.sr-container {
    display: flex;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #E0F7FA, #B2EBF2);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.sr-inputs {
    flex: 1 1 200px;
    padding: 1rem;
}
.sr-inputs label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #006064;
}
.sr-inputs input {
    width: 100%;
    padding: 0.6rem;
    margin-top: 0.3rem;
    border: 2px solid #00ACC1;
    border-radius: 0.5rem;
    outline: none;
    transition: border-color 0.3s;
}
.sr-inputs input:focus {
    border-color: #00838F;
}
.sr-result {
    flex: 1 1 300px;
    padding: 1rem;
    position: relative;
}
#sr-text {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #004D40;
}
#sr-chart {
    max-width: 100%;
    height: 300px;
}