.popup-selector {
    position: fixed;
    top: 0;
    left: 0;
    width: 400px;
    max-height: 400px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 1050;
    display: none;
    flex-direction: column;
}

.popup-header {
    padding: 8px;
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.close-btn {
    margin-left: 8px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #999;
}

.popup-body {
    overflow-y: auto;
}

.popup-selector table {
    width: 100%;
    border-collapse: collapse;
}

.popup-selector th {
    background: #f8f9fa;
    padding: 8px;
    text-align: left;
    position: sticky;
    top: 0;
}

.popup-selector td {
    padding: 8px;
    border-bottom: 1px solid #eee;
}

.popup-selector tr {
    cursor: pointer;
}

.popup-selector tr:hover {
    background-color: #f5f5f5;
}

.popup-selector tr.selected {
    background-color: #e6f7ff;
}