body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0a0c27, #1e1f43);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.8)), url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover;
}

header h1 {
    font-size: 3rem;
    font-weight: bold;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    color: #ffffff;
}

header p {
    font-size: 1.2rem;
    margin-top: 10px;
    color: #cfd8dc;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    box-sizing: border-box;
}

section {
    margin-bottom: 40px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.grid-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.grid-item:hover {
    transform: scale(1.05);
}

code {
    background: rgba(0, 0, 0, 0.5);
    color: #ffcc00;
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

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

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

th {
    background: rgba(0, 0, 0, 0.3);
    color: #ffffff;
}

.button {
    background: #6200ea;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease;
}

.button:hover {
    background: #3700b3;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    .grid-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    pre {
        font-size: 0.8rem;
    }
}