/* ODDDT ODT-SYS001-R6 — MATERIALS / SIGNAL / TONE / DEPTH / SEMANTIC (verbatim) */
:root{
  /* ---- CORE MATERIALS ---- */
  --od-ink:#000000;          /* type/marks/monument fills on light */
  --od-plate:#FFFFFF;        /* knockout type / fills on dark */
  --od-plate-raw:#F4F2EF;    /* warm print paper */
  --od-void:#161719;         /* CARBON — dark surface */
  --od-steel:#545B63;        /* TUNGSTEN — borders, ghost numerals, inactive */
  --od-tungsten:var(--od-steel);
  --od-gunmetal:#42464D;     /* GUNMETAL — ratified 2026-07-23 (3B): idle borders, cut hairlines (was hardcoded) */
  --od-paper:#F3F1EE;        /* primary readable text on dark */
  --od-black:#040506;        /* ABYSS — full-bleed canvas */
  --od-panel:#0F0F10;        /* raised panel */
  --od-panel-2:#08080A;      /* card / tile fill */
  --od-panel-3:#0A0A0C;      /* inset / media well */
  --od-glass:rgba(10,10,12,.62);
  /* ---- SIGNAL (FLARE) — quarantined <=7%, semantic only, never words ---- */
  --od-flare:#FE6074;        /* KINETIC — dark-mode signal */
  --od-flare-deep:#D1314F;   /* light-mode signal (4.9:1 on PLATE) */
  /* ---- TONE STEPS (opacity tiers — the only legal tints) ---- */
  --od-plate-70:rgba(255,255,255,.84);  /* secondary/body text on VOID — 2M* AAA BODY LAW (2026-08-10): human-read text ≥7:1; was .70 */
  --od-plate-40:rgba(255,255,255,.56);  /* de-emphasized text on VOID (AA) — NOT for body/paragraph content (2M*) */
  --od-plate-14:rgba(255,255,255,.14);  /* hairlines on VOID */
  --od-plate-06:rgba(255,255,255,.06);  /* ghost fills on VOID */
  --od-ink-70:rgba(0,0,0,.70);
  --od-ink-40:rgba(0,0,0,.62);
  --od-ink-16:rgba(0,0,0,.16);
  --od-ink-06:rgba(0,0,0,.06);
  /* ---- DEPTH gradients (surfaces/fills only, never type) ---- */
  --od-depth-sheet:linear-gradient(180deg,#0B0B0E 0%,#050506 100%); /* @kind color */
  --od-depth-panel:linear-gradient(180deg,#131316 0%,#0C0C0E 100%); /* @kind color */
  --od-depth-flare:linear-gradient(170deg,#FF7186 0%,#F84E68 100%); /* @kind color */
  --od-card-gradient:linear-gradient(160deg,#202226,#16171A,#0F1013); /* @kind color */
  /* ---- FOIL ornament (rationed: max ONE per screen) ---- */
  --od-foil:linear-gradient(115deg,#FF6F86,#FFCEA8,#FFFFFF,#9BE9D2,#7FA6FF,#FF6F86); /* @kind color */
  /* ---- SEMANTIC ALIASES (dark surface default) ---- */
  --od-bg:var(--od-void);
  --od-text:var(--od-plate);
  --od-accent:var(--od-flare);
  --od-on-accent:var(--od-ink);
  --od-line:var(--od-plate-14);
  --od-line-strong:var(--od-steel);
  --od-card-rim:rgba(84,91,99,.55);   /* R3A tungsten rim, top+left */
}