body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.book-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    padding: 10px;
    transition: transform 0.2s;
}

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

.book-card img {
    max-width: 100%;
    height: auto;
    border-bottom: 1px solid #ddd;
    margin-bottom: 10px;
}

.book-card .title {
    font-weight: bold;
    font-size: 1em;
    color: #333;
    margin-bottom: 5px;
}

.book-card .author {
    font-size: 0.9em;
    color: #666;
}

/* Tab container */
.tab-container {
    width: 100%;
    margin: 0 auto;
}

.tab-header {
    display: flex;
    border-bottom: 2px solid #ccc;
    margin-bottom: 20px;
}

.tab-link {
    background: none;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1em;
    position: relative;
    color: #555;
}

.tab-link.active {
    font-weight: bold;
    color: #000;
    border-bottom: 2px solid #000;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Search form */
.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-form input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.search-form button {
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}