:root{
/* --- Base : neige froide, atelier en plein jour --- */
--surface-0:#F7F9FA;
--surface-1:#FFFFFF;
--surface-2:#EDF1F2;
--surface-3:#E0E6E8;
--surface-4:#CFD8DA;
--line-1:rgba(31,58,63,0.12);
--line-2:rgba(31,58,63,0.2);
--line-strong:rgba(31,58,63,0.34);

/* --- Encre : bandes profondes, alternance avec la neige --- */
--ink-900:#0F1F22;
--ink-800:#1F3A3F;
--ink-700:#2A4B51;
--ink-600:#3A6068;
--ink-400:#5E858B;
--ink-300:#93B3B6;
--surface-ink:var(--ink-800);
--line-on-ink:rgba(247,249,250,0.16);
--line-on-ink-strong:rgba(247,249,250,0.3);

/* --- Brun foncé : la matière, en contrepoint de l'encre --- */
--brown-900:#1E0E06;
--brown-800:#33180B;
--brown-700:#4A2210;
--brown-600:#6B2D12;

/* --- Texte --- */
--text-primary:#12262A;
--text-secondary:#4C6B70;
--text-tertiary:#587177;
--text-disabled:#A6BBBF;
--text-on-accent:#FBFCFC;
--text-on-ink:#F4F8F8;
--text-on-ink-soft:rgba(244,248,248,0.7);

/* --- Cuivre / or, prélevés sur l'emblème Waynholl --- */
--copper-800:#4A2210;
--copper-700:#6B2D12;
--copper-600:#8C3D16;
--copper-500:#A64C1D;
--copper-400:#B4552A;
--copper-300:#DE9C57;
--gold-500:#9A7220;
--gold-400:#C4922E;
--gold-300:#EFC873;

--accent:var(--copper-500);
--accent-strong:var(--copper-600);
--accent-soft:#F6E7DA;
--accent-glint:var(--copper-300);

/* --- Dégradés : dynamiser sans jamais salir --- */
--grad-ink:linear-gradient(168deg,#24444A 0%,#1F3A3F 46%,#122529 100%); /* @kind other */
--grad-ink-radial:radial-gradient(120% 130% at 12% 0%,#2A4B51 0%,#1F3A3F 48%,#0F1F22 100%); /* @kind other */
--grad-earth:linear-gradient(112deg,#33180B 0%,#4A2210 38%,#1F3A3F 100%); /* @kind other */
--grad-snow:linear-gradient(180deg,#FFFFFF 0%,#F7F9FA 58%,#EDF1F2 100%); /* @kind other */
--grad-hairline:linear-gradient(90deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent); /* @kind other */

/* --- Verre : uniquement sur la nav et les éléments flottants --- */
--glass-light:rgba(247,249,250,0.13);
--glass-light-line:rgba(247,249,250,0.26);
--glass-snow:rgba(247,249,250,0.78);
--glass-ink:rgba(18,38,42,0.6);
--glass-ink-line:rgba(31,58,63,0.14);
--glass-blur:blur(24px) saturate(1.6); /* @kind other */

/* --- Sémantique --- */
--success:#2F6144;
--warning:var(--gold-500);
--danger:#A63A26;
--focus-ring:var(--copper-500);

/* --- Papeterie (impression, exports) --- */
--paper:#F7F9FA;
--paper-ink:#12262A;
}