body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0; padding: 0;
  display: flex; justify-content: center; align-items: center;
  height: 100vh;
  background: linear-gradient(to bottom,#a1c4fd,#c2e9fb);
}

.container { text-align: center; max-width: 600px; width: 95%; }

.glass {
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  padding: 15px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

label { display: block; margin-top: 10px; font-weight: bold; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.5); }

input[type="number"] {
  width: 70%;
  padding: 10px;
  border-radius: 12px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: #fff;
  outline: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

button {
  margin-top: 10px;
  padding: 10px 25px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(45deg,#ff7f50,#ffb347);
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

button:hover { transform: scale(1.05); }

.wheel-container {
  position: relative;
  width: 90%; max-width: 500px;
  margin: 20px auto;
}

canvas {
  width: 100%;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

#pointer {
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: red;
}

.result {
  margin-top: 20px;
  font-size: 2rem;
  font-weight: bold;
  color: #007bff;
  transition: transform 0.3s;
  text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}