:root {
  --background: 232 42% 7%;
  --foreground: 210 40% 98%;
  --primary: 184 100% 56%;
  --secondary: 292 92% 64%;
  --muted: 232 20% 16%;
  --muted-foreground: 220 18% 70%;
  --destructive: 0 84% 63%;
  --border: 228 18% 22%;
  --card: 231 28% 11%;
  --positive: 152 77% 45%;

  --shadow-sm: 0 8px 24px hsla(233, 50%, 3%, 0.22);
  --shadow-md: 0 14px 36px hsla(184, 100%, 56%, 0.14);
  --shadow-lg: 0 18px 48px hsla(292, 92%, 64%, 0.18);

  --transition-fast: 140ms ease;
  --transition-smooth: 280ms cubic-bezier(0.2, 0.8, 0.2, 1);

  --radius-sm: 0.7rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
}

.dark {
  --background: 232 42% 7%;
  --foreground: 210 40% 98%;
  --primary: 184 100% 56%;
  --secondary: 292 92% 64%;
  --muted: 232 20% 16%;
  --muted-foreground: 220 18% 70%;
  --destructive: 0 84% 63%;
  --border: 228 18% 22%;
  --card: 231 28% 11%;
}

:root:not(.dark) {
  --background: 210 40% 98%;
  --foreground: 232 42% 10%;
  --primary: 198 93% 48%;
  --secondary: 284 82% 58%;
  --muted: 215 24% 92%;
  --muted-foreground: 228 12% 42%;
  --destructive: 0 72% 52%;
  --border: 220 18% 84%;
  --card: 0 0% 100%;
}

* {
  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;
}

.glass-panel {
  background: linear-gradient(180deg, hsla(var(--card), 0.88), hsla(var(--card), 0.68));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, hsla(var(--muted), 0.8), hsla(var(--card), 0.9), hsla(var(--muted), 0.8));
  background-size: 200% 100%;
  animation: shimmer 1.3s linear infinite;
  border: 1px solid hsl(var(--border));
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

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

::-webkit-scrollbar-track {
  background: hsl(var(--muted));
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, hsl(var(--primary)), hsl(var(--secondary)));
  border-radius: 999px;
}

input::placeholder {
  color: hsl(var(--muted-foreground));
}

a,
button,
input {
  transition: all var(--transition-fast);
}

button {
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}