/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #1e293b 0%, #334155 100%);
    border-right: 1px solid #475569;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 4px 0 6px -1px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 2rem 1.5rem 1.5rem;
    border-bottom: 1px solid #475569;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    position: relative;
}

.sidebar-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version {
    font-size: 0.75rem;
    opacity: 0.7;
    background: #334155;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    display: inline-block;
}

.sidebar-toggle {
    display: none;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background 0.2s ease;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.sidebar-content {
    padding: 1.5rem 0;
}

.nav-menu {
    list-style: none;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0 1.5rem;
    margin-bottom: 0.75rem;
}

.nav-section ul {
    list-style: none;
}

.nav-section ul li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    font-weight: 500;
    position: relative;
}

.nav-section ul li a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border-left-color: #60a5fa;
    transform: translateX(2px);
}

.nav-section ul li a.active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.2) 0%, transparent 100%);
    color: #60a5fa;
    border-left-color: #3b82f6;
    font-weight: 600;
}

.nav-section ul li a.active::before {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #3b82f6;
    border-radius: 50%;
}

/* Main Content Styles */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 2rem;
    max-width: calc(100vw - 280px);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    min-height: 100vh;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.page-header {
    padding: 3rem 3rem 2rem;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.lead {
    font-size: 1.25rem;
    opacity: 0.9;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Content Sections */
section {
    padding: 3rem;
    border-bottom: 1px solid #f1f5f9;
}

section:last-child {
    border-bottom: none;
}

section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
    border-radius: 2px;
}

section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: #4b5563;
    line-height: 1.8;
    font-size: 1rem;
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
}

.feature-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
    border-color: #3b82f6;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    margin-top: 0;
    color: #1e293b;
}

.feature-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: #64748b;
}

/* Technology Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.tech-category:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.tech-category h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: #3b82f6;
    font-size: 1.25rem;
}

.tech-category ul {
    list-style: none;
}

.tech-category ul li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
    transition: color 0.2s ease;
}

.tech-category ul li:before {
    content: "→";
    color: #3b82f6;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.tech-category ul li:hover {
    color: #3b82f6;
}

/* Code Blocks */
.code-block {
    margin: 2rem 0;
    background: white;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.code-block h4 {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 1rem 1.5rem;
    margin: 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
}

.code-block pre {
    padding: 1.5rem;
    background: #0f172a;
    color: #e2e8f0;
    overflow-x: auto;
    margin: 0;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-block code {
    font-family: inherit;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: block;
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.step-card:hover::before {
    transform: scaleX(1);
}

.step-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
    border-color: #10b981;
}

.step-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.25rem;
}

.step-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: #64748b;
}

/* Lists */
ul, ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

li {
    margin: 0.75rem 0;
    color: #4b5563;
    line-height: 1.6;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

th, td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    font-weight: 600;
    color: #374151;
}

tr:hover {
    background: #f9fafb;
}

/* Alerts and Callouts */
.alert {
    padding: 1.5rem;
    border-radius: 1rem;
    margin: 2rem 0;
    border-left: 4px solid;
    background: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #3b82f6;
    color: #1e40af;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #f59e0b;
    color: #92400e;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-color: #10b981;
    color: #065f46;
}

.alert-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-color: #ef4444;
    color: #991b1b;
}

/* Breadcrumbs */
.breadcrumb {
    display: flex;
    align-items: center;
    padding: 1.5rem 3rem;
    font-size: 0.875rem;
    color: #64748b;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.breadcrumb a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: #1d4ed8;
}

.breadcrumb-separator {
    margin: 0 0.75rem;
    color: #cbd5e1;
    font-weight: 600;
}

/* Custom Scrollbar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: #334155;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #64748b;
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 100%;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100vw;
        padding: 1rem;
    }
    
    .content-wrapper {
        border-radius: 0.5rem;
    }
    
    .page-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 2rem 1.5rem;
    }
    
    .breadcrumb {
        padding: 1rem 1.5rem;
    }
    
    .features-grid,
    .tech-grid,
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mobile-nav-trigger {
        display: block;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 1001;
        background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
        color: white;
        border: none;
        padding: 0.75rem;
        border-radius: 0.75rem;
        cursor: pointer;
        font-size: 1.125rem;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        transition: all 0.2s ease;
    }
    
    .mobile-nav-trigger:hover {
        transform: scale(1.05);
    }
}

@media (min-width: 769px) {
    .mobile-nav-trigger {
        display: none;
    }
}

/* Print Styles */
@media print {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
    }
    
    .step-card,
    .feature-card,
    .tech-category {
        break-inside: avoid;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    border-radius: 0.25rem;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Syntax Highlighting for Code */
.code-block pre .keyword {
    color: #f472b6;
}

.code-block pre .string {
    color: #34d399;
}

.code-block pre .comment {
    color: #9ca3af;
    font-style: italic;
}

.code-block pre .number {
    color: #fbbf24;
}

/* Additional Animation Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card,
.tech-category,
.step-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

/* Enhanced hover effects */
.nav-section ul li a {
    position: relative;
    overflow: hidden;
}

.nav-section ul li a::after {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: right 0.3s ease;
}

.nav-section ul li a:hover::after {
    right: 100%;
}