:root {
  --background: 220 33% 98%;
  --foreground: 225 29% 15%;
  --primary: 250 84% 60%;
  --secondary: 173 65% 41%;
  --muted: 220 22% 94%;
  --destructive: 0 75% 56%;
  --border: 221 19% 86%;
  --card: 0 0% 100%;

  --shadow-sm: 0 8px 20px hsla(248, 60%, 35%, 0.08);
  --shadow-md: 0 16px 38px hsla(248, 60%, 35%, 0.12);
  --shadow-lg: 0 30px 60px hsla(248, 60%, 25%, 0.18);

  --transition-fast: 180ms ease;
  --transition-smooth: 320ms cubic-bezier(0.22, 1, 0.36, 1);

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

.dark {
  --background: 228 25% 10%;
  --foreground: 210 20% 96%;
  --primary: 252 92% 70%;
  --secondary: 173 65% 49%;
  --muted: 228 18% 17%;
  --destructive: 0 78% 64%;
  --border: 227 14% 24%;
  --card: 228 23% 13%;

  --shadow-sm: 0 8px 20px hsla(240, 60%, 2%, 0.35);
  --shadow-md: 0 18px 40px hsla(240, 60%, 2%, 0.45);
  --shadow-lg: 0 30px 70px hsla(240, 60%, 2%, 0.55);
}

* {
  box-sizing: border-box;
}

html, body, #root {
  height: 100%;
}

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(250, 84%, 60%, 0.12), transparent 28%),
    radial-gradient(circle at top right, hsla(173, 65%, 41%, 0.10), transparent 25%),
    hsl(var(--background));
}

button, a {
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-smooth), opacity var(--transition-fast);
}

button:hover, a:hover {
  transform: translateY(-1px);
}

button:active, a:active {
  transform: translateY(0);
}

.glass-card {
  background: linear-gradient(180deg, hsla(0, 0%, 100%, 0.95), hsla(0, 0%, 100%, 0.9));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.dark .glass-card {
  background: linear-gradient(180deg, hsla(228, 23%, 16%, 0.95), hsla(228, 23%, 13%, 0.92));
}

.metric-gradient {
  background-image: linear-gradient(135deg, hsla(var(--primary), 0.18), hsla(var(--secondary), 0.08));
}

.hero-grid {
  background-image:
    linear-gradient(hsla(var(--border), 0.45) 1px, transparent 1px),
    linear-gradient(90deg, hsla(var(--border), 0.45) 1px, transparent 1px);
  background-size: 28px 28px;
}

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

.scrollbar-thin::-webkit-scrollbar-thumb {
  background: hsla(250, 84%, 60%, 0.25);
  border-radius: 999px;
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: hsl(var(--muted));
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.45), transparent);
  animation: shimmer 1.4s infinite;
}

.dark .skeleton::after {
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.08), transparent);
}

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

.fade-in {
  animation: fadeIn 280ms ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}