body {
    font-family: 'Sarabun', sans-serif; /* ใช้ฟอนต์ที่รองรับภาษาไทย */
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
}

h1, h2, h3 {
    color: #0056b3;
    text-align: center;
}

h1 {
    margin-bottom: 10px;
}

p {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.input-group input[type="number"],
.input-group input[type="range"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.slider-group {
    position: relative;
}

#freshCanePercentValue {
    text-align: center;
    display: block;
    margin-top: 5px;
    font-weight: bold;
    color: #0056b3;
}

button {
    width: 100%;
    padding: 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

.results-container {
    margin-top: 30px;
    border-top: 2px solid #eee;
    padding-top: 20px;
}

.hidden {
    display: none;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 16px;
}

.result-item p:first-child {
    font-weight: normal;
    color: #555;
}

.result-item p:last-child {
    font-weight: bold;
}

.price-result h3:last-child {
    color: #28a745;
}

.price-result:nth-of-type(2) h3:last-child {
     color: #dc3545;
}

hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 15px 0;
}

.final-diff {
    background-color: #e9f5ff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    margin-top: 20px;
}

.final-diff h2 {
    margin: 0;
    color: #007bff;
}

.final-diff span {
    font-size: 1.5em;
}