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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
        }

        /* Header Component */
        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .logo {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            color: #666;
            font-size: 1.1rem;
        }

        /* Tracking Form Component */
        .tracking-form {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            transform: translateY(0);
            transition: all 0.3s ease;
        }

        .tracking-form:hover {
            transform: translateY(-5px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
        }

        .form-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .input-group {
            position: relative;
            margin-bottom: 1.5rem;
        }

        .input-field {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid #e0e6ed;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #fff;
        }

        .input-field:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .track-btn {
            width: 100%;
            padding: 1rem 2rem;
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .track-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }

        .track-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        .track-btn.loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid transparent;
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

        /* Package Info Component */
        .package-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .info-card {
            background: linear-gradient(45deg, #f8fafc, #e2e8f0);
            padding: 1.5rem;
            border-radius: 15px;
            border-left: 4px solid #667eea;
            transition: all 0.3s ease;
        }

        .info-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .info-label {
            font-size: 0.9rem;
            color: #64748b;
            font-weight: 500;
            margin-bottom: 0.5rem;
        }

        .info-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1e293b;
        }

        /* Status Badge Component */
        .status-badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .status-in-transit {
            background: linear-gradient(45deg, #3b82f6, #1d4ed8);
            color: white;
        }

        .status-delivered {
            background: linear-gradient(45deg, #22c55e, #16a34a);
            color: white;
        }

        .status-pending {
            background: linear-gradient(45deg, #f59e0b, #d97706);
            color: white;
        }

        /* Timeline Component */
        .timeline-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            display: none;
            animation: slideIn 0.5s ease;
        }

        .timeline-container.show {
            display: block;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .timeline-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
            text-align: center;
        }

        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, #667eea, #764ba2);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
            padding-left: 2rem;
            opacity: 0;
            animation: slideInTimeline 0.6s ease forwards;
        }

        .timeline-item:nth-child(1) { animation-delay: 0.1s; }
        .timeline-item:nth-child(2) { animation-delay: 0.2s; }
        .timeline-item:nth-child(3) { animation-delay: 0.3s; }
        .timeline-item:nth-child(4) { animation-delay: 0.4s; }
        .timeline-item:nth-child(5) { animation-delay: 0.5s; }

        @keyframes slideInTimeline {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .timeline-dot {
            position: absolute;
            left: -2rem;
            top: 0.5rem;
            width: 1rem;
            height: 1rem;
            background: #667eea;
            border: 3px solid #fff;
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
        }

        .timeline-dot.active {
            background: #22c55e;
            box-shadow: 0 0 15px rgba(34, 197, 94, 0.4);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 15px rgba(34, 197, 94, 0.4); }
            50% { box-shadow: 0 0 25px rgba(34, 197, 94, 0.8); }
            100% { box-shadow: 0 0 15px rgba(34, 197, 94, 0.4); }
        }

        .timeline-content {
            background: #fff;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .timeline-item:hover .timeline-content {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .timeline-status {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .timeline-location {
            color: #64748b;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
        }

        .timeline-location::before {
            /* none */
            /* /* content: '📍'; */
            margin-right: 0.5rem; 
        }

        .timeline-date {
            font-size: 0.9rem;
            color: #94a3b8;
        }

        /* Custom SweetAlert2 styling */
        .swal2-popup {
            border-radius: 20px !important;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
        }

        .swal2-title {
            color: #1e293b !important;
        }

        .swal2-confirm {
            background: linear-gradient(45deg, #667eea, #764ba2) !important;
            border-radius: 12px !important;
            padding: 0.75rem 2rem !important;
        }

        /* Quick Actions Component */
        .quick-actions {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .quick-actions h3 {
            margin-bottom: 1rem;
            color: #1e293b;
        }

        .action-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .action-btn {
            padding: 0.75rem 1.5rem;
            border: 2px solid #667eea;
            background: transparent;
            color: #667eea;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .action-btn:hover {
            background: #667eea;
            color: white;
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 1rem;
            }
            
            .header, .tracking-form, .timeline-container, .quick-actions {
                padding: 1.5rem;
            }
            
            .logo {
                font-size: 2rem;
            }
            
            .package-info {
                grid-template-columns: 1fr;
            }

            .action-buttons {
                flex-direction: column;
            }
        }