/* Aggregate Planner. Everything here is scoped under .ap so none of it reaches the site chrome.
   Neutrals and type come from the site's tokens (assets/css/style.css). The chart's own hues are
   the only new colors: a validated categorical order (blue, orange, aqua), stepped separately
   for dark, plus a neutral for demand. Keep the two dark blocks identical, as the site does. */
.ap {
  --ap-s1: #2a78d6; --ap-s2: #eb6834; --ap-s3: #1baf7a; --ap-demand: #b3ad9f;
  --ap-bad: #b3362e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ap { --ap-s1: #3987e5; --ap-s2: #d95926; --ap-s3: #199e70; --ap-demand: #55524b; --ap-bad: #e66767; }
}
:root[data-theme="dark"] .ap { --ap-s1: #3987e5; --ap-s2: #d95926; --ap-s3: #199e70; --ap-demand: #55524b; --ap-bad: #e66767; }

.ap { color: var(--text); padding-bottom: 8px; }
.ap *, .ap *::before, .ap *::after { box-sizing: border-box; }
.ap h1, .ap h2, .ap h3, .ap p { margin: 0; font-weight: 500; }
.ap p { font-weight: 400; }
.ap [hidden] { display: none !important; }
.ap .ap-label { font: 500 11px/1.5 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.ap .ap-note { font: 12px/1.5 var(--mono); color: var(--text-2); }

/* ---------- head ---------- */
.ap-head { padding: 80px 0 56px; max-width: 48em; }
.ap-head h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(44px, 6.4vw, 80px); line-height: 1; letter-spacing: -0.012em; color: var(--ink); margin-top: 16px; font-variant-numeric: lining-nums; }
.ap-h1-sub { display: block; font: 500 11px/1.5 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); margin-top: 16px; }
.ap-lede { margin-top: 24px !important; font-size: 18px; line-height: 1.6; color: var(--text-2); max-width: 36em; }
.ap-lede a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; text-decoration-color: var(--rule); transition: color 0.15s, text-decoration-color 0.15s; }
.ap-lede a:hover { color: var(--accent); text-decoration-color: var(--accent); }
@media (max-width: 860px) { .ap-head { padding: 56px 0 40px; } .ap-lede { font-size: 17px; } }

/* ---------- two columns: inputs, results ---------- */
.ap-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); column-gap: 48px; align-items: start; border-top: 1px solid var(--ink); }
@media (max-width: 1000px) { .ap-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- inputs ---------- */
.ap-inputs { padding-top: 8px; }
.ap-group { padding: 24px 0; border-bottom: 1px solid var(--rule); }
.ap-group > .ap-label { color: var(--ink); margin-bottom: 16px; }
.ap-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ap-fields:empty { display: none; }
.ap-field { position: relative; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ap-field.ap-wide { grid-column: 1 / -1; }
.ap-fields .ap-field > input { margin-top: auto; } /* inputs line up across a row even when a name wraps */
.ap-name { font-size: 13px; line-height: 1.35; color: var(--text-2); display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 6px; }
.ap-unit { font: 11px/1.35 var(--mono); color: var(--muted); margin-left: auto; white-space: nowrap; }
.ap input[type="number"], .ap input[type="text"], .ap textarea, .ap select {
  width: 100%; min-width: 0; border: 1px solid var(--rule); border-radius: 0; background: var(--stock); color: var(--ink);
  padding: 8px 10px; font: 14px/1.4 var(--mono); font-variant-numeric: tabular-nums; transition: border-color 0.15s;
}
.ap input[type="number"] { -moz-appearance: textfield; appearance: textfield; text-align: right; }
.ap input[type="number"]::-webkit-outer-spin-button, .ap input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ap input:hover, .ap textarea:hover { border-color: var(--text-2); }
.ap input:focus-visible, .ap textarea:focus-visible { outline: 1px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.ap input[aria-invalid="true"] { border-color: var(--ap-bad); }
.ap input::placeholder, .ap textarea::placeholder { color: var(--muted); opacity: 1; }
.ap textarea { resize: vertical; text-align: left; }
.ap select { appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 28px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 14px) 55%, calc(100% - 9px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.ap select:hover { border-color: var(--text-2); }
.ap select:focus-visible { outline: 1px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.ap .ap-fields .ap-field > select { margin-top: auto; }

/* help: a small "?" that shows its text on hover or focus, over the field and never wider than it;
   the same text is the input's description for screen readers */
.ap-tip { display: inline-grid; place-items: center; width: 16px; height: 16px; flex: none; border: 1px solid var(--rule); color: var(--muted); font: 500 10px/1 var(--sans); cursor: help; }
.ap-tip:hover, .ap-tip:focus-visible { color: var(--ink); border-color: var(--ink); outline: none; }
.ap-tip-text { position: absolute; z-index: 5; left: 0; right: 0; bottom: calc(100% + 4px); min-width: 0;
  background: var(--ink); color: var(--on-ink); padding: 8px 10px; font: 12px/1.45 var(--sans); letter-spacing: 0; text-transform: none; visibility: hidden; opacity: 0; transition: opacity 0.12s; pointer-events: none; }
.ap-tip:hover .ap-tip-text, .ap-tip:focus .ap-tip-text { visibility: visible; opacity: 1; }

.ap-demand { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 16px; }
.ap-demand label { display: flex; flex-direction: column; gap: 2px; }
.ap-demand span { font: 11px/1.4 var(--mono); color: var(--muted); }
.ap-demand input { padding: 6px 8px !important; font-size: 13px !important; }
@media (max-width: 420px) { .ap-demand { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.ap-paste { margin-top: 16px; }
.ap-paste summary { cursor: pointer; font-size: 13px; color: var(--text-2); width: max-content; max-width: 100%; }
.ap-paste summary:hover { color: var(--ink); }
.ap-paste[open] > .ap-field { margin: 12px 0; }

.ap-hint { font-size: 13px; line-height: 1.5; color: var(--muted); margin-top: 8px !important; }
.ap-hint:empty { display: none; }
#band-fields { margin-top: 16px; }
.ap-hint-top { margin: 0 0 8px !important; }
.ap-hint strong { font-weight: 600; color: var(--text-2); }
.ap-hint .ap-link { font-size: 10px; }

.ap-seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--ink); }
.ap-seg label { position: relative; }
.ap-seg label + label { border-left: 1px solid var(--ink); }
.ap-seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.ap-seg span { display: block; text-align: center; padding: 10px 8px; font: 500 11px/1.4 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); cursor: pointer; transition: background 0.15s, color 0.15s; }
.ap-seg input:hover + span { color: var(--ink); }
.ap-seg input:checked + span { background: var(--ink); color: var(--on-ink); }
.ap-seg input:focus-visible + span { outline: 1px solid var(--accent); outline-offset: 3px; }

.ap-check { display: flex; align-items: center; gap: 10px; margin-top: 16px; font-size: 14px; color: var(--text); cursor: pointer; }
.ap-check input { width: 16px; height: 16px; margin: 0; accent-color: var(--ink); cursor: pointer; }

.ap-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 24px 0 0; }
.ap-btn { display: inline-flex; align-items: center; padding: 14px 20px; border: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink);
  font: 500 11px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.ap-btn:hover { background: var(--ink); color: var(--on-ink); }
.ap-btn.primary { background: var(--ink); color: var(--on-ink); }
.ap-btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.ap-btn:focus-visible, .ap-link:focus-visible, .ap-scroll:focus-visible, .ap-paste summary:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
.ap-paste .ap-btn { padding: 10px 16px; }

/* ---------- results ---------- */
.ap-results { padding-top: 24px; min-width: 0; }
@media (max-width: 1000px) { .ap-results { border-top: 1px solid var(--ink); margin-top: 40px; } }
.ap-status { font: 12px/1.5 var(--mono); color: var(--text-2); min-height: 18px; }
.ap-msg { margin-top: 16px; padding: 16px; border: 1px solid var(--ap-bad); color: var(--ink); font-size: 15px; line-height: 1.55; }
.ap-msg::before { content: "No plan"; display: block; font: 500 11px/1.5 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ap-bad); margin-bottom: 4px; }
#out.is-stale { opacity: 0.45; transition: opacity 0.2s; }
.ap-block-first { margin-top: 16px !important; }
#detail .ap-seg { margin-bottom: 8px; }
#detail .ap-msg { margin-top: 16px; }
.ap-sub-block { margin-top: 40px; border-top-color: var(--rule) !important; }
.ap-hide { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.ap-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 16px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.ap-card { padding: 16px 16px 16px 0; min-width: 0; }
.ap-card + .ap-card { padding-left: 16px; border-left: 1px solid var(--rule); }
.ap-card .v { display: block; font-family: var(--serif); font-weight: 500; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.1; color: var(--ink); margin-top: 8px; overflow-wrap: anywhere; font-variant-numeric: lining-nums; }
.ap-card .s { display: block; font: 12px/1.5 var(--mono); color: var(--text-2); margin-top: 4px; }
@media (max-width: 640px) {
  .ap-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ap-card:nth-child(3) { padding-left: 0; border-left: 0; }
  .ap-card:nth-child(n+3) { border-top: 1px solid var(--rule); }
}

.ap-block { margin-top: 48px; }
.ap-block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--ink); padding-top: 16px; margin-bottom: 16px; }
.ap-block-head > .ap-label { color: var(--ink); }
.ap-links { display: flex; gap: 24px; }
.ap-link { background: none; border: 0; padding: 0; font: 500 11px/1.5 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); cursor: pointer; text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 4px; }
.ap-link:hover { color: var(--accent); text-decoration-color: var(--accent); }
.ap-subhead { margin-top: 24px !important; }

.ap-chart { position: relative; width: 100%; }
.ap-chart-main { height: 320px; }
.ap-chart-teams { height: 140px; margin-top: 8px; }
.ap-chart-compare { height: 220px; margin-top: 8px; }
/* The answers table fills in once the solver has run; hold its usual height so the chart below doesn't jump. */
.ap-scroll:has(> #t-answers:empty) { min-height: 745px; }
@media (max-width: 640px) { .ap-scroll:has(> #t-answers:empty) { min-height: 809px; } }
@media (max-width: 640px) { .ap-chart-main { height: 260px; } }

.ap-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ap-table { width: 100%; border-collapse: collapse; font: 13px/1.4 var(--mono); font-variant-numeric: tabular-nums; color: var(--text); }
.ap-table th { font: 500 10px/1.4 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--ink); white-space: nowrap; vertical-align: bottom; }
.ap-table td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.ap-table th:first-child, .ap-table td:first-child { text-align: left; padding-left: 0; }
.ap-table th:last-child, .ap-table td:last-child { padding-right: 0; }
.ap-table tfoot td { border-top: 1px solid var(--ink); border-bottom: 0; color: var(--ink); font-weight: 500; }
.ap-table td.z { color: var(--muted); }
.ap-table td.bad { color: var(--ap-bad); }
.ap-table tr.cur td { color: var(--ink); }
.ap-table tr.cur td:first-child::after { content: " · current"; color: var(--muted); }
.ap-table .sw { display: inline-block; width: 10px; height: 2px; vertical-align: middle; margin-right: 8px; }
.ap-costs th, .ap-costs td { padding-left: 6px; padding-right: 6px; }
.ap-costs td { font-size: 12px; }
.ap-table tfoot tr.share td { border-top: 0; color: var(--text-2); font-weight: 400; padding-top: 0; }
.ap-table th .sym { display: block; font: italic 500 13px/1.2 var(--serif); letter-spacing: 0; text-transform: none; color: var(--ink); margin-bottom: 2px; }
.ap-table th .sym sub { font-size: 0.7em; }
.ap-table tr.p0 td { color: var(--text-2); background: var(--stock); }

/* the answers table: questions down the side, one column per policy */
.ap-answers th[scope="row"] { font: 13px/1.4 var(--sans); letter-spacing: 0; text-transform: none; color: var(--text); text-align: left; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--rule); white-space: nowrap; font-weight: 400; vertical-align: baseline; }
.ap-answers thead th { font-size: 11px; color: var(--ink); }
.ap-answers th.cur, .ap-answers td.cur { background: var(--stock); }
.ap-answers tr.key th, .ap-answers tr.key td { color: var(--ink); font-weight: 500; }
.ap-answers tr.key td { font-size: 14px; }
.ap-answers .pct { display: block; font-size: 11px; color: var(--muted); }
.ap-answers .u { font: 11px var(--mono); color: var(--muted); margin-left: 6px; text-transform: none; letter-spacing: 0; }
.ap-answers tr.grp th { font: 500 10px/1.4 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 24px 0 8px; border-bottom: 1px solid var(--ink); }
.ap-answers tr.sum th, .ap-answers tr.sum td { border-top: 1px solid var(--ink); color: var(--ink); font-weight: 500; }
@media (max-width: 640px) {
  .ap-answers th, .ap-answers td { padding-left: 4px; padding-right: 4px; font-size: 12px; }
  .ap-answers tr.key td { font-size: 12px; }
  .ap-answers th[scope="row"] { white-space: normal; min-width: 88px; padding-right: 4px; }
  .ap-answers .u { display: block; margin-left: 0; }
}
.ap-lp { max-height: 320px; overflow: auto; font: 11px/1.5 var(--mono); color: var(--text-2); background: var(--stock); border: 1px solid var(--rule); padding: 12px; margin-top: 12px; white-space: pre; }

/* ---------- the two views: answers, study ---------- */
.ap-mode { display: flex; gap: 32px; border-bottom: 1px solid var(--rule); margin-bottom: 16px; }
.ap-mode button { background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 8px 0 12px; cursor: pointer;
  font: 500 11px/1.4 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); transition: color 0.15s, border-color 0.15s; }
.ap-mode button:hover { color: var(--ink); }
.ap-mode button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.ap-mode button:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; }
#study.is-stale { opacity: 0.45; transition: opacity 0.2s; }
#study .ap-seg { margin: 16px 0 8px; }
#study .ap-msg { margin-top: 16px; }

.ap-steps { list-style: none; margin: 0; padding: 0; }
.ap-step { padding: 32px 0; border-bottom: 1px solid var(--rule); }
.ap-step:last-child { border-bottom: 0; }
.ap-step h3 { font-family: var(--serif); font-weight: 500; font-size: 26px; line-height: 1.2; color: var(--ink); margin: 0 0 16px; display: flex; gap: 16px; align-items: baseline; }
.ap-step h3 .n { font: 500 11px/1 var(--mono); color: var(--muted); border: 1px solid var(--rule); padding: 4px 6px; flex: none; position: relative; top: -4px; }
.ap-step > p, .ap-step details { font-size: 15px; line-height: 1.65; margin: 0 0 16px; max-width: 44em; }
.ap-step b { font-weight: 600; color: var(--ink); }
.ap-step sub { font-size: 0.72em; }
.ap-step .ap-eq { margin: 0 0 16px; }
.ap-step .ap-scroll { margin: 0 0 16px; }
.ap-formula { font: 14px/1.7 var(--mono); color: var(--ink); overflow-wrap: anywhere; }
.ap-step > .ap-formula { padding: 12px 16px; border-left: 2px solid var(--ink); background: var(--stock); }
.ap-aside { color: var(--text-2); font-size: 14px !important; border-left: 2px solid var(--rule); padding-left: 16px; }
.ap-table.ap-mini td, .ap-table.ap-mini th { padding-top: 6px; padding-bottom: 6px; }
.ap-table.ap-mini td { font-size: 12px; }
.ap-table.ap-mini td:first-child { font-family: var(--sans); white-space: normal; }
.ap-table .sym { font: italic 14px var(--serif); color: var(--ink); }
.ap-table.ap-mini td.frac { color: var(--ap-s2); }
.ap-table.ap-defs td:nth-child(2) { font-family: var(--sans); text-align: left; white-space: normal; color: var(--text); }
.ap-table.ap-defs th:nth-child(2) { text-align: left; }
.ap-tree .lab { font: italic 15px var(--serif); color: var(--ink); }

.ap-month { max-width: 160px; margin-bottom: 16px; }
.ap-cons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ap-con { border: 1px solid var(--rule); padding: 16px; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.ap-con .w { font-size: 13px; line-height: 1.5; color: var(--text-2); }
.ap-con .ap-formula { font-size: 13px; }
.ap-con .nums { color: var(--text-2); }
.ap-con .st { font-size: 13px; color: var(--text-2); margin-top: auto; }
.ap-con .ok, .ap-con .bind, .ap-con .slack { font: 500 10px/1.4 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; padding: 2px 6px; border: 1px solid currentColor; }
.ap-con .ok { color: var(--muted); }
.ap-con .bind { color: var(--ink); }
.ap-con .slack { color: var(--ap-s3); }
@media (max-width: 640px) { .ap-cons { grid-template-columns: minmax(0, 1fr); } }

.ap-tree { margin: 0 0 16px; max-width: 520px; font-size: 13px; line-height: 1.5; }
.ap-tree > div > div, .ap-tree .root { border: 1px solid var(--rule); padding: 12px; display: flex; flex-direction: column; gap: 4px; }
.ap-tree .root { width: 60%; margin: 0 auto; text-align: center; border-color: var(--ink); }
.ap-tree .kids { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; position: relative; }
.ap-tree .kids::before { content: ""; position: absolute; top: -24px; left: 25%; right: 25%; height: 16px; border: 1px solid var(--rule); border-bottom: 0; }
.ap-tree b { font-family: var(--mono); font-weight: 500; }

.ap-bars { display: flex; align-items: flex-end; gap: 4px; height: 160px; margin: 8px 0; border-bottom: 1px solid var(--rule); }
.ap-bars .bar { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch; position: relative; }
.ap-bars .fill { display: flex; flex-direction: column; justify-content: flex-end; background: var(--ap-s1); }
.ap-bars .mat { background: var(--ap-demand); }
.ap-bars .t { position: absolute; bottom: -20px; left: 0; right: 0; text-align: center; font: 11px var(--mono); color: var(--muted); }
.ap-legend { margin-top: 32px !important; font-size: 12px !important; color: var(--text-2); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ap-legend .k { display: inline-block; width: 10px; height: 10px; }
.ap-legend .k.mat { background: var(--ap-demand); }
.ap-legend .k.rest { background: var(--ap-s1); margin-left: 8px; }

/* ---------- explainer ---------- */
.ap-explain { margin-top: 128px; }
.ap-prose { max-width: 40em; }
.ap-prose h3 { font-family: var(--serif); font-weight: 500; font-size: 28px; line-height: 1.2; color: var(--ink); margin: 40px 0 12px; }
.ap-prose h3:first-child { margin-top: 8px; }
.ap-prose p { font-size: 17px; line-height: 1.7; margin-bottom: 1.1em; }
.ap-prose strong { font-weight: 600; color: var(--ink); }
.ap-prose a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; text-decoration-color: var(--rule); transition: color 0.15s, text-decoration-color 0.15s; }
.ap-prose a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.ap-prose code { font: 0.88em var(--mono); }
.ap-prose .ap-list { margin: 0 0 1.1em; padding-left: 24px; }
.ap-prose .ap-list li { font-size: 17px; line-height: 1.7; margin-bottom: 0.6em; padding-left: 4px; }
.ap-prose .ap-scroll { margin: 8px 0 24px; }
.ap-example th[scope="row"] { font: 400 13px/1.4 var(--sans); letter-spacing: 0; text-transform: none; color: var(--text); text-align: left; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--rule); }
.ap-example thead th { white-space: normal; }
.ap-eq { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 24px; margin: 8px 0 24px; padding: 16px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.ap-eq dt { font: 500 11px/1.9 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.ap-eq dd { margin: 0; font: 14px/1.6 var(--mono); color: var(--ink); overflow-wrap: anywhere; }
.ap-eq sub { font-size: 0.72em; }
@media (max-width: 640px) { .ap-eq { grid-template-columns: minmax(0, 1fr); gap: 2px; } .ap-eq dd { margin-bottom: 12px; } }
@media (max-width: 860px) { .ap-explain { margin-top: 96px; } }

/* ---------- print: one plan, no controls ---------- */
@media print {
  .ap { --ap-demand: #bbb; }
  .ap-head { padding: 0 0 16pt; }
  .ap-head h1 { font-size: 28pt; }
  .ap-lede, .ap-inputs, .ap-links, .ap-explain, #detail .ap-seg, #study .ap-seg, .ap-mode, #debug, .ap-status { display: none !important; }
  .ap-grid { display: block; border-top: 0; }
  .ap-results { border-top: 0; margin-top: 0; padding-top: 0; }
  .ap-block { margin-top: 20pt; break-inside: avoid; }
  .ap-chart-main { height: 220px; }
  .ap-scroll { overflow: visible; }
  .ap-table { font-size: 9pt; }
}

/* ---------- in the app layout (_layouts/tool.html) ----------
   One section at a time from the rail; the inputs re-solve as you type, so the Optimize row and the
   Answers / Study tabs give way to the rail and the side panel. Friendlier type and shapes, same tokens. */
.ap.ap-in-app { padding-bottom: 0; }
.ap-in-app .ap-head { padding: 0 0 8px; max-width: 52em; }
.ap-in-app .ap-head h1 { font: 700 clamp(30px, 4vw, 44px)/1.08 var(--sans); letter-spacing: -0.025em; margin-top: 8px; }
.ap-in-app .ap-h1-sub { font: 500 16px/1.4 var(--sans); letter-spacing: 0; text-transform: none; margin-top: 8px; }
.ap-in-app .ap-lede { font-size: 16px; margin-top: 14px !important; max-width: 46em; }
.ap-in-app .ap-head > .ap-label { color: var(--accent); }
.ap-in-app .ap-grid { display: block; border-top: 0; }
.ap-in-app .ap-inputs { padding-top: 0; }
.ap-in-app .ap-group { padding: 24px; margin-bottom: 16px; border: 1px solid var(--rule); border-radius: 14px; background: var(--stock); }
.ap-in-app .ap-group > .ap-label { font: 700 26px/1.2 var(--sans); letter-spacing: -0.015em; text-transform: none; color: var(--ink); margin-bottom: 18px; }
.ap-in-app .ap-fields { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px 20px; }
.ap-in-app .ap-name { font-size: 14px; color: var(--text); }
.ap-in-app input[type="number"], .ap-in-app input[type="text"], .ap-in-app textarea, .ap-in-app select { border-radius: 10px; padding: 10px 12px; font: 16px var(--sans); font-variant-numeric: tabular-nums; background-color: var(--ground); }
.ap-in-app .ap-demand { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.ap-in-app .ap-demand span { font: 12px var(--sans); }
.ap-in-app .ap-demand input { padding: 8px 10px !important; font-size: 15px !important; }
.ap-in-app .ap-actions, .ap-in-app .ap-mode { display: none; }
.ap-in-app .ap-results { padding-top: 0; margin-top: 0; border-top: 0; }
.ap-in-app .ap-status { border: 0; }
.ap-in-app .ap-block { margin-top: 28px; }
.ap-in-app .ap-block-first { margin-top: 20px !important; }
.ap-in-app .ap-block-head { border-top: 0; padding-top: 0; }
.ap-in-app .ap-block-head > .ap-label { font: 700 26px/1.2 var(--sans); letter-spacing: -0.015em; text-transform: none; color: var(--ink); }
.ap-in-app .ap-block-head .ap-links { display: none; }
.ap-in-app .ap-sub-block .ap-links { display: flex; }
.ap-in-app .ap-btn { border-radius: 999px; text-transform: none; letter-spacing: 0; font: 600 14px var(--sans); padding: 10px 18px; }
.ap-in-app .ap-seg { border-radius: 999px; overflow: hidden; max-width: 420px; }
.ap-in-app .ap-seg span { font: 600 14px var(--sans); letter-spacing: 0; text-transform: none; }
.ap-in-app .ap-msg { border-radius: 12px; }
.ap-in-app .ap-cards { border: 1px solid var(--rule); border-radius: 14px; background: var(--stock); padding: 0 16px; }
.ap-in-app .ap-explain { margin-top: 0; }
.ap-in-app .ap-tip-text { border-radius: 8px; }
.ap-side .app-stat-v { font-size: 20px; }
.ap-side-tip { margin-top: 14px !important; }
.ap-side .app-btn.block { margin-top: 16px; }

.ap-in-app .ap-results > .ap-status { display: none; }