* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  height: 100%;
  font:
    14px/1.5 'Segoe UI',
    Inter,
    system-ui,
    sans-serif;
  color: #29313e;
  background: #f0f2f6;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input {
  outline-offset: 3px;
}
button {
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
button:hover {
  background: #e9edf4;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid #2458c6;
}
body {
  --app-accent: #2458c6;
  --header: #172b4f;
  --paper: #fff;
  --surface: #fff;
  --canvas: #eceff4;
  --border: #e0e4eb;
  --text: #29313e;
  --muted: #717b8b;
}
.application {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.app-header {
  height: 55px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 30px;
  background: var(--header);
  color: white;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.brand-mark {
  width: 27px;
  height: 29px;
  border: 1px solid #ffffff80;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: #ffffff12;
  font-size: 20px;
}
.brand-light {
  font-weight: 350;
}
.version {
  font: 10px/1.4 monospace;
  letter-spacing: 0;
  border: 1px solid #ffffff40;
  color: #c9d8ef;
  padding: 0 4px;
  border-radius: 3px;
  margin-left: -3px;
}
.profiles {
  display: flex;
  align-self: stretch;
  gap: 5px;
}
.profiles button {
  color: #c6d2e5;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  font-size: 13px;
  border-bottom: 3px solid transparent;
}
.profiles button.active {
  color: white;
  border-bottom-color: #92b7ff;
  background: #ffffff0a;
}
.profiles button:hover,
.header-end button:hover {
  background: #ffffff14;
}
.profile-symbol {
  width: 19px;
  height: 21px;
  border-radius: 3px;
  background: #ffffff19;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.header-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12px;
  color: #cbd7e8;
}
.header-end a:hover {
  color: white;
}
.header-end button {
  font-size: 22px;
  border-radius: 4px;
  color: white;
}
.avatar {
  width: 27px;
  height: 27px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #b6cdee;
  color: #273c5e;
  font-size: 10px;
  font-weight: 700;
}
.document-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 59px;
  padding: 0 23px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.document-header > div {
  display: flex;
  gap: 11px;
  align-items: center;
}
.breadcrumb {
  font-size: 12px;
  color: var(--muted);
}
.breadcrumb span {
  margin-left: 10px;
  color: #b5bfce;
}
.document-header strong {
  font-weight: 600;
  font-size: 14px;
}
.saved {
  font-size: 11px;
  color: var(--muted);
  background: #f1f4f8;
  border: 1px solid #e4e9f0;
  padding: 1px 7px;
  border-radius: 4px;
}
.document-actions {
  font-size: 12px;
}
.document-actions button {
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 11px;
}
.document-actions .export {
  background: var(--app-accent);
  border-color: transparent;
  color: white;
}
.ribbon-wrap {
  padding: 8px 13px;
  background: var(--surface);
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  z-index: 2;
}
ribbon-web {
  --rw-accent: var(--app-accent);
}
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 207px minmax(0, 1fr) 278px;
  min-height: 0;
}
.navigation,
.inspector {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.pane-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 17px 15px;
  font-size: 12px;
  min-height: 50px;
}
.pane-heading strong {
  font-weight: 600;
}
.pane-heading button {
  font-size: 20px;
  color: var(--muted);
  padding: 0 4px;
}
.outline-item {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 3px 10px;
  padding: 9px 10px;
  border-radius: 5px;
  font-size: 12px;
  color: var(--muted);
  width: calc(100% - 20px);
  text-align: left;
}
.outline-item.active {
  background: #eaf0fc;
  color: var(--app-accent);
  font-weight: 600;
}
.outline-item .num {
  font: 10px monospace;
  opacity: 0.7;
  min-width: 16px;
}
.outline-sub {
  margin-inline-start: 25px;
}
.navigation-bottom {
  margin-top: auto;
  padding: 18px 15px;
  border-top: 1px solid var(--border);
}
.mini-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 1.1px;
}
.segmented {
  display: flex;
  background: #edf0f5;
  border-radius: 5px;
  padding: 3px;
  margin-top: 9px;
}
.segmented button {
  flex: 1;
  padding: 5px 0;
  font-size: 12px;
  border-radius: 4px;
}
.segmented .selected {
  background: var(--surface);
  box-shadow: 0 1px 3px #182c431c;
  color: var(--app-accent);
}
.subtle-button {
  font-size: 11px;
  color: var(--muted);
  margin-top: 13px;
  padding: 4px;
}
.canvas-area {
  background: var(--canvas);
  overflow: auto;
  min-width: 0;
  position: relative;
}
.canvas-toolbar {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 1.3px;
  color: #7c8798;
  padding: 17px 26px 13px;
}
.canvas-toolbar span:last-child {
  letter-spacing: 0;
  font-size: 11px;
}
#editor-mount {
  padding: 0 28px 40px;
  min-height: 400px;
}
.paper {
  background: var(--paper);
  width: min(100%, 740px);
  min-height: 850px;
  margin: auto;
  padding: 57px 65px;
  box-shadow:
    0 2px 8px #1020400a,
    0 0 0 1px #dce1e9;
  border-radius: 1px;
  color: #29313e;
  outline: 0;
  transform-origin: top center;
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.65;
}
.paper .eyebrow {
  color: #71809b;
  letter-spacing: 2.5px;
  font-size: 10px;
  font-weight: 600;
  margin: 0 0 31px;
}
.paper h1 {
  font-size: 39px;
  font-weight: 600;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin: 0 0 18px;
  color: #192d51;
}
.paper .subtitle {
  font-size: 16px;
  color: #7c8490;
  margin: 0 0 30px;
}
.paper .rule {
  height: 3px;
  width: 43px;
  background: #3769d8;
  margin-bottom: 28px;
}
.paper p {
  font-size: 13px;
  color: #576174;
  margin: 0 0 18px;
}
.paper h2 {
  font-size: 18px;
  font-weight: 600;
  color: #253e69;
  margin: 28px 0 13px;
}
.paper blockquote {
  border-left: 3px solid #5682dc;
  background: #f4f7fc;
  margin: 24px 0;
  padding: 15px 21px;
  color: #395988;
  font-size: 14px;
}
.paper .three-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
  border-top: 1px solid #e0e7f0;
  border-bottom: 1px solid #e0e7f0;
  margin: 25px 0;
  padding: 18px 0;
}
.three-columns b {
  display: block;
  font-size: 11px;
  color: #263d62;
  margin-bottom: 5px;
}
.three-columns span {
  font-size: 11px;
  color: #7a8496;
}
.paper-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #e5e9f0;
  margin-top: 47px;
  padding-top: 12px;
  font-size: 9px;
  color: #8390a5;
  letter-spacing: 1px;
}
.inspector {
  border-right: 0;
  border-left: 1px solid var(--border);
  overflow: auto;
}
.live-label {
  font-size: 9px;
  color: #4b658c;
  letter-spacing: 0.8px;
  border: 1px solid #d7e0ed;
  background: #f4f7fb;
  border-radius: 3px;
  padding: 2px 4px;
}
.inspector-section {
  padding: 15px 17px;
  border-top: 1px solid var(--border);
}
.inspector-section h2 {
  font-size: 19px;
  letter-spacing: -0.5px;
  font-weight: 550;
  margin: 8px 0;
}
.inspector-section p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin: 6px 0 15px;
}
.property-row {
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
}
.property-row strong {
  font-weight: 500;
  color: var(--text);
}
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-title button {
  font-size: 10px;
  color: var(--muted);
}
#event-stream {
  height: 146px;
  overflow: auto;
  margin-top: 10px;
}
.event-empty {
  font-size: 11px;
  color: #929aaa;
  padding-top: 9px;
}
.event-entry {
  font:
    10px/1.6 ui-monospace,
    monospace;
  margin-bottom: 9px;
  padding-left: 8px;
  border-left: 2px solid #92b1e6;
  overflow-wrap: anywhere;
}
.event-entry span {
  display: block;
  color: #8996a9;
  font-size: 9px;
}
.event-entry strong {
  font-weight: 500;
  color: var(--app-accent);
}
.usage pre {
  font:
    11px/1.65 ui-monospace,
    SFMono-Regular,
    monospace;
  background: #f4f6fa;
  border: 1px solid #e6ebf1;
  border-radius: 5px;
  padding: 11px;
  color: #426087;
  overflow: auto;
  margin: 10px 0;
}
.usage > a {
  font-size: 11px;
  color: var(--app-accent);
}
.explore-callout {
  margin: 15px 16px 20px;
  padding: 12px;
  background: #f1f5fc;
  border: 1px solid #e2eaf7;
  border-radius: 6px;
}
.explore-callout strong {
  font-size: 12px;
  font-weight: 600;
}
.explore-callout p {
  font-size: 11px;
  color: #6d7c92;
  margin: 5px 0 10px;
}
.explore-callout button {
  color: var(--app-accent);
  padding: 0;
  text-decoration: underline;
  font-size: inherit;
}
.keyboard-hint {
  font-size: 9px;
  color: #7f8aa0;
}
kbd {
  background: white;
  border: 1px solid #dce3ee;
  border-bottom-width: 2px;
  font-size: 9px;
  font-family: inherit;
  border-radius: 3px;
  padding: 1px 3px;
}
.statusbar {
  flex-shrink: 0;
  height: 30px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 10px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.statusbar > div {
  display: flex;
  align-items: center;
  gap: 13px;
}
.status-divider {
  height: 12px;
  border-left: 1px solid var(--border);
}
.statusbar input {
  width: 90px;
  height: 3px;
  accent-color: var(--app-accent);
}
.statusbar button {
  font-size: 15px;
}
.statusbar #zoom-value {
  min-width: 30px;
}
#toast {
  position: fixed;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  background: #172b4f;
  color: white;
  padding: 9px 18px;
  font-size: 12px;
  border-radius: 6px;
  box-shadow: 0 3px 20px #172b4f30;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
#toast.visible {
  opacity: 1;
}
.sheet-container {
  background: white;
  box-shadow: 0 0 0 1px #d9e0e7;
  min-height: 440px;
  overflow: auto;
  border-radius: 3px;
}
.formula-bar {
  background: white;
  border: 1px solid #dce2e9;
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  border-radius: 4px;
  height: 33px;
}
.cell-ref {
  font-size: 12px;
  text-align: center;
  min-width: 62px;
  border-right: 1px solid #ddd;
  padding: 5px;
}
.formula-bar > span:nth-child(2) {
  padding: 0 13px;
  color: #8b99a7;
  font-style: italic;
}
.formula-bar input {
  border: 0;
  outline: 0;
  flex: 1;
  min-width: 60px;
  font-size: 12px;
}
.sheet {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
  table-layout: fixed;
  font-size: 12px;
}
.sheet th {
  height: 27px;
  background: #f4f6f8;
  color: #718090;
  font-weight: 500;
}
.sheet th:first-child {
  width: 36px;
}
.sheet td,
.sheet th {
  border: 1px solid #e5e9ee;
  min-width: 90px;
}
.sheet td {
  height: 31px;
  padding: 4px 9px;
  background: white;
  outline: 0;
  color: #344253;
}
.sheet td:focus {
  box-shadow: inset 0 0 0 2px #248359;
}
.sheet .sheet-title {
  font-weight: 600;
  color: #245f47;
  background: #e8f3ed;
}
.sheet .sheet-heading {
  font-weight: 600;
  background: #f2f7f4;
  color: #32694c;
}
.sheet-tabs {
  display: flex;
  gap: 10px;
  background: #fafbfc;
  padding: 8px 14px;
  color: #31815b;
  font-size: 11px;
}
.slide-stage {
  background: white;
  width: 100%;
  max-width: 830px;
  aspect-ratio: 16/9;
  padding: 8% 8%;
  margin: 20px auto;
  box-shadow:
    0 0 0 1px #d9dfe7,
    0 4px 20px #15294d0a;
  position: relative;
  overflow: hidden;
  transform-origin: top center;
  color: #203653;
}
.slide-stage h1 {
  font-size: clamp(26px, 3.1vw, 52px);
  line-height: 1.1;
  letter-spacing: -1.5px;
  font-weight: 650;
  outline: 0;
  max-width: 480px;
  margin: 22px 0 20px;
}
.slide-stage p {
  font-size: clamp(12px, 1.2vw, 18px);
  color: #778496;
  outline: 0;
  max-width: 480px;
}
.slide-stage .eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  color: #c27345;
}
.slide-stage .slide-number {
  position: absolute;
  bottom: 22px;
  right: 28px;
  font-size: 10px;
  color: #8d98a8;
}
.slide-accent {
  height: 5px;
  width: 45px;
  background: #d88955;
  margin-bottom: 10px;
}
.slide-thumb {
  margin: 8px 14px 20px;
  width: calc(100% - 28px);
  aspect-ratio: 16/9;
  background: #fff;
  border: 1px solid #dfe3e8;
  border-radius: 3px;
  padding: 14px 12px;
  text-align: left;
  font-size: 12px;
  color: #29384e;
  box-shadow: 0 1px 4px #00000005;
}
.slide-thumb.active {
  border: 2px solid #bc6b3e;
}
.slide-thumb span {
  font-size: 9px;
  display: block;
  color: #8b99ae;
  margin-bottom: 8px;
}
.lab-note {
  font-size: 12px;
  color: var(--muted);
  padding: 10px 25px;
}
.dark {
  --surface: #202731;
  --canvas: #171d26;
  --border: #364150;
  --text: #d8e1ed;
  --muted: #9aaabd;
  color: var(--text);
  background: #171d26;
}
.dark .saved,
.dark .segmented,
.dark .usage pre,
.dark .explore-callout,
.dark .live-label {
  background: #283445;
  border-color: #394659;
  color: #aabacf;
}
.dark .outline-item.active {
  background: #2c405e;
}
.dark .usage pre {
  color: #b4c9ea;
}
.dark kbd {
  background: #344257;
  border-color: #4a5a72;
  color: #cad6e5;
}
.dark button:hover {
  background: #344257;
}
.dark .property-row strong {
  color: #d8e1ed;
}
@media (min-width: 1650px) {
  .workspace {
    grid-template-columns: 230px minmax(0, 1fr) 305px;
  }
  .paper {
    padding: 68px 72px;
  }
  .inspector-section {
    padding: 19px 22px;
  }
}
@media (max-width: 1150px) {
  .workspace {
    grid-template-columns: 175px minmax(0, 1fr) 235px;
  }
  .app-header {
    gap: 15px;
    padding: 0 14px;
  }
  .profiles button {
    padding-inline: 10px;
  }
  .header-end {
    gap: 12px;
  }
  .paper {
    padding: 40px;
  }
  .saved {
    display: none;
  }
  .inspector-section {
    padding: 13px;
  }
  .paper h1 {
    font-size: 32px;
  }
}
@media (max-width: 950px) {
  .workspace {
    grid-template-columns: 155px minmax(0, 1fr);
  }
  .inspector {
    display: none;
  }
  .header-end a:nth-child(-n + 2) {
    display: none;
  }
  .app-header {
    gap: 15px;
  }
  .paper {
    max-width: 690px;
  }
  .profiles button {
    font-size: 12px;
    padding-inline: 9px;
  }
  .navigation-bottom {
    padding: 12px;
  }
}
@media (max-width: 650px) {
  .app-header {
    height: auto;
    min-height: 52px;
    flex-wrap: wrap;
    padding: 10px 12px 0;
    gap: 10px;
  }
  .brand {
    font-size: 16px;
  }
  .profiles {
    order: 3;
    width: 100%;
    height: 38px;
  }
  .profiles button {
    flex: 1;
    justify-content: center;
  }
  .header-end {
    gap: 12px;
  }
  .header-end .avatar {
    display: none;
  }
  .document-header {
    padding: 0 12px;
    height: 48px;
  }
  .breadcrumb {
    display: none;
  }
  .document-header strong {
    font-size: 12px;
  }
  .document-actions button {
    padding: 4px 7px;
  }
  .workspace {
    display: block;
    overflow: auto;
  }
  .navigation {
    display: none;
  }
  .canvas-area {
    min-height: 100%;
  }
  .ribbon-wrap {
    padding: 5px;
  }
  .paper {
    padding: 30px 24px;
    min-height: 750px;
  }
  .paper h1 {
    font-size: 31px;
  }
  .paper .three-columns {
    gap: 10px;
  }
  .paper p {
    font-size: 13px;
  }
  #editor-mount {
    padding: 0 13px 25px;
  }
  .canvas-toolbar {
    padding: 13px 15px;
  }
  .statusbar #selection-status {
    display: none;
  }
  .statusbar {
    padding: 0 9px;
  }
  .statusbar > div {
    gap: 7px;
  }
  .statusbar input {
    width: 58px;
  }
  .statusbar #status-message {
    max-width: 100px;
    overflow: hidden;
    white-space: nowrap;
  }
  .slide-stage {
    padding: 7%;
    min-height: 230px;
    aspect-ratio: auto;
  }
  .slide-stage h1 {
    font-size: 29px;
  }
  .slide-stage p {
    font-size: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}
@media print {
  .app-header,
  .document-header,
  .ribbon-wrap,
  .navigation,
  .inspector,
  .statusbar,
  .canvas-toolbar {
    display: none !important;
  }
  .application,
  .workspace,
  .canvas-area {
    display: block;
    height: auto;
    overflow: visible;
    background: white;
  }
  #editor-mount {
    padding: 0;
  }
  .paper {
    box-shadow: none;
    width: 100%;
    padding: 0;
    transform: none !important;
  }
  .slide-stage {
    box-shadow: none;
  }
}