:root {
  --background: 210 50% 98%;
  --foreground: 221 39% 18%;
  --primary: 217 88% 55%;
  --secondary: 145 58% 45%;
  --muted: 210 28% 93%;
  --destructive: 0 78% 58%;
  --border: 214 32% 86%;
  --card: 0 0% 100%;

  --shadow-sm: 0 6px 18px hsla(217, 88%, 35%, 0.08);
  --shadow-md: 0 14px 34px hsla(217, 88%, 30%, 0.12);
  --shadow-lg: 0 20px 48px hsla(217, 88%, 28%, 0.18);

  --transition-fast: 180ms ease;
  --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
}

.dark {
  --background: 224 34% 10%;
  --foreground: 210 40% 96%;
  --primary: 217 92% 62%;
  --secondary: 148 55% 50%;
  --muted: 224 22% 18%;
  --destructive: 0 76% 60%;
  --border: 223 20% 24%;
  --card: 224 28% 14%;

  --shadow-sm: 0 8px 18px hsla(224, 40%, 2%, 0.24);
  --shadow-md: 0 14px 34px hsla(224, 40%, 2%, 0.34);
  --shadow-lg: 0 22px 56px hsla(224, 40%, 2%, 0.42);
}

* {
  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(217, 88%, 55%, 0.10), transparent 30%),
    radial-gradient(circle at top right, hsla(145, 58%, 45%, 0.10), transparent 26%),
    hsl(var(--background));
}

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

.card-hero {
  background: linear-gradient(135deg, hsla(217, 88%, 55%, 0.12), hsla(145, 58%, 45%, 0.14)), hsl(var(--card));
  border: 1px solid hsla(217, 88%, 55%, 0.14);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
}

.insta-panel {
  background:
    linear-gradient(160deg, hsla(217, 88%, 55%, 0.10), hsla(145, 58%, 45%, 0.10)),
    linear-gradient(40deg, hsla(280, 80%, 60%, 0.08), transparent),
    hsl(var(--card));
  border: 1px solid hsla(217, 88%, 55%, 0.12);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.soft-ring:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

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

.glass-chip {
  background: hsla(217, 88%, 55%, 0.10);
  color: hsl(var(--primary));
  border: 1px solid hsla(217, 88%, 55%, 0.16);
}

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

.metric-ring::after {
  content: "";
  position: absolute;
  inset: auto -10% -50% auto;
  width: 100px;
  height: 100px;
  border-radius: 999px;
  background: hsla(145, 58%, 45%, 0.10);
}

.feed-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  box-shadow: 0 0 0 3px hsla(217, 88%, 55%, 0.12);
}