body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #b7cbe1 0%, #1B3B5F 100%);
        
           
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
            
        }

        .header {
            background: linear-gradient(135deg, #274571 0%, #204772 100%);
            color: white;
            padding: 30px;
            text-align: center;
            margin-top: 40px;
        }

        .header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            font-weight: 300;
        }

        .content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            padding: 30px;
        }

        .form-section {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            border: 1px solid #e9ecef;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #495057;
        }

        .form-group input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }

        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            font-size: 16px;
            transition: border-color 0.3s ease;
            background: white;
            cursor: pointer;
        }

        .form-group select:focus {
            outline: none;
            border-color: #caca9a;
            box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
        }

        .btn {
            background: linear-gradient(135deg, #c6965b 0%, #bc824f 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            width: 100%;
        }

        .btn-secondary {
            background: linear-gradient(135deg, #fbfbfc 0%, #d3e7f4 100%);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }

        .download-section {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #e9ecef;
        }

        .results-section {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            border: 1px solid #e9ecef;
        }

        .summary {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        .summary-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .summary-item h3 {
            color: #667eea;
            font-size: 0.9em;
            margin-bottom: 5px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .summary-item .value {
            font-size: 1.8em;
            font-weight: 700;
            color: #2d3748;
        }

        .schedule-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            max-height: 400px;
            overflow-y: auto;
        }

        .schedule-table table {
            width: 100%;
            border-collapse: collapse;
        }

        .schedule-table th {
            background: linear-gradient(135deg, #bebb92 0%, #a5a471 100%);
            color: white;
            padding: 15px 10px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9em;
        }

        .schedule-table td {
            padding: 12px 10px;
            text-align: center;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9em;
        }

        .schedule-table tr:hover {
            background-color: #f8f9fa;
        }

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

        @media (max-width: 768px) {
            .content {
                grid-template-columns: 1fr;
            }
            
            .summary {
                grid-template-columns: 1fr;
            }
            
            .schedule-table {
                font-size: 0.8em;
            }
            
            .schedule-table th,
            .schedule-table td {
                padding: 8px 5px;
            }
        }

        .error {
            color: #dc3545;
            font-size: 0.9em;
            margin-top: 5px;
        }