:root {
  color-scheme: light;
  --font-sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --bg-canvas: #f4f6fa;
  --bg-muted: #e9eef7;
  --bg-panel: rgba(255, 255, 255, 0.92);
  --bg-panel-strong: #ffffff;
  --bg-accent-soft: rgba(19, 91, 236, 0.1);
  --text-strong: #0f172a;
  --text-base: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --line-soft: rgba(148, 163, 184, 0.22);
  --line-base: rgba(148, 163, 184, 0.34);
  --accent: #135bec;
  --accent-strong: #0b4bcc;
  --accent-soft: #dbe7ff;
  --success: #0f9f63;
  --success-soft: rgba(15, 159, 99, 0.12);
  --warning: #c37b0d;
  --warning-soft: rgba(195, 123, 13, 0.12);
  --danger: #d63e52;
  --danger-soft: rgba(214, 62, 82, 0.12);
  --shadow-lg: 0 28px 64px rgba(15, 23, 42, 0.12);
  --shadow-md: 0 16px 36px rgba(15, 23, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --content-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-strong);
  background:
    radial-gradient(circle at top left, rgba(19, 91, 236, 0.08), transparent 30%),
    radial-gradient(circle at bottom right, rgba(94, 140, 255, 0.12), transparent 38%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg-canvas) 58%, #edf2f8 100%);
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
}