* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at top, #1e1e2f, #0b0b12);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: system-ui, sans-serif;
  color: white;
}

/* CARD */
.slot-card {
  background: linear-gradient(145deg, #1c1c2b, #12121c);
  padding: 24px;
  border-radius: 20px;
  box-shadow:
    0 0 30px rgba(130, 90, 255, 0.25),
    inset 0 0 20px rgba(255,255,255,0.05);
  text-align: center;
}

/* FINESTRA SLOT */
.slot-window {
  width: 260px;
  height: 260px;
  overflow: hidden;
  border-radius: 14px;
  position: relative;
  box-shadow: inset 0 0 25px rgba(0,0,0,.8);
  border: 3px solid rgba(255,255,255,.15);
}

/* MASCHERA LUMINOSA */
.slot-window::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,.25),
    transparent 30%,
    transparent 70%,
    rgba(0,0,0,.4)
  );
  pointer-events: none;
}

/* RULLO */
.slot-reel {
  display: flex;
  flex-direction: column;
  transition: transform 3.2s cubic-bezier(.12,.88,.25,1);
}

.slot-reel.spinning {
  filter: blur(4px);
}

.slot-reel img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

/* BOTTONE */
.spin-btn {
  margin-top: 20px;
  padding: 14px 32px;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #7b5cff, #4a3aff);
  border: none;
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(90, 70, 255, .5);
  transition: transform .15s ease, box-shadow .15s ease;
}

.spin-btn:active {
  transform: scale(.95);
  box-shadow: 0 4px 15px rgba(90, 70, 255, .4);
}

.slot-title {
  text-align: center;
  margin-bottom: 20px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: linear-gradient(90deg, #c9b6ff, #7b5cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(123, 92, 255, 0.4);
}

.slot-subtitle {
  text-align: center;
  width: 100%;
  margin-top: -10px;
  margin-bottom: 40px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.75);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.25);
}

#jackpot-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
}

/* SCINTILLE CENTRALI */
.spark {
  position: absolute;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, #fff6a0, gold);
  border-radius: 50%;
  animation: spark-burst 1.2s ease-out forwards;
  box-shadow: 0 0 12px gold;
}

/* MONETE */
.coin {
  position: absolute;
  width: 14px;
  height: 14px;
  background: radial-gradient(circle at top, #fff6a0, gold);
  border-radius: 50%;
  animation: coin-fall 1.8s ease-in forwards;
  box-shadow: 0 0 10px gold;
}

@keyframes spark-burst {
  from {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  to {
    transform: translate(var(--x), var(--y)) scale(0.3);
    opacity: 0;
  }
}

@keyframes coin-fall {
  from {
    transform: translateY(-50px) rotate(0deg);
    opacity: 1;
  }
  to {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}