* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
body {
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1, h2, h3 {
    color: #333;
}
.page {
    display: none;
}
.page.active {
    display: block;
}
label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
    color: #555;
}
.hint {
    font-weight: normal;
    color: #888;
    font-size: 0.9em;
}
input[type="text"],
input[type="tel"],
input[type="date"],
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
textarea {
    min-height: 80px;
    resize: vertical;
}
.checkbox-label {
    display: flex;
    align-items: center;
    margin-top: 10px;
    font-weight: normal;
}
.checkbox-label input {
    margin-right: 10px;
    width: auto;
}
.conditional-field {
    margin-top: 15px;
    padding: 15px;
    border: 1px dashed #aaa;
    border-radius: 4px;
    background-color: #fafafa;
}
.nav-buttons {
    margin-top: 30px;
    text-align: right;
}
button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}
#nextBtn {
    background-color: #007bff;
    color: white;
}
#submitBtn {
    background-color: #28a745;
    color: white;
}
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}