.spreadsheet-window .window-content {
  min-height: 0;
  gap: 0.55rem;
  padding: 0.75rem;
  overflow: hidden;
}

.spreadsheet-toolbar,
.spreadsheet-formula-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
}

.spreadsheet-toolbar {
  flex-wrap: nowrap;
  overflow-x: auto;
}

.spreadsheet-toolbar .spreadsheet-icon-button {
  display: inline-flex;
  width: 34px;
  min-width: 34px;
  height: 34px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
}

.spreadsheet-icon-button svg {
  display: block;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.spreadsheet-popover {
  position: fixed;
  inset: auto;
  z-index: 10000;
  display: grid;
  width: min(300px, calc(100vw - 16px));
  gap: 0.5rem;
  margin: 0;
  padding: 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  color: #26364b;
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.24);
  font-size: 0.85rem;
}

.spreadsheet-popover[hidden] {
  display: none;
}

@supports selector(:popover-open) {
  .spreadsheet-popover[popover]:not(:popover-open) {
    display: none;
  }
}

.spreadsheet-popover[popover] {
  position: fixed;
  inset: auto;
}

.spreadsheet-popover > p {
  margin: 0;
  color: #526176;
}

.spreadsheet-popover > button {
  width: 100%;
  min-height: 36px;
  padding: 0.45rem 0.55rem;
  border: 1px solid #d4dce8;
  border-radius: 5px;
  color: #26364b;
  background: #f8fafc;
  text-align: left;
  cursor: pointer;
}

.spreadsheet-popover > button:hover,
.spreadsheet-popover > button:focus-visible {
  border-color: #6b9ed8;
  background: #eff6ff;
}

.spreadsheet-popover > button[data-spreadsheet-function] {
  display: grid;
  gap: 0.15rem;
}

.spreadsheet-popover > button[data-spreadsheet-function] span {
  color: #526176;
  font-size: 0.78rem;
}

.spreadsheet-font-menu {
  grid-template-columns: minmax(80px, 1fr) minmax(100px, 1.4fr);
  align-items: center;
}

.spreadsheet-font-menu strong {
  grid-column: 1 / -1;
}

.spreadsheet-font-menu select,
.spreadsheet-font-menu input[type="number"] {
  width: 100%;
  min-width: 0;
  min-height: 32px;
}

.spreadsheet-font-menu input[type="color"] {
  width: 100%;
  height: 32px;
  padding: 2px;
}

.spreadsheet-font-menu .spreadsheet-font-checkbox {
  grid-column: 1 / -1;
}

.spreadsheet-save-menu strong {
  margin-bottom: 0.15rem;
}

.spreadsheet-save-note {
  margin: 0;
  color: #526176;
  font-size: 0.76rem;
}

.spreadsheet-toolbar .btn {
  flex: 0 0 auto;
  width: auto;
  min-width: 0;
  min-height: 36px;
  white-space: nowrap;
}

.spreadsheet-zoom-controls {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.25rem;
}

.spreadsheet-zoom-controls span {
  min-width: 3.2rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.spreadsheet-name {
  width: min(220px, 100%);
  min-width: 0;
  flex: 0 1 220px;
  margin-right: auto;
  padding: 0.45rem 0.6rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  color: #1e293b;
  background: #fff;
  font: inherit;
}

.spreadsheet-formula-bar {
  min-height: 38px;
  padding: 0.25rem 0.5rem;
  border: 1px solid #cbd5e1;
  border-radius: 5px;
  background: #fff;
}

.spreadsheet-selected-cell {
  min-width: 45px;
  color: #3566a5;
  font-weight: 700;
  text-align: center;
}

.spreadsheet-formula-mark {
  color: #64748b;
  font-weight: 700;
}

.spreadsheet-formula {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  color: #1e293b;
  background: transparent;
  font: inherit;
}

.window-content input.spreadsheet-formula {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.spreadsheet-grid {
  flex: 1;
  min-height: 120px;
  overflow: auto;
  border: 1px solid #cbd5e1;
  border-radius: 5px;
  background: #fff;
}

.spreadsheet-table {
  width: max-content;
  min-width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  color: #1e293b;
  font: 0.86rem/1.25 Arial, sans-serif;
}

.spreadsheet-table th,
.spreadsheet-table td {
  min-width: 44px;
  height: auto;
  padding: 0;
  border-right: 1px solid #d8dee8;
  border-bottom: 1px solid #d8dee8;
}

.spreadsheet-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  min-width: 44px;
  background: #edf2f8;
  color: #475569;
  font-weight: 600;
  text-align: center;
}

.spreadsheet-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 42px;
  width: 42px;
  background: #edf2f8;
  color: #64748b;
  font-weight: 500;
  text-align: center;
}

.spreadsheet-table thead th:first-child {
  z-index: 3;
}

.spreadsheet-table td {
  background: #fff;
}

.spreadsheet-cell {
  width: 100%;
  height: 100%;
  min-height: 24px;
  padding: 0 0.45rem;
  border: 0;
  outline: 0;
  color: #1e293b;
  background: transparent;
  font: inherit;
  text-align: left;
}

.window-content input.spreadsheet-cell {
  border: 0;
  border-radius: 0;
}

.spreadsheet-cell:focus,
.spreadsheet-cell.is-selected {
  position: relative;
  z-index: 1;
  outline: 2px solid #4082cc;
  outline-offset: -2px;
}

.spreadsheet-cell.is-error {
  color: #b42318;
}

.spreadsheet-status {
  min-height: 1.1rem;
  margin: 0;
  color: #64748b !important;
  font-size: 0.78rem;
}

@media (max-width: 767px) {
  .spreadsheet-window {
    min-width: 0 !important;
  }

  .spreadsheet-toolbar .btn {
    flex: 0 0 auto;
    padding: 0.4rem 0.55rem;
    font-size: 0.78rem;
  }

  .spreadsheet-toolbar {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .spreadsheet-name {
    width: 100%;
    flex: 1 0 100%;
    margin-right: 0;
  }
}

.desktop.dark-theme .spreadsheet-name,
.desktop.dark-theme .spreadsheet-formula-bar,
.desktop.dark-theme .spreadsheet-grid {
  border-color: #344b69;
  background: #0b192c;
  color: #dce8f6;
}

.desktop.dark-theme .spreadsheet-selected-cell {
  color: #9bc6fa;
}

.desktop.dark-theme .spreadsheet-formula-mark,
.desktop.dark-theme .spreadsheet-status {
  color: #9aadc6 !important;
}

.desktop.dark-theme .spreadsheet-table {
  color: #dce8f6;
}

.desktop.dark-theme .spreadsheet-table th,
.desktop.dark-theme .spreadsheet-table td {
  border-color: #2b405a;
}

.desktop.dark-theme .spreadsheet-table thead th,
.desktop.dark-theme .spreadsheet-table th:first-child {
  background: #1a304c;
  color: #bdcfe5;
}

.desktop.dark-theme .spreadsheet-table td {
  background: #0e1d32;
}

.desktop.dark-theme .window-content input.spreadsheet-formula,
.desktop.dark-theme .window-content input.spreadsheet-cell {
  border: 0;
  background: transparent !important;
  color: #e2ecf8;
}

.desktop.dark-theme .spreadsheet-cell.is-error {
  color: #ffaaa2;
}

.desktop.dark-theme .spreadsheet-popover {
  border-color: #344b69;
  color: #dce8f6;
  background: #102138;
}

.desktop.dark-theme .spreadsheet-popover > p,
.desktop.dark-theme .spreadsheet-popover > button[data-spreadsheet-function] span,
.desktop.dark-theme .spreadsheet-save-note {
  color: #9aadc6;
}

.desktop.dark-theme .spreadsheet-popover > button {
  border-color: #344b69;
  color: #dce8f6;
  background: #182b45;
}

.desktop.dark-theme .spreadsheet-popover > button:hover,
.desktop.dark-theme .spreadsheet-popover > button:focus-visible {
  border-color: #68aefa;
  background: #203956;
}

.desktop.dark-theme .spreadsheet-cell:focus,
.desktop.dark-theme .spreadsheet-cell.is-selected {
  outline-color: #68aefa;
}