/* ===== Vox Aetern'Art — FLOOR (behind lavender, zero-shift, safe) =====
   Paints a black strip BEHIND the lavender frame, without changing any existing layout.
   IMPORTANT: We DO NOT touch .frame-wrap.lavender nor .frame-container rules.
   We only add a ::before on .frame-container, absolutely positioned.
*/

.frame-container::before{
  content:"";
  position:absolute;          /* no effect on layout */
  left:50%;
  transform:translateX(-50%);
  width: calc(min(104vw, 1560px) + 4px);    /* same width/centering as screen & lavender */

  top: var(--floor-top, 528px);
  height: var(--floor-height, 254px);

  pointer-events:none;
  z-index: 2;                 /* below lavender (z=1) and screen (z=2) */



background: linear-gradient(
  to bottom,
  rgba(0,0,0,0) 0%,
  rgba(0,0,0,0.82) 3%,
  rgba(0,0,0,0.82) 100%
);

mix-blend-mode: soft-light;

 /* Arrondir uniquement les coins inférieurs */
  border-bottom-left-radius: 9px;
  border-bottom-right-radius: 9px;
  overflow: hidden; /* pour que le dégradé respecte l'arrondi */

}