* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1f9933 0%, #1a743f 100%);
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .tracking-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            overflow: hidden;
        }
        
        .card-header {
            background: #1f9933;
            color: white;
            padding: 25px 30px;
        }
        
        .card-header h1 {
            font-size: 24px;
            margin-bottom: 5px;
        }
        
        .card-header .db-info {
            font-size: 12px;
            opacity: 0.8;
            margin-top: 5px;
        }
        
        .search-form {
            padding: 30px;
            background: #f8f9fa;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
            font-size: 14px;
        }
        
        .input-group {
            position: relative;
        }
        
        .input-group i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
        }
        
        .input-group input {
            width: 100%;
            padding: 12px 15px 12px 40px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        .input-group input:focus {
            outline: none;
            border-color: #1a4a7a;
            box-shadow: 0 0 0 3px rgba(26, 74, 122, 0.1);
        }
        
        .btn-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 20px;
        }
        
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: #1f9933;
            color: white;
        }
        
        .btn-primary:hover {
            background:#1f9933;
            transform: translateY(-1px);
        }
        
        .btn-secondary {
            background: white;
            color: #333;
            border: 2px solid #e0e0e0;
        }
        
        .btn-secondary:hover {
            background: #f8f9fa;
        }
        
        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        
        .results-container {
            padding: 30px;
            display: none;
        }
        
        .results-container.show {
            display: block;
        }
        
        .order-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .order-number {
            font-size: 20px;
            font-weight: 700;
            color: #0a2c4b;
        }
        
        .status-badge {
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
        }
        
        .status-processing { background: #fff3e0; color: #e65100; }
        .status-shipped { background: #e3f2fd; color: #248018; }
        .status-delivered { background: #e8f5e9; color: #2e7d32; }
        .status-pending { background: #f5f5f5; color: #56b829; }
        .status-cancelled { background: #ffebee; color: #c62828; }
        
        .progress-section {
            margin: 30px 0;
            position: relative;
        }
        
        .progress-bar {
            width: 100%;
            height: 6px;
            background: #e0e0e0;
            border-radius: 3px;
            margin: 30px 0;
            position: relative;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #1f9933, #0ebb56);
            border-radius: 3px;
            transition: width 0.5s ease;
        }
        
        .progress-steps {
            display: flex;
            justify-content: space-between;
            position: absolute;
            top: -10px;
            left: 0;
            right: 0;
        }
        
        .progress-step {
            text-align: center;
            flex: 1;
        }
        
        .step-circle {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #e0e0e0;
            margin: 0 auto 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
            font-size: 12px;
            transition: all 0.3s;
        }
        
        .step-circle.active {
            background: #1f9933;
        }
        
        .step-label {
            font-size: 12px;
            color: #1f9933;
            font-weight: 500;
        }
        
        .detail-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 25px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }
        
        .detail-item label {
            font-size: 12px;
            color: #666;
            text-transform: uppercase;
            font-weight: 600;
            display: block;
            margin-bottom: 5px;
        }
        
        .detail-item span {
            font-size: 16px;
            font-weight: 600;
            color: #333;
        }
        
        .items-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        
        .items-table th {
            background: #0d581a;
            color: white;
            padding: 12px;
            text-align: left;
            font-size: 14px;
        }
        
        .items-table td {
            padding: 12px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .items-table tr:hover {
            background: #f5f5f5;
        }
        
        .alert {
            padding: 15px 20px;
            border-radius: 10px;
            margin: 20px 0;
        }
        
        .alert-error {
            background: #ffebee;
            color: #c62828;
            border: 1px solid #ffcdd2;
        }
        
        .alert-info {
            background: #e3f2fd;
            color: #1565c0;
            border: 1px solid #bbdefb;
        }
        
        .spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        @media (max-width: 600px) {
            .btn-group {
                grid-template-columns: 1fr;
            }
        }