:root {
    --primary: #6b46c1;
    --primary-dark: #4c1d95;
    --primary-light: #8b5cf6;
    --background: #000000;
    --surface: #0f0f0f;
    --surface-light: #1a1a1a;
    --text: #ffffff;
    --text-muted: #a1a1aa;
    --border: #27272a;
    --accent: #e4e4e7;
}

body { 
    font-family: 'Inter', sans-serif; 
    background: var(--background);
    color: var(--text);
    overflow-x: hidden;
}

/* Prevent overflow in form fields and code blocks */
input, textarea, select {
    max-width: 100%;
    box-sizing: border-box;
}

/* Code block overflow handling */
pre {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: pre;
    box-sizing: border-box;
}

pre code {
    display: block;
    white-space: pre;
    max-width: 100%;
    word-break: break-all;
    overflow-wrap: anywhere;
    box-sizing: border-box;
}

/* Inline code */
code:not(pre code) {
    word-break: break-all;
    overflow-wrap: anywhere;
}

/* 3D Background Effects */
.quantum-bg {
    background: 
        radial-gradient(circle at 20% 20%, rgba(107, 70, 193, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(107, 70, 193, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #000000 0%, #0f0f0f 50%, #000000 100%);
    position: relative;
    min-height: 100vh;
}

.quantum-bg::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(90deg, rgba(107, 70, 193, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(107, 70, 193, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 30s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* 3D Floating Elements */
.floating-3d {
    position: fixed;
    pointer-events: none;
    z-index: 2;
}

.floating-3d::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(107, 70, 193, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float-3d 20s ease-in-out infinite;
}

.floating-3d:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.floating-3d:nth-child(2) { top: 60%; right: 10%; animation-delay: -7s; }
.floating-3d:nth-child(3) { bottom: 20%; left: 20%; animation-delay: -14s; }

@keyframes float-3d {
    0%, 100% { 
        transform: translateY(0px) scale(1);
        opacity: 0.3;
    }
    33% { 
        transform: translateY(-30px) scale(1.1);
        opacity: 0.6;
    }
    66% { 
        transform: translateY(20px) scale(0.9);
        opacity: 0.4;
    }
}

/* Professional Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: 1px solid var(--primary);
    color: white;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(107, 70, 193, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Glass Morphism Effects */
.glass {
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-strong {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(107, 70, 193, 0.2);
}

/* Holographic Text Effect */
.holographic {
    background: linear-gradient(45deg, #ffffff, #8b5cf6, #06b6d4, #ffffff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: holographic-shift 3s ease-in-out infinite;
}

@keyframes holographic-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Navigation Styles */
.nav-link {
    color: var(--text-muted);
    transition: all 0.3s ease;
    position: relative;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 1px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .quantum-bg::before {
        background-size: 40px 40px;
    }
    
    .floating-3d::before {
        width: 120px;
        height: 120px;
    }
    
    /* Ensure text is readable on mobile */
    body {
        font-size: 16px;
        line-height: 1.6;
    }
    
    /* Better touch targets */
    button, a.btn-primary, a.btn-secondary {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
    }
    
    /* Prevent horizontal overflow */
    html, body {
        overflow-x: hidden;
        max-width: 100%;
    }
    
    img, video, iframe {
        max-width: 100%;
        height: auto;
    }
    
    /* Table scrolling - ensure tables are scrollable on mobile */
    .overflow-x-auto table,
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        min-width: 100%;
    }
    
    .overflow-x-auto table thead,
    .overflow-x-auto table tbody,
    .overflow-x-auto table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }
    
    /* Mobile table cell improvements */
    table td, table th {
        padding: 8px 4px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* Responsive table wrapper */
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Ensure tables don't break layout on mobile */
    @media (max-width: 640px) {
        table {
            font-size: 0.875rem;
        }
        
        table th, table td {
            padding: 6px 4px;
            max-width: 150px;
        }
        
        table th {
            font-size: 0.75rem;
        }
    }
    
    /* Responsive text sizing */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    
    /* Better spacing for mobile */
    .space-y-4 > * + * { margin-top: 1rem; }
    .space-y-6 > * + * { margin-top: 1.5rem; }
    .space-y-8 > * + * { margin-top: 2rem; }
    
    /* Grid improvements - but respect Tailwind responsive classes */
    .grid.grid-cols-2:not(.md\\:grid-cols-2):not(.lg\\:grid-cols-2) {
        grid-template-columns: 1fr !important;
    }
    
    /* Ensure responsive grids work properly */
    .grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    /* Navigation improvements */
    nav {
        position: sticky;
        top: 0;
        z-index: 50;
    }
    
    /* Mobile menu */
    #mobile-menu {
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Sidebar for mobile */
    .sidebar-mobile {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 40;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar-mobile.open {
        transform: translateX(0);
    }
    
    /* Overlay for mobile sidebar */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 35;
        display: none;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .quantum-bg::before {
        background-size: 50px 50px;
    }
    
    .floating-3d::before {
        width: 150px;
        height: 150px;
    }
}

/* Large screen optimizations */
@media (min-width: 1440px) {
    .max-w-7xl {
        max-width: 1280px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    button, a, .nav-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .btn-primary:hover {
        transform: none;
    }
    
    /* Better spacing for touch */
    .space-y-2 > * + * {
        margin-top: 16px;
    }
}

/* Print styles */
@media print {
    .quantum-bg::before,
    .floating-3d {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Page Transitions */
.page-content {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-content.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}