/* ---------- pracovní prostor: jedno okno / dvě části se záložkami ---------- */
.views.col { flex-direction: column; }
.pane { position: relative; display: flex; flex-direction: column; flex: 1 1 0; min-width: 0; min-height: 0; }
.pane[hidden], .view[hidden], .wsplit[hidden], .phead .pmax[hidden] { display: none; }
.ptabs { position: relative; }
.phead {
  flex: none; display: flex; align-items: center; gap: var(--ardit-space-2); height: 36px; padding: 0 var(--ardit-space-2);
  background: var(--ardit-bg2); border-bottom: 1px solid var(--ardit-line); min-width: 0;
}
.pane.on .phead { box-shadow: inset 0 2px 0 var(--ardit-action); }
.ptabs { display: flex; gap: 2px; min-width: 0; flex: 1 1 auto; overflow-x: auto; scrollbar-width: none; }
.ptabs::-webkit-scrollbar { display: none; }
.ptabs.fr { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent); }
.ptabs.fl { -webkit-mask-image: linear-gradient(to right, transparent, #000 28px); mask-image: linear-gradient(to right, transparent, #000 28px); }
.ptabs.fl.fr { -webkit-mask-image: linear-gradient(to right, transparent, #000 28px, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(to right, transparent, #000 28px, #000 calc(100% - 28px), transparent); }
.ptabs button {
  flex: none; display: inline-flex; align-items: center; gap: var(--ardit-space-1); height: 26px; padding: 0 var(--ardit-space-2);
  border: 1px solid transparent; border-radius: var(--ardit-radius-sm); background: transparent; color: var(--ardit-fg2);
  font: 500 12px/1 var(--ardit-font-sans); white-space: nowrap; cursor: pointer;
}
.ptabs button svg { width: 16px; height: 16px; flex: none; }
.ptabs button:hover { background: var(--ardit-bg3); color: var(--ardit-fg1); }
.ptabs button.on { background: var(--ardit-bg1); border-color: var(--ardit-line); color: var(--ardit-ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--ardit-action); }
.ptabs button:focus-visible, .pmax:focus-visible, .wsplit:focus-visible { outline: 2px solid var(--ardit-action); outline-offset: -2px; }
.phead .pmax { flex: none; width: 28px; height: 28px; background: transparent; border-color: transparent; color: var(--ardit-fg2); }
.phead .pmax:hover { background: var(--ardit-bg3); color: var(--ardit-fg1); }
/* měřítko výkresu v záhlaví 2D části */
.phead .pscale { flex: none; height: 26px; padding: 0 var(--ardit-space-1); border: 1px solid var(--ardit-line); border-radius: var(--ardit-radius-sm); background: var(--ardit-bg1); color: var(--ardit-fg1); font: 500 12px/1 var(--ardit-font-mono); font-variant-numeric: tabular-nums; cursor: pointer; }
.phead .pscale[hidden] { display: none; }
.phead .pscale:focus-visible { outline: 2px solid var(--ardit-action); outline-offset: -2px; }
.pbody { position: relative; flex: 1 1 auto; min-width: 0; min-height: 0; }
.pbody > .view { position: absolute; inset: 0; }
.wsplit { flex: none; width: 6px; margin: 0 -1px; cursor: col-resize; background: var(--ardit-line); position: relative; z-index: 7; touch-action: none; }
.views.col .wsplit { width: auto; height: 6px; margin: -1px 0; cursor: row-resize; }
.wsplit:hover, .wsplit.drag { background: var(--ardit-action); }
.status .seg .btn.icon { width: 30px; padding: 0; }
.status .seg .btn.icon svg { width: 16px; height: 16px; }
@media (max-width: 759px) { #wsMode { display: none; } }
/* záložky jen otevřených výkresů s křížkem (Martin 2026-10-24); měřítko je ve spodní liště */
.ptabs .ptx { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; margin: 0 -4px 0 2px; border-radius: var(--ardit-radius-sm); color: var(--ardit-fg3); font-size: 14px; line-height: 1; font-weight: 400; }
.ptabs .ptx:hover { background: var(--ardit-bg3); color: var(--ardit-danger); }
@media (pointer: coarse) { .ptabs .ptx { width: 22px; height: 22px; font-size: 16px; } }