:root {
            --main-text-color: #ddd;
            --border-color: #C8A977;
            --search-input-color: black;
            --link-color: #FF0000;
            --background-color: #111;
            --menu-background: #222;
        }

        * {
            box-sizing: border-box;
        }

        html, body {
            margin: 0; 
            padding: 0;
            height: 100%;
            background-color: var(--background-color);
            font-family: 'Source Code Pro', "MS Gothic", IPAMonaGothic, IPAGothic, "BIZ UDGothic", HGGothicM, "Noto Sans Mono CJK JP", "Noto Sans Mono", monospace;
            font-size: 14px;
            color: var(--main-text-color);
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
            overflow-x: hidden;
        }
        
        a {
            color: var(--link-color);
            background-color: transparent;
            text-decoration: none;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
        }

        a:hover {
            text-decoration: underline;
        }

        /* Header and menu */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--background-color);
            padding: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .menu-toggle {
            display: block;
            width: 100%;
            padding: 12px;
            background-color: black;
            color: var(--link-color);
            border: 1px solid var(--link-color);
            border-radius: 4px;
            text-align: center;
            font-weight: bold;
            margin-bottom: 10px;
            cursor: pointer;
        }

        .main-menu {
            display: none;
            flex-direction: column;
            background-color: var(--menu-background);
            border: 1px solid var(--link-color);
            border-radius: 4px;
            padding: 10px;
            margin-bottom: 15px;
        }

        .main-menu.show {
            display: flex;
        }

        .main-menu a {
            padding: 10px;
            border-bottom: 1px solid #333;
        }

        .main-menu a:last-child {
            border-bottom: none;
        }

        /* Search box */
        .search-container {
            width: 100%;
            padding: 10px;
            background-color: var(--background-color);
            margin-bottom: 15px;
        }

        .search-form {
            display: flex;
            flex-direction: column;
        }

        .search-input {
            color: var(--link-color);
            background-color: #3A3A3A;
            border: 1px solid var(--link-color);
            padding: 12px;
            margin-bottom: 10px;
            text-align: center;
            border-radius: 4px;
            font-size: 16px; /* Larger for touch */
        }

        input[type="submit"] {
            color: var(--link-color);
            background-color: black;
            padding: 12px;
            border: 1px solid var(--link-color);
            cursor: pointer;
            border-radius: 4px;
            font-weight: bold;
            font-size: 16px;
        }

        /* Content sections */
        .content-section {
            margin-bottom: 20px;
            padding: 0 10px;
        }

        .section-title {
            color: var(--link-color);
            font-size: 1.2em;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 5px;
            margin-bottom: 10px;
        }

        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 10px;
        }

        .link-item {
            padding: 10px;
            background-color: #1a1a1a;
            border: 1px solid #333;
            border-radius: 4px;
            text-align: center;
        }

        /* Gallery items for mobile */
        .gallery-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 15px;
            padding: 10px;
        }

        .gallery-item {
            border: 2px ridge var(--border-color);
            border-radius: 4px;
            overflow: hidden;
        }

        .gallery-item:hover {
            border: 2px ridge var(--link-color);
        }

        .gallery-item img {
            width: 100%;
            height: auto;
            display: block;
        }

        .gallery-desc {
            padding: 8px;
            text-align: center;
            font-size: 0.9em;
            color: var(--link-color);
            background-color: #1a1a1a;
        }

        /* Date and time */
        .datetime {
            padding: 10px;
            text-align: center;
            margin: 15px 0;
        }

        #realtime-date, #realtime-clock {
            color: var(--link-color);
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
            margin: 5px 0;
        }

        /* Footer */
        .footer {
            padding: 15px;
            text-align: center;
            border-top: 1px solid #333;
            margin-top: 20px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .footer-links a {
            padding: 5px;
        }

        /* Collapsible sections */
        .collapsible {
            background-color: #1a1a1a;
            color: var(--link-color);
            cursor: pointer;
            padding: 12px;
            width: 100%;
            border: 1px solid var(--border-color);
            text-align: left;
            outline: none;
            font-size: 1em;
            font-weight: bold;
            margin-bottom: 5px;
            border-radius: 4px;
        }

        .active, .collapsible:hover {
            background-color: #222;
        }

        .collapsible-content {
            padding: 0 10px;
            display: none;
            overflow: hidden;
            background-color: #1a1a1a;
            margin-bottom: 10px;
            border-radius: 0 0 4px 4px;
        }

        /* XXX Verification Modal */
        .xxx-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .xxx-modal-content {
            background-color: var(--menu-background);
            padding: 20px;
            border-radius: 8px;
            border: 2px solid var(--link-color);
            text-align: center;
            max-width: 90%;
            width: 350px;
        }

        .xxx-logo {
            width: 80px;
            height: 80px;
            margin: 0 auto 15px;
            background-color: #333;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 24px;
            color: var(--link-color);
            border: 2px solid var(--link-color);
        }

        .xxx-buttons {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
        }

        .xxx-button {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
        }

        .xxx-confirm {
            background-color: #4CAF50;
            color: white;
        }

        .xxx-deny {
            background-color: #f44336;
            color: white;
        }

        /* XXX Section */
        .xxx-section {
            margin: 20px 0;
            text-align: center;
        }

        .xxx-toggle {
            padding: 12px 20px;
            background-color: #333;
            color: var(--link-color);
            border: 1px solid var(--link-color);
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .xxx-list {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: var(--menu-background);
            border: 1px solid var(--link-color);
            border-radius: 8px;
            padding: 10px;
            max-width: 200px;
            display: none;
            z-index: 999;
        }

        .xxx-list-title {
            color: var(--link-color);
            font-weight: bold;
            margin-bottom: 8px;
            text-align: center;
            border-bottom: 1px solid #444;
            padding-bottom: 5px;
        }

        .xxx-list-item {
            margin: 5px 0;
            text-align: center;
        }

        /* Responsive adjustments */
        @media (min-width: 768px) {
            body {
                font-size: 16px;
            max-width: 800px;
                margin: 0 auto;
            }
            
            .link-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
            
            .gallery-container {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
        }