/* _espiral/sodisco.css — série X, só o disco (2026-09-21). Por cima do v3.css.
   ⚠️ Texto apagado com a COR (fill), nunca com opacity: opacity por elemento é uma camada por frame. */
.sd-t{font-family:var(--mono);fill:var(--ink);transition:fill .45s ease}
.sd-t.serif{font-family:var(--serif);font-style:italic}
.sd-t .k,.sd-t.k{fill:var(--accent);transition:fill .45s ease}
.sd-t.soft{fill:rgba(226,234,227,.6)}
.sd-t.dim{fill:rgba(226,234,227,.27)}
.sd-t.dim .k{fill:rgba(4,186,206,.3)}
.sd-t .dim{fill:rgba(226,234,227,.3)}
.sd-t .dim.k{fill:rgba(4,186,206,.35)}
.sd-t .now{fill:var(--accent)}
.sd-sep{fill:none;stroke:rgba(255,255,255,.055);stroke-width:2.6}
.sd-hair{fill:none;stroke:rgba(255,255,255,.1);stroke-width:1;vector-effect:non-scaling-stroke}
.sd-index{fill:var(--accent)}