.container {
            text-align: center;
            max-width: 600px;
            width: 100%;
            padding: 20px;
        }
     
        
        .popup-btn {
            background: #82b440; 
            color: white;
            border: none;
            padding: 12px 10px;
            font-size: 14px;
            border-radius: 8px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            font-weight: bold;
            letter-spacing: 1px;
            font-family: 'inter', sans-serif;
            position: absolute;
            top: -1px;
            left: -90px;
            animation: shake 0.5 ease-in-out;
            animation-iteration-count: 1; 
        }
        
        .popup-btn:hover {
            background: #5d8628; ;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        }
        
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        
        .popup-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .popup-content {
            background: #252734;
            width: 90%;
            max-width: 500px;
            border-radius: 12px;
            padding: 0;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            transform: scale(0.8) translateY(20px);
            transition: transform 0.4s ease, opacity 0.4s ease;
            opacity: 0;
            overflow: hidden;
        }
        
        .popup-overlay.active .popup-content {
            transform: scale(1) translateY(0);
            opacity: 1;
        }
        
        .popup-header {
            background: #2a2c39;
            padding: 20px;
            text-align: center;
            border-bottom: 1px solid #3a3c4a;
        }
        
        .popup-header h2 {
            color: white;
            font-size: 1.8rem;
            font-weight: 600;
            font-family: 'Times New Roman', Times, serif';
        }
        
        .popup-body {
            padding: 30px;
            color: #e0e0e0;
            line-height: 1.6;
        }
        
        .popup-body p {
            font-family: 'inter', sans-serif;
            margin-bottom: 15px;
            font-size: 17px;
        }
        
        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: #747faa;
            color: #000;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            transition: all 0.2s ease;
            z-index: 10;
        }
        
        .close-btn:hover {
            background: #fff;
            transform: rotate(90deg);
        }
        
        .timer-container {
            font-family: 'inter', sans-serif;
            margin-top: 25px;
            padding-top: 15px;
            border-top: 1px solid #3a3c4a;
        }
        
        .timer {
            font-size: 0.9rem;
            color: #a0a0a0;
            margin-bottom: 10px;
        }
        
        .progress-bar {
            height: 6px;
            background: #3a3c4a;
            border-radius: 3px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            background: #fff;
            width: 100%;
            transition: width 0.1s linear;
        }

        @keyframes shake {
  0% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
  100% { transform: translateX(0); }
}