:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --border-color: #30363d;
    --hover-bg: #21262d;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(88, 166, 255, 0.1) 0%, rgba(13, 17, 23, 0) 100%);
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #58a6ff, #bc8cff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.card-image {
    width: 100%;
    height: 400px;
    background-color: #21262d;
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.card-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-excerpt {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.card-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-tag {
    background-color: rgba(88, 166, 255, 0.1);
    color: var(--accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    color: var(--text-secondary);
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Article Styles */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.back-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    margin-bottom: 2rem;
    font-weight: 600;
    transition: transform 0.2s ease;
}

.back-link:hover {
    transform: translateX(-5px);
}

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

.article-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-content {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
    color: var(--accent-color);
}

.article-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

pre {
    background-color: #010409;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    margin: 1.5rem 0;
}

code {
    font-family: 'ui-monospace', 'SFMono-Regular', 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    font-size: 0.95rem;
    color: #ff7b72;
    /* Subtle highlight color */
}

.code-annotation {
    color: var(--text-secondary);
    font-style: italic;
}

.highlight-box {
    background-color: rgba(88, 166, 255, 0.05);
    border-left: 4px solid var(--accent-color);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .article-header h1 {
        font-size: 2rem;
    }
}