* {
            box-sizing: border-box;
        }

        body, html {
            margin: 0;
            padding: 0;
            background: #0f0f0f;
            color: #fff;
            font-family: Arial, sans-serif;
            overflow: hidden;
        }

        .player-screen {
            width: 100%;
            height: 100vh;
        }

        .player-menu-screen {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100vh;
            padding: 24px;
            background: linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
        }

        .player-menu {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            width: 100%;
            max-width: 420px;
        }

        .player-menu-title {
            margin: 0 0 8px;
            font-size: 22px;
            font-weight: 600;
            text-align: center;
        }

        .player-menu-subtitle {
            margin: 0 0 24px;
            font-size: 14px;
            color: #aaa;
            text-align: center;
        }

        .player-option {
            appearance: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            border: 1px solid #333;
            background: #222;
            color: #fff;
            padding: 12px 16px;
            cursor: pointer;
            font-size: 16px;
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }

        .player-option .ri-play-circle-line {
            font-size: 22px;
            color: #fff;
            line-height: 1;
            flex-shrink: 0;
            transition: color 0.2s, transform 0.2s;
        }

        .player-option:hover {
            background: #2a2a2a;
            border-color: #555;
        }

        .player-option:hover .ri-play-circle-line {
            transform: scale(1.08);
        }

        .player-view-screen {
            display: none;
            position: relative;
            width: 100%;
            height: 100vh;
        }

        .player-view-screen.is-active {
            display: block;
        }

        .player-menu-screen.is-hidden {
            display: none;
        }

        .player-back {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 10;
            appearance: none;
            border: none;
            background: #007163;
            color: #fff;
            padding: 10px 16px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 15px;
            transition: opacity 0.2s;
        }

        .player-back:hover {
            opacity: 0.85;
        }

        #content-site,
        .embed-container,
        .embed-container iframe {
            margin: 0;
            padding: 0;
        }

        #content-site {
            width: 100%;
            height: 100vh;
        }

        .embed-container {
            position: relative;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .embed-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        .fullwidthimg {
            display: block;
            width: 100%;
            height: auto;
        }