// Code Block Atoms - Material Design 3 (CSS Module)
// ==================================================
// Flat selectors for code block styling using M3 tokens

// Base code block
.codeBlock {
  background: var(--mat-sys-surface-container-highest);
  padding: 16px;
  border-radius: var(--mat-sys-corner-medium);
  overflow-x: auto;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: var(--mat-sys-body-small-size);
  line-height: 1.6;
  color: var(--mat-sys-on-surface);
}

.codeBlock code {
  background: transparent;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
}

// With header (filename, language badge)
.codeBlockWithHeader {
  composes: codeBlock;
  padding-top: 0;
}

.codeBlockHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--mat-sys-outline-variant);
}

.codeBlockFilename {
  font-family: var(--mat-sys-label-small-font);
  font-size: var(--mat-sys-label-small-size);
  color: var(--mat-sys-on-surface-variant);
}

.codeBlockLanguage {
  font-family: var(--mat-sys-label-small-font);
  font-size: var(--mat-sys-label-small-size);
  font-weight: var(--mat-sys-label-small-weight);
  color: var(--mat-sys-primary);
  text-transform: uppercase;
}

// Outlined variant
.codeBlockOutlined {
  composes: codeBlock;
  background: var(--mat-sys-surface);
  border: 1px solid var(--mat-sys-outline-variant);
}

// Elevated variant
.codeBlockElevated {
  composes: codeBlock;
  box-shadow: var(--mat-sys-level1);
}

// Line numbers
.codeBlockLineNumbers {
  composes: codeBlock;
  padding-left: 0;
}

.codeBlockLines {
  display: grid;
  grid-template-columns: auto 1fr;
}

.codeBlockLineNumber {
  padding: 0 16px;
  color: var(--mat-sys-on-surface-variant);
  opacity: 0.5;
  font-size: var(--mat-sys-label-small-size);
  text-align: right;
  user-select: none;
  border-right: 1px solid var(--mat-sys-outline-variant);
  margin-right: 16px;
}

.codeBlockLineContent {
  white-space: pre;
}

// Highlighted line
.codeBlockLineHighlighted {
  background: color-mix(in srgb, var(--mat-sys-primary) 12%, transparent);
  margin: 0 -16px;
  padding: 0 16px;
}

// Copy button
.codeBlockCopy {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 8px;
  background: var(--mat-sys-surface-container);
  border: none;
  border-radius: var(--mat-sys-corner-small);
  color: var(--mat-sys-on-surface-variant);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard);
}

.codeBlock:hover .codeBlockCopy {
  opacity: 1;
}

.codeBlockCopy:hover {
  background: var(--mat-sys-surface-container-high);
}

// Wrapper for positioning
.codeBlockWrapper {
  position: relative;
}