/* SQL Syntax Highlighting Enhancement (Optional)
 * Add this to prettifysql.css if you want colored syntax highlighting
 */

/* SQL Keyword Highlighting */
.code-output .sql-keyword {
    color: #569cd6; /* Blue for keywords */
    font-weight: 600;
}

.code-output .sql-function {
    color: #dcdcaa; /* Yellow for functions */
}

.code-output .sql-string {
    color: #ce9178; /* Orange for strings */
}

.code-output .sql-number {
    color: #b5cea8; /* Green for numbers */
}

.code-output .sql-comment {
    color: #6a9955; /* Green for comments */
    font-style: italic;
}

.code-output .sql-operator {
    color: #d4d4d4; /* White/gray for operators */
}

.code-output .sql-table {
    color: #4ec9b0; /* Cyan for table names */
}

.code-output .sql-column {
    color: #9cdcfe; /* Light blue for columns */
}

/* Enhanced Code Block Styling */
.code-output {
    color: #d4d4d4;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Line Numbers (Optional Enhancement) */
.code-output.with-line-numbers {
    counter-reset: line;
}

.code-output.with-line-numbers::before {
    counter-increment: line;
    content: counter(line);
    display: inline-block;
    width: 3em;
    padding-right: 1em;
    margin-right: 1em;
    text-align: right;
    color: #858585;
    border-right: 1px solid #404040;
    user-select: none;
}

/* SQL Formatting Examples */
/*
BEFORE:
SELECT id,name,email FROM users WHERE status='active' AND role='admin' ORDER BY created_at DESC

AFTER:
SELECT id, name, email
FROM users
WHERE status = 'active'
    AND role = 'admin'
ORDER BY created_at DESC
*/

/* Animation for Syntax Highlighting */
@keyframes highlightFade {
    from {
        background-color: rgba(99, 102, 241, 0.3);
    }
    to {
        background-color: transparent;
    }
}

.code-output .highlight {
    animation: highlightFade 1s ease-out;
}

/* Code Block Actions Bar */
.code-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.output-box:hover .code-actions {
    opacity: 1;
}

.code-action-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.code-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Copy Code Button Enhancement */
.btn-copy-code {
    position: relative;
}

.btn-copy-code::after {
    content: 'Copied!';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.btn-copy-code.copied::after {
    transform: translateX(-50%) scale(1);
    opacity: 1;
}

/* SQL Error Highlighting */
.sql-error {
    background-color: rgba(239, 68, 68, 0.2);
    border-left: 3px solid var(--danger-color);
    padding: 0.5rem;
    margin: 0.5rem 0;
    border-radius: 4px;
}

.sql-error-message {
    color: var(--danger-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* SQL Formatting Statistics */
.format-stats {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Tooltip for SQL Functions */
.sql-tooltip {
    position: relative;
    cursor: help;
}

.sql-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    background: var(--dark-color);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sql-tooltip:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}

/* Code Folding (Advanced Feature) */
.code-fold-marker {
    cursor: pointer;
    user-select: none;
    color: var(--gray-500);
    margin-right: 0.5rem;
}

.code-fold-marker:hover {
    color: var(--primary-color);
}

.code-folded {
    display: none;
}

/* SQL Dialect Selector */
.sql-dialect-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.dialect-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-300);
    background: white;
    color: var(--gray-700);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.dialect-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.dialect-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Print-Friendly SQL Output */
@media print {
    .code-output {
        background: white !important;
        color: black !important;
        font-size: 10pt;
        line-height: 1.5;
    }
    
    .code-output .sql-keyword {
        color: black;
        font-weight: bold;
    }
    
    .code-output .sql-string {
        color: black;
    }
    
    .code-output .sql-comment {
        color: #666;
    }
}

/* Dark Theme Variables (Optional) */
.dark-theme {
    --primary-color: #818cf8;
    --background-color: #1f2937;
    --text-color: #f9fafb;
    --border-color: #374151;
}

.dark-theme .output-box {
    background: #111827;
}

.dark-theme .code-output {
    color: #e5e7eb;
}

/* Accessibility: High Contrast Mode */
@media (prefers-contrast: high) {
    .code-output {
        border: 2px solid currentColor;
    }
    
    .sql-keyword {
        text-decoration: underline;
    }
}

/* Performance Optimization */
.code-output {
    will-change: contents;
    contain: content;
}

/* Smooth Scrolling for Code Blocks */
.output-box {
    scroll-behavior: smooth;
}

/* Code Block Loading State */
.code-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.code-loading::before {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}