.office-shell {
  min-width: 0;
  margin: 16px 20px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  container-type: inline-size;
}
.office-shell *,
.office-presentation * {
  box-sizing: border-box;
}
.office-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}
.office-topbar > strong {
  font-size: 17px;
  white-space: nowrap;
}
.office-shell .office-name {
  width: min(240px, 100%);
  flex: 1 1 160px;
  font-size: 15px;
  padding: 8px 10px;
}
.office-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-left: auto;
}
.office-shell button {
  font-size: 12px;
  font-weight: 600;
  padding: 7px 10px;
  white-space: nowrap;
  min-height: 32px;
}
.office-shell button[aria-pressed="true"] {
  color: #12604e;
  border-color: #2c8067;
  background: #edf7f2;
}
.office-shell label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #58708f;
}
.office-project-label {
  max-width: 170px;
}
.office-shell select,
.office-shell input[type="number"] {
  width: auto;
  max-width: 100%;
  padding: 6px;
  min-height: 30px;
  font-size: 12px;
}
.office-statusbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 14px;
  font-size: 11px;
  color: #58708f;
  border-bottom: 1px solid var(--line);
}
.office-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.office-layout.with-ai {
  grid-template-columns: minmax(0, 1fr) 270px;
}
.office-main {
  min-width: 0;
}
.office-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 7px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: #fafcfe;
}
.office-toolbar input[type="color"] {
  width: 36px;
  height: 30px;
  padding: 3px;
}
.office-page-settings {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  padding: 10px 14px;
  font-size: 11px;
  color: #58708f;
}
.office-page-settings > span {
  max-width: 340px;
  line-height: 1.6;
}
.office-doc-scroll {
  overflow: auto;
  max-height: 78dvh;
  padding: 24px;
  background: #eaf0f4;
  min-height: 540px;
}
.office-paper {
  max-width: 100%;
  padding: var(--paper-margin, 25.4mm);
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 4px 22px #071b3a16;
}
.office-paper .tiptap {
  outline: none;
  min-height: 880px;
  overflow-wrap: anywhere;
}
.office-paper .tiptap p {
  margin: 0;
  line-height: inherit;
}
.office-paper .tiptap h1,
.office-paper .tiptap h2,
.office-paper .tiptap h3 {
  line-height: 1.4;
  margin: 16px 0 10px;
}
.office-paper .tiptap p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  color: #8192a8;
  pointer-events: none;
  height: 0;
  float: left;
}
.office-paper img {
  display: block;
  max-width: 100%;
  height: auto;
}
.office-paper li p {
  margin: 0;
}
.office-ai {
  min-width: 0;
  border-left: 1px solid var(--line);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  background: #fbfdfd;
}
.office-ai h3 {
  margin: 0;
  font-size: 16px;
}
.office-ai p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: #58708f;
}
.office-ai textarea {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  font-size: 14px;
  padding: 10px;
}
.office-ai [data-ai-result] {
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.office-ai pre {
  font: inherit;
  white-space: pre-wrap;
  margin: 0;
}
.office-ai [data-ai-result] section {
  margin-bottom: 16px;
}
.office-ai .office-ai-warning {
  color: #b43c3c;
}
.office-ai-inline {
  border-left: 0;
  border-bottom: 1px solid var(--line);
  padding: 16px;
  gap: 10px;
  background: linear-gradient(110deg, #f0f8f5, #f8fbff);
}
.office-ai-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}
.office-ai-heading > span {
  color: #58708f;
  font-size: 12px;
}
.office-ai-inline h3 {
  color: #17634f;
  font-size: 15px;
}
.office-ai-compose {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
}
.office-ai-request {
  flex: 1 1 340px;
  min-width: 0;
}
.office-ai-inline textarea {
  min-height: 64px;
  line-height: 1.5;
  background: #fff;
}
.office-ai-compose [data-ai-range] {
  width: 145px;
  max-width: 100%;
  min-height: 30px;
  padding: 6px 8px;
  font-size: 12px;
}
.office-ai-compose > button,
.office-ai-preview-actions > button:first-child:not(:last-child) {
  background: #216d59;
  color: #fff;
  border-color: #216d59;
}
.office-ai-shortcuts,
.office-ai-preview-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.office-ai-shortcuts > span {
  font-size: 11px;
  color: #58708f;
  margin-right: 4px;
}
.office-ai-shortcuts button {
  border-color: #d9e8e2;
  border-radius: 16px;
  font-weight: 500;
  background: #ffffffb3;
  padding: 4px 10px;
  min-height: 28px;
}
.office-ai-inline .office-ai-warning:empty {
  display: none;
}
.office-ai-preview {
  background: #fff;
  padding: 14px;
  border: 1px solid #d2e4dc;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  min-width: 0;
}
.office-ai-preview [data-ai-result] {
  max-height: 320px;
  overflow: auto;
}
.office-ai .office-ai-change {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5ece8;
}
.office-ai-change > div {
  min-width: 0;
  padding: 10px;
  background: #f8fafc;
  border-radius: 4px;
}
.office-ai-change > div:last-child {
  background: #eff8f2;
}
.office-ai-change small {
  display: block;
  color: #58708f;
  margin-bottom: 6px;
}
.office-ai-inline button:disabled {
  opacity: .5;
  cursor: not-allowed;
}
.office-slides-layout {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 170px;
  min-height: 620px;
}
.office-thumbnails {
  min-width: 0;
  overflow: auto;
  max-height: 70dvh;
  padding: 12px 8px;
  background: #f4f7fa;
  border-right: 1px solid var(--line);
}
.office-thumbnails button {
  display: flex;
  width: 100%;
  gap: 5px;
  padding: 8px 3px;
  border-color: transparent;
  background: transparent;
  margin-bottom: 8px;
  white-space: normal;
  align-items: start;
  text-align: left;
}
.office-thumbnails button.selected {
  border-color: #2c8067;
  background: #eaf6f0;
}
.office-thumbnails small {
  font-size: 10px;
  color: #58708f;
}
.office-thumbnails .office-thumb-canvas {
  display: block;
  position: relative;
  container-type: inline-size;
  width: 100%;
  aspect-ratio: 16/9;
  box-shadow: 0 1px 4px #071b3a22;
  overflow: hidden;
  line-height: 1.25;
}
.office-import-notice {
  padding: 10px 14px;
  background: #fff7e9;
  color: #80581e;
  font-size: 12px;
  line-height: 1.7;
}
.office-slide-work {
  min-width: 0;
  padding: 20px;
  background: #eaf0f4;
}
.office-stage-wrap {
  min-width: 0;
  width: 100%;
  padding: 2px;
}
.office-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  box-shadow: 0 3px 16px #071b3a20;
  container-type: inline-size;
}
.office-slide-element {
  position: absolute;
  border: 1px solid transparent;
  touch-action: none;
  cursor: move;
}
.office-slide-element.is-selected {
  outline: 2px solid #3767d6;
  z-index: 1;
}
.office-slide-element img {
  width: 100%;
  height: 100%;
  user-select: none;
}
.office-slide-text {
  width: 100%;
  height: 100%;
  overflow: hidden;
  white-space: pre-wrap;
  line-height: 1.25;
}
.office-slide-text[contenteditable="true"] {
  outline: none;
  cursor: text;
  touch-action: auto;
  user-select: text;
}
.office-resize {
  display: none;
  position: absolute;
  width: 12px;
  height: 12px;
  right: -6px;
  bottom: -6px;
  background: #fff;
  border: 2px solid #3767d6;
  cursor: nwse-resize;
  touch-action: none;
}
.is-selected > .office-resize {
  display: block;
}
.office-notes {
  padding-top: 22px;
}
.office-notes textarea {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  resize: vertical;
  font-size: 13px;
}
.office-inspector {
  border-left: 1px solid var(--line);
  padding: 14px 10px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.office-inspector h3 {
  margin: 0;
  font-size: 13px;
}
.office-inspector p {
  font-size: 11px;
  line-height: 1.8;
  color: #58708f;
  margin: 0;
}
.office-inspector input[type="color"] {
  width: 100%;
  height: 30px;
  padding: 3px;
}
.office-geometry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.office-geometry input {
  width: 100% !important;
  min-width: 0;
}
.office-formula-bar {
  display: grid;
  grid-template-columns: 64px 30px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.office-formula-bar input {
  width: 100%;
  min-width: 0;
  font-size: 14px;
  padding: 7px 10px;
}
.office-formula-bar > span {
  text-align: center;
  font-weight: 600;
}
.office-formula-bar b {
  color: #58708f;
  font-style: italic;
}
.office-grid-scroll {
  overflow: auto;
  height: 65dvh;
  min-height: 400px;
  position: relative;
}
.office-grid {
  border-collapse: separate;
  border-spacing: 0;
  width: max-content;
  table-layout: fixed;
}
.office-grid th {
  font-weight: 500;
  background: #eef3f7;
  color: #58708f;
  font-size: 12px;
}
.office-grid thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  height: 28px;
}
.office-grid tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 44px;
}
.office-grid :is(td, th) {
  border-right: 1px solid #dce4eb;
  border-bottom: 1px solid #dce4eb;
  padding: 0;
}
.office-grid input {
  width: 120px;
  height: 30px;
  padding: 3px 7px;
  border: 0;
  border-radius: 0;
  font:
    12pt Calibri,
    Arial,
    sans-serif;
  display: block;
  outline: none;
}
.office-grid input.selected {
  outline: 2px solid #2c8067;
  outline-offset: -2px;
}
.office-grid input.formula-error {
  color: #b43c3c !important;
}
.office-sheet-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 10px;
  border-top: 1px solid var(--line);
}
.office-formula-help {
  margin: 0;
  padding: 0 12px 12px;
  color: #58708f;
  font-size: 11px;
  line-height: 1.8;
}
.office-loading {
  padding: 24px;
  color: #58708f;
  font-size: 14px;
}
.office-presentation {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #0f1721;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 20px;
  overflow: hidden;
}
.office-presentation-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  color: white;
  font-size: 13px;
  flex-wrap: wrap;
}
.office-presentation-controls button {
  font-size: 12px;
  padding: 8px 12px;
}
.office-presentation-stage {
  max-width: min(94vw, calc((100dvh - 130px) * 16 / 9));
  flex-shrink: 0;
}
.transition-fade {
  animation: office-fade var(--duration) ease;
}
.transition-push {
  animation: office-push var(--duration) ease;
}
.transition-wipe {
  animation: office-wipe var(--duration) ease;
}
@keyframes office-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes office-push {
  from {
    transform: translateX(70vw);
  }
  to {
    transform: translateX(0);
  }
}
@keyframes office-wipe {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0);
  }
}
.office-print-frame {
  position: fixed;
  width: 1px;
  height: 1px;
  left: -9999px;
  border: 0;
}
.office-view-switch {
  display: flex;
  gap: 8px;
  margin: 16px 20px 0;
}
.office-view-switch button {
  padding: 8px 14px;
  font-size: 13px;
}
.office-view-switch button[aria-pressed="true"] {
  border-color: #2c8067;
  background: #edf7f2;
}
@container (max-width: 900px) {
  .office-layout.with-ai {
    grid-template-columns: minmax(0, 1fr);
  }
  .office-ai {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .office-slides-layout {
    grid-template-columns: 96px minmax(0, 1fr);
  }
  .office-inspector {
    grid-column: 1/-1;
    border-left: 0;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    align-items: start;
  }
  .office-inspector hr {
    display: none;
  }
  .office-doc-scroll {
    padding: 18px;
  }
}
@container (max-width: 500px) {
  .office-ai-inline {
    padding: 12px;
  }
  .office-ai-compose > label:first-child {
    flex-basis: 100%;
  }
  .office-ai .office-ai-change {
    grid-template-columns: minmax(0, 1fr);
  }
  .office-topbar {
    padding: 10px;
  }
  .office-top-actions {
    margin-left: 0;
  }
  .office-project-label {
    max-width: 100%;
  }
  .office-slides-layout {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }
  .office-thumbnails {
    display: flex;
    gap: 8px;
    border-right: 0;
    max-height: 110px;
  }
  .office-thumbnails button {
    min-width: 100px;
    max-width: 100px;
    margin: 0;
  }
  .office-slide-work {
    padding: 12px;
  }
  .office-inspector {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .office-paper {
    padding: 22px;
    min-height: 800px !important;
  }
  .office-doc-scroll {
    padding: 10px;
  }
  .office-toolbar {
    gap: 6px;
    padding: 10px;
  }
  .office-toolbar label {
    max-width: 145px;
  }
  .office-toolbar select {
    min-width: 0;
  }
}
@media (max-width: 900px) {
  .office-shell {
    margin: 12px;
  }
  .office-view-switch {
    margin: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .office-presentation-stage {
    animation: none;
  }
}