.container {
            position: relative;
            width: 100%;
            height: 100%;
   z-index: -1; 
  top: 0;
  left: 0;
            
        }

        .flag {
            position: absolute;
            border-radius: 4px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.3);
            transform: translateY(100vh);
            animation: floatUp 6s ease-in-out infinite;
            overflow: hidden;
            opacity: 0.7;
        }

        .flag img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 4px;
        }
@keyframes floatUp {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  25% {
    opacity: 1;
  }


  100% {
    transform: translateY(-120vh) rotate(180deg);
    opacity: 0;
  }
}




        .flag:nth-child(1) { left: 10%; animation-delay: 0s; }
        .flag:nth-child(2) { left: 20%; animation-delay: 0.5s; }
        .flag:nth-child(3) { left: 30%; animation-delay: 1s; }
        .flag:nth-child(4) { left: 40%; animation-delay: 1.5s; }
        .flag:nth-child(5) { left: 50%; animation-delay: 2s; }
        .flag:nth-child(6) { left: 60%; animation-delay: 2.5s; }
        .flag:nth-child(7) { left: 70%; animation-delay: 3s; }
        .flag:nth-child(8) { left: 80%; animation-delay: 3.5s; }
        .flag:nth-child(9) { left: 90%; animation-delay: 4s; }

        .title {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-size: 3rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            z-index: 100;
            text-align: center;
            animation: pulse 2s ease-in-out infinite;
        }

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

        .controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .url-input {
            background: rgba(255,255,255,0.2);
            border: 2px solid white;
            color: white;
            padding: 10px 15px;
            border-radius: 25px;
            font-size: 14px;
            width: 300px;
            text-align: center;
            margin-bottom: 10px;
        }

        .url-input::placeholder {
            color: rgba(255,255,255,0.7);
        }

        .btn {
            background: rgba(255,255,255,0.2);
            border: 2px solid white;
            color: white;
            padding: 10px 20px;
            margin: 0 10px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .btn:hover {
            background: rgba(255,255,255,0.3);
            transform: translateY(-2px);
        }

        .sparkle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: #FFD700;
            border-radius: 50%;
            animation: sparkle 2s linear infinite;
        }

        @keyframes sparkle {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            50% {
                opacity: 1;
                transform: translateY(50vh) scale(1);
            }
            100% {
                transform: translateY(0) scale(0);
                opacity: 0;
            }
        }
.flags-container {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  height: 100%;
  width: 100%;
}