body {
  background-image:
    linear-gradient(145deg, rgba(2, 9, 14, 0.88), rgba(8, 26, 36, 0.55)),
    url("../../98.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
  font-family: 'Segoe UI', Arial, sans-serif;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}


h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
  text-shadow: 2px 2px 8px #0008;
  animation: casino-glow 2s infinite alternate;
}

@keyframes casino-glow {
  0% {
    text-shadow: 2px 2px 8px #ffec80, 0 0 10px #ffb347, 0 0 20px #ffcc33;
    color: #fffbe6;
  }
  100% {
    text-shadow: 2px 2px 16px #ffb347, 0 0 30px #ffcc33, 0 0 40px #fffbe6;
    color: #ffe066;
  }
}

p {
  font-size: 1.2rem;
  margin: 0.5rem 0;
}


input[type="number"] {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
  margin-right: 0.5rem;
  width: 120px;
  box-shadow: 0 2px 8px #0002;
  transition: box-shadow 0.3s, border 0.3s;
}

input[type="number"]:focus {
  outline: none;
  border: 2px solid #ffcc33;
  box-shadow: 0 0 12px #ffcc33, 0 2px 8px #0002;
}


button {
  padding: 0.5rem 1.5rem;
  margin-top: 20px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(90deg, #ffb347 0%, #ffcc33 100%);
  color: #222;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 8px #0002;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

button::after {
  content: '';
  position: absolute;
  left: -75%;
  top: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.0) 100%);
  transform: skewX(-20deg);
  transition: left 0.5s;
}

button:hover {
  background: linear-gradient(90deg, #ffcc33 0%, #ffb347 100%);
  transform: scale(1.07) rotate(-1deg);
  box-shadow: 0 4px 16px #ffb34788;
}

button:hover::after {
  left: 120%;
}


#mensaje {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  min-height: 2em;
  text-align: center;
  font-weight: bold;
  text-shadow: 1px 1px 4px #0006;
  opacity: 0;
  animation: mensaje-fadein 0.7s forwards;
}

@keyframes mensaje-fadein {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}