/* Documentation styles using frontend app design system */

:root {
  /* Frontend app color system */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-tertiary: #adb5bd;
  --accent-primary: #0066ff;
  --accent-secondary: #0052cc;
  --accent-light: #e6f0ff;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --border: #dee2e6;
  --shadow: rgba(0, 0, 0, 0.1);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  
  /* Frontend app spacing system */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Frontend app border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  /* Frontend app transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

[data-theme="dark"] {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f2e;
  --bg-tertiary: #252d3d;
  --text-primary: #ffffff;
  --text-secondary: #8b92a8;
  --text-tertiary: #6c7285;
  --accent-primary: #1d9bf0;
  --accent-secondary: #1a8cd8;
  --accent-light: #1a2735;
  --success: #00ba7c;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #2f3336;
  --shadow: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Documentation Layout - Match Frontend App */
.docs-main {
    padding-top: 0;
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

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

/* Sidebar Styles - Exact Match to Frontend App */
.docs-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 0;
    background: var(--bg-primary);
    border: none;
    border-radius: 0;
    box-shadow: none;
}

/* Search Box - Frontend App Style */
.search-box {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-icon {
    display: none;
}

/* Navigation - Match Frontend App Sidebar */
.docs-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* Submenu styles - Match Frontend App */
.nav-item-with-submenu {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    border: none;
    background: none;
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: 0;
    white-space: normal;
    word-wrap: break-word;
    line-height: 1.4;
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transform: none;
    box-shadow: none;
}

.nav-item.active {
    color: var(--accent-primary);
    background-color: var(--accent-light);
    transform: none;
    box-shadow: none;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--accent-primary);
    display: block;
}

.nav-item-parent {
    cursor: pointer;
    position: relative;
}

.nav-item-parent .expand-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
    opacity: 0.6;
    position: absolute;
    right: var(--spacing-lg);
}

.nav-item-parent .expand-icon.expanded {
    transform: rotate(180deg);
}

.nav-item-parent:hover .expand-icon {
    opacity: 1;
}

.nav-icon {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background-color: var(--bg-secondary);
}

.submenu.expanded {
    max-height: 300px; /* Adjust based on number of items */
}

.submenu .nav-item {
    padding-left: calc(var(--spacing-lg) + 40px);
    font-size: 14px;
    border-left: 2px solid transparent;
}

.submenu .nav-item:hover {
    border-left-color: var(--accent-primary);
}

.submenu .nav-item.active {
    border-left-color: var(--accent-primary);
    background-color: var(--accent-light);
}

.submenu .nav-item.active::before {
    display: none; /* Hide the left border indicator for subitems */
}

.sub-icon {
    font-size: 16px;
    margin-right: var(--spacing-xs);
}

.nav-item-sub {
    padding-left: calc(var(--spacing-lg) + 32px);
    font-size: 14px;
}

/* Content Area - Match Frontend App */
.docs-content {
    flex: 1;
    margin-left: 260px;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    min-height: 100vh;
    box-shadow: none;
    border: none;
    border-radius: 0;
}

/* Section Styles - Frontend App Cards */
.docs-section {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--card-shadow);
    scroll-margin-top: 120px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.docs-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.docs-section:last-child {
    margin-bottom: 0;
}

.docs-section h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.docs-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    line-height: 1.3;
}

.docs-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.docs-section h4 {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-xs) 0;
}

.docs-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.docs-section .lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* Lists */
.docs-section ul, .docs-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.docs-section li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.step-list {
    counter-reset: step-counter;
    list-style: none;
    padding-left: 0;
}

.step-list > li {
    counter-increment: step-counter;
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.step-list > li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--accent-primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Card Components - Frontend App Style */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.concept-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.concept-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.concept-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.concept-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Info Boxes - Frontend App Style */
.info-box {
    background: var(--accent-light);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.info-box h3 {
    color: var(--accent-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.info-box p {
    color: var(--text-primary);
    margin: 0;
}

.warning-box {
    background: #fff3cd;
    border: 1px solid var(--warning);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.warning-box h3 {
    color: #856404;
    margin: 0 0 var(--spacing-xs) 0;
}

.warning-box p, .warning-box ul {
    color: #856404;
    margin-bottom: var(--spacing-xs);
}

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

/* Code Blocks - Frontend App Style */
.code-block {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.code-block pre {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-example {
    margin: var(--spacing-lg) 0;
}

.code-example h3 {
    margin-bottom: var(--spacing-sm);
}

/* Inline code */
code {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875em;
    border: 1px solid var(--border);
}

/* Tables - Frontend App Style */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-primary);
}

th, td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

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

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

tr:last-child td {
    border-bottom: none;
}

/* Plan comparison - Frontend App Cards */
.plan-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.plan-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.plan-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.plan-item h3 {
    color: var(--accent-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.plan-item ul {
    margin: 0;
    padding-left: var(--spacing-md);
}

/* Logic examples - Frontend App Cards */
.logic-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.logic-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.logic-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.logic-card h3 {
    color: var(--accent-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.logic-card .example {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.logic-card .example code {
    background: transparent;
    color: var(--text-primary);
    font-weight: 500;
    border: none;
}

/* Troubleshooting - Frontend App Cards */
.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.issue-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.issue-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.issue-card h3 {
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.problem, .solution {
    margin-bottom: var(--spacing-md);
}

.problem h4 {
    color: var(--danger);
    font-size: 1rem;
    margin: 0 0 var(--spacing-xs) 0;
}

.solution h4 {
    color: var(--success);
    font-size: 1rem;
    margin: 0 0 var(--spacing-xs) 0;
}

/* Sequence flow - Frontend App Style */
.sequence-flow {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.sequence-step {
    flex: 0 0 auto;
    text-align: center;
    min-width: 150px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xs) auto;
    font-weight: 600;
}

.sequence-step h3 {
    font-size: 1rem;
    margin: 0 0 var(--spacing-xs) 0;
}

.sequence-step p {
    font-size: 0.875rem;
    margin: 0;
}

.sequence-arrow {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    flex: 0 0 auto;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .docs-sidebar {
        transform: translateX(-100%);
    }
    
    .docs-sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .docs-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .docs-section {
        padding: var(--spacing-lg);
    }
    
    .docs-section h1 {
        font-size: 1.75rem;
    }
    
    .docs-section h2 {
        font-size: 1.25rem;
    }
    
    .concept-grid,
    .logic-examples,
    .troubleshooting-grid {
        grid-template-columns: 1fr;
    }
    
    .sequence-flow {
        flex-direction: column;
    }
    
    .sequence-arrow {
        transform: rotate(90deg);
    }
    
    .plan-comparison {
        grid-template-columns: 1fr;
    }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .sidebar-overlay {
        display: block;
    }
}

/* Focus states for accessibility */
.nav-link:focus {
    outline: none;
    background-color: var(--accent-light);
    color: var(--accent-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

/* Smooth scrollbar styling */
.docs-sidebar::-webkit-scrollbar,
.docs-nav::-webkit-scrollbar {
    width: 6px;
}

.docs-sidebar::-webkit-scrollbar-track,
.docs-nav::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.docs-sidebar::-webkit-scrollbar-thumb,
.docs-nav::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 3px;
    transition: background var(--transition-fast);
}

.docs-sidebar::-webkit-scrollbar-thumb:hover,
.docs-nav::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Print styles */
@media print {
    .docs-sidebar {
        display: none;
    }
    
    .docs-content {
        margin-left: 0;
    }
    
    .docs-section {
        box-shadow: none;
        border: 1px solid var(--border);
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* Animation for content loading */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: slideIn 0.4s ease-out;
}

/* Search highlighting */
.search-highlight {
    background: var(--warning);
    padding: 0.125rem;
    border-radius: var(--radius-sm);
    color: #000;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}