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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #5a5a5a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

.content {
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    max-width: 450px;
    width: 100%;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.message {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        max-width: 300px;
    }

    h1 {
        font-size: 2rem;
    }

    .message {
        font-size: 1rem;
    }

    .content {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 250px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .message {
        font-size: 0.9rem;
    }
}