ui-component-padding-y: 0.25rem;
  /* 4px */
  --ui-button-padding-x: 0.5rem;
  /* 8px */
  --ui-button-padding-y: 0.25rem;
  /* 4px */
  --ui-font-size-base: 0.825rem;
  /* 13.2px */
  --ui-modal-padding: 1rem;
  /* 16px */
  --ui-table-cell-padding: 0.5rem;
  /* 8px */
}

:root[data-density="spacious"] {
  --ui-component-height: 3rem;
  /* 48px */
  --ui-list-row-height: 3.5rem;
  /* 56px */
  --ui-component-padding-x: 1.25rem;
  /* 20px */
  --ui-component-padding-y: 0.75rem;
  /* 12px */
  --ui-button-padding-x: 1.25rem;
  /* 20px */
  --ui-button-padding-y: 0.75rem;
  /* 12px */
  --ui-font-size-base: 1rem;
  /* 16px */
  --ui-modal-padding: 2rem;
  /* 32px */
  --ui-table-cell-padding: 1rem;
  /* 16px */
}

:root {
  /* ========================================
   * Editor-specific Tokens (referencing shadcn tokens)
   * ======================================== */

  /* Editor Background & Text */
  --mw-bg-canvas: hsl(var(--background));
  --mw-text-primary: hsl(var(--foreground));
  --mw-text-secondary: hsl(var(--muted-foreground));

  /* Headings */
  --mw-heading-color: hsl(var(--foreground));
  --mw-heading-secondary: hsl(var(--foreground));

  /* Code Blocks */
  --mw-code-bg: #1e293b;
  --mw-code-text: #e2e8f0;
  --mw-code-border: hsl(var(--border));

  /* Inline Code */
  --mw-inline-code-bg: #fef2f2;
  --mw-inline-code-text: #b91c1c;
  --mw-inline-code-border: #fecaca;

  /* Tables */
  --mw-table-border: hsl(var(--border));
  --mw-table-header-bg: hsl(var(--muted));
  --mw-table-header-text: hsl(var(--foreground));
  --mw-table-header-border-bottom: hsl(var(--border) / 0.1);
  --mw-table-row-hover: hsl(var(--accent));
  --mw-table-resize-handle: hsl(var(--primary));

  /* Blockquotes */
  --mw-quote-border: hsl(var(--primary));
  --mw-quote-text: hsl(var(--muted-foreground));
  --mw-quote-bg: hsl(var(--muted));

  /* Toolbar Tooltip */
  --mw-tooltip-bg: hsl(var(--popover));
  --mw-tooltip-text: hsl(var(--popover-foreground));

  /* Toolbar */
  --mw-toolbar-bg: hsl(var(--popover));
  --mw-toolbar-border: hsl(var(--border));
  --mw-toolbar-text: hsl(var(--popover-foreground));
  --mw-toolbar-hover-bg: hsl(var(--accent));
  --mw-toolbar-active-bg: hsl(var(--accent));
}

/* Base Editor Styles */
.ProseMirror,
.markdown-wysiwyg-editor {
  background-color: var(--mw-bg-canvas);
  color: var(--mw-text-primary);
  min-height: 100%;
}

.ProseMirror:focus,
.markdown-wysiwyg-editor:focus {
  outline: none;
}

/* Heading styles for WYSIWYG */

.ProseMirror h1 {
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
  color: var(--mw-heading-color);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: calc(var(--ui-component-padding-y) * 2);
}

.ProseMirror h2 {
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
  color: var(--mw-heading-color);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: calc(var(--ui-component-padding-y) * 1.5);
}

.ProseMirror h3 {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 600;
  color: var(--mw-heading-color);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: var(--ui-component-padding-y);
}

.ProseMirror h4 {
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-weight: 600;
  color: var(--mw-heading-secondary);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: var(--ui-component-padding-y);
}

.ProseMirror h5 {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 500;
  color: var(--mw-heading-secondary);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: var(--ui-component-padding-y);
}

.ProseMirror h6 {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 500;
  color: var(--mw-text-secondary);
  margin-bottom: var(--ui-component-padding-y);
  margin-top: var(--ui-component-padding-y);
}

.ProseMirror p {
  margin-bottom: var(--ui-component-padding-y);
  color: var(--mw-text-primary);
  /* Fixed: use primary text color for paragraphs */
  line-height: 1.6;
}

.ProseMirror a {
  color: #2563eb;
  /* blue-600 */
  text-decoration: underline;
  cursor: pointer;
}

.ProseMirror a:hover {
  color: #1e40af;
  /* blue-800 */
}

.ProseMirror hr {
  border: 0;
  border-top: 1px solid var(--mw-table-border);
  margin: 1.5rem 0;
}

/* List styles */
.ProseMirror ul,
.ProseMirror ol {
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  margin-top: 0.75rem;
}

.ProseMirror ul {
  list-style-type: disc;
}

.ProseMirror ol {
  list-style-type: decimal;
}

.ProseMirror ul li,
.ProseMirror ol li {
  margin-bottom: 0.25rem;
  padding-left: 0.25rem;
  color: var(--mw-text-primary);
}

.ProseMirror li>p {
  margin-bottom: 0;
  margin-top: 0;
}

/* Bold, Italic, Strikethrough */
.ProseMirror strong,
.ProseMirror b {
  font-weight: 700;
  color: var(--mw-text-primary);
}

.ProseMirror em,
.ProseMirror i {
  font-style: italic;
  color: var(--mw-text-primary);
}

.ProseMirror s,
.ProseMirror strike,
.ProseMirror del {
  color: var(--mw-text-secondary);
}

/* Blockquote styling */
/* Blockquote styling */
.ProseMirror blockquote {
  border-left: 4px solid var(--mw-quote-border);
  padding-left: var(--ui-component-padding-x);
  padding-right: var(--ui-component-padding-x);
  font-style: italic;
  color: var(--mw-quote-text);
  background-color: var(--mw-quote-bg);
  padding-top: var(--ui-component-padding-y);
  padding-bottom: var(--ui-component-padding-y);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: var(--ui-component-padding-y);
  margin-bottom: var(--ui-component-padding-y);
}

.ProseMirror blockquote p {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.ProseMirror blockquote p:first-child {
  margin-top: 0;
}

.ProseMirror blockquote p:last-child {
  margin-bottom: 0;
}

/* List marker color */
.ProseMirror ul>li::marker {
  color: var(--mw-heading-secondary);
  font-weight: 600;
}

.ProseMirror ol>li::marker {
  color: var(--mw-heading-secondary);
  font-weight: 600;
}

/* Inline code styling */
.ProseMirror code:not(pre code) {
  background-color: var(--mw-inline-code-bg);
  color: var(--mw-inline-code-text);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  border: 1px solid var(--mw-inline-code-border);
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-weight: normal;
}

/* Table styling */
.ProseMirror table {
  border-collapse: collapse;
  width: 100%;
  margin-top: var(--ui-component-padding-y);
  margin-bottom: var(--ui-component-padding-y);
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 0 0 2px var(--mw-table-border);
}

.ProseMirror table th,
.ProseMirror table td {
  border: 2px solid var(--mw-table-border);
  padding: var(--ui-table-cell-padding);
  text-align: left;
  min-width: 100px;
}

.ProseMirror table th {
  background-color: var(--mw-table-header-bg);
  font-weight: 600;
  color: var(--mw-table-header-text);
  border-bottom: 2px solid var(--mw-table-border);
}

.ProseMirror table td {
  background-color: var(--mw-bg-canvas);
  color: var(--mw-text-primary);
}

.ProseMirror table tr:hover td {
  background-color: var(--mw-table-row-hover);
}

/* Table resize handle */
.ProseMirror .column-resize-handle {
  position: absolute;
  right: -2px;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--mw-table-resize-handle);
  cursor: col-resize;
  z-index: 20;
}

/* Code block styling */
/* Code block styling */
.ProseMirror pre {
  background: var(--mw-code-bg);
  color: var(--mw-code-text);
  padding: var(--ui-component-padding-x);
  border-radius: var(--radius);
  overflow-x: auto;
  margin-top: var(--ui-component-padding-y);
  margin-bottom: var(--ui-component-padding-y);
  font-size: 0.875rem;
  line-height: 1.5;
}

.ProseMirror pre code {
  display: block;
  white-space: pre;
  color: var(--mw-code-text);
  background: transparent;
  border: none;
  padding: 0;
  font-family: "Monaco", "Menlo", "Ubuntu Mono", "Courier New", monospace;
}

.ProseMirror .hljs {
  background: var(--mw-code-bg);
  color: var(--mw-code-text);
}

/* Toolbar tooltip styling */
.mw-toolbar-root [data-tooltip] {
  position: relative;
}

.mw-toolbar-root [data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 8px;
  background-color: var(--mw-tooltip-bg);
  color: var(--mw-tooltip-text);
  font-size: 12px;
  white-space: nowrap;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s ease-in-out;
  z-index: 1000;
}

.mw-toolbar-root [data-tooltip]::after {
  content: "";
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: var(--mw-tooltip-bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s ease-in-out;
  z-index: 1000;
}

.mw-toolbar-root [data-tooltip]:hover::before,
.mw-toolbar-root [data-tooltip]:hover::after {
  opacity: 1;
}

/* ========================================
 * Emoji Picker Styles
 * ======================================== */

.mw-emoji-picker {
  width: 320px;
  max-height: 320px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Category tabs */
.mw-emoji-categories {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--mw-toolbar-border, #e5e7eb);
  padding: 4px;
  gap: 2px;
  flex-shrink: 0;
}

.mw-emoji-search {
  padding: 6px;
  border-bottom: 1px solid var(--mw-toolbar-border, #e5e7eb);
  flex-shrink: 0;
}

.mw-emoji-search-input {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid var(--mw-toolbar-border, #d1d5db);
  background-color: var(--mw-bg-canvas, #ffffff);
  color: var(--mw-toolbar-text, #111827);
  font-size: 13px;
}

.mw-emoji-search-input:focus {
  outline: none;
  border-color: var(--mw-ring, rgba(59, 130, 246, 0.75));
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.mw-emoji-search-input::placeholder {
  color: var(--mw-text-secondary, #6b7280);
}

.mw-emoji-category-tab {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease;
  color: var(--mw-toolbar-text, #111827);
}

.mw-emoji-category-tab:hover {
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.06));
}

.mw-emoji-category-tab--active {
  background-color: var(--mw-toolbar-active-bg, rgba(0, 0, 0, 0.08));
  color: var(--mw-toolbar-text, #111827);
  border-color: var(--mw-toolbar-border, #d1d5db);
  box-shadow: inset 0 -2px 0 var(--mw-ring, rgba(59, 130, 246, 0.85));
}

.mw-emoji-category-tab:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.mw-emoji-category-icon {
  font-size: 16px;
  line-height: 1;
}

.mw-emoji-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  flex: 1 1 auto;
  min-height: 0;
  padding: 6px;
}

/* Emoji sections (grouped categories) */
.mw-emoji-sections {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mw-emoji-section-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 2px;
  border-bottom: 1px solid var(--mw-toolbar-border, #e5e7eb);
  margin-bottom: 6px;
}

.mw-emoji-section-icon {
  font-size: 14px;
  line-height: 1;
}

.mw-emoji-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--mw-toolbar-text, #111827);
}

/* Emoji grid */
.mw-emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 2px;
  padding: 0;
}

.mw-emoji-empty {
  grid-column: 1 / -1;
  padding: 12px 8px;
  color: var(--mw-text-secondary, #6b7280);
  font-size: 12px;
}

.mw-emoji-item {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease;
  color: var(--mw-toolbar-text, #111827);
  font-size: 20px;
  line-height: 1;
}

.mw-emoji-item:hover {
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.06));
}

.mw-emoji-item:focus {
  outline: 2px solid var(--mw-toolbar-border, #e5e7eb);
  outline-offset: -2px;
}

.mw-emoji-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mw-emoji-char {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "EmojiOne Color",
    "Android Emoji", sans-serif;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
}

.mw-image-picker {
  width: 320px;
  max-height: 360px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mw-image-body {
  padding: 10px;
}

.mw-image-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mw-image-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--mw-text-secondary, #6b7280);
}

.mw-image-input {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--mw-toolbar-border, #d1d5db);
  background-color: var(--mw-bg-canvas, #ffffff);
  color: var(--mw-text-primary, #111827);
  font-size: 13px;
}

.mw-image-input:focus {
  outline: none;
  border-color: var(--mw-ring, rgba(59, 130, 246, 0.75));
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.mw-image-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.mw-image-insert {
  height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

.mw-image-insert:hover {
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.06));
}

.mw-image-insert:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Image Picker File Button */
.mw-image-file-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.mw-image-file-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  border: 2px dashed #4b5563;
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.02));
  color: var(--mw-text-primary, #111827);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mw-image-file-button:hover {
  border-color: var(--mw-ring, #3b82f6);
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.04));
  color: #3b82f6;
}

.mw-image-file-button:active {
  background-color: var(--mw-toolbar-active-bg, rgba(0, 0, 0, 0.08));
  transform: scale(0.98);
}

.mw-image-file-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mw-image-file-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.mw-image-file-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  border: 2px dashed var(--mw-toolbar-border, #d1d5db);
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.02));
  color: var(--mw-text-primary, #111827);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mw-image-file-button:hover {
  border-color: var(--mw-ring, #3b82f6);
  background-color: var(--mw-toolbar-hover-bg, rgba(0, 0, 0, 0.04));
  color: #3b82f6;
}

.mw-image-file-button:active {
  background-color: var(--mw-toolbar-active-bg, rgba(0, 0, 0, 0.08));
  transform: scale(0.98);
}

.mw-image-file-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}