body {
    font-family: 'Nunito', sans-serif;
    background-color: #e8f3f5;
    color: #2d3436;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

h1 {
    color: #00b894;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
}

form {
    display: flex;
    flex-direction: column;
}

input, textarea, select {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #dfe6e9;
    border-radius: 5px;
    font-size: 16px;
    font-family: 'Nunito', sans-serif;
}

button {
    background-color: #00b894;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s;
    font-weight: bold;
    text-transform: uppercase;
}

button:hover {
    background-color: #00a885;
}

button:disabled {
    background-color: #b2bec3;
    cursor: not-allowed;
}

#result {
    margin-top: 30px;
    background-color: #dfe6e9;
    padding: 20px;
    border-radius: 5px;
}

#result h2 {
    color: #00b894;
    font-weight: bold;
}

.hidden {
    display: none;
}

#loading {
    border: 6px solid #dfe6e9;
    border-top: 6px solid #00b894;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}