* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden;
  background: #231F20;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  color: #e8e8e8;
}

#map {
  position: absolute;
  inset: 0;
  background: #231F20;
}
#map.add { cursor: crosshair; }

#overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;          /* Leaflet handles pan/zoom underneath */
  z-index: 400;
}

.leaflet-container { background: #231F20; }

#toolbar {
  position: absolute;
  z-index: 1100;
  top: 12px;
  left: 12px;
  /* Fixed width so opening a wider section (e.g. Build with long button
     labels) doesn't shift the whole bar. Picked to fit the widest button
     label without wrapping. */
  width: 220px;
  max-height: calc(100vh - 24px);
  max-height: calc(100dvh - 24px);       /* dynamic viewport on iOS Safari */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;     /* momentum scroll on iOS */
  overscroll-behavior: contain;          /* don't chain scroll to the map */
  touch-action: pan-y;                   /* allow vertical swipe to scroll */
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 6px;
  background: rgba(20, 18, 18, 0.92);
  border: 1px solid #3a3636;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

#toolbar button {
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 5px;
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
}
#toolbar button:hover { background: #3c3737; }
#toolbar button.tool.active {
  background: #1d6fe0;
  border-color: #1d6fe0;
  color: #fff;
}
#toolbar .sep {
  width: auto;
  height: 1px;
  background: #443f3f;
  margin: 4px 2px;
}

/* --- collapsible sections ------------------------------------------ */
.tb-section {
  border-top: 1px solid #3a3636;
  padding-top: 2px;
  margin-top: 2px;
}
.tb-section:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.tb-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: #8a8484;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-radius: 4px;
  user-select: none;
  -webkit-user-select: none;
}
.tb-section-head:hover { color: #e0d8d8; background: rgba(255,255,255,0.06); }
.tb-section-head::after {
  content: '▶';
  font-size: 8px;
  display: inline-block;
  transition: transform 0.15s ease;
  margin-inline-start: 6px;
}
.tb-section.open .tb-section-head::after { transform: rotate(90deg); }
.tb-section-body {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 4px;
}
.tb-section.open .tb-section-body { display: flex; }

#toolbar .drag-handle {
  font-size: 16px;
  letter-spacing: 1px;
  text-align: center;
  color: #8a8484;
  cursor: grab;
  padding: 0 6px 4px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
#toolbar .drag-handle:hover { color: #e8e8e8; }
#toolbar.dragging { opacity: 0.92; }
#toolbar.dragging .drag-handle { cursor: grabbing; }

#toolbar-toggle {
  align-self: center;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 13px;
  cursor: pointer;
  padding: 4px 12px;
  box-sizing: content-box;
  color: #b9b3b3;
  user-select: none;
  -webkit-user-select: none;
}
#toolbar-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}
#toolbar-toggle:hover { color: #fff; }
/* Collapsed: keep the drag handle, the toggle, the language picker, and the footer links visible. */
#toolbar.collapsed > *:not(#toolbar-handle):not(#toolbar-toggle):not(#lang-toggle):not(#footer-links) {
  display: none;
}

/* Always-visible language picker — small separator from the sections below. */
#toolbar > #lang-toggle {
  padding-bottom: 4px;
  margin-bottom: 2px;
  border-bottom: 1px solid #3a3636;
}

#toolbar .navtoggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: #e8e8e8;
  padding: 0 6px;
  cursor: pointer;
  white-space: nowrap;
}
#toolbar .navtoggle input { cursor: pointer; margin: 0; }
#toolbar .navtoggle input[type="range"] { flex: 1; width: 0; min-width: 0; }
#toolbar .navtoggle .hint { color: #8a8484; font-size: 12px; }
#toolbar .navtoggle input[type="number"] {
  width: 56px;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 4px;
  cursor: text;
}
#toolbar #wpname-rot {
  font-size: 13px;
  line-height: 1;
  color: #b9b3b3;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 1px 6px;
  cursor: pointer;
  white-space: nowrap;
}
#toolbar #wpname-rot:hover { color: #fff; }

/* rotate dial — Google-Maps-style compass needle by the zoom buttons */
.rotate-ctrl {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
#rotate-hdg {
  font: bold 11px/1 monospace;
  color: #231F20;
  background: rgba(255,255,255,0.9);
  border: 1px solid #9a9a9a;
  border-radius: 3px;
  padding: 2px 3px;
  width: 38px;
  text-align: center;
  -moz-appearance: textfield;
}
#rotate-hdg::-webkit-inner-spin-button,
#rotate-hdg::-webkit-outer-spin-button { -webkit-appearance: none; }
#rotate-dial {
  display: block;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid #9a9a9a;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  touch-action: none;
}
#rotate-dial.dragging { cursor: grabbing; }
#rotate-needle {
  position: absolute;
  inset: 0;
  transform: rotate(0deg);
}
#rotate-needle::before {            /* red north triangle */
  content: '';
  position: absolute;
  left: 50%;
  top: 8px;
  margin-left: -7px;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 14px solid #c0392b;
}
#rotate-needle::after {             /* grey south triangle */
  content: '';
  position: absolute;
  left: 50%;
  bottom: 8px;
  margin-left: -7px;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 14px solid #9a9a9a;
}

/* nav-waypoint search */
.navsearch { position: relative; padding: 0 6px; }
#wp-search {
  width: 100%;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 5px;
  padding: 5px 8px;
}
#wp-search-results {
  position: absolute;
  left: 6px;
  right: 6px;
  z-index: 1200;
  margin-top: 2px;
  max-height: 220px;
  overflow-y: auto;
  background: #2a2626;
  border: 1px solid #3a3636;
  border-radius: 5px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}
#wp-search-results.hidden { display: none; }
.search-hint {
  display: block;
  margin: 4px 6px 0;
  font-size: 11px;
  line-height: 1.3;
  color: #9a9a9a;
}
.wp-search-item {
  padding: 6px 10px;
  font-size: 13px;
  color: #e8e8e8;
  cursor: pointer;
  white-space: nowrap;
}
.wp-search-item:hover,
.wp-search-item.active { background: #1d6fe0; color: #fff; }
#toolbar .navtoggle select {
  font: inherit;
  font-size: 11px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #3a3636;
  border-radius: 4px;
  padding: 2px 4px;
  cursor: pointer;
}
#aircraft-custom {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 2px 10px;
  padding: 0 0 0 8px;
  align-items: center;
}
#aircraft-custom label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}
#aircraft-custom span {
  white-space: nowrap;
}
#aircraft-custom input {
  font: inherit;
  font-size: 11px;
  width: 64px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #3a3636;
  border-radius: 4px;
  padding: 2px 4px;
  text-align: center;
}

#inspector {
  position: absolute;
  z-index: 1100;
  top: 56px;
  right: 12px;
  width: 240px;
  background: rgba(20, 18, 18, 0.95);
  border: 1px solid #3a3636;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
#inspector.hidden { display: none; }

#insp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 6px 6px 12px;
  background: #2f2b2b;
  border-bottom: 1px solid #3a3636;
}
#insp-title {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  color: #e8e8e8;
  background: transparent;
  border: none;
  padding: 0;
  outline: none;
}
#insp-title::placeholder { color: #8a8484; }
#insp-title:read-only { cursor: default; }
#insp-title.editable {
  background: #241f1f;
  border: 1px solid #5a5353;
  border-radius: 5px;
  padding: 4px 7px;
  cursor: text;
}
#insp-title.editable:hover,
#insp-title.editable:focus {
  color: #fff;
  border-color: #7a706f;
  background: #2b2626;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}
#insp-close {
  font: inherit;
  font-size: 18px;
  line-height: 1;
  width: 24px;
  height: 24px;
  color: #b9b3b3;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
#insp-close:hover { background: #443f3f; color: #fff; }

#insp-body { padding: 10px 12px; }

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 13px;
}
.row:last-child { margin-bottom: 0; }
.row label { color: #b9b3b3; }
.row input[type="number"],
.row input[type="text"],
.row select {
  width: 110px;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 4px 6px;
}
.row select { cursor: pointer; }
.row .val { color: #e8e8e8; font-variant-numeric: tabular-nums; }

.row.col {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}
.row textarea {
  width: 100%;
  min-height: 60px;
  resize: vertical;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 6px 8px;
}

.insp-btn {
  width: 100%;
  font: inherit;
  font-size: 13px;
  color: #fff;
  background: #b03636;
  border: none;
  border-radius: 5px;
  padding: 7px;
  cursor: pointer;
  margin-top: 4px;
}
.insp-btn:hover { background: #c44141; }

/* Route summary — a footer section at the bottom of the toolbar. */
#info {
  margin-top: 4px;
  padding: 6px 6px 2px;
  border-top: 1px solid #443f3f;
  font-size: 12px;
  color: #b9b3b3;
  font-variant-numeric: tabular-nums;
  white-space: pre-line;
}
#info:empty { display: none; }
#app-version {
  display: block;
  text-align: right;
  font-size: 10px;
  color: #6b6565;
  padding: 2px 6px 4px;
  user-select: none;
}

/* Footer links row — small repo / wiki links below the route-info totals. */
#toolbar > #footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  margin-top: 2px;
  padding: 4px 6px 6px;
  border-top: 1px solid #3a3636;
}
#toolbar .footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #8a8484;
  text-decoration: none;
  white-space: nowrap;
}
#toolbar .footer-link:hover { color: #e8e8e8; }
#toolbar .footer-link .footer-link-icon { flex: none; opacity: 0.85; }
#toolbar .footer-link:hover .footer-link-icon { opacity: 1; }

/* Print (browser Cmd+P): drop the UI, keep the map + route overlay. */
@media print {
  #toolbar, #inspector, .leaflet-control-container { display: none !important; }
  #map, #overlay { position: fixed; inset: 0; }
}

/* Flight-plan print: hide everything except the table modal. */
@media print {
  body.printing-plan #map,
  body.printing-plan #overlay,
  body.printing-plan #toolbar,
  body.printing-plan #inspector,
  body.printing-plan .leaflet-control-container { display: none !important; }
  body.printing-plan .modal-back { position: static; background: none; }
  body.printing-plan .modal { box-shadow: none; border: none; max-height: none; max-width: none; }
  body.printing-plan .modal-btns { display: none; }
  body.printing-plan .plan-name,
  body.printing-plan .plan-num { border: none !important; background: transparent !important; padding: 0 !important; }
  body.printing-plan .flight-table th { position: static; }
}

/* Mobile: bigger touch targets, roomier toolbar. */
@media (max-width: 680px) {
  #toolbar { gap: 6px; top: 8px; left: 8px;
             max-height: calc(100vh - 16px);
             max-height: calc(100dvh - 16px); }
  #toolbar button { padding: 9px 12px; font-size: 14px; }
  #toolbar .navtoggle { font-size: 14px; }
  #toolbar .navtoggle input { width: 18px; height: 18px; }
  #inspector { width: 260px; }
  .row input[type="number"],
  .row input[type="text"] { padding: 8px 6px; font-size: 15px; }
  #info { font-size: 12px; }
}

/* Orientation picker modal */
.modal-back {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
}
/* Flight Plan variant: transparent backdrop that doesn't capture events,
   so the map underneath stays draggable / pannable while the plan is open. */
.modal-back.flight-plan {
  background: transparent;
  pointer-events: none;
}
.modal-back.flight-plan > .modal {
  pointer-events: auto;
  position: absolute;
  margin: 0;
}
.modal {
  min-width: 240px;
  padding: 16px;
  background: #2a2626;
  border: 1px solid #3a3636;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}
.modal-title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #e8e8e8;
  text-align: center;
  cursor: grab;
  user-select: none;
}
.modal-title:active { cursor: grabbing; }
.modal-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.modal-btns button {
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: #1d6fe0;
  border: none;
  border-radius: 6px;
  padding: 10px 14px;
  cursor: pointer;
}
.modal-btns button:hover { background: #2f7fee; }
.modal-btns .modal-cancel { background: #443f3f; }
.modal-btns .modal-cancel:hover { background: #555050; }

/* Flight-plan table modal */
.modal.wide {
  display: flex;
  flex-direction: column;
  min-width: 520px;
  max-width: 92vw;
  max-height: 84vh;
  padding: 14px;
}
.fp-aircraft {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 6px 0 10px;
  font-size: 13px;
  color: #b9b3b3;
  border-bottom: 1px solid #3a3636;
  margin-bottom: 8px;
}
.fp-aircraft select {
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 5px;
}
.fp-aircraft input {
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 5px;
}
.modal.wide .fp-scroll {
  overflow: auto;
  flex: 1;
  min-height: 0;
}
.flight-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  margin: 0 0 12px;
}
.flight-table th,
.flight-table td {
  padding: 6px 10px;
  text-align: start;
  border-bottom: 1px solid #3a3636;
  white-space: nowrap;
}
.flight-table th {
  position: sticky;
  top: 0;
  color: #b9b3b3;
  background: #2f2b2b;
  font-weight: 600;
}
.flight-table tbody tr:hover { background: rgba(255, 255, 255, 0.04); }
.plan-name {
  width: 96px;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 5px;
}
.plan-name:focus { outline: 1px solid #1d6fe0; }
.plan-num {
  width: 64px;
  font: inherit;
  font-size: 13px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 5px;
}
.plan-num:focus { outline: 1px solid #1d6fe0; }
.flight-table tfoot td {
  font-weight: 700;
  border-top: 2px solid #443f3f;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.03);
}
.flight-plan-sub {
  font-size: 13px;
  font-weight: 600;
  color: #e8e8e8;
  padding: 16px 12px 4px;
  border-top: 1px solid #3a3636;
  margin-top: 12px;
}

/* Airfield plates */
.plates-section { margin-top: 12px; border-top: 1px solid #3a3636; padding-top: 10px; }
.plates-section .row { flex-wrap: wrap; gap: 4px; }
.plate-chip {
  display: inline-block;
  font: inherit;
  font-size: 11px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 3px 7px;
  cursor: pointer;
  white-space: nowrap;
}
.plate-chip:hover { background: #3a3636; border-color: #1d6fe0; }

.plate-chip-small { font-size: 10px; padding: 2px 5px; background: none; border-color: transparent; color: #1d6fe0; cursor: pointer; }
.plate-chip-small:hover { text-decoration: underline; }

/* Airfield runways (#231) */
.runways-row { flex-wrap: wrap; gap: 4px; align-items: center; }
.runway-chips { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.runway-chip {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: #e8e8e8;
  background: #2f2b2b;
  border: 1px solid #443f3f;
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
}

/* Charts modal */
.charts-modal-body {
  padding: 2px 0;
}
.charts-airport {
  margin: 0 2px;
  padding-bottom: 2px;
}
.charts-airport + .charts-airport {
  border-top: 1px solid #3a3636;
}
.charts-airport-header {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: #8a8484;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 6px 8px;
  border-radius: 4px;
  user-select: none;
}
.charts-airport-header::before {
  content: '▶';
  font-size: 8px;
  display: inline-block;
  transition: transform 0.15s ease;
}
.charts-airport-header.open::before {
  transform: rotate(90deg);
}
.charts-airport-header:hover {
  color: #e0d8d8;
  background: rgba(255,255,255,0.06);
}
.charts-airport-body {
  display: none;
  /* Logical inline-start so the 22 px indent lands on the chevron's side
     under both LTR and RTL (the default locale is Hebrew). */
  padding: 2px 8px 8px;
  padding-inline-start: 22px;
}
.charts-airport-body.open {
  display: block;
}
.charts-cat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}
.charts-cat-label {
  font-size: 11px;
  color: #b9b3b3;
  min-width: 60px;
  flex-shrink: 0;
}

/* Plate viewer modal */
.modal-back.plate-viewer { z-index: 3000; }
.plate-viewer-box {
  width: 92vw;
  max-width: 1100px;
  height: 88vh;
  display: flex;
  flex-direction: column;
  padding: 10px;
}
.plate-iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #fff;
  border-radius: 4px;
}
.plate-loading {
  position: absolute;
  inset: 50% 0 auto;
  text-align: center;
  color: #b9b3b3;
  font-size: 13px;
  padding: 20px;
  white-space: pre-wrap;
  word-break: break-all;
}
.plate-attribution {
  font-size: 10px;
  color: #888;
  text-align: center;
  padding: 6px 0 4px;
  line-height: 1.3;
}

/* Shared top-right ✕ close button on modal boxes — mirrors the inspector's
 * #insp-close so every dismissable surface uses the same affordance. */
.modal {
  position: relative;             /* anchor for the absolute X */
}
.modal-close-x {
  position: absolute;
  top: 6px;
  inset-inline-end: 6px;
  width: 28px;
  height: 28px;
  font: inherit;
  font-size: 16px;
  line-height: 1;
  color: #b9b3b3;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.modal-close-x:hover { background: #443f3f; color: #fff; }

/* Floating search overlay — Ctrl/Cmd-F shows this top-center panel so the
 * user can find a nav-waypoint without expanding the Build section. */
#search-overlay {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1500;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(20, 18, 18, 0.97);
  border: 1px solid #443f3f;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  width: min(420px, 90vw);
}
#search-overlay.hidden { display: none; }
#search-overlay #wp-search {
  flex: 1;
  font: inherit;
  font-size: 14px;
  padding: 6px 8px;
  background: #2f2b2b;
  color: #e8e8e8;
  border: 1px solid #443f3f;
  border-radius: 4px;
  outline: none;
}
#search-overlay #wp-search:focus { border-color: #1d6fe0; }
#search-close {
  width: 28px;
  height: 28px;
  font-size: 16px;
  line-height: 1;
  color: #b9b3b3;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
#search-close:hover { background: #443f3f; color: #fff; }
#search-overlay #wp-search-results {
  flex-basis: 100%;
  max-height: 60vh;
  overflow-y: auto;
  background: rgba(30, 26, 26, 0.97);
  border: 1px solid #443f3f;
  border-radius: 4px;
}
#search-overlay #wp-search-results.hidden { display: none; }

/* Print-section orientation toggle (button next to A3 / A4). */
#page-buttons {
  display: flex;
  gap: 4px;
  align-items: stretch;
}
#page-buttons > * { flex: 1; }
#page-orient {
  font-size: 16px;
  line-height: 1;
  padding: 4px 8px;
}
#page-orient.portrait { opacity: 0.9; }

/* Toast — bottom-center transient message for non-blocking confirmations. */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5000;
  padding: 8px 16px;
  background: rgba(20, 18, 18, 0.95);
  color: #e8e8e8;
  border: 1px solid #443f3f;
  border-radius: 6px;
  font-size: 13px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; }

@keyframes blink-warn {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.blink-warn { animation: blink-warn 1.2s ease-in-out infinite; }