.car-rental-page * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        .car-rental-page {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }

        .car-rental-page .container {
            max-width: 800px;
            margin: 20px auto;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .car-rental-page header {
            background: linear-gradient(135deg, #1e88e5, #0d47a1);
            color: white;
            padding: 30px 20px;
            text-align: center;
        }

        .car-rental-page header h1 {
            font-size: 2.2rem;
            margin-bottom: 10px;
        }

        .car-rental-page header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .car-rental-page .form-container {
            padding: 30px;
        }

        .car-rental-page .form-group {
            margin-bottom: 20px;
        }

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

        .car-rental-page input,
        .car-rental-page select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            transition: border 0.3s;
        }

        .car-rental-page input:focus,
        .car-rental-page select:focus {
            border-color: #1e88e5;
            outline: none;
            box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.2);
        }

        .car-rental-page .row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -10px;
        }

        .car-rental-page .col {
            flex: 1;
            padding: 0 10px;
            min-width: 200px;
        }

        .car-rental-page .checkbox-group {
            display: flex;
            align-items: center;
            margin-top: 10px;
        }

        .car-rental-page .checkbox-group input {
            width: auto;
            margin-right: 10px;
        }

        .car-rental-page button {
            background: linear-gradient(135deg, #1e88e5, #0d47a1);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 18px;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
            transition: transform 0.2s, box-shadow 0.2s;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .car-rental-page button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .car-rental-page #output {
            margin-top: 30px;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 5px;
            display: none;
        }

        .car-rental-page #output h2 {
            color: #0d47a1;
            margin-bottom: 15px;
            border-bottom: 2px solid #e3e3e3;
            padding-bottom: 10px;
        }

        .car-rental-page .output-item {
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #ddd;
        }

        .car-rental-page .output-item:last-child {
            border-bottom: none;
        }

        @media (max-width: 600px) {
            .car-rental-page .col {
                flex: 100%;
                margin-bottom: 15px;
            }

            .car-rental-page header h1 {
                font-size: 1.8rem;
            }

            .car-rental-page .container {
                margin: 10px;
                border-radius: 0;
            }
        }