/* ==========================================================================
   Codrex · Design tokens
   Fuente de verdad: apps/dna-codrex/docs/brand.md (Appendix A) + brand CLAUDE.md.
   Reglas: paleta pastel iridiscente como ACENTO sobre base luminosa. Light por
   defecto (nunca dark por prefers-color-scheme). Cero verde lima OH WOW!.
   ========================================================================== */

:root {
  /* --- Core palette (brand.md 2.1) --- */
  --codrex-perla:   #F7F8FA;
  --codrex-plata:   #E6E8ED;
  --codrex-grafito: #1A1D22;
  --codrex-violeta: #7B69FF;
  --codrex-menta:   #B7F3E0;
  --codrex-calido:  #FFD7B8;

  /* Iridescent accents derived from the LIQUID CORTEX blob (for gradients only) */
  --codrex-lavanda: #C9C2FF;
  --codrex-cielo:   #BFE0FF;
  --codrex-cyan:    #A7EFE4;
  --codrex-rosa:    #FFD3EC;

  /* --- Semantic (light mode default) --- */
  --color-bg-primary:     var(--codrex-perla);
  --color-bg-secondary:   #FFFFFF;
  --color-bg-tertiary:    var(--codrex-plata);
  --color-text-primary:   var(--codrex-grafito);
  --color-text-secondary: #5B616B;
  --color-text-tertiary:  #9CA3AF;
  --color-border:         var(--codrex-plata);
  --color-border-subtle:  rgba(0, 0, 0, 0.06);
  /* Violeta accesible para texto/interactivos (AA 4.5+ sobre base clara); el brand #7B69FF
     queda para gradients, mesh y decorativo. Mismo patron que el badge ClickUp #6741D9. */
  --color-accent:         #6A56F0;
  --color-accent-hover:   #5A46E0;
  --color-accent-solid:   #6A56F0; /* fondo de boton primario: blanco encima = 4.99:1 */
  --color-accent-solid-hover: #5A46E0;
  --color-accent-subtle:  rgba(123, 105, 255, 0.08);
  --color-accent-line:    rgba(123, 105, 255, 0.18);
  --color-success:        var(--codrex-menta);
  --color-success-text:   #065F46;
  --color-warning:        var(--codrex-calido);
  --color-warning-text:   #92400E;
  --color-on-accent:      #FFFFFF;

  /* Surface used behind pastel/tinted sections (kept luminous, never drenched) */
  --color-wash:           #F1F0FF;
  --color-wash-strong:    #ECEAFF;

  /* --- Glassmorphism (archetype 04) --- */
  --glass:         rgba(255, 255, 255, 0.55);
  --glass-2:       rgba(255, 255, 255, 0.32);
  --glass-strong:  rgba(255, 255, 255, 0.72);
  --glass-border:  rgba(255, 255, 255, 0.70);
  --glass-blur:    18px;
  --glass-shadow:  0 24px 60px rgba(31, 41, 55, 0.12);
  --glass-shadow-lg: 0 40px 90px rgba(31, 41, 55, 0.16);
  /* iridescent mesh stops (pastel over cream) */
  --mesh-1: #C9C2FF;
  --mesh-2: #A7EFE4;
  --mesh-3: #FFD3EC;
  --mesh-4: #BFE0FF;
  --mesh-alpha: 0.55;

  /* --- Typography (brand.md 3) --- */
  --font-primary: 'PP Neue Montreal', 'Inter', system-ui, -apple-system,
                  BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-regular:  400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;

  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  2rem;      /* 32px */
  --text-4xl:  3rem;      /* 48px */
  /* Marketing display sizes (fluid). Extension over the dashboard scale. */
  --text-5xl:  clamp(2.5rem, 1.6rem + 4vw, 4rem);      /* h2 hero-ish */
  --text-6xl:  clamp(3rem, 1.4rem + 6.4vw, 5.5rem);    /* hero h1 */

  --leading-tight:   1.08;
  --leading-snug:    1.2;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;

  --tracking-tight:  -0.02em;
  --tracking-snug:   -0.035em;
  --tracking-normal:  0;
  --tracking-wide:    0.02em;
  --tracking-wider:   0.14em;

  /* --- Spacing (brand.md 7) --- */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --space-32: 128px;

  /* --- Radius (brand.md 7.5) --- */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 999px;

  /* --- Shadows (soft, premium; never heavy) --- */
  --shadow-xs: 0 1px 2px rgba(26, 29, 34, 0.04);
  --shadow-sm: 0 1px 3px rgba(26, 29, 34, 0.05), 0 1px 2px rgba(26, 29, 34, 0.03);
  --shadow-md: 0 8px 24px rgba(26, 29, 34, 0.07);
  --shadow-lg: 0 24px 60px rgba(26, 29, 34, 0.10);
  --shadow-glow: 0 20px 80px rgba(123, 105, 255, 0.18);

  /* --- Motion (brand.md 8.1) --- */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-medium: 300ms ease-out;
  --transition-slow:   500ms ease-out;

  /* --- Layout --- */
  --container:      1200px;
  --container-wide: 1320px;
  --container-text: 720px;
  --nav-h:          68px;
}

[data-theme="dark"] {
  --color-bg-primary:     var(--codrex-grafito);
  --color-bg-secondary:   #23262D;
  --color-bg-tertiary:    #2E3139;
  --color-text-primary:   var(--codrex-perla);
  --color-text-secondary: #A2A9B4;
  --color-text-tertiary:  #6B7280;
  --color-border:         rgba(255, 255, 255, 0.10);
  --color-border-subtle:  rgba(255, 255, 255, 0.05);
  /* En oscuro el acento de texto sube de luminancia para AA sobre grafito/cards */
  --color-accent:         #A99DFF;
  --color-accent-hover:   #BDB3FF;
  --color-accent-solid:   #6A56F0;
  --color-accent-solid-hover: #5A46E0;
  --color-accent-subtle:  rgba(123, 105, 255, 0.16);
  --color-accent-line:    rgba(123, 105, 255, 0.32);
  --color-success:        var(--codrex-menta);
  --color-success-text:   #B7F3E0;
  --color-warning:        var(--codrex-calido);
  --color-warning-text:   #FFD7B8;
  --color-on-accent:      #FFFFFF;

  --color-wash:           #202430;
  --color-wash-strong:    #242942;

  --glass:         rgba(42, 46, 60, 0.55);
  --glass-2:       rgba(42, 46, 60, 0.32);
  --glass-strong:  rgba(46, 50, 66, 0.75);
  --glass-border:  rgba(255, 255, 255, 0.14);
  --glass-shadow:  0 24px 60px rgba(0, 0, 0, 0.45);
  --glass-shadow-lg: 0 40px 90px rgba(0, 0, 0, 0.55);
  --mesh-1: #7B69FF;
  --mesh-2: #3A86FF;
  --mesh-3: #C33C8B;
  --mesh-4: #12B5A0;
  --mesh-alpha: 0.40;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.30);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.40);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.50);
  --shadow-glow: 0 20px 90px rgba(123, 105, 255, 0.28);
}
