body {
    margin: 20px;
}

#chart-container {
    width: 100%;
    height: 400px;
    position: relative;
}

#watermark {
    position: absolute;
    font-size: 48px;
    opacity: 0.1;
    pointer-events: none;
}

#custom-legend {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-right: 25px;
    cursor: pointer;
}

.legend-color {
    width: 20px;
    height: 20px;
    margin-right: 5px;
}

.operation-form {
    margin-top: 20px;
}

.form-row {  
    display: flex;
    align-items: center;
}

.form-row label {
    display: inline-block;
    min-width: 100px;
}

button {
    margin-right: 10px;
    padding: 10px 20px;
    border: none;
    font-size: .8em;
    transition: background-color 0.3s;
    text-transform: uppercase;
}

button.selected {
    background-color: #5a6d9e;
}

.button-group button {
    flex: 1;
}

.expandable { 
    padding: 10px;
    display: none;
    margin-top: 5px;
}

.expandable div {
    margin-bottom: 10px;
}

.expandable p {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 0;
}

.expandable button {
    margin: 2px;
    padding: 5px 10px;
}

.action-buttons button {
    margin-top: 15px;
    text-decoration: line-through;
    padding: 10px 20px;
    font-size: 1em;
    background-color: #5a6d9e;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    border: 1px solid #444;
}

.cancel-button {
    background-color: #722;
    color: #fff;
    padding: 5px 10px;
}

.cancel-all-button {
    background-color: #722;
    color: #fff;
    padding: 5px 10px;
    margin: 0;
}

.ui-autocomplete {
    border: 1px solid #555;
    max-height: 200px;
    overflow-y: auto;
}

#coinInput {
    width: 120px;
    border: 1px solid #555;
    padding: 5px;
}