:root {
  --background: 210 40% 98%;
  --foreground: 218 31% 14%;
  --primary: 205 89% 42%;
  --secondary: 189 45% 90%;
  --muted: 210 28% 94%;
  --destructive: 0 74% 52%;
  --border: 214 25% 84%;
  --card: 0 0% 100%;
  --shadow-sm: 0 1px 2px hsla(218, 31%, 14%, 0.08);
  --shadow-md: 0 10px 30px hsla(210, 60%, 20%, 0.12);
  --shadow-lg: 0 24px 60px hsla(210, 60%, 20%, 0.16);
  --transition-fast: 140ms ease;
  --transition-smooth: 280ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

.dark {
  --background: 222 35% 9%;
  --foreground: 210 40% 96%;
  --primary: 192 91% 60%;
  --secondary: 217 25% 18%;
  --muted: 218 20% 15%;
  --destructive: 0 72% 58%;
  --border: 217 18% 26%;
  --card: 222 30% 12%;
  --shadow-sm: 0 1px 2px hsla(0, 0%, 0%, 0.35);
  --shadow-md: 0 12px 32px hsla(0, 0%, 0%, 0.45);
  --shadow-lg: 0 30px 70px hsla(0, 0%, 0%, 0.55);
}

* {
  box-sizing: border-box;
}

html, body, #root {
  min-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(192, 91%, 60%, 0.12), transparent 28%),
    radial-gradient(circle at top right, hsla(205, 89%, 42%, 0.10), transparent 32%),
    hsl(var(--background));
  color: hsl(var(--foreground));
}

::selection {
  background: hsla(205, 89%, 42%, 0.22);
}

.card-shadow {
  box-shadow: var(--shadow-md);
}

.glass {
  backdrop-filter: blur(14px);
  background: hsla(0, 0%, 100%, 0.68);
}

.dark .glass {
  background: hsla(222, 30%, 12%, 0.72);
}

.pulse-dot {
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.4); opacity: 1; }
}

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

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

.report-grid {
  background-image:
    linear-gradient(hsla(214, 25%, 84%, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, hsla(214, 25%, 84%, 0.35) 1px, transparent 1px);
  background-size: 24px 24px;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid hsla(205, 89%, 42%, 0.45);
  outline-offset: 2px;
}

.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%, 0.55), transparent);
  animation: shimmer 1.5s infinite;
}

.dark .skeleton::after {
  background: linear-gradient(90deg, transparent, hsla(210, 40%, 96%, 0.12), transparent);
}

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