/* ============================================================================
   CODE BLOCKS ENHANCED - Blog V2
   Blocos de código + scroll features
   Extracted from blog-v2.css
   ============================================================================ */

.code-block-wrapper {
  position: relative;
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
}

.code-block-wrapper.collapsed {
  /* border-bottom: 1px solid #333; */
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  color: #e0e0e0;
  font-family: monospace;
  font-size: 0.85rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.code-block-language {
  text-transform: uppercase;
  font-weight: bold;
  color: #aaa;
  font-size: 0.75rem;
}

.code-block-actions {
  display: flex;
  gap: 8px;
}

.code-copy-btn,
.code-collapse-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: #aaa;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s;
  line-height: 1;
}

.code-copy-btn:hover,
.code-collapse-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.code-copy-btn.is-copied {
  color: #4caf50;
  border-color: #4caf50;
  background: rgba(76, 175, 80, 0.1);
}

/* Ensure pre has no margin inside wrapper */
.code-block-wrapper pre {
  margin: 0 !important;
  border-radius: 0 !important;
  border: none !important;
  max-height: none; /* Default, can be overridden by inline style */
}

/* Scrollbar for code blocks */
.code-block-wrapper pre::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.code-block-wrapper pre::-webkit-scrollbar-track {
  background: #1e1e1e;
}

.code-block-wrapper pre::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 4px;
}

.code-block-wrapper pre::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Folding UI */
.code-line { white-space: pre; font-family: var(--font-mono); font-size: 0.92rem; padding: 0 12px; }
.fold-toggle { background: transparent; border: none; color: var(--c-text-dim); cursor: pointer; padding: 0 8px; margin-left: 6px; font-size: 1.1rem; vertical-align: middle; }
.fold-toggle.is-folded { color: var(--c-accent); }
.folded-region { display: block; }
.folded-region .code-line { padding-left: 24px; opacity: 0.95; }
.fold-toggle:focus { outline: 2px solid var(--c-accent-glow); border-radius: 4px; }

/* ============================================================================
   CLICK-TO-SCROLL FOR CODE BLOCKS
   ============================================================================ */

/* Scroll locked state */
.code-block-wrapper.scroll-locked {
  position: relative;
  cursor: pointer;
}

.code-block-wrapper.scroll-locked::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  pointer-events: none;
}

.code-block-wrapper.scroll-locked pre {
  overflow: hidden !important;
  touch-action: none !important;
  user-select: none !important;
  -webkit-user-select: none !important;
}

/* Scroll enabled state */
.code-block-wrapper.scroll-enabled {
  outline: 2px solid var(--c-accent, #00d4aa);
  outline-offset: 2px;
  border-radius: 10px;
}

.code-block-wrapper.scroll-enabled pre {
  overflow: auto !important;
  touch-action: pan-x pan-y !important;
  user-select: text !important;
  -webkit-user-select: text !important;
}

/* Scroll hint overlay */
.code-scroll-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 10;
  pointer-events: none;
  animation: fadeInHint 0.3s ease;
}

.code-scroll-hint__content {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #fff;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.code-scroll-hint__content svg {
  color: var(--c-accent, #00d4aa);
  flex-shrink: 0;
}

.code-scroll-hint.fade-out {
  animation: fadeOutHint 0.3s ease forwards;
}

@keyframes fadeInHint {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOutHint {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Mobile: make hint more prominent */
@media (max-width: 768px) {
  .code-scroll-hint {
    bottom: 12px;
    right: 12px;
  }
  
  .code-scroll-hint__content {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  
  .code-block-wrapper.scroll-enabled {
    outline-width: 3px;
  }
}

/* Touch device optimization */
@media (hover: none) and (pointer: coarse) {
  .code-scroll-hint__content span {
    content: 'Toque para ativar scroll';
  }
  
  .code-block-wrapper.scroll-locked {
    -webkit-tap-highlight-color: transparent;
  }
}