body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a254d, #3c2f6e);
    color: white;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}
header {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 20px 10px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}
header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}
main {
    width: 90%;
    max-width: 1400px;
    margin: 20px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
.code-block {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #00ff99;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
}
table th {
    background: rgba(0, 0, 0, 0.5);
}
@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
    .card {
        padding: 15px;
    }
    .code-block {
        font-size: 0.8rem;
    }
}
footer {
    width: 100%;
    text-align: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    margin-top: auto;
}