body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.logo {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 50px; /* Adjust size as needed */
    height: auto;
}

.container {
    text-align: center;
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

p {
    font-size: 1.5rem;
    color: #7f8c8d;
    margin-top: 0;
    margin-bottom: 1rem;
}

#availability-message {
    display: none;
    margin-top: 20px;
    font-weight: bold;
    color: #3498db; /* Highlight color matching the loader */
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #121212;
        color: #e0e0e0;
    }

    .container {
        background: #1e1e1e;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    h1 {
        color: #ecf0f1;
    }

    p {
        color: #bdc3c7;
    }

    #availability-message {
        color: #3498db;
    }

    .loader {
        border: 5px solid #2c3e50;
        border-top: 5px solid #3498db;
    }
}