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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #ffffff 0%, #c1c1c1 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #52a162, #115a20);
            color: white;
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.3; }
            50% { transform: scale(1.1); opacity: 0.1; }
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .logo {
            position: relative;
            z-index: 1;
        }

        .filters {
            padding: 30px;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
        }

        .filter-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-item {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .filter-item label {
            font-weight: 700;
            color: #495057;
            font-size: 1.10rem;
        }

        .filter-item input, .filter-item select {
            padding: 10px 15px;
            border: 2px solid #dee2e6;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: white;
        }

        .filter-item input:focus, .filter-item select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

        .reports-grid {
            padding: 30px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
        }

        .report-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #e9ecef;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .report-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(135deg, #52a162, #115a20);
        }

        .report-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .report-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .report-type {
            font-size: 1.3rem;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .report-date {
            background: linear-gradient(135deg, #52a162, #115a20);
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .report-details {
            margin-bottom: 20px;
        }

        .detail-row {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #f1f3f4;
        }

        .detail-row:last-child {
            border-bottom: none;
        }

        .detail-label {
            font-weight: 600;
            color: #6c757d;
        }

        .detail-value {
            color: #495057;
            font-weight: 500;
        }

        .test-list {
            margin-top: 15px;
        }

        .test-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 15px;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 4px solid #52a162;
        }

        .test-item:last-child {
            margin-bottom: 0;
        }

        .test-name {
            font-weight: 600;
            color: #2c3e50;
            flex: 1;
        }

        .test-size {
            font-size: 0.8rem;
            color: #6c757d;
            margin-left: 10px;
        }

        .download-btn {
            background: linear-gradient(135deg, #27ae60, #229954);
            color: white;
            border: none;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .download-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 3px 10px rgba(39, 174, 96, 0.3);
        }

        .download-btn:disabled {
            background: #6c757d;
            cursor: not-allowed;
            transform: none;
        }

        .no-reports {
            text-align: center;
            padding: 60px 20px;
            color: #6c757d;
        }

        .no-reports h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
        }

        .status-badge.uploaded {
            background: #d4edda;
            color: #155724;
        }

        .status-badge.pending {
            background: #fff3cd;
            color: #856404;
        }

        .pdf-viewer-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            backdrop-filter: blur(5px);
        }

        .pdf-viewer-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            height: 90%;
            background: white;
            border-radius: 15px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .pdf-viewer-header {
            padding: 20px;
            background: #f8f9fa;
            border-bottom: 1px solid #dee2e6;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .close-btn {
            background: #dc3545;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.2rem;
        }

        .pdf-viewer-body {
            flex: 1;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f8f9fa;
        }

        @media (max-width: 768px) {
            .container {
                margin: 10px;
                border-radius: 15px;
            }

            .header h1 {
                font-size: 2rem;
            }

            .filter-group {
                flex-direction: column;
                align-items: stretch;
            }

            .reports-grid {
                grid-template-columns: 1fr;
                padding: 20px;
            }

            .test-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .download-btn {
                align-self: flex-end;
            }
        }