/* Screen & Seat. The layout language of sites.jackhammons.com with an indigo
   accent. --s1 (angle standards) and --s3 (resolution limits) are two steps
   of the categorical set the mortgage site validated, light and dark each. */
:root{
  color-scheme:light dark;
  --bg:#111318;--panel:#181b22;--panel-2:#1f232c;--line:#2f3440;
  --ink:#eef0f5;--ink-2:#b8bdc9;--ink-3:#858c9a;
  --accent:#7d8ee8;--accent-soft:rgba(125,142,232,.16);--bad:#ea7474;--good:#4fb38b;--ok:#d9a441;
  --s1:#3987e5;--s3:#199e70;--s4:#c98500;
  /* Sequential ramp for the resolution matrix: one hue, dark to light on the
     dark surface, light to dark on the light one. The text flips where it
     would otherwise fall under 4.5:1: from q6 on the dark surface, q7 on the
     light one. */
  --q0:#1b1e26;--q1:#232a44;--q2:#2a365f;--q3:#32447c;--q4:#3c5399;--q5:#5169b8;--q6:#6f86d2;--q7:#93a5e6;--q8:#bcc8f3;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:light){
  :root{--bg:#f5f6fa;--panel:#ffffff;--panel-2:#eff1f6;--line:#dadee8;
        --ink:#161a24;--ink-2:#4b5262;--ink-3:#676d7c;
        --accent:#4a5ccc;--accent-soft:rgba(74,92,204,.1);--bad:#c43b3a;--good:#2e795b;--ok:#92630a;
        --s1:#2a78d6;--s3:#1baf7a;--s4:#eda100;
        --q0:#f1f2f6;--q1:#e6e9f8;--q2:#d2d8f3;--q3:#bcc5ed;--q4:#a3afe4;--q5:#8897d9;--q6:#6d7fcc;--q7:#5366bd;--q8:#3b4da8}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
     line-height:1.55;-webkit-font-smoothing:antialiased;
     display:flex;flex-direction:column;min-height:100vh}
.wrap{width:min(1080px,calc(100vw - 32px));margin:0 auto}
a{color:inherit}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(32px,6vw,52px);
   letter-spacing:-.025em;line-height:1.05;margin:6px 0 8px}
h2{font-family:var(--serif);font-size:19px;margin:0;letter-spacing:-.01em;font-weight:600}
.lede{color:var(--ink-2);font-size:17px;margin:0;max-width:60ch}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;
         text-transform:uppercase;color:var(--ink-3);margin:0}
p.note{color:var(--ink-3);font-size:13px;margin:8px 0 0}

header{padding:48px 0 26px}
main{flex:1;padding-bottom:56px}
section{margin-top:30px}
.head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
      margin-bottom:12px;flex-wrap:wrap}
.head p{margin:0;color:var(--ink-3);font-size:13px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px}
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:20px;align-items:start}
.grid > *{margin-top:0}

/* ---- inputs ---- */
.inputs{padding:20px 22px 22px}
.inputs h2{margin:20px 0 10px;font-size:16px;color:var(--ink-2)}
.inputs h2:first-child{margin-top:0}
.field{display:block;margin-bottom:12px;min-width:0}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lbl{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:4px;font-weight:500}
.box{display:flex;align-items:center;background:var(--panel-2);border:1px solid var(--line);
     border-radius:9px;padding:0 10px;transition:border-color .15s,box-shadow .15s}
.box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.box i{font-style:normal;color:var(--ink-3);font-family:var(--mono);font-size:13px;white-space:nowrap}
/* 16px is the floor below which iOS Safari zooms the page on focus. */
.box input,.box select{flex:1;min-width:0;width:100%;font:inherit;font-family:var(--mono);font-size:16px;
  color:var(--ink);background:transparent;border:0;outline:0;padding:9px 6px;
  font-variant-numeric:tabular-nums}
.box select{padding-left:0;cursor:pointer}
.box select option{background:var(--panel);color:var(--ink)}
.hint{display:block;font-size:11.5px;color:var(--ink-3);margin-top:3px}
.field.invalid .box{border-color:var(--bad)}
.field.invalid .lbl{color:var(--bad)}
fieldset{border:0;padding:0;margin:0;min-width:0}
fieldset[hidden]{display:none}

.seg{display:inline-flex;gap:4px;background:var(--panel-2);border:1px solid var(--line);
     border-radius:999px;padding:3px}
.seg button{background:transparent;border:1px solid transparent;color:var(--ink-2);
            padding:5px 13px;font-size:13px;border-radius:999px}
.seg button[aria-pressed="true"]{background:var(--panel);border-color:var(--line);color:var(--ink);
  box-shadow:0 1px 2px rgba(0,0,0,.12)}
.segs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}

.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px}
button{font:inherit;font-size:13px;color:var(--ink);background:var(--accent-soft);
  border:1px solid var(--accent);border-radius:999px;padding:7px 14px;cursor:pointer}
button.quiet{background:transparent;border-color:var(--line);color:var(--ink-2)}
button:hover{border-color:var(--ink-3)}
button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.status{font-size:12.5px;color:var(--ink-3)}

/* ---- results ---- */
.results{padding:22px 24px 24px;position:sticky;top:16px}
.total{font-family:var(--mono);font-weight:600;font-size:clamp(42px,7vw,64px);
  letter-spacing:-.04em;line-height:1;margin:8px 0 6px;font-variant-numeric:tabular-nums}
.total small{font-size:.3em;color:var(--ink-3);letter-spacing:0;margin-left:6px;font-weight:500}
.sub{color:var(--ink-2);margin:0 0 18px;font-size:14px;min-height:1.5em}

.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:18px 0 0;
  background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.fact{background:var(--panel);padding:12px 14px;margin:0;min-width:0}
/* An odd count would leave a hole in the two-column grid. */
.fact:last-child:nth-child(odd){grid-column:1 / -1}
.fact dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);margin:0 0 3px}
.fact dd{margin:0;font-family:var(--mono);font-size:17px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.fact dd small{display:block;font-size:11.5px;color:var(--ink-3);margin-top:2px;font-family:var(--sans)}
.fact.warn dd span{color:var(--bad)}
.fact.good dd span{color:var(--good)}
.fact.ok dd span{color:var(--ok)}
.total.good span{color:var(--good)} .total.ok span{color:var(--ok)} .total.warn span{color:var(--bad)}
/* The word that names a grade, beside the figure and in its colour, for a
   reader the colour does not reach. A fact with no grade leaves it empty and
   it takes no room. */
.grade{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:0;line-height:16px;
  padding:0 7px;border:1px solid;border-radius:999px;vertical-align:2px;white-space:nowrap}
.grade:empty{display:none}
.total .grade{font-size:12px;line-height:18px;vertical-align:.3em}
/* While a field does not read, every figure outside the headline is the last room's. */
.stale .results .facts,.stale .panel:not(.inputs):not(.results){opacity:.45}

/* ---- lanes chart ---- */
.chart-panel{padding:16px 18px 12px;position:relative}
.lanes{position:relative;width:100%}
.lanes svg{display:block;width:100%;height:auto}
.lanes .grid line{stroke:var(--line);stroke-width:1}
.lanes text{fill:var(--ink-2);font-family:var(--sans);font-size:12px}
.lanes text.tick{fill:var(--ink-3);font-family:var(--mono);font-size:11px}
.lanes .band{rx:4;opacity:.85}
.lanes .band.s1{fill:var(--s1)} .lanes .band.s3{fill:var(--s3)} .lanes .band.s4{fill:var(--s4)}
.lanes .band.open{opacity:.28}
.lanes .you{stroke:var(--accent);stroke-width:2;stroke-dasharray:4 3}
.lanes .you-lbl{fill:var(--accent);font-weight:600;font-family:var(--mono);font-size:11px}
.lanes .hit{fill:transparent;cursor:crosshair}
.chart-legend{list-style:none;display:flex;gap:18px;flex-wrap:wrap;margin:0 0 6px;padding:0;
  font-size:12.5px;color:var(--ink-2)}
.chart-legend li{display:flex;align-items:center;gap:7px}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;flex:none}
.sw.s1{background:var(--s1)} .sw.s3{background:var(--s3)} .sw.s4{background:var(--s4)}
.sw.you{width:14px;height:0;border-top:2px dashed var(--accent)}
.tip{position:absolute;pointer-events:none;background:var(--panel-2);border:1px solid var(--line);
  border-radius:10px;padding:8px 11px;font-size:12.5px;max-width:260px;
  box-shadow:0 6px 20px rgba(0,0,0,.18);z-index:2}
.tip b{font-weight:600}

/* ---- eye-limit bar ---- */
.lanes .eye-grad{rx:4}
.lanes .eye-axis text{fill:var(--ink-3);font-family:var(--mono);font-size:11px}
.lanes .eye-you{stroke:var(--accent);stroke-width:2}
.lanes .eye-pct{fill:var(--ink);font-family:var(--mono);font-size:12px;font-weight:600}

/* ---- resolution matrix ---- */
.mx{border-collapse:separate;border-spacing:3px;font-size:13px;font-variant-numeric:tabular-nums;width:100%}
.mx th{font-family:var(--mono);font-size:11px;color:var(--ink-3);font-weight:500;padding:4px 6px;white-space:nowrap}
.mx thead th{text-align:center}
.mx tbody th{text-align:right}
.mx td{text-align:center;padding:9px 4px;border-radius:6px;color:var(--ink);min-width:44px}
.mx td.q0{background:var(--q0);color:var(--ink-3)} .mx td.q1{background:var(--q1)} .mx td.q2{background:var(--q2)}
.mx td.q3{background:var(--q3)} .mx td.q4{background:var(--q4)} .mx td.q5{background:var(--q5)}
.mx td.q6{background:var(--q6)} .mx td.q7{background:var(--q7)} .mx td.q8{background:var(--q8)}
.mx td.q6,.mx td.q7,.mx td.q8{color:#111}
@media (prefers-color-scheme:light){.mx td.q6{color:var(--ink)}.mx td.q7,.mx td.q8{color:#fff}}
.mx th.you,.mx td.you{outline:2px solid var(--accent);outline-offset:-1px}
.mx th.you{color:var(--accent)}

/* ---- tables ---- */
.table-wrap{overflow:auto}
table.list{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
table.list th,table.list td{padding:9px 14px;text-align:right;white-space:nowrap;border-bottom:1px solid var(--line)}
table.list thead th{background:var(--panel);font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);font-weight:500}
table.list th:first-child{text-align:left}
table.list tbody th{font-weight:500;text-align:left}
table.list tbody th small{display:block;color:var(--ink-3);font-size:11.5px;font-weight:400;white-space:normal;max-width:34ch}
table.list tr:last-child td,table.list tr:last-child th{border-bottom:0}
table.list td.verdict{white-space:normal;text-align:left;color:var(--ink-2);min-width:16ch}
table.list tr.here th,table.list tr.here td{background:var(--accent-soft)}
table.list .pill{display:inline-block;font-size:11px;font-family:var(--mono);padding:1px 7px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-3);margin-left:6px;vertical-align:1px}
table.list .pill.on{border-color:var(--good);color:var(--good)}
table.list .pill.bad{border-color:var(--bad);color:var(--bad)}
table.list .nil{color:var(--ink-3)}

/* ---- side view ---- */
.side{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:20px;align-items:start}
.side svg{display:block;width:100%;height:auto}
.side .wall{stroke:var(--ink-3);stroke-width:1.5}
.side .floor{stroke:var(--line);stroke-width:1}
.side .scr{fill:var(--ink);rx:1}
.side .ray{stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 3;fill:none}
.side .ray.edge{stroke:var(--ink-3);stroke-width:1;stroke-dasharray:2 3}
.side .eye{fill:var(--accent)}
.side .band{fill:var(--good);opacity:.14}
.side text{fill:var(--ink-3);font-family:var(--mono);font-size:10px}

.boot-error{margin:0 0 18px;padding:12px 14px;border:1px solid var(--bad);border-radius:10px;
  color:var(--bad);font-size:14px}

footer{color:var(--ink-3);font-size:12.5px;border-top:1px solid var(--line);padding:22px 0}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}

@media (max-width:860px){
  .grid{grid-template-columns:1fr}
  .results{position:static}
  .side{grid-template-columns:1fr}
}
@media (max-width:520px){
  .pair{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
}