/* Root Variables */
:root {
    --bg-color: #f4f1ea;
    --text-color: #222;
    --accent-color: #3b82f6;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-serif: 'Merriweather', 'Georgia', serif;
}

/* Dark Mode */
.dark-mode {
    color-scheme: dark;
    --bg-color: #1c1b22;
    --text-color: #e0e0e0;
    --accent-color: #4a90e2;
    --card-bg: #25232a;
    --card-shadow: 0 4px 8px rgba(255, 255, 255, 0.08);
}

/* Global Styles */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background 0.3s, color 0.3s;
    margin: 0;
    padding: 0;
    line-height: 1.8;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

h1 {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin: 0;
    font-weight: 700;
}

/* Header Controls */
.header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Buttons & Select */
button, select {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
    font-size: 1rem;
    font-family: var(--font-sans);
}

button:hover, select:hover {
    background-color: #3366cc;
    transform: translateY(-2px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

button:focus, select:focus {
    outline: 3px solid rgba(59, 130, 246, 0.5);
}

/* Articles Grid */
#articles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

/* Article Cards */
.article-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    cursor: pointer;
    border-left: 4px solid var(--accent-color);
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Make entire article clickable */
.article-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    width: 100%;
    padding: 20px;
}

/* Article Image */
.article-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.article-card:hover img {
    opacity: 0.9;
}

/* Article Content */
.article-content {
    padding: 20px;
}

/* Article Titles */
.article-card h3 {
    color: var(--accent-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* Article Description */
.article-card p {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* Article Meta */
.article-meta {
    font-size: 0.85rem;
    color: #555;
    margin-top: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

/* Category Badge */
.article-category {
    background-color: var(--accent-color);
    color: white;
    padding: 3px 8px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Dark Mode Enhancements */
.dark-mode .article-meta {
    color: #bbb;
}

.dark-mode .article-card p {
    color: #ccc;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 2px solid var(--accent-color);
    font-size: 0.9rem;
}

/* Responsive Fixes */
@media (max-width: 768px) {
    #articles {
        grid-template-columns: 1fr;
    }

    .header-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        padding-bottom: 10px;
    }

    h1 {
        margin-bottom: 10px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a7bc8;
}

/* Dark Mode Scrollbar */
.dark-mode ::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.dark-mode ::-webkit-scrollbar-thumb {
    background: var(--accent-color);
}


.article-card img {
    display: block;
    width: 100%;
    height: auto; /* Change from fixed height */
    min-height: 180px; /* Ensures a placeholder space */
    background-color: #ddd; /* Temporary background for visibility */
}