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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

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

        .header p {
            font-size: 1.1em;
            opacity: 0.9;
        }

        .content {
            padding: 40px;
        }

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

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
            font-size: 1.1em;
        }

        input[type="date"] {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e1e5e9;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: white;
        }

        input[type="date"]:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .button-group {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }

        .btn {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            color: white;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
        }

        .btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .progress-container {
            margin: 20px 0;
            display: none;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: #e1e5e9;
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            transition: width 0.3s ease;
            width: 0%;
        }

        .progress-text {
            text-align: center;
            margin-top: 10px;
            font-weight: 600;
            color: #666;
        }

        .status {
            margin: 20px 0;
            padding: 15px;
            border-radius: 8px;
            font-weight: 500;
        }

        .status.info {
            background: rgba(102, 126, 234, 0.1);
            color: #667eea;
            border-left: 4px solid #667eea;
        }

        .status.success {
            background: rgba(40, 167, 69, 0.1);
            color: #28a745;
            border-left: 4px solid #28a745;
        }

        .status.error {
            background: rgba(220, 53, 69, 0.1);
            color: #dc3545;
            border-left: 4px solid #dc3545;
        }

        .image-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .image-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .image-item:hover {
            transform: translateY(-2px);
        }

        .image-item img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .image-item .info {
            padding: 10px;
            text-align: center;
            font-size: 0.9em;
            color: #666;
        }

        .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #667eea;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            animation: spin 1s linear infinite;
            display: inline-block;
            margin-right: 10px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hidden {
            display: none !important;
        }

        @media (max-width: 600px) {
            .container {
                margin: 10px;
                border-radius: 10px;
            }
            
            .header {
                padding: 20px;
            }
            
            .header h1 {
                font-size: 2em;
            }
            
            .content {
                padding: 20px;
            }
            
            .button-group {
                flex-direction: column;
            }
        }