.converter-header {
    margin-bottom: 2rem;
    text-align: center;
}

.converter-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.input-group {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
}

.input-style {
    flex: 2;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    outline: none;
}

.input-style:focus {
    border-color: #2196f3;
}

.select-style {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
    outline: none;
}

.select-style:focus {
    border-color: #2196f3;
}

.swap-button {
    background: #f5f5f5;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.swap-button:hover {
    background: #e0e0e0;
    transform: scale(1.1);
}

.converter-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.formula-display {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .input-group {
        flex-direction: column;
    }
    
    .select-style {
        width: 100%;
    }
}