.crypto-tax-calculator {
    max-width: 100%;
    width: 420px;
    margin: 30px auto;
    padding: 20px;
    background: linear-gradient(to right, #eef2f3, #8e9eab);
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    animation: fadeIn 1s ease-in-out;
    transition: all 0.3s ease;
}
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(20px);}
    to {opacity: 1; transform: translateY(0);}
}
.crypto-tax-calculator h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}
.crypto-tax-calculator label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
}
.crypto-tax-calculator input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    margin-top: 4px;
    transition: border-color 0.3s ease;
}
.crypto-tax-calculator input:focus {
    border-color: #0073aa;
    outline: none;
}
.crypto-tax-calculator button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}
.crypto-tax-calculator button:hover {
    background-color: #005f8d;
}
.crypto-tax-calculator #result {
    margin-top: 20px;
    font-size: 1.1em;
    font-weight: bold;
    color: #1a1a1a;
    text-align: center;
    background-color: #ffffffa0;
    padding: 12px;
    border-radius: 6px;
}