/* KaTeX-like CSS - Minimal implementation for math formulas */

.katex {
  font: normal 1.21em 'SimHei', 'Microsoft YaHei', 'Arial Unicode MS', 'Times New Roman', Times, serif;
  line-height: 1.5;
  white-space: nowrap;
  text-indent: 0;
  text-rendering: auto;
}

.katex-display {
  display: block;
  margin: 1em 0;
  text-align: center;
  padding: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.katex-display > .katex {
  white-space: normal;
}

.katex-html {
  display: inline-block;
}

.katex-mathml {
  display: none;
}

/* Math symbol styles */
.katex-symbol,
.katex sup, .katex sub {
  font-family: 'SimHei', 'Microsoft YaHei', 'Arial Unicode MS', 'Times New Roman', Times, serif;
  font-style: normal;
  padding: 0 0.1em;
}

/* Superscript and subscript */
.katex sup {
  font-size: 0.75em;
  vertical-align: 0.25em;
  margin-left: 0.1em;
}

.katex sub {
  font-size: 0.75em;
  vertical-align: -0.25em;
  margin-left: 0.1em;
}

.katex-text {
  font-family: KaTeX_Main, 'Times New Roman', Times, serif;
}

/* Subscript and superscript */
.katex-subscript {
  font-size: 0.75em;
  vertical-align: -0.25em;
  margin-left: 0.16667em;
  margin-right: 0.16667em;
}

.katex-superscript {
  font-size: 0.75em;
  vertical-align: 0.25em;
  margin-left: 0.16667em;
  margin-right: 0.16667em;
}

/* Fractions */
.katex-fraction {
  display: inline-block;
  text-align: center;
  vertical-align: 0.2em;
  padding: 0 0.4em;
  margin: 0 0.2em;
}

.katex-fraction > .katex-numerator {
  display: block;
  border-bottom: 1.5px solid #000;
  padding: 0.3em 0.3em;
  font-size: 1em;
}

.katex-fraction > .katex-denominator {
  display: block;
  padding: 0.3em 0.3em;
  font-size: 1em;
}

/* Square root */
.katex-sqrt {
  display: inline-flex;
  align-items: center;
}

.katex-sqrt > .katex-sqrt-root {
  display: inline-block;
  border-top: 1px solid #000;
  border-left: 1px solid #000;
  padding-left: 0.15em;
  margin-left: 0.1em;
}

/* Nth root */
.katex-nthroot {
  display: inline-flex;
  align-items: center;
}

.katex-nthroot-index {
  font-size: 0.7em;
  vertical-align: top;
  margin-right: 0.1em;
}

.katex-nthroot-root {
  display: inline-block;
  border-top: 1px solid #000;
  border-left: 1px solid #000;
  padding-left: 0.15em;
}

/* Delimiters */
.katex-left, .katex-right {
  font-family: KaTeX_Size1;
  font-size: 1.2em;
}

/* Operators */
.katex-op {
  font-family: KaTeX_Main;
}

/* Arrays and matrices */
.katex-arraycolsep {
  display: inline-block;
  width: 0.5em;
}

/* Inline math styling */
.katex-inline {
  font-size: 1em;
  display: inline;
  vertical-align: middle;
  padding: 0 0.1em;
}

/* Display math styling */
.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5em 0;
}

/* Text command */
.katex-text {
  font-family: 'SimHei', 'Microsoft YaHei', 'Arial Unicode MS', sans-serif;
  font-style: normal;
  font-size: 1em;
  line-height: 1.5;
  padding: 0 0.2em;
}

/* Cases environment */
.katex-cases {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  border-left: 2px solid #000;
  padding-left: 0.5em;
  margin-left: 0.5em;
}

.katex-case-row {
  padding: 0.2em 0;
  display: flex;
  align-items: center;
}

.katex-case-condition {
  flex: 1;
}

.katex-case-value {
  margin-left: 0.5em;
  font-size: 0.9em;
  color: #666;
}

/* Matrix styles */
.katex-matrix {
  display: inline-flex;
  flex-direction: column;
  padding: 0.2em 0;
  border-left: 2px solid #000;
  padding-left: 0.5em;
}

.katex-matrix-dots {
  font-size: 0.9em;
  text-align: center;
}

/* Binomial coefficient */
.katex-binom {
  display: inline-flex;
  flex-direction: column;
  text-align: center;
  margin: 0 0.2em;
  border-left: 1px solid #000;
  padding-left: 0.2em;
}

.katex-binom-top,
.katex-binom-bottom {
  padding: 0 0.2em;
}

.katex-binom-bottom {
  border-top: 1px solid #000;
}

/* Matrix */
.katex-matrix {
  display: inline-block;
  font-size: 0.95em;
  padding: 0.1em 0.3em;
}

.katex-matrix > br {
  margin: 0.1em 0;
}

/* Operator */
.katex-operator {
  font-family: 'SimHei', 'Microsoft YaHei', 'Arial Unicode MS', 'Times New Roman', serif;
  font-style: normal;
  padding: 0 0.1em;
  font-weight: normal;
}

/* Parentheses and brackets */
.katex-paren,
.katex-bracket,
.katex-brace {
  font-family: KaTeX_Size1;
  font-size: 1.1em;
}

/* Arrow symbols */
.katex-symbol {
  font-style: normal;
}

/* Superscript and subscript adjustments */
.katex-op > .katex-superscript,
.katex-op > .katex-subscript {
  font-size: 0.7em;
}

/* Integral limits */
.katex-op > .katex-subscript {
  vertical-align: -0.4em;
  margin-left: 0;
  margin-right: 0;
}

/* Summation limits */
.katex-op.katex-symbol > .katex-subscript {
  vertical-align: -0.4em;
  margin-left: 0;
  margin-right: 0;
}