body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.dark-mode {
    background-color: #0D1117;
    color: #C9D1D9;
}

.container {
    max-width: 960px;
}

.dark-mode a {
    color: #22d3ee;
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

.dark-mode a:hover {
    color: #5eead4;
    text-decoration: none;
}

.dark-mode header .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
}

.dark-mode header nav a {
    margin-left: 2rem;
    font-weight: 500;
    color: #C9D1D9;
}

.dark-mode .card {
    background-color: #161B22;
    border: 1px solid #30363D;
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.dark-mode .card-title {
    color: #FFFFFF;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.dark-mode .card-text {
    color: #C9D1D9;
    line-height: 1.6;
}

.dark-mode footer {
    border-top: 1px solid #30363D;
    margin-top: 4rem;
}

.dark-mode footer p {
    color: #C9D1D9;
    margin: 0;
}

/* Article Detail */
.dark-mode .article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.dark-mode .article-meta {
    color: #8B949E;
    margin-bottom: 2rem;
}

.dark-mode .article-content {
    line-height: 1.8;
    font-size: 1.1rem;
}