style.css

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --cyan-glow: 0 0 10px rgba(0, 247, 255, 0.5), 0 0 20px rgba(0, 247, 255, 0.3);
  --purple-glow: 0 0 10px rgba(179, 0, 255, 0.5), 0 0 20px rgba(179, 0, 255, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #0a0a12;
  color: #f0f0f0;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated gradient background */
#background {
  background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #0a0a12);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

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

/* Glassmorphism effect */
.glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Custom button styles */
.amount-btn.selected,
.currency-btn.selected {
  background: rgba(0, 247, 255, 0.15);
  border-color: #00f7ff;
  box-shadow: var(--cyan-glow);
}

.amount-btn:hover:not(.selected),
.currency-btn:hover:not(.selected) {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Input focus glow */
input:focus {
  box-shadow: 0 0 0 3px rgba(0, 247, 255, 0.3);
}

/* Feather icons styling */
.feather {
  width: 20px;
  height: 20px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .grid-cols-2 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
  
  .lg\:grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

/* Animation for success message */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.pulse-animation {
  animation: pulse 1.5s infinite;
}