/* Work's persistent host keeps the editor alive across application renders. */
#office-work-slot { min-width: 0; min-height: 0; }
/* The app normally forms a stacking context for its separate runtime hosts.
   Work keeps scale=1 but lets shell menus stack above the persistent Docs host. */
#app.office-is-visible { z-index: auto; }
#app.office-is-visible .viewport { position: absolute; width: 100vw; height: 100vh; }
#app.office-is-visible .design-canvas { transform: none; }
#office-work-host { position: fixed; z-index: 3; container-type: inline-size; overflow: auto; background: var(--editor); color: var(--text); font: 350 12px/1.5 Inter, sans-serif; }
#office-work-host[hidden], #office-work-host [hidden] { display: none; }
#office-work-host * { box-sizing: border-box; }
#office-work-host button, #office-work-host input, #office-work-host select { font: inherit; color: inherit; }
#office-work-host button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 32px; border: 1px solid var(--line-soft); border-radius: 7px; padding: 6px 10px; background: transparent; text-align: left; transition: background .16s ease, border-color .16s ease; }
#office-work-host button:hover:not(:disabled) { background: color-mix(in srgb, var(--text) 6%, transparent); border-color: var(--line); }
#office-work-host button:disabled { opacity: .48; cursor: not-allowed; }
#office-work-host :focus-visible { outline: 1px solid var(--accent-ring); outline-offset: var(--focus-ring-offset, 1px); }
#office-work-host input:focus-visible, #office-work-host textarea:focus-visible, #office-work-host select:focus-visible { outline-offset: -1px; }
#office-work-host .ui-icon { flex: 0 0 18px; width: 18px; height: 18px; }
#office-work-host h1, #office-work-host h2, #office-work-host p { margin: 0; }
#office-work-host h1, #office-work-host h2 { font-size: 12px; font-weight: 600; }
#office-work-host small, #office-work-host em { font-size: 12px; font-style: normal; color: var(--dim); }
.office-loading { padding: 32px; color: var(--dim); }
.office-home { max-width: 1100px; margin: auto; padding: clamp(20px, 4vw, 52px); display: grid; gap: 28px; }
.office-home > header, .office-files > header { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.office-eyebrow { color: var(--dim); display: block; margin-bottom: 10px; }
.office-home header p { padding-top: 6px; color: var(--dim); }
.office-create-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
#office-work-host .office-create-grid > button { display: grid; justify-items: start; justify-content: start; align-content: start; gap: 12px; padding: 22px; min-height: 176px; border-radius: 12px; }
.office-file-glyph { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; color: var(--accent-ui); background: color-mix(in srgb, var(--accent-ui) 9%, transparent); }
.office-file-glyph.xlsx { color: #55aa88; background: #55aa8814; }
.office-file-glyph.pptx { color: #d39367; background: #d3936714; }
.office-setup { border: 1px solid var(--line-soft); border-radius: 10px; padding: 16px; }
.office-setup > div { display: flex; align-items: start; gap: 12px; }
.office-setup p, .office-setup details { color: var(--dim); }
.office-setup details { margin-top: 12px; overflow-wrap: anywhere; }
.office-setup summary { cursor: pointer; }
.office-setup ul { padding-left: 20px; margin: 10px 0; }
.office-project-notice { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); }
.office-files { display: grid; gap: 12px; }
.office-file-table { border: 1px solid var(--line-soft); border-radius: 10px; overflow: hidden; }
#office-work-host .office-file-row { width: 100%; border: none; border-radius: 0; padding: 12px; justify-content: start; gap: 12px; }
#office-work-host .office-file-row + .office-file-row { border-top: 1px solid var(--line-soft); }
.office-file-row > span:nth-child(2) { display: grid; gap: 2px; flex: 1; min-width: 0; }
.office-file-row strong { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.office-file-row.active { background: color-mix(in srgb, var(--text) 6%, transparent) !important; }
.office-empty { padding: 40px 20px; border: 1px dashed var(--line-soft); border-radius: 10px; text-align: center; color: var(--dim); }
.office-empty p { padding-top: 6px; }
#office-work-host .office-legacy { justify-self: start; color: var(--muted); border: none; padding-left: 0; }
.office-workspace { --office-chat-width: 300px; display: grid; grid-template-columns: 184px minmax(320px, 1fr) 5px var(--office-chat-width); height: 100%; min-height: 450px; position: relative; }
.office-library { overflow: auto; border-right: 1px solid var(--line-soft); padding: 12px 6px; }
.office-library > header { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.office-library .office-file-glyph { display: none; }
.office-library > button:last-child { margin: 16px 6px; }
.office-editor-column { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-width: 0; min-height: 0; position: relative; }
.office-file-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 8px 12px; border-bottom: 1px solid var(--line-soft); }
.office-rename { display: flex; flex: 1; min-width: 120px; gap: 6px; }
.office-rename input { width: 100%; min-width: 0; background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 6px; }
.office-rename input:focus { border-color: var(--line); }
.office-editor-container { position: relative; min-height: 0; background: var(--sidebar); }
#onlyoffice-editor { height: 100%; }
.office-editor-container iframe { border: 0; width: 100%; height: 100%; }
.office-editor-notice { position: absolute; inset: 0; display: grid; place-content: center; padding: 28px; text-align: center; background: var(--editor); color: var(--muted); }
.office-file-status { border-top: 1px solid var(--line-soft); color: var(--dim); padding: 8px 12px; }
.office-panel-resizer { cursor: col-resize; touch-action: none; border-left: 1px solid var(--line-soft); }
.office-panel-resizer:hover, .office-panel-resizer:focus-visible { background: var(--accent-ring); }
.office-assistant { padding: 18px; display: flex; flex-direction: column; gap: 20px; overflow: auto; }
.office-assistant > header, .office-context { display: flex; align-items: center; gap: 8px; }
.office-context, .office-data-notice { color: var(--dim); }
.office-assistant-empty { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 12px; color: var(--dim); }
.office-assistant-empty strong { color: var(--text); }
.office-assistant label { display: grid; gap: 8px; color: var(--muted); }
.office-assistant select { min-width: 0; width: 100%; padding: 8px; border: 1px solid var(--line); background: var(--editor); border-radius: 7px; }
.office-revisions { position: absolute; inset: 55px 12px 40px auto; z-index: 2; width: min(320px, 90%); overflow: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--editor); box-shadow: 0 12px 32px #0003; padding: 12px; }
.office-revisions header { display: grid; gap: 4px; margin-bottom: 12px; }
.office-revisions header > span { color: var(--dim); }
#office-work-host .office-revisions button { width: 100%; justify-content: space-between; margin-top: 6px; }
.office-error { color: var(--red); }
.office-error:empty { display: none; }
.office-workspace > .office-error { position: absolute; bottom: 32px; left: 12px; right: 12px; z-index: 3; background: var(--editor); border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.work-legacy-container { min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr); }
.work-office-return { justify-self: start; color: var(--muted); padding: 8px 20px; }
@container (max-width: 1000px) { .office-workspace { grid-template-columns: minmax(320px, 1fr) 5px var(--office-chat-width); } .office-library { display: none; } }
@container (max-width: 700px) {
  .office-create-grid { grid-template-columns: 1fr; }
  #office-work-host .office-create-grid > button { min-height: 120px; }
  .office-workspace { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(500px, 75vh) auto; height: auto; }
  .office-panel-resizer { display: none; }
  .office-assistant { border-top: 1px solid var(--line-soft); }
  .office-assistant-empty { min-height: 100px; }
  .office-home > header, .office-project-notice { align-items: start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { #office-work-host button { transition: none; } }