body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    padding: 20px;
}

.title {
    text-align: center;
    margin-bottom: 20px;
}

.screen {
    display: none;
    background: white;
    padding: 20px;
    border-radius: 10px;
    max-width: 400px;
    margin: auto;
}

.screen.active {
    display: block;
}

h3 {
    margin-bottom: 15px;
}

input, textarea, button {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
}

textarea {
    resize: none;
    height: 80px;
}

button {
    background: #2f80ed;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #1c5ed5;
}

.nav {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.card {
    background: #f0f2f5;
    padding: 15px;
    border-radius: 8px;
}
.success-box {
    text-align: center;
    padding: 40px 20px;
}

.tick {
    font-size: 80px;
    color: green;
    margin-bottom: 20px;
}

.success-box h2 {
    color: green;
    margin-bottom: 10px;
}

.success-box button {
    margin-top: 20px;
    background: #2ecc71;
}