body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0D1B2A, #162447);
    color: #E0E0E0;
    line-height: 1.6;
}

header {
    background: linear-gradient(90deg, #1E90FF, #4682B4);
    padding: 20px;
    text-align: center;
    color: white;
    position: relative;
}

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

header p {
    font-size: 1.2rem;
    margin-top: 10px;
    color: #D4F1F4;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.3);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 10px;
}

.card h3 {
    font-size: 1.5rem;
    color: #00FF7F;
    margin-bottom: 10px;
}

.card p {
    font-size: 1rem;
    color: #E0E0E0;
}

.code-block {
    background: #1E1E1E;
    color: #00FF7F;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    margin: 20px 0;
}

.table-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    color: #E0E0E0;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

th {
    background: #003366;
    color: #00FF7F;
}

td {
    background: rgba(255, 255, 255, 0.05);
}

button {
    background: #007BFF;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

button:hover {
    background: #0056b3;
    transform: scale(1.1);
}

footer {
    background: #0D1B2A;
    color: #D4F1F4;
    text-align: center;
    padding: 10px;
    font-size: 0.9rem;
}

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

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

    .card h3 {
        font-size: 1.3rem;
    }
}