body {
            font-family: Arial, sans-serif;
            background: #f4f4f4;
            padding: 20px;
        }
        .form-container {
            background: white;
            width: 100%;
            max-width: 600px;
            margin: auto;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .form-container h2 {
            text-align: center;
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 15px;
        }
        label {
            font-weight: bold;
            display: block;
            margin-bottom: 5px;
        }
        input, textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-sizing: border-box;
        }
        button {
            width: 100%;
            padding: 12px;
            background: #2a73d9;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
        }
        button:hover {
            background: #1d5db8;
        }
        
        .btn-regresar {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #0066cc;
    color: #fff;
    padding: 8px 15px;
    font-size: 14px;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s ease;
    font-weight: 600;
}

.btn-regresar:hover {
    background: #004995;
    transform: scale(1.05);
}