/**
 * Code Syntax Highlighting Styles
 *
 * Custom styling for Prism.js code blocks with copy button
 * Includes dark/light mode support matching the site theme
 */

/* ============================================================================
   Code Block Wrapper & Container
   ========================================================================== */

.code-block-wrapper {
  position: relative;
  margin: 1.5rem 0;
  border-radius: var(--radius-lg, 0.75rem);
  overflow: visible; /* Allow copy button to break out on single-row blocks */
  background: var(--neutral-900, #18181b);
  border: 1px solid var(--site-border, rgba(161, 161, 170, 0.22));
}

.code-block-wrapper pre {
  margin: 0;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  overflow-y: hidden; /* Prevent vertical overflow while allowing horizontal scroll */
  background: transparent !important;
  border-radius: var(--radius-lg, 0.75rem); /* Match wrapper radius for clean edges */
}

.code-block-wrapper pre code {
  display: block;
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.875rem;
  line-height: 1.7;
  background: transparent !important;
  padding: 0;
  color: var(--neutral-100, #f4f4f5);
}

/* ============================================================================
   Copy Button Styles
   ========================================================================== */

.code-copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  background: rgba(39, 39, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--site-border, rgba(161, 161, 170, 0.22));
  border-radius: var(--radius-md, 0.5rem);
  color: var(--neutral-400, #a1a1aa);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-sans, 'Inter', sans-serif);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  z-index: 10;
  user-select: none;
}

/* Show button on hover */
.code-block-wrapper:hover .code-copy-btn {
  opacity: 1;
  transform: translateY(0);
}

/* Button hover state */
.code-copy-btn:hover {
  background: rgba(39, 39, 42, 0.95);
  border-color: var(--accent-primary, #8b87c5);
  color: var(--neutral-200, #e4e4e7);
}

/* Button active/focus state */
.code-copy-btn:active,
.code-copy-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb, 139, 135, 197), 0.3);
}

/* Button copied state */
.code-copy-btn.copied {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--emerald-500, #10b981);
  color: var(--emerald-500, #10b981);
}

/* ============================================================================
   Copy Button Icons & Text
   ========================================================================== */

.code-copy-icon,
.code-copy-text {
  display: inline-block;
}

.code-copy-icon-success,
.code-copy-text-success {
  display: none;
}

/* Show success icon/text when copied */
.code-copy-btn.copied .code-copy-icon,
.code-copy-btn.copied .code-copy-text {
  display: none;
}

.code-copy-btn.copied .code-copy-icon-success,
.code-copy-btn.copied .code-copy-text-success {
  display: inline-block;
}

.code-copy-icon,
.code-copy-icon-success {
  flex-shrink: 0;
}

/* ============================================================================
   Prism Theme Overrides for Dark Mode (Tomorrow Night)
   ========================================================================== */

/* Base token colors for dark mode */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--neutral-500, #71717a);
}

.token.punctuation {
  color: var(--neutral-400, #a1a1aa);
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: #f97583;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #b392f0;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
  color: #79b8ff;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #ffab70;
}

.token.function,
.token.class-name {
  color: #79b8ff;
}

.token.regex,
.token.important,
.token.variable {
  color: #ffab70;
}

/* ============================================================================
   Light Mode Overrides
   ========================================================================== */

[data-theme="light"] .code-block-wrapper {
  background: var(--neutral-50, #fafafa);
  border-color: var(--neutral-300, #d4d4d8);
}

[data-theme="light"] .code-block-wrapper pre code {
  color: var(--neutral-900, #18181b);
}

[data-theme="light"] .code-copy-btn {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--neutral-600, #52525b);
  border-color: var(--neutral-300, #d4d4d8);
}

[data-theme="light"] .code-copy-btn:hover {
  background: rgba(255, 255, 255, 1);
  border-color: var(--accent-primary-dark, #6b68a0);
  color: var(--neutral-800, #27272a);
}

[data-theme="light"] .code-copy-btn.copied {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--emerald-600, #059669);
  color: var(--emerald-700, #047857);
}

/* Light mode token colors (Prism Light theme) */
[data-theme="light"] .token.comment,
[data-theme="light"] .token.prolog,
[data-theme="light"] .token.doctype,
[data-theme="light"] .token.cdata {
  color: #6a737d;
}

[data-theme="light"] .token.punctuation {
  color: #24292e;
}

[data-theme="light"] .token.property,
[data-theme="light"] .token.tag,
[data-theme="light"] .token.boolean,
[data-theme="light"] .token.number,
[data-theme="light"] .token.constant,
[data-theme="light"] .token.symbol,
[data-theme="light"] .token.deleted {
  color: #d73a49;
}

[data-theme="light"] .token.selector,
[data-theme="light"] .token.attr-name,
[data-theme="light"] .token.string,
[data-theme="light"] .token.char,
[data-theme="light"] .token.builtin,
[data-theme="light"] .token.inserted {
  color: #6f42c1;
}

[data-theme="light"] .token.operator,
[data-theme="light"] .token.entity,
[data-theme="light"] .token.url,
[data-theme="light"] .language-css .token.string,
[data-theme="light"] .style .token.string {
  color: #005cc5;
}

[data-theme="light"] .token.atrule,
[data-theme="light"] .token.attr-value,
[data-theme="light"] .token.keyword {
  color: #d73a49;
}

[data-theme="light"] .token.function,
[data-theme="light"] .token.class-name {
  color: #6f42c1;
}

[data-theme="light"] .token.regex,
[data-theme="light"] .token.important,
[data-theme="light"] .token.variable {
  color: #e36209;
}

/* ============================================================================
   Prose Context Integration
   ========================================================================== */

/* When code blocks appear inside prose content */
.prose .code-block-wrapper {
  max-width: none;
}

.prose pre {
  background: transparent;
  border: none;
  margin: 0;
  padding: 0;
}

.prose code {
  font-family: var(--font-mono, 'Fira Code', monospace);
}

/* Inline code (not in pre blocks) */
.prose :not(pre) > code {
  background: rgba(139, 135, 197, 0.1);
  color: var(--accent-primary-light, #a39fd8);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm, 0.25rem);
  font-size: 0.875em;
  font-weight: 500;
  border: 1px solid rgba(139, 135, 197, 0.2);
}

[data-theme="light"] .prose :not(pre) > code {
  background: rgba(107, 104, 160, 0.08);
  color: var(--accent-primary-dark, #6b68a0);
  border-color: rgba(107, 104, 160, 0.2);
}

/* ============================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  .code-block-wrapper {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .code-block-wrapper pre {
    padding: 1rem;
    font-size: 0.8125rem;
    max-width: 100%;
  }

  .code-block-wrapper pre code {
    max-width: 100%;
    word-wrap: normal;
    white-space: pre;
  }

  .code-copy-btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.6875rem;
  }

  /* Always show copy button on mobile (no hover) */
  .code-copy-btn {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================================
   WordPress Block Support
   ========================================================================== */

/* Support for WordPress code blocks */
.wp-block-code {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
}

.wp-block-code code {
  display: block;
  background: transparent;
}

/* ============================================================================
   Accessibility
   ========================================================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .code-block-wrapper {
    border-width: 2px;
  }

  .code-copy-btn {
    border-width: 2px;
  }

  .code-copy-btn:focus {
    outline: 2px solid var(--accent-primary, #8b87c5);
    outline-offset: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .code-copy-btn {
    transition: none;
  }

  .code-copy-btn {
    transform: translateY(0);
  }
}