/* CSS Variables for Reusability */
        :root {
            --primary-color: #007bff;
            --primary-hover: #0056b3;
            --secondary-color: #4CAF50;
            --secondary-hover: #45a049;
            --background-light: #f8f9fa;
            --border-color: #a2a9b1;
            --text-color: #333;
            --footer-bg: #1a1a2e;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        /* General Styles */
        body {
            font-family: 'Times New Roman', Times, serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            background: var(--background-light);
            color: var(--text-color);
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        #content {
            max-width: 900px;
            margin: 20px auto;
            padding: 20px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 5px;
        }

        /* Typography */
        h1 {
            font-size: clamp(1.8rem, 5vw, 2rem);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.2em;
        }

        h2 {
            font-size: clamp(1.4rem, 4vw, 1.5rem);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.2em;
            margin-top: 1.5em;
        }

        h3 {
            font-size: clamp(1.1rem, 3vw, 1.2rem);
            margin-top: 1em;
        }

        p {
            margin: 0.5em 0;
        }

        ul {
            margin: 0.5em 0 0.5em 2em;
        }

        /* Infobox Styles */
        .infobox {
            float: right;
            width: 300px;
            border: 1px solid var(--border-color);
            background: var(--background-light);
            padding: 10px;
            margin: 0 0 1em 1em;
            font-size: 0.9em;
        }

        .infobox th {
            text-align: left;
            padding: 5px;
            background: #eaecf0;
        }

        .infobox td {
            padding: 5px;
        }

        .infobox img {
            max-width: 220px;
            width: 100%;
            display: block;
            margin: 0 auto;
        }

        /* Section Image */
        .section-image {
            max-width: 200px;
            width: 100%;
            margin: 1em 0;
            display: block;
        }

        /* Table of Contents */
        .toc {
            background: var(--background-light);
            border: 1px solid var(--border-color);
            padding: 10px;
            margin: 1em 0;
            border-radius: 5px;
        }

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

        .toc ul li {
            margin: 0.2em 0;
        }

        /* References */
        .reference {
            font-size: 0.85em;
            vertical-align: super;
        }

        .references {
            margin-top: 2em;
        }

        .references h2 {
            font-size: clamp(1.2rem, 3vw, 1.3rem);
        }

        .references ol {
            margin: 0.5em 0 0 2em;
        }

        /* Button Container */
        .button-container {
            margin: 1em 0;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .button-container button {
            padding: 10px 15px;
            font-size: 0.9em;
            cursor: pointer;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: background 0.3s ease, transform 0.2s ease;
        }

        .button-container button:hover {
            background: var(--primary-hover);
            transform: scale(1.05);
        }

        .button-container button:focus {
            outline: 2px solid var(--primary-hover);
            outline-offset: 2px;
        }

        .button-container button i {
            font-size: 1em;
        }

  /* Tombol Back to Top dan Back to Home */
        #back-to-top, #back-to-home {
            all: unset;
            position: fixed;
            right: 20px;
            background-color: #192a56;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            cursor: pointer;
            opacity: 0;
            transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.5s ease, background-color 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            transform: translateY(20px);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            z-index: 1000; /* Tombol di atas footer */
        }

        #back-to-home {
            background-color: #4CAF50;
            bottom: 90px;
        }

        #back-to-top {
            bottom: 20px;
        }

        #back-to-top.show, #back-to-home.show {
            opacity: 1;
            transform: translateY(0);
        }

        #back-to-top svg, #back-to-home svg {
            width: 32px;
            height: 32px;
            fill: #fff;
            transition: transform 0.5s ease;
        }

        #back-to-top:hover, #back-to-home:hover {
            background-color: #273c75;
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
        }

        #back-to-home:hover {
            background-color: #45a049;
        }

        #back-to-top:hover svg, #back-to-home:hover svg {
            transform: rotate(360deg);
        }

        #back-to-top:active, #back-to-home:active {
            transform: scale(0.9);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        /* Footer */
        footer {
            background: var(--footer-bg);
            padding: 20px;
            text-align: center;
            color: #f0f0f0;
            font-family: 'Arial', sans-serif;
            border-top: 2px solid var(--primary-color);
        }

        footer p {
            margin: 0;
            font-size: 14px;
            letter-spacing: 1px;
        }

        footer a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: var(--secondary-color);
        }

        /* Responsive Design */
        @media screen and (max-width: 600px) {
            #content {
                margin: 10px;
                padding: 15px;
            }

            h1 {
                font-size: clamp(1.6rem, 4vw, 1.8rem);
            }

            h2 {
                font-size: clamp(1.3rem, 3.5vw, 1.4rem);
            }

            .infobox {
                float: none;
                width: 100%;
                margin: 0 0 1em 0;
            }

            .infobox img {
                max-width: 180px;
            }

            .section-image {
                max-width: 150px;
            }

            .button-container {
                flex-direction: column;
                gap: 8px;
            }

            .button-container button {
                width: 100%;
                padding: 12px;
                font-size: 1em;
            }

            #back-to-top, #back-to-home {
                width: 40px;
                height: 40px;
            }

            #back-to-top svg, #back-to-home svg {
                width: 20px;
                height: 20px;
            }
        }

        @media screen and (max-width: 900px) and (min-width: 601px) {
            #content {
                max-width: 100%;
                margin: 15px;
                padding: 15px;
            }

            .infobox {
                width: 250px;
            }

            .infobox img {
                max-width: 200px;
            }

            .section-image {
                max-width: 180px;
            }

            .button-container button {
                padding: 10px 12px;
                font-size: 0.85em;
            }
        }
        
        
                .video-container {
            position: relative;
            width: 100%;
            max-width: 100%;
            height: auto;
            overflow: hidden;
        }

        .video-container video {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Maintain aspect ratio for different orientations */
        @media screen and (orientation: portrait) {
            .video-container {
                aspect-ratio: 16 / 9; /* Standard video aspect ratio */
            }
        }

        @media screen and (orientation: landscape) {
            .video-container {
                aspect-ratio: 16 / 9;
            }
        }

        /* Ensure player controls are accessible on small screens */
        @media screen and (max-width: 600px) {
            .fluid_player_layout_control_bar {
                font-size: 14px;
            }
        }