/* Monochrome dark theme */
:root {
  --background: #0a0a0a;
  --foreground: #e5e5e5;
  --muted: #171717;
  --muted-foreground: #a3a3a3;
  --card: #111111;
  --card-foreground: #fafafa;
  --border: #262626;
  --ring: #525252;
}

html {
  color-scheme: dark;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #171717;
  color: #fafafa;
}

*:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #262626;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.slide-in {
  animation: slideIn 0.4s ease-out;
}

/* Collapsible animations */
@keyframes collapsible-down {
  from {
    height: 0;
  }
  to {
    height: var(--radix-collapsible-content-height);
  }
}

@keyframes collapsible-up {
  from {
    height: var(--radix-collapsible-content-height);
  }
  to {
    height: 0;
  }
}

.animate-collapsible-down {
  animation: collapsible-down 0.2s ease-out;
}

.animate-collapsible-up {
  animation: collapsible-up 0.2s ease-out;
}

/* Loading spinner */
.spinner {
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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