body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #1E272E, #000000);
    color: #F5F5F5;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

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

header {
    background: radial-gradient(circle, #00BFFF, transparent);
    padding: 20px;
    text-align: center;
    position: relative;
    animation: glow 5s infinite alternate;
}

header h1 {
    font-size: 2.5rem;
    text-shadow: 0 0 10px #FFFFFF;
}

@keyframes glow {
    0% { background: radial-gradient(circle, #00BFFF, transparent); }
    100% { background: radial-gradient(circle, #6C5CE7, transparent); }
}

nav {
    background: #1E272E;
    padding: 10px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav a {
    color: #F5F5F5;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: all 0.3s ease;
}

nav a:hover {
    color: #6C5CE7;
    transform: scale(1.1);
}

main {
    padding: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.5));
}

.card {
    background: #1E272E;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

code {
    background: #28A745;
    color: #FFFFFF;
    padding: 2px 5px;
    border-radius: 5px;
    font-family: 'Consolas', monospace;
}

pre {
    background: #1E272E;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

button {
    background: linear-gradient(135deg, #6C5CE7, #3F51B5);
    color: #FFFFFF;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #00BFFF;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

footer {
    background: #1E272E;
    color: #F5F5F5;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

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

    nav a {
        display: block;
        margin: 10px 0;
    }

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

@media (max-width: 480px) {
    pre {
        font-size: 14px;
    }
}