:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --gray-color: #95a5a6;
    --white-color: #ffffff;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    background-color: var(--white-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 28px;
}

header h1 i {
    margin-right: 10px;
}

header p {
    color: var(--gray-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.btn-secondary {
    background-color: var(--gray-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

   /* Estilos adicionales para el selector de documento */
        .document-selector {
            margin: 20px 0;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 10px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .document-selector h3 {
            margin-bottom: 15px;
            color: #2c3e50;
            font-size: 1.2rem;
            text-align: center;
        }

        .selector-options {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .option-card {
            flex: 1;
            min-width: 150px;
            max-width: 200px;
            cursor: pointer;
        }

        .option-card input[type="radio"] {
            display: none;
        }

        .option-card .card-content {
            padding: 20px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s ease;
            background-color: white;
            height: 100%;
        }

        .option-card input[type="radio"]:checked + .card-content {
            border-color: #3498db;
            background-color: #e8f4fc;
            box-shadow: 0 0 0 3px rgba(52,152,219,0.2);
        }

        .option-card i {
            font-size: 2rem;
            color: #3498db;
            margin-bottom: 10px;
            display: block;
        }

        .option-card span {
            font-weight: 500;
            color: #2c3e50;
        }

        @media (max-width: 600px) {
            .selector-options {
                flex-direction: column;
                align-items: center;
            }
            
            .option-card {
                width: 100%;
                max-width: none;
            }
        }