/* Label styling with red asterisk */
.tracking-label {
    color: white;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.tracking-label::after {
    content: " *";
    color: red;
    font-size: 16px;
}

/* Input field */
#tracking-number {
    flex: 1;
    height: 40px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    max-width: 300px;
}

/* Button */
.tracking_number_btn {
    display: inline-block;
    background-color: transparent;
    border: 2px solid #44D1D6;
    color: #44D1D6;
    font-size: 1rem;
    border-radius: 10px;
    height: 40px;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}

.tracking_number_btn:hover {
    background-color: #20c997;
    color: white;
    border: 2px solid #44D1D6;
}

/* Error messages */
.error-text {
    color: red;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .tracking-label {
        font-size: 14px;
    }

    #tracking-number {
        font-size: 14px;
        padding: 8px;
        max-width: 100%;
    }

    .tracking_number_btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .tracking_number_btn {
        width: 100%;
    }

    label {
        font-size: 14px;
    }

    #tracking-number {
        font-size: 14px;
        padding: 8px;
    }
}