/* =====================================================================
   lab - werkzeuge/diagramm/app.css
   LabDiagram: Menueleiste oben (Vorbild LabVectorDraw/labImageEdi-
   beitung), schmale Format-Leiste, Formen-Palette links, Blatt mit
   Raster, Statuszeile mit Zoom, Popups, Dialoge, Druckansicht.

   Konventionen (AGENTS.md §5): Prefix .lab_dg_, Farben nur als
   Variablen aus css/colors.css. Ausnahmen wie ueberall: die
   Druckregel (weisses Papier) und der Schleier hinter Dialogen.
   ===================================================================== */

/* ---------- Meldungs-Toast ---------- */
.lab_dg_toast {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  max-width: min(26rem, 92vw);
  padding: 0.55rem 1rem;
  border: var(--lab-border);
  border-left: 4px solid var(--bt-color);
  border-radius: 10px;
  background: var(--ct-color);
  color: var(--blk-color);
  box-shadow: var(--lab-shadow-2);
  font-size: 0.92rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 60;
}

.lab_dg_toast_zeigen {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Arbeitsflaeche: Palette links, Format-Leiste oben ---------- */
.lab_dg_haupt {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-top: 0;
}

.lab_dg_palette {
  position: sticky;
  top: 0.5rem;
  z-index: 5;
  flex: none;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 0.2rem;
  padding: 0.3rem;
  background: var(--lab-toolbar-bg);
  backdrop-filter: blur(6px);
  border: var(--lab-border);
  border-radius: 12px;
  box-shadow: var(--lab-shadow-1);
}

.lab_dg_palette .lab_btn {
  justify-content: center;
}

/* ---------- Andockbare Palette (Vorbild LabVectorDraw): die Lage kommt
   aus dem Ansicht-Menue, Wahl im lokalen Speicher ---------- */
.lab_dg_haupt.lab_dg_leiste_rechts .lab_dg_palette {
  order: 3;
}

.lab_dg_haupt.lab_dg_leiste_oben,
.lab_dg_haupt.lab_dg_leiste_unten {
  flex-direction: column;
  align-items: stretch;
}

.lab_dg_haupt.lab_dg_leiste_oben .lab_dg_palette,
.lab_dg_haupt.lab_dg_leiste_unten .lab_dg_palette {
  position: static;
  flex: 1 1 100%;
  grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
}

.lab_dg_haupt.lab_dg_leiste_oben .lab_dg_palette {
  order: -1;
}

.lab_dg_haupt.lab_dg_leiste_unten .lab_dg_palette {
  order: 4;
}

.lab_dg_mitte {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ---------- Menueleiste (wie in LabVectorDraw): schmale Leiste mit
   Menue-Titeln, Klick oeffnet ein Dropdown, Klick ausserhalb schliesst ---------- */
.lab_dg_menueleiste {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin: 0.2rem 0 0.4rem;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 10px;
  padding: 0.25rem 0.45rem;
  box-shadow: var(--lab-shadow-1);
}

.lab_dg_menu {
  position: relative;
}

/* lab-Marke (Kolben + Schriftzug) mit Trennstrich zur ersten Menuegruppe
   (der Plattform-Kopf ist auf dieser Seite ausgeblendet) */
.lab_dg_menueleiste .lab_marke {
  padding: 0.22rem 0.55rem 0.22rem 0.35rem;
  margin-right: 0.35rem;
  border-right: 1px solid var(--lab-border-color);
  border-radius: 7px 0 0 7px;
}

.lab_dg_menu_titel {
  font: inherit;
  font-size: 0.88rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--blk-color);
  cursor: pointer;
  white-space: nowrap;
}

.lab_dg_menu_titel:hover,
.lab_dg_menu_titel.lab_dg_menu_offen {
  background: var(--alt-div-hover-color);
}

.lab_dg_menu_titel:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: -2px;
}

.lab_dg_menu_liste {
  position: absolute;
  top: calc(100% + 0.2rem);
  left: 0;
  z-index: 45;
  min-width: 16rem;
  display: flex;
  flex-direction: column;
  padding: 0.3rem;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 10px;
  box-shadow: var(--lab-shadow-2);
}

.lab_dg_menu_eintrag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font: inherit;
  font-size: 0.86rem;
  text-align: left;
  padding: 0.4rem 0.6rem;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--blk-color);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

.lab_dg_menu_eintrag:hover:not(:disabled),
.lab_dg_menu_eintrag:focus-visible:not(:disabled) {
  background: var(--alt-div-hover-color);
}

.lab_dg_menu_eintrag:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: -2px;
}

.lab_dg_menu_eintrag:disabled {
  color: var(--grey600-color);
  cursor: default;
}

.lab_dg_menu_kuerzel {
  font-family: var(--lab-mono);
  font-size: 0.74rem;
  color: var(--grey600-color);
}

.lab_dg_menu_trenner {
  height: 1px;
  margin: 0.25rem 0.4rem;
  background: var(--lab-border-color);
}

/* ---------- Format-Leiste: Farben, Schrift, Pfeil, Ausrichten ---------- */
/* position + z-index noetig: der backdrop-filter macht die Leiste zum
   eigenen Stacking-Context - ohne positive Ebene laegen die Popups
   unter dem Blatt (das im DOM spaeter kommt) */
.lab_dg_format {
  position: relative;
  z-index: 9;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.5rem;
  background: var(--lab-toolbar-bg);
  backdrop-filter: blur(6px);
  border: var(--lab-border);
  border-radius: 12px;
  box-shadow: var(--lab-shadow-1);
}

.lab_dg_gruppe {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0 0.4rem;
  border-right: var(--lab-border);
}

.lab_dg_gruppe:last-of-type {
  border-right: 0;
}

.lab_dg_werkzeug.is_aktiv {
  background: var(--green50-color);
  color: var(--link-color);
}

#dg_fett[aria-pressed="true"] {
  background: var(--green50-color);
  color: var(--link-color);
}

/* Strichstärke und Rundung: zwei kleine Zahlenfelder in der Leiste
   (Muster der Lage-Felder: Mono-Label, schmales Eingabefeld) */
.lab_dg_zahl_label {
  font-family: var(--lab-mono);
  font-size: 0.72rem;
  color: var(--grey600-color);
}

.lab_dg_strich input {
  width: 3.4rem;
  box-sizing: border-box;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.16rem 0.3rem;
  border: var(--lab-border);
  border-radius: 6px;
  background: var(--ct-color);
  color: var(--blk-color);
}

.lab_dg_strich input:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 1px;
}

/* Ziehen einer Bild-Datei über das Blatt heben das Blatt hervor */
.lab_dg_blatt.lab_dg_drop {
  outline: 2px dashed var(--bt-color);
  outline-offset: -6px;
}

/* ---------- Popups (Farben, Pfeil, Ausrichten) ---------- */
.lab_dg_popup {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  z-index: 8;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 10px;
  box-shadow: var(--lab-shadow-2);
  padding: 0.6rem 0.7rem;
  width: max-content;
  max-width: min(22rem, 92vw);
}

/* Die Popups haengen an Knöpfen in der Format-Leiste */
.lab_dg_gruppe {
  position: relative;
}

.lab_dg_popup_breit {
  min-width: 15rem;
}

.lab_dg_popup_titel {
  margin: 0.45rem 0 0.35rem;
  font-family: var(--lab-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey600-color);
}

.lab_dg_popup_titel:first-child {
  margin-top: 0;
}

.lab_dg_swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.lab_dg_swatch {
  width: 1.3rem;
  height: 1.3rem;
  padding: 0;
  border: 2px solid var(--lab-border-color);
  border-radius: 6px;
  cursor: pointer;
}

.lab_dg_swatch.is_aktiv {
  outline: 2px solid var(--bt-color);
  outline-offset: 1px;
}

.lab_dg_swatch:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 2px;
}

.lab_dg_ohne {
  font-size: 0.76rem;
  padding: 0.12rem 0.45rem;
  border: var(--lab-border);
  border-radius: 6px;
  background: var(--div-color);
  color: var(--blk-color);
  cursor: pointer;
}

.lab_dg_ohne.is_aktiv {
  background: var(--green50-color);
  color: var(--link-color);
}

.lab_dg_ohne:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 2px;
}

/* Optionszeilen in den Popups (Linienart, Spitzen, Weg) */
.lab_dg_zeile {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.lab_dg_wahl {
  font: inherit;
  font-size: 0.82rem;
  padding: 0.2rem 0.55rem;
  border: var(--lab-border);
  border-radius: 7px;
  background: var(--div-color);
  color: var(--blk-color);
  cursor: pointer;
}

.lab_dg_wahl[aria-pressed="true"] {
  background: var(--green50-color);
  color: var(--link-color);
  border-color: var(--bt-color);
}

.lab_dg_wahl:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 1px;
}

/* Raster aus Ausrichten-/Verteilen-Knöpfen */
.lab_dg_raster_felder {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 0.25rem;
}

.lab_dg_raster_felder .lab_btn {
  justify-content: center;
}

.lab_dg_raster_felder .lab_btn[aria-disabled="true"] {
  opacity: 0.45;
}

/* ---------- Werkzeug-Tipp (Blase statt title) ---------- */
.lab_dg_tip {
  position: fixed;
  z-index: 70;
  max-width: 21rem;
  padding: 0.45rem 0.7rem 0.5rem;
  border: var(--lab-border);
  border-radius: 8px;
  background: var(--ct-color);
  color: var(--blk-color);
  box-shadow: var(--lab-shadow-2);
  font-size: 0.85rem;
  line-height: 1.35;
  pointer-events: none;
}

.lab_dg_tip[hidden] {
  display: none;
}

.lab_dg_tip_kopf {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
}

.lab_dg_tip_kuerzel {
  font-family: var(--lab-mono);
  font-size: 0.7rem;
  font-weight: 400;
  padding: 0.02rem 0.4rem;
  border: var(--lab-border);
  border-radius: 999px;
  background: var(--div-color);
  white-space: nowrap;
}

.lab_dg_tip_text {
  display: block;
  margin-top: 0.12rem;
  color: var(--grey600-color);
}

.lab_dg_tip_text:first-child {
  margin-top: 0;
  color: var(--blk-color);
}

/* ---------- Blatt ---------- */
.lab_dg_halter {
  position: relative;
  margin-top: 0.6rem;
}

.lab_dg_blatt {
  border: var(--lab-border);
  border-radius: 12px;
  background: var(--lab-tv-blatt);
  box-shadow: var(--lab-shadow-1);
  overflow: auto;
  overscroll-behavior: contain;
  max-height: calc(100vh - 13.5rem);
  min-height: 22rem;
}

.lab_dg_blatt svg {
  display: block;
  touch-action: none;
  /* Der Reset in layout.css setzt img/svg auf max-width: 100% - das wuerde
     das Blatt am Handy stauchen (Zeigerkoordinaten passen dann nicht mehr
     zu den Blattpixeln). Das Blatt behaelt seine Groesse, der Rahmen rollt. */
  max-width: none;
  /* Kein Text-Auswahlrahmen beim Ziehen (die Zeiger-Ereignisse rufen
     bewusst kein preventDefault - sonst gaebe es kein dblclick mehr) */
  user-select: none;
  -webkit-user-select: none;
}

/* Raster: feine Linien alle 20 px, kraeftigere alle 100 px */
.lab_dg_raster_linie {
  fill: none;
  stroke: var(--lab-dg-raster-linie);
  stroke-width: 1;
}

.lab_dg_raster_haupt {
  fill: none;
  stroke: var(--lab-dg-raster-haupt);
  stroke-width: 1.2;
}

/* Verbinden: hervorgehobene Quelle */
.lab_dg_quelle {
  fill: none;
  stroke: var(--bt-color);
  stroke-dasharray: 5 4;
  pointer-events: none;
}

/* Auswahlrahmen und Ziehgriffe (Strichbreite/Groesse setzt das Skript,
   damit sie bei jedem Zoom gleich gross bleiben) */
.lab_dg_auswahl {
  fill: none;
  stroke: var(--bt-color);
  pointer-events: none;
}

.lab_dg_griff {
  fill: var(--lab-tv-blatt);
  stroke: var(--bt-color);
  cursor: nwse-resize;
}

.lab_dg_griff[data-griff="ne"],
.lab_dg_griff[data-griff="sw"] {
  cursor: nesw-resize;
}

/* Beschriftungs-Eingabe ueber der gewaehlten Form */
.lab_dg_textfeld {
  position: absolute;
  z-index: 6;
  width: 15rem;
  font: inherit;
  font-size: 0.95rem;
  padding: 0.35rem 0.5rem;
  border: 2px solid var(--bt-color);
  border-radius: 8px;
  background: var(--lab-tv-blatt);
  color: var(--lab-tv-blatt-text);
  resize: none;
}

.lab_dg_textfeld:focus-visible {
  outline: none;
}

/* ---------- Statuszeile mit Zoom ---------- */
.lab_dg_status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.3rem 1.2rem;
  margin: 0.5rem 0.2rem 0.4rem;
}

.lab_dg_status .lab_hinweis {
  margin: 0;
}

.lab_dg_status_rechts {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-left: auto;
}

.lab_dg_zoom {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.lab_dg_zoom_knopf {
  font-family: var(--lab-mono);
  font-size: 0.78rem;
  padding: 0.1rem 0.45rem;
  border: var(--lab-border);
  border-radius: 7px;
  background: var(--ct-color);
  color: var(--blk-color);
  cursor: pointer;
}

.lab_dg_zoom_knopf:hover {
  border-color: var(--grey600-color);
}

.lab_dg_zoom_knopf:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 1px;
}

#dg_zoom_wert {
  min-width: 4.2rem;
  text-align: center;
}

/* ---------- Kontextmenue (rechte Maustaste, LabVectorDraw-Vorbild) ---------- */
.lab_dg_kontext {
  position: fixed;
  z-index: 48;              /* über Menueleiste (45), unter Modals (50) */
  min-width: 12.5rem;
  padding: 0.25rem;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 10px;
  box-shadow: var(--lab-shadow-2);
}

.lab_dg_kontext_teil {
  display: flex;
  flex-direction: column;
}

.lab_dg_menu_eintrag {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.84rem;
  color: var(--blk-color);
  padding: 0.36rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}

.lab_dg_menu_eintrag:hover {
  background: var(--div-color);
}

.lab_dg_menu_eintrag:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: -2px;
}

.lab_dg_menu_eintrag[disabled] {
  opacity: 0.45;
  cursor: default;
}

.lab_dg_menu_eintrag[disabled]:hover {
  background: transparent;
}

.lab_dg_menu_kuerzel {
  font-family: var(--lab-mono);
  font-size: 0.7rem;
  color: var(--grey600-color);
}

/* ---------- Schwenken: Leertaste bereit, Zug laeuft ---------- */
.lab_dg_pan_bereit {
  cursor: grab;
}

.lab_dg_pan_laeuft {
  cursor: grabbing;
}

/* ---------- Panels rechts (Vorbild LabVectorDraw): Spalte mit Objekt-
   liste und Lage/Größe; jedes Panel einzeln lösbar, dann position:fixed
   und frei ziehbar - siehe lab_dg_geloest ---------- */
.lab_dg_seiten {
  flex: 0 0 16.5rem;
  width: 16.5rem;
  position: sticky;
  top: 0.6rem;
  /* So hoch wie das Blatt daneben: die Spalte scrollt in sich selbst,
     die Panels behalten ihre natuerliche Hoehe */
  max-height: calc(100vh - 13.5rem);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--lab-border-color) transparent;
}

.lab_dg_panel {
  flex: 0 0 auto;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 12px;
  padding: 0.7rem 0.9rem 0.9rem;
  box-shadow: var(--lab-shadow-1);
}

/* Kopfzeile: Titel links, Zaehler/Knopf rechts; beim geloesten Panel
   zugleich Griff zum Verschieben */
.lab_dg_panel_kopf {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
  margin: 0 0 0.3rem;
}

.lab_dg_panel_kopf .lab_dg_panel_titel {
  margin: 0;
  font-size: 1rem;
}

.lab_dg_panel_titel {
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.lab_dg_panel_knopf {
  flex: 0 0 auto;
  align-self: center;
  font: inherit;
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--lab-border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--grey600-color);
  cursor: pointer;
}

.lab_dg_panel_knopf:hover {
  background: var(--alt-div-hover-color);
  color: var(--blk-color);
}

.lab_dg_panel_knopf[aria-pressed="true"] {
  border-color: var(--bt-color);
  color: var(--link-color);
}

.lab_dg_geloest .lab_dg_panel_kopf {
  cursor: grab;
  touch-action: none;
}

.lab_dg_geloest .lab_dg_panel_kopf:active {
  cursor: grabbing;
}

.lab_dg_panel.lab_dg_geloest {
  position: fixed;
  z-index: 47;              /* über Menueleiste (45), unter Kontextmenue (48) und Modals (50) */
  width: 16.5rem;
  max-height: calc(100vh - 1rem);
  overflow-y: auto;
  margin: 0;
  box-shadow: var(--lab-shadow-2);
}

.lab_dg_hinweis_klein {
  font-size: 0.76rem;
  color: var(--grey600-color);
  margin: 0 0 0.35rem;
}

/* ---------- Objektliste (oben = ganz vorn) ---------- */
.lab_dg_obj_zaehler {
  color: var(--grey600-color);
  font-weight: 400;
}

.lab_dg_obj_liste {
  list-style: none;
  margin: 0;
  padding: 0.15rem;
  border: var(--lab-border);
  border-radius: 8px;
  max-height: 13rem;
  overflow-y: auto;
  background: var(--div-color);
}

.lab_dg_obj {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.1rem 0.15rem;
  border-radius: 6px;
}

.lab_dg_obj.is_gewaehlt {
  background: var(--green50-color);
}

.lab_dg_obj_knopf {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  padding: 0;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--grey600-color);
  cursor: pointer;
}

.lab_dg_obj_knopf:hover {
  background: var(--alt-div-hover-color);
  color: var(--blk-color);
}

.lab_dg_obj_knopf:focus-visible {
  outline: 2px solid var(--bt-color);
  outline-offset: 1px;
}

.lab_dg_obj_knopf svg {
  display: block;
}

/* Zustand: Auge zu (ausgeblendet) */
.lab_dg_obj.ist_aus .lab_dg_obj_knopf[data-akt="sichtbar"],
.lab_dg_obj.ist_aus .lab_dg_obj_name {
  opacity: 0.45;
}

.lab_dg_obj_name {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  font: inherit;
  font-size: 0.8rem;
  text-align: left;
  padding: 0.1rem 0.25rem;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--blk-color);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
}

/* Der Text sitzt in einem eigenen Block: ein Flex-Container selbst
   gibt keine Auslassungszeichen heraus (lange Namen wie "Abgerundetes
   Rechteck 1 · Start" wurden sonst mitten im Wort hart abgeschnitten) */
.lab_dg_obj_text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lab_dg_obj_name:hover {
  background: var(--alt-div-hover-color);
}

.lab_dg_obj_name:focus-visible {
  outline: 2px solid var(--bt-color);
  outline-offset: 1px;
}

.lab_dg_obj_farbe {
  flex: none;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  border: 1px solid var(--lab-border-color);
}

.lab_dg_obj_gruppe {
  font-family: var(--lab-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey600-color);
  padding: 0.3rem 0.25rem 0.1rem;
}

.lab_dg_obj_leer {
  font-size: 0.8rem;
  color: var(--grey600-color);
  padding: 0.25rem;
}

.lab_dg_obj_aktionen {
  display: flex;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.lab_dg_mini {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font: inherit;
  font-size: 0.78rem;
  padding: 0.28rem 0.55rem;
  border: var(--lab-border);
  border-radius: 7px;
  background: var(--div-color);
  color: var(--blk-color);
  cursor: pointer;
}

.lab_dg_mini[aria-disabled="true"] {
  opacity: 0.45;
  cursor: default;
}

.lab_dg_mini:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 1px;
}

/* ---------- Panel: Lage und Groesse ---------- */
.lab_dg_lage {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  gap: 0.3rem 0.45rem;
  align-items: center;
}

.lab_dg_lage label {
  font-family: var(--lab-mono);
  font-size: 0.72rem;
  color: var(--grey600-color);
}

.lab_dg_lage input {
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.16rem 0.3rem;
  border: var(--lab-border);
  border-radius: 6px;
  background: var(--ct-color);
  color: var(--blk-color);
}

.lab_dg_lage input:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 1px;
}

/* ---------- Dialoge ---------- */
.lab_dg_versteckt {
  display: none !important;
}

.lab_dg_modalfilter {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lab_dg_modal {
  width: 100%;
  max-width: 42rem;
  max-height: 86vh;
  overflow-y: auto;
  background: var(--ct-color);
  color: var(--blk-color);
  border: var(--lab-border);
  border-radius: 14px;
  padding: 1rem 1.15rem 1.1rem;
  box-shadow: var(--lab-shadow-2);
}

.lab_dg_modal_schmal {
  max-width: 27rem;
}

.lab_dg_modal_kopf {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.3rem;
}

.lab_dg_modal_kopf h2 {
  margin: 0;
  font-size: 1.15rem;
}

.lab_dg_modal_fuss {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 0.9rem;
}

.lab_dg_frage_text {
  margin: 0.2rem 0 0;
  color: var(--grey600-color);
}

/* ---------- Dialog: Smart-Grafik ---------- */
.lab_dg_modal_smart {
  max-width: 44rem;
}

.lab_dg_smart_einleitung {
  margin: 0.1rem 0 0.7rem;
  color: var(--grey600-color);
  font-size: 0.9rem;
}

.lab_dg_smart_layouts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.lab_dg_smart_kachel {
  appearance: none;
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.3rem 0.45rem;
  border: var(--lab-border);
  border-radius: 10px;
  background: var(--div-color);
  color: var(--blk-color);
  cursor: pointer;
}

.lab_dg_smart_kachel:hover {
  border-color: var(--grey600-color);
}

.lab_dg_smart_kachel[aria-pressed="true"] {
  border-color: var(--bt-color);
  background: var(--green50-color);
  color: var(--link-color);
}

.lab_dg_smart_kachel:focus-visible {
  outline: 2px solid var(--lab-ring);
  outline-offset: 2px;
}

.lab_dg_smart_name {
  font-size: 0.78rem;
  line-height: 1.2;
  text-align: center;
}

.lab_dg_smart_label {
  display: block;
  margin: 0.2rem 0 0.3rem;
  font-size: 0.88rem;
  color: var(--grey600-color);
}

#dg_smart_text,
#dg_tabelle_text {
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  font-size: 0.92rem;
  line-height: 1.4;
  padding: 0.45rem 0.6rem;
  border: var(--lab-border);
  border-radius: 8px;
  background: var(--ct-color);
  color: var(--blk-color);
  resize: vertical;
}

#dg_smart_text:focus-visible,
#dg_tabelle_text:focus-visible {
  outline: 2px solid var(--bt-color);
  outline-offset: 1px;
}

/* ---------- Dialog: Diagramm aus Tabelle ---------- */
.lab_dg_modal_tabelle {
  max-width: 46rem;
}

.lab_dg_tab_zeile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.lab_dg_tab_hinweis {
  color: var(--grey600-color);
  font-size: 0.82rem;
  line-height: 1.35;
}

.lab_dg_tab_optionen {
  display: flex;
  align-items: center;
  gap: 0.4rem 1.1rem;
  flex-wrap: wrap;
  margin: 0.65rem 0 0.2rem;
  font-size: 0.88rem;
}

.lab_dg_tab_optionen label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lab_dg_tab_optionen select {
  font: inherit;
  padding: 0.15rem 0.35rem;
  border: var(--lab-border);
  border-radius: 8px;
  background: var(--ct-color);
  color: var(--blk-color);
}

.lab_dg_tab_vorschau {
  margin-top: 0.6rem;
  border: var(--lab-border);
  border-radius: 8px;
  background: var(--div-color);
  padding: 0.5rem 0.65rem;
  font-size: 0.86rem;
  max-height: 13rem;
  overflow: auto;
}

.lab_dg_tab_vorschau table {
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  max-width: 100%;
}

.lab_dg_tab_vorschau th,
.lab_dg_tab_vorschau td {
  border: 1px solid var(--lab-border-color);
  padding: 0.12rem 0.45rem;
  text-align: left;
  white-space: nowrap;
}

.lab_dg_tab_vorschau th {
  background: var(--ct-color);
  font-weight: 600;
}

.lab_dg_tab_meldung {
  margin: 0.1rem 0;
  color: var(--grey600-color);
}

.lab_dg_tab_fehler {
  margin: 0.1rem 0;
  color: var(--lab-fehler-fg);
}

@media (max-width: 48rem) {
  .lab_dg_smart_layouts {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lab_dg_hilfe_gruppe {
  margin: 0.15rem 0;
}

.lab_dg_hilfe_gruppe > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.94rem;
  padding: 0.35rem 0.4rem;
  border-radius: 8px;
  list-style-position: inside;
}

.lab_dg_hilfe_gruppe > summary:hover {
  color: var(--link-color);
}

.lab_dg_hilfe_gruppe > summary:focus-visible {
  outline: 2px solid var(--bt-color);
  outline-offset: 2px;
}

.lab_dg_merk {
  font-size: 0.88rem;
  border-left: 3px solid var(--lab-border-color);
  padding: 0.15rem 0 0.15rem 0.6rem;
  margin: 0.5rem 0;
}

.lab_dg_kurztasten {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.95rem;
}

.lab_dg_kurztasten > span {
  white-space: nowrap;
}

.lab_dg_kurztasten kbd {
  font-family: var(--lab-mono);
  font-size: 0.78rem;
  padding: 0.05rem 0.35rem;
  margin-right: 0.2rem;
  border: var(--lab-border);
  border-radius: 5px;
  background: var(--div-color);
}

/* ---------- Druckansicht (eingepasste Kopie) ---------- */
.lab_dg_druck {
  display: none;
}

@page {
  size: A4 landscape;
  margin: 12mm;
}

@media print {
  body.lab_body {
    background: #FFFFFF;
  }

  .lab_dg_menueleiste,
  .lab_dg_format,
  .lab_dg_palette,
  .lab_dg_seiten,
  .lab_dg_status,
  .lab_dg_toast,
  .lab_dg_halter,
  .lab_dg_modalfilter {
    display: none !important;
  }

  .lab_dg_haupt {
    display: block;
    margin: 0;
  }

  .lab_dg_druck {
    display: block;
  }

  .lab_dg_druck svg {
    width: 100%;
    height: auto;
    max-height: 100vh;
  }
}

/* ---------- Schmale Fenster und Touch ---------- */
@media (max-width: 62rem) {
  .lab_dg_menueleiste {
    flex-wrap: wrap;
  }

  .lab_dg_haupt {
    flex-direction: column;
    align-items: stretch;
  }

  /* Gespeicherte Paletten-Lage gilt auf schmalen Schirmen nicht:
     die Palette liegt als Reihe über dem Blatt, die Panels darunter */
  .lab_dg_haupt.lab_dg_leiste_rechts .lab_dg_palette,
  .lab_dg_haupt.lab_dg_leiste_unten .lab_dg_palette {
    order: 0;
  }

  .lab_dg_palette {
    position: static;
    grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
  }

  .lab_dg_blatt {
    max-height: 62vh;
  }

  /* Panels unter das Blatt: volle Breite, die Seite scrollt */
  .lab_dg_seiten {
    position: static;
    flex: 1 1 auto;
    width: 100%;
    max-height: none;
    overflow: visible;
  }

  .lab_dg_status_rechts {
    width: 100%;
    justify-content: space-between;
  }
}

@media (pointer: coarse) {
  .lab_dg_palette .lab_btn,
  .lab_dg_format .lab_btn_icon {
    min-width: 2.6rem;
    min-height: 2.6rem;
  }

  .lab_dg_menu_titel {
    padding: 0.5rem 0.8rem;
  }

  .lab_dg_menu_eintrag {
    padding: 0.55rem 0.75rem;
  }

  .lab_dg_obj_knopf,
  .lab_dg_obj_name {
    min-height: 2rem;
  }

  .lab_dg_panel_knopf,
  .lab_dg_mini {
    padding: 0.45rem 0.7rem;
  }

  .lab_dg_lage input {
    padding: 0.4rem 0.45rem;
  }

  .lab_dg_strich input {
    padding: 0.4rem 0.45rem;
  }

  .lab_dg_zoom_knopf {
    padding: 0.35rem 0.7rem;
    min-height: 2.3rem;
  }

  .lab_dg_wahl {
    padding: 0.4rem 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab_dg_toast {
    transition: none;
  }
}