/* refined-style.css */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #0066cc;
    --secondary-color: #666666;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    --max-width: 800px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header, main, footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

header h1 a {
    text-decoration: none;
    color: var(--text-color);
}

nav a {
    margin-left: 1rem;
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 1rem;
}

nav a:hover {
    color: var(--accent-color);
}

h1, h2, h3 {
    color: #111;
}

.article-list {
    list-style: none;
    padding: 0;
}

.article-list li {
    margin-bottom: 1.5rem;
}

.article-time {
    display: block;
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.article-title a {
    text-decoration: none;
    color: var(--accent-color);
}

.article-title a:hover {
    text-decoration: underline;
}

footer {
    border-top: 1px solid #eee;
    margin-top: 3rem;
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    nav {
        margin-top: 1rem;
        margin-left: -1rem;
    }
    nav a {
        margin-left: 1rem;
    }
}