body {
  background: linear-gradient(-45deg, #0f172a, #1e293b, #334155, #0f172a);
  background-size: 400% 400%;
  animation: bgMove 20s ease infinite;
  color: white;
  overflow-x: hidden;
  min-height: 100vh;
}

@keyframes bgMove {
  0% {background-position: 0% 50%;}
  50% {background-position: 100% 50%;}
  100% {background-position: 0% 50%;}
}

@keyframes neonRainbow {
  0%{box-shadow:0 0 10px #22c55e,0 0 20px #22c55e;border-color:#22c55e;}
  20%{box-shadow:0 0 10px #3b82f6,0 0 20px #3b82f6;border-color:#3b82f6;}
  40%{box-shadow:0 0 10px #facc15,0 0 20px #facc15;border-color:#facc15;}
  60%{box-shadow:0 0 10px #ec4899,0 0 20px #ec4899;border-color:#ec4899;}
  80%{box-shadow:0 0 10px #a855f7,0 0 20px #a855f7;border-color:#a855f7;}
  100%{box-shadow:0 0 10px #22c55e,0 0 20px #22c55e;border-color:#22c55e;}
}

.neon-rainbow {
  border: 2px solid #22c55e;
  animation: neonRainbow 6s infinite ease-in-out;
}

.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.star {
  position: absolute;
  border-radius: 50%;
  opacity: 0.85;
  animation: twinkle infinite, drift linear infinite;
}

@keyframes twinkle {
  0%,100% {opacity:0.2; transform:scale(0.8);}
  50% {opacity:1; transform:scale(1.2);}
}

@keyframes drift {
  0% {transform:translate(0,0);}
  100% {transform:translate(-50px,50px);}
}

.shooting-star {
  position: absolute;
  height: 2px;
  opacity: 0.9;
  transform: rotate(-30deg);
  pointer-events: none;
  z-index: -1;
  animation: shoot linear forwards;
  filter: drop-shadow(0 0 8px currentColor);
}

@keyframes shoot {
  0% {opacity:1; transform:translateX(0) translateY(0) rotate(-30deg);}
  100% {opacity:0; transform:translateX(-800px) translateY(400px) rotate(-30deg);}
}

.card {
  background: rgba(31,41,55,0.8);
  border-radius: 0.75rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 180px;
  font-size: 0.9rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.btn:hover {transform:scale(1.1);}
.btn.green {background:linear-gradient(to right,#22c55e,#15803d);}
.btn.blue {background:linear-gradient(to right,#3b82f6,#1e40af);}

/* ✅ Ripple Effect Fix */
.ripple {
  position: absolute;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
  z-index: 0;
}

@keyframes ripple-animation {
  to {
    transform: scale(3);
    opacity: 0;
  }
}