.pdf-search-plugin {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
}

/* 模态框样式 */
.pdf-search-plugin .pdf-search-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.pdf-search-plugin .modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 0;
    border: 1px solid #888;
    width: 90%;
    max-width: 900px;
    border-radius: 5px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.pdf-search-plugin .modal-header {
    padding: 15px 20px;
    background-color: #007cba;
    color: white;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-search-plugin .modal-header h3 {
    margin: 0;
}

.pdf-search-plugin .close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.pdf-search-plugin .close:hover {
    color: #ccc;
}

.pdf-search-plugin .modal-body {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

.pdf-search-plugin .search-container {
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.pdf-search-plugin .keyword-input {
    padding: 10px;
    font-size: 16px;
    width: 100%;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.pdf-search-plugin .search-button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007cba;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.pdf-search-plugin .search-button:hover {
    background-color: #005a87;
}

.pdf-search-plugin .search-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.pdf-search-plugin .result-item {
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #eee;
    border-radius: 3px;
    background-color: white;
    cursor: pointer;
}

.pdf-search-plugin .result-item:hover {
    background-color: #f0f8ff;
    border-color: #007cba;
}

.pdf-search-plugin .page-number {
    font-weight: bold;
    color: #007cba;
}

.pdf-search-plugin .pdf-canvas {
    border: 1px solid #ccc;
    margin: 20px auto;
    display: block;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.pdf-search-plugin .loading {
    color: #666;
    font-style: italic;
}

.pdf-search-plugin .error {
    color: red;
}

.pdf-search-plugin .pdf-container {
    text-align: center;
    margin-top: 20px;
}

.pdf-search-plugin .instructions {
    text-align: center;
    color: #666;
    margin: 20px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pdf-search-plugin .modal-content {
        width: 95%;
        max-width: none;
    }
}