/* ============================================================
 * farpa DS · primitive tokens · v1.0.0
 * ------------------------------------------------------------
 * Raw values. Cores em RGB hex · escalas em rem.
 * Componentes NÃO devem referenciar diretamente · use semantic.
 * ============================================================ */

:root {
  /* ---------- Cores · Colors (raw) ---------- */
  /* Neutros · Neutrals (papel + tinta) */
  --c-paper:        #FBFAF6;  /* papel · warm white */
  --c-paper-soft:   #F5F3ED;  /* papel suave */
  --c-ink:          #1A1A1A;  /* tinta · near-black */
  --c-ink-soft:     #4A4A4A;  /* tinta suave · graphite */
  --c-ink-muted:    #767676;  /* mute · 4.54:1 sobre paper */
  --c-line:         #D9D5CB;  /* linha sutil */
  --c-line-strong:  #B5AFA0;

  /* Marca · Brand (vermelho-óxido) */
  --c-blood-50:     #FBE9E9;
  --c-blood-100:    #F5C9C9;
  --c-blood-200:    #E89898;
  --c-blood-400:    #C24545;
  --c-blood-600:    #A11D1D;
  --c-blood-700:    #8B0000;  /* canon · AAA 9.58:1 sobre paper */
  --c-blood-800:    #6E0000;
  --c-blood-900:    #4A0000;

  /* Status */
  --c-error:        #B91C1C;
  --c-error-bg:     #FEE2E2;
  --c-success:      #15803D;
  --c-success-bg:   #DCFCE7;
  --c-warning:      #B45309;
  --c-warning-bg:   #FEF3C7;
  --c-info:         #1D4ED8;
  --c-info-bg:      #DBEAFE;

  /* Dark (inverso) */
  --c-night:        #0F0F0F;
  --c-night-soft:   #1F1F1F;
  --c-chalk:        #FBFAF6;
  --c-chalk-soft:   #E8E5DD;

  /* High-contrast (AAA absoluto) */
  --c-hc-yellow:    #FFD500;  /* fundo segurança */
  --c-hc-black:     #000000;  /* contraste 21:1 */
  --c-hc-white:     #FFFFFF;

  /* ---------- Spacing · 4-pt grid ---------- */
  --sp-0:    0;
  --sp-1:    0.25rem;   /*  4px */
  --sp-2:    0.5rem;    /*  8px */
  --sp-3:    0.75rem;   /* 12px */
  --sp-4:    1rem;      /* 16px */
  --sp-5:    1.5rem;    /* 24px */
  --sp-6:    2rem;      /* 32px */
  --sp-7:    3rem;      /* 48px */
  --sp-8:    4rem;      /* 64px */
  --sp-9:    6rem;      /* 96px */
  --sp-10:   8rem;      /* 128px */

  /* ---------- Radius ---------- */
  --r-0:     0;
  --r-1:     0.125rem;  /*  2px */
  --r-2:     0.25rem;   /*  4px */
  --r-3:     0.5rem;    /*  8px */
  --r-4:     0.75rem;   /* 12px */
  --r-5:     1rem;      /* 16px */
  --r-6:     1.5rem;    /* 24px */
  --r-full:  9999px;

  /* ---------- Shadows ---------- */
  --sh-1: 0 1px 2px rgba(26,26,26,0.06);
  --sh-2: 0 2px 6px rgba(26,26,26,0.08);
  --sh-3: 0 6px 16px rgba(26,26,26,0.10);
  --sh-4: 0 12px 32px rgba(26,26,26,0.12);

  /* ---------- Z-index ---------- */
  --z-base:    0;
  --z-nav:    10;
  --z-modal:  50;
  --z-toast:  60;

  /* ---------- Motion ---------- */
  --motion-fast:   120ms;
  --motion-base:   200ms;
  --motion-slow:   320ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
}