:root {
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --background: 220 48% 8%;
  --foreground: 43 45% 94%;
  --card: 220 43% 12%;
  --card-foreground: 43 45% 94%;
  --popover: 220 42% 10%;
  --popover-foreground: 43 45% 94%;
  --primary: 219 78% 46%;
  --primary-foreground: 43 56% 96%;
  --secondary: 216 30% 18%;
  --secondary-foreground: 43 45% 92%;
  --muted: 218 28% 18%;
  --muted-foreground: 42 18% 72%;
  --accent: 42 83% 56%;
  --accent-foreground: 222 44% 9%;
  --destructive: 0 72% 51%;
  --destructive-foreground: 43 56% 96%;
  --success: 145 63% 42%;
  --success-foreground: 43 56% 96%;
  --warning: 38 92% 50%;
  --warning-foreground: 222 44% 9%;
  --info: 199 89% 48%;
  --info-foreground: 222 44% 9%;
  --border: 219 27% 22%;
  --input: 219 26% 24%;
  --ring: 42 83% 56%;
  --radius: 0.625rem;
  --shadow-sm: 0 1px 2px hsl(var(--foreground) / 0.05);
  --shadow-md: 0 4px 12px hsl(var(--foreground) / 0.08);
  --shadow-lg: 0 12px 32px hsl(var(--foreground) / 0.12);
  --shadow-elegant: 0 18px 48px hsl(var(--accent) / 0.16);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
  --background: 220 48% 8%;
  --foreground: 43 45% 94%;
  --card: 220 43% 12%;
  --card-foreground: 43 45% 94%;
  --popover: 220 42% 10%;
  --popover-foreground: 43 45% 94%;
  --primary: 219 78% 46%;
  --primary-foreground: 43 56% 96%;
  --secondary: 216 30% 18%;
  --secondary-foreground: 43 45% 92%;
  --muted: 218 28% 18%;
  --muted-foreground: 42 18% 72%;
  --accent: 42 83% 56%;
  --accent-foreground: 222 44% 9%;
  --destructive: 0 72% 51%;
  --destructive-foreground: 43 56% 96%;
  --success: 145 63% 42%;
  --success-foreground: 43 56% 96%;
  --warning: 38 92% 50%;
  --warning-foreground: 222 44% 9%;
  --info: 199 89% 48%;
  --info-foreground: 222 44% 9%;
  --border: 219 27% 22%;
  --input: 219 26% 24%;
  --ring: 42 83% 56%;
}

html {
  font-family: var(--font-sans);
  background: hsl(var(--background));
  color: hsl(var(--foreground));
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.22), transparent 34rem),
    radial-gradient(circle at top right, hsl(var(--accent) / 0.16), transparent 30rem),
    hsl(var(--background));
}

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

input, select, textarea {
  font-size: max(16px, 1rem);
}

* {
  box-sizing: border-box;
}

.safe-bottom {
  padding-bottom: env(safe-area-inset-bottom);
}

.safe-top {
  padding-top: env(safe-area-inset-top);
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.avatar-orb {
  position: relative;
  isolation: isolate;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), filter var(--transition-smooth);
}

.avatar-orb::before,
.avatar-orb::after {
  content: "";
  position: absolute;
  inset: -0.45rem;
  z-index: -1;
  border-radius: 999px;
  border: 1px solid hsl(var(--accent) / 0.28);
  opacity: 0.7;
}

.avatar-orb::after {
  inset: -0.9rem;
  border-color: hsl(var(--primary) / 0.3);
  opacity: 0.42;
}

.avatar-ready {
  animation: avatar-float 4.2s ease-in-out infinite;
}

.avatar-listening {
  animation: avatar-pulse 1.7s ease-in-out infinite;
  filter: saturate(1.14);
}

.avatar-thinking {
  animation: avatar-think 1.05s ease-in-out infinite;
  filter: brightness(1.08) saturate(1.2);
}

.avatar-speaking {
  animation: avatar-speak 0.82s ease-in-out infinite;
  box-shadow: 0 0 0 10px hsl(var(--accent) / 0.08), var(--shadow-elegant);
}

.avatar-eye {
  display: block;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: hsl(var(--accent));
  box-shadow: 0 0 18px hsl(var(--accent) / 0.78);
}

.avatar-mouth {
  position: absolute;
  top: 4.3rem;
  width: 2.7rem;
  height: 1.1rem;
  border-bottom: 3px solid hsl(var(--accent));
  border-radius: 0 0 999px 999px;
}

.avatar-speaking .avatar-mouth {
  height: 1.35rem;
  border: 3px solid hsl(var(--accent));
  border-top: 0;
  animation: avatar-mouth 0.42s ease-in-out infinite;
}

.avatar-thinking .avatar-eye {
  animation: avatar-blink 1.05s ease-in-out infinite;
}

@keyframes avatar-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes avatar-pulse {
  0%, 100% { transform: scale(1); box-shadow: var(--shadow-elegant); }
  50% { transform: scale(1.035); box-shadow: 0 0 0 12px hsl(var(--primary) / 0.08), var(--shadow-elegant); }
}

@keyframes avatar-think {
  0%, 100% { transform: rotate(-1deg) translateY(0); }
  50% { transform: rotate(1deg) translateY(-4px); }
}

@keyframes avatar-speak {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.055); }
}

@keyframes avatar-mouth {
  0%, 100% { transform: scaleY(0.62); }
  50% { transform: scaleY(1.14); }
}

@keyframes avatar-blink {
  0%, 88%, 100% { transform: scaleY(1); }
  92%, 96% { transform: scaleY(0.18); }
}