:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --primary-color: #9b4dca;
    --secondary-color: #606c76;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --card-bg: #ffffff;
    --card-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    --footer-bg: #f8f9fa;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --primary-color: #b366d9;
    --secondary-color: #a0a0a0;
    --nav-bg: rgba(26, 26, 26, 0.95);
    --card-bg: #2d2d2d;
    --card-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    --footer-bg: #2d2d2d;
}

/* Theme toggle button styles */
.theme-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle i {
    color: var(--text-color);
    width: 20px;
    height: 20px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    padding-top: 60px;
    transition: background-color 0.3s, color 0.3s;
}

/* Navbar Styles */
.navbar {
    background-color: var(--nav-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: bold;
}

.nav-link {
    color: var(--text-color) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 400px;
    overflow: hidden;
    margin-top: -60px;
    margin-bottom: 2rem;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-section {
    margin: 2rem auto 4rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    max-width: 900px;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.1rem;
    text-align: justify;
    transition: background-color 0.3s, box-shadow 0.3s;
}

/* Section Styles */
.section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.2s ease, background-color 0.3s, box-shadow 0.3s;
}

.link-card:hover {
    transform: translateY(-5px);
    color: var(--primary-color);
}

.link-card i {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Blog Styles */
.blog-title {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.blog-post {
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.post-meta {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.category-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.9rem;
}

.categories-sidebar {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.no-posts {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    color: var(--text-color);
    transition: background-color 0.3s, box-shadow 0.3s;
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    padding: 1rem 0;
    margin-top: 4rem;
    transition: background-color 0.3s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
}