:root {
    --primary-color: #2563eb;
    --bg-dark: #0f172a;
    --bg-glass: rgba(30, 41, 59, 0.7);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --border-color: #2d3748;
    --sidebar-width: 300px;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Import Poppins font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

.container {
    display: flex;
    min-height: 100vh;
    overflow: hidden; /* Prevent any unwanted scrollbars */
}

/* Navigation Bar */
.nav-bar {
    position: sticky; /* Sticky by default for desktop */
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: 64px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem !important;
    right: 2rem !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 999;
}

.back-to-top:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 1rem !important;
        right: 1rem !important;
        width: 2rem;
        height: 2rem;
    }
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1000;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.sidebar::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.search-wrapper {
    position: relative;
    margin-top: 1rem;
}

.search-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color:white;
}

/* Sidebar Navigation */
.nav-category {
    margin: 0.5rem 0;
    position: relative;
}

.nav-category[data-level="0"] {
    margin-left: 0;
}

.nav-category[data-level="1"],
.nav-category[data-level="2"],
.nav-category[data-level="3"] {
    margin-left: 0;  /* Using thread lines instead */
}

/* Category Header */
.category-header {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.category-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.category-header h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    width: 100%;
}

/* Category Toggle */
.category-toggle {
    transition: transform 0.3s ease;
    width: 16px;
    text-align: center;
    cursor: pointer;
}

.category-toggle.expanded {
    transform: rotate(90deg);
}

/* Thread-like Category Structure */
.category-content {
    position: relative;
    margin-left: 1.25rem;
    padding-left: 1.25rem;
    display: none;
    transition: all 0.3s ease;
}

/* Vertical Thread Line */
.category-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    opacity: 0.5;
}

/* Document Items */
.doc-item {
    position: relative;
    padding: 0.5rem;
    margin: 0.25rem 0;
    padding-left: 1rem;
}

/* Horizontal Thread Connector */
.doc-item::before {
    content: '';
    position: absolute;
    left: -1.25rem;
    top: 50%;
    width: 1rem;
    height: 2px;
    background: var(--border-color);
    opacity: 0.5;
}

.doc-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.doc-item a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

/* Subcategories Group */
.subcategories-group {
    margin-top: 0.5rem;
}

.doc-item a:hover,
.doc-item a.active {
    color: var(--primary-color);
}

/* Expanded State */
.category-content.expanded {
    display: block;
}

.category-toggle.expanded {
    transform: rotate(90deg);
}

/* Thread Line Improvements */
.nav-category:last-child > .category-content::before {
    bottom: auto;
    height: 100%;
}

.doc-item:last-child::before {
    background: linear-gradient(to right, var(--border-color) 50%, transparent 50%);
}

/* Hover Effects */
.category-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.doc-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Content Styles */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-bar {
        position: fixed; /* Fixed position for mobile */
        left: 0;
        padding: 0 1rem;
    }

    .mobile-menu-toggle {
        display: block;
        margin-right: 1rem;
        z-index: 1001;
    }

    .nav-left {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .breadcrumbs {
        margin-left: 0.5rem;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 80%;
        max-width: 300px;
        top: 0;
        left: 0;
        bottom: 0;
        display: block !important; /* Ensure sidebar content is visible */
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        visibility: visible;
        display: block;
    }

    /* Ensure sidebar content is visible when menu is open */
    .sidebar.mobile-open .sidebar-header,
    .sidebar.mobile-open .nav-section,
    .sidebar.mobile-open .search-wrapper {
        display: block;
        opacity: 1;
    }

    /* Adjust sidebar header for mobile */
    .sidebar-header {
        padding: 1rem;
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    /* Ensure nav items are visible */
    .nav-section {
        display: block !important;
        padding: 1rem;
    }

    /* Ensure search is visible */
    .search-wrapper {
        display: block !important;
        width: 100%;
    }

    .content {
        margin-left: 0;
        padding-top: 64px;
        margin-top: 4rem;
    }
}

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

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

/* Category Page Styles */
.category-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.category-header {
    margin-bottom: 0.5rem;
}

.category-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Subcategories Grid */
.subcategories-section {
    margin-bottom: 3rem;
}

.subcategories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.subcategory-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.subcategory-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.subcategory-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.subcategory-card h3 {
    margin-bottom: 0.5rem;
}

.document-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Documents Grid */
.documents-section {
    margin-top: 3rem;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.document-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.2s;
}

.document-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.document-info h3 {
    margin-bottom: 0.75rem;
}

.document-info h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.document-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.document-meta {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    height: 100%;
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

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

.breadcrumbs i {
    font-size: 0.8rem;
}

/* Breadcrumbs styling */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.breadcrumbs i {
    font-size: 0.8rem;
    color: var (--text-secondary);
}

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

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

/* Responsive Styles */
@media (max-width: 768px) {
    .documents-grid {
        grid-template-columns: 1fr;
    }

    .category-header h1 {
        font-size: 2rem;
    }

    .category-container {
        padding: 1rem;
    }
}

/* Document Content */
.document-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0.5rem;
}

.document-header {
    margin-bottom: 2rem;
}

.document-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.document-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Document Content Styles */
.document-content {
    /* background: var(--bg-glass); */
    /* padding-top: 1.5rem; */
    /* padding-bottom: 1.5rem; */
    /* padding-left: 1rem; */
    /* padding-right: 1rem; */
    /* border-radius: 0.5rem; */
    /* border: 1px solid var(--border-color); */
    font-family: 'Poppins', sans-serif;
    line-height: 1.3;
}

.document-content p {
    color: #e2e8f0; /* Lighter color for better contrast */
    margin-bottom: 1em;
    font-size: 1rem;
    font-weight: 400; /* Increased from 300 */
    letter-spacing: 0.3px;
}

.document-content h1,
.document-content h2,
.document-content h3 {
    color: #f8fafc; /* Even lighter for headings */
    font-weight: 600;
}

.document-content ul,
.document-content ol {
    color: #e2e8f0; /* Match paragraph contrast */
}

.document-content li {
    margin-bottom: 0.5em;
    font-weight: 400; /* Increased from 300 */
}

/* Preserve Word document formatting */
.document-content [style*="text-align: center"] {
    text-align: center !important;
}

.document-content [style*="text-align: right"] {
    text-align: right !important;
}

.document-content [style*="text-align: justify"] {
    text-align: justify !important;
}

/* Typography with Poppins */
.document-content h1 {
    font-size: 2.5em;
    color: var(--text-primary);
    margin: 1.5em 0 0.75em;
    font-weight: 600;
    line-height: 1.2;
    font-family: 'Poppins', sans-serif;
}

.document-content h2 {
    font-size: 2em;
    color: var(--text-primary);
    margin: 1.25em 0 0.75em;
    font-weight: 600;
    line-height: 1.2;
    font-family: 'Poppins', sans-serif;
}

.document-content h3 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin: 1em 0 0.5em;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
}

.document-content p {
    color: var(--text-secondary);
    margin-bottom: 1em;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.2px;
}

/* Tables with better formatting */
.document-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: rgba(255, 255, 255, 0.02);
}

.document-content th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 500;
    text-align: left;
    padding: 1rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
}

.document-content td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 300;
}

/* Lists with proper spacing */
.document-content ul,
.document-content ol {
    margin: 1em 0;
    padding-left: 2em;
}

.document-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5em;
    font-weight: 300;
}

/* Blockquotes with style */
.document-content blockquote {
    margin: 1.5em 0;
    padding: 1.5em 2em;
    border-left: 4px solid var(--primary-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    font-style: italic;
    font-weight: 300;
}

/* Code blocks */
.document-content pre {
    background: rgba(15, 23, 42, 0.8) !important;
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
}

.document-content pre code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #e2e8f0;
}

/* Inline code */
.document-content p code,
.document-content li code {
    background: rgba(15, 23, 42, 0.6);
    padding: 0.2em 0.4em;
    border-radius: 0.3rem;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9em;
    color: #e2e8f0;
}

/* Syntax highlighting theme overrides */
.document-content .token.comment,
.document-content .token.prolog,
.document-content .token.doctype,
.document-content .token.cdata {
    color: #8b9cb4;
}

.document-content .token.property,
.document-content .token.tag,
.document-content .token.boolean,
.document-content .token.number,
.document-content .token.constant,
.document-content .token.symbol {
    color: #79c0ff;
}

.document-content .token.selector,
.document-content .token.string,
.document-content .token.char,
.document-content .token.builtin {
    color: #a5d6ff;
}

.document-content .token.operator,
.document-content .token.entity,
.document-content .token.url,
.document-content .token.variable {
    color: #d2a8ff;
}

.document-content .token.keyword {
    color: #ff7b72;
}

/* Images */
.document-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
    margin: 1rem 0;
    display: block;
}

/* Title */
.document-content h1.title {
    font-size: 2.5em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1.5em;
    font-weight: 700;
    line-height: 1.2;
}

/* Headings */
.document-content h1 {
    font-size: 2em;
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    font-weight: 600;
}

.document-content h2 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin-top: 1.25em;
    margin-bottom: 0.75em;
    font-weight: 600;
}

.document-content h3 {
    font-size: 1.25em;
    color: var(--text-primary);
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-weight: 600;
}

/* Paragraphs */
.document-content p {
    color: var(--text-secondary);
    margin-bottom: 1em;
    font-size: 1rem;
}

.document-content p.center {
    text-align: center;
}

.document-content p.right {
    text-align: right;
}

.document-content p.body {
    margin: 1em 0;
}

/* Lists */
.document-content ul,
.document-content ol {
    margin: 1em 0;
    padding-left: 2em;
    color: var(--text-secondary);
}

.document-content li {
    margin-bottom: 0.5em;
}

/* Tables */
.document-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: rgba(255, 255, 255, 0.02);
}

.document-content table.grid {
    border: 1px solid var(--border-color);
}

.document-content th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    text-align: left;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.document-content td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Images */
.document-content img.doc-image {
    max-width: 100%;
    height: auto;
    margin: 1.5em auto;
    display: block;
    border-radius: 0.5rem;
}

/* Quotes */
.document-content blockquote {
    margin: 1.5em 0;
    padding: 1em 2em;
    border-left: 4px solid var(--primary-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    font-style: italic;
}

.document-content blockquote.intense {
    background: rgba(37, 99, 235, 0.1);
    border-left-width: 6px;
}

/* Text Formatting */
.document-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.document-content em {
    font-style: italic;
}

/* Links */
.document-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

.document-content a:hover {
    text-decoration: underline;
}

/* Word Document Typography */
.document-content h1 {
    font-size: 2.5em;
    color: var(--text-primary);
    margin-bottom: 1em;
    font-weight: 600;
    line-height: 1.2;
}

.document-content h2 {
    font-size: 2em;
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    font-weight: 600;
    line-height: 1.2;
}

.document-content h3 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    font-weight: 600;
}

.document-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1em;
    font-size: 1rem;
}

/* Word Document Tables */
.document-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.document-content table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    text-align: left;
}

.document-content table th,
.document-content table td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
}

.table-wrapper table {
    min-width: 600px; /* optional, ensures table doesn’t squash */
}

/* Word Document Lists */
.document-content ul,
.document-content ol {
    margin: 1em 0;
    padding-left: 2em;
}

.document-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5em;
    line-height: 1.6;
}

/* Word Document Images */
.document-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1.5em 0;
}

/* Word Document Emphasis */
.document-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.document-content em {
    font-style: italic;
    color: var(--text-primary);
}

/* Word Document Links */
.document-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

.document-content a:hover {
    text-decoration: underline;
}
/* Code Blocks */
.document-content pre {
    background: rgba(15, 23, 42, 0.6);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.document-content code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
}

.document-attachment {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-glass);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var (--primary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.attachment-link:hover {
    background: rgba(37, 99, 235, 0.2);
    transform: translateY(-1px);
}

/* Search Results */
.search-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.search-section {
    margin-bottom: 3rem;
}

.search-section h2 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.search-results {
    display: grid;
    gap: 1rem;
}

.search-result {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.2s;
}

.search-result:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.search-highlight {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
    padding: 0.1em 0.2em;
    border-radius: 0.2em;
}

/* Enhanced Mobile Responsive Styles */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        padding: 1rem;
    }

    .document-header h1 {
        font-size: 2rem;
    }

    .quick-links {
        grid-template-columns: 1fr;
    }

    .search-results {
        grid-template-columns: 1fr;
    }

    .mobile-menu-toggle {
        display: block;
        position: fixed;
        top: 1rem;
        right: 1rem;
        z-index: 1001;
    }
}

/* Tablet Responsive Styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .quick-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .search-results {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.loading::after {
    content: '';
    width: 30px;
    height: 30px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Homepage Styles */
.home-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.welcome-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.dashboard-section {
    margin: 2rem 0;
}

.dashboard-section h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.quick-link {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.quick-link:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.quick-link i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.quick-link h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.quick-link p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Add more styles as needed */

/* Search Results Styles */
.search-results-container {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.search-results-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.search-result {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.2s;
}

.search-result:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.subcategories {
    margin-top: 1rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border-color);
}

.subcategory-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.2s;
}

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

.search-highlight {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
    padding: 0.1em 0.2em;
    border-radius: 0.2em;
}

.document-upload {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-glass);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.document-upload input[type="file"] {
    padding: 0.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-primary);
    width: 100%;
    margin-bottom: 1rem;
}

.document-upload button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.document-upload button:hover {
    background: #1d4ed8;
}

/* Add these styles */
.footer {
    width: 100%;
    padding: 1rem 0;
    text-align: center;
    margin-top: auto;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.made-with-love {
    font-size: 0.875rem;
    color: var(--text-color);
    margin: 0;
}

.made-with-love .heart {
    color: #e25555;
    display: inline-block;
    animation: heartbeat 1.5s ease infinite;
}

.made-with-love a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.made-with-love a:hover {
    text-decoration: underline;
}

.made-with-love .batch {
    opacity: 0.8;
    font-size: 0.8rem;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Add PDF viewer styles */
.pdf-viewer {
    background: var(--bg-glass);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    margin-top: 1.5rem;
}

.pdf-iframe {
    border: none;
    background: white;
    border-radius: 0.25rem;
}

@media (max-width: 768px) {
    .pdf-iframe {
        height: 500px;
    }
}

/* PDF Container */
.pdf-container {
    background: var(--bg-glass);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    padding: 1rem;
    margin-top: 1rem;
}

.pdf-iframe {
    border: none;
    background: white;
    border-radius: 0.25rem;
    width: 100%;
    height: 800px;
}

@media (max-width: 768px) {
    .pdf-iframe {
        height: 500px;
    }
}
/* Ensure the main content area still scrolls properly */
.main-content {
    overflow-y: auto;
    height: 100vh;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.main-content::-webkit-scrollbar {
    display: none;
}

/* Math expressions styling */
.math-inline {
    display: inline-block;
    margin: 0 0.2em;
}

.math-display {
    display: block;
    margin: 1em 0;
    overflow-x: auto;
    text-align: center;
}

/* Ensure math expressions are readable in dark mode */
.MathJax {
    color: var(--text-primary) !important;
}