:root {
  --background: 248 52% 7%;
  --foreground: 210 40% 98%;
  --primary: 318 92% 62%;
  --secondary: 190 95% 58%;
  --muted: 247 22% 22%;
  --destructive: 0 84% 62%;
  --border: 245 23% 28%;
  --card: 248 38% 12%;
  --shadow-sm: 0 6px 18px hsl(248 60% 3% / 0.22);
  --shadow-md: 0 16px 44px hsl(248 60% 3% / 0.35);
  --shadow-lg: 0 26px 80px hsl(318 92% 30% / 0.28);
  --transition-fast: 150ms ease;
  --transition-smooth: 280ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 248 52% 7%;
  --foreground: 210 40% 98%;
  --primary: 318 92% 62%;
  --secondary: 190 95% 58%;
  --muted: 247 22% 22%;
  --destructive: 0 84% 62%;
  --border: 245 23% 28%;
  --card: 248 38% 12%;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at 15% 10%, hsl(var(--primary) / 0.28), transparent 34%),
    radial-gradient(circle at 85% 20%, hsl(var(--secondary) / 0.22), transparent 30%),
    linear-gradient(160deg, hsl(var(--background)), hsl(252 55% 10%));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overflow-x: hidden;
}

button, a, select, input {
  -webkit-tap-highlight-color: transparent;
}

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

.glass-card {
  background: linear-gradient(145deg, hsl(var(--card) / 0.92), hsl(var(--muted) / 0.72));
  border: 1px solid hsl(var(--border) / 0.85);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(22px);
}

.orb {
  position: relative;
  background:
    radial-gradient(circle at 30% 24%, hsl(0 0% 100% / 0.88), transparent 13%),
    conic-gradient(from 110deg, hsl(var(--primary)), hsl(var(--secondary)), hsl(270 95% 68%), hsl(var(--primary)));
  box-shadow: 0 0 38px hsl(var(--primary) / 0.45), inset 0 0 26px hsl(0 0% 100% / 0.22);
}

.orb::before,
.orb::after {
  content: '';
  position: absolute;
  inset: -16px;
  border-radius: 999px;
  border: 1px solid hsl(var(--secondary) / 0.28);
  animation: pulse-ring 2.4s infinite;
}

.orb::after {
  inset: -32px;
  animation-delay: .45s;
  border-color: hsl(var(--primary) / 0.22);
}

.orb-listening {
  animation: breathe 1.4s ease-in-out infinite;
}

.wave-bar {
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(to top, hsl(var(--primary)), hsl(var(--secondary)));
  animation: wave 1s ease-in-out infinite;
}

.sheet-enter {
  animation: sheet-up var(--transition-smooth);
}

@keyframes pulse-ring {
  0% { transform: scale(.82); opacity: .9; }
  80%, 100% { transform: scale(1.28); opacity: 0; }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); filter: saturate(1); }
  50% { transform: scale(1.06); filter: saturate(1.35); }
}

@keyframes wave {
  0%, 100% { height: 14px; opacity: .62; }
  50% { height: 38px; opacity: 1; }
}

@keyframes sheet-up {
  from { transform: translateY(100%); opacity: .6; }
  to { transform: translateY(0); opacity: 1; }
}