:root {
    --primary-bg: #1e1e1e; /* Dark background */
    --secondary-bg: #2d2d2d; /* Slightly lighter section */
    --highlight: #9b4df2; /* Vibrant purple */
    --accent: #4df2d3; /* Teal accent */
    --text-light: #f5f5f5; /* Light text */
    --text-muted: #b5b5b5; /* Muted text */
    --card-bg: linear-gradient(135deg, var(--accent), var(--highlight));
}

/* General Styles */
body {
    font-family: 'Roboto', sans-serif; /* Clean and modern font */
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg); /* Use primary background */
    color: var(--text-light); /* Use light text */
}

.header {
    margin-top: 50px;
    height: 30px;
    background-color: var(--secondary-bg); /* Secondary background */
    width: 100%;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 999;
    position: relative;
}

/* Container */
.container {
    display: flex;
    max-width: 1200px;
    margin: 30px auto;
    gap: 20px;
    flex-wrap: wrap;
}

/* Left Column: Content */
.content {
    flex: 3;
    padding: 20px;
    background: var(--secondary-bg); /* Secondary background */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Right Column: Sidebar */
.sidebar {
    flex: 1;
    padding: 20px;
    background: var(--secondary-bg); /* Secondary background */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Top Menu Bar */
.top-menu-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--secondary-bg); /* Secondary background */
    border-bottom: 1px solid var(--text-muted); /* Muted text for border */
    z-index: 1000;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
}

.menu-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.menu-left .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent); /* Teal for the logo */
}

.menu-center span {
    font-style: italic;
    font-size: 1rem;
    color: var(--text-muted); /* Muted text */
}

.menu-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-item {
    font-size: 1rem;
    color: var(--text-light); /* Light text */
    text-decoration: none;
    font-weight: 600;
}

.profile-icon {
    width: 40px;
    height: 40px;
    background-color: var(--accent); /* Teal background */
    color: var(--text-light); /* Light text */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
}

.profile-icon:hover {
    background-color: #005960; /* Darker teal */
}

/* Module Containers */
.module-container {
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 10px;
    background: var(--secondary-bg); /* Secondary background */
    border-left: 5px solid var(--highlight); /* Highlight for modules */
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

/* Article Titles */
.article h3 {
    font-size: 1.5rem;
    color: var(--highlight); /* Highlight */
    margin-bottom: 10px;
}

/* Buttons */
.button {
    color: var(--text-light); /* Light text */
    background-color: var(--highlight); /* Highlight for buttons */
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.button:hover {
    background-color: var(--accent); /* Teal on hover */
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--primary-bg); /* Primary background */
    color: var(--text-muted); /* Muted text */
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}

footer a {
    color: var(--text-light); /* Light text */
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--highlight); /* Highlight on hover */
}