/* Layout: a single phone-width column of cards, a sticky model bar on top, a fixed five-tab bar at the bottom. */
:root {
  --bg: #ECEFEB; --surface: #FFFFFF; --sunk: #F5F7F4; --ink: #162022; --muted: #5A6663; --line: #D3D9D4;
  --accent: #1E6B61; --accent-ink: #FFFFFF; --accent-soft: #DCEBE6; --ember: #B85A24; --ember-soft: #F4E3D6;
  --bad: #B3261E; --bad-soft: #FBE7E4; --good: #2D7A4C;
  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r: 14px;
  --syn-key: #1E6B61; --syn-meta: #7A4BA8; --syn-fn: #2453B5; --syn-name: #162022; --syn-inc: #B85A24; --syn-num: #A4462A; --syn-op: #8A6A00; --syn-str: #3D7A2E; --syn-comment: #7C8784;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0F1514; --surface: #18201F; --sunk: #131A19; --ink: #E4EBE8; --muted: #95A39F; --line: #2A3532;
  --accent: #5BBFAE; --accent-ink: #08201C; --accent-soft: #1C3530; --ember: #E58C55; --ember-soft: #3A2518;
  --bad: #FF8A7F; --bad-soft: #3B1A17; --good: #6CD39A;
  --syn-key: #6FCCBB; --syn-meta: #C29BEA; --syn-fn: #8DB4FF; --syn-name: #E4EBE8; --syn-inc: #F0A06E; --syn-num: #F29D80; --syn-op: #E8C55A; --syn-str: #9BD58A; --syn-comment: #7F8D8A;
  color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #0F1514; --surface: #18201F; --sunk: #131A19; --ink: #E4EBE8; --muted: #95A39F; --line: #2A3532;
  --accent: #5BBFAE; --accent-ink: #08201C; --accent-soft: #1C3530; --ember: #E58C55; --ember-soft: #3A2518;
  --bad: #FF8A7F; --bad-soft: #3B1A17; --good: #6CD39A;
  --syn-key: #6FCCBB; --syn-meta: #C29BEA; --syn-fn: #8DB4FF; --syn-name: #E4EBE8; --syn-inc: #F0A06E; --syn-num: #F29D80; --syn-op: #E8C55A; --syn-str: #9BD58A; --syn-comment: #7F8D8A;
  color-scheme: dark }

* { box-sizing: border-box }
[hidden] { display: none !important }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 15px; line-height: 1.45; -webkit-text-size-adjust: 100% }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--surface) }
button, input, select, textarea { font: inherit; color: inherit }
button { cursor: pointer }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px }
.mono { font-family: var(--f-mono) }
.num { font-variant-numeric: tabular-nums }

.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--surface); border-bottom: 1px solid var(--line);
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 10px }
.top-in { max-width: 640px; margin: 0 auto; display: flex; align-items: center; gap: 12px }
.brand { min-width: 0; flex: 1 }
.brand h1 { margin: 0; font-family: var(--f-display); font-size: 19px; line-height: 1.15; letter-spacing: -0.01em; text-wrap: balance; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
.brand p { margin: 1px 0 0; color: var(--muted); font-size: 12.5px; font-family: var(--f-mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis }
.status { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); background: var(--sunk); border-radius: 999px; padding: 6px 11px; font-size: 12.5px; white-space: nowrap }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); flex: none }
.status.has-errors { border-color: var(--bad); background: var(--bad-soft); color: var(--bad) }
.status.has-errors .dot { background: var(--bad) }

main { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 14px calc(96px + env(safe-area-inset-bottom, 0px)) }
.view { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px }
.view > * { min-width: 0 }

.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; background: var(--surface); border-top: 1px solid var(--line);
  padding-left: max(8px, env(safe-area-inset-left, 0px)); padding-right: max(8px, env(safe-area-inset-right, 0px)); padding-bottom: env(safe-area-inset-bottom, 0px) }
.tabs-in { max-width: 640px; margin: 0 auto; display: grid; grid-template-columns: repeat(6, 1fr) }
.tab { background: none; border: 0; padding: 8px 2px 9px; display: flex; flex-direction: column; align-items: center; gap: 3px; color: var(--muted); font-size: 11.5px; font-weight: 500 }
.tab svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round }
.tab[aria-current="page"] { color: var(--accent) }

.eyebrow { display: flex; align-items: baseline; gap: 8px; margin: 6px 2px -4px }
.eyebrow h2 { margin: 0; font-family: var(--f-mono); font-size: 13.5px; font-weight: 500; letter-spacing: 0.01em }
.eyebrow .tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted) }
.eyebrow .inc { font-size: 11px; color: var(--ember); background: var(--ember-soft); border-radius: 6px; padding: 1px 6px; font-family: var(--f-mono) }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r) }
.stack { display: flex; flex-direction: column }
.stack > .row + .row { border-top: 1px solid var(--line) }
.row { padding: 12px 14px; min-width: 0 }
.lead { margin: 0; color: var(--muted); font-size: 14px; max-width: 62ch }
.note { font-size: 12.5px; color: var(--muted); margin: 0 }

/* inputs */
.inp-head { display: flex; align-items: center; gap: 10px }
.inp-name { flex: 1; min-width: 0; font-family: var(--f-mono); font-size: 13.5px; overflow-wrap: anywhere }
.inp-hint { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums }
.field { width: 104px; text-align: right; padding: 7px 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--sunk); font-family: var(--f-mono); font-size: 15px; font-variant-numeric: tabular-nums }
.field:disabled { opacity: 1; color: var(--ember); border-color: var(--ember); background: var(--ember-soft) }
input[type="range"] { width: 100%; margin: 10px 0 2px; accent-color: var(--accent); height: 26px }
input[type="range"]:disabled { accent-color: var(--ember) }
.by-scn { margin-top: 4px; font-size: 12px; color: var(--ember) }

/* results */
.res-name { font-family: var(--f-mono); font-size: 13px; color: var(--muted); overflow-wrap: anywhere }
.res-val { font-family: var(--f-display); font-size: 27px; font-weight: 600; line-height: 1.15; margin-top: 2px; font-variant-numeric: tabular-nums; letter-spacing: -0.01em }
.res-val.neg { color: var(--ember) }
.formula { margin-top: 4px; font-family: var(--f-mono); font-size: 12px; color: var(--muted); overflow-wrap: anywhere }
.err .res-val { color: var(--bad); font-family: var(--f-body); font-size: 15px; font-weight: 600 }
.err { background: var(--bad-soft) }
.err-msg { color: var(--bad); font-size: 13.5px; margin-top: 4px }

/* tables */
.col { display: grid; grid-template-columns: minmax(0, 1fr) 96px; gap: 4px 12px; align-items: center; background: none; border: 0; width: 100%; text-align: left; padding: 11px 14px }
.col-name { font-family: var(--f-mono); font-size: 13.5px; overflow-wrap: anywhere }
.col-meta { grid-column: 1 / -1; font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; font-variant-numeric: tabular-nums }
.col .formula { grid-column: 1 / -1; margin-top: 0 }
.spark { width: 96px; height: 30px; display: block }
.vals { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 2px 14px; padding: 2px 14px 12px; font-size: 13px; font-variant-numeric: tabular-nums }
.vals span { display: flex; justify-content: space-between; gap: 6px; border-bottom: 1px dotted var(--line); padding: 3px 0 }
.vals i { color: var(--muted); font-style: normal; font-family: var(--f-mono); font-size: 11.5px }

/* scenarios */
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px 1px 4px; scrollbar-width: none }
.chips::-webkit-scrollbar { display: none }
.chip { flex: none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 7px 12px; font-size: 13px; display: inline-flex; gap: 6px; align-items: baseline }
.chip small { color: var(--muted); font-variant-numeric: tabular-nums }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent) }
.chip[aria-pressed="true"] small { color: inherit; opacity: .8 }
.scn-desc { font-size: 13px; color: var(--muted); margin: 2px 2px 0 }

@keyframes pulse { from { box-shadow: inset 0 0 0 999px var(--accent-soft) } to { box-shadow: inset 0 0 0 999px transparent } }
.pulse { animation: pulse .9s ease-out }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none } }

/* buttons */
.btn { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 9px 14px; font-weight: 500; font-size: 14px }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent) }
.btn.warn { color: var(--bad); border-color: var(--bad) }
.btn:disabled { opacity: .5; cursor: default }
.btns { display: flex; flex-wrap: wrap; gap: 8px; align-items: center }

/* yaml */
.seg { display: flex; gap: 6px; flex-wrap: wrap }
.editor { width: 100%; min-height: 56vh; resize: vertical; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); padding: 12px; font-family: var(--f-mono); font-size: 13px; line-height: 1.55; white-space: pre; overflow: auto; tab-size: 2 }
.msg { font-size: 13.5px; padding: 9px 12px; border-radius: 10px; background: var(--accent-soft) }
.msg.bad { background: var(--bad-soft); color: var(--bad) }

/* forms */
label.lab { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px }
select.sel, input.txt { width: 100%; padding: 8px 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--sunk); font-size: 14px }
input.txt { font-family: var(--f-mono); font-variant-numeric: tabular-nums }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px }
.plan-row { display: flex; flex-direction: column; gap: 8px }
.plan-top { display: flex; gap: 8px; align-items: end }
.plan-top > div { flex: 1; min-width: 0 }
.x { border: 0; background: none; color: var(--muted); font-size: 20px; line-height: 1; padding: 6px 4px }

/* stats + charts */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px }
.stat { background: var(--sunk); border-radius: 10px; padding: 8px 9px; min-width: 0 }
.stat b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .06em }
.stat span { font-family: var(--f-display); font-weight: 600; font-size: 16.5px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere }
@media (max-width: 400px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)) } }
.chart { width: 100%; height: auto; display: block }
.chart text { fill: var(--muted); font-family: var(--f-body); font-size: 11px }
.tor { display: flex; flex-direction: column; gap: 10px }
.tor-row { display: grid; gap: 3px }
.tor-name { font-family: var(--f-mono); font-size: 12.5px; display: flex; justify-content: space-between; gap: 8px }
.tor-name span:last-child { color: var(--muted); font-family: var(--f-body); font-variant-numeric: tabular-nums }
.tor-track { position: relative; height: 18px; background: var(--sunk); border-radius: 4px }
.tor-bar { position: absolute; top: 0; bottom: 0; border-radius: 3px }
.tor-axis { position: absolute; top: -3px; bottom: -3px; width: 1.5px; background: var(--ink) }
.tor-ends { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums }

/* mcp */
.tool { border: 0; background: none; width: 100%; text-align: left; padding: 11px 14px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 3px 10px; align-items: center }
.tool-name { font-family: var(--f-mono); font-size: 13.5px; font-weight: 500; overflow-wrap: anywhere }
.tool-desc { grid-column: 1 / -1; font-size: 13px; color: var(--muted) }
.pill { font-size: 11px; border-radius: 999px; padding: 2px 8px; white-space: nowrap; border: 1px solid var(--line); color: var(--muted) }
.pill.live { background: var(--accent-soft); color: var(--accent); border-color: transparent }
.tool-body { padding: 0 14px 14px; display: flex; flex-direction: column; gap: 10px }
pre.code { margin: 0; background: var(--sunk); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-family: var(--f-mono); font-size: 12px; line-height: 1.5; overflow-x: auto; max-height: 340px; overflow-y: auto; white-space: pre }
.sub { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 }

/* files + sheet grid */
.file { display: flex; align-items: center; gap: 10px }
.file > div { flex: 1; min-width: 0 }
.file b { font-family: var(--f-mono); font-weight: 500; font-size: 14px; overflow-wrap: anywhere }
.scroll-x { overflow-x: auto }
table.sheet { border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; min-width: 100% }
table.sheet th, table.sheet td { border: 1px solid var(--line); padding: 4px 7px; text-align: right; white-space: nowrap }
table.sheet th { background: var(--sunk); font-family: var(--f-mono); font-weight: 500; text-align: left }
table.sheet td.rh { background: var(--sunk); color: var(--muted); text-align: center }
input[type="file"] { font-size: 13px; max-width: 100% }

/* error sheet */
.sheet-bg { position: fixed; inset: 0; z-index: 20; background: rgb(0 0 0 / .35); display: flex; align-items: flex-end; justify-content: center }
.sheet-panel { background: var(--surface); width: 100%; max-width: 640px; max-height: 75vh; overflow: auto; border-radius: 18px 18px 0 0;
  padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); padding-block: 16px calc(20px + env(safe-area-inset-bottom, 0px)) }
.sheet-panel h3 { margin: 0 0 8px; font-family: var(--f-display); font-size: 19px }
.sheet-panel ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 14px }

/* title button + examples */
button.brand { background: none; border: 0; padding: 0; text-align: left; display: block }
.brand-row { display: flex; align-items: center; gap: 4px; min-width: 0 }
.brand-row h1 { min-width: 0 }
.brand-row svg { width: 18px; height: 18px; flex: none; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round }
button.ex { border: 0; background: none; width: 100%; text-align: left; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; align-items: center }
button.ex b { font-family: var(--f-display); font-weight: 600; font-size: 16px }
button.ex .note { grid-column: 1 / -1 }
.unit { font-family: var(--f-body); font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 0 4px; vertical-align: 2px; letter-spacing: .04em }

/* report and scenario tables */
table.report { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums }
table.report th, table.report td { padding: 8px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line) }
table.report thead th { font-family: var(--f-mono); font-weight: 500; font-size: 11.5px; color: var(--muted); background: var(--sunk) }
table.report thead th.in { color: var(--ember) }
table.report tbody th, table.report tfoot th, table.report thead th:first-child { text-align: left; font-family: var(--f-mono); font-weight: 500; position: sticky; left: 0; background: var(--surface) }
table.report thead th:first-child { background: var(--sunk) }
table.report tbody tr:last-child > * { border-bottom: 0 }
table.report tfoot > tr > * { border-top: 1px solid var(--ink); border-bottom: 0; font-weight: 600 }
table.report td.neg { color: var(--ember) }
table.report td.bad { color: var(--bad) }

/* analyze */
.jump { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px }
.jump::-webkit-scrollbar { display: none }
.jump a { flex: none; font-size: 12.5px; color: var(--accent); text-decoration: none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 5px 11px }
.eyebrow[id] { scroll-margin-top: calc(76px + env(safe-area-inset-top, 0px)) }
.form { display: flex; flex-direction: column; gap: 10px }
.now { padding: 8px 9px; border-radius: 9px; border: 1px dashed var(--line); font-family: var(--f-mono); font-size: 14px; color: var(--muted); overflow-wrap: anywhere }
.answer { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-radius: 10px; background: var(--accent-soft); margin-bottom: 10px }
#sk-result:empty { display: none }
#sk-result { display: flex; flex-direction: column; gap: 10px }
.var { display: flex; flex-direction: column; gap: 3px }
.var-top { display: flex; justify-content: space-between; align-items: center; gap: 8px }
.var-name { font-family: var(--f-mono); font-size: 13px; overflow-wrap: anywhere; min-width: 0 }
.var-nums { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--muted) }
.var.dim { opacity: .55 }
.pill.good { background: var(--accent-soft); color: var(--good); border-color: transparent }
.pill.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent }
.pill.none { background: var(--ember-soft); color: var(--ember); border-color: transparent }

/* highlighted editor: colored text behind a transparent textarea */
.editor-wrap { position: relative }
.editor-wrap .editor { display: block; margin: 0 }
pre.editor.hl { position: absolute; inset: 0; overflow: hidden; pointer-events: none; color: var(--syn-name); min-height: 0 }
textarea.editor.ta { position: relative; z-index: 1; background: transparent; color: transparent; -webkit-text-fill-color: transparent; caret-color: var(--ink) }
textarea.editor.ta::selection { background: color-mix(in srgb, var(--accent) 30%, transparent) }
@supports (-webkit-touch-callout: none) {
  pre.editor.hl { padding-left: 15px; padding-right: 15px }
  /* iPhone zooms into any field under 16px when it gets focus */
  input, select, textarea, .editor { font-size: 16px !important }
}
.t-key { color: var(--syn-key) } .t-meta { color: var(--syn-meta) } .t-fn { color: var(--syn-fn); font-weight: 500 }
.t-name { color: var(--syn-name) } .t-inc { color: var(--syn-inc) } .t-num { color: var(--syn-num) }
.t-op, .t-eq { color: var(--syn-op) } .t-str, .t-ystr { color: var(--syn-str) } .t-q, .t-punct { color: var(--muted) }
.t-comment { color: var(--syn-comment); font-style: italic } .t-const { color: var(--syn-meta) }
.legend span { font-family: var(--f-mono); font-size: 12px; margin-right: 4px }

/* pane controls and divider: wide screens only */
.panes, #divider { display: none }
.pane-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 5px 10px; font-size: 12.5px; color: var(--muted) }
.pane-btn svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round }
.pane-btn[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent) }

/* Wide: the editor on the left, the other views on the right (ADR-056 decision 3) */
@media (min-width: 900px) {
  body.wide { height: 100vh; height: 100dvh; display: flex; flex-direction: column; overflow: hidden }
  body.wide .top { position: static; flex: none }
  body.wide .top-in, body.wide .tabs-in { max-width: none }
  body.wide .tabs { position: static; flex: none; border-top: 0; border-bottom: 1px solid var(--line); padding-bottom: 0 }
  body.wide .tabs-in { display: flex; align-items: center; gap: 2px }
  body.wide .tab { flex-direction: row; gap: 7px; padding: 10px 14px; font-size: 13.5px }
  body.wide .tab svg { width: 18px; height: 18px }
  body.wide .tab[data-tab="yaml"] { display: none }
  body.wide .tab[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent) }
  body.wide .panes { display: inline-flex; gap: 6px; margin-left: auto; padding: 6px 4px }

  body.wide main { flex: 1; min-height: 0; padding: 0; display: grid; grid-template-columns: var(--left, 42%) 9px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) }
  body.wide main > .view { grid-row: 1; grid-column: 3; max-width: none; margin: 0; overflow: auto; overscroll-behavior: contain; min-height: 0;
    padding: 16px max(20px, calc((100% - 720px) / 2)) 40px }
  /* In a pane that scrolls, a row that scrolls sideways (the chips) must not shrink */
  body.wide main > .view > * { flex-shrink: 0 }
  body.wide #view-yaml { grid-column: 1; padding: 14px 18px 24px; background: var(--sunk) }
  body.wide #view-yaml .lead { display: none }
  body.wide #view-yaml .editor { min-height: calc(100dvh - 300px) }
  body.wide #yaml-apply { display: none }
  body.wide #divider { display: block; grid-column: 2; grid-row: 1; cursor: col-resize; touch-action: none; position: relative; background: var(--line); width: 1px; justify-self: center }
  body.wide #divider::before { content: ""; position: absolute; inset: 0 -5px }
  body.wide #divider::after { content: ""; position: absolute; top: 50%; left: -2px; width: 5px; height: 36px; margin-top: -18px; border-radius: 3px; background: var(--muted); opacity: .45 }
  body.wide #divider:hover::after, body.wide #divider:focus-visible::after, body.dragging #divider::after { opacity: 1; background: var(--accent) }
  body.dragging { user-select: none; cursor: col-resize }

  body.wide[data-hide="editor"] main { grid-template-columns: 0 0 minmax(0, 1fr) }
  body.wide[data-hide="editor"] #view-yaml, body.wide[data-hide="editor"] #divider { display: none !important }
  body.wide[data-hide="cards"] main { grid-template-columns: minmax(0, 1fr) 0 0 }
  body.wide[data-hide="cards"] #divider, body.wide[data-hide="cards"] main > .view:not(#view-yaml) { display: none !important }
  body.wide[data-hide="cards"] #view-yaml { padding-inline: max(18px, calc((100% - 960px) / 2)) }
}

/* editing a formula on its card */
.formula-row { display: flex; align-items: center; gap: 8px; margin-top: 4px }
.formula-row .formula { flex: 1; min-width: 0; margin-top: 0 }
.formula-row.editing, .col-edit.editing { display: block }
.edit-btn { flex: none; display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--surface); color: var(--accent); border-radius: 8px; padding: 3px 8px; font-size: 12px }
.edit-btn svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round }
.col-edit { padding: 0 14px 12px }
.fedit { display: flex; flex-direction: column; gap: 8px; margin-top: 6px }

/* Adding and deleting an element (S9) */
.eyebrow { flex-wrap: wrap }
.eyebrow .add-btn { margin-left: auto; align-self: center }
.card.add-form { padding: 12px 14px }
.card.add-form .fedit { margin-top: 0 }
.del-btn.icon { width: 40px; height: 40px; padding: 0; justify-content: center; border-color: transparent; background: transparent }
.del-btn.icon svg { width: 18px; height: 18px }
.slide-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px }
.slide-row input[type="range"] { flex: 1 1 0; width: auto; min-width: 120px }
.res-top { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 6px }
.res-top .del-btn.icon { margin: -6px -6px 0 0 }
.col-edit { display: flex; flex-wrap: wrap; gap: 8px; align-items: center }
.col-edit[hidden] { display: none }
.del-btn { color: var(--muted) }
.edit-btn.warn { color: var(--bad); border-color: var(--bad) }
.del-ask { flex: 1 1 100%; justify-content: flex-end; display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 12px; color: var(--bad) }

/* Suggestions while a formula is typed (S10) */
.suggest { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 6px; scrollbar-width: none; -webkit-overflow-scrolling: touch }
.suggest::-webkit-scrollbar { display: none }
.suggest[hidden] { display: none }
/* The YAML editor's strip while typing on a phone: on the keyboard */
.suggest.docked { position: fixed; left: 0; right: 0; bottom: var(--dock, 0px); z-index: 40; padding: 8px 12px; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -2px 8px rgb(0 0 0 / .08) }
.sug { flex: none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 6px 11px; font-family: var(--f-mono); font-size: 13px; white-space: nowrap }
.sug.function { color: var(--syn-fn); border-color: color-mix(in srgb, var(--syn-fn) 35%, var(--line)) }
.sug.included { color: var(--syn-inc) }

/* The grid view (S11) */
.grid-wrap { padding: 0; overflow: auto; max-height: 72vh; -webkit-overflow-scrolling: touch }
table.grid { border-collapse: separate; border-spacing: 0; width: max-content; min-width: 100%; font-size: 13px; font-variant-numeric: tabular-nums }
.grid th, .grid td { padding: 6px 10px; border-bottom: 1px solid var(--line); background: var(--surface); text-align: left; vertical-align: top }
.grid thead th { position: sticky; top: 0; z-index: 2; background: var(--sunk); font-weight: 500; cursor: pointer }
.grid tbody th[scope="row"] { position: sticky; left: 0; z-index: 1; background: var(--sunk); color: var(--muted); font-weight: 400; font-family: var(--f-mono); font-size: 12px; border-right: 1px solid var(--line) }
.grid thead th.corner { left: 0; z-index: 3; cursor: default; border-right: 1px solid var(--line) }
.grid td.num, .grid th.num { text-align: right }
.grid td { cursor: pointer }
.grid td.neg { color: var(--ember) }
.grid .empty { color: var(--muted); cursor: default }
.g-name { display: block; font-family: var(--f-mono); font-size: 12.5px }
.g-unit { display: inline-block; margin-top: 1px; font-size: 11px; color: var(--muted) }
.g-formula { display: block; max-width: 11rem; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--f-mono); font-size: 11px; font-weight: 400; color: var(--muted) }
table.grid.scalars { width: 100% }
table.grid.scalars .g-formula { max-width: 15rem }
.g-group th { position: static !important; background: var(--sunk); color: var(--muted); font-family: var(--f-mono); font-size: 11.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; border-right: 0 }

.grid-wrap.flat { max-height: none }
.sug.key { color: var(--syn-key); border-color: color-mix(in srgb, var(--syn-key) 35%, var(--line)) }
.sug.key.used { opacity: .55 }

/* The welcome card on a first visit (ADR-056 addendum) */
.welcome { padding: 16px 16px 14px; border-color: color-mix(in srgb, var(--accent) 40%, var(--line)) }
.welcome h2 { margin: 0 0 6px; font-size: 17px }
.welcome p { margin: 0 0 10px; color: var(--muted) }
.welcome ul { margin: 0 0 14px; padding-left: 18px }
.welcome li { margin: 6px 0 }