html, body {
  height: 100dvh;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #ffffff;
  
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

h1 {
  font-size: clamp(1.5rem, 8vw, 2.2rem);
  color: #000000;
  margin-bottom: 60px;
  font-weight: 900;
  line-height: 1.4;
  padding: 0 20px;
}

h1 span {
  color: #d10000;
}

.dont-touch {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 180px;
  height: 180px;
  font-size: 1.6rem;
  font-weight: bold;
  color: #fff;
  background: radial-gradient(circle at 30% 30%, #ff5e5e, #d10000);
  border: 4px solid #000;
  border-radius: 50%;
  
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  
  animation: pulse 2s infinite ease-in-out;
  transition: transform 0.1s;
}

.dont-touch:active {
  transform: scale(0.92);
  background: #a00000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

input[type="file"] {
  display: none;
}

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