/* Default Theme CSS */

:root {
    --primary-color: #315be0;
    --secondary-color: #64748b;
    --accent-color: #f3f4a5;
    --background-color: #ffffff;
    --button-color: #c4d4f7;
    --button-text-color: #031c52;
    --button-hovor-color: #031c52;
    --button-hovor-text-color: #c4d4f7;
    --surface-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 0.5rem;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    --container-max-width: 1200px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #6b7280;
}

/* Top Navigation */
.top-nav {
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.nav-logo {
    height: 2rem;
    width: auto;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-toggle-right {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-left: var(--spacing-md);
}

.hamburger {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: var(--text-color);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--text-color);
    transition: transform 0.3s ease;
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.hamburger-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

/* Left Navigation Links - Vertical Stack */
.left-nav .nav-links {
    flex-direction: column;
    gap: var(--spacing-md);
}

.left-nav .nav-item {
    width: 100%;
}

.left-nav .nav-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}



.nav-link {
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}

.nav-link:hover {
    background-color: var(--surface-color);
}

/* Left Navigation Handle */
.left-nav-handle {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    z-index: 250;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    padding: var(--spacing-md) var(--spacing-sm);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    height: 60px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.left-nav-handle:hover {
    background: var(--surface-color);
    right: -42px;
}

/* Side Navigation */
.left-nav, .right-nav {
    position: fixed;
    top: 0;
    height: 100vh;
    width: 300px;
    background: var(--background-color);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 300;
}

.right-nav {
    right: 0;
    transform: translateX(100%);
}

.left-nav {
    left: 0;
}

.left-nav.active, .right-nav.active {
    transform: translateX(0);
}

.left-nav-content, .right-nav-content {
    padding: var(--spacing-lg);
    height: 100%;
    overflow-y: auto;
    position: relative;
    z-index: 1;
}

.nav-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.nav-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-xs);
}

.nav-titles {
    margin-left: var(--spacing-sm);
}

.site-title {
    margin-bottom: 0;
}

.page-title {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    margin-top: -0.25rem;
}

/* Navigation Overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 300px;
    width: calc(100vw - 300px);
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 100;
}

.left-nav.active .nav-overlay,
.right-nav.active .nav-overlay {
    opacity: 1;
    visibility: visible;
}



/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: var(--spacing-lg) 0;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.footer-link {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* Sections */
section {
    margin-bottom: var(--spacing-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-heading {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

/* Hero Section */
.hero-section {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay.dark-40 {
    background: rgba(0, 0, 0, 0.4);
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
}

.hero-cta-primary {
    background: var(--button-color);
    color: var(--button-text-color);
}

.hero-cta-primary:hover {
    background: var(--button-hovor-color);
    color: white;
}

.hero-cta-secondary {
    background: var(--button-color);
    color: var(--button-text-color);
}

.hero-cta-secondary:hover {
    background: var(--button-hovor-color);
    color: white;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-icon-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.feature-title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.feature-text {
    color: var(--text-muted);
    margin: 0;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.page-card {
    background: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    aspect-ratio: 3/4;
}

.page-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-link {
    display: block;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.card-image {
    height: 50%;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-lg);
    height: 50%;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.card-description {
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Tiles Grid */
.tiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.page-tile {
    background: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    aspect-ratio: 4/1;
}

.page-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tile-link {
    display: flex;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.tile-image {
    width: 25%;
    overflow: hidden;
}

.tile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tile-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tile-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.tile-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Markdown Content */
.markdown-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.markdown-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.markdown-divider {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-lg) 0;
}

.markdown-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.markdown-content p {
    margin-bottom: var(--spacing-md);
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.markdown-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-muted);
}

.markdown-content code {
    background: var(--surface-color);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.markdown-content pre {
    background: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

/* Long Tiles Grid */
.longtiles-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.page-longtile {
    background: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

.page-longtile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.longtile-link {
    display: flex;
    width: 100%;
    text-decoration: none;
    color: inherit;
    min-height: 120px;
}

.longtile-image {
    width: 10%;
    overflow: hidden;
    flex-shrink: 0;
}

.longtile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.longtile-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.longtile-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-weight: 600;
}

.longtile-description {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    flex-grow: 1;
    font-size: 0.875rem;
}

.longtile-highlights-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-badge {
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    background: var(--surface-color);
    border-radius: 0.25rem;
    cursor: help;
    transition: background-color 0.1s ease;
    position: relative;
}

.highlight-badge:hover {
    background: var(--primary-color);
    color: white;
}

.longtile-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Divider */
.divider-section {
    margin: var(--spacing-2xl) 0;
}

.section-divider {
    border: none;
    height: 1px;
    background: var(--border-color);
    max-width: 200px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle-right {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .left-nav-handle {
        right: -35px;
        width: 35px;
        height: 50px;
    }
    
    /* Mobile left navigation fixes */
    .left-nav {
        width: 280px;
        display: block !important;
    }
    
    .left-nav-content {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-header {
        display: flex !important;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-brand {
        display: flex !important;
        align-items: center;
        margin-bottom: var(--spacing-md);
    }
    
    .nav-logo {
        height: 2rem;
        width: auto;
        margin-right: var(--spacing-sm);
        display: block !important;
    }
    
    .nav-menu {
        width: 100%;
        display: block !important;
    }
    
    .left-nav .nav-links {
        display: flex !important;
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        list-style: none;
    }
    
    .left-nav .nav-item {
        display: block !important;
        width: 100%;
    }
    
    .left-nav .nav-link {
        display: block !important;
        padding: var(--spacing-md);
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--text-color);
        text-decoration: none;
    }
    
    .nav-overlay {
        left: 280px;
        width: calc(100vw - 280px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .tiles-grid {
        grid-template-columns: 1fr;
    }
    
    .tile-link {
        flex-direction: column;
    }
    
    .tile-image {
        width: 100%;
        height: 40%;
    }
    
    .page-tile {
        aspect-ratio: 3/2;
    }
    
    /* Mobile longtile fix - override everything */
    .longtiles-grid {
        display: block;
    }
    
    .page-longtile {
        display: block;
        width: 100%;
        margin: 0 0 20px 0;
        background: white;
        border: 1px solid #ccc;
        border-radius: 8px;
        padding: 0;
    }
    
    .longtile-link {
        display: block;
        color: black;
        text-decoration: none;
    }
    
    .longtile-image {
        display: block;
        width: 100%;
        height: 120px;
        overflow: hidden;
    }
    
    .longtile-img {
        width: 100%;
        height: 120px;
        object-fit: cover;
    }
    
    .longtile-content {
        display: block;
        padding: 15px;
        background: white;
    }
    
    .longtile-title {
        display: block;
        color: black;
        font-size: 18px;
        font-weight: bold;
        margin: 0 0 10px 0;
    }
    
    .longtile-description {
        display: block;
        color: #666;
        font-size: 14px;
        line-height: 1.4;
        margin: 10px 0;
    }
    
    .longtile-highlights-container {
        display: block;
        margin: 10px 0;
    }
    
    .highlight-badge {
        display: inline-block;
        background: #eee;
        color: #333;
        padding: 4px 8px;
        margin: 2px;
        border-radius: 4px;
        font-size: 12px;
    }
    
    .longtile-highlights-container {
        gap: 0.25rem;
    }
    
    .highlight-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}