#incomingRequestModal .modal-content {
    background: linear-gradient(145deg, #4a4a4a, #2c2c2c);
    border: 2px solid #f1c40f;
}
#incomingRequestModal h2 {
    color: #f1c40f;
}

        /* 모든 CSS 스타일은 여기에 통합됩니다. */
    body { 
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; 
            display: flex; flex-direction: column;
            align-items: center; justify-content: center; min-height: 100vh;
            margin: 0; padding: 20px; box-sizing: border-box;
            background-image: url('backbord.jpg');
            background-repeat: no-repeat; background-size: cover;
            background-position: center center; background-color: #000000;
            color: #ffffff; overflow-x: hidden;
        }
    #authButtons .admin-button {
        background-color: #e67e22; /* 주황색 계열 */
        color: white;
        text-decoration: none;
        display: inline-block;
         vertical-align: middle; /* 다른 버튼과 세로 정렬 맞춤 */
    }
        body.menu-visible { align-items: center; justify-content: center; overflow-y: auto; }
#blockClicks {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;
    pointer-events: none; /* 'all'을 'none'으로 변경 */
}
        #openingVideoPlayer { position: fixed; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 10000; background-color: #000; display: none; pointer-events: none; }
        .menu-container { display: none; text-align: center; width: 100%; }
        .program-title { font-size: 1.8em; color: #d80012; margin: 15px 0 10px 0; text-shadow: 0 0 8px rgba(0,0,0,0.7); }
        .program-title2 { font-size: 1.8em; color: #00ffdd; margin: 15px 0 10px 0; text-shadow: 0 0 8px rgba(0,0,0,0.7); }
        .program-subtitle { font-size: 1.1em; color: #ffffff; margin-bottom: 20px; text-shadow: 0 0 8px rgb(0, 0, 0); }
        .menu-button { display: block; background-color: rgba(0, 0, 0, 0.6); color: white; padding: 20px 30px; margin: 15px auto; border: 1px solid rgba(255,255,255,0.3); border-radius: 10px; text-decoration: none; font-size: 1.3em; width: auto; min-width: 300px; max-width: 90%; box-sizing: border-box; box-shadow: 0 2px 5px rgba(0,0,0,0.3); transition: background-color 0.3s ease, transform 0.1s ease; }
        .menu-button:hover { background-color: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
        .menu-button .main-text { display: block; font-size: 1.2em; font-weight: bold; color: #87CEFA; }
        .menu-button .sub-text { display: block; font-size: 0.8em; color: #f0f0f0; margin-top: 5px; }
        body.logged-out .menu-button-app { pointer-events: none; opacity: 0.5; cursor: not-allowed !important; }
        #authButtons { position:absolute; top:15px; right:15px; z-index:101; text-align: right; }
        #authButtons button, #authButtons a { min-width: auto; padding: 5px 12px; font-size: 0.85em; margin-left: 5px; cursor: pointer; border: none; border-radius: 5px; background-color: #007bff; color: white; display: inline-block; vertical-align: middle; }
        #authButtons button:hover, #authButtons a:hover { background-color: #0056b3; }
        
        #authButtons .admin-button:hover { background-color: #d35400; }
        #userInfoDisplayArea { display: none; width: fit-content; max-width: 95%; margin: 10px auto; padding: 8px 15px; background-color: rgba(20, 20, 20, 0.8); border-radius: 8px; color: #f0f0f0; text-align: center; box-shadow: 0 1px 4px rgba(0,0,0,0.3); z-index: 100; font-size: 0.85em; }
        #userInfoDisplayArea span { margin: 0 7px; white-space: nowrap; }
        #licenseInfo { min-height: 1.1em; font-size: 0.9em; color: #FFA500; margin-bottom: 10px; }
        #loginRequiredMessage { display: none; font-size: 1.8em; color: #FFC107; margin: 20px 0; text-align: center; font-weight: bold; text-shadow: 1px 1px 2px rgba(0,0,0,0.5); }
        .copyright-container { display: none; position: fixed; bottom: 10px; left: 50%; transform: translateX(-50%); font-size: 0.8em; color: rgba(255, 255, 255, 0.7); z-index: 100; }
        .modal { display: none; position: fixed; z-index: 10001; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.7); align-items: center; justify-content: center; }
        .modal-content { background-color: #2c2c2c; color: white; padding: 25px; border-radius: 10px; width: 90%; max-width: 420px; text-align: left; box-shadow: 0 5px 15px rgba(0,0,0,0.5); }
        .modal-content h2 { margin-top:0; color: #87CEFA; }
        .modal-content label { display: block; margin-top: 10px; margin-bottom: 5px; font-size:0.9em; }
        .modal-content input { width: calc(100% - 20px); padding: 10px; margin-bottom: 12px; border-radius: 5px; border: 1px solid #555; background-color: #333; color:white; }
        .modal-content button { width: 100%; padding: 12px; margin-top:15px; border-radius:5px; background-color: #007bff; color:white; border:none; cursor:pointer; }
        .modal-content button:hover { background-color: #0056b3; }
        .close-button { float: right; font-size: 1.8em; cursor: pointer; color: #aaa; line-height: 1; padding: 0 5px; }
        .close-button:hover { color: white; }
        #challengeModal p { margin-top: 0; margin-bottom: 20px; border-bottom: 1px solid #444; padding-bottom: 15px; }
        #challengeModal strong { color: #FFC107; }
        .game-selection-group { display: flex; gap: 15px; margin-bottom: 15px; }
        .game-selection-group .game-option { display: flex; align-items: center; cursor: pointer; font-size: 1em; }
        .game-selection-group input[type="radio"] { width: auto; margin-right: 8px; }
        /* 로비 창 관련 스타일 */
        #inactivityTimerDisplay { font-weight: normal; font-size: 0.85em; color: #FFCA28; margin: 0 auto; pointer-events: none; }
        .menu-button.disabled {
            pointer-events: none;
            opacity: 0.5;
            cursor: not-allowed !important;
        }