@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,700;9..144,800&family=Nunito+Sans:wght@400;600;700;800&display=swap");
:root {
  /* ── shadcn base tokens ───────────────────────────────────────── */
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.985 0 0);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --success: oklch(0.596 0.145 145.59);
  --warning: oklch(0.769 0.154 71.29);
  --chart-1: oklch(0.809 0.105 251.813);
  --chart-2: oklch(0.623 0.214 259.815);
  --chart-3: oklch(0.546 0.245 262.881);
  --chart-4: oklch(0.488 0.243 264.376);
  --chart-5: oklch(0.424 0.199 265.638);
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.97 0 0);
  --sidebar-accent-foreground: oklch(0.205 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.708 0 0);

  /* ── surface hierarchy ────────────────────────────────────────── */
  --background-secondary: oklch(0.97 0 0);
  --surface-hover:   color-mix(in srgb, var(--foreground) 6%,  var(--background));
  --surface-active:  color-mix(in srgb, var(--foreground) 10%, var(--background));
  --surface-elevated: oklch(1 0 0);

  /* ── border hierarchy ─────────────────────────────────────────── */
  --border-subtle: oklch(0.96 0 0);
  --border-muted: oklch(0.94 0 0);
  --border-strong: oklch(0.82 0 0);

  /* ── text hierarchy ───────────────────────────────────────────── */
  --foreground-secondary: oklch(0.4 0 0);

  /* ── primary depth (hover/tint states for brand colour) ─────── */
  --primary-hover: color-mix(in srgb, var(--primary) 90%, var(--foreground));
  --primary-muted: color-mix(in srgb, var(--primary) 15%, var(--background));
  --primary-soft:  color-mix(in srgb, var(--primary) 8%,  var(--background));
  --primary-tint:  color-mix(in srgb, var(--primary) 6%,  var(--background));

  /* ── focus ring (alpha-blended, for soft ring style) ────────── */
  --focus-ring: oklch(0.708 0 0 / 0.4);

  /* ── error (form validation — distinct from destructive) ─────── */
  --error: oklch(0.577 0.245 27.325);
  --error-foreground: oklch(0.985 0 0);

  /* ── radius ───────────────────────────────────────────────────── */
  --radius: 0.25rem;
  --radius-none: 0rem;
  --radius-sm: 0.125rem;
  --radius-lg: 0.375rem;
  --radius-xl: 0.5rem;
  --radius-full: 9999px;

  /* ── typography ───────────────────────────────────────────────── */
  --font-display: Inter Display, Inter, ui-sans-serif, system-ui, sans-serif;
  --font-sans: Inter, ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, monospace;
  --font-weight-display: 600;
  --line-height-display: 1.1;
  --tracking-display: -0.02em;
  --font-weight-body: 400;
  --line-height-body: 1.5;
  --tracking-body: 0em;
  --font-weight-mono: 400;

  /* ── shadows ──────────────────────────────────────────────────── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);

  /* ── motion ───────────────────────────────────────────────────── */
  --duration-fast: 100ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-accelerate: cubic-bezier(0.4, 0, 1, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0.2, 1);

  /* ── spacing ──────────────────────────────────────────────────── */
  --spacing-base: 0.25rem;
}

.dark {
  /* ── shadcn base tokens ───────────────────────────────────────── */
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --destructive-foreground: oklch(0.985 0 0);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --success: oklch(0.696 0.145 145.59);
  --warning: oklch(0.849 0.154 71.29);
  --chart-1: oklch(0.809 0.105 251.813);
  --chart-2: oklch(0.623 0.214 259.815);
  --chart-3: oklch(0.546 0.245 262.881);
  --chart-4: oklch(0.488 0.243 264.376);
  --chart-5: oklch(0.424 0.199 265.638);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.556 0 0);

  /* ── surface hierarchy ────────────────────────────────────────── */
  --background-secondary: oklch(0.18 0 0);
  --surface-elevated: oklch(0.26 0 0);

  /* ── border hierarchy ─────────────────────────────────────────── */
  --border-subtle: oklch(1 0 0 / 6%);
  --border-muted: oklch(1 0 0 / 8%);
  --border-strong: oklch(1 0 0 / 20%);

  /* ── text hierarchy ───────────────────────────────────────────── */
  --foreground-secondary: oklch(0.72 0 0);

  /* ── primary depth ────────────────────────────────────────────── */
  --primary-tint: color-mix(in srgb, var(--primary) 8%, var(--background));

  /* ── focus ring ───────────────────────────────────────────────── */
  --focus-ring: oklch(0.556 0 0 / 0.5);

  /* ── error ────────────────────────────────────────────────────── */
  --error: oklch(0.704 0.191 22.216);
  --error-foreground: oklch(0.985 0 0);
}

:root, .dark {
  --font-display: Fraunces, Georgia, serif;
  --font-sans: "Nunito Sans", ui-sans-serif, system-ui, sans-serif;
  --background: oklch(0.966 0.008 84);
  --foreground: oklch(0.34 0.04 160);
  --primary: oklch(0.34 0.04 160);
  --primary-foreground: oklch(0.966 0.008 84);
  --accent: oklch(0.92 0.012 75);
}