body {
            margin: 0;
            font-family: 'Inter', sans-serif;
            background: #000;
            color: white;
            overflow: hidden;
        }

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

        .main-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 2rem;
            z-index: 1;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 2rem;
            animation: fadeInDown 1s ease-out;
        }

        .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 16px;
            width: 100%;
            max-width: 900px;
            animation: fadeInUp 1s ease-out;
        }

        .tile {
            position: relative;
            aspect-ratio: 1 / 1;
            background-color: #222;
            overflow: hidden;
            border-radius: 12px;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.3s ease;
        }

        .tile:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
        }

        .tile img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }

        .label {
            position: absolute;
            bottom: 0;
            width: 100%;
            padding: 0.5rem;
            background: rgba(0, 0, 0, 0.6);
            text-align: center;
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-30px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 600px) {
            .container {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            }

            h1 {
                font-size: 2rem;
            }
        }
.title-glow {
    font-size: 3rem; /* bigger font size */
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    color: #fff;
    text-transform: uppercase; /* makes it uppercase */
    text-shadow: 0 0 10px #0ff, 0 0 20px #0ff, 0 0 30px #0ff;
    animation: flicker 1.5s infinite alternate;
}


@keyframes flicker {
    0%   { opacity: 1; text-shadow: 0 0 10px #0ff, 0 0 20px #0ff; }
    25%  { opacity: 0.85; text-shadow: 0 0 15px #0ff; }
    50%  { opacity: 1; text-shadow: 0 0 25px #00f6ff, 0 0 35px #00f6ff; }
    75%  { opacity: 0.7; text-shadow: 0 0 12px #00f6ff; }
    100% { opacity: 1; text-shadow: 0 0 10px #0ff, 0 0 30px #0ff; }
}

.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.modal-overlay.show {
  display: flex;
}

.modal-box {
  background: #111;
  padding: 30px 20px;
  border-radius: 12px;
  max-width: 320px;
  width: 90%;
  text-align: center;
  box-shadow: 0 0 20px #0ff;
  border: 2px solid #0ff;
}

.modal-title {
  color: #0ff;
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-shadow: 0 0 5px #0ff;
}

.modal-input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: none;
  border-radius: 6px;
  background: #222;
  color: #0ff;
  font-size: 1rem;
  box-shadow: 0 0 10px #0ff inset;
}

.btn-submit {
  padding: 10px 20px;
  background: #0ff;
  color: #000;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-cancel {
  padding: 10px 20px;
  background: transparent;
  color: #ccc;
  border: 1px solid #555;
  border-radius: 6px;
  margin-left: 10px;
  cursor: pointer;
  transition: background 0.3s;
}