body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f0f6f7;
    padding: 20px;
    color: #333;
    margin: 0;
}

.order-form {
    max-width: 600px;
    margin: auto;
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.order-form h2 {
    margin-bottom: 20px;
    color: #2b7a78;
    text-align: center;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
}

textarea,
input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    margin-bottom: 16px;
    box-sizing: border-box;
    font-size: 14px;
}

.item-card {
    background-color: #def2f1;
    border: 1px solid #b2dfdb;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.item-emoji {
    font-size: 28px;
    flex-shrink: 0;
}

.item-info {
    flex: 1;
}

.item-name {
    font-size: 16px;
    font-weight: 600;
    color: #17252a;
}

.item-price {
    font-size: 14px;
    color: #555;
    margin: 5px 0;
}

.submit-btn {
    background-color: #3aafa9;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}

.submit-btn:hover {
    background-color: #2b7a78;
}

.total-box {
    text-align: right;
    font-size: 18px;
    font-weight: bold;
    color: #17252a;
    margin-bottom: 20px;
}

.success-box {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 16px;
}

.back-btn {
    display: inline-block;
    margin-top: 15px;
    text-decoration: none;
    background-color: #feffff;
    color: #3aafa9;
    border: 2px solid #3aafa9;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    /* width: 100%; */
}

.back-btn:hover {
    background-color: #3aafa9;
    color: white;
}

@media (max-width: 600px) {
    .back-btn {
        /* display: block; */
        width: 92%;
        margin: 20px auto 0;
        /* text-align: center; */
    }

    .item-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .submit-btn,
    .back-btn {
        font-size: 15px;
        padding: 10px;
    }

    .total-box {
        font-size: 16px;
        text-align: left;
    }
}