@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent-color: #ff4444;
    --border-color: #404040;
    --card-bg: #333333;
    --hover-color: #3a3a3a;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
}

.navbar {
    background-color: var(--bg-secondary);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background-color: var(--accent-color);
}

.theme-toggle {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.theme-toggle:hover {
    color: var(--accent-color);
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.article-header {
    margin-bottom: 3rem;
}

.article-category {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    margin-bottom: 1rem;
}

.article-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-meta i {
    color: var(--accent-color);
}

.article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.article-tag {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.back-to-home {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 2rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.back-to-home:hover {
    color: var(--text-primary);
}

/* Light Theme Support */
body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-color: #0066cc;
    --border-color: #e0e0e0;
    --card-bg: #ffffff;
    --hover-color: #f0f0f0;
}

body.light-theme .nav-links a:hover,
body.light-theme .nav-links a.active {
    color: var(--text-primary);
    background-color: var(--accent-color);
}

/* Responsive Design Improvements */
@media (max-width: 1024px) {
    main {
        padding: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 2rem;
        justify-content: space-between; /* Keep logo on left, theme toggle on right */
        position: relative;
    }

    .nav-links {
        display: none; /* Hide only the nav links */
    }

    .nav-brand {
        display: block; /* Keep logo visible */
    }

    .theme-toggle {
        display: block; /* Keep theme toggle visible */
    }

    .article-title {
        font-size: 1.5rem;
    }

    .article-content {
        font-size: 0.875rem;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-link {
    text-decoration: none;
    color: var(--accent-color);
}

.logo-link:hover,
.logo-link:active {
    color: var(--accent-color);
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}