:root {
  --background: 264 38% 98%;
  --foreground: 252 26% 14%;
  --primary: 279 86% 58%;
  --secondary: 193 85% 54%;
  --muted: 255 20% 94%;
  --destructive: 0 78% 56%;
  --border: 254 26% 85%;
  --card: 0 0% 100%;

  --shadow-sm: 0 8px 20px hsla(263, 40%, 18%, 0.06);
  --shadow-md: 0 18px 40px hsla(263, 40%, 18%, 0.1);
  --shadow-lg: 0 26px 70px hsla(263, 40%, 18%, 0.16);

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

  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
}

.dark {
  --background: 248 32% 8%;
  --foreground: 256 32% 96%;
  --primary: 284 92% 68%;
  --secondary: 192 89% 62%;
  --muted: 250 22% 16%;
  --destructive: 0 82% 64%;
  --border: 248 18% 24%;
  --card: 248 24% 12%;

  --shadow-sm: 0 8px 20px hsla(0, 0%, 0%, 0.22);
  --shadow-md: 0 18px 40px hsla(0, 0%, 0%, 0.3);
  --shadow-lg: 0 26px 70px hsla(0, 0%, 0%, 0.42);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

::selection {
  background: hsl(var(--primary) / 0.22);
}

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

.glass {
  background: linear-gradient(180deg, hsl(var(--card) / 0.92), hsl(var(--card) / 0.82));
  backdrop-filter: blur(14px);
}

.scrollbar-thin::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
  background: hsl(var(--border));
  border-radius: 999px;
}

.security-grid {
  background-image:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.12), transparent 26%),
    radial-gradient(circle at bottom right, hsl(var(--secondary) / 0.12), transparent 24%);
}

.fade-in {
  animation: fadeIn 320ms var(--transition-smooth);
}

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

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

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, hsl(var(--background) / 0.5), transparent);
  animation: shimmer 1.5s infinite;
}

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

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.safe-bottom {
  padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}