body, html {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

h1 {
    font-size: 2.5em;
    color: #333;
}

p {
    font-size: 1.2em;
    color: #666;
}

.loader {
    margin: 30px auto;
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1.5s linear infinite;
}

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