:root {
        --background-primary: #202020;
        --text-normal: #dcddde;
        --text-muted: #999;
        --text-faint: #666;
        --interactive-accent: #4e78e4;
        --background-secondary: #2a2a2a;
        --background-modifier-border: #444;
        --background-modifier-hover: #3a3a3a;
        --highlight-bg: rgba(233, 172, 39, 0.4);
        --code-background: #282c34;
        --tag-background: #3e445e;
    }

    body {
        font-family: 'Inter', sans-serif;
        background-color: var(--background-primary);
        color: var(--text-normal);
        line-height: 1.6;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    .container {
        max-width: 900px;
        margin: 0 auto;
        padding: 2rem;
    }

    header {
        text-align: center;
        padding-bottom: 3rem;
        margin-bottom: 3rem;
        border-bottom: 1px solid var(--background-modifier-border);
    }

    header h1 {
        font-size: 3.5rem;
        font-weight: 800;
        letter-spacing: -0.025em;
        color: var(--text-normal);
        margin: 0;
    }

    header p {
        margin-top: 1rem;
        font-size: 1.25rem;
        color: var(--text-muted);
    }

    main h2 {
        font-size: 1.75rem;
        font-weight: 600;
        color: var(--text-normal);
        margin-bottom: 2.5rem;
        border-left: 4px solid var(--interactive-accent);
        padding-left: 1rem;
    }

    .index-section {
        margin-bottom: 3rem;
        padding: 1.5rem;
        background-color: var(--background-secondary);
        border-radius: 12px;
        border: 1px solid var(--background-modifier-border);
    }
    
    .index-section h3 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--text-normal);
        margin-top: 0;
        margin-bottom: 1.5rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--background-modifier-border);
        display: flex;
        align-items: center;
    }
    
    .index-section h3 img {
        width: 2rem;
        height: 2rem;
        margin-right: 0.75rem;
        color: var(--interactive-accent);
    }

    .index-section h3 svg {
        width: 2rem;
        height: 2rem;
        margin-right: 0.75rem;
        color: var(--interactive-accent);
    }

    .index-section > p {
        color: var(--text-muted);
        margin-bottom: 2rem;
    }

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

    .file-list li {
        margin-bottom: 1rem;
    }
    .file-list li:last-child {
        margin-bottom: 0;
    }

    .file-list a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
        background-color: var(--background-primary);
        border-radius: 8px;
        text-decoration: none;
        transition: background-color 0.2s, color 0.2s;
        font-size: 1.125rem;
        font-weight: 500;
        color: var(--text-normal);
    }

    .file-list a:hover {
        background-color: var(--background-modifier-hover);
        color: white;
    }

    .file-list a .arrow-icon {
        width: 1.5rem;
        height: 1.5rem;
        color: var(--text-faint);
        transition: transform 0.2s, color 0.2s;
    }
    
    .file-list a:hover .arrow-icon {
        transform: translateX(4px);
        color: var(--interactive-accent);
    }

    .empty-section {
        text-align: center;
        padding: 2rem;
        background-color: var(--background-primary);
        border-radius: 8px;
        border: 2px dashed var(--background-modifier-border);
    }
    
    .empty-section p {
        color: var(--text-muted);
        font-style: italic;
    }

    footer {
        margin-top: 4rem;
        padding-top: 2rem;
        border-top: 1px solid var(--background-modifier-border);
        text-align: center;
        color: var(--text-faint);
        font-size: 0.875rem;
    }