/* Test Simulator: the three screens. Exam (cover, desk, results tab) and the question bank maker. */
html,body{height:100%}
body{overflow:hidden}
.view{position:fixed;inset:0;overflow:auto}

/* ---------- title blocks, shared by the cover and the maker ---------- */
.ttl-a{padding:12px 14px}
.ttl-a b{display:block;font:900 23px/1 var(--wide);color:var(--bluetext)}
.ttl-a span{display:block;margin-top:6px;font-weight:700;font-size:11.5px;letter-spacing:.06em}
.ttl-b{display:flex;flex-direction:column;justify-content:center;background:var(--blue);color:var(--onblue);font:900 19px/1.4 var(--wide);letter-spacing:.3em;text-align:center;padding:10px 8px;text-transform:uppercase}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.say{font-size:12.5px;color:var(--ink2);margin:0}
.say.bad{color:var(--red)}
.say b{color:var(--bluetext)}

/* ---------- the cover: pick a test ---------- */
.cover{background:var(--bg);padding:28px 16px 48px}
.cover-in{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.cover .ttl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:10px}
.tests{display:flex;flex-direction:column}
.test{display:grid;grid-template-columns:auto 5.6em minmax(0,1fr) auto;gap:4px 12px;align-items:center;text-align:left;background:var(--card);border:0;border-top:1.5px solid var(--soft);padding:5px 14px 5px 8px;min-width:0}
.test:first-child{border-top:0}
.test .code,.bank .code{font:700 17px/1 var(--sans);color:var(--bluetext);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.test .name b,.bank .name b{display:block;font-size:14.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.test .name small,.bank .name small{display:block;font-size:12px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.test em,.bank em{font:700 12px/1 var(--sans);font-style:normal;letter-spacing:.06em;color:var(--bluetext);text-transform:uppercase;white-space:nowrap}

/* ---------- the desk: questionnaire left, answer sheet right ---------- */
.desk{background:var(--desk);overflow:hidden;display:grid;grid-template-columns:76px minmax(0,1fr) auto;grid-template-rows:auto minmax(0,1fr)}
/* the rail: every control for the test, down the left edge, so nothing sits above the paper */
.rail{grid-column:1;grid-row:1/-1;display:flex;flex-direction:column;align-items:stretch;padding-top:8px;background:var(--card);border-right:1.5px solid var(--blue);overflow:hidden}
.rail button{display:flex;flex-direction:column;align-items:center;gap:6px;background:transparent;border:0;padding:11px 3px;color:var(--bluetext);font:700 10px/1.2 var(--sans);letter-spacing:.07em;text-transform:uppercase;text-align:center;cursor:pointer}
.rail button:hover{background:var(--tint)}
.rail button.shade{cursor:var(--pencil)}
.rail svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.rail .ic{display:flex;align-items:center;justify-content:center;height:22px;--px:18px;--py:22px;--bw:13px;--bh:20px;--mw:13px;--mh:20px}
.rail button.on{background:var(--blue);color:var(--onblue)}
.rail button.warn{color:var(--red)}
.rail .sp{flex:1}
.rail .timer.on svg{display:none}
.rail .timer.on .t{font-size:15px;font-variant-numeric:tabular-nums;letter-spacing:0}
.rail .timer.over .t{color:var(--red)}
.rail .timer .cap{font-size:9.5px;font-weight:400;opacity:.75}
.rail .hand{background:var(--blue);color:var(--onblue);font-size:11px;padding:17px 3px}
.rail .hand:hover{background:var(--bluehover)}
.rail .hand.warn{background:var(--red);color:#fff}
.btn.flat{padding:7px 9px}
.res{grid-column:2/-1;grid-row:1;padding:7px 14px;background:var(--tint);border-bottom:1.5px solid var(--blue)}
.lq{grid-row:2;grid-column:2;overflow:auto;min-width:0}
.side{position:relative;grid-row:2;grid-column:3;width:350px;display:flex;flex-direction:column;align-items:center;justify-content:center;justify-content:safe center;gap:12px;padding:10px 0;background:var(--desk2);border-left:1.5px solid rgba(0,0,0,.14);overflow:auto}
/* the sheet put away: only its edge is left, to pull or click it back */
.desk.nosheet .side{width:16px !important;padding:0;overflow:hidden}
.desk.nosheet .sheetfit{display:none}
.desk.nosheet .grip{width:16px;cursor:pointer}
.desk.nosheet .grip::after{left:6px}
/* a short window scales the sheet as a picture (never by font size, which pushes the letters off-centre) */
/* the time notice, over the answer sheet's pane */
.notice{position:fixed;z-index:6;transform:translateX(-50%);background:var(--card);color:var(--ink);border:1.5px solid var(--blue);padding:7px 14px;font:700 12.5px/1 var(--sans);white-space:nowrap}
.notice.corner{transform:none}
.notice.low{color:var(--red);border-color:var(--red)}
.sheetfit{flex:none}
/* the line between the panes: drag it */
.grip{position:absolute;left:0;top:0;bottom:0;width:12px;cursor:col-resize;touch-action:none;z-index:3}
.grip::after{content:"";position:absolute;left:3px;top:50%;width:3px;height:54px;margin-top:-27px;border-radius:2px;background:var(--soft)}
.grip:hover::after,.grip.on::after{background:var(--line)}
.sheetfit .sheetpaper{transform-origin:0 0;width:max-content}
.sheetfit .vs > *{flex:none}
.desk.done #sheet .cell{cursor:default}
.desk.done #sheet .cell:hover:not(.on) .mk{opacity:0}
.desk.done #sheet .cell.sm:hover .mk{opacity:.12}
.pager button{padding:7px 9px}
.pager button sup{position:absolute;right:3px;top:1px;font-size:9.5px;line-height:1;color:var(--red);letter-spacing:0}
.pager button.on sup{color:var(--onblue)}
/* the results tab is the user's own page, shown whole in a frame under the bar */
.setupframe{position:fixed;inset:0;z-index:60;width:100%;height:100%;border:0;background:transparent;color-scheme:normal;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.resultsframe{grid-row:1/-1;grid-column:2/-1;width:100%;height:100%;border:0;background:var(--bg)}

/* ---------- the question bank maker ---------- */
.maker{background:var(--bg)}
.wrap{max-width:1100px;margin:0 auto;padding:16px 16px 64px;display:flex;flex-direction:column;gap:10px}
.head{display:grid;grid-template-columns:minmax(250px,360px) 1fr;gap:10px}
.head .ttl{display:flex;flex-direction:column;gap:10px}
.head .ttl-b{flex:1}
.ins ol{margin:0;padding:10px 16px 8px 34px;columns:2;column-gap:30px;font-size:12.5px;color:var(--bluetext)}
.ins li{margin-bottom:5px;break-inside:avoid}
.pad{padding:12px 14px 14px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px;align-items:end}
.full{grid-column:1/-1}
.drop{border:1.5px dashed var(--line);padding:10px 12px;display:flex;gap:12px;align-items:center;color:var(--bluetext);font-size:13px;min-width:0}
.drop.over{background:var(--tint)}
.drop span{min-width:0;overflow:hidden;text-overflow:ellipsis}
.fld label,.fld .lab{display:flex;justify-content:space-between;gap:10px;font-weight:700;font-size:11.5px;letter-spacing:.07em;color:var(--bluetext);text-transform:uppercase;margin-bottom:4px}
.fld output{font-size:14px;font-variant-numeric:tabular-nums;letter-spacing:0}
.fld input[type=range]{width:100%;margin:0;accent-color:var(--bluetext)}
.in{width:100%;border:1.5px solid var(--soft);background:var(--field);color:var(--ink);padding:6px 8px;font-size:14px;border-radius:0}
.in:focus,textarea:focus{outline:2px solid var(--line);outline-offset:-1px}
.codes{flex-wrap:wrap}
.codes button{font-variant-numeric:tabular-nums;letter-spacing:.08em;padding:7px 9px}
.codes button.taken:not(.on){color:var(--dim);background:var(--dimbg)}
.types{display:grid;grid-template-columns:1fr 1fr;border-top:1.5px solid var(--soft);border-left:1.5px solid var(--soft)}
.ty{display:flex;gap:8px;align-items:center;text-align:left;background:var(--card);border:0;border-right:1.5px solid var(--soft);border-bottom:1.5px solid var(--soft);padding:5px 10px 5px 6px;min-width:0}
.ty .cell{flex:none}
.ty b{display:block;font-size:13px;color:var(--bluetext)}
.ty small{display:block;font-size:12px;color:var(--ink2);line-height:1.25}
.ty em{margin-left:auto;font:700 19px/1 var(--sans);font-style:normal;color:var(--bluetext);font-variant-numeric:tabular-nums;min-width:2.2ch;text-align:right}
.ty[aria-pressed="false"] em{color:var(--dim)}
.mix{display:flex;height:30px;border:1.5px solid var(--blue)}
.mix div{display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;min-width:0;overflow:hidden;white-space:nowrap;border-left:1.5px solid var(--card)}
.mix div:first-child{border-left:0}
.eng{display:none;margin-top:10px}
.eng.on{display:block}
.ctl{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.ctl h2{font:900 13px/1 var(--wide);letter-spacing:.24em;color:var(--bluetext);margin:0 8px 0 0;text-transform:uppercase}
.meter{height:8px;border:1.5px solid var(--blue);background:var(--card)}
.meter i{display:block;height:100%;width:0;background:var(--blue);transition:width .3s}
textarea.mono{width:100%;height:170px;border:1.5px solid var(--soft);padding:8px;font:12.5px/1.4 "Courier New",Courier,monospace;resize:vertical;color:var(--ink);background:var(--field);border-radius:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.proofdesk{background:var(--desk);max-height:72vh;overflow:auto;border-top:1.5px solid var(--blue)}
.proof .q{margin-left:1.35em}
.banks{display:flex;flex-direction:column}
.bank{display:grid;grid-template-columns:5.6em minmax(0,1fr) auto auto;gap:4px 12px;align-items:center;border-top:1.5px solid var(--soft);padding:7px 12px}
.bank:first-child{border-top:0}
.bank .row .btn{padding:5px 9px;font-size:11px}

@media (max-width:940px){
  .desk{display:block;overflow:auto}
  .rail{position:sticky;top:0;z-index:5;flex-direction:row;padding:0;border-right:0;border-bottom:1.5px solid var(--blue)}
  .rail button{padding:8px 10px}
  .rail .hand{padding:8px 14px}
  .lq{overflow:visible}
  .side{width:auto !important;border-left:0;border-top:1.5px solid rgba(0,0,0,.14);padding:18px 0 28px}
  .grip{display:none}
  .resultsframe{height:calc(100vh - 50px)}
  .cover .ttl,.head,.two,.grid,.types{grid-template-columns:1fr}
  .ins ol{columns:1}
  .bank{grid-template-columns:5.6em minmax(0,1fr)}
}