:root {
    --bg-color: #121212;
    --text-color: #ffffff;
    --card-bg: #1e1e1e;
    --card-border: #333333;
}
body.light {
    --bg-color: #f4f4f4;
    --text-color: #000000;
    --card-bg: #ffffff;
    --card-border: #cccccc;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
}

h1 {
    margin: 0;
}

button {
    padding: 0.5rem 1rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--card-border);
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

button:hover {
    background-color: var(--card-border);
}

main {
    display: flex;
    
    flex-wrap: wrap;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.page-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s;
    min-width: 330px;
}

.page-card:hover {
    transform: scale(1.02);
}

.preview {
    width: 100%;
    height: 150px;
    background-size: cover;
    background-position: center;
}

.title {
    text-align: center;
    padding: 0.75rem;
    font-weight: bold;
}

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