:root {
  --background: 350 48% 97%;
  --foreground: 350 38% 12%;
  --primary: 353 83% 43%;
  --primary-foreground: 0 0% 100%;
  --secondary: 24 88% 58%;
  --secondary-foreground: 0 0% 100%;
  --muted: 350 24% 91%;
  --muted-foreground: 350 16% 38%;
  --destructive: 0 86% 48%;
  --destructive-foreground: 0 0% 100%;
  --border: 350 23% 84%;
  --card: 0 0% 100%;
  --radius-sm: 0.5rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.4rem;
  --shadow-sm: 0 4px 14px hsl(353 83% 25% / 0.08);
  --shadow-md: 0 14px 40px hsl(353 83% 25% / 0.14);
  --shadow-lg: 0 28px 80px hsl(353 83% 25% / 0.2);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.dark {
  --background: 350 42% 8%;
  --foreground: 350 20% 96%;
  --primary: 353 84% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 24 88% 62%;
  --secondary-foreground: 350 42% 8%;
  --muted: 350 30% 15%;
  --muted-foreground: 350 12% 72%;
  --destructive: 0 86% 58%;
  --destructive-foreground: 0 0% 100%;
  --border: 350 26% 22%;
  --card: 350 35% 11%;
  --shadow-sm: 0 4px 14px hsl(0 0% 0% / 0.22);
  --shadow-md: 0 14px 40px hsl(0 0% 0% / 0.32);
  --shadow-lg: 0 28px 80px hsl(0 0% 0% / 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, hsl(var(--secondary) / 0.14), transparent 32rem),
    hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.focus-ring:focus {
  outline: 3px solid hsl(var(--primary) / 0.25);
  outline-offset: 2px;
}

.glass-card {
  background: hsl(var(--card) / 0.86);
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.heartbeat {
  animation: heartbeat 1.6s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.13); }
  30% { transform: scale(1); }
  45% { transform: scale(1.08); }
  60% { transform: scale(1); }
}

.skeleton {
  background: linear-gradient(90deg, hsl(var(--muted)), hsl(var(--border)), hsl(var(--muted)));
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}