/* Bi'DTF 57 cm – v6 tall continuous film workspace (Nirvoda-inspired layout).
   This file ONLY modifies the editor appearance. Billing, export, and coordinates remain in cm. */
.bt-dtf-workspace-page .btdtf-center {
  min-width: 0;
  min-height: 0;
}
.bt-dtf-workspace-page .btdtf-workarea {
  flex: 1 1 auto;
  min-height: 0 !important;
  height: auto !important;
  overflow: auto;
  overscroll-behavior: contain;
  padding: 8px 12px 28px !important;
  scrollbar-gutter: stable;
  /* No dynamic centering. Origin begins at the film's top-left. */
  scroll-padding-top: 28px;
}
.bt-dtf-workspace-page .btdtf-ruler-stage {
  margin: 0 auto !important;
  min-height: 0;
  align-self: start;
  justify-self: center;
  grid-template-rows: 27px max-content;
}
.bt-dtf-workspace-page .btdtf-top-ruler,
.bt-dtf-workspace-page .btdtf-ruler-corner {
  position: sticky !important;
  top: 0;
  z-index: 16;
}
.bt-dtf-workspace-page .btdtf-top-ruler {
  z-index: 15;
}
.bt-dtf-workspace-page .btdtf-left-ruler {
  position: sticky !important;
  left: 0;
  z-index: 10;
}
.bt-dtf-workspace-page .btdtf-film {
  margin: 0 !important;
  max-width: none !important;
  transition: height .12s ease-out;
}
/* Keep the brand in the first visible stretch, not at the physical middle of a 90+cm film. */
.bt-dtf-workspace-page .btdtf-film-empty {
  justify-content: flex-start !important;
  padding-top: clamp(46px,11vh,112px) !important;
  gap: 9px;
}
.bt-dtf-workspace-page .btdtf-film-empty-art {
  width: 70px;
  height: 70px;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  display: grid;
  place-items: center;
}
.bt-dtf-workspace-page .btdtf-tall-film-brandmark {
  width: 66px;
  height: 66px;
  display: block;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}
@media(max-width:1040px) {
  .bt-dtf-workspace-page .btdtf-workarea {padding: 7px 6px 22px !important;}
  .bt-dtf-workspace-page .btdtf-ruler-stage {margin:0 auto !important;}
}
@media(max-width:580px) {
  .bt-dtf-workspace-page .btdtf-workarea {padding: 5px 3px 18px !important;}
  .bt-dtf-workspace-page .btdtf-film-empty {padding-top: 55px !important;}
}
@media(prefers-reduced-motion:reduce) {
  .bt-dtf-workspace-page .btdtf-film {transition:none;}
}