/* Layout: clinic-room app. Setup panel left, 3D model centre, plain-English explanation right. Stacks on narrow screens. */
:root{
  --bg:#edf1f1; --panel:#ffffff; --panel-2:#f5f8f8; --ink:#15232a; --muted:#56676e; --line:#d3dcde;
  --accent:#0e6c70; --accent-ink:#ffffff; --accent-soft:#d8eeed;
  --good:#256b45; --good-soft:#dcefe3; --cond:#8a5a00; --cond-soft:#f6ead2; --no:#5b6970; --no-soft:#e7ecee;
  --risk:#a3261d; --risk-soft:#f6dedb;
  --tumour:#5b2a86; --fat:#e6b630; --removed:#14a39e; --margin:#d9730d; --perit:#2f72d0;
  --lumen:#4a2b30;
  --f-body:"Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-data:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0e1618; --panel:#152024; --panel-2:#1a272b; --ink:#e3ecee; --muted:#97aab0; --line:#2b3b40;
  --accent:#4cc2bd; --accent-ink:#06201f; --accent-soft:#173a3a;
  --good:#7fd3a0; --good-soft:#173628; --cond:#e9bd6a; --cond-soft:#3a2e15; --no:#a9b8bd; --no-soft:#223035;
  --risk:#f2948b; --risk-soft:#3d1d1a;
  --tumour:#a77ad6; --fat:#e6b630; --removed:#3fd0ca; --margin:#f19a45; --perit:#6ea6f0;
  --lumen:#2a181b; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0e1618; --panel:#152024; --panel-2:#1a272b; --ink:#e3ecee; --muted:#97aab0; --line:#2b3b40;
  --accent:#4cc2bd; --accent-ink:#06201f; --accent-soft:#173a3a;
  --good:#7fd3a0; --good-soft:#173628; --cond:#e9bd6a; --cond-soft:#3a2e15; --no:#a9b8bd; --no-soft:#223035;
  --risk:#f2948b; --risk-soft:#3d1d1a;
  --tumour:#a77ad6; --fat:#e6b630; --removed:#3fd0ca; --margin:#f19a45; --perit:#6ea6f0;
  --lumen:#2a181b; color-scheme:dark;
}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5}
*{box-sizing:border-box}
[hidden]{display:none!important}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.app{display:grid;grid-template-columns:300px minmax(0,1fr) 380px;grid-template-rows:auto minmax(0,1fr);height:100%}
header.top{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-inline:20px;padding-block:12px;background:var(--panel);border-bottom:1px solid var(--line)}
.mark{width:34px;height:34px;flex:none}
.titles{min-width:0;flex:1}
.titles h1{margin:0;font-size:20px;line-height:1.2;letter-spacing:-.005em;text-wrap:balance}
.titles p{margin:0;color:var(--muted);font-size:13.5px}
.hdr-actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--panel-2);border-radius:8px;padding:7px 12px;cursor:pointer;font-size:14px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}

.panel{background:var(--panel);overflow:auto;padding-inline:18px;padding-block:16px;min-width:0}
.panel.left{border-right:1px solid var(--line)}
.panel.right{border-left:1px solid var(--line)}
.sec{display:grid;gap:12px;padding-block:4px 18px;border-bottom:1px solid var(--line);margin-bottom:16px}
.sec:last-child{border-bottom:0;margin-bottom:0}
.eyebrow{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:0}
.sec h2{margin:0;font-size:17px;line-height:1.25;text-wrap:balance}
.note{font-size:13px;color:var(--muted);margin:0}

.field{display:grid;gap:4px}
.field label,.field .lab{display:flex;justify-content:space-between;gap:8px;font-size:14px;font-weight:700}
.field output,.val{font-family:var(--f-data);font-size:13px;color:var(--accent);font-weight:500;white-space:nowrap}
.field small{color:var(--muted);font-size:12.5px}
input[type=range]{width:100%;accent-color:var(--accent)}
select{width:100%;padding:7px 8px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2)}
.seg{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{flex:1 1 auto;border:0;background:var(--panel-2);padding:6px 8px;cursor:pointer;font-size:13.5px;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);font-weight:700}
.checks{display:grid;gap:6px}
.checks label{display:flex;gap:8px;align-items:center;font-size:14px;cursor:pointer}
.checks input{accent-color:var(--accent);width:16px;height:16px}
.dialrow{display:flex;gap:12px;align-items:center}
.dialrow svg{flex:none}
.dialrow .field{flex:1;min-width:0}

/* stage */
.stage{position:relative;min-height:0;background:radial-gradient(ellipse at 50% 40%, var(--panel-2), var(--bg) 70%)}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.views{position:absolute;top:12px;left:12px;right:12px;display:flex;gap:6px;flex-wrap:wrap;pointer-events:none}
.views > *{pointer-events:auto}
.views .btn{background:var(--panel);font-size:13px;padding:5px 10px}
.views .btn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:700}
.legend{position:absolute;left:12px;bottom:12px;display:flex;flex-wrap:wrap;gap:6px 14px;max-width:calc(100% - 24px);background:color-mix(in srgb, var(--panel) 88%, transparent);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:12.5px;pointer-events:none}
.legend span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.sw{width:12px;height:12px;border-radius:3px;display:inline-block;flex:none}
.hint{position:absolute;right:12px;bottom:12px;font-size:12px;color:var(--muted);pointer-events:none;text-align:right}
.oppill{position:absolute;top:52px;left:12px;max-width:min(420px, calc(100% - 24px));background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--removed);border-radius:8px;padding:8px 12px;font-size:13.5px;pointer-events:none}
.oppill b{display:block;font-size:14px}

/* right panel */
.measures{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0;margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.measures dt,.measures dd{margin:0;padding:8px 10px;border-bottom:1px solid var(--line);font-size:13.5px}
.measures dt{color:var(--ink)}
.measures dt small{display:block;color:var(--muted);font-size:12px}
.measures dd{display:flex;align-items:center;justify-content:flex-end;gap:4px;font-family:var(--f-data);font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.measures dt:nth-last-of-type(1),.measures dd:nth-last-of-type(1){border-bottom:0}
.tag{display:inline-block;font-family:var(--f-body);font-size:11.5px;font-weight:700;border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:1px}
.tag.good{background:var(--good-soft);color:var(--good)}
.tag.cond{background:var(--cond-soft);color:var(--cond)}
.tag.risk{background:var(--risk-soft);color:var(--risk)}

.summary{font-size:16px;line-height:1.6;margin:0;max-width:62ch}
.flags{display:grid;gap:8px}
.flag{border-radius:8px;padding:8px 10px;font-size:13.5px;background:var(--cond-soft);color:var(--ink);border:1px solid color-mix(in srgb, var(--cond) 35%, transparent)}
.flag b{color:var(--cond)}

.ops{display:grid;gap:8px}
.op{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;text-align:left;border:1px solid var(--line);background:var(--panel-2);border-radius:10px;padding:10px 12px;cursor:pointer}
.op:hover{border-color:var(--accent)}
.op[aria-pressed="true"]{border-color:var(--removed);box-shadow:0 0 0 2px color-mix(in srgb, var(--removed) 45%, transparent);background:var(--panel)}
.op .nm{font-weight:700;font-size:14.5px;min-width:0}
.op .why{grid-column:1/-1;font-size:13px;color:var(--muted)}
.pill{font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 9px;white-space:nowrap;align-self:start}
.pill.good{background:var(--good-soft);color:var(--good)}
.pill.cond{background:var(--cond-soft);color:var(--cond)}
.pill.no{background:var(--no-soft);color:var(--no)}

.detail{display:grid;gap:10px;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--panel-2)}
.detail h3{margin:0;font-size:16px}
.detail dl{margin:0;display:grid;gap:8px}
.detail dt{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700}
.detail dd{margin:0;font-size:14px}

.axialwrap{border:1px solid var(--line);border-radius:10px;background:var(--panel-2);padding:10px;display:grid;gap:8px}
#axial{width:100%;aspect-ratio:1/1;max-width:100%;display:block}
.fine{font-size:12.5px;color:var(--muted);margin:0}
.copyrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

.views .spacer{flex:1 1 auto}
.views .btn.tool{border-color:var(--accent);color:var(--accent);font-weight:700}
.layers{position:absolute;top:56px;right:12px;width:min(290px, calc(100% - 24px));max-height:calc(100% - 120px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:12px;box-shadow:0 8px 28px rgba(0,0,0,.16);z-index:5}
.lhead{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.linkbtn{border:0;background:none;color:var(--accent);font-weight:700;cursor:pointer;padding:0;font-size:13px}
.layers fieldset{border:0;margin:0;padding:0;display:grid;gap:6px}
.layers legend{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:0;margin-bottom:4px}
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.shots:empty{display:none}
.shot{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel-2);min-width:0}
.shot img{display:block;width:100%;height:auto}
.shot span{display:block;font-size:12px;padding:4px 6px;color:var(--muted)}
.shot button{position:absolute;top:4px;right:4px;border:1px solid var(--line);background:var(--panel);border-radius:6px;font-size:12px;padding:1px 7px;cursor:pointer}
input[type=text],textarea{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);font:inherit;font-size:14px;resize:vertical}
.modal{position:fixed;inset:0;background:rgba(10,20,24,.62);display:grid;place-items:center;padding:16px;z-index:50}
.mbox{background:var(--panel);border-radius:12px;padding:14px;width:min(900px,100%);max-height:100%;overflow:auto;display:grid;gap:8px}
.mhead{display:flex;justify-content:space-between;align-items:center;gap:8px}
.mbox img{max-width:100%;height:auto;border:1px solid var(--line)}
@media (max-width:1150px){
  .app{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto minmax(440px,64vh) auto;height:auto}
  .stage{grid-column:1/-1;grid-row:2}
  .panel.left{grid-column:1;grid-row:3;border-right:1px solid var(--line);overflow:visible}
  .panel.right{grid-column:2;grid-row:3;border-left:0;overflow:visible}
}
@media (max-width:760px){
  .app{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(380px,58vh) auto auto}
  .stage{grid-column:1;margin-inline:16px;margin-block:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
  .panel.left{grid-column:1;grid-row:4;border-right:0;border-top:1px solid var(--line)}
  .panel.right{grid-column:1;grid-row:3}
  header.top{padding-inline:16px}
  .panel{padding-inline:16px}
  .legend{font-size:11.5px}
  .hint{display:none}
}
@media (prefers-reduced-motion: reduce){ *{scroll-behavior:auto!important} }

/* Show Me Where additions */
body{margin:0}
.home{flex:none;display:block;line-height:0;border-radius:10px}
.mark{width:38px;height:38px}
.crumb{font-size:13px!important;margin:0 0 2px!important}
.crumb a{color:var(--accent);font-weight:700;text-decoration:none}
.crumb a:hover{text-decoration:underline}
a.btn{text-decoration:none;color:inherit;display:inline-block}
.fine a{color:var(--accent)}
.no3d{position:absolute;inset:auto 16px 50% 16px;transform:translateY(50%);max-width:460px;margin-inline:auto;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--cond);border-radius:10px;padding:14px 16px;display:grid;gap:6px;z-index:6}
.no3d p{margin:0;font-size:14px;color:var(--muted)}
@media print{ .stage,.panel.left,.hdr-actions{display:none!important} .app{display:block;height:auto} }
.stage-foot{position:absolute;left:12px;right:12px;bottom:12px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;pointer-events:none}
.stage-foot .oppill,.stage-foot .legend,.stage-foot .hint{position:static;max-width:min(600px,100%)}
.stage-foot .hint{text-align:left}
@media (max-width:760px){
  header.top{gap:10px}
  header.top .titles{flex:1 1 calc(100% - 60px)}
  header.top .hdr-actions{width:100%}
  header.top .hdr-actions .btn{flex:1;text-align:center}
  .views{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .views::-webkit-scrollbar{display:none}
  .views .btn{flex:none}
  .views .spacer{display:none}
  .stage-foot .oppill{display:none}
  .legend{gap:4px 10px;padding:6px 10px}
}
.qr-dialog{border:0;border-radius:16px;padding:28px;max-width:min(420px,calc(100vw - 32px));text-align:center;background:#fff;color:#15232a;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.qr-dialog::backdrop{background:rgba(10,20,24,.62)}
.qr-dialog h2{font-size:22px;margin:0 0 14px}
.qr-dialog img{display:block;width:min(320px,70vw);height:auto;margin:0 auto 14px;image-rendering:pixelated}
.qr-dialog p{margin:0 0 18px;font-size:16px;color:#36484f}
.qr-dialog .btn{width:100%;background:#0e6c70;color:#fff;border-color:#0e6c70;padding:10px}

/* ---------- devices ---------- */
/* slightly larger small print everywhere */
.eyebrow{font-size:12px}
.note,.field small{font-size:13.5px}
.fine{font-size:13px}
.legend{font-size:12.5px}
.dialrow svg{width:100px;height:100px}
/* tablets in landscape and small laptops: slimmer side panels so the model has room */
@media (min-width:1151px) and (max-width:1400px){ .app{grid-template-columns:270px minmax(0,1fr) 330px} .panel{padding-inline:14px} }
/* phones on their side: the model fills the screen height */
@media (max-height:520px) and (orientation:landscape){
  .app{grid-template-rows:auto calc(100svh - 12px) auto}
  .stage-foot .oppill,.hint{display:none!important}
  .views{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .views::-webkit-scrollbar{display:none}
  .views .btn{flex:none}
  .views .spacer{display:none}
  .legend{font-size:11.5px;padding:5px 9px}
}
/* touch screens: finger-sized controls, and 16px text boxes so iPhones don't zoom in when one is tapped */
@media (pointer:coarse){
  .btn,.seg button,select,.op{min-height:44px}
  .views .btn{min-height:40px;padding-inline:12px}
  .checks label{min-height:40px}
  .linkbtn{min-height:40px;padding-inline:4px}
  input[type=range]{height:36px}
  input[type=text],textarea,select{font-size:16px}
  .shot button{min-height:32px;padding:4px 10px}
}

/* ---------- reopened from a QR code ---------- */
.linkbar{flex-basis:100%;display:flex;align-items:center;gap:10px 16px;flex-wrap:wrap;background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 35%, transparent);border-radius:10px;padding:10px 14px}
.linkbar p{margin:0;flex:1 1 320px;font-size:14.5px}

/* ---------- patient view: set-up hidden, model and plain words fill the screen ---------- */
body.presenting .panel.left, body.presenting .clin{display:none}
body.presenting .app{grid-template-columns:minmax(0,1fr) 400px}
@media (max-width:1150px){ body.presenting .app{grid-template-columns:minmax(0,1fr)} body.presenting .panel.right{grid-column:1} }
#btn-present[aria-pressed="true"]{background:var(--panel-2);color:var(--ink);border-color:var(--line);font-weight:400}

/* ---------- A4 sheet preview, like a PDF viewer ---------- */
.pvbox{background:var(--panel);border-radius:12px;width:min(980px,100%);max-height:100%;display:flex;flex-direction:column;overflow:hidden}
.pvhead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 14px;border-bottom:1px solid var(--line)}
.pvhead .fine{margin:0}
.pvact{display:flex;flex-wrap:wrap;gap:8px}
#pv-msg{flex-basis:100%}
.pvpages{overflow:auto;background:#5d6b70;padding:20px;display:grid;justify-items:center;gap:20px}
.pvpage{margin:0;display:grid;gap:6px;justify-items:center}
.pvpage img{display:block;width:min(794px,100%);height:auto;aspect-ratio:210/297;background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.35)}
.pvpage figcaption{color:#fff;font-size:13px}
#print-root{display:none}
@media print{
  body.printing-sheet > *:not(#print-root){display:none!important}
  body.printing-sheet #print-root{display:block!important}
  body.printing-sheet #print-root img{page:sheet;display:block;width:210mm;height:297mm;break-after:page;page-break-after:always}
  body.printing-sheet #print-root img:last-child{break-after:auto;page-break-after:auto}
}
@page sheet{size:A4;margin:0}
@media (max-width:760px){ .pvact .btn{flex:1 1 auto} .pvpages{padding:10px} }

/* exact measurements */
.numwrap{display:inline-flex;align-items:center;gap:5px;font-family:var(--f-data);font-size:13px;color:var(--muted);white-space:nowrap}
.numwrap input{width:4.6em;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);font:500 14px var(--f-data);color:var(--accent);text-align:right}
.numwrap output{color:var(--muted)}
.field .lab{flex-wrap:wrap;align-items:center}
@media (pointer:coarse){ .numwrap input{min-height:40px;font-size:16px;width:5em} }

/* preview: QR code for the patient */
.pvqr{width:min(794px,100%);background:#fff;color:#15232a;border-radius:10px;padding:16px;display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:center}
.pvqr canvas{width:200px;height:200px;image-rendering:pixelated}
.pvqr h3{margin:0 0 6px;font-size:18px;color:#0e6c70}
.pvqr p{margin:0 0 8px;font-size:14.5px}
.pvqr .fine{color:#56676e}
@media (max-width:600px){ .pvqr{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center} }