:root {
    --bg-color: #fffaf0;

    --sidebar-bg: #2c241b;

    --text-color: #3e2723;

    --accent-color: #d4a373;

    --link-color: #a65d57;

    --heading-font: 'Playfair Display', serif;
    --body-font: 'Inter', sans-serif;
    --sidebar-width: 280px;
}

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

body {
    font-family: var(--body-font);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}


.app-container {
    display: flex;
    min-height: 100vh;
}


#sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: #fff;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    padding: 20px;
    transition: transform 0.3s ease;
    z-index: 1000;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.sidebar-header h2 {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    color: var(--accent-color);
}

#close-sidebar {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;

}


#toc-container ul {
    list-style: none;
    padding-left: 0;
}

#toc-container ul ul {
    padding-left: 15px;
    margin-top: 5px;
    margin-bottom: 5px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

#toc-container li {
    margin-bottom: 8px;
}

#toc-container a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
    display: block;
}

#toc-container a:hover {
    color: var(--accent-color);
}

.toc-h1 {
    font-weight: 700;
    margin-top: 15px;
    color: var(--accent-color) !important;
}

.toc-h2 {
    font-weight: 600;
}

.toc-h3 {
    font-size: 0.9rem;
    opacity: 0.8;
}


#main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 40px 60px;
    max-width: 1000px;

    width: 100%;
}

.top-bar {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

#menu-toggle {
    display: none;

    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    margin-right: 15px;
}

h1 {
    font-family: var(--heading-font);
    font-size: 3rem;
    color: var(--text-color);
}


.markdown-body {
    font-size: 1.1rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    font-family: var(--heading-font);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    color: #2c241b;
}

.markdown-body h1 {
    font-size: 2.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.markdown-body h2 {
    font-size: 2rem;
}

.markdown-body h3 {
    font-size: 1.5rem;
}

.markdown-body p {
    margin-bottom: 1em;
}

.markdown-body a {
    color: var(--link-color);
    text-decoration: underline;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.markdown-body blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    background: rgba(212, 163, 115, 0.1);
    padding: 15px;
    border-radius: 0 8px 8px 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.markdown-body th {
    background-color: #f2f2f2;
    font-weight: 600;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2rem;
    margin-bottom: 1em;
}

.markdown-body li {
    margin-bottom: 0.5em;
}


.spoiler {
    background-color: #3e2723;
    color: #3e2723;
    cursor: pointer;
    padding: 0 4px;
    border-radius: 4px;
}

.spoiler:hover,
.spoiler.revealed {
    color: #fff;
}

.highlight {
    background-color: #fff3cd;
    padding: 0 2px;
}


@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    #sidebar {
        width: 280px;
        transform: translateX(-100%);
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
    }

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

    #close-sidebar {
        display: block;
    }

    #main-content {
        margin-left: 0;
        padding: 20px;
        width: 100%;

    }

    #menu-toggle {
        display: block;
    }

    h1 {
        font-size: 2rem;
    }

    .markdown-body img {
        max-width: 100% !important;

        height: auto !important;
    }
}