/* Layout: instrument panel — inputs rail on the left, four procedure readouts on the right, each with a to-scale corneal cross-section */
:root{
  --bg:#f3f6f7; --panel:#ffffff; --fg:#14232b; --muted:#5b6d76; --line:#d6e0e4;
  --accent:#0b6f86; --accent-soft:#d8eef3; --layer:#c9d6db; --bed:#5d9c74; --bed-soft:#e2f1e7;
  --warn:#b4231c; --warn-soft:#fbe5e3; --caution:#9a6a00; --caution-soft:#fbf0d4;
  --display:"Libre Franklin",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Libre Franklin",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0e171b; --panel:#152228; --fg:#e4edf0; --muted:#93a6ae; --line:#26363d;
  --accent:#4cc0d8; --accent-soft:#16343c; --layer:#3a4c54; --bed:#6fbf8c; --bed-soft:#163026;
  --warn:#ff7b70; --warn-soft:#3a1a18; --caution:#e8b84a; --caution-soft:#33290f; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e171b; --panel:#152228; --fg:#e4edf0; --muted:#93a6ae; --line:#26363d;
  --accent:#4cc0d8; --accent-soft:#16343c; --layer:#3a4c54; --bed:#6fbf8c; --bed-soft:#163026;
  --warn:#ff7b70; --warn-soft:#3a1a18; --caution:#e8b84a; --caution-soft:#33290f; color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.45;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:24px 48px}
.wrap{max-width:1180px;margin:0 auto;display:grid;gap:20px}
header{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;border-bottom:2px solid var(--fg);padding-bottom:12px}
h1{font-family:var(--display);font-weight:800;font-size:clamp(24px,3.4vw,34px);letter-spacing:-.02em;margin:0;text-wrap:balance}
.sub{color:var(--muted);margin:4px 0 0;max-width:62ch}
.tag{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
/* Desktop: patient form and settings stacked on the left, results on the right.
   Phone: patient form, then results, then settings, so results sit right under the inputs. */
.grid{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);grid-template-rows:auto 1fr;
  grid-template-areas:"form results" "settings results";gap:20px;align-items:start}
#f{grid-area:form} #s{grid-area:settings} .results{grid-area:results}
@media (max-width:860px){.grid{grid-template-columns:minmax(0,1fr);grid-template-rows:none;
  grid-template-areas:"form" "results" "settings"}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:18px}
fieldset{border:0;margin:0;padding:0;display:grid;gap:10px;min-width:0}
legend{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:8px;padding:0}
.row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
label{display:grid;gap:4px;font-size:12px;font-weight:600;color:var(--muted);min-width:0}
select,input{font-family:var(--mono);font-size:16px;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:8px 8px;width:100%;min-width:0;font-variant-numeric:tabular-nums}
select:focus-visible,input:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;width:max-content}
.seg button{font:600 12px var(--body);padding:6px 10px;border:0;background:transparent;color:var(--muted);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--panel)}
.hint{font-size:12px;color:var(--muted);margin:0}
.rx{font-family:var(--mono);font-size:13px;background:var(--accent-soft);color:var(--fg);border-radius:6px;padding:8px 10px}
.linkbtn{background:none;border:0;padding:0;color:var(--accent);font:600 12px var(--body);cursor:pointer;justify-self:start}
.results{display:grid;gap:14px;min-width:0}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:600px){.cards{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;display:grid;gap:12px;min-width:0}
.card.flag{border-color:var(--warn)}
.card h2{margin:0;font-family:var(--display);font-size:18px;font-weight:700;display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.card h2 small{font:500 12px var(--mono);color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.metric{border-radius:8px;padding:10px;background:var(--bed-soft);display:grid;gap:2px}
.metric.bad{background:var(--warn-soft)}
.metric .k{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.metric .v{font:600 28px var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric .v span{font-size:14px;font-weight:500;color:var(--muted)}
.metric.bad .v{color:var(--warn)}
.metric .s{font-size:12px;font-weight:700;color:var(--bed)}
.metric.bad .s{color:var(--warn)}
.na{font-size:13px;color:var(--muted);background:var(--bg);border-radius:8px;padding:12px}
.xsec{display:grid;gap:4px}
.bar{position:relative;height:22px;border-radius:4px;overflow:visible;display:flex;background:var(--bed)}
.bar .seg1{background:var(--layer)} .bar .seg2{background:var(--accent)} .bar .seg3{background:var(--bed);flex:1}
.bar.bad .seg3{background:var(--warn)}
.bar > div:first-child{border-radius:4px 0 0 4px} .bar > div:last-child{border-radius:0 4px 4px 0}
.xsec{gap:6px}
.xhead{display:flex;justify-content:space-between;gap:8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:24px}
.tick{position:absolute;top:-5px;bottom:-5px;width:2px;background:var(--fg)}
.tick.dash{background:repeating-linear-gradient(var(--fg) 0 3px,transparent 3px 6px)}
.ticklab{position:absolute;transform:translateX(-50%);font:600 10px var(--mono);color:var(--fg);white-space:nowrap}
.ticklab.up{bottom:calc(100% + 6px)} .ticklab.down{top:calc(100% + 6px)}
.legend{display:flex;flex-wrap:wrap;gap:6px 12px;font:12px var(--mono);color:var(--fg);margin-top:22px;font-variant-numeric:tabular-nums}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:4px;vertical-align:-1px}
.break{font:12px/1.6 var(--mono);color:var(--muted);margin:0;font-variant-numeric:tabular-nums}
.warnline{font-size:12px;color:var(--caution);background:var(--caution-soft);border-radius:6px;padding:6px 8px;margin:0}
.summary{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.btn{font:600 13px var(--body);background:var(--fg);color:var(--panel);border:0;border-radius:6px;padding:9px 14px;cursor:pointer}
.status{font-size:12px;color:var(--muted)}
details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
summary{cursor:pointer;font-weight:700}
details .body{display:grid;gap:12px;margin-top:12px;max-width:80ch}
details p,details li{font-size:13px;color:var(--muted);margin:0}
details ul{margin:0;padding-left:18px;display:grid;gap:6px}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;font:12px var(--mono);font-variant-numeric:tabular-nums}
th,td{border-bottom:1px solid var(--line);padding:4px 10px;text-align:right}
th:first-child,td:first-child{text-align:left}
.foot{font-size:12px;color:var(--muted);max-width:90ch}
.banner{display:grid;gap:10px;border-radius:10px;padding:12px 16px;background:var(--bed-soft);border:1px solid var(--bed)}
.banner b{font:700 15px var(--display)}
.banner > span{font-size:13px;color:var(--fg)}
.disclaimer{font-size:11px;line-height:1.55;color:var(--muted);max-width:110ch;border-top:1px solid var(--line);padding-top:12px;margin:8px 0 0}
.banner.na{background:var(--panel);border-color:var(--line)}
.kcard .metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:600px){.kcard .metrics{grid-template-columns:minmax(0,1fr)}}
.metric.plain{background:var(--bg)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.formtop{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.formtop h2{margin:0;font:700 16px var(--display)}
.btn.reset{background:transparent;color:var(--fg);border:1px solid var(--fg);padding:7px 12px}
.btn.reset.armed{background:var(--warn);border-color:var(--warn);color:var(--panel)}
.settingshead{display:grid;gap:2px}
.settingshead h2{margin:0;font:700 14px var(--display)}
.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--fg)}
.check input{width:18px;height:18px;padding:0;margin:0;accent-color:var(--accent);flex:none}
.needs{display:grid;gap:6px}
.eyenote{display:grid;gap:2px;font-size:12px;color:var(--fg);background:var(--accent-soft);border-radius:6px;padding:8px 10px}
.needs:empty{display:none}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn.secondary{background:transparent;color:var(--fg);border:1px solid var(--line)}
input[type="text"],input[type="date"]{font-family:var(--body)}
@media (prefers-reduced-motion:no-preference){.bar > div{transition:width .25s ease}}

/* Phones: bigger tap targets, and the patient row wraps so Eye and Date aren't clipped */
@media (max-width:860px), (pointer:coarse){
  select,input:not([type="checkbox"]){min-height:44px}
  .btn{min-height:44px;padding-inline:16px}
  .seg button{min-height:40px;padding-inline:14px}
  .linkbtn{padding:12px 0}
  .check{min-height:40px}
  .check input{width:22px;height:22px}
}
@media (max-width:480px){
  .ptrow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ptrow label[for="dt"]{grid-column:1/-1;order:3}
  .actions .btn{flex:1 1 auto}
  .xhead span:nth-child(2){display:none}
}

/* Print-only patient header and sign-off; hidden on screen */
.printhead,.signoff{display:none}
.printhead{gap:10px}
.printhead .k{display:block;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.ph-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.ph-top b{display:block;font:800 20px var(--display)}
.ph-meta{font-size:11px;color:var(--muted)}
.ph-eye{font:800 22px var(--display);background:var(--accent);color:#fff;border-radius:6px;padding:6px 14px;
  -webkit-print-color-adjust:exact;print-color-adjust:exact}
.ph-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 14px}
.ph-grid .v{font:500 11px var(--mono);font-variant-numeric:tabular-nums}
.signoff{grid-template-columns:auto 1fr auto 140px;gap:8px;align-items:end;font-size:11px;margin-top:6px}
.signoff i{border-bottom:1px solid var(--fg);height:14px}

/* Two-eye printout (print only) */
.printboth{display:none;gap:6px}
.printboth .ph-top .k{display:block;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pbboth{flex:none;white-space:nowrap;font:800 15px var(--display);background:var(--accent);color:#fff;border-radius:6px;padding:4px 10px;
  -webkit-print-color-adjust:exact;print-color-adjust:exact}
.pbsettings{font:500 9px var(--mono);color:var(--muted);margin:0;border-bottom:1px solid var(--line);padding-bottom:5px}
.pbcols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.pbeye{display:grid;gap:5px;min-width:0}
.pbeyehead{display:flex;gap:10px;align-items:flex-start}
.pbeyehead .ph-eye{font-size:16px;padding:4px 10px}
.pbrx{display:grid;grid-template-columns:auto 1fr;gap:2px 8px;align-items:baseline;font:500 10px var(--mono);font-variant-numeric:tabular-nums}
.pbrx .k{display:block;font:700 7.5px var(--body);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);line-height:1.2}
.pbk .k{display:inline;font:700 8px var(--body);text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-right:6px}
.pbk{border:1px solid var(--line);border-radius:6px;padding:4px 8px;font:500 10px var(--mono)}
.pbk.flag{border-color:var(--warn);background:var(--warn-soft)}
.pbk b{font-size:11px} .neg{color:var(--warn)} .pbk em{font-style:normal;font-weight:700}
.pbcard{border:1px solid var(--line);border-radius:8px;padding:5px 8px;display:grid;gap:4px;break-inside:avoid}
.pbcard.flag{border-color:var(--warn)}
.pbcard h3{margin:0;font:700 12px var(--display);display:flex;justify-content:space-between;align-items:baseline}
.pbcard h3 small{font:500 9px var(--mono);color:var(--muted)}
.pbcard .metrics{gap:5px}
.pbcard .metric{padding:3px 6px;gap:0} .pbcard .metric .v{font-size:14px} .pbcard .metric .v span{font-size:9px}
.pbcard .metric .k,.pbcard .metric .s{font-size:7.5px}
.pbcard .bar{height:9px;margin:2px 0}
.pbcard .tick{top:-3px;bottom:-3px}
.pbcard .break{font-size:8px;line-height:1.3}
.pbcard .warnline,.pbeye > .warnline{font-size:8px;padding:2px 6px}
.pbcard .na{font-size:9px;padding:5px 8px}
.pbkey{font-size:8px;color:var(--muted);margin:0}

@page{size:letter;margin:0.4in}
@media print{
  :root,:root[data-theme="dark"],:root:not([data-theme="light"]){
    --bg:#ffffff; --panel:#ffffff; --fg:#14232b; --muted:#5b6d76; --line:#d6e0e4;
    --accent:#0b6f86; --accent-soft:#d8eef3; --layer:#c9d6db; --bed:#5d9c74; --bed-soft:#e2f1e7;
    --warn:#b4231c; --warn-soft:#fbe5e3; --caution:#9a6a00; --caution-soft:#fbf0d4; color-scheme:light}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body{padding:0;font-size:11px;background:#fff}
  .wrap{max-width:none;gap:6px}
  header{padding-bottom:6px;border-bottom-width:1.5px}
  h1{font-size:16px} .sub{display:none} .tag{font-size:9px}
  .printhead{display:grid;gap:6px;border-bottom:1px solid var(--line);padding-bottom:6px}
  .ph-top b{font-size:18px} .ph-eye{font-size:18px;padding:4px 12px}
  .signoff{display:grid}
  .grid{display:block}
  #f,#s,.actions,details,.results > .foot{display:none}
  .results{gap:6px}
  .banner{display:none}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .kcard .metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
  .card{padding:7px 10px;gap:5px;break-inside:avoid}
  .card h2{font-size:14px}
  .metric{padding:4px 8px} .metric .v{font-size:16px} .metric .k,.metric .s{font-size:9px}
  .xhead{margin-bottom:13px;font-size:8px} .legend{margin-top:13px;font-size:9px}
  .ticklab{font-size:8px} .ticklab.up{bottom:calc(100% + 3px)} .ticklab.down{top:calc(100% + 3px)} .bar{height:12px}
  .xsec .hint{display:none}
  .break,.warnline,.needs .hint{font-size:9px}
  .needs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px} .needs .warnline{padding:3px 8px} .needs .hint{grid-column:1/-1}
  .printhead{gap:4px} .ph-grid{gap:4px 14px}
  body.print-both .printhead,body.print-both .results{display:none}
  body.print-both .printboth{display:grid}
  .disclaimer{font-size:7.5px;line-height:1.4;max-width:none;padding-top:6px;margin:0}
  .bar > div{transition:none}
}