/*
Theme Name: Physics Learning Hub
Theme URI: https://yourdomain.com
Author: Your Name
Description: 物理学习主题
Version: 1.0
*/

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

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.site-header {
    background: #2c3e50;
    color: white;
    padding: 20px;
}

.site-header a {
    color: white;
    text-decoration: none;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.link-card {
    background: #3498db;
    color: white;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}

.link-card:hover {
    background: #2980b9;
}

.content-area {
    display: flex;
    gap: 30px;
}

.entry-content {
    flex: 3;
    background: white;
    padding: 20px;
    border-radius: 8px;
}

.sidebar {
    flex: 1;
}

.widget {
    background: white;
    padding: 20px;
    border-radius: 8px;
}

.site-footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .content-area {
        flex-direction: column;
    }
}