/* Main Calculator Container */
.bfs-calculator {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

/* Form Group Styling */
.bfs-form-group {
    margin-bottom: 20px;
}

.bfs-label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.bfs-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.bfs-input:focus {
    border-color: #0073aa;
    outline: none;
}

/* Measurement Group Layout */
.bfs-measurement-group {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
}

/* Height Input Layout */
.bfs-height-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

/* Hip Field Visibility */
.bfs-hip-field {
    display: none;
}

/* Submit Button */
.bfs-button {
    background: #225387;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    transition: background 0.3s ease;
}

.bfs-button:hover {
    background: #000000;
}

/* Result Display */
.bfs-result {
    margin-top: 20px;
    padding: 15px;
    background: #225387;
    border-radius: 5px;
    display: none;
    font-size: 16px;
    color: #ffffff;
    text-align: center;
    transition: opacity 0.3s ease;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    .bfs-height-inputs,
    .bfs-measurement-group {
        grid-template-columns: 1fr;
    }
}