body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0074D9, #808080);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    background: radial-gradient(circle, #FFA500, transparent);
    padding: 20px;
    text-align: center;
    position: relative;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

header h1 {
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    margin: 0;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.card {
    background: linear-gradient(135deg, #f9f9f9, #ffffff);
    color: #333;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), inset 0 0 10px rgba(255, 255, 255, 0.5);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.icon-lock {
    width: 50px;
    height: 50px;
    background-color: #FFA500;
    border-radius: 10px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2), inset 2px 2px 5px rgba(255, 255, 255, 0.5);
    margin: 0 auto 10px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

pre {
    background: #333;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ddd;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .container {
        grid-template-columns: 1fr;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: 15px;
    }
}