* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #f4f5f7; color: #1f2937; }
header { padding: 18px 24px; background: #111827; color: white; }
h1 { margin: 0; font-size: 22px; }
header p { margin: 6px 0 0; font-size: 13px; opacity: 0.85; }
.toolbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: white; border-bottom: 1px solid #d1d5db; box-shadow: 0 2px 8px rgba(0,0,0,0.05); flex-wrap: wrap; }
.toolbarGroup { display: contents; }
button, .fileButton { border: 1px solid #cbd5e1; background: white; color: #111827; border-radius: 8px; padding: 8px 12px; font-size: 14px; cursor: pointer; transition: 0.15s ease; }
button:hover:not(:disabled), .fileButton:hover { background: #f1f5f9; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
.nudgeBtn { user-select: none; -webkit-user-select: none; touch-action: none; }
.fileButton input { display: none; }
#status { margin-left: 10px; font-size: 13px; color: #374151; }
#pdfFile { order: 0; }
.fileButton { order: 0; }
#prevBtn { order: 1; }
#nextBtn { order: 2; }
#undoBtn { order: 3; }
#editItemBtn { order: 4; }
#wrapEditBtn { order: 5; }
#copyItemBtn { order: 6; }
#deleteItemBtn { order: 7; }
.nudgeUp { order: 8; }
.nudgeDown { order: 9; }
.nudgeLeft { order: 10; }
.nudgeRight { order: 11; }
#cancelBtn { order: 12; }
#clearBtn { order: 13; }
#exportBtn { order: 14; }
#status { order: 15; }
.viewerWrap { height: calc(100vh - 120px); overflow-y: auto; padding: 24px; }
.viewerWrap[data-horizontal-overflow="fit"] { overflow-x: hidden; }
.viewerWrap[data-horizontal-overflow="zoomed"] { overflow-x: auto; }
.viewer { position: relative; display: inline-block; background: #e5e7eb; box-shadow: 0 8px 30px rgba(0,0,0,0.18); }

#pdfImage {
  display: block;
  max-width: none;
  cursor: crosshair;
}

#pdfImage:not([src]),
#pdfImage[src=""] {
  display: none;
}

#markerCanvas {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
}

.floatingGuide {
  position: fixed;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background: rgba(17, 24, 39, 0.96);
  color: white;
  padding: 22px 30px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
  min-width: 360px;
  white-space: pre-line;
  box-shadow: 0 14px 34px rgba(0,0,0,0.24);
}
.hidden { display: none; }

@media (max-width: 768px) {
  html,
  body {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }

  .app {
    display: grid;
    grid-template-columns: minmax(86px, 1.25fr) auto minmax(72px, 0.9fr) auto;
    grid-template-rows: auto minmax(0, 1fr) auto;
    width: 100%;
    height: 100vh;
    min-height: 0;
    overflow: hidden;
    background: #f4f5f7;
  }

  @supports (height: 100dvh) {
    .app {
      height: 100dvh;
    }
  }

  header {
    grid-column: 1 / -1;
    grid-row: 1;
    z-index: 1;
    min-width: 0;
    padding: 8px 10px 54px;
  }

  h1 {
    font-size: 18px;
    line-height: 1.25;
  }

  header p {
    display: none;
  }

  .toolbar {
    display: contents;
  }

  .topControls,
  .busyControls {
    display: contents;
  }

  button,
  .fileButton {
    width: auto;
    min-width: 0;
    min-height: 44px;
    padding: 8px 9px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.2;
    text-align: center;
  }

  .desktopOnly {
    display: none;
  }

  .fileButton,
  #prevBtn,
  #nextBtn,
  #status {
    grid-row: 1;
    z-index: 2;
    align-self: end;
    margin-top: 38px;
    margin-bottom: 7px;
  }

  .fileButton {
    grid-column: 1;
    margin-left: 8px;
  }

  #prevBtn {
    grid-column: 2;
    margin-left: 6px;
  }

  #status {
    grid-column: 3;
    align-self: center;
    width: auto;
    min-width: 0;
    margin-right: 0;
    margin-left: 6px;
    padding: 0 6px;
    overflow: hidden;
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    line-height: 44px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  #nextBtn {
    grid-column: 4;
    margin-right: 8px;
    margin-left: 6px;
  }

  .normalControls,
  .selectionControls {
    grid-column: 1 / -1;
    grid-row: 3;
    z-index: 20;
    min-width: 0;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    background: white;
    border-top: 1px solid #d1d5db;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
  }

  .normalControls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .selectionControls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 140px;
    gap: 8px;
  }

  .selectionActions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    min-width: 0;
  }

  #copyItemBtn {
    order: 5;
  }

  #wrapEditBtn {
    order: 6;
  }

  .nudgePad {
    display: grid;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(2, 44px);
    gap: 4px;
    width: 140px;
  }

  .nudgePad .nudgeBtn {
    width: 44px;
    height: 44px;
    min-height: 44px;
    padding: 0;
    font-size: 18px;
  }

  .nudgeUp {
    grid-column: 2;
    grid-row: 1;
  }

  .nudgeLeft {
    grid-column: 1;
    grid-row: 2;
  }

  .nudgeDown {
    grid-column: 2;
    grid-row: 2;
  }

  .nudgeRight {
    grid-column: 3;
    grid-row: 2;
  }

  .app.is-busy .busyControls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-row: 3;
    z-index: 20;
    grid-column: 1 / -1;
    gap: 8px;
    padding: 8px 10px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
    background: white;
    border-top: 1px solid #d1d5db;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
  }

  .busyControls #cancelBtn {
    width: 100%;
  }

  .app.is-busy #status {
    grid-column: 2;
    grid-row: 1;
    z-index: 21;
    align-self: stretch;
    margin: 0;
    padding: 0 6px;
    color: #374151;
    font-size: 0;
    line-height: normal;
    text-align: left;
  }

  .app.is-busy #status::after {
    display: block;
    overflow: hidden;
    font-size: 13px;
    line-height: 44px;
    text-overflow: ellipsis;
    white-space: nowrap;
    content: attr(data-mobile-status);
  }

  .app:not(.is-normal) .normalControls,
  .app:not(.has-selection) .selectionControls,
  .app:not(.is-busy) #cancelBtn {
    display: none;
  }

  .viewerWrap {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    height: auto;
    min-width: 0;
    min-height: 0;
    overflow: auto;
    padding: 10px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .viewer {
    touch-action: pan-x pan-y;
  }

  .floatingGuide {
    display: none;
  }

}

/* v7.2 export completion toast */
.exportToast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(12px);
  z-index: 1000;
  max-width: calc(100vw - 32px);
  background: rgba(17, 24, 39, 0.96);
  color: white;
  padding: 14px 20px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 14px 34px rgba(0,0,0,0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.exportToast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
  .exportToast {
    bottom: calc(68px + env(safe-area-inset-bottom));
    width: calc(100vw - 28px);
    font-size: 15px;
    padding: 14px 16px;
  }
}


[hidden] {display:none !important}
.privacyNotice{margin:0;padding:8px 16px;font-size:12px;color:#34445b;background:#f3f6fa}
#savePdfLink{padding:8px 12px;color:#1c3879}

/* Supplemental notices must not create implicit rows in the mobile PDF grid. */
@media (max-width: 768px) {
  .app { grid-template-columns: 100px 84px minmax(0, 1fr) 84px; }
  .privacyNotice { display: none; }
  .sampleNotice {
    display: block;
    grid-column: 1 / -1;
    grid-row: 2;
    align-self: start;
    z-index: 5;
    min-width: 0;
    padding: 12px;
  }
  .app.has-document .sampleNotice { display: none; }
  .fileButton, #prevBtn, #nextBtn { white-space: nowrap; }
  .normalControls.has-share { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #sharePdfBtn { order: 15; }
  #savePdfLink { order: 16; grid-column: 1 / -1; }
}