:root {
  --background: 220 33% 98%;
  --foreground: 222 30% 16%;
  --primary: 267 84% 58%;
  --secondary: 193 86% 44%;
  --muted: 220 20% 92%;
  --destructive: 0 78% 56%;
  --border: 224 18% 84%;
  --card: 0 0% 100%;

  --shadow-sm: 0 6px 18px hsla(267, 84%, 58%, 0.08);
  --shadow-md: 0 16px 40px hsla(222, 30%, 16%, 0.12);
  --shadow-lg: 0 24px 70px hsla(267, 84%, 58%, 0.18);

  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(0.22, 1, 0.36, 1);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 226 34% 10%;
  --foreground: 220 25% 94%;
  --primary: 270 92% 70%;
  --secondary: 190 86% 62%;
  --muted: 226 18% 18%;
  --destructive: 0 75% 62%;
  --border: 226 14% 24%;
  --card: 228 24% 13%;

  --shadow-sm: 0 8px 20px hsla(0, 0%, 0%, 0.28);
  --shadow-md: 0 18px 50px hsla(0, 0%, 0%, 0.34);
  --shadow-lg: 0 26px 80px hsla(0, 0%, 0%, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, hsla(267, 84%, 58%, 0.14), transparent 32%),
    radial-gradient(circle at top right, hsla(193, 86%, 44%, 0.12), transparent 28%),
    hsl(var(--background));
}

::selection {
  background: hsla(267, 84%, 58%, 0.22);
}

.card-surface {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
}

.glass-panel {
  background: linear-gradient(180deg, hsla(0, 0%, 100%, 0.78), hsla(0, 0%, 100%, 0.58));
  border: 1px solid hsla(0, 0%, 100%, 0.35);
  backdrop-filter: blur(18px);
}

.dark .glass-panel {
  background: linear-gradient(180deg, hsla(228, 24%, 13%, 0.88), hsla(228, 24%, 13%, 0.7));
  border: 1px solid hsla(226, 14%, 24%, 0.9);
}

.soft-ring {
  box-shadow: 0 0 0 1px hsla(267, 84%, 58%, 0.12), var(--shadow-sm);
}

.hover-lift {
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: hsla(267, 84%, 58%, 0.35);
}

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

.metric-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.24), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.8s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.fade-in {
  animation: fadeIn 360ms var(--transition-smooth);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}