/* @import rules must be at the top of the stylesheet */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

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

/**
 * IT Technician Design System 2025 - Green Terminal Theme
 * Technical, Functional, Professional
 * Optimized for Network Engineers & System Administrators
 */
:root {
    /* Terminal Green - Primary (Subtler) */
    --primary-color: #4ade80;
    --primary-rgb: 74, 222, 128;
    --primary-hover: #22c55e;
    --primary-light: rgba(74, 222, 128, 0.15);
    --primary-dark: #16a34a;
    --primary-glow: 0 0 10px rgba(74, 222, 128, 0.3);
    --primary-glow-strong: 0 0 20px rgba(74, 222, 128, 0.5);
    
    /* Muted Green - Secondary */
    --secondary-color: #10b981;
    --secondary-rgb: 16, 185, 129;
    --secondary-hover: #059669;
    --secondary-light: rgba(16, 185, 129, 0.15);
    --secondary-glow: 0 0 10px rgba(16, 185, 129, 0.3);
    
    /* Teal Green - Accent */
    --accent-color: #14b8a6;
    --accent-rgb: 20, 184, 166;
    --accent-hover: #0d9488;
    --accent-light: rgba(20, 184, 166, 0.15);
    
    /* Technical Status Colors - Green Variants */
    --danger-color: #ff4444;
    --danger-rgb: 255, 68, 68;
    --warning-color: #ffaa00;
    --warning-rgb: 255, 170, 0;
    --success-color: #00ff41;
    --success-rgb: 0, 255, 65;
    --info-color: #00ff88;
    --info-rgb: 0, 255, 136;
    
    /* Deep Terminal Background - Subtle Green Tint */
    --dark-bg: #0a0a0a;
    --dark-bg-gradient: linear-gradient(180deg, #0a0a0a 0%, #0f0f0f 100%);
    --dark-bg-animated: #0a0a0a;
    
    /* Technical Card Backgrounds */
    --card-bg: #1a1a1a;
    --card-bg-hover: #252525;
    --glass-bg: rgba(26, 26, 26, 0.95);
    --glass-bg-light: rgba(26, 26, 26, 0.8);
    --glass-bg-strong: #1a1a1a;
    --code-bg: #0a0a0a;
    --input-bg: #1a1a1a;
    --input-bg-focus: #2a2a2a;
    
    /* Technical Text Colors - Subtle Green */
    --text-color: #d1fae5;
    --text-color-bright: #ffffff;
    --text-secondary: #a7f3d0;
    --text-muted: #6ee7b7;
    
    /* Technical Borders */
    --border-color: #333333;
    --border-color-light: #1a1a1a;
    --border-color-primary: rgba(74, 222, 128, 0.4);
    --border-color-primary-hover: rgba(74, 222, 128, 0.6);
    --border-color-primary-focus: rgba(74, 222, 128, 0.9);
    --border-glass: #333333;
    
    /* Modern Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --border-radius: var(--radius-md);
    --border-radius-lg: var(--radius-lg);
    
    /* Professional Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4), 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5), 0 10px 10px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 0 rgba(0, 102, 255, 0);
    --shadow-glow-strong: 0 0 0 rgba(0, 102, 255, 0);
    --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-inset-light: inset 0 1px 1px rgba(0, 0, 0, 0.1);
    
    /* Subtle Effects */
    --blur-amount: 8px;
    --blur-amount-md: 12px;
    --blur-amount-lg: 16px;
    --blur-amount-xl: 24px;
    --backdrop-blur: blur(var(--blur-amount-md));
    --backdrop-blur-strong: blur(var(--blur-amount-lg));
    --glass-border: 1px solid var(--border-glass);
    
    /* No Glow Effects */
    --glow-primary: 0 0 0 rgba(var(--primary-rgb), 0);
    --glow-secondary: 0 0 0 rgba(var(--secondary-rgb), 0);
    --glow-success: 0 0 0 rgba(var(--success-rgb), 0);
    --glow-danger: 0 0 0 rgba(var(--danger-rgb), 0);
    --glow-accent: 0 0 0 rgba(var(--accent-rgb), 0);
    
    /* Spacing System */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Modern Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Z-Index Layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
    --z-notification: 500;
}


body {
    font-family: 'JetBrains Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
    background: var(--dark-bg);
    color: var(--text-color);
    min-height: 100vh;
    padding: 0;
    margin: 0;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    font-size: 1rem;
    display: flex;
    flex-direction: column;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 222, 128, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(74, 222, 128, 0.02) 2px, rgba(74, 222, 128, 0.02) 4px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { background-position: 0 0; }
    100% { background-position: 0 20px; }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    overflow: visible;
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

header {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

header::before {
    content: '>_';
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    opacity: 0.7;
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.4);
    animation: promptBlink 1.5s step-end infinite;
}

@keyframes promptBlink {
    0%, 60% { opacity: 0.7; }
    61%, 100% { opacity: 0.3; }
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-color) 20%, 
        var(--secondary-color) 50%, 
        var(--primary-color) 80%, 
        transparent 100%);
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.3);
}

header:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    border-top-color: var(--secondary-color);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
}

.beta-badge {
    font-size: 0.4em;
    background: var(--primary-color);
    color: #000000;
    padding: 0.35rem 0.75rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
    position: relative;
}


.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    font-weight: 500;
    position: relative;
    z-index: 1;
    margin-top: 0.5rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* Old menu styles removed - using navigation.css now */

.category-label {
    color: var(--text-secondary);
    font-size: 0.75em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: var(--card-bg);
    border-left: 3px solid var(--primary-color);
    position: relative;
}

.category-tabs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tab-btn {
    width: 100%;
    padding: 14px 18px;
    background: linear-gradient(90deg, 
        rgba(0, 0, 0, 0.6) 0%, 
        rgba(15, 20, 25, 0.4) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.tab-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    opacity: 0.1;
    transition: width 0.3s ease;
}

.tab-btn:hover::before {
    width: 100%;
}

.tab-icon {
    font-size: 1.2em;
    filter: grayscale(100%);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.tab-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9em;
}

.tab-btn:hover {
    background: linear-gradient(90deg, 
        rgba(0, 255, 65, 0.15) 0%, 
        rgba(0, 212, 255, 0.1) 100%);
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    border-left: 3px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(var(--primary-rgb), 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateX(6px) scale(1.02);
}

.tab-btn:hover .tab-icon {
    filter: grayscale(0%) drop-shadow(0 0 8px rgba(var(--primary-rgb), 0.8));
    transform: scale(1.15) rotate(5deg);
}

.tab-btn.active {
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 0.25) 0%, 
        rgba(var(--primary-rgb), 0.1) 50%,
        rgba(var(--secondary-rgb), 0.1) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--primary-color);
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(var(--primary-rgb), 0.5),
        0 0 60px rgba(var(--primary-rgb), 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 30px rgba(var(--primary-rgb), 0.1);
    font-weight: 700;
    transform: translateX(8px) scale(1.03);
}

.tab-btn.active::before {
    width: 100%;
    opacity: 0.2;
}

.tab-btn.active .tab-icon {
    filter: grayscale(0%) brightness(1.3) drop-shadow(0 0 10px rgba(var(--primary-rgb), 1));
    transform: scale(1.2);
    animation: pulse 2s ease-in-out infinite;
}

.tab-btn.active .tab-label {
    text-shadow: 0 0 15px rgba(var(--primary-rgb), 0.6);
    font-weight: 700;
    letter-spacing: 2px;
}

/* Modern card for better organization */
.info-badge {
    display: inline-block;
    padding: 4px 10px;
    background: linear-gradient(135deg, 
        rgba(var(--secondary-rgb), 0.2) 0%, 
        rgba(var(--secondary-rgb), 0.05) 100%);
    border: 1px solid rgba(var(--secondary-rgb), 0.3);
    border-radius: 12px;
    font-size: 0.75em;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-left: 8px;
    box-shadow: 0 0 10px rgba(var(--secondary-rgb), 0.2);
}

/* Glassmorphism containers */
.glass-container {
    background: rgba(15, 20, 25, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Menu styles moved to navigation.css */

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

.tool-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tool-card:hover {
    background: linear-gradient(135deg, 
        rgba(30, 41, 59, 0.85) 0%, 
        rgba(51, 65, 85, 0.65) 100%);
    box-shadow: 
        var(--shadow-xl), 
        var(--glow-primary),
        var(--shadow-glow),
        0 0 60px rgba(99, 102, 241, 0.3);
    transform: translateY(-6px) scale(1.02);
    border-image-source: linear-gradient(180deg, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color),
        var(--secondary-color),
        var(--primary-color)
    );
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tool-card h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    margin-top: 0;
    font-size: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
    position: relative;
    z-index: 1;
    letter-spacing: 0.05em;
    line-height: 1.3;
    font-family: 'JetBrains Mono', monospace;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tool-card h2::before {
    content: '$';
    color: var(--secondary-color);
    font-weight: bold;
}

.tool-card h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--primary-color);
}

.tool-form {
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    font-family: 'JetBrains Mono', monospace;
}

.form-group label::after {
    content: ':';
    color: var(--primary-color);
    margin-left: 0.25rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color-bright);
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.5;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-inset-light);
}

.form-group input:focus,
.form-group select:focus {
    outline: 0;
    border-color: var(--primary-color);
    background: var(--input-bg-focus);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2), inset 0 0 10px rgba(0, 217, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-group select optgroup {
    background: var(--dark-bg);
    color: var(--secondary-color);
    font-weight: bold;
    font-style: normal;
}

.form-group select option {
    background: var(--code-bg);
    color: var(--primary-color);
    padding: 8px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 0.85em;
    line-height: 1.4;
}


.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.btn-primary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: #000000;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
    position: relative;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
    line-height: 1.5;
    text-transform: uppercase;
    overflow: hidden;
}

.btn-primary::before {
    content: '▶ ';
    margin-right: 0.5rem;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

.btn-primary:focus {
    outline: 0;
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.4), 0 0 0 3px rgba(74, 222, 128, 0.2);
}

.result-box {
    margin-top: var(--spacing-lg);
    padding: 1.5rem;
    background: var(--code-bg);
    border: 2px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-sm);
    min-height: 150px;
    max-height: 600px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    position: relative;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7), 0 0 10px rgba(74, 222, 128, 0.15);
    transition: all 0.3s ease;
    color: var(--text-color);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--code-bg);
}

.result-box::-webkit-scrollbar {
    width: 8px;
}

.result-box::-webkit-scrollbar-track {
    background: var(--code-bg);
}

.result-box::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.result-box::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.result-box::before {
    content: 'OUTPUT:';
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 1;
    pointer-events: none;
}

.result-box:hover {
    border-color: var(--primary-color);
    border-left-color: var(--secondary-color);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(74, 222, 128, 0.3);
    transform: translateX(2px);
}

.result-box::before {
    content: '[OUTPUT]';
    position: absolute;
    top: 8px;
    right: 15px;
    color: var(--border-color);
    font-size: 0.65em;
    letter-spacing: 2px;
    padding: 3px 8px;
    border: 1px solid var(--border-color);
    background: var(--dark-bg);
}

.result-box:empty::after {
    content: '$ Waiting for query...\n\nNo results to display yet.';
    color: #4a5568;
    display: block;
    padding-top: 10px;
}

.result-box.loading {
    border-color: var(--info-color);
}

.result-box.loading::after {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    background: var(--info-color);
    animation: blink 1s infinite;
    margin-left: 0.5rem;
    border-radius: 50%;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.result-box.error {
    border-color: var(--danger-color);
}

.result-box.success {
    border-color: var(--success-color);
}

.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: 90px;
    background: var(--card-bg);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
    font-family: inherit;
    letter-spacing: 0;
    font-weight: 400;
    box-shadow: none;
    line-height: 1.5;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.copy-btn:active {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(0);
}

.copy-btn.copied {
    background: var(--success-color);
    border-color: var(--success-color);
    color: #ffffff;
}

.query-info {
    color: var(--text-color);
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--info-color);
    font-size: 0.875rem;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.query-info span {
    margin-right: 1rem;
    display: inline-block;
    padding: 0;
}

.query-info span:first-child {
    font-weight: 500;
    color: var(--info-color);
}

.record-entry {
    margin-bottom: var(--spacing-md);
    padding: 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-md);
    position: relative;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.record-entry:hover {
    background: var(--card-bg-hover);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.record-entry::before {
    content: '▸';
    color: var(--primary-color);
    margin-right: 10px;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

.record-type {
    color: var(--secondary-color);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.record-value {
    color: var(--text-color);
}

.hop-entry {
    padding: 12px;
    margin-bottom: 5px;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%);
    border-left: 3px solid var(--secondary-color);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    font-family: inherit;
    transition: all 0.2s ease;
    position: relative;
}

.hop-entry:hover {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 212, 255, 0.02) 100%);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
    transform: translateX(3px);
}

.hop-entry::before {
    content: '→';
    position: absolute;
    left: -12px;
    color: var(--secondary-color);
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.hop-entry:hover::before {
    opacity: 1;
}

.hop-number {
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block;
    width: 50px;
}

.hop-host {
    color: var(--secondary-color);
}

.hop-time {
    color: var(--success-color);
    float: right;
}

.ping-stats {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: var(--glass-border);
    border-left: 4px solid var(--success-color);
    border-radius: var(--radius-md);
    white-space: pre;
    font-family: inherit;
    line-height: 1.8;
    box-shadow: var(--shadow-md), var(--glow-success);
    position: relative;
    transition: var(--transition-base);
}

.ping-stats:hover {
    box-shadow: var(--shadow-lg), var(--glow-success), var(--shadow-glow);
    transform: translateY(-2px);
}

.ping-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--success-color), transparent);
    animation: slideDown 2s ease-in-out infinite;
}

@keyframes slideDown {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

.stat-line {
    margin: 5px 0;
    color: var(--text-color);
}

.stat-label {
    color: var(--secondary-color);
    font-weight: bold;
}

.stat-value {
    color: var(--primary-color);
}

footer {
    width: 100%;
    margin-top: auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--card-bg);
    border-top: 3px solid var(--primary-color);
    position: relative;
    z-index: 1;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
}

footer {
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: 1;
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.6);
    overflow: hidden;
}

footer::before {
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        var(--primary-color) 45%,
        var(--secondary-color) 50%,
        var(--primary-color) 55%,
        var(--primary-color) 100%);
    background-size: 200% 100%;
    animation: scanlineEffect 2s linear infinite;
}

@keyframes scanlineEffect {
    0% { 
        background-position: -100% 0;
    }
    100% { 
        background-position: 100% 0;
    }
}

footer::after {
    content: 'by Linuxy95';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--primary-color);
    color: #000000;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
    z-index: 2;
    border-radius: 0 0 4px 4px;
    overflow: hidden;
}


footer .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE & TABLET
   ============================================ */

/* Tablet */
@media screen and (max-width: 1024px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
        max-width: 100%;
    }

    header {
        padding: var(--spacing-xl) var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }

    header h1 {
        font-size: 2rem;
    }

    .tool-card {
        padding: 1.5rem;
    }

    .tool-card h2 {
        font-size: 1.5rem;
    }
}

/* Mobile Landscape & Portrait */
@media screen and (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
        max-width: 100%;
    }

    header {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        border-radius: var(--radius-md);
    }

    header h1 {
        font-size: 1.75rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .beta-badge {
        font-size: 0.5em;
        margin-top: 0.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .tool-card {
        padding: 1.25rem;
        margin-bottom: var(--spacing-md);
    }

    .tool-card h2 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .form-group label {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.875rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .btn-primary {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .result-box {
        padding: 1rem;
        font-size: 0.8rem;
        max-height: 400px;
    }

    footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    footer .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    footer .footer-left,
    footer .footer-right {
        text-align: center;
    }

    footer .footer-title {
        font-size: 0.9rem;
        justify-content: center;
    }

    footer p {
        font-size: 0.85rem;
    }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }

    header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tool-card {
        padding: 1rem;
    }

    .tool-card h2 {
        font-size: 1.1rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.75rem;
        font-size: 0.95rem;
    }

    .btn-primary {
        padding: 0.875rem;
        font-size: 0.95rem;
    }

    .result-box {
        padding: 0.875rem;
        font-size: 0.75rem;
    }

    footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    footer .footer-title {
        font-size: 0.85rem;
    }

    footer p {
        font-size: 0.8rem;
    }
}

footer .footer-left {
    text-align: left;
}

footer .footer-right {
    text-align: right;
}

footer p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

footer .footer-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

footer .footer-title::before {
    content: '>_';
    font-size: 1.2em;
    color: var(--secondary-color);
}

footer .footer-server {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

footer a:hover {
    color: var(--secondary-color);
    text-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-success {
    color: var(--success-color);
    font-weight: 500;
}

.status-error {
    color: var(--danger-color);
    font-weight: 500;
}

.status-warning {
    color: var(--warning-color);
    font-weight: 500;
}

.status-info {
    color: var(--info-color);
    font-weight: 500;
}

/* Enhanced visual elements */
details {
    margin-top: 15px;
    border: 2px solid var(--border-color);
    background: rgba(0, 212, 255, 0.02);
    transition: all 0.3s ease;
}

details:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

details summary {
    cursor: pointer;
    padding: 12px;
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid var(--info-color);
    font-weight: bold;
    transition: all 0.2s ease;
}

details summary:hover {
    background: rgba(0, 212, 255, 0.1);
    padding-left: 20px;
}

details[open] summary {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Scrollbar Styling */
.result-box::-webkit-scrollbar,
div::-webkit-scrollbar {
    width: 10px;
}

.result-box::-webkit-scrollbar-track,
div::-webkit-scrollbar-track {
    background: var(--code-bg);
    border-left: 1px solid var(--border-color);
}

.result-box::-webkit-scrollbar-thumb,
div::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 0;
    border-left: 2px solid var(--dark-bg);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.result-box::-webkit-scrollbar-thumb:hover,
div::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.6);
}

/* Loading animation improvement */
@keyframes blink {
    0%, 50% { opacity: 1; box-shadow: 0 0 10px var(--primary-color); }
    51%, 100% { opacity: 0.3; box-shadow: none; }
}

.result-box.loading::after {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    animation: blink 1s infinite;
    margin-left: 5px;
    border-radius: 50%;
}

/* Additional modern effects */
.record-type {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--secondary-color);
    border-radius: 3px;
    margin-right: 8px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.stat-value {
    color: var(--primary-color);
    font-weight: 600;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.stat-label {
    color: var(--secondary-color);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

/* Scan animation for loading states */
.result-box.loading {
    position: relative;
    overflow: hidden;
}

.result-box.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: scan 2s linear infinite;
    z-index: 10;
}

@keyframes scan {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-wrapper {
        gap: 6px;
        padding: 10px;
    }
    
    .nav-tab {
        min-width: 80px;
        padding: 10px 12px;
    }
    
    .nav-icon {
        font-size: 1.3em;
    }
    
    .nav-text {
        font-size: 0.65em;
    }
}

@media (max-width: 768px) {
    header {
        padding: 30px 15px;
    }
    
    header h1 {
        font-size: 2em;
        letter-spacing: 3px;
    }
    
    .main-nav {
        position: relative;
        top: 0;
    }
    
    .nav-wrapper {
        border-radius: 8px;
        gap: 4px;
        padding: 8px;
    }
    
    .nav-tab {
        min-width: 70px;
        padding: 8px 10px;
    }
    
    .nav-icon {
        font-size: 1.2em;
    }
    
    .nav-text {
        font-size: 0.6em;
    }

    .tool-card {
        padding: 20px;
    }
    
    .tool-card h2 {
        font-size: 1.3em;
    }
    
    .query-info span {
        display: block;
        margin-bottom: 5px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - TABLET & MOBILE
   ============================================ */

/* Tablet (Portrait & Landscape) */
@media screen and (max-width: 1024px) {
    .container {
        padding: 20px;
        max-width: 100%;
    }

    header h1 {
        font-size: 2.5em;
    }

    .subtitle {
        font-size: 0.9em;
    }

    .tool-card {
        padding: 20px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    input[type="text"],
    input[type="number"],
    select {
        font-size: 14px;
        padding: 12px 15px;
    }

    button {
        padding: 12px 24px;
        font-size: 0.95em;
    }
}

/* Mobile (Landscape) */
@media screen and (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .container {
        padding: 16px;
    }

    header {
        padding: 24px 16px;
        margin-bottom: 20px;
    }

    header h1 {
        font-size: 2.2em;
        margin-bottom: 8px;
    }

    .subtitle {
        font-size: 0.85em;
    }

    .tool-card {
        padding: 18px;
        margin-bottom: 18px;
        border-radius: 12px;
    }

    .tool-card h3 {
        font-size: 1.2em;
        margin-bottom: 14px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 0.9em;
        margin-bottom: 8px;
        font-weight: 600;
    }

    input[type="text"],
    input[type="number"],
    select {
        font-size: 15px;
        padding: 14px 16px;
        border-width: 2px;
    }

    button {
        width: 100%;
        padding: 16px;
        font-size: 1.05em;
        margin-top: 12px;
        font-weight: 600;
    }

    .result-box {
        padding: 14px;
        font-size: 0.85em;
        max-height: 450px;
        border-radius: 10px;
    }

    .result-box pre {
        font-size: 0.85em;
        line-height: 1.5;
    }

    .code-block {
        background: rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(0, 255, 65, 0.3);
        border-left: 3px solid var(--primary-color);
        padding: 14px;
        border-radius: 6px;
        font-family: 'JetBrains Mono', 'Courier New', monospace;
        font-size: 0.9em;
        line-height: 1.6;
        overflow-x: auto;
        word-wrap: break-word;
        white-space: pre-wrap;
        margin: 12px 0;
        color: #e0e0e0;
    }

    .code-block::-webkit-scrollbar {
        height: 8px;
    }

    .code-block::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.3);
        border-radius: 4px;
    }

    .code-block::-webkit-scrollbar-thumb {
        background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        border-radius: 4px;
    }

    .code-inline {
        background: rgba(0, 0, 0, 0.4);
        border: 1px solid rgba(0, 255, 65, 0.3);
        padding: 2px 6px;
        border-radius: 4px;
        font-family: 'JetBrains Mono', 'Courier New', monospace;
        font-size: 0.9em;
        color: var(--primary-color);
    }

    /* QR Code Display */
    .result-box img {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
    }

    .result-box a.btn-primary {
        display: inline-block;
        margin: 10px 5px;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .result-box a.btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 255, 65, 0.4);
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .copy-btn {
        position: relative;
        top: auto;
        right: auto;
        margin-top: 12px;
        width: 100%;
        padding: 12px;
    }

    footer {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    footer .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    footer .footer-left,
    footer .footer-right {
        text-align: center;
    }

    footer p {
        margin: 0.5rem 0;
        font-size: 0.85rem;
    }

    /* DNS & Email Tool specific */
    .record-type-badges {
        gap: 8px;
        flex-wrap: wrap;
    }

    .record-badge {
        padding: 6px 10px;
        font-size: 0.75em;
    }

    /* IP Calculator Grid */
    .ip-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    /* Hints */
    .hint {
        font-size: 0.8em;
        padding: 10px 12px;
    }

    /* Query Info */
    .query-info {
        padding: 12px;
        font-size: 0.8em;
    }
}

/* Mobile (Portrait) */
@media screen and (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .container {
        padding: 12px;
    }

    header {
        padding: 20px 12px;
        margin-bottom: 16px;
        border-radius: 12px;
    }

    header h1 {
        font-size: 1.8em;
        letter-spacing: 2px;
        margin-bottom: 6px;
    }

    .subtitle {
        font-size: 0.75em;
        letter-spacing: 1.5px;
    }

    .tool-card {
        padding: 16px;
        border-radius: 12px;
        margin-bottom: 16px;
        border-width: 2px;
    }

    .tool-card h3 {
        font-size: 1.15em;
        margin-bottom: 14px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 0.85em;
        margin-bottom: 8px;
        font-weight: 600;
        display: block;
    }

    input[type="text"],
    input[type="number"],
    select {
        font-size: 15px;
        padding: 14px 12px;
        min-height: 50px; /* Touch-friendly */
        border-width: 2px;
        width: 100%;
    }

    button {
        width: 100%;
        padding: 16px;
        font-size: 1.05em;
        min-height: 52px; /* Touch-friendly */
        font-weight: 600;
        border-width: 2px;
    }

    .result-box {
        padding: 14px;
        font-size: 0.8em;
        max-height: 400px;
        border-radius: 10px;
        border-width: 2px;
    }

    .result-box pre {
        font-size: 0.75em;
        line-height: 1.6;
        word-break: break-word;
    }

    .copy-btn {
        width: 100%;
        padding: 12px;
        font-size: 0.85em;
        min-height: 48px;
        font-weight: 600;
    }

    footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    footer .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    footer .footer-title {
        font-size: 0.9rem;
    }

    footer p {
        margin: 0.4rem 0;
        font-size: 0.8rem;
        line-height: 1.5;
    }

    /* Hide decorative elements on very small screens */
    .grid-bg {
        opacity: 0.04;
        animation-duration: 90s;
    }

    .scanline {
        display: none;
    }

    /* Better record badges */
    .record-badge {
        padding: 6px 10px;
        font-size: 0.7em;
        font-weight: 600;
    }

    .record-type-badges {
        gap: 6px;
    }

    /* Single column for all grids */
    .blacklist-grid,
    .email-grid,
    .ip-grid,
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Better hints */
    .hint {
        font-size: 0.75em;
        padding: 10px 12px;
        border-width: 2px;
        line-height: 1.5;
    }

    /* Better query info */
    .query-info {
        padding: 12px;
        font-size: 0.75em;
        border-width: 2px;
    }

    .query-info span {
        display: block;
        margin-bottom: 6px;
        line-height: 1.5;
    }

    /* Better section spacing */
    .tab-content {
        animation: fadeIn 0.3s ease;
    }

    /* Scrollbar for result boxes */
    .result-box::-webkit-scrollbar {
        width: 8px;
    }

    .result-box::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.3);
        border-radius: 4px;
    }

    .result-box::-webkit-scrollbar-thumb {
        background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
        border-radius: 4px;
    }
}

/* Very Small Screens (< 360px) */
@media screen and (max-width: 360px) {
    body {
        font-size: 14px;
    }

    header h1 {
        font-size: 1.6em;
    }

    .tool-card {
        padding: 14px;
    }

    .tool-card h3 {
        font-size: 1.05em;
    }

    input[type="text"],
    input[type="number"],
    select {
        font-size: 14px;
        padding: 12px 10px;
    }

    button {
        padding: 14px;
        font-size: 1em;
    }

    .result-box {
        padding: 12px;
        font-size: 0.75em;
    }

    .result-box pre {
        font-size: 0.7em;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    button,
    input,
    select {
        min-height: 50px;
    }

    .nav-tab {
        min-height: 60px;
    }

    /* Disable hover effects on touch devices */
    .nav-tab:hover {
        transform: none;
    }

    /* Active states for touch feedback */
    button:active,
    .nav-tab:active {
        transform: scale(0.97);
        opacity: 0.9;
    }

    /* Larger copy buttons */
    .copy-btn {
        min-height: 48px;
        padding: 12px 16px;
    }

    /* Remove complex animations for performance */
    * {
        animation-duration: 0.3s !important;
    }

    /* Better tap highlights */
    button,
    input,
    select,
    .nav-tab {
        -webkit-tap-highlight-color: rgba(0, 255, 65, 0.3);
    }
}