/* Code Highlighting Styles */
:root {
    --code-bg: #f8f9fa;
    --code-border: #e9ecef;
    --code-text: #212529;
    --code-comment: #6c757d;
    --code-keyword: #d73a49;
    --code-string: #032f62;
    --code-number: #005cc5;
    --code-function: #6f42c1;
    --code-variable: #e36209;
    --code-property: #22863a;
    --code-operator: #d73a49;
    --code-punctuation: #24292e;
    --code-line-highlight: rgba(255, 255, 255, 0.1);
    --code-selection: rgba(111, 66, 193, 0.1);
}

/* Dark theme variables */
[data-theme="dark"] {
    --code-bg: #1e1e1e;
    --code-border: #3c3c3c;
    --code-text: #d4d4d4;
    --code-comment: #6a9955;
    --code-keyword: #569cd6;
    --code-string: #ce9178;
    --code-number: #b5cea8;
    --code-function: #dcdcaa;
    --code-variable: #9cdcfe;
    --code-property: #92c5f7;
    --code-operator: #d4d4d4;
    --code-punctuation: #d4d4d4;
}

/* Code container */
.code-container {
    margin: 1rem 0;
    border: 1px solid var(--code-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--code-bg);
    position: relative;
    transition: all 0.2s ease;
}

.code-container:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(111, 66, 193, 0.1);
}

/* Code header */
.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--code-border);
    font-size: 0.875rem;
}

.code-language {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.language-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
}

.language-name {
    text-transform: capitalize;
}

.code-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.code-action {
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.code-action:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.code-action.success {
    color: var(--success-color);
}

/* Code wrapper */
.code-wrapper {
    position: relative;
    overflow-x: auto;
}

/* Pre and code elements */
pre {
    margin: 0;
    padding: 1rem;
    font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--code-text);
    background: var(--code-bg);
    overflow-x: auto;
    white-space: pre;
    -webkit-overflow-scrolling: touch;
}

code {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: transparent;
    border: none;
    padding: 0;
}

/* Inline code */
:not(pre) > code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-size: 0.875em;
    font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    border: 1px solid var(--code-border);
}

/* Line numbers */
.has-line-numbers {
    display: flex;
}

.line-numbers {
    background: var(--gray-50);
    color: var(--text-tertiary);
    padding: 1rem 0.75rem;
    font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    border-right: 1px solid var(--code-border);
    user-select: none;
    min-width: 40px;
    text-align: right;
}

.line-number {
    display: block;
    white-space: nowrap;
}

/* Syntax highlighting classes */
.hljs {
    background: var(--code-bg);
    color: var(--code-text);
}

/* Keywords */
.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-section,
.hljs-link {
    color: var(--code-keyword);
    font-weight: 500;
}

/* Strings */
.hljs-string,
.hljs-subst,
.hljs-title,
.hljs-name,
.hljs-type,
.hljs-attribute,
.hljs-symbol,
.hljs-bullet,
.hljs-built_in,
.hljs-addition,
.hljs-variable,
.hljs-template-tag,
.hljs-template-variable {
    color: var(--code-string);
}

/* Comments */
.hljs-comment,
.hljs-quote,
.hljs-deletion,
.hljs-meta {
    color: var(--code-comment);
    font-style: italic;
}

/* Numbers */
.hljs-number,
.hljs-regexp,
.hljs-literal {
    color: var(--code-number);
}

/* Functions */
.hljs-function,
.hljs-title.function_,
.hljs-attr {
    color: var(--code-function);
}

/* Properties */
.hljs-property,
.hljs-attr {
    color: var(--code-property);
}

/* Variables */
.hljs-variable,
.hljs-params {
    color: var(--code-variable);
}

/* Operators */
.hljs-operator,
.hljs-punctuation {
    color: var(--code-operator);
}

/* Tags (HTML/XML) */
.hljs-tag {
    color: var(--code-keyword);
}

.hljs-tag .hljs-name {
    color: var(--code-function);
}

.hljs-tag .hljs-attr {
    color: var(--code-property);
}

/* Code block enhancements */
.code-enhanced pre {
    position: relative;
}

.code-enhanced pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

/* Selection */
.code-container ::selection {
    background: var(--code-selection);
}

.code-container ::-moz-selection {
    background: var(--code-selection);
}

/* Scrollbar */
.code-wrapper::-webkit-scrollbar {
    height: 8px;
}

.code-wrapper::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

.code-wrapper::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

.code-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Copy feedback animation */
@keyframes copySuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.code-action.success {
    animation: copySuccess 0.3s ease;
}

/* Code preview */
.code-preview {
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: white;
}

.code-preview-header {
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Responsive design */
@media (max-width: 768px) {
    .code-container {
        margin: 0.75rem 0;
        border-radius: 6px;
    }
    
    .code-header {
        padding: 0.5rem 0.75rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .code-actions {
        align-self: flex-end;
    }
    
    pre {
        padding: 0.75rem;
        font-size: 0.8125rem;
    }
    
    .line-numbers {
        padding: 0.75rem 0.5rem;
        min-width: 32px;
        font-size: 0.8125rem;
    }
    
    /* Hide some actions on mobile */
    .code-action.expand-btn,
    .code-action.download-btn {
        display: none;
    }
}

/* Print styles */
@media print {
    .code-container {
        break-inside: avoid;
        border: 1px solid #ccc;
        background: white !important;
    }
    
    .code-header {
        background: #f5f5f5 !important;
    }
    
    .code-actions {
        display: none;
    }
    
    pre {
        background: white !important;
        color: black !important;
    }
    
    .hljs-keyword { color: #000080 !important; }
    .hljs-string { color: #008000 !important; }
    .hljs-comment { color: #808080 !important; }
    .hljs-number { color: #800080 !important; }
}

/* Accessibility */
.code-container:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.code-action:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 1px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .code-container {
        border-width: 2px;
    }
    
    .code-header {
        border-bottom-width: 2px;
    }
    
    .code-action:hover {
        outline: 2px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .code-container,
    .code-action,
    .code-action.success {
        transition: none;
        animation: none;
    }
}

/* Language-specific enhancements */
.language-javascript .language-dot { background: #f7df1e; }
.language-python .language-dot { background: #3776ab; }
.language-java .language-dot { background: #ed8b00; }
.language-cpp .language-dot { background: #00599c; }
.language-csharp .language-dot { background: #239120; }
.language-php .language-dot { background: #777bb4; }
.language-ruby .language-dot { background: #cc342d; }
.language-go .language-dot { background: #00add8; }
.language-rust .language-dot { background: #000000; }
.language-html .language-dot { background: #e34f26; }
.language-css .language-dot { background: #1572b6; }
.language-sql .language-dot { background: #336791; }

/* Vote feedback for code suggestions */
.vote-feedback {
    position: absolute;
    top: -30px;
    right: 10px;
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.vote-feedback.show {
    opacity: 1;
    transform: translateY(0);
}

/* Code diff styles */
.code-diff .hljs-addition {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.code-diff .hljs-deletion {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

/* Code fold/expand */
.code-expanded {
    max-height: none;
}

.code-collapsed {
    max-height: 300px;
    overflow: hidden;
}

.code-expand-btn {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, var(--code-bg));
    padding: 2rem 1rem 1rem;
    text-align: center;
}

.code-expand-btn button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.code-expand-btn button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}