@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css");

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: "Roboto", sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
}

p {
  font-size: 2.5em;
  margin-bottom: 40px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.js-score {
  font-size: 1.5em;
}

button {
  padding: 15px 30px;
  margin: 10px;
  font-size: 1.5em;
  font-weight: 700;
  border: none;
  background-color: #fff;
  color: #333;
  cursor: pointer;
  border-radius: 50px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300%;
  height: 300%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.5s ease;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
}

button:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

button:hover {
  background-color: #ff6b6b;
  color: #fff;
  box-shadow: 0 15px 20px rgba(255, 107, 107, 0.4);
  transform: translateY(-7px);
}

button:active {
  transform: translateY(-1px);
}

button i {
  margin-right: 10px;
}

.result {
  margin-top: 40px;
  font-size: 1.8em;
  font-weight: 700;
  color: #fce38a;
  transition: opacity 0.5s, transform 0.5s;
  opacity: 0;
  transform: scale(0.8);
}

.result.show {
  opacity: 1;
  transform: scale(1);
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  75% {
    transform: translateX(-5px);
  }
  100% {
    transform: translateX(0);
  }
}

button:hover .fa-hand-rock,
button:hover .fa-hand-paper,
button:hover .fa-hand-scissors {
  animation: shake 0.7s ease-in-out;
}