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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: #FFFFFF;
  color: #1D1D1F;
  min-height: 100vh;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #000000;
    color: #F5F5F7;
  }
}

input, select, textarea, button {
  font-family: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #D1D1D6;
  border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
  ::-webkit-scrollbar-thumb {
    background: #38383A;
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.2s ease-out;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}