/* ============================================
   GAMING GUIDE - GOLDBERG & NUCLEUS STYLES
   ============================================ */

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

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #7c91f5;
    --secondary: #764ba2;
    --accent: #f093fb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --bg-dark: #0f172a;
    --bg-medium: #1e293b;
    --bg-light: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --border: #334155;
    --border-light: #475569;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1f35 100%);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(15, 23, 42, 0.98);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-light);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 4rem 2rem;
    text-align: center;
    border-bottom: 4px solid var(--primary);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Quick Navigation */
.quick-nav {
    padding: 3rem 2rem;
    background: rgba(30, 41, 59, 0.5);
    border-bottom: 1px solid var(--border);
}

.quick-nav h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.quick-nav-card {
    background: var(--bg-medium);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.quick-nav-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-light);
}

.quick-nav-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Container & Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

/* Table of Contents */
.toc {
    position: sticky;
    top: 100px;
    background: var(--bg-medium);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

.toc-header h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.toc-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toc-title {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.toc-title:hover {
    background: var(--bg-light);
    color: var(--primary-light);
}

.toc-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.4rem 0.5rem 0.4rem 1.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toc-item:hover {
    background: var(--bg-light);
    color: var(--primary-light);
}

/* Custom scrollbar for TOC */
.toc::-webkit-scrollbar {
    width: 6px;
}

.toc::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 3px;
}

.toc::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

/* Main Content */
.content {
    background: var(--bg-medium);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 3rem;
}

.section {
    margin-bottom: 4rem;
}

.section h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding: 1.25rem;
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    border-radius: 6px;
}

.article {
    margin-bottom: 3rem;
    scroll-margin-top: 100px;
}

.article h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border);
}

.article h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.article h4 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.article h5 {
    font-size: 1.1rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.article p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.article ul,
.article ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.article li {
    margin-bottom: 0.5rem;
}

.article code {
    background: var(--bg-dark);
    color: var(--accent);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.article kbd {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    box-shadow: 0 2px 0 var(--border);
}

.article a {
    color: var(--primary-light);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.article a:hover {
    border-bottom-color: var(--primary-light);
}

/* Info Boxes */
.info-box {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid;
}

.info-box h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.info-box p:last-child,
.info-box ul:last-child,
.info-box ol:last-child {
    margin-bottom: 0;
}

.info-box.info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
}

.info-box.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.info-box.warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
}

.info-box.danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

/* Concept Boxes */
.concept-box {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.concept-box h4 {
    margin-top: 0;
    color: var(--primary-light);
}

/* Code Blocks */
.code-block {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    color: var(--accent);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Step Boxes */
.step-box {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    transition: all 0.3s ease;
}

.step-box:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

/* Two Column Guide */
.two-column-guide {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 1.5rem 0;
}

.column {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
}

.column h4 {
    margin-top: 0;
    color: var(--primary-light);
}

/* Troubleshooting */
.troubleshoot-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.trouble-item {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
}

.trouble-item h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    color: var(--warning);
}

/* Flowchart */
.flowchart {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin: 1.5rem 0;
}

.flowchart h3 {
    margin-top: 0;
    margin-bottom: 2rem;
    color: var(--primary-light);
}

.flow-step {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.flow-step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.flow-step > p {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.flow-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.flow-option {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
}

.flow-option span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.badge-yes {
    background: var(--success);
    color: white;
}

.badge-no {
    background: var(--danger);
    color: white;
}

.badge-unsure {
    background: var(--warning);
    color: white;
}

/* Checklist */
.checklist {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.checklist label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checklist label:hover {
    border-color: var(--primary);
    background: var(--bg-medium);
}

.checklist input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Resources Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.resource-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.resource-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.resource-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.resource-card ul {
    list-style: none;
    margin-left: 0;
}

.resource-card li {
    margin-bottom: 0.75rem;
}

.resource-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.resource-card a:hover {
    color: var(--primary-light);
}

/* Glossary */
.glossary {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.glossary h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--primary-light);
}

.glossary dl {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
}

.glossary dt {
    font-weight: 600;
    color: var(--primary-light);
}

.glossary dd {
    color: var(--text-secondary);
    margin-left: 0;
}

/* Quick Commands */
.quick-commands {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.quick-commands h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--primary-light);
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.command-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    text-align: center;
}

.command-item code {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.command-item p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--bg-medium);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-note {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.contact-section h3 {
    color: var(--primary-light);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-light);
    padding: 1.25rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
}

.contact-details strong {
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-details a {
    color: var(--primary-light);
    text-decoration: none;
    font-size: 1.125rem;
    transition: color 0.2s ease;
}

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

.contact-details span {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .toc {
        position: relative;
        top: 0;
        max-height: 400px;
    }

    .glossary dl {
        grid-template-columns: 150px 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .container {
        padding: 1rem;
    }

    .content {
        padding: 1.5rem;
    }

    .section h1 {
        font-size: 2rem;
    }

    .article h2 {
        font-size: 1.5rem;
    }

    .two-column-guide {
        grid-template-columns: 1fr;
    }

    .flow-options {
        grid-template-columns: 1fr;
    }

    .glossary dl {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .glossary dd {
        margin-bottom: 1rem;
    }

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

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

/* Print Styles */
@media print {
    .navbar,
    .quick-nav,
    .toc,
    .footer {
        display: none;
    }

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

    body {
        background: white;
        color: black;
    }
}