@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .header-bg {
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        .footer-bg {
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        .icon-small {
  width: 60px;         /* Adjust size as needed */
  height: 60px;
  vertical-align: middle;  /* Aligns with text */
  margin-right: 16px;
  margin-left: 16px;       /* Space between icon and text */
}

        .upload-area {
            border: 2px dashed #a78bfa;
            background-color: #f5f3ff;
            transition: all 0.3s ease;
        }
        
        .upload-area.dragover {
            background-color: #ede9fe;
            border-color: #8b5cf6;
            transform: scale(1.02);
        }
        
        .file-list li {
            background-color: white;
            border-left: 4px solid #8b5cf6;
            box-shadow: 0 2px 10px rgba(139, 92, 246, 0.1);
            transition: all 0.3s ease;
        }

        .file-list li:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.2);
        }

        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .spinner {
            animation: spin 1s linear infinite;
        }

        .btn-primary {
            background: linear-gradient(90deg, #8b5cf6 0%, #ec4899 100%);
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
        }

        .btn-secondary {
            background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
        }

        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 15px 25px;
            border-radius: 10px;
            color: white;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            transition: transform 0.5s ease;
            max-width: 350px;
        }

        .notification.show {
            transform: translateX(0);
        }

        .notification.success {
            background: linear-gradient(90deg, #10b981 0%, #059669 100%);
        }

        .notification.error {
            background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
        }

        .notification.info {
            background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
        }

        .notification.warning {
            background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
        }

        .mobile-menu {
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .progress-bar {
            height: 6px;
            background: #e5e7eb;
            border-radius: 3px;
            overflow: hidden;
            margin: 15px 0;
        }

        .progress {
            height: 100%;
            background: linear-gradient(90deg, #8b5cf6 0%, #ec4899 100%);
            width: 0%;
            transition: width 0.5s ease;
        }

        /* Custom animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .animate-fadeIn {
            animation: fadeIn 0.5s ease forwards;
        }

        .animate-pulse {
            animation: pulse 2s infinite;
        }

        /* Mobile Navigation Styles */
        .mobile-nav-container {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
            z-index: 40;
            display: flex;
            justify-content: space-around;
            padding: 8px 0;
        }

        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #6b7280;
            font-size: 0.75rem;
            padding: 6px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .mobile-nav-item.active {
            color: #8b5cf6;
            background-color: #f5f3ff;
        }

        .mobile-nav-item i {
            font-size: 1.25rem;
            margin-bottom: 4px;
        }

        @media (min-width: 768px) {
            .mobile-nav-container {
                display: none;
            }
        }