/* ============================================================
   CODE BLOCKS — Syntax highlighted code display
   ============================================================ */

.inline-code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-code);
  color: #93c5fd;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-code);
}

.code-block {
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-code);
  background: var(--bg-code);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border-code);
}

.code-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.code-filename {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #94a3b8;
  background: rgba(255,255,255,.05);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.code-title {
  font-size: var(--text-sm);
  color: #94a3b8;
  font-weight: var(--weight-medium);
}

.code-header-right { display: flex; align-items: center; gap: var(--space-3); }

.code-lang-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  background: rgba(255,255,255,.04);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.06);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  color: #94a3b8;
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--dur-fast);
  font-family: var(--font-sans);
}

.copy-btn:hover {
  background: rgba(255,255,255,.1);
  color: #e2e8f0;
}

.copy-btn.copied {
  background: rgba(16,185,129,.15);
  border-color: rgba(16,185,129,.3);
  color: #10b981;
}

.copy-icon { width: 12px; height: 12px; }

.code-pre {
  margin: 0;
  padding: var(--space-5);
  overflow-x: auto;
  background: transparent;
}

.code-pre code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #e2e8f0;
  display: block;
}

/* ── Syntax highlighting ─────────────────────────────────── */
.token-keyword     { color: #c792ea; }
.token-string      { color: #c3e88d; }
.token-comment     { color: #546e7a; font-style: italic; }
.token-function    { color: #82aaff; }
.token-class-name  { color: #ffcb6b; }
.token-variable    { color: #f78c6c; }
.token-number      { color: #f78c6c; }
.token-operator    { color: #89ddff; }
.token-punctuation { color: #89ddff; }
.token-property    { color: #80cbc4; }
.token-tag         { color: #f07178; }
.token-attr-name   { color: #c792ea; }
.token-attr-value  { color: #c3e88d; }
.token-selector    { color: #c3e88d; }
.token-php         { color: #e2e8f0; }

/* line numbers */
.code-block--numbered .code-pre code {
  counter-reset: line;
}

.code-block--numbered .code-pre code .line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 2.5em;
  margin-right: var(--space-4);
  color: #3d4f5c;
  text-align: right;
  user-select: none;
}

/* diff highlighting */
.line--added    { background: rgba(16,185,129,.1); }
.line--removed  { background: rgba(239,68,68,.1); }
.line--added::before   { color: #10b981 !important; }
.line--removed::before { color: #ef4444 !important; }

/* collapse long blocks */
.code-block--collapsible .code-pre {
  max-height: 380px;
  overflow: hidden;
  position: relative;
}

.code-block--collapsible.expanded .code-pre { max-height: none; }

.code-block__expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2);
  background: linear-gradient(transparent, var(--bg-code));
  border: none;
  border-top: 1px solid var(--border-code);
  color: #64748b;
  font-size: var(--text-xs);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--dur-fast);
}

.code-block__expand-btn:hover { color: #94a3b8; }

/* Tab group */
.tab-group { margin: var(--space-6) 0; }

.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-code);
  background: var(--bg-code);
  padding: 0 var(--space-4);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tab-btn {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: #64748b;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--dur-fast);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.tab-btn:hover { color: #94a3b8; }
.tab-btn.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); }

.tab-body {
  background: var(--bg-code);
  border: 1px solid var(--border-code);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel .code-block {
  margin: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
}