/* Popup Styles with Transitions */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            visibility: hidden;
            opacity: 0;
            transition: all 0.3s ease-in-out;
        }
        
        .popup-overlay.active {
            visibility: visible;
            opacity: 1;
            background-color: rgba(0, 0, 0, 0.5);
        }
        
        .popup-content {
            background-color: white;
            width: 90%;
            max-width: 400px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            padding: 30px;
            position: relative;
            transform: scale(0.7);
            opacity: 0;
            transition: all 0.3s ease-in-out;
        }
        
        .popup-overlay.active .popup-content {
            transform: scale(1);
            opacity: 1;
        }
        
        .close-btn {
            position: absolute;
            top: 15px;
            left: 15px;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #888;
            transition: color 0.3s;
        }
        
        .close-btn:hover {
            color: #ff9900;
        }
        
        .popup-title {
            text-align: center;
            margin-bottom: 25px;
            color: #333;
            font-size: 24px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #555;
            font-weight: 500;
        }
        
        .form-group input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        .form-group input:focus {
            border-color: #ff9900;
            outline: none;
        }
        
        .login-btn {
            width: 100%;
            padding: 12px;
            background-color: #ff9900;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .login-btn:hover {
            background-color: #e68a00;
        }
        
        .form-footer {
            text-align: center;
            margin-top: 20px;
            color: #666;
        }
        
        .form-footer a {
            color: #ff9900;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .form-footer a:hover {
            text-decoration: underline;
        }