body {
    font-family: Arial, sans-serif;
}

.container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

input[type="number"], select {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.error-icon {
    display: none;
    position: relative;
}

.error-icon:hover .error-tooltip {
    display: block;
}

.error-tooltip {
    display: none;
    position: absolute;
    background-color: #f44336;
    color: white;
    padding: 5px;
    border-radius: 5px;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0c0227;
}

.reset-button {
    background-color: #ca190c; /* Red color for the button */
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.reset-button:hover {
    background-color: #ca2377; /* Darker red color on hover */
}

#result {
    margin-top: 10px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    border-radius: 5px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}