.app-container-body {
            background-color: #f5f5f5;
            color: #333;
            max-width: 414px; /* iPhone Plus width */
            margin: 0 auto;
            position: relative;
            height: 100vh;
        }

        .app-container-body *{
          margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        
        .app-container {
            background-color: white;
            height: 100%;
            overflow: hidden;
            position: relative;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        
        /* Skeleton Components */
        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: 4px;
        }
        
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        
        /* Header */
        .header {
            padding: 16px;
            border-bottom: 1px solid #eaeaea;
            display: flex;
            align-items: center;
        }
        
        .back-button {
            width: 24px;
            height: 24px;
            margin-right: 16px;
        }
        
        .header-title {
            width: 140px;
            height: 24px;
        }
        
        /* Content */
        .loading_content {
            padding: 16px;
        }
        
        /* Profile */
        .profile {
            display: flex;
            align-items: center;
            margin-bottom: 24px;
        }
        
        .avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
        }
        
        .profile-info {
            margin-left: 16px;
            flex: 1;
        }
        
        .profile-name {
            width: 120px;
            height: 20px;
            margin-bottom: 8px;
        }
        
        .profile-description {
            width: 200px;
            height: 14px;
        }
        
        /* Media Card */
        .media-card {
            margin-bottom: 24px;
        }
        
        .media-image {
            width: 100%;
            height: 200px;
            border-radius: 8px;
            margin-bottom: 12px;
        }
        
        .media-title {
            width: 70%;
            height: 18px;
            margin-bottom: 8px;
        }
        
        .media-text {
            width: 90%;
            height: 14px;
            margin-bottom: 6px;
        }
        
        /* List Items */
        .list-item {
            display: flex;
            padding: 12px 0;
            border-bottom: 1px solid #eaeaea;
            align-items: center;
        }
        
        .list-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            margin-right: 12px;
        }
        
        .list-item-content {
            flex: 1;
        }
        
        .list-item-title {
            width: 60%;
            height: 16px;
            margin-bottom: 6px;
        }
        
        .list-item-subtitle {
            width: 40%;
            height: 12px;
        }
        
        /* Bottom Navigation */
        .bottom-nav {
            display: flex;
            justify-content: space-around;
            padding: 12px 8px;
            position: absolute;
            bottom: 0;
            width: 100%;
            background-color: white;
            border-top: 1px solid #eaeaea;
        }
        
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .nav-icon {
            width: 24px;
            height: 24px;
            margin-bottom: 4px;
        }
        
        .nav-label {
            width: 48px;
            height: 12px;
        }
        
        /* Actual Content (hidden initially) */
        .real-content {
            display: none;
            padding: 16px;
        }
        
        /* Control */
        .controls {
            position: fixed;
            top: 10px;
            right: 10px;
            z-index: 100;
            padding: 8px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 4px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }