:root{
  --ink:#141b2d; --ink-700:#1d2740; --ink-600:#283455; --ink-500:#33406a;
  --brass:#b18a4e; --brass-200:#d8c39a;
  --paper:#f4f2ec; --surface:#ffffff; --surface-2:#faf9f6;
  --line:#e3e0d7; --line-2:#edebe3;
  --text:#1a1f2b; --muted:#646b7a; --muted-2:#9aa0ac;
  --danger:#a32118; --danger-bg:#fbe9e7;
  --ok:#1d6b45; --ok-bg:#e8f3ec;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 2px rgba(20,27,45,.05),0 10px 28px -14px rgba(20,27,45,.20);
  --font-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --font-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ================= Theme Manager (paletas) =================
   clasico = valores por defecto de :root. El resto sobreescribe
   las familias de color principales (tinta + acento + fondos). */
[data-theme="borgona"]{
  --ink:#2c1018; --ink-700:#3d1722; --ink-600:#5a2230; --ink-500:#743042;
  --brass:#b08438; --brass-200:#ddc48a;
  --paper:#f5f1ec; --surface-2:#faf7f4; --line:#e6ded6; --line-2:#efe8e1;
}
[data-theme="bosque"]{
  --ink:#14271d; --ink-700:#1c3528; --ink-600:#2a4a39; --ink-500:#3a5e49;
  --brass:#9c7d3e; --brass-200:#cdb784;
  --paper:#f1f3ee; --surface-2:#f8faf5; --line:#dde3d9; --line-2:#e7ece2;
}
[data-theme="pizarra"]{
  --ink:#1f2933; --ink-700:#2b3947; --ink-600:#3a4c5e; --ink-500:#4d6173;
  --brass:#3f6f9e; --brass-200:#a8c3da;
  --paper:#eef1f4; --surface-2:#f7f9fb; --line:#dde2e8; --line-2:#e8ecf1;
}
[data-theme="grafito"]{
  --ink:#1b1c1f; --ink-700:#26272b; --ink-600:#34363c; --ink-500:#474a52;
  --brass:#a8893f; --brass-200:#d3c08a;
  --paper:#f2f2f0; --surface-2:#fafafa; --line:#e4e3df; --line-2:#ecebe7;
}
[data-theme="marina"]{
  --ink:#0f2a33; --ink-700:#163b46; --ink-600:#21525f; --ink-500:#2f6675;
  --brass:#c07a3f; --brass-200:#e3b78f;
  --paper:#eef2f2; --surface-2:#f6faf9; --line:#dce5e4; --line-2:#e6eeed;
}