:root {
    --primary-bg: #000000;
    --secondary-bg: #1A1A1A;
    --accent-blue: #0074D9;
    --accent-purple: #8E44AD;
    --accent-green: #2ECC40;
    --text-color: #FFFFFF;
    --shadow-color: rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Roboto', 'Montserrat', sans-serif;
    color: var(--text-color);
    background: linear-gradient(to bottom, var(--primary-bg), var(--secondary-bg));
    margin: 0;
    padding: 0;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: var(--text-color);
    box-shadow: 0 4px 8px var(--shadow-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0;
}

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

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background: var(--secondary-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px var(--shadow-color);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.button {
    background: var(--accent-blue);
    color: var(--text-color);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.button:hover {
    background: var(--accent-green);
    transform: scale(1.1);
}

pre {
    background: #222222;
    color: var(--text-color);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

code {
    color: var(--accent-green);
}

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

table th, table td {
    border: 1px solid #444444;
    padding: 10px;
    text-align: left;
}

table th {
    background: var(--accent-purple);
    color: var(--text-color);
}

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

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

@media (max-width: 400px) {
    pre {
        font-size: 0.8rem;
    }

    code {
        white-space: pre-wrap;
        word-break: break-word;
    }
}