/* ============================================================
   code.css — Code blocks, copy button, syntax highlighting
   ============================================================ */

/* ── Code Block Wrapper ── */
.code-block {
  position: relative;
  margin: var(--space-6) 0;
  border-radius: var(--radius-md);
  background: var(--clr-code-bg);
  border: 1px solid var(--clr-code-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  /* Prevent the block from stretching beyond its containing column */
  max-width: 100%;
  min-width: 0;
}

/* ── Code Header Bar ── */
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: color-mix(in srgb, var(--clr-code-bg) 80%, #000);
  border-bottom: 1px solid var(--clr-code-border);
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--clr-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Copy Button ── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.copy-btn:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.2);
}

.copy-btn.copied {
  background: rgba(30, 167, 90, 0.2);
  border-color: rgba(30, 167, 90, 0.4);
  color: #4ade80;
}

.copy-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* ── Pre / Code ── */
.code-block pre {
  margin: 0;
  padding: var(--space-5);
  overflow-x: auto;
  background: transparent;
  border-radius: 0;
  border: none;
  box-shadow: none;

  /* Text styling — applied here so plain <pre> (no <code> child) is
     styled correctly. These apply in BOTH light and dark mode. */
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--clr-code-text);   /* light text on dark code-bg — always */
  white-space: pre;
  tab-size: 2;

  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.code-block pre::-webkit-scrollbar {
  height: 5px;
}
.code-block pre::-webkit-scrollbar-track {
  background: transparent;
}
.code-block pre::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
}

/* Only needed if a <code> element is explicitly used inside <pre> */
.code-block pre code {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  background: transparent;
  padding: 0;
  border: none;
  border-radius: 0;
  white-space: inherit;
  tab-size: inherit;
}

/* ── Bare pre (without wrapper) — legacy compat ── */
pre:not(.code-block pre) {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  background: var(--clr-code-bg);
  color: var(--clr-code-text);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-code-border);
  overflow-x: auto;
  margin: var(--space-6) 0;
  box-shadow: var(--shadow-md);
  white-space: pre;
  tab-size: 2;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
  /* Critical: constrain within parent so it doesn't break page layout on mobile */
  max-width: 100%;
  min-width: 0;
}

/* ── Syntax Highlight Tokens ── */
.tok-comment  { color: #7d7088; font-style: italic; }
.tok-string   { color: #a3e0b5; }
.tok-keyword  { color: #c49abd; font-weight: 600; }
.tok-number   { color: #f9b280; }
.tok-operator { color: #8ec4e8; }
.tok-fn       { color: #7db9e8; }
.tok-var      { color: #e2dce8; }
.tok-type     { color: #daa9d6; }
.tok-builtin  { color: #89dceb; }
.tok-path     { color: #b5e8b0; }
.tok-flag     { color: #f5c2b0; }
.tok-option   { color: #f5e0b0; }
.tok-value    { color: #a0d8b0; }
.tok-section  { color: #c49abd; font-weight: 600; }
.tok-key      { color: #8ec4e8; }
.tok-prompt   { color: #7d7088; user-select: none; }

/* ── Line numbers (optional) ── */
.code-block.has-line-numbers pre code {
  display: grid;
  counter-reset: line;
}
.code-block.has-line-numbers pre code .line {
  display: block;
  padding-left: 3.5em;
  position: relative;
}
.code-block.has-line-numbers pre code .line::before {
  counter-increment: line;
  content: counter(line);
  position: absolute;
  left: 0;
  width: 2.5em;
  text-align: right;
  color: rgba(255,255,255,0.2);
  padding-right: 1em;
  user-select: none;
  font-size: 0.8em;
}

/* ── Highlighted lines ── */
.code-block pre .line-highlight {
  display: block;
  background: rgba(113, 75, 103, 0.15);
  border-left: 3px solid var(--clr-primary-light);
  margin: 0 calc(-1 * var(--space-5));
  padding: 0 var(--space-5);
}

/* ── Terminal / Shell style ── */
.code-block.shell pre code::before {
  content: none;
}

/* Shell prompt line indicator */
.code-block.shell .tok-prompt {
  color: rgba(255,255,255,0.25);
  margin-right: 8px;
}

/* ── Mobile: slightly smaller mono font for readability ── */
@media (max-width: 600px) {
  .code-block pre code,
  pre:not(.code-block pre) {
    font-size: 0.8rem;
  }

  /* Ensure the scroll indicator is always visible on mobile */
  .code-block pre::-webkit-scrollbar,
  pre:not(.code-block pre)::-webkit-scrollbar {
    height: 4px;
  }
}