.bct-layout {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #f5f7fb;
}

.bct-sidebar {
    width: 33%;
    background: #e9edf3;
    padding: 20px;
    border-radius: 8px;
}

.bct-main {
    width: 67%;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
}

.bct-chart-wrap {
    position: relative;
    height: 400px;
}

.bct-chart {
    position: absolute;
    width: 100%;
    height: 100%;
}

.bct-title {
    font-size: 20px;
    margin-bottom: 20px;
}

.bct-chart-title {
    text-align: center;
    margin-bottom: 20px;
}

.bct-item {
    margin-bottom: 15px;
}

.bct-input {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

textarea.bct-input {
    height: 80px;
}

.bct-buttons {
    display: flex;
    gap: 10px;
}

.bct-generate {
    background: #2563eb;
    color: #fff;
    padding: 10px;
    border: none;
}

.bct-download {
    background: #16a34a;
    color: #fff;
    padding: 10px;
    border: none;
}