/* =============================================================================
   EL REGENTE — Design Tokens
   "La verdad tiene su trono."
   Light (newsprint) is DEFAULT. Dark mode overrides below.
   ============================================================================= */

:root {
  /* ── Brand ─────────────────────────────────────────────────────────────── */
  --er-color-brand:        #E53920;
  --er-color-brand-hover:  #C0281A;
  --er-color-brand-deep:   #9E1F12;
  --er-color-brand-light:  rgba(229, 57, 32, 0.10);
  --er-color-brand-glow:   rgba(229, 57, 32, 0.20);

  /* ── Backgrounds (light / newsprint default) ────────────────────────────── */
  --er-bg-primary:         #FAFAF8;   /* warm off-white — newsprint feel  */
  --er-bg-secondary:       #FFFFFF;   /* cards, sidebar                   */
  --er-bg-elevated:        #F0EFED;   /* hover states, dropdowns          */
  --er-bg-sunken:          #EDEDEB;   /* inset areas                      */
  --er-bg-overlay:         rgba(250, 250, 248, 0.97);
  --er-bg-surface:         #FFFFFF;   /* card surface                     */

  /* ── Header (always dark — brand anchor) ──────────────────────────────── */
  --er-header-bg:          #111111;
  --er-header-text:        #FFFFFF;
  --er-header-border:      rgba(255, 255, 255, 0.08);

  /* ── Text ───────────────────────────────────────────────────────────────── */
  --er-text-primary:       #111111;
  --er-text-secondary:     #444444;
  --er-text-muted:         #666666;
  --er-text-brand:         #E53920;
  --er-text-inverse:       #FFFFFF;   /* text on brand bg         */

  /* ── Borders ────────────────────────────────────────────────────────────── */
  --er-border-color:       #E2E0DC;
  --er-border-strong:      #C8C5C0;
  --er-border-subtle:      rgba(0, 0, 0, 0.06);
  --er-border-brand:       var(--er-color-brand);

  /* ── Typography — Families ──────────────────────────────────────────────── */
  --er-font-headline:      'Space Grotesk', system-ui, -apple-system, sans-serif;
  --er-font-body:          'Source Serif 4', Georgia, 'Times New Roman', serif;
  --er-font-mono:          'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* ── Typography — Scale ─────────────────────────────────────────────────── */
  --er-text-xs:            0.75rem;    /*  12px — labels, captions     */
  --er-text-sm:            0.875rem;   /*  14px — metadata, bylines    */
  --er-text-base:          1rem;       /*  16px — body copy            */
  --er-text-lg:            1.125rem;   /*  18px — lead paragraph       */
  --er-text-xl:            1.25rem;    /*  20px — card titles          */
  --er-text-2xl:           1.5rem;     /*  24px — section headings     */
  --er-text-3xl:           1.875rem;   /*  30px — article titles       */
  --er-text-4xl:           2.25rem;    /*  36px — featured articles    */
  --er-text-5xl:           3rem;       /*  48px — hero                 */
  --er-text-6xl:           3.75rem;    /*  60px — super hero           */

  /* ── Typography — Fluid (clamp) ─────────────────────────────────────────── */
  --er-text-hero-fluid:    clamp(2.25rem, 5vw, 3.75rem);
  --er-text-title-fluid:   clamp(1.5rem, 3vw, 2.25rem);

  /* ── Typography — Weights ───────────────────────────────────────────────── */
  --er-font-normal:        400;
  --er-font-medium:        500;
  --er-font-semibold:      600;
  --er-font-bold:          700;
  --er-font-extrabold:     800;

  /* ── Typography — Line Heights ──────────────────────────────────────────── */
  --er-leading-tight:      1.15;
  --er-leading-snug:       1.3;
  --er-leading-normal:     1.5;
  --er-leading-relaxed:    1.65;
  --er-leading-loose:      1.8;

  /* ── Typography — Letter Spacing ────────────────────────────────────────── */
  --er-tracking-tight:    -0.02em;
  --er-tracking-normal:    0;
  --er-tracking-wide:      0.05em;
  --er-tracking-wider:     0.08em;
  --er-tracking-widest:    0.12em;

  /* ── Spacing Scale ──────────────────────────────────────────────────────── */
  --er-space-1:            0.25rem;   /*  4px  */
  --er-space-2:            0.5rem;    /*  8px  */
  --er-space-3:            0.75rem;   /* 12px  */
  --er-space-4:            1rem;      /* 16px  */
  --er-space-5:            1.25rem;   /* 20px  */
  --er-space-6:            1.5rem;    /* 24px  */
  --er-space-8:            2rem;      /* 32px  */
  --er-space-10:           2.5rem;    /* 40px  */
  --er-space-12:           3rem;      /* 48px  */
  --er-space-16:           4rem;      /* 64px  */
  --er-space-20:           5rem;      /* 80px  */
  --er-space-24:           6rem;      /* 96px  */

  /* ── Border Radius ──────────────────────────────────────────────────────── */
  --er-radius-sm:          4px;
  --er-radius-md:          8px;
  --er-radius-lg:          12px;
  --er-radius-xl:          16px;
  --er-radius-2xl:         24px;
  --er-radius-pill:        9999px;

  /* ── Shadows ────────────────────────────────────────────────────────────── */
  --er-shadow-sm:          0 1px 3px rgba(0, 0, 0, 0.4);
  --er-shadow-md:          0 4px 12px rgba(0, 0, 0, 0.5);
  --er-shadow-lg:          0 8px 24px rgba(0, 0, 0, 0.6);
  --er-shadow-xl:          0 16px 48px rgba(0, 0, 0, 0.7);
  --er-shadow-brand:       0 4px 20px rgba(229, 57, 32, 0.3);
  --er-shadow-brand-lg:    0 8px 32px rgba(229, 57, 32, 0.4);

  /* ── Transitions ────────────────────────────────────────────────────────── */
  --er-transition-fast:    150ms ease;
  --er-transition-base:    200ms ease;
  --er-transition-slow:    350ms ease;
  --er-transition-theme:   400ms ease; /* used for dark/light switch */

  /* ── Z-Index Scale ──────────────────────────────────────────────────────── */
  --er-z-base:             0;
  --er-z-raised:           10;
  --er-z-sticky:           100;
  --er-z-podcast-player:   150;
  --er-z-header:           200;
  --er-z-ticker:           201;
  --er-z-dropdown:         300;
  --er-z-modal:            400;
  --er-z-paywall:          500;
  --er-z-toast:            600;

  /* ── Layout ─────────────────────────────────────────────────────────────── */
  --er-container-max:      1280px;
  --er-container-wide:     1440px;
  --er-container-narrow:   768px;
  --er-article-max:        720px;
  --er-sidebar-width:      320px;
  --er-header-height:      76px;
  --er-ticker-height:      40px;
  --er-player-height:      72px;

  /* ── Grid ───────────────────────────────────────────────────────────────── */
  --er-grid-cols:          12;
  --er-grid-gap:           var(--er-space-6);
  --er-grid-gap-sm:        var(--er-space-4);

  /* ── Breakpoints (reference only — use in @media) ───────────────────────── */
  /* xs: 320px | sm: 640px | md: 768px | lg: 1024px | xl: 1280px | 2xl: 1440px */
}

/* ── Dark Mode Overrides ─────────────────────────────────────────────────── */
/* Applied when user explicitly picks dark OR system prefers dark              */

:root[data-theme="dark"],
:root:not([data-theme="light"]):not([data-theme="dark"]) {
  /* These are overridden by the media query below for system dark */
}

/* Explicit dark wins always */
[data-theme="dark"] {
  --er-bg-primary:         #1A1A1A;
  --er-bg-secondary:       #212121;
  --er-bg-elevated:        #2A2A2A;
  --er-bg-sunken:          #141414;
  --er-bg-overlay:         rgba(26, 26, 26, 0.95);
  --er-bg-surface:         #1E1E1E;

  --er-text-primary:       #FFFFFF;
  --er-text-secondary:     #CCCCCC;
  --er-text-muted:         #9A9A9A;
  --er-text-inverse:       #1A1A1A;

  --er-border-color:       #2A2A2A;
  --er-border-strong:      #3A3A3A;
  --er-border-subtle:      rgba(255, 255, 255, 0.06);

  --er-shadow-sm:          0 1px 3px rgba(0, 0, 0, 0.4);
  --er-shadow-md:          0 4px 12px rgba(0, 0, 0, 0.5);
  --er-shadow-lg:          0 8px 24px rgba(0, 0, 0, 0.6);
  --er-shadow-xl:          0 16px 48px rgba(0, 0, 0, 0.7);
}

/* System dark preference (only when no explicit [data-theme] is set) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --er-bg-primary:       #1A1A1A;
    --er-bg-secondary:     #212121;
    --er-bg-elevated:      #2A2A2A;
    --er-bg-sunken:        #141414;
    --er-bg-overlay:       rgba(26, 26, 26, 0.95);
    --er-bg-surface:       #1E1E1E;

    --er-text-primary:     #FFFFFF;
    --er-text-secondary:   #CCCCCC;
    --er-text-muted:       #9A9A9A;
    --er-text-inverse:     #1A1A1A;

    --er-border-color:     #2A2A2A;
    --er-border-strong:    #3A3A3A;
    --er-border-subtle:    rgba(255, 255, 255, 0.06);

    --er-shadow-sm:        0 1px 3px rgba(0, 0, 0, 0.4);
    --er-shadow-md:        0 4px 12px rgba(0, 0, 0, 0.5);
    --er-shadow-lg:        0 8px 24px rgba(0, 0, 0, 0.6);
    --er-shadow-xl:        0 16px 48px rgba(0, 0, 0, 0.7);
  }
}

/* ── NEW TARGET — tokens de portal, papel y motion ─────────────────────── */
:root {
  /* Marca funcional (accesible) — no sustituye a --er-color-brand */
  --er-color-brand-action:   #D23219;   /* CTA fill, blanco encima = 4.99:1 */
  --er-color-brand-on-dark:  #F4553A;   /* texto pequeño sobre #111 = 5.58:1 */
  --er-color-brand-on-paper: #C0281A;   /* texto pequeño sobre papel = 5.15:1 */

  /* Escenario oscuro (invariante de tema, ancla de marca como el header) */
  --er-stage-bg:          #111111;
  --er-stage-bg-raised:   #1A1A1A;
  --er-stage-bg-deep:     #0B0B0B;
  --er-stage-line:        rgba(255,255,255,0.10);
  --er-stage-line-strong: rgba(255,255,255,0.42);
  --er-stage-text:        #FFFFFF;
  --er-stage-text-soft:   rgba(255,255,255,0.72);
  --er-stage-text-dim:    rgba(255,255,255,0.55);

  /* Papel y tinta (invariantes de tema) */
  --er-paper:        #F4EFE6;
  --er-paper-shade:  #E9E2D3;
  --er-paper-edge:   #D9D0BC;
  --er-ink:          #1B1A17;
  --er-ink-soft:     #3B3832;
  --er-ink-muted:    #6B665C;

  /* Superficie */
  --er-shadow-paper:      0 1px 1px rgba(0,0,0,.18), 0 6px 12px -4px rgba(0,0,0,.28), 0 24px 40px -16px rgba(0,0,0,.45);
  --er-shadow-paper-lift: 0 2px 2px rgba(0,0,0,.20), 0 14px 24px -8px rgba(0,0,0,.35), 0 40px 64px -20px rgba(0,0,0,.55);
  --er-glow-brand:        radial-gradient(60% 70% at 88% 18%, rgba(229,57,32,.16), transparent 70%);
  --er-grain:             url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --er-radius-sheet:      6px;
  --er-radius-cover:      3px;
  --er-print-ratio:       18 / 25;
  --er-focus-ring-dark:   0 0 0 2px #111111, 0 0 0 4px #FFFFFF;

  /* Tipografía display */
  --er-text-manifesto:    clamp(1.75rem, 1.1rem + 2.4vw, 2.75rem);
  --er-text-deck:         clamp(1.125rem, 1rem + 0.7vw, 1.5rem);
  --er-text-display-sm:   clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  --er-text-eyebrow:      0.75rem;
  --er-leading-display:   1.04;
  --er-tracking-display:  -0.035em;
  --er-tracking-eyebrow:  0.16em;
  --er-measure-display:   20ch;
  --er-measure-deck:      40ch;
  --er-font-symbol:       var(--er-font-headline), 'Apple Symbols', 'Segoe UI Symbol', 'DejaVu Sans', sans-serif;

  /* Espaciado / tamaños */
  --er-space-portal:      clamp(1.25rem, 0.75rem + 2vw, 2rem);
  --er-control-h:         3.5rem;
  --er-tap:               2.75rem;
  --er-portal-h:          320px;   /* R5 desktop */
  --er-portal-h-sm:       420px;   /* R5 móvil */

  /* Motion */
  --er-ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --er-ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
  --er-ease-in:      cubic-bezier(0.4, 0, 1, 1);
  --er-ease-page:    cubic-bezier(0.45, 0.05, 0.25, 1);
  --er-dur-1:        100ms;
  --er-dur-2:        160ms;
  --er-dur-3:        240ms;
  --er-dur-4:        400ms;
  --er-dur-5:        640ms;
  --er-dur-page:     720ms;
  --er-stagger:      70ms;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --er-dur-1: 1ms; --er-dur-2: 1ms; --er-dur-3: 1ms;
    --er-dur-4: 1ms; --er-dur-5: 1ms; --er-dur-page: 1ms;
    --er-stagger: 0ms;
  }
}