/* ==========================================================================
   tokens.css — .brain/ui/tokens.css · fonte única do visual (cores, fontes,
   raios, espaçamentos). Tema escuro via [data-theme="dark"]. Troque a paleta
   aqui e todos os componentes acompanham.
   ========================================================================== */
/* .brain/ui/tokens.css — fonte única do visual */
:root{
  --k-font:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif; --k-mono:"JetBrains Mono",ui-monospace,monospace;
  --k-fs-sm:13px; --k-fs:14px; --k-fs-lg:16px; --k-fs-xl:20px;
  --k-bg:#ffffff; --k-surface:#f5f7fb; --k-surface-2:#e9edf5; --k-border:#dfe3ec; --k-text:#0f172a; --k-muted:#5b6478;
  --k-primary:#2563eb; --k-primary-hover:#1d4ed8; --k-on-primary:#ffffff;
  --k-success:#16a34a; --k-warning:#d97706; --k-danger:#dc2626; --k-info:#0891b2;
  --k-radius-sm:6px; --k-radius:10px; --k-radius-lg:16px;
  --k-shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.10);
  --k-focus:0 0 0 3px color-mix(in srgb,var(--k-primary) 35%,transparent);
  --k-sp-1:4px; --k-sp-2:8px; --k-sp-3:12px; --k-sp-4:16px; --k-sp-6:24px; --k-sp-8:32px; --k-t:.18s ease;
}
[data-theme="dark"]{
  --k-bg:#0b0f19; --k-surface:#121826; --k-surface-2:#1b2333; --k-border:#26304a; --k-text:#e6e9f2; --k-muted:#96a0b5;
  --k-primary:#5b9cff; --k-primary-hover:#7fb2ff; --k-on-primary:#08101f;
  --k-shadow:0 1px 2px rgba(0,0,0,.5),0 10px 30px rgba(0,0,0,.5);
}
.k{font-family:var(--k-font);font-size:var(--k-fs);color:var(--k-text);background:var(--k-bg);line-height:1.5}
.k *,.k *::before,.k *::after{box-sizing:border-box}