/* axi0 Sheets (/sheets/): the axi0 family look, as on Docs, Notes and My search. True black, Instrument Sans, the orange
   core as the one accent. No inline styles in the markup (the page runs under style-src 'self'); the grid sets cell
   positions and widths from script through the CSSOM. */
@font-face {
  font-family: "Instrument Sans";
  src: url(/axi0/fonts/instrument-sans-latin-var.woff2) format("woff2");
  font-weight: 400 700;
  font-display: optional;
}
:root {
  --bg: #000; --panel: #0a0a0c; --panel2: #0d0d10; --panel-a: rgba(10, 10, 12, .9); --field: #050506; --hover: #141418; --raise: #18181d;
  --line: #1c1c21; --line1b: #1d1d23; --line2: #2a2a31; --line3b: #33333b; --line3: #3a3a42; --field-line: #2a2a31;
  --head: #fff; --ink: #f5f5f7; --ink2: #f1f1f4; --text: #d6d6dc; --text2: #c4c4cc; --icon: #b9b9c2; --soft: #b4b4bd; --soft2: #a9a9b3;
  --lede: #a3a3ad; --soft4: #9a9aa4; --mute: #8e8e98; --faint: #868692; --place: #7c7c87;
  --core: #f6a04d; --core-ink: #f6a04d; --core-hover: #ffb26a; --on-core: #000;
  --danger: #ff8f78; --danger-line: rgba(255, 143, 120, .4);
  --knob: #c8c8d0; --veil: rgba(255, 255, 255, .08); --uline: rgba(196, 196, 204, .45); --code-bg: #15151a;
  --grid-line: #1f1f25; --grid-head: #0e0e12; --grid-head-ink: #a9a9b3; --sel: rgba(246, 160, 77, .14); --sel-line: #f6a04d; --err: #ff8f78;
  color-scheme: dark;
}
html[data-axi0-theme="light"] {
  --bg: #f6f2ea; --panel: #fffdf9; --panel2: #fffdf9; --panel-a: rgba(255, 253, 249, .92); --field: #fffdf9; --hover: #efe8dc; --raise: #ece5d8;
  --line: #e6dfd3; --line1b: #e6dfd3; --line2: #d3cabb; --line3b: #b9ae9c; --line3: #8a8174; --field-line: #8a8174;
  --head: #17140f; --ink: #17140f; --ink2: #1f1b16; --text: #2c2823; --text2: #3d3730; --icon: #4f4940; --soft: #4a433b; --soft2: #50483f;
  --lede: #4f4940; --soft4: #5d554b; --mute: #675f54; --faint: #675f54; --place: #6f665a;
  --core-ink: #9a4a0a; --danger: #b3261e; --danger-line: rgba(179, 38, 30, .4);
  --knob: #6f665a; --veil: rgba(60, 40, 20, .07); --uline: rgba(61, 55, 48, .45); --code-bg: #f1ece2;
  --grid-line: #e3dccf; --grid-head: #f3eee4; --grid-head-ink: #5d554b; --sel: rgba(246, 160, 77, .18); --sel-line: #c4660f; --err: #b3261e;
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  html:not([data-axi0-theme="dark"]) {
    --bg: #f6f2ea; --panel: #fffdf9; --panel2: #fffdf9; --panel-a: rgba(255, 253, 249, .92); --field: #fffdf9; --hover: #efe8dc; --raise: #ece5d8;
    --line: #e6dfd3; --line1b: #e6dfd3; --line2: #d3cabb; --line3b: #b9ae9c; --line3: #8a8174; --field-line: #8a8174;
    --head: #17140f; --ink: #17140f; --ink2: #1f1b16; --text: #2c2823; --text2: #3d3730; --icon: #4f4940; --soft: #4a433b; --soft2: #50483f;
    --lede: #4f4940; --soft4: #5d554b; --mute: #675f54; --faint: #675f54; --place: #6f665a;
    --core-ink: #9a4a0a; --danger: #b3261e; --danger-line: rgba(179, 38, 30, .4);
    --knob: #6f665a; --veil: rgba(60, 40, 20, .07); --uline: rgba(61, 55, 48, .45); --code-bg: #f1ece2;
    --grid-line: #e3dccf; --grid-head: #f3eee4; --grid-head-ink: #5d554b; --sel: rgba(246, 160, 77, .18); --sel-line: #c4660f; --err: #b3261e;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; min-height: 100vh; color: var(--text); background: var(--bg);
  font: 15px/1.55 "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased;
}
a { color: var(--core-ink); text-underline-offset: 3px; }
::selection { background: rgba(246, 160, 77, .35); }
[hidden] { display: none !important; }
.is-locked .when-unlocked, .is-unlocked .when-locked { display: none !important; }
.sr { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 8px 14px; border-radius: 999px; background: var(--core); color: var(--on-core); font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--core-ink); outline-offset: 2px; }

/* ---- header (the same block as Notes; launcher.css sets the shared geometry) ------------------------------------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1080px; margin: 0 auto; padding: 22px 20px 8px; }
.mark { display: inline-flex; align-items: baseline; gap: .12em; color: var(--head); text-decoration: none; font-size: 26px; font-weight: 600; letter-spacing: -.045em; white-space: nowrap; }
.mark-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--core); box-shadow: 0 0 9px var(--core); transform: translateY(-2px); }
.mark-s { color: var(--mute); font-weight: 500; }
.top-right { display: flex; align-items: center; gap: 14px; }
.me-slot { position: relative; flex: none; width: 36px; height: 36px; }
.me-slot:empty { display: none; }

/* ---- layout ------------------------------------------------------------------------------------------------- */
main { max-width: 1400px; margin: 0 auto; padding: 4px 20px 24px; }
h1 { margin: 22px 0 8px; color: var(--head); font-size: clamp(32px, 5vw, 44px); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; }
.lede { max-width: 50em; margin: 0; color: var(--lede); }
.is-unlocked h1, .has-books h1 { margin-top: 12px; font-size: 30px; }
.is-unlocked .lede, .has-books .lede { font-size: 14px; }
.card { margin-top: 18px; padding: 22px 24px 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
h2 { margin: 0 0 12px; color: var(--head); font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
h3 { margin: 22px 0 6px; color: var(--head); font-size: 15px; font-weight: 600; }
.card > p { margin: 0 0 10px; }
.mode { margin: 14px 0 0; color: var(--lede); font-size: 14px; }
.linkish { padding: 0; border: 0; background: none; color: var(--core-ink); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.linkish:hover { color: var(--head); }

/* ---- form controls ------------------------------------------------------------------------------------------- */
label { display: block; margin: 16px 0 6px; color: var(--head); font-size: 14px; }
label.inline { display: inline; margin: 0; color: var(--text); }
/* :where() keeps these at zero specificity, so the grid's own fields (name box, formula bar, cell editor, find) win */
:where(input[type="text"], input[type="search"], select) {
  width: 100%; min-height: 42px; padding: 9px 13px; border: 1px solid var(--field-line); border-radius: 12px;
  background: var(--field); color: var(--head); font: inherit; font-size: 15px;
}
select { width: auto; min-width: 120px; }
input::placeholder { color: var(--place); }
:where(input[type="text"], input[type="search"], select):focus { outline: none; border-color: var(--core); box-shadow: 0 0 0 3px rgba(246, 160, 77, .18); }
.hint { margin: 6px 0 0; color: var(--mute); font-size: 13px; }
.error { margin: 6px 0 0; color: var(--danger); font-size: 13px; }
.error:empty, .note:empty { display: none; }
.note { margin: 8px 0 0; color: var(--core-ink); font-size: 13px; }
.warn { color: var(--head); }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; }
.row.tight { flex-wrap: nowrap; margin-top: 0; }
.row.tight input { flex: 1 1 auto; min-width: 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 0 16px; margin: 0;
  border: 1px solid var(--line2); border-radius: 999px; background: var(--panel); color: var(--head); font: inherit; font-size: 14px;
  white-space: nowrap; cursor: pointer; transition: border-color .15s, background .15s;
}
.btn:hover { border-color: rgba(246, 160, 77, .7); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { border-color: var(--core); background: var(--core); color: var(--on-core); font-weight: 600; }
.btn.primary:hover { background: var(--core-hover); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.small { min-height: 34px; padding: 0 12px; font-size: 13px; }
.btn.file { position: relative; overflow: hidden; }
.btn.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; font-size: 0; }
.btn.file:focus-within { outline: 2px solid var(--core-ink); outline-offset: 2px; }
.check { display: inline-flex; align-items: center; gap: 9px; margin: 0; font-size: 14px; color: var(--text); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--core); }
summary.btn { list-style: none; }
summary.btn::-webkit-details-marker { display: none; }
.menu { position: relative; }
.menu-list { position: absolute; top: 40px; right: 0; z-index: 30; min-width: 210px; padding: 6px; border: 1px solid var(--line2); border-radius: 14px; background: var(--panel); box-shadow: 0 18px 50px rgba(0, 0, 0, .35); }
.menu-item { display: block; width: 100%; padding: 9px 12px; border: 0; border-radius: 9px; background: none; color: var(--head); font: inherit; font-size: 14px; text-align: left; cursor: pointer; }
.menu-item:hover { background: var(--hover); }

/* ---- the Key ---------------------------------------------------------------------------------------------- */
.key .new { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.key .new h3 { margin-top: 0; }
.key .new p { margin: 0 0 12px; }
.keytext { margin: 10px 0 0; padding: 14px 16px; border: 1px dashed rgba(246, 160, 77, .55); border-radius: 12px; background: rgba(246, 160, 77, .05);
  color: var(--head); font: 15px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .02em; overflow-wrap: anywhere; user-select: all; }

/* ---- the app ------------------------------------------------------------------------------------------------ */
.app { margin-top: 16px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); overflow: hidden; }
.bookbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.bookpick { flex: 0 1 280px; min-width: 140px; min-height: 36px; padding: 5px 32px 5px 12px; font-size: 15px; font-weight: 600; }
.acts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.toolbar { display: flex; align-items: center; gap: 4px; padding: 6px 10px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin; }
.tb { display: inline-flex; align-items: center; justify-content: center; flex: none; min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid transparent; border-radius: 8px; background: none; color: var(--soft); font: inherit; font-size: 13px; white-space: nowrap; cursor: pointer; }
.tb svg { width: 18px; height: 18px; }
.tb:hover { background: var(--hover); color: var(--head); }
.tb:disabled { opacity: .4; cursor: default; background: none; }
.tb[aria-pressed="true"] { border-color: var(--core); color: var(--core-ink); }
.tb-sep { flex: none; width: 1px; height: 20px; margin: 0 4px; background: var(--line2); }
.tb-select { flex: none; min-width: 112px; min-height: 32px; padding: 3px 28px 3px 10px; border-radius: 8px; font-size: 13px; }
.tb-find { flex: none; width: 150px; min-height: 32px; margin-left: auto; padding: 3px 10px; border-radius: 8px; font-size: 13px; }
.fbar { display: flex; align-items: center; gap: 0; border-bottom: 1px solid var(--line); background: var(--panel2); }
.name-box { flex: none; width: 110px; min-height: 34px; padding: 4px 10px; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; font-size: 13px; font-weight: 600; text-align: center; }
.fx-mark { flex: none; padding: 0 8px 0 10px; color: var(--mute); font: italic 13px ui-serif, Georgia, serif; }
.fx { flex: 1 1 auto; min-width: 0; min-height: 34px; padding: 4px 10px; border: 0; border-radius: 0; background: transparent; font: 14px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.name-box:focus, .fx:focus { box-shadow: inset 0 -2px 0 var(--core); }

/* ---- the grid --------------------------------------------------------------------------------------------------- */
.gridwrap { position: relative; height: max(420px, calc(100vh - 420px)); background: var(--panel); }
.scroller { position: relative; width: 100%; height: 100%; overflow: auto; outline: none; overscroll-behavior: contain; }
/* keyboard focus on the grid: a whole frame above the sticky headers (an inset shadow on the scroller hid under them) */
.gridwrap:has(.scroller:focus-visible)::after { content: ""; position: absolute; inset: 0; z-index: 7; border: 2px solid var(--core-ink); pointer-events: none; }
.sheet { position: relative; }
.colhead { position: sticky; top: 0; z-index: 3; height: 28px; background: var(--grid-head); border-bottom: 1px solid var(--line2); }
.colhead.frozen { height: 54px; }
.corner { position: sticky; left: 0; z-index: 4; display: block; width: 48px; height: 28px; background: var(--grid-head); border-right: 1px solid var(--line2); border-bottom: 1px solid var(--line2); }
.hrow { position: absolute; left: 0; top: 0; height: 28px; }
.ch { position: absolute; top: 0; height: 28px; overflow: hidden; padding: 0 4px; border-right: 1px solid var(--grid-line); color: var(--grid-head-ink); font-size: 12px; font-weight: 600; line-height: 27px; text-align: center; white-space: nowrap; user-select: none; }
.ch.on { color: var(--core-ink); background: var(--sel); }
.ch .grip { position: absolute; top: 0; right: -4px; width: 9px; height: 100%; cursor: col-resize; touch-action: none; }
.ch .grip:hover { background: var(--core); opacity: .6; }
.frow { position: absolute; left: 0; top: 28px; height: 26px; background: var(--panel); border-bottom: 2px solid var(--line3b); }
.rowhead { position: sticky; left: 0; z-index: 2; width: 48px; background: var(--grid-head); border-right: 1px solid var(--line2); }
.rh { position: absolute; left: 0; width: 48px; height: 26px; overflow: hidden; color: var(--grid-head-ink); font-size: 12px; line-height: 25px; text-align: center; border-bottom: 1px solid var(--grid-line); user-select: none; }
.rh.on { color: var(--core-ink); background: var(--sel); }
.cells { position: absolute; top: 28px; left: 0; }
.r { position: absolute; left: 0; height: 26px; }
.c { position: absolute; top: 0; height: 26px; overflow: hidden; padding: 0 5px; border-right: 1px solid var(--grid-line); border-bottom: 1px solid var(--grid-line); color: var(--ink2); font-size: 13.5px; line-height: 25px; white-space: nowrap; text-overflow: clip; cursor: cell; }
.c.n { text-align: right; font-variant-numeric: tabular-nums; }
.c.b { text-align: center; }
.c.e { color: var(--err); font-weight: 600; }
.c.f { font-weight: 600; }
.sel { position: absolute; z-index: 1; display: none; background: var(--sel); border: 1px solid var(--sel-line); pointer-events: none; }
.cur { position: absolute; z-index: 1; display: none; border: 2px solid var(--sel-line); pointer-events: none; }
.handle { position: absolute; z-index: 5; display: none; width: 9px; height: 9px; background: var(--sel-line); border: 1px solid var(--panel); cursor: crosshair; touch-action: none; }
.is-dragging .c, .is-dragging .ch, .is-dragging .rh { cursor: inherit; }
.editor { position: absolute; z-index: 6; min-height: 26px; padding: 0 5px; border: 2px solid var(--sel-line); border-radius: 0; background: var(--panel); color: var(--head); font: 13.5px "Instrument Sans", system-ui, sans-serif; line-height: 22px; box-shadow: 0 4px 18px rgba(0, 0, 0, .25); }
.editor:focus { outline: none; box-shadow: 0 4px 18px rgba(0, 0, 0, .25); border-color: var(--sel-line); }
.tabs { display: flex; align-items: center; gap: 4px; min-height: 42px; padding: 4px 10px; border-top: 1px solid var(--line); background: var(--panel2); overflow-x: auto; scrollbar-width: thin; }
.tablist { display: flex; align-items: center; gap: 2px; flex: none; }
.tab { flex: none; min-height: 32px; padding: 0 14px; border: 1px solid transparent; border-radius: 8px; background: none; color: var(--soft); font: inherit; font-size: 13px; white-space: nowrap; cursor: pointer; }
.tab:hover { background: var(--hover); color: var(--head); }
.tab[aria-selected="true"] { background: var(--panel); border-color: var(--line2); color: var(--head); font-weight: 600; box-shadow: inset 0 -2px 0 var(--core); }
.rename { min-height: 34px; padding: 4px 10px; border-radius: 8px; font-size: 14px; }
.app.is-drop { border-color: var(--core); box-shadow: 0 0 0 3px rgba(246, 160, 77, .18); }
.hint-k { flex: none; margin-left: auto; padding-left: 12px; color: var(--faint); font-size: 12px; white-space: nowrap; }

/* ---- status, undo, footer -------------------------------------------------------------------------------- */
.sync { display: flex; align-items: center; gap: 8px; min-height: 22px; margin: 12px 0 0; color: var(--mute); font-size: 13px; }
.sync::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--line3); flex: none; }
.sync:empty::before { display: none; }
.sync.is-ok::before { background: var(--core); box-shadow: 0 0 7px rgba(246, 160, 77, .8); }
.sync.is-busy::before { background: var(--icon); }
.sync.is-bad { color: var(--danger); }
.sync.is-bad::before { background: var(--danger); }
.undo-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 10px 0 0; padding: 10px 12px 10px 16px; border: 1px solid var(--line2); border-radius: 14px; color: var(--head); font-size: 14px; }
.undo-bar .btn { min-height: 34px; }
.foot { max-width: 1400px; margin: 0 auto; padding: 4px 20px 44px; color: var(--faint); font-size: 12.5px; }
.foot p { margin: 0 0 6px; max-width: 60em; }
.foot a { color: var(--text2); text-decoration: underline; text-decoration-color: var(--uline); }
.foot a:hover { text-decoration-color: currentColor; }
.locker { margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.locker .row { margin-top: 8px; }
.locker .btn { min-height: 36px; font-size: 13px; }
.locker select { min-height: 36px; padding: 5px 10px; font-size: 13px; }
.meter { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.meter-bar { display: inline-block; width: 140px; height: 6px; overflow: hidden; border-radius: 999px; background: var(--line1b); }
.meter-fill { display: block; width: 0; height: 100%; border-radius: 999px; background: var(--core); }
.meter-fill.is-full { background: var(--danger); }
.print { display: none; }

@media (max-width: 760px) {
  .gridwrap { height: max(300px, calc(100dvh - 330px)); }
  .hint-k { display: none; }
  .tb-find { width: 120px; }
}
@media (max-width: 600px) {
  .top { padding: 16px 16px 4px; }
  .mark { font-size: 22px; }
  .top { flex-wrap: wrap; gap: 4px 12px; padding-bottom: 2px; }
  .mark { margin-right: auto; }
  .top-right { display: contents; }
  main { padding: 0 10px 20px; }
  .card { padding: 18px 16px 20px; border-radius: 18px; }
  .row.tight { flex-wrap: wrap; }
  .row.tight input { flex-basis: 100%; }
  .app { border-radius: 16px; }
  .bookbar { flex-wrap: nowrap; gap: 8px; padding: 8px; overflow-x: auto; scrollbar-width: thin; }
  .bookpick { flex: 0 0 150px; min-width: 150px; }
  .acts { flex-wrap: nowrap; margin-left: 0; }
  .toolbar { padding: 6px 8px; }
  .name-box { width: 84px; }
  .foot { padding: 4px 16px 36px; }
  .menu-list { right: -8px; }
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }

/* ---- print: the current sheet as a table ------------------------------------------------------------------------- */
@media print {
  html, body { background: #fff; color: #000; }
  body > header, body > footer, main > .intro, .mode, .card, .app, .sync, .undo-bar, #axi0-apps-panel { display: none !important; }
  main { max-width: none; padding: 0; }
  .print { display: block; }
  .print h2 { margin: 0 0 8px; color: #000; font-size: 16px; }
  .print table { border-collapse: collapse; font-size: 11px; }
  .print th, .print td { padding: 2px 6px; border: 1px solid #999; color: #000; text-align: left; white-space: nowrap; }
  .print th { background: #eee; font-weight: 600; }
  .print td.n { text-align: right; }
  .print tr { break-inside: avoid; }
}