body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #000046, #1cb5e0, #7f00ff);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    background: url('https://images.gptkong.com/demo/sample1.png') center/cover, 
                linear-gradient(to bottom, #000046, #1cb5e0);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

header h1 {
    font-size: 4rem;
    font-weight: bold;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    animation: fadeIn 3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: url('https://images.gptkong.com/demo/sample2.png') repeat;
    animation: moveStars 60s linear infinite;
}

@keyframes moveStars {
    from { transform: translate(0, 0); }
    to { transform: translate(-50%, -50%); }
}

.container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
}

@media (min-width: 768px) {
    .container {
        grid-template-columns: 200px 1fr;
    }
}

.sidebar {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.main-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
}

button {
    background-color: #ff9100;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #ffae42;
    box-shadow: 0 0 10px #ff9100;
}

code {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    display: block;
    white-space: pre-wrap;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

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