/* =========================================================================
   Nidoo — Design Tokens
   Colors, typography, spacing, radii, shadows, motion.
   Cargar una vez en la raíz de cualquier superficie Nidoo.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Figtree:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Caveat:wght@400;500;600;700&display=swap");

:root {
  /* ---------- Color — paleta base --------------------------------------- */

  /* Neutrales cálidos (sistema "papel") */
  --linen:        #F7F2EA;
  --paper:        #FDFAF5;
  --paper-warm:   #F2EADD;
  --hairline:     #E6DED1;
  --hairline-strong: #D8CCB9;

  /* Tinta */
  --ink:          #2A201A;
  --ink-soft:     #3E2F25;
  --muted-ink:    #6B5D52;
  --faint-ink:    #9B8E80;

  /* Primario — Ember (terracota cálido) */
  --ember:        #C85A3C;
  --ember-hover:  #B14E32;
  --ember-press:  #9A4228;
  --ember-soft:   #F2D9CF;
  --ember-ink:    #6B2A17;

  /* Accentos — usar con moderación */
  --dusk:         #8A7B9C;  /* contenido generado por IA */
  --dusk-soft:    #E6DFEC;
  --moss:         #7A8F6A;  /* confirmado / guardado */
  --moss-soft:    #DCE4D2;
  --amber:        #E8A84C;  /* recuerdos resurgidos */
  --amber-soft:   #F7E6C5;

  /* Modo oscuro — Hearth Night (automático después de las 9pm) */
  --hearth-night:     #1A1512;
  --hearth-surface:   #241E1A;
  --hearth-ink:       #EFE4D6;
  --hearth-muted:     #A69684;
  --hearth-hairline:  #3A3029;

  /* ---------- Color semántico ------------------------------------------ */
  --bg:            var(--linen);
  --bg-elevated:   var(--paper);
  --bg-pressed:    var(--paper-warm);

  --fg:            var(--ink);
  --fg-muted:      var(--muted-ink);
  --fg-faint:      var(--faint-ink);
  --fg-on-ember:   #FDFAF5;

  --border:        var(--hairline);
  --border-strong: var(--hairline-strong);
  --focus-ring:    var(--ember);

  --accent:        var(--ember);
  --accent-hover:  var(--ember-hover);
  --accent-press:  var(--ember-press);
  --accent-soft:   var(--ember-soft);

  --ai-accent:     var(--dusk);
  --ai-soft:       var(--dusk-soft);
  --success:       var(--moss);
  --success-soft:  var(--moss-soft);
  --highlight:     var(--amber);
  --highlight-soft: var(--amber-soft);

  /* ---------- Tipografía ----------------------------------------------- */
  --font-display: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;
  --font-text:    "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-hand:    "Caveat", "Shadows Into Light", cursive;

  /* Tamaños */
  --text-eyebrow:    11px;
  --text-label:      13px;
  --text-xs:         12px;
  --text-sm:         14px;
  --text-base:       16px;
  --text-lg:         18px;
  --text-xl:         22px;
  --text-2xl:        26px;
  --text-3xl:        32px;
  --text-display-sm: 40px;
  --text-display-md: 56px;
  --text-display-lg: 72px;
  --text-display-xl: 96px;

  /* Interlineado */
  --lh-display: 1.05;
  --lh-heading: 1.15;
  --lh-body:    1.55;
  --lh-tight:   1.3;

  /* Tracking */
  --tracking-eyebrow: 0.08em;
  --tracking-display: -0.02em;
  --tracking-body:     0;

  /* ---------- Espaciado — base 4px ------------------------------------ */
  --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-14: 56px;
  --space-18: 72px;
  --space-24: 96px;
  --space-32: 128px;

  /* Anchos de lectura */
  --read-body:     640px;
  --read-timeline: 880px;
  --read-hero:    1160px;

  /* ---------- Radios --------------------------------------------------- */
  --r-0:   0px;
  --r-sm:  4px;
  --r-md:  8px;
  --r-lg: 12px;
  --r-xl: 20px;
  --r-full: 9999px;

  /* ---------- Sombras (mínimas; se prefieren hairlines) -------------- */
  --shadow-sm: 0 1px 2px rgba(42, 32, 26, 0.04);
  --shadow-md: 0 4px 16px rgba(42, 32, 26, 0.06);
  --shadow-lg: 0 24px 48px rgba(42, 32, 26, 0.10);
  --shadow-inset-press: inset 0 1px 2px rgba(0, 0, 0, 0.08);

  /* ---------- Movimiento ---------------------------------------------- */
  --dur-quick:     140ms;
  --dur-base:      280ms;
  --dur-slow:      500ms;
  --dur-emotional: 700ms;

  --ease-standard:  cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-emotional: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-exit:      cubic-bezier(0.4, 0.0, 1, 1);
}

/* ---------- Modo oscuro / hearth-night --------------------------------- */
@media (prefers-color-scheme: dark) {
  :root.auto-dark,
  :root[data-theme="night"] {
    --bg: var(--hearth-night);
    --bg-elevated: var(--hearth-surface);
    --bg-pressed: #2E2520;
    --fg: var(--hearth-ink);
    --fg-muted: var(--hearth-muted);
    --fg-faint: #7A6A5A;
    --border: var(--hearth-hairline);
    --border-strong: #4A3F35;
    --shadow-sm: none;
    --shadow-md: 0 0 0 1px rgba(255,230,200,0.06);
    --shadow-lg: 0 24px 48px rgba(0,0,0,0.4);
  }
}

/* =========================================================================
   Clases semánticas — tipografía on-brand sin repetir tokens.
   ========================================================================= */

.lumbre-root {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-text);
  font-size: var(--text-base);
  line-height: var(--lh-body);
  letter-spacing: var(--tracking-body);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

.lumbre-display-xl,
.lumbre-display-lg,
.lumbre-display-md,
.lumbre-display-sm {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
  color: var(--fg);
  text-wrap: pretty;
}
.lumbre-display-xl { font-size: var(--text-display-xl); }
.lumbre-display-lg { font-size: var(--text-display-lg); }
.lumbre-display-md { font-size: var(--text-display-md); }
.lumbre-display-sm { font-size: var(--text-display-sm); }

.lumbre-h1, .lumbre-h2, .lumbre-h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-display);
  color: var(--fg);
  text-wrap: pretty;
}
.lumbre-h1 { font-size: var(--text-3xl); }
.lumbre-h2 { font-size: var(--text-2xl); }
.lumbre-h3 { font-size: var(--text-xl); }

.lumbre-body-lg { font-size: var(--text-lg); line-height: var(--lh-body); }
.lumbre-body    { font-size: var(--text-base); line-height: var(--lh-body); }
.lumbre-body-sm { font-size: var(--text-sm); line-height: var(--lh-body); color: var(--fg-muted); }

.lumbre-label {
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--fg-muted);
}
.lumbre-eyebrow {
  font-size: var(--text-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.lumbre-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--fg-muted);
}

.lumbre-ai {
  color: var(--ai-accent);
  font-family: var(--font-text);
  font-style: italic;
}