/* ===========================================================================
   Sheets — a spreadsheet editor for csv/tsv files.

   Same token approach as docs.css: one `--sh-*` palette per theme so the whole
   surface flips with the host theme.
   =========================================================================== */

.gsheet {
  --sh-canvas: #ffffff;
  --sh-chrome: #ffffff;
  --sh-head: #f8f9fa;
  --sh-head-sel: #d3e3fd;
  --sh-ink: #202124;
  --sh-ink-2: #3c4043;
  --sh-muted: #5f6368;
  --sh-line: #e0e2e6;
  --sh-line-strong: #c4c7c5;
  --sh-hover: #f1f3f4;
  --sh-accent: #1a73e8;
  --sh-accent-soft: rgba(26, 115, 232, .10);
  --sh-danger: #d93025;
  --sh-row: 26px;

  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--sh-canvas);
  color: var(--sh-ink);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

[data-theme="dark"] .gsheet,
.cos-root.cos-dark .gsheet {
  --sh-canvas: #1b1d22;
  --sh-chrome: #1b1d22;
  --sh-head: #24272d;
  --sh-head-sel: #33415c;
  --sh-ink: #e8eaed;
  --sh-ink-2: #dadce0;
  --sh-muted: #9aa0a6;
  --sh-line: #34373d;
  --sh-line-strong: #4a4e55;
  --sh-hover: #2a2d33;
  --sh-accent: #8ab4f8;
  --sh-accent-soft: rgba(138, 180, 248, .14);
  --sh-danger: #f28b82;
}

/* ---------- chrome ---------- */

.sh-menubar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 8px 0;
  background: var(--sh-chrome);
  min-height: 26px;
}

.sh-menubar button {
  font: inherit;
  font-size: 12.5px;
  color: var(--sh-ink-2);
  background: none;
  border: 0;
  border-radius: 4px;
  padding: 3px 9px;
  cursor: pointer;
}

.sh-menubar button:hover,
.sh-menubar button[aria-expanded="true"] { background: var(--sh-hover); }
.sh-menubar .sh-spacer { flex: 1 1 auto; }
.sh-menubar .sh-stat { font-size: 11.5px; color: var(--sh-muted); padding-right: 6px; font-variant-numeric: tabular-nums; white-space: nowrap; }

.sh-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1px;
  padding: 3px 8px 5px;
  background: var(--sh-chrome);
  border-bottom: 1px solid var(--sh-line);
}

.sh-toolbar button {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border: 0;
  background: none;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--sh-ink-2);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
}

.sh-toolbar button:hover { background: var(--sh-hover); }
.sh-toolbar button.active { background: var(--sh-accent-soft); color: var(--sh-accent); }
.sh-toolbar button:disabled { opacity: .35; cursor: default; background: none; }
.sh-toolbar button .material-symbols-outlined { font-size: 19px; }
.sh-toolbar .sh-sep { width: 1px; height: 20px; background: var(--sh-line); margin: 0 5px; flex: 0 0 auto; }

/* ---------- formula bar ---------- */

.sh-fx {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-bottom: 1px solid var(--sh-line);
  background: var(--sh-chrome);
  flex: 0 0 auto;
}

.sh-fx .sh-ref {
  width: 96px;
  flex: 0 0 auto;
  border: 0;
  border-right: 1px solid var(--sh-line);
  background: transparent;
  color: var(--sh-ink);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  padding: 6px 4px;
}

.sh-fx .sh-fxicon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 0 9px;
  color: var(--sh-muted);
  font-style: italic;
  font-family: Georgia, serif;
  font-size: 14px;
  border-right: 1px solid var(--sh-line);
}

.sh-fx .sh-input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--sh-ink);
  font: inherit;
  font-size: 13px;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  padding: 6px 10px;
}

.sh-fx input:focus-visible { outline: 2px solid var(--sh-accent); outline-offset: -2px; }

/* ---------- grid ---------- */

.sh-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  background: var(--sh-canvas);
  position: relative;
}

.sh-table {
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  font-variant-numeric: tabular-nums;
}

.sh-table th,
.sh-table td {
  border-right: 1px solid var(--sh-line);
  border-bottom: 1px solid var(--sh-line);
  height: var(--sh-row);
  padding: 0 6px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 400;
  font-size: 13px;
  box-sizing: border-box;
}

/* column headers */
.sh-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--sh-head);
  color: var(--sh-muted);
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  user-select: none;
  cursor: pointer;
  border-bottom: 1px solid var(--sh-line-strong);
}

.sh-table thead th.sel { background: var(--sh-head-sel); color: var(--sh-ink); }

/* corner + row headers */
.sh-corner,
.sh-rh {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--sh-head);
  color: var(--sh-muted);
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  width: 46px;
  min-width: 46px;
  user-select: none;
  cursor: pointer;
  border-right: 1px solid var(--sh-line-strong);
}

.sh-corner { z-index: 4; top: 0; }
.sh-rh.sel { background: var(--sh-head-sel); color: var(--sh-ink); }

/* body cells */
.sh-table td {
  background: var(--sh-canvas);
  color: var(--sh-ink);
  cursor: cell;
}

.sh-table td.num { text-align: right; }
.sh-table td.a-left { text-align: left; }
.sh-table td.a-center { text-align: center; }
.sh-table td.a-right { text-align: right; }
.sh-table td.b { font-weight: 700; }
.sh-table td.i { font-style: italic; }
.sh-table td.err { color: var(--sh-danger); }
.sh-table td.inrange { background: var(--sh-accent-soft); }

.sh-table td.cur {
  outline: 2px solid var(--sh-accent);
  outline-offset: -2px;
  background: var(--sh-canvas);
  z-index: 1;
  position: relative;
}

/* frozen first data row */
.gsheet.sh-frozen .sh-table tbody tr.sh-first td,
.gsheet.sh-frozen .sh-table tbody tr.sh-first th {
  position: sticky;
  top: var(--sh-row);
  z-index: 2;
  background: var(--sh-head);
  font-weight: 700;
}

/* in-cell editor */
.sh-editor {
  position: absolute;
  z-index: 30;
  border: 2px solid var(--sh-accent);
  background: var(--sh-canvas);
  color: var(--sh-ink);
  font: inherit;
  font-size: 13px;
  padding: 0 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .18);
  outline: none;
  box-sizing: border-box;
  resize: none;
  overflow: hidden;
}

/* column resize grabber */
.sh-grip {
  position: absolute;
  top: 0;
  width: 7px;
  height: var(--sh-row);
  cursor: col-resize;
  z-index: 5;
}

.sh-grip:hover::after,
.sh-grip.on::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--sh-accent);
}

/* ---------- status bar ---------- */

.sh-status {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 5px 12px;
  border-top: 1px solid var(--sh-line);
  background: var(--sh-chrome);
  color: var(--sh-muted);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.sh-status b { color: var(--sh-ink-2); font-weight: 600; }
.sh-status .sh-spacer { flex: 1 1 auto; }

/* ---------- popovers (shared look with docs) ---------- */

.sh-pop {
  position: fixed;
  z-index: 9500;
  min-width: 208px;
  background: var(--sh-chrome);
  border: 1px solid var(--sh-line-strong);
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .18), 0 8px 24px rgba(0, 0, 0, .18);
  padding: 6px 0;
  font-size: 13px;
  color: var(--sh-ink);
  max-height: min(70vh, 520px);
  overflow: auto;
}

.sh-pop .sh-mi {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 14px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.sh-pop .sh-mi:hover { background: var(--sh-hover); }
.sh-pop .sh-mi[disabled] { opacity: .4; cursor: default; background: none; }
.sh-pop .sh-mi .material-symbols-outlined { font-size: 18px; color: var(--sh-muted); flex: 0 0 auto; }
.sh-pop .sh-mi.on .material-symbols-outlined { color: var(--sh-accent); }
.sh-pop .sh-mi .sh-key { margin-left: auto; color: var(--sh-muted); font-size: 11.5px; padding-left: 20px; }
.sh-pop hr { border: 0; border-top: 1px solid var(--sh-line); margin: 5px 0; }
.sh-pop .sh-note { padding: 6px 14px 8px; color: var(--sh-muted); font-size: 11.5px; line-height: 1.5; }

@media (prefers-reduced-motion: reduce) {
  .gsheet *, .gsheet *::before, .gsheet *::after { transition-duration: .01ms !important; }
}