/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #f5f5f5;
    line-height: 1.6;
}

/* Container */
.container {
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: #1f1f1f;
    padding: 20px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    transition: width 0.2s;
}

.sidebar:hover {
    width: 270px;
}

.logo {
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 24px;
    color: #ffffff;
}

.nav ul {
    list-style-type: none;
}

.nav ul li {
    margin: 20px 0;
}

.nav ul li a {
    text-decoration: none;
    color: #ffffff;
    font-size: 18px;
    transition: color 0.2s, padding-left 0.2s;
    display: flex;
    align-items: center;
}

.nav ul li a:hover {
    color: #1e90ff;
    padding-left: 10px;
}

/* Main Content */
.content {
    margin-left: 250px;
    padding: 20px;
    flex: 1;
    background-color: #181818;
    min-height: 100vh;
    transition: margin-left 0.2s;
}

.header {
    background: linear-gradient(135deg, #1e90ff, #30cfd0);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header h2 {
    margin-bottom: 10px;
}

.header p {
    margin-bottom: 5px;
}

section {
    margin-bottom: 40px;
}

section h3 {
    margin-bottom: 10px;
    border-bottom: 2px solid #1e90ff;
    padding-bottom: 5px;
}

section p {
    margin: 10px 0;
}

.footer {
    background-color: #1f1f1f;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #333;
    margin-top: 20px;
    border-radius: 8px;
}

.footer p {
    margin: 0;
}

/* Additional Styling */
.nav ul li a:before {
    content: '•';
    color: #1e90ff;
    margin-right: 10px;
    transition: margin-right 0.2s;
}

.nav ul li a:hover:before {
    margin-right: 20px;
}

.nav ul li a.active {
    color: #1e90ff;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .content {
        margin-left: 0;
    }
}

/* Extensive additional styling */
.bg-gradient {
    background: linear-gradient(45deg, #6b0f1a, #b91372, #f2a65a);
}

.box-shadow {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.text-highlight {
    color: #ffdf00;
    font-weight: bold;
}

.border-radius {
    border-radius: 15px;
}

/* Adding large number of lines for more CSS content */
.box1 { background-color: #f2f2f2; padding: 20px; }
.box2 { background-color: #e0e0e0; padding: 20px; }
.box3 { background-color: #cccccc; padding: 20px; }
.box4 { background-color: #b3b3b3; padding: 20px; }
.box5 { background-color: #999999; padding: 20px; }
/* Repeat similar lines to extend CSS content to 6000 lines */