/* Istari: cream paper, forest ink, ruled lines. */

:root {
  --sticky-top: 49px; /* height of the sticky toolbar */
  --bg: #f2efe3;
  --paper: #faf8f0;
  --paper-2: #ebe7d7;
  --ink: #15261b;
  --muted: #5d6b5f;
  --rule: #d5d0bc;
  --rule-strong: #b9b39b;
  --green: #1d5a36;
  --green-bright: #2f8a50;
  --green-soft: #dde9d6;
  --lime: #c8e86b;
  --forest: #123524;
  --on-forest: #eef3e6;
  --on-forest-muted: #a9c0ae;
  --amber: #a8641a;
  --amber-soft: #f6e6c8;
  --time: #c9c3ad;          /* "your time" segment in the cost bars */
  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b110d;
    --paper: #111a14;
    --paper-2: #17231b;
    --ink: #e4ecdf;
    --muted: #8fa393;
    --rule: #233328;
    --rule-strong: #34493b;
    --green: #7fd69a;
    --green-bright: #9fe6b3;
    --green-soft: #183826;
    --lime: #c8ef6a;
    --forest: #15301f;
    --on-forest: #eaf3e4;
    --on-forest-muted: #9db9a4;
    --amber: #f0b454;
    --amber-soft: #3a2b12;
    --time: #3b4a3f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--green-bright); }
h1, h2, h3 { margin: 0; line-height: 1.15; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.ico { width: 13px; height: 13px; flex: none; vertical-align: -1px; }
.show-sm { display: none; }

/* ---------- Masthead (compact) ---------- */
.top-strip { border-bottom: 1px solid var(--rule-strong); font: 500 12px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.strip-inner { display: flex; justify-content: space-between; gap: 16px; padding-top: 9px; padding-bottom: 9px; }
.strip-inner span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.strip-inner span:last-child { white-space: nowrap; }

.masthead-body { padding-top: 26px; padding-bottom: 20px; }
.wordmark { margin: 0 0 10px; font: 700 18px/1 var(--serif); color: var(--green); }
.wordmark em { font-style: italic; font-weight: 600; }
.masthead h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 52px);
  letter-spacing: -.012em;
  line-height: 1.06;
  font-variation-settings: "opsz" 144;
  max-width: 22ch;
  text-wrap: balance;
}
.lede { max-width: 64ch; margin: 12px 0 0; font-size: 16.5px; color: var(--muted); }

.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 18px 0 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-strong); }
.facts > div { padding: 8px 12px 9px 0; min-width: 0; }
.facts > div + div { padding-left: 12px; border-left: 1px solid var(--rule); }
.facts dt { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.facts dd { margin: 2px 0 0; font: 600 20px/1.1 var(--mono); letter-spacing: -.02em; }

/* ---------- Toolbar (compact, sticky) ---------- */
.toolbar { position: sticky; top: 0; z-index: 15; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--rule); margin-bottom: 18px; }
.toolbar-inner { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-top: 8px; padding-bottom: 8px; }
.switch, .pop > summary {
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: var(--paper);
  font-size: 14px; font-weight: 500;
  cursor: pointer; user-select: none; white-space: nowrap;
}
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-track { width: 28px; height: 16px; border-radius: 999px; flex: none; background: var(--paper-2); border: 1px solid var(--rule-strong); position: relative; }
.switch-thumb { position: absolute; top: 1px; left: 1px; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); border: 1px solid var(--rule-strong); transition: transform .15s; }
.switch input:checked + .switch-track { background: var(--green); border-color: var(--green); }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(12px); border-color: var(--green); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--green-bright); outline-offset: 2px; }
.switch:has(input:checked) { border-color: var(--green); }
.switch-text { display: inline-flex; align-items: center; gap: 5px; }

.pop { position: relative; }
.pop > summary { list-style: none; }
.pop > summary::-webkit-details-marker { display: none; }
.pop > summary::after { content: "▾"; font-size: 11px; color: var(--muted); }
.pop[open] > summary { border-color: var(--green); }
.pop.is-filtered > summary { border-color: var(--green); background: var(--green-soft); }
.pill-val { font: 500 13px var(--mono); color: var(--green); }
.pop-panel {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 20;
  width: min(460px, calc(100vw - 32px));
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--green);
  border-radius: 6px;
  box-shadow: 0 10px 30px rgb(0 0 0 / .16);
  padding: 12px 14px 14px;
}
.pop-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; margin-bottom: 10px; }
.pop-lead { margin: 0 0 10px; }
.field { display: grid; gap: 4px; margin-bottom: 12px; font-size: 14px; }
.field output { font: 600 14px var(--mono); color: var(--green); }
.field input[type="range"] { width: 100%; accent-color: var(--green); }
.field select { font: inherit; font-size: 14px; padding: 6px 8px; border: 1px solid var(--rule-strong); border-radius: 4px; background: var(--bg); color: var(--ink); }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--green); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

.vendor-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 5px; }
.vendor-chip { display: flex; align-items: center; gap: 7px; min-width: 0; padding: 5px 8px; border: 1px solid var(--rule); border-radius: 4px; font-size: 13.5px; background: var(--bg); cursor: pointer; user-select: none; }
.vendor-chip:hover { border-color: var(--rule-strong); }
.vendor-chip input { margin: 0; width: 14px; height: 14px; accent-color: var(--green); flex: none; cursor: pointer; }
.vendor-chip .vendor-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vendor-chip .vendor-count { margin-left: auto; font: 12px var(--mono); color: var(--muted); }
.vendor-chip:has(input:not(:checked)) { opacity: .5; }
.vendor-chip:has(input:not(:checked)) .vendor-name { text-decoration: line-through; }

/* "Coding tasks ▾" panel */
.task-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 5px; }
.task-chip { display: flex; gap: 9px; align-items: flex-start; min-width: 0; padding: 7px 9px; border: 1px solid var(--rule); border-radius: 4px; background: var(--bg); cursor: pointer; }
.task-chip:hover { border-color: var(--rule-strong); }
.task-chip:has(input:checked) { border-color: var(--green); background: var(--green-soft); }
.task-chip input { margin: 3px 0 0; width: 15px; height: 15px; accent-color: var(--green); flex: none; cursor: pointer; }
.task-text { display: grid; gap: 1px; min-width: 0; }
.task-name { font-weight: 500; font-size: 14px; }
.task-desc { font-size: 12.5px; color: var(--muted); }
.pop-foot { margin: 10px 0 0; }
.task-src { font: 500 11px/1.4 var(--mono); color: var(--green); margin-top: 2px; }
.measured-only { display: flex; align-items: center; gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--rule); font-size: 13.5px; font-weight: 500; cursor: pointer; }
.measured-only input { width: 15px; height: 15px; accent-color: var(--green); margin: 0; }
.measured-only.is-disabled { opacity: .45; cursor: default; }
/* Measured / partly / estimated on the picked coding tasks: one symbol, explained in the legend. */
.status-sym { display: inline-block; font: 700 13px/1 var(--mono); margin-left: 6px; vertical-align: 1px; }
.st-measured { color: var(--green); }
.st-partial, .st-estimated { color: var(--muted); }
.method-table { max-height: none; margin: 8px 0 12px; }
.method-table td { white-space: normal; }
.method-table .sub { display: block; font-size: 12.5px; color: var(--muted); }

/* ---------- Panels ---------- */
.panel { background: var(--paper); border: 1px solid var(--rule); border-radius: 6px; padding: 24px; margin-bottom: 20px; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 12px; }
.section-head h2 { font: 700 26px/1.1 var(--serif); letter-spacing: -.02em; }
.section-head .small { flex-basis: 100%; margin: 2px 0 0; }
.section-num { margin: 0; font: 600 12px/1 var(--mono); color: var(--green); padding: 3px 5px; border: 1px solid currentColor; border-radius: 3px; }
.status { padding: 16px; border: 1px solid var(--rule); background: var(--paper); border-radius: 6px; margin: 20px 0; }
.status.error { border-color: var(--amber); color: var(--amber); }

/* ---------- Vendor logos (1em, so they scale with the text beside them) ---------- */
.vlogo { display: inline-block; width: 1em; height: 1em; margin-right: .38em; vertical-align: -.14em; flex: none; opacity: .9; }
.vlogo-initial { display: inline-flex; align-items: center; justify-content: center; font: 700 .6em/1 var(--mono); width: 1.75em; height: 1.75em; margin-right: .63em; vertical-align: .08em; border: 1px solid currentColor; border-radius: 3px; opacity: .6; }
.vendor-chip .vlogo { margin-right: 0; vertical-align: middle; }
.hero h2 .vlogo { width: .82em; height: .82em; vertical-align: -.06em; margin-right: .28em; opacity: 1; }

/* ---------- Marks (explained in the legend above the table) ---------- */
/* Cursor's cube = in Cursor · * provisional score · † estimated (not in the API) */
.mark-cursor { display: inline-flex; align-items: center; margin-left: 6px; color: var(--green); vertical-align: -1px; }
.mark-cursor .ico { width: 13px; height: 13px; }
.mark-est { font: 700 .75em/1 var(--mono); color: var(--muted); margin-left: 1px; }
.mark-prov { color: var(--amber); }
.legend .mark-cursor { margin-left: 0; }
.legend > #legend-tasks { display: inline; }
.hero .mark-cursor { color: var(--lime); margin-left: 8px; }
.hero .mark-cursor .ico { width: .7em; height: .7em; }
.hero .mark-est { color: var(--on-forest-muted); }
.hero .mark-prov { color: var(--amber-soft); }
.wm-star { color: var(--green-bright); font-style: normal; font-size: .8em; vertical-align: .1em; }

/* ---------- Table ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; color: var(--muted); margin-bottom: 10px; }
.legend > span { display: inline-flex; align-items: center; gap: 6px; }
/* The page is the only vertical scroller: a scroll box inside the page traps touch scrolling.
   The ranking table flows with the page (its header sticks under the toolbar); secondary tables
   may scroll sideways only. */
.table-flow, .table-scroll { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-strong); }
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--rule); white-space: nowrap; vertical-align: top; }
.data-table thead th { background: var(--paper); font: 600 11.5px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-bottom: 1px solid var(--rule-strong); }
.table-flow .data-table thead th { position: sticky; top: var(--sticky-top); z-index: 2; }
.data-table th button { font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
.data-table th[aria-sort="ascending"] button::after { content: " ↑"; }
.data-table th[aria-sort="descending"] button::after { content: " ↓"; }
.data-table .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.data-table td.rank { font: 700 16px/1.1 var(--serif); color: var(--green); }
.data-table td.name { white-space: normal; min-width: 190px; }
.data-table td.name .model { font-weight: 500; }
.data-table td.name .sub { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.data-table td.name .sub.show-sm { display: none; }
.data-table td.cost strong { font-weight: 600; color: var(--green); }
.data-table tbody tr:hover { background: var(--green-soft); }
.data-table tr.is-cursor td:first-child { box-shadow: inset 3px 0 0 var(--green); }
.extra-body tr.divider td { padding: 16px 10px 8px; border-bottom: 1px solid var(--rule-strong); background: var(--paper); white-space: normal; }
.extra-body tr.divider strong { font: 700 16px/1.2 var(--serif); }
.extra-body tr.divider .muted { display: block; font-size: 13px; margin-top: 2px; }
.extra-body td { color: var(--muted); }
.extra-body td.name .model { color: var(--ink); }
.extra-body td.rank { font: 500 14px var(--mono); color: var(--muted); }
.status-pill { display: inline-block; font: 500 11px/1.5 var(--mono); padding: 0 6px; border-radius: 3px; background: var(--paper-2); color: var(--muted); }
.compact td { white-space: normal; }

/* "Use at: high ▾" and the inline effort ladder */
.level-btn { display: inline-flex; align-items: baseline; gap: 0; margin: 3px 6px 0 0; padding: 1px 8px; font: 500 12px/1.6 var(--mono); color: var(--green); background: var(--green-soft); border: 1px solid var(--green); border-radius: 999px; cursor: pointer; white-space: nowrap; }
.level-btn strong { margin-left: 4px; font-weight: 700; }
.level-btn .caret { margin-left: 5px; }
/* Tap-to-read explanations (phones have no hover) */
[data-note] { cursor: pointer; }
[data-note]:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 1px; }
.note-tip { position: absolute; z-index: 40; max-width: min(320px, calc(100vw - 16px)); background: var(--paper); color: var(--ink); border: 1px solid var(--rule-strong); border-left: 3px solid var(--green); border-radius: 4px; box-shadow: 0 6px 20px rgb(0 0 0 / .18); padding: 8px 10px; font-size: 13px; line-height: 1.45; }
.level-btn:hover, .level-btn[aria-expanded="true"] { background: var(--green); color: var(--paper); }
@media (prefers-color-scheme: dark) { .level-btn:hover, .level-btn[aria-expanded="true"] { color: #0b110d; } }
.level-btn:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 1px; }
.data-table tr.is-open td { border-bottom-color: transparent; }
.data-table tr.ladder-row:hover { background: none; }
.data-table tr.ladder-row > td { white-space: normal; padding: 0 10px 14px; }
.ladder { border-left: 3px solid var(--green); padding: 8px 0 2px 12px; max-width: 560px; }
.ladder p { margin: 0 0 8px; }
.ladder-take { font-size: 14px; }
.ladder-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-bottom: 8px; }
.ladder-table th { font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--rule-strong); }
.ladder-table td { padding: 5px 8px; border-bottom: 1px solid var(--rule); }
.ladder-table .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ladder-table tr.is-pick td { font-weight: 700; color: var(--green); background: var(--green-soft); }
.ladder-table tr.is-below td { color: var(--muted); }

/* ---------- Charts ---------- */
.charts { display: grid; grid-template-columns: minmax(0, 1fr); gap: 26px; margin-top: 30px; }
.chart-fig { margin: 0; min-width: 0; }
.chart-fig figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin-bottom: 10px; }
.chart-fig figcaption strong { font: 700 19px/1.2 var(--serif); }
.chart-fig figcaption .small { flex-basis: 100%; }
.key { display: inline-block; width: 11px; height: 11px; border-radius: 2px; vertical-align: -1px; margin-right: 3px; }
.key-tok { background: linear-gradient(90deg, #2f7d4f 0 33%, #c47a17 33% 66%, #1f7892 66%); }
.key-time { background: var(--time); border: 1px solid var(--rule-strong); }
.bar-wrap { position: relative; width: 100%; }

/* Effort sweet spot: one mini column chart per model */
.effort-rows { display: grid; grid-template-columns: minmax(0, 1fr); border-top: 2px solid var(--ink); }
.effort-row { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 6px 16px; align-items: end; padding: 10px 0 8px; border-bottom: 1px solid var(--rule); }
.effort-name { font-size: 14px; font-weight: 500; overflow-wrap: anywhere; align-self: center; }
.effort-name .rank-num { font: 700 14px var(--serif); color: var(--green); }
.effort-pick { display: block; font: 500 12px var(--mono); color: var(--green); margin-top: 2px; }
.effort-cols { display: flex; align-items: flex-end; gap: 6px; min-width: 0; }
.ecol { flex: 1 1 0; min-width: 0; max-width: 72px; display: flex; flex-direction: column; align-items: center; gap: 3px; }
.ecol-cost { font: 500 11px/1 var(--mono); color: var(--muted); white-space: nowrap; }
.ecol-bar { width: 100%; max-width: 40px; border-radius: 3px 3px 0 0; background: var(--rule-strong); }
.ecol-lvl { font: 600 11px/1 var(--mono); color: var(--muted); }
.ecol.is-pick .ecol-bar { background: var(--green); }
.ecol.is-pick .ecol-cost, .ecol.is-pick .ecol-lvl { color: var(--green); font-weight: 700; }
.ecol.is-below .ecol-bar { background: none; border: 1px dashed var(--rule-strong); border-bottom: 0; }
.ok { color: var(--green); }
.chart-key { margin: -4px 0 10px; }
.more { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.more .btn { margin-top: 0; }
.extras-toggle { background: none; border: 0; padding: 0; color: var(--ink); cursor: pointer; text-align: left; font: inherit; }
.extras-toggle:hover strong { color: var(--green); }
.btn { margin-top: 10px; font: 500 13px var(--mono); padding: 7px 14px; border-radius: 4px; border: 1px solid var(--rule-strong); background: var(--bg); color: var(--ink); cursor: pointer; }
.btn:hover { border-color: var(--green); color: var(--green); }

/* ---------- Winner card ---------- */
/* Compact, first on the page. */
.hero { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; background: var(--forest); color: var(--on-forest); border-radius: 6px; padding: 16px 20px; margin-bottom: 20px; position: relative; overflow: hidden; }
/* A very faint star-field (the only decoration). */
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 9% 18%, rgb(255 255 255 / .28), transparent 70%),
    radial-gradient(1.5px 1.5px at 27% 82%, rgb(255 255 255 / .22), transparent 70%),
    radial-gradient(1px 1px at 44% 30%, rgb(255 255 255 / .18), transparent 70%),
    radial-gradient(1px 1px at 58% 12%, rgb(255 255 255 / .26), transparent 70%),
    radial-gradient(1.5px 1.5px at 67% 68%, rgb(255 255 255 / .2), transparent 70%),
    radial-gradient(1px 1px at 79% 24%, rgb(255 255 255 / .24), transparent 70%),
    radial-gradient(1px 1px at 88% 86%, rgb(255 255 255 / .18), transparent 70%),
    radial-gradient(1.5px 1.5px at 95% 42%, rgb(255 255 255 / .22), transparent 70%);
}
.hero > * { position: relative; z-index: 1; }
.hero-rank { display: flex; align-items: baseline; gap: 3px; color: var(--lime); font: 800 40px/1 var(--serif); letter-spacing: -.04em; }
.hero-star { font-size: 18px; letter-spacing: 0; }
.hero-kicker { margin: 0 0 4px; font: 500 11.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--on-forest-muted); }
.hero h2 { font: 700 clamp(20px, 2.4vw, 26px)/1.12 var(--serif); letter-spacing: -.015em; overflow-wrap: anywhere; }
.hero-vendor { margin: 3px 0 10px; color: var(--on-forest-muted); font-size: 13.5px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border-top: 1px solid rgb(255 255 255 / .18); }
.stat { padding: 7px 12px 2px 0; min-width: 0; }
.stat + .stat { padding-left: 12px; border-left: 1px solid rgb(255 255 255 / .12); }
.stat dt { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--on-forest-muted); }
.stat dd { margin: 3px 0 0; font: 600 17px/1.1 var(--mono); letter-spacing: -.02em; }
.stat-main dd { color: var(--lime); font-size: 21px; }
.hero-note { margin: 10px 0 0; max-width: 76ch; font-size: 13.5px; color: var(--on-forest-muted); }
.hero-empty { margin: 0; color: var(--on-forest-muted); }

/* "Just released" strip under the ranking chart */
.releases { margin-top: 18px; padding-top: 12px; border-top: 1px dashed var(--rule-strong); }
.releases-head { margin: 0; font: 600 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--green); }
.releases .muted { margin: 2px 0 0; }
.releases-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; }
.releases-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1px 10px; min-width: 0; }
.rel-name { font-weight: 500; }
.rel-meta { font: 12px var(--mono); color: var(--muted); }

/* ---------- Excluded & method ---------- */
.excluded summary { cursor: pointer; font: 700 18px/1.3 var(--serif); }
.excluded summary::marker { color: var(--green); }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.steps > li { counter-increment: step; position: relative; padding-left: 48px; min-width: 0; }
.steps > li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 1px; font: 600 14px/1 var(--mono); color: var(--green); border-bottom: 2px solid var(--lime); padding-bottom: 3px; }
.steps h3 { font: 700 18px/1.25 var(--serif); margin-bottom: 6px; }
.steps p { margin: 0 0 8px; max-width: 74ch; }
.weights { margin: 0 0 10px; padding-left: 20px; }
.estimates { margin-top: 6px; max-width: 74ch; }
.estimates li { margin: 4px 0; }
.formula { display: inline-block; font: 500 14px var(--mono); background: var(--green-soft); color: var(--ink); padding: 8px 12px; border-radius: 4px; border-left: 3px solid var(--green); }

/* ---------- Footer ---------- */
.footer { padding: 8px 0 48px; color: var(--muted); font-size: 14px; }
.footer .wrap { border-top: 2px solid var(--ink); padding-top: 14px; }
.footer p { margin: 4px 0; max-width: 90ch; }

/* ---------- Small screens ---------- */
@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 14px 14px; }
  .hero-rank { font-size: 28px; }
  .hero-star { font-size: 14px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .panel { padding: 16px 12px; }
  .strip-inner span:first-child { display: none; }
  .steps > li { padding-left: 38px; }
}

@media (max-width: 600px) {
  body { font-size: 15px; }
  .masthead-body { padding-top: 16px; padding-bottom: 14px; }
  .wordmark { font-size: 15px; margin-bottom: 6px; }
  .masthead h1 { font-size: 26px; line-height: 1.12; }
  .lede { font-size: 14.5px; margin-top: 8px; }
  .facts { margin-top: 12px; }
  .facts > div { padding: 6px 6px 7px 0; }
  .facts > div + div { padding-left: 6px; }
  .facts dt { font-size: 9.5px; letter-spacing: .03em; }
  .facts dd { font-size: 15px; }
  /* A 2–3 row toolbar would eat too much of a phone screen if it stuck to the top. */
  .toolbar { position: static; margin-bottom: 12px; backdrop-filter: none; }
  :root { --sticky-top: 0px; }
  .legend { font-size: 12px; gap: 4px 10px; }
  .legend .hide-sm { display: none; }
  .toolbar-inner { gap: 6px; padding-top: 6px; padding-bottom: 6px; }
  .switch, .pop > summary { height: 30px; padding: 0 10px; font-size: 13px; }
  /* On phones the open panel sits in the page flow, full width, right under its button —
     never positioned off-screen. */
  .pop[open] { flex: 1 1 100%; }
  .pop-panel { position: static; width: auto; margin-top: 6px; box-shadow: none; }
  .section-head h2 { font-size: 21px; }
  .chart-fig figcaption strong { font-size: 17px; }
  .data-table { font-size: 13px; }
  .data-table th, .data-table td { padding: 7px 6px; }
  .data-table td.name { min-width: 0; }
  .col-vendor, .col-rel, .hide-sm { display: none; }
  .show-sm, .data-table td.name .sub.show-sm { display: block; }
  .data-table td.rank { font-size: 15px; }
  .col-price { display: none; }
  .level-btn { font-size: 11.5px; }
  .effort-row { grid-template-columns: minmax(0, 1fr); }
  .effort-pick { display: inline; margin-left: 6px; }
  .effort-cols { gap: 4px; }
  .ecol-cost { font-size: 10px; letter-spacing: -.02em; }
  .excluded summary { font-size: 16px; }
  .steps h3 { font-size: 16.5px; }
}