/* ---------- THEME VARIABLES ---------- */
        :root {
            --primary-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --bg-color: #cecccc;
            --primary-color: #d4d4d4;
            --secondary-color: #b2bfbf;
            --text-color: #444849;
            --border-color: #8f9ba1;
            --shadow-color: #44444440;
            --border-radius: 5px;
        }

        body.dark {
            --bg-color: #181a1f;
            --primary-color: #32373d;
            --secondary-color: #21282e;
            --text-color: #70808d;
            --border-color: #3f454b;
            --shadow-color: #08080880;
        }

        body {
            font-family: var(--primary-font);
            padding: 80px 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            background-color: var(--bg-color);
            color: var(--text-color);
            transition: all 0.3s ease-in-out;
        }

        section {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            padding: 20px;
            background-color: var(--secondary-color);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            gap: 10px;
            width: 50vw;
            transition: all 0.3s ease-in-out;
        }

        summary {
            cursor: pointer;
            margin: 0px;
            padding: 5px 20px;
            background-color: var(--primary-color);
            border: 1px solid var(--border-color);
            box-shadow: 0 0 10px var(--shadow-color);
            border-radius: var(--border-radius);
            text-align: center;
            transition: all 0.3s ease-in-out;
            user-select: none;
        }

        summary:hover {
            scale: 1.025;
        }

        h1 {
            font-size: 5rem;
        }

        h3 {
            margin: 0;
            padding: 0;
        }

        summary img {
            width: 100%;
            border-radius: var(--border-radius);
        }

        ul {
            margin: 0;
            padding: 10px 0;
            width: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: stretch;
        }

        ul p {
            margin: 5px 0 0 0;
            padding: 0 0 5px 5px;
            display: block;
            text-align: center;
            font-size: 1rem;
            font-weight: bold;
        }

        li {
            margin: 5px;
            padding: 5px;
            display: block;
            border: 1px solid var(--border-color);
            background-color: var(--bg-color);
            border-radius: var(--border-radius);
            list-style-type: none;
            text-align: center;
        }

        /* ---------- THEME TOGGLE BUTTON ---------- */
        #theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 10px 15px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-size: 14px;
            background: var(--border-color);
            color: var(--bg-color);
            transition: background 0.3s, color 0.3s;
        }