/* Base styles and reset */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.container {
    display: grid;
    grid-template-areas:
        "header header"
        "toc main";
    grid-template-rows: auto minmax(0, 1fr);
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
    height: 100%;
}

.header {
    grid-area: header;
    background-color: #9ef1aa;
    color: #1a237e;
    padding: 0.4rem;
    padding-left: 2rem;
    padding-right: 2rem;
    text-align: left;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 a {
    color: #1a237e;
    text-decoration: none;
}

.header h1 a:hover {
    text-decoration: underline;
}

.toc {
    grid-area: toc;
    background-color: #f3ffad;
    padding: 1.5rem;
    overflow-y: auto;
    border-right: 1px solid #e0e0e0;
    /* Add flex display to enable spacing between lists */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
}

.toc-primary {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-secondary {
    list-style: none;
    padding: 0;
    margin: 0;
    /* Add a top border to visually separate the bottom list */
    border-top: 1px solid #e0e0e0;
    padding-top: 1rem;
}

.toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc a {
    display: block;
    padding: 0.75rem 1rem;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toc a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toc a.active {
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.08);
    color: #1a237e;
}

.submenu {
    list-style: none;
    padding-left: 1.5rem;
    margin: 0.2rem 0;
}

.submenu a {
    font-size: 0.85rem;
    padding: 0.35rem 1rem;
    color: #666;
}

.submenu li {
    line-height: 1.5;
}

.toc-primary > li > a {
    margin-bottom: 0.1rem;
}

.main-content {
    grid-area: main;
    padding: 1.5rem;
    overflow: hidden;
    background-color: #ffffff;
}

#content {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    background-color: #ffffff;
}

#content iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Page container defaults */
.home-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Home page styles */
.home-header {
    text-align: center;
    padding: 2rem 0;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.home-header h1 {
    color: #2c3e50;
    margin: 0;
}

.home-header .subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.home-section {
    background-color: #fff;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.home-section h2 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

.skill-list, .interest-list, .hobby-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.tag {
    background-color: #e0e0e0;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.tag.skill { background-color: #e1f5fe; }
.tag.interest { background-color: #e8f5e9; }
.tag.hobby { background-color: #fff3e0; }

/* Blog page styles */
.blog-page {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    color: #1a1a1a;
}

.blog-page h1 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.blog-page .date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.blog-page .diagram {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    margin: 1.5rem 0;
}

.blog-page code {
    font-family: 'Courier New', Courier, monospace;
    background: #f8f9fa;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

.blog-page pre {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
}

.blog-page .note {
    background: #fff8dc;
    padding: 1rem;
    border-left: 4px solid #ffd700;
    margin: 1.5rem 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        grid-template-areas:
            "header"
            "toc"
            "main";
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .toc {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        padding: 1rem;
    }

    .toc ul {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .toc a {
        padding: 0.5rem 1rem;
    }

    .main-content {
        padding: 1rem;
    }
}