/*
 * TarranJones.com - Professional Code Examples Platform
 * Modern, clean design inspired by GitHub, Stripe, and Vercel
 */

/* ========================================
   ROOT VARIABLES
   ======================================== */
:root {
    /* Colors - Professional palette */
    --color-bg: #0d1117;
    --color-surface: #161b22;
    --color-surface-hover: #1c2128;
    --color-border: #30363d;
    --color-border-hover: #484f58;

    /* Text */
    --color-text: #c9d1d9;
    --color-text-muted: #8b949e;
    --color-text-subtle: #6e7681;

    /* Accent colors */
    --color-primary: #58a6ff;
    --color-primary-hover: #79c0ff;
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-danger: #f85149;

    /* Window colors */
    --color-window-bg: #1e1e1e;
    --color-window-titlebar: #2d2d2d;
    --color-window-border: #3e3e42;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 25px 70px rgba(0, 0, 0, 0.6);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ========================================
   HEADER
   ======================================== */
header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(22, 27, 34, 0.8);
}

header .header-content {
    margin-bottom: var(--spacing-md);
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.025em;
}

header .tagline {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

header nav {
    display: flex;
    gap: var(--spacing-sm);
}

header nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
}

header nav a:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

header nav a.active {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--color-primary-hover);
}

.breadcrumb .separator {
    color: var(--color-text-subtle);
}

.breadcrumb .current {
    color: var(--color-text);
    font-weight: 500;
}

/* ========================================
   EXAMPLE HEADER
   ======================================== */
.example-header {
    margin-bottom: var(--spacing-2xl);
}

.example-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-php {
    background: rgba(88, 166, 255, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(88, 166, 255, 0.2);
}

.badge-function {
    background: rgba(63, 185, 80, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(63, 185, 80, 0.2);
}

.example-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 48rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: var(--color-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    transition: all 0.2s;
}

.tag:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface-hover);
}

/* ========================================
   CONTROLS
   ======================================== */
.controls {
    margin: var(--spacing-2xl) 0;
    display: flex;
    justify-content: flex-end;
}

.toggle-eol {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.2s;
}

.toggle-eol:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.toggle-eol input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-border);
    border-radius: 99px;
    transition: all 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-eol input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-eol input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-label {
    font-size: 0.9rem;
    font-weight: 500;
    user-select: none;
}

/* ========================================
   VERSION TABS
   ======================================== */
.version-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: 0;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
}

.version-tab {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: all 0.2s;
}

.version-tab:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.version-tab.active {
    background: var(--color-window-titlebar);
    border-color: var(--color-primary);
    color: var(--color-primary);
    z-index: 1;
}

.version-tab.eol::after {
    content: 'EOL';
    position: absolute;
    top: -6px;
    right: -6px;
    padding: 2px 6px;
    background: var(--color-danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.version-tab.hidden {
    display: none;
}

/* ========================================
   CODE WINDOW - macOS Style
   ======================================== */
.code-window {
    background: var(--color-window-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-window-border);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-2xl);
    transition: transform 0.3s, box-shadow 0.3s;
}

.code-window:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(88, 166, 255, 0.1);
}

/* Window Titlebar */
.window-titlebar {
    background: var(--color-window-titlebar);
    border-bottom: 1px solid var(--color-window-border);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.window-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: opacity 0.2s;
}

.window-control.close { background: #ff5f57; }
.window-control.minimize { background: #febc2e; }
.window-control.maximize { background: #28c840; }

.window-control:hover {
    opacity: 0.8;
}

.window-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.window-actions {
    margin-left: auto;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(88, 166, 255, 0.1);
    color: var(--color-primary);
}

.icon-btn:active {
    transform: scale(0.95);
}

/* Code Info Bar */
.code-info-bar {
    background: #1a1a1a;
    border-bottom: 1px solid var(--color-window-border);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.code-language {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.code-stats {
    font-size: 0.75rem;
    color: var(--color-text-subtle);
}

/* Code Content */
.code-content {
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    padding: var(--spacing-xl);
    background: var(--color-window-bg) !important;
}

.code-content code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* Highlight.js overrides */
.hljs {
    background: var(--color-window-bg) !important;
    padding: 0 !important;
}

/* ========================================
   ADVERTISEMENTS
   ======================================== */
.ad-container {
    max-width: 1280px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-xl);
}

.ad-placeholder {
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-text-subtle);
    font-size: 0.875rem;
}

/* ========================================
   BENCHMARK SECTION
   ======================================== */
.benchmark-section {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.benchmark-section h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.benchmark-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xs);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    width: fit-content;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

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

.benchmark-view {
    display: none;
}

.benchmark-view.active {
    display: block;
}

#performanceChart {
    max-height: 400px;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

#benchmark-data-table {
    width: 100%;
    border-collapse: collapse;
}

#benchmark-data-table th,
#benchmark-data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

#benchmark-data-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-primary);
}

#benchmark-data-table tr:last-child td {
    border-bottom: none;
}

#benchmark-data-table tr:hover td {
    background: var(--color-surface-hover);
}

.benchmark-analysis {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-left: 3px solid var(--color-success);
    border-radius: var(--radius-md);
}

.benchmark-analysis h3 {
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.benchmark-analysis p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

/* ========================================
   RELATED CONTENT
   ======================================== */
.related-content {
    margin: var(--spacing-2xl) 0;
}

.related-content > h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.related-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.related-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.related-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s;
}

.related-link:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.related-link .icon {
    font-size: 1.5rem;
}

.related-link h4 {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.related-link p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.empty-state {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-subtle);
    font-style: italic;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-primary-hover);
}

.footer-links span {
    color: var(--color-text-subtle);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .example-header h1 {
        font-size: 2rem;
    }

    .description {
        font-size: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .related-grid {
        grid-template-columns: 1fr;
    }
}