body {
    background: #f5f5f5;
    font-family: Arial, sans-serif;
}

.bcg-container {
    width: 100%;
    max-width: 600px;
    margin: auto;
}

.bcg-header {
    background: #00e5ff;
    padding: 15px;
    text-align: center;
    color: #000;
    border-radius: 10px 10px 0 0;
}

.bcg-box {
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 0 0 10px 10px;
}

.bcg-box input,
.bcg-box select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.bcg-buttons button,
.bcg-download button {
    background: #00e5ff;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    color: #000;
    border-radius: 8px;
    cursor: pointer;
}

.bcg-buttons button:hover,
.bcg-download button:hover {
    opacity: 0.8;
}

.bcg-result {
    text-align: center;
    margin: 20px 0;
}

svg {
    width: 100%;
    height: auto;
}