* {
            font-family: 'Momo Trust Display', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: relative;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }
        
        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .login-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 2px solid rgba(255, 255, 255, 0.3);
            animation: slideInUp 0.6s ease-out;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }
        
        .input-field {
            background: white;
            border: 2px solid #e5e7eb;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .input-field:focus {
            border-color: #667eea;
            outline: none;
            transform: scale(1.02);
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }
        
        .btn-primary:hover::before {
            left: 100%;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }
        
        .btn-primary:active {
            transform: translateY(0);
        }
        
        .logo-container {
            animation: bounce 2s ease-in-out infinite;
        }
        
        .title {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .error-shake {
            animation: shake 0.5s;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-10px); }
            75% { transform: translateX(10px); }
        }