/* Reset and base styles */
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f2f1;
    color: #323130;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

/* Fade-in container */
.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    max-width: 480px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.logo img {
    max-width: 160px;
    margin-bottom: 24px;
}

/* Headings and text */
h1 {
    color: #0078d4; /* Microsoft blue */
    font-size: 28px;
    margin-bottom: 12px;
}

p {
    font-size: 18px;
    margin-bottom: 24px;
    color: #605e5c;
    line-height: 1.5;
}

.footer {
    font-size: 14px;
    color: #a19f9d;
    margin-top: 20px;
}

/* Spinner */
.spinner {
    border: 5px solid #e0e0e0;
    border-top: 5px solid #0078d4;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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