.mpe-code-shell {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  margin: 0;
}

.mpe-code-block {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #30363d;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}

.mpe-code-header {
  display: block;
  width: fit-content;
  padding: 5px 10px;
  background: #3a424d;
  border: 1px solid #30363d;
  border-radius: 8px 8px 0 0;
  margin-bottom: 0;
  color: #c9d1d9;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
}

.mpe-code-shell-has-header .mpe-code-block {
  border-top: 0;
  border-top-left-radius: 0;
}

.mpe-code-body pre,
.mpe-code-body .shiki {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  border-radius: 0;
  overflow: auto;
}

.mpe-code-body .shiki {
  padding: 14px 16px;
  line-height: 1.3;
}

.mpe-code-body .shiki code {
  display: block;
  line-height: 0;
}

.mpe-code-body .shiki .line {
  display: block;
  line-height: 1.3;
}

.mpe-code-body .shiki .mpe-diff-line {
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: calc(100% + 32px);
  margin: 0 -16px;
  padding: 0 16px;
  line-height: 1.3;
}

.mpe-code-body .shiki .mpe-diff-marker,
.mpe-code-body .shiki .mpe-diff-content {
  display: block;
}

.mpe-code-body .shiki .mpe-diff-marker {
  flex: 0 0 auto;
  width: auto;
  user-select: none;
  opacity: 0.9;
}

.mpe-code-body .shiki .mpe-diff-content {
  flex: 1 1 auto;
  min-width: 0;
}

.mpe-code-body .shiki .mpe-diff-add {
  background: rgba(46, 160, 67, 0.18);
}

.mpe-code-body .shiki .mpe-diff-remove {
  background: rgba(248, 81, 73, 0.18);
}

.mpe-code-body .shiki .mpe-diff-meta {
  background: rgba(56, 139, 253, 0.14);
}

.mpe-code-body {
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.mpe-code-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  opacity: 0;
  pointer-events: none;
  border: 1px solid #4b5563;
  background: rgba(58, 66, 77, 0.92);
  color: #d1d5db;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  line-height: 1.2;
  cursor: pointer;
  transition: opacity 0.15s ease;
  z-index: 2;
}

.mpe-code-shell:hover .mpe-code-copy,
.mpe-code-copy:focus {
  opacity: 1;
  pointer-events: auto;
}

.mpe-code-body code {
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
}

.mpe-math-block {
  margin: 16px 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.mpe-math-block .katex-display {
  margin: 0;
}

.mpe-math-inline {
  display: inline-block;
  vertical-align: middle;
}

.mpe-math-block.mpe-math-error {
  font-family: Consolas, Monaco, monospace;
  white-space: pre-wrap;
}

.mpe-math-inline.mpe-math-error {
  font-family: Consolas, Monaco, monospace;
}