* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #0a0a0a;
  background-image: 
         radial-gradient(circle at 20% 50%, rgba(255, 0, 0, 0.1) 0%, transparent 50%),
         radial-gradient(circle at 80% 50%, rgba(255, 0, 0, 0.1) 0%, transparent 50%);
  overflow: hidden;
  padding: 20px;
}
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px, 
    rgba(255, 0, 0, 0.03) 2px,
    rgba(255, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 0;
}
.container{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  z-index: 1;
}
.wheel {
  position: relative;
  width: min(400px, 90vw);
  aspect-ratio: 1 / 1;
  filter: drop-shadow( 0 0 20px rgba(255, 0, 0, 0.5));
}
.wheel canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.arrow{
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-right: 30px solid red;
  position: absolute;
  top: 50%;
  right: -3%;
  transform: translateY(-50%);
  z-index: 10;
  filter: drop-shadow( 0 0 5px red);
}
.spin-btn{
  padding: clamp(10px, 3vw, 15px) clamp(24px, 8vw, 40px);
  font-size: clamp(16px, 4vw, 24px);
  background-color: #111;
  color: red;
  border: 2px solid red;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  letter-spacing: 3px;
  text-transform: uppercase;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
  transition: all 0.5s ease;
}
.spin-btn:hover {
  background-color: red;
  color: black;
  box-shadow: 0 0 30px rgba(255, 0, 0, 0.08);
}
.title {
  color: red;
  font-size: clamp(24px, 7vw, 48px);
  letter-spacing: clamp(3px, 1.5vw, 10px);
  text-shadow: 0 0 20px red;
  margin-bottom: 20px;
  text-align: center;
  padding: 0 12px;
  font-family: Arial, Helvetica, sans-serif;
  animation: flicker 3s infinite;
}
@keyframes flicker {
  0% { opacity: 1;}
  96% { opacity: 0.4;}
  97% { opacity: 1;}
  100% { opacity: 1;}
}
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 999;
    justify-content: center;
    align-items: center;
}
.popup.active {
    display: flex;
}
.popup-content {
    background: #111;
    border: 2px solid red;
    padding: clamp(20px, 6vw, 40px);
    max-width: 90vw;
    text-align: center;
    box-shadow: 0 0 40px rgba(255, 0, 0, 0.8);
    animation: popIn 0.3s ease;
}
@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.popup-title {
    color: red;
    font-size: clamp(18px, 4vw, 24px);
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-shadow: 0 0 10px red;
}
.popup-result {
    color: white;
    font-size: clamp(32px, 10vw, 64px);
    font-weight: bold;
    margin-bottom: 30px;
    text-shadow: 0 0 20px white;
    word-break: break-word;
}
.popup-btn {
    padding: 15px 40px;
    font-size: 18px;
    background-color: #111;
    color: red;
    border: 2px solid red;
    cursor: pointer;
    letter-spacing: 3px;
    font-weight: bold;
    transition: all 0.3s ease;
}
.popup-btn:hover {
    background-color: red;
    color: black;
    box-shadow: 0 0 20px red;
}