body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a237e, #4a148c);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(to bottom, #1565c0, #0d47a1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

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

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.module {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin: 20px 0;
    padding: 20px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.module h2 {
    font-size: 1.8rem;
    color: #ffeb3b;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.module p {
    font-size: 1rem;
    color: #e3f2fd;
    margin-bottom: 15px;
}

.module img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin-top: 10px;
}

.preformatted {
    background: #1e1e1e;
    color: #64dd17;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

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

table th, table td {
    border: 1px solid #ffffff;
    padding: 10px;
    text-align: left;
    color: #bbdefb;
}

table th {
    background: #0d47a1;
    font-weight: bold;
}

.notice {
    text-align: center;
    font-size: 1rem;
    color: #ffccbc;
    margin: 20px 0;
    font-style: italic;
}

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

    .module h2 {
        font-size: 1.5rem;
    }

    .module p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    .module h2 {
        font-size: 1.3rem;
    }

    .module p {
        font-size: 0.8rem;
    }
}