/* ============================================================
   code-blocks.css  —  Rendered code panels, syntax‐highlighting
   tokens, copy button, and collapse/expand toggle.
   ============================================================ */

/* --- Code Shell (wraps label + window) --- */

.docs-code-shell {
  padding: 0;
  background: var(--vui-bg-elevated);
}

.docs-code-window {
  background: var(--vui-bg-elevated);
  overflow: hidden;
  min-width: 0;
}

/* --- Code Stack (side-by-side HTML + CSS) --- */

.docs-code-stack {
  display: grid;
  min-width: 0;
}

.docs-code-stack.has-two-blocks {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* --- Individual Code Block --- */

.docs-code-block + .docs-code-block {
  border-top: 1px solid var(--vui-border-subtle);
}

.docs-code-block {
  min-width: 0;
}

.docs-code-stack.has-two-blocks .docs-code-block + .docs-code-block {
  border-top: none;
  border-left: 1px solid var(--vui-border-subtle);
}

/* --- Code Block Header (label + actions) --- */

.docs-code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--vui-bg-surface);
  border-bottom: 1px solid var(--vui-border-subtle);
}

.docs-code-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* --- Code Label with coloured dot --- */

.docs-code-block .docs-code-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--vui-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vui-fg);
}

.docs-code-block .docs-code-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.9;
}

.docs-code-block.is-css .docs-code-label {
  color: #0f766e;
}

.docs-code-block.is-html .docs-code-label {
  color: #be185d;
}

/* --- Code content (<pre> + <code>) --- */

.docs-code-block pre {
  margin: 0;
  max-width: 100%;
  padding: 18px 20px 22px;
  font-family: var(--vui-font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--vui-fg);
  background: var(--vui-bg-elevated);
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}

.docs-code-block code {
  color: inherit;
}

/* --- Copy Button --- */

.docs-copy-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--vui-border);
  border-radius: 999px;
  background: var(--vui-bg-elevated);
  color: var(--vui-fg-muted);
  padding: 6px 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--vui-duration) var(--vui-easing),
              border-color var(--vui-duration) var(--vui-easing),
              color var(--vui-duration) var(--vui-easing);
}

.docs-copy-btn:hover {
  background: var(--vui-bg-surface);
  border-color: var(--vui-border-strong);
  color: var(--vui-fg);
}

.docs-copy-btn.is-copied {
  color: #bbf7d0;
  border-color: rgba(34, 197, 94, 0.45);
}

.docs-copy-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.9rem;
  height: 0.9rem;
  font-size: 0.8rem;
  line-height: 1;
}

.docs-copy-text {
  display: inline-block;
}

/* --- Toggle (Show More / Show Less) Button --- */

.docs-toggle-btn {
  appearance: none;
  border: 1px solid var(--vui-border);
  border-radius: 999px;
  background: var(--vui-bg-elevated);
  color: var(--vui-fg-muted);
  padding: 6px 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--vui-duration) var(--vui-easing),
              border-color var(--vui-duration) var(--vui-easing),
              color var(--vui-duration) var(--vui-easing);
}

.docs-toggle-btn:hover {
  background: var(--vui-bg-surface);
  border-color: var(--vui-border-strong);
  color: var(--vui-fg);
}

.docs-code-toggle-row {
  display: flex;
  justify-content: center;
  padding: 0 20px 18px;
  background: var(--vui-bg-elevated);
}

.docs-code-toggle-row.is-legacy {
  padding-top: 4px;
}

/* --- Collapsible code blocks --- */

.docs-code-block.is-collapsible pre,
.docs-code.is-collapsible > pre {
  position: relative;
  transition: max-height var(--vui-duration) var(--vui-easing);
}

.docs-code-block.is-collapsed pre {
  max-height: 30rem;
  overflow: hidden;
}

.docs-code.is-collapsed > pre {
  max-height: 30rem;
  overflow: hidden;
}

.docs-code-block.is-collapsed pre::after,
.docs-code.is-collapsed > pre::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 64px;
  pointer-events: none;
}

.docs-code-block.is-collapsed pre::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--vui-bg-elevated));
}

.docs-code.is-collapsed > pre::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--vui-bg-elevated));
}

.docs-code-block.is-expanded pre,
.docs-code.is-expanded > pre {
  max-height: none;
}

/* --- Scrollbar styling --- */

.docs-code-block pre::-webkit-scrollbar {
  height: 10px;
}

.docs-code-block pre::-webkit-scrollbar-track {
  background: #e2e8f0;
}

.docs-code-block pre::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 999px;
}

.docs-code-block pre::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* --- Syntax Highlighting Tokens --- */

.token.comment    { color: #64748b; }
.token.tag,
.token.selector,
.token.at-rule    { color: #0f766e; }
.token.attr-name,
.token.property,
.token.variable   { color: #be185d; }
.token.attr-value,
.token.string     { color: #15803d; }
.token.number,
.token.function   { color: #b45309; }
.token.punctuation { color: #475569; }