/* ============================================
   METRICLY DOCUMENTATION - MODERN DESIGN
   ============================================ */

/* ============================================
   RESET & BASE
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root,
:root[data-theme="light"] {
    /* Color Palette - Light Theme */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #e9ecef;
    --color-bg-code: #f6f8fa;
    --color-bg-card: #ffffff;
    
    --color-text-primary: #0d1117;
    --color-text-secondary: #57606a;
    --color-text-tertiary: #6e7781;
    --color-text-code: #24292f;
    
    --color-border: #d0d7de;
    --color-border-subtle: #e5e8eb;
    
    --color-primary: #0969da;
    --color-primary-hover: #0550ae;
    --color-primary-light: #ddf4ff;
    
    --color-secondary: #6e7781;
    --color-secondary-hover: #57606a;
    
    --color-accent: #8250df;
    --color-accent-hover: #6639ba;
    
    --color-success: #1a7f37;
    --color-warning: #bf8700;
    --color-error: #cf222e;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-hero: linear-gradient(180deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
:root[data-theme="dark"] {
    --color-bg-primary: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-bg-code: #161b22;
    --color-bg-card: #161b22;
    
    --color-text-primary: #e6edf3;
    --color-text-secondary: #8b949e;
    --color-text-tertiary: #6e7681;
    --color-text-code: #e6edf3;
    
    --color-border: #30363d;
    --color-border-subtle: #21262d;
    
    --color-primary: #58a6ff;
    --color-primary-hover: #79c0ff;
    --color-primary-light: rgba(88, 166, 255, 0.1);
    
    --color-secondary: #8b949e;
    --color-secondary-hover: #b1bac4;
    
    --color-accent: #a371f7;
    --color-accent-hover: #b392f0;
    
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-error: #f85149;
    
    --gradient-hero: linear-gradient(180deg, rgba(88, 166, 255, 0.05) 0%, rgba(163, 113, 247, 0.05) 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    transition: background var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    max-width: 100vw;
    position: relative;
}

html {
    overflow-x: hidden;
    max-width: 100vw;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
        max-width: 100%;
    }
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--space-md);
    }
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-bg-tertiary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
    position: absolute;
    transition: all var(--transition-fast);
}

.sun-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

:root[data-theme="light"] .sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

:root[data-theme="light"] .moon-icon {
    opacity: 0;
    transform: rotate(-90deg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    width: 100%;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-accent);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, 20px) rotate(180deg); }
    75% { transform: translate(40px, 10px) rotate(270deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    animation: slideDown 0.6s ease-out;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.gradient-text {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.code-preview {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.code-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.code-dots span:nth-child(1) { background: #ff5f56; }
.code-dots span:nth-child(2) { background: #ffbd2e; }
.code-dots span:nth-child(3) { background: #27c93f; }

.code-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.copy-button {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.copy-button:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.copy-button svg {
    width: 18px;
    height: 18px;
}

.code-block {
    margin: 0;
    padding: var(--space-lg);
    background: var(--color-bg-code);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-code);
    white-space: pre;
    word-wrap: normal;
    display: block;
}

/* Code Syntax Highlighting */
.keyword { color: #d73a49; }
:root[data-theme="dark"] .keyword { color: #ff7b72; }

.namespace,
.class { color: #6f42c1; }
:root[data-theme="dark"] .namespace,
:root[data-theme="dark"] .class { color: #d2a8ff; }

.method { color: #005cc5; }
:root[data-theme="dark"] .method { color: #79c0ff; }

.number { color: #005cc5; }
:root[data-theme="dark"] .number { color: #79c0ff; }

.string { color: #032f62; }
:root[data-theme="dark"] .string { color: #a5d6ff; }

.comment { color: #6a737d; font-style: italic; }
:root[data-theme="dark"] .comment { color: #8b949e; }

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: var(--space-4xl) 0;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FEATURES
   ============================================ */

.features {
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    width: 100%;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
    width: 100%;
}

@media (max-width: 768px) {
    .types-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-xl);
    width: 100%;
}

@media (max-width: 768px) {
    .examples-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   MEASUREMENT TYPES
   ============================================ */

.measurement-types {
    background: var(--gradient-hero);
}

.type-card {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.type-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.type-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.type-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.type-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================
   INSTALLATION
   ============================================ */

.installation {
    background: var(--color-bg-secondary);
}

.install-steps {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.install-step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.step-note {
    margin: var(--space-md) 0 var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.code-box {
    position: relative;
    background: var(--color-bg-code);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.code-box pre {
    margin: 0;
    padding: var(--space-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-box code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    white-space: pre;
    word-wrap: normal;
}

.code-box .copy-button {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
}

.requirements {
    max-width: 900px;
    margin: var(--space-2xl) auto 0;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.requirements h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
}

.requirement-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
}

/* ============================================
   DOCUMENTATION
   ============================================ */

.documentation {
    background: var(--gradient-hero);
}

.docs-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

.docs-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.docs-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.docs-nav-item svg {
    width: 18px;
    height: 18px;
}

.docs-nav-item:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.docs-nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.docs-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    min-height: 600px;
}

.doc-article {
    display: none;
}

.doc-article.active {
    display: block !important;
}

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

.doc-article h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-border);
}

.doc-article h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--space-2xl) 0 var(--space-md);
}

.doc-article h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-sm);
}

.doc-article p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.doc-article ul,
.doc-article ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.doc-article li {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.tip-box,
.warning-box {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.tip-box {
    background: rgba(88, 166, 255, 0.1);
    border-left: 4px solid var(--color-primary);
}

.warning-box {
    background: rgba(217, 154, 34, 0.1);
    border-left: 4px solid var(--color-warning);
}

.tip-box svg,
.warning-box svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.warning-box svg {
    color: var(--color-warning);
}

.type-reference {
    padding: var(--space-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.type-reference h3 {
    margin-top: 0;
}

.type-reference p {
    margin-bottom: var(--space-sm);
}

.type-reference strong {
    color: var(--color-text-primary);
}

.api-method {
    margin-bottom: var(--space-xl);
}

.performance-table {
    overflow-x: auto;
    margin: var(--space-lg) 0;
}

.performance-table table {
    width: 100%;
    border-collapse: collapse;
}

.performance-table th,
.performance-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.performance-table th {
    background: var(--color-bg-secondary);
    font-weight: 600;
    color: var(--color-text-primary);
}

.performance-table td {
    color: var(--color-text-secondary);
}

/* ============================================
   DIMENSIONAL OPERATIONS & CONSTANTS
   ============================================ */

.dimensional-table {
    overflow-x: auto;
    margin: var(--space-2xl) 0;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.dimensional-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.dimensional-table th,
.dimensional-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.dimensional-table thead th {
    background: var(--color-bg-tertiary);
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.dimensional-table tbody tr {
    transition: background var(--transition-fast);
}

.dimensional-table tbody tr:hover {
    background: var(--color-bg-tertiary);
}

.dimensional-table td {
    color: var(--color-text-secondary);
    vertical-align: top;
}

.dimensional-table td:first-child {
    font-weight: 600;
    color: var(--color-text-primary);
}

.dimensional-table code {
    background: var(--color-bg-code);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.constants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-2xl) 0;
}

.constant-category {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.constant-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.constant-category h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary-light);
}

.constant-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.constant-category li {
    padding: var(--space-sm) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.constant-category code {
    background: var(--color-bg-code);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.measurement-categories {
    display: grid;
    gap: var(--space-2xl);
    margin: var(--space-2xl) 0;
}

.measurement-category {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.measurement-category > h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.new-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.measurement-type {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    transition: all var(--transition-fast);
}

.measurement-type:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.measurement-type h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.measurement-type p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .dimensional-table {
        font-size: 0.8125rem;
    }
    
    .dimensional-table th,
    .dimensional-table td {
        padding: var(--space-sm);
    }
    
    .constants-grid {
        grid-template-columns: 1fr;
    }
    
    .measurement-category {
        padding: var(--space-lg);
    }
}

/* ============================================
   EXAMPLES
   ============================================ */

.examples {
    background: var(--color-bg-secondary);
}

.example-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.example-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.example-header {
    padding: var(--space-lg);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.example-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
}

.example-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
}

.example-card .code-box {
    margin: 0;
    border: none;
    border-radius: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    width: 100%;
    box-sizing: border-box;
}

.footer-links {
    display: flex;
    justify-content: space-between;
    gap: var(--space-xl);
    grid-column: span 3; 
}

.footer-column {
    flex: 1;
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        margin-bottom: var(--space-md);
    }
}

@media (max-width: 600px) {
    .footer-links {
        flex-direction: column; /* Torna in verticale sui piccoli schermi */
    }
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-brand {
        grid-column: auto;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.footer-badges {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.badge-link img {
    height: 20px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-column a {
    display: block;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: var(--space-xs);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .docs-container {
        grid-template-columns: 1fr;
    }
    
    .docs-sidebar {
        position: relative;
        top: 0;
    }
    
    .docs-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: var(--space-sm);
        -webkit-overflow-scrolling: touch;
    }
    
    .docs-nav-item {
        white-space: nowrap;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .install-step {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }
    
    .docs-content {
        padding: var(--space-lg);
    }
    
    .doc-article h2 {
        font-size: 1.5rem;
    }
    
    .doc-article h3 {
        font-size: 1.25rem;
    }
    
    .nav-brand {
        gap: var(--space-sm);
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--space-3xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .code-preview {
        font-size: 0.8rem;
    }
    
    .code-block code,
    .code-box code {
        font-size: 0.75rem;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
    
    .version-badge {
        font-size: 0.625rem;
        padding: 0.2rem 0.4rem;
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* Selection */
::selection {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
/* Force documentation articles visibility - Add at the END of style.css */
.docs-content .doc-article {
    display: none !important;
}

.docs-content .doc-article.active {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}