* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo-img {
    max-width: 120px;
    height: auto;
}

.message-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.message-box h1 {
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.message-box p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.app-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    padding: 12px 24px;
    border: 2px solid #667eea;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.app-link:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .message-box {
        padding: 30px 20px;
    }
    
    .message-box h1 {
        font-size: 2rem;
    }
    
    .message-box p {
        font-size: 1rem;
    }
}