:root {
    --primary-color: #0066cc;
    --secondary-color: #e6f0fa;
    --border-color: #ccc;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

h1 {
    font-size: 28px;
    text-align: center;
}

h2 {
    font-size: 22px;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 30px;
}

h3 {
    font-size: 20px;
    margin-top: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.criterio {
    background-color: var(--secondary-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 14px 28px;
    font-size: 18px;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-weight: 600;
    transition: background-color 0.3s;
    margin-top: 20px;
}

button:hover {
    background-color: #0052a3;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}