:root {
  color-scheme: dark;
  font-family: 'Inter', system-ui, sans-serif;
}

body {
  margin: 0;
  background: linear-gradient(-45deg, #0f172a, #1e1b4b, #000000, #312e81);
  background-size: 400% 400%;
  animation: gradientBg 15s ease infinite;
  min-height: 100vh;
}

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

button, a {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.link-btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-btn:hover {
  transform: translateY(-2px) scale(1.01);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.payment-btn {
  transition: all 0.2s ease;
}

.payment-btn:active {
  transform: scale(0.95);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.4);
}