/* ===== CONTENTEDITABLE LATEX EDITOR STYLES ===== */
/* Direct syntax highlighting for LaTeX contenteditable element */

.live-latex-contenteditable {
  /* Ensure it looks and behaves like the original textarea */
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  border: 1px solid var(--sidebar-border);
  padding: 1rem;
  background: var(--body-bg);
  color: var(--body-text);
  /* FIXED: Use container-based sizing like original textarea */
  width: 100%;
  height: 100%;
  min-height: 0; /* Let flexbox control minimum height */
  max-height: none;
  overflow-y: auto;
  resize: vertical;
  outline: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
  display: block;
  /* ADDED: Ensure proper flex behavior */
  flex: 1;
}

.live-latex-contenteditable:focus {
  border-color: var(--link-color);
  box-shadow: 0 0 0 3px var(--focus-bg);
  outline-offset: 2px;
}

/* Ensure contenteditable behaves like textarea for paste operations */
/* FIXED: Exclude token elements from style reset to preserve syntax highlighting */
.live-latex-contenteditable *:not([class*="token"]):not(code):not(pre) {
  font-family: inherit !important;
  font-size: inherit !important;
  line-height: inherit !important;
  color: inherit !important;
  background: transparent !important;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Reset pasted spans and divs specifically, but preserve token classes */
.live-latex-contenteditable span:not([class*="token"]),
.live-latex-contenteditable div:not([class*="language-"]) {
  color: inherit !important;
  background: transparent !important;
  font-family: inherit !important;
  font-size: inherit !important;
}

/* Placeholder-like styling when empty */
.live-latex-contenteditable:empty::before {
  content: attr(placeholder);
  color: var(--text-secondary);
  font-style: italic;
  pointer-events: none;
}

/* Ensure screen readers can access the content properly */
.live-latex-contenteditable[contenteditable="true"] {
  -webkit-user-modify: read-write-plaintext-only;
}

/* ===== A11Y THEME VARIABLES ===== */
@media (forced-colors: none), (forced-colors: active) {
  :root {
    --prism-a11y-border-radius: 0.3em;
    --prism-a11y-font-family: var(--font-family-mono);
    --prism-a11y-line-height: 1.5;
    --prism-a11y-code-block-margin: 0.5em 0;
    --prism-a11y-code-block-padding: 1em;
    --prism-a11y-code-inline-padding: 0.1em;
    --prism-a11y-width-border: 1px;
    --prism-a11y-width-tab: 2;
  }
}

/* Light theme colors (default) */
@media (forced-colors: none), (forced-colors: active) {
  :root {
    --prism-a11y-color-background: transparent;
    --prism-a11y-color-text-no-token: hsla(0, 0%, 33%, 1);
    --prism-a11y-color-text-comment: hsla(16, 100%, 25%, 1);
    --prism-a11y-color-text-blue: hsla(212, 55.2%, 43.7%, 1);
    --prism-a11y-color-text-cyan: hsla(192, 65.2%, 34.9%, 1);
    --prism-a11y-color-text-green: hsla(120, 100%, 25%, 1);
    --prism-a11y-color-text-gray: hsla(0, 0%, 41%, 1);
    --prism-a11y-color-text-purple: hsla(282, 100%, 41%, 1);
    --prism-a11y-color-text-red: hsla(2, 80%, 47%, 1);
    --prism-a11y-color-text-yellow: hsla(43, 74%, 30%, 1);
    --prism-a11y-plugin-color-border: hsla(43, 74%, 30%, 0.55);
    --prism-a11y-plugin-color-background: hsla(43, 74%, 30%, 0.1);
  }
}

/* Dark theme colors */
[data-theme="dark"] {
  --prism-a11y-color-background: transparent;
  --prism-a11y-color-text-no-token: hsla(60, 30%, 96%, 1);
  --prism-a11y-color-text-comment: hsla(54, 32%, 75%, 1);
  --prism-a11y-color-text-blue: hsla(206, 100%, 71%, 1);
  --prism-a11y-color-text-cyan: hsla(187, 77.9%, 66.3%, 1);
  --prism-a11y-color-text-green: hsla(80, 75%, 55%, 1);
  --prism-a11y-color-text-gray: hsla(60, 30%, 96%, 1);
  --prism-a11y-color-text-purple: hsla(291, 30%, 83%, 1);
  --prism-a11y-color-text-red: hsla(17, 100%, 74%, 1);
  --prism-a11y-color-text-yellow: hsla(51, 100%, 50%, 1);
  --prism-a11y-plugin-color-border: hsla(51, 100%, 50%, 0.55);
  --prism-a11y-plugin-color-background: hsla(51, 100%, 50%, 0.1);
}

@media (forced-colors: none), (forced-colors: active) {
  /*
     * Live LaTeX Editor Prism.js Theme - A11Y VERSION
     * Based on professional a11y themes by @ericwbailey
     */
  .live-latex-contenteditable code[class*="language-"],
  .live-latex-contenteditable pre[class*="language-"] {
    color: var(--prism-a11y-color-text-no-token);
    background: var(--prism-a11y-color-background);
    font-family: var(--prism-a11y-font-family);
    text-align: start;
    white-space: pre-wrap;
    word-spacing: normal;
    word-break: normal;
    word-wrap: break-word;
    line-height: var(--prism-a11y-line-height);

    -moz-tab-size: var(--prism-a11y-width-tab);
    -o-tab-size: var(--prism-a11y-width-tab);
    tab-size: var(--prism-a11y-width-tab);

    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
  }

  /* Live LaTeX Editor specific code blocks */
  .live-latex-contenteditable pre[class*="language-"] {
    padding: 0;
    margin: 0;
    overflow: hidden;
    border-radius: 0;
    background: transparent !important;
  }

  .live-latex-contenteditable code[class*="language-"] {
    background: transparent !important;
  }

  /* Token styling for live editor - using A11Y colors with original selectors */
  .live-latex-contenteditable .token.comment,
  .live-latex-contenteditable .token.prolog,
  .live-latex-contenteditable .token.doctype,
  .live-latex-contenteditable .token.cdata {
    color: var(--prism-a11y-color-text-comment);
    font-style: italic;
  }

  .live-latex-contenteditable .token.punctuation {
    color: var(--prism-a11y-color-text-gray);
  }

  /* ===== LATEX-SPECIFIC TOKEN CLASSES (using A11Y colors) ===== */

  /* LaTeX Commands: \documentclass, \begin, \end, \textbf, etc. */
  .live-latex-contenteditable .token.function,
  .live-latex-contenteditable .token.function.selector {
    color: var(--prism-a11y-color-text-blue);
    font-weight: 600;
  }

  /* Environment names and keywords: article, document, equation, etc. */
  .live-latex-contenteditable .token.keyword {
    color: var(--prism-a11y-color-text-cyan);
    font-weight: 500;
  }

  /* String content in braces */
  .live-latex-contenteditable .token.string {
    color: var(--prism-a11y-color-text-green);
  }

  /* Math environments and equations - clean text-only styling */
  .live-latex-contenteditable .token.equation,
  .live-latex-contenteditable .token.math {
    color: var(--prism-a11y-color-text-green);
    font-weight: 500;
  }

  /* CDATA blocks (verbatim, lstlisting, etc.) - keep subtle background for these */
  .live-latex-contenteditable .token.cdata {
    color: var(--prism-a11y-color-text-yellow);
    background: var(--prism-a11y-plugin-color-background);
    border-radius: 2px;
    padding: 0 2px;
  }

  /* Numbers */
  .live-latex-contenteditable .token.number {
    color: var(--prism-a11y-color-text-purple);
    font-weight: 600;
  }

  .live-latex-contenteditable .token.important,
  .live-latex-contenteditable .token.bold {
    font-weight: bold;
  }

  .live-latex-contenteditable .token.italic {
    font-style: italic;
  }

  .live-latex-contenteditable .token.entity {
    cursor: help;
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */

/* Screen reader only content */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Live region for announcements */
#live-latex-announcements {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ===== MOBILE RESPONSIVE ===== */

@media (max-width: 768px) {
  .live-latex-contenteditable {
    font-size: 0.8rem;
    padding: 0.75rem;
    min-height: 200px; /* Reasonable minimum for mobile */
    height: 100%; /* Still fill container on mobile */
  }
}

/* ===== REDUCED MOTION SUPPORT ===== */

@media (prefers-reduced-motion: reduce) {
  .live-latex-contenteditable {
    transition: none !important;
    animation: none !important;
  }
}

/* ===== FOCUS INDICATORS ===== */

/* Enhanced focus indication when contenteditable is focused */
.live-latex-contenteditable:focus {
  border: 3px solid var(--focus-outline, #2563eb);
}

/* Ensure focus is visible in high contrast mode */
@media (prefers-contrast: high) {
  .live-latex-contenteditable:focus {
    outline: 3px solid #000000;
    outline-offset: 2px;
  }
}

/* ===== PRINT STYLES ===== */

@media print {
  .live-latex-contenteditable {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
  }

  .live-latex-contenteditable .token {
    color: black !important;
    background: transparent !important;
    text-shadow: none !important;
  }
}