:root {
    --color-beige-50: #FDFCF8;
    --color-beige-100: #F5F1E9;
    --color-brown-700: #6D5D4B;
    --color-brown-800: #544535;
    --color-brown-900: #43362B;
    --color-olive-100: #EAECE2;
    --color-olive-600: #8F9779;
    --color-terracotta-700: #C56C57;
}

/* Base Styles & Typography */
body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--color-beige-50);
    color: var(--color-brown-900);
    scroll-behavior: smooth;
}

.font-body {
    font-family: 'Montserrat', sans-serif;
}

.font-display {
    font-family: 'Oranienbaum', serif;
}

/* Sidebar and Navigation */
#sidebar {
    background-color: var(--color-beige-100);
    border-right: 1px solid #E0D9CB;
}

.toc-link {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.95rem;
}

.toc-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-olive-600);
    opacity: 0.4;
    transition: all 0.3s ease;
}

.toc-link.active,
.toc-link:hover {
    color: var(--color-brown-900);
    font-weight: 500;
}

.toc-link.active::before {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
    box-shadow: 0 0 8px var(--color-olive-600);
}

#menu-toggle {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Main Content & Sections */
.presentation-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px dashed #D9D2C3;
}

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

.section-title {
    font-family: 'Oranienbaum', serif;
    font-size: 2.5rem;
    color: var(--color-brown-800);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-olive-600);
    display: inline-block;
}

.subsection-title {
    font-family: 'Oranienbaum', serif;
    font-size: 1.5rem;
    color: var(--color-brown-700);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* Custom Prose styles */
.prose {
    color: var(--color-brown-900);
}
.prose h3 {
    color: var(--color-brown-700);
}
.prose ul > li::before {
    background-color: var(--color-olive-600);
}
.prose strong {
    color: var(--color-brown-800);
}

/* Card Component */
.card {
    background-color: #ffffff;
    border: 1px solid var(--color-beige-100);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(84, 69, 53, 0.05);
}

.card-title {
    font-family: 'Oranienbaum', serif;
    font-size: 1.75rem;
    color: var(--color-brown-800);
    margin-bottom: 1.5rem;
}

/* Visualization Styles */
.visualization-image {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    border: 1px solid #EAEAEA;
    margin-bottom: 1rem;
}

.image-caption {
    text-align: center;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--color-brown-700);
}

/* Table Styles */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-beige-100);
    font-size: 0.9rem;
}

th {
    font-weight: 600;
    background-color: var(--color-beige-100);
    color: var(--color-brown-800);
}

tbody tr:hover {
    background-color: var(--color-beige-50);
}

tfoot {
    color: var(--color-brown-900);
    font-weight: bold;
}

tfoot td {
    border-top: 2px solid var(--color-olive-600);
}

/* Print Styles */
@media print {
    body {
        font-size: 12pt;
        color: #000;
        background-color: #fff;
    }

    #sidebar, #menu-toggle {
        display: none;
    }

    .presentation-wrapper {
        display: block;
    }

    main {
        margin-left: 0 !important;
    }
    
    .max-w-4xl {
        max-width: 100%;
        padding: 0;
    }

    .presentation-section {
        padding-top: 2rem;
        padding-bottom: 2rem;
        page-break-after: always;
        border: none;
    }

    .presentation-section:last-child {
        page-break-after: avoid;
    }
    
    #title-page {
        page-break-after: always;
        height: auto;
    }

    .section-title, .subsection-title, .card-title {
        color: #000;
        border-color: #ccc;
    }

    .card, .visualization-image {
        box-shadow: none;
        border: 1px solid #ccc;
        border-radius: 0;
    }
    
    img {
        max-width: 100% !important;
    }
    
    table, th, td {
        border-color: #ccc;
    }

    .prose, .prose h3, .prose strong, .prose ul > li::before {
        color: #000;
        background-color: transparent;
    }

    a {
        text-decoration: none;
        color: #000;
    }
}