.tinh-phan-tram-online {
    background-color: #eee;
    padding: 10px;
    margin: 15px 0;
    border-radius: 3px;
}
.yen-tinh-phan-tram-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.yen-input, .yen-select {
    width: 100%;
    padding: 5px;
    font-size: 16px;
    margin-right: 5px;
}

.yen-result {
    background-color: #f0f0f0;
}

.yen-result-text {
    width: 100%;
    font-size: 16px;
    font-weight: bold;
    margin-top: 10px;
}
.yen-result-text strong{color: green;}
.yen-error {
    color: red;
    font-size: 14px;
    margin-top: 5px;
}

#gia-goc-san-pham .input-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

#gia-goc-san-pham .input-group {
    flex: 1;
    margin-right: 10px;
}

#gia-goc-san-pham .input-group:last-child {
    margin-right: 0;
}

#gia-goc-san-pham label {
    display: block;
    margin-bottom: 5px;
}

#gia-goc-san-pham input {
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#gia-goc-san-pham-result {
    margin-top: 10px;
}