:root {
  --background: 205 38% 97%;
  --foreground: 218 28% 18%;
  --primary: 198 78% 41%;
  --secondary: 154 48% 39%;
  --muted: 210 22% 92%;
  --destructive: 0 72% 52%;
  --border: 212 22% 84%;
  --card: 0 0% 100%;

  --shadow-sm: 0 8px 24px hsla(201, 58%, 16%, 0.08);
  --shadow-md: 0 16px 40px hsla(201, 58%, 16%, 0.12);
  --shadow-lg: 0 24px 60px hsla(201, 58%, 16%, 0.18);

  --transition-fast: 140ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);

  --radius-sm: 0.65rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
}

.dark {
  --background: 219 35% 10%;
  --foreground: 210 25% 94%;
  --primary: 193 83% 59%;
  --secondary: 152 57% 49%;
  --muted: 218 24% 18%;
  --destructive: 0 74% 60%;
  --border: 219 22% 24%;
  --card: 220 29% 14%;

  --shadow-sm: 0 8px 24px hsla(0, 0%, 0%, 0.24);
  --shadow-md: 0 16px 40px hsla(0, 0%, 0%, 0.32);
  --shadow-lg: 0 24px 60px hsla(0, 0%, 0%, 0.44);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, hsla(var(--primary), 0.12), transparent 30%),
    radial-gradient(circle at bottom right, hsla(var(--secondary), 0.1), transparent 28%),
    hsl(var(--background));
  color: hsl(var(--foreground));
  transition: background var(--transition-smooth), color var(--transition-fast);
}

#root {
  min-height: 100vh;
}

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

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

::selection {
  background: hsla(var(--primary), 0.24);
}

.focus-ring:focus-visible {
  outline: 2px solid hsla(var(--primary), 0.45);
  outline-offset: 2px;
}

.glass-panel {
  background: linear-gradient(180deg, hsla(var(--card), 0.96), hsla(var(--card), 0.88));
  backdrop-filter: blur(12px);
}

.metric-glow {
  position: relative;
  overflow: hidden;
}

.metric-glow::after {
  content: '';
  position: absolute;
  inset: auto -20% -45% auto;
  width: 9rem;
  height: 9rem;
  border-radius: 9999px;
  background: hsla(var(--primary), 0.12);
  filter: blur(24px);
}

.soft-scroll::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.soft-scroll::-webkit-scrollbar-thumb {
  background: hsla(var(--foreground), 0.14);
  border-radius: 999px;
}

.soft-scroll::-webkit-scrollbar-track {
  background: transparent;
}