body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f0f0;
    color: #333333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 320px;
}

h1 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333333;
}

.input-container {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: center;
}

label {
    margin-bottom: 8px;
    font-size: 14px;
    color: #666666;
    width: 100%;
}

input[type="text"] {
    width: 100%;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #cccccc;
    background-color: #ffffff;
    color: #333333;
    font-size: 16px;
    outline: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

input[type="text"]::placeholder {
    color: #999999;
}

input[type="text"]:focus {
    background-color: #f5f5f5;
    border-color: #009688; 
}

button {
    width: 100%;
    padding: 15px;
    background-color: #009688;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #00796b; 
    transform: translateY(-2px);
}

#responseMessage {
    margin-top: 20px;
    font-size: 16px;
    color: #76ff03;
}

input, select {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #cccccc;
    border-radius: 5px;
    background: #ffffff;
    color: #333333; 
}