.code-block-wrap {
  position: relative;
  margin: 1.75rem 0;
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #0a0e14;
  box-shadow: var(--shadow-card);
}

.code-block-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.9rem;
  background: #0e131b;
  border-bottom: 1px solid var(--clr-border);
}

.code-block-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}

.code-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1;
}
.code-copy-btn:hover {
  color: var(--clr-text);
  border-color: var(--clr-accent);
}
.code-copy-btn:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}
.code-copy-btn svg { flex-shrink: 0; display: block; }
.code-copy-btn .copy-check { display: none; }
.code-copy-btn.copied {
  color: #0a0e14;
  background: var(--clr-accent);
  border-color: var(--clr-accent);
}
[data-theme="light"] .code-copy-btn.copied { color: #fff; }
.code-copy-btn.copied .copy-icon { display: none; }
.code-copy-btn.copied .copy-check { display: block; }

.code-block-wrap pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  padding: 0 !important;
}
.code-block-wrap pre code.hljs {
  display: block;
  padding: 1.1rem 1.4rem !important;
  background: transparent !important;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #cdd6f4;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.lesson-content code:not(.hljs) {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--clr-accent);
  background: var(--clr-surface-2);
  border-radius: 4px;
  padding: 0.15em 0.4em;
}

.code-block-wrap pre code:not(.hljs) {
  display: block;
  background: none !important;
  border: none !important;
  padding: 1.1rem 1.4rem !important;
  border-radius: 0 !important;
  color: #cdd6f4 !important;
  font-size: 0.875rem;
  overflow-x: auto;
}

.hljs-keyword,
.hljs-built_in,
.hljs-type,
.hljs-literal { color: #cba6f7; }

.hljs-string,
.hljs-attr-value,
.hljs-addition { color: #7dd3fc; }

.hljs-comment,
.hljs-quote { color: #7f849c; font-style: italic; }

.hljs-title,
.hljs-title.function_,
.hljs-title.class_,
.hljs-section { color: #89b4fa; }

.hljs-number { color: #fab387; }

.hljs-variable,
.hljs-attr,
.hljs-params,
.hljs-template-variable { color: #89dceb; }

.hljs-symbol,
.hljs-bullet,
.hljs-link,
.hljs-meta,
.hljs-selector-id,
.hljs-selector-class { color: #f9e2af; }

.hljs-tag,
.hljs-name,
.hljs-selector-tag { color: #f38ba8; }

.hljs-deletion { color: #f38ba8; }
.hljs-regexp,
.hljs-punctuation,
.hljs-operator { color: #a6b8e8; }

.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 700; }
.hljs-doctag { font-weight: 700; color: #cba6f7; }

[data-theme="light"] .code-block-wrap {
  background: #1a2230;
  border-color: rgba(0,0,0,0.12);
}
[data-theme="light"] .code-block-toolbar {
  background: #212b3b;
  border-color: rgba(255,255,255,0.06);
}
[data-theme="light"] .lesson-content code:not(.hljs) {
  color: #0a1220;
  background: #e8ebf4;
}

@media (max-width: 600px) {
  .code-block-wrap pre code.hljs,
  .code-block-wrap pre code:not(.hljs) { padding: 0.9rem 1rem !important; font-size: 0.82rem; }
  .code-copy-btn span { display: none; }
  .code-copy-btn { padding: 0.35rem; }
}