:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #f43f5e;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #94a3b8;
            --success: #10b981;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background-color: #f1f5f9;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
        }
        
        .tab-active {
            position: relative;
            color: var(--primary);
        }
        
        .tab-active:after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        
        .qr-container {
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            border-radius: 16px;
            background: white;
            transition: all 0.3s ease;
        }
        
        .qr-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        
        .download-btn {
            background: white;
            color: var(--primary);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        
        .download-btn:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        
        input, textarea, select {
            transition: all 0.3s ease;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
        }
        
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }
        
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 10px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 8px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: var(--primary-light);
            color: white;
        }