/* ============================================================
   TDR — COLOR TOKENS
   Base palette sampled directly from the definitive brand logo
   (assets/logo/tdr-logo-full.png): verde campo, verde bosque,
   ocre y tinta negra. Plus derived states and semantic aliases.
   ============================================================ */

:root {
  /* ---- Base palette (source of truth — sampled from the logo) ---- */
  --tdr-campo:  #74973D;  /* verde campo — sol y lomas del isotipo; color primario */
  --tdr-bosque: #006035;  /* verde bosque — "CONGRESO DE TURISMO SOSTENIBLE" */
  --tdr-tierra: #784A0D;  /* ocre tierra — "DE CASTILLA LA MANCHA" */
  --tdr-tinta:  #14120F;  /* negro cálido del logotipo "Turismo de Raíces" */
  --tdr-papel:  #F7F5F0;  /* blanco cálido de fondo */

  /* ---- Neutrals (warm, paper-based ramp) ---- */
  --tdr-blanco:      #FFFFFF;
  --tdr-papel-2:     #EFECE4;  /* recessed paper */
  --tdr-linea:       #E3DFD5;  /* hairline on paper */
  --tdr-linea-2:     #CDC7B9;  /* stronger divider */
  --tdr-tinta-suave: #55504A;  /* secondary text */
  --tdr-tinta-tenue: #8A857C;  /* muted / placeholder */

  /* ---- Verde campo ramp (accent states) ---- */
  --tdr-campo-fuerte:  #648334;  /* hover */
  --tdr-campo-presion: #55702B;  /* active */
  --tdr-campo-tinte:   #F0F4E7;  /* soft fill / selected bg */
  --tdr-campo-tinte-2: #D8E2C8;  /* stronger soft fill (sampled from the logo) */
  --tdr-campo-oscuro:  #46601F;  /* green text on tint (AA on --tdr-campo-tinte) */

  /* ---- Verde claro (light green for dark surfaces) ---- */
  --tdr-verde-claro:        #A8C173;
  --tdr-verde-claro-fuerte: #93AE5C;
  --tdr-verde-claro-tinte:  #EDF2E1;

  /* ---- Ocre / tierra ramp ---- */
  --tdr-tierra-fuerte: #5E3A08;
  --tdr-tierra-claro:  #D9BE86;  /* ocre sobre fondo oscuro */
  --tdr-tierra-tinte:  #F4ECDE;
  --tdr-tierra-linea:  #E3D3B5;

  /* ---- Forest / dark surface ramp ---- */
  --tdr-bosque-2:    #0A7A47;  /* raised dark green surface */
  --tdr-bosque-hondo:#004526;  /* deepest green, footers */
  --tdr-bosque-linea:#257752;  /* hairline on dark green (sampled) */

  /* ---- Semantic status (derived to fit the palette) ---- */
  --tdr-exito:        #2E7D32;
  --tdr-exito-tinte:  #E2F1E3;
  --tdr-aviso:        #B07A0C;
  --tdr-aviso-tinte:  #F7EEDC;
  --tdr-error:        #A93B29;
  --tdr-error-tinte:  #F6E3DF;
  --tdr-info:         var(--tdr-bosque);
  --tdr-info-tinte:   var(--tdr-campo-tinte);

  /* ============================================================
     SEMANTIC ALIASES — reference these in components
     ============================================================ */

  /* Surfaces */
  --color-bg:             var(--tdr-papel);
  --color-surface:        var(--tdr-blanco);
  --color-surface-sunk:   var(--tdr-papel-2);
  --color-surface-warm:   var(--tdr-tierra-tinte);
  --color-surface-dark:   var(--tdr-bosque);
  --color-surface-dark-2: var(--tdr-bosque-2);
  --color-surface-deep:   var(--tdr-bosque-hondo);

  /* Text */
  --text-strong:       var(--tdr-tinta);
  --text-body:         var(--tdr-tinta-suave);
  --text-muted:        var(--tdr-tinta-tenue);
  --text-accent:       var(--tdr-bosque);
  --text-earth:        var(--tdr-tierra);
  --text-on-accent:    var(--tdr-tinta);      /* on verde campo — AA 5.5:1 */
  --text-on-dark:      var(--tdr-papel);
  --text-on-dark-soft: #A9C6B4;

  /* Lines & borders */
  --border:        var(--tdr-linea);
  --border-strong: var(--tdr-linea-2);
  --border-dark:   var(--tdr-bosque-linea);

  /* Interactive */
  --color-accent:        var(--tdr-campo);
  --color-accent-hover:  var(--tdr-campo-fuerte);
  --color-accent-active: var(--tdr-campo-presion);
  --color-accent-tint:   var(--tdr-campo-tinte);
  --color-pop:           var(--tdr-verde-claro);
  --focus-ring:          var(--tdr-bosque);
}