/* =====================================================================
   NAPLAN-STYLE MOCK PLAYER (17 Oct 2026). Layout follows Deb's brief (plans/naplan-mock-brief),
   colours and fonts are Study Compass tokens only (css/theme.css, css/type.css).
   ===================================================================== */
/* assessment aliases: navy chrome from the 6 Oct refresh (css/refresh.css), bright maths blue for the move-on buttons */
body{--nx-bar:var(--navy,var(--primary-lip));--nx-action:var(--maths-fill);--nx-action-soft:var(--maths-soft);--nx-action-ink:var(--maths-soft-ink)}
body.nx-on{overflow:hidden}
body.nx-on .bar,body.nx-on .site-foot,body.nx-on footer.foot{display:none}
.nx-player{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--surface);color:var(--ink);font-family:var(--font-sans)}
.nx-player button{font-family:inherit;cursor:pointer}
.nx-player :focus-visible{outline:3px solid var(--link,var(--nx-action));outline-offset:2px}
.nx-top :focus-visible,.nx-strip :focus-visible,.nx-nav:focus-visible{outline-color:var(--sunny)}

/* ---------- top bar: zoom, clock, Hide time | Question n of N + grid | tools, leave ---------- */
.nx-top{flex:none;display:grid;grid-template-columns:1fr minmax(auto,520px) 1fr;align-items:stretch;background:var(--nx-bar);color:#fff;min-height:76px}
.nx-tl,.nx-tr{display:flex;align-items:center;gap:6px;padding:0 10px}
.nx-tr{justify-content:flex-end}
.nx-ibtn{display:inline-grid;place-items:center;min-width:52px;min-height:52px;border:0;border-radius:12px;background:transparent;color:#fff}
.nx-ibtn:hover{background:rgba(255,255,255,.12)}
.nx-tl .nx-zoomwrap{position:relative;border-right:1px solid rgba(255,255,255,.25);padding-right:8px;margin-right:4px}
.nx-pop{position:absolute;top:58px;left:0;z-index:5;display:flex;flex-direction:column;background:var(--surface);border-radius:12px;box-shadow:0 8px 24px rgba(17,24,39,.22);padding:6px;min-width:110px}
.nx-pop button{border:0;background:transparent;color:var(--ink);font-size:1rem;font-weight:600;padding:10px 12px;border-radius:8px;text-align:left;min-height:44px}
.nx-pop button[aria-pressed="true"]{background:var(--maths-soft);color:var(--maths-soft-ink)}
.nx-clock{display:flex;flex-direction:column;align-items:center;min-width:100px;line-height:1}
.nx-clock-v{font-size:2rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.nx-clock-l{display:flex;gap:14px;font-size:.8125rem;margin-top:4px;opacity:.9}
.nx-clock.hidden-time .nx-clock-v{display:none}
.nx-clock.low .nx-clock-v{color:var(--sunny)}
.nx-hide{border:0;border-radius:999px;background:var(--nx-action);color:#fff;font-weight:700;font-size:.875rem;line-height:1.1;width:62px;height:62px;padding:4px}
.nx-hide:disabled{opacity:.6;cursor:default}
.nx-tc{display:flex;align-items:center;justify-content:center;gap:16px;background:var(--surface);color:var(--nx-bar);padding:6px 20px}
body.app-ui #app .nx-player .nx-counter{margin:0;font-size:1.75rem;font-weight:700;letter-spacing:-.01em;white-space:nowrap;line-height:1.2}
.nx-counter b{font-size:1.45em;font-weight:800}
.nx-tc .nx-ibtn{color:var(--nx-bar)}
.nx-tc .nx-ibtn:hover,.nx-tc .nx-ibtn.on{background:var(--maths-soft)}
.nx-warn{background:var(--attention-fill);color:var(--ink);text-align:center;font-weight:700;padding:8px 16px}

/* ---------- audio strip and inline player (one component) ---------- */
.nx-strip{background:var(--nx-action);color:#fff}
.nx-audio{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nx-audio.strip{padding:6px 16px;min-height:56px}
.nx-audio.inline{background:var(--maths-soft);color:var(--maths-soft-ink);border-radius:14px;padding:8px 14px;margin:0 0 1em;max-width:560px}
.nx-a-play,.nx-a-btn{display:inline-grid;place-items:center;width:46px;height:46px;border:0;border-radius:999px;background:transparent;color:inherit}
.nx-audio.inline .nx-a-play{background:var(--nx-action);color:#fff}
.nx-audio.strip .nx-a-play{background:#fff;color:var(--nx-bar)}
.nx-a-btn:hover{background:rgba(127,127,127,.15)}
.nx-a-bar{flex:1;min-width:120px;accent-color:currentColor;height:28px}
.nx-a-time{font-variant-numeric:tabular-nums;font-weight:700;font-size:.9375rem;min-width:84px;text-align:right}
.nx-a-err{flex-basis:100%;font-weight:600}
.nx-audio.strip .nx-a-err{color:#fff}
.linkish{border:0;background:none;color:inherit;text-decoration:underline;font-weight:700;padding:0}

/* ---------- workspace ---------- */
.nx-tabs{display:none}
.nx-work{--nz:1;flex:1 1 auto;position:relative;display:grid;grid-template-columns:minmax(0,1fr);min-height:0;background:var(--surface)}
.nx-work.split{grid-template-columns:minmax(0,56fr) 0 minmax(0,44fr)}
.nx-work.split.writing{grid-template-columns:minmax(0,46fr) 0 minmax(0,54fr)}
.nx-work.split.folded{grid-template-columns:0 0 minmax(0,1fr)}
.nx-work.split.folded .nx-passage{visibility:hidden}
.nx-passage{overflow:auto;min-height:0;background:var(--panel);padding:28px 32px;overscroll-behavior:contain}
.nx-fold{position:relative;z-index:2;align-self:center;justify-self:center;width:34px;height:64px;margin-left:-17px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--nx-action);display:grid;place-items:center}
.nx-work.folded .nx-fold svg{transform:rotate(180deg)}
.nx-work.split .nx-fold{display:grid}
.nx-q{overflow:auto;min-height:0;padding:32px 40px 40px;overscroll-behavior:contain}
.nx-work.split .nx-q{border-left:1px solid var(--line-strong)}
.nx-qin{font-size:calc(1.1875rem * var(--nz));line-height:1.55;max-width:60em}
.nx-qin p{margin:0 0 .9em}
.nx-instr{font-weight:700}
.nx-stem{margin-bottom:.4em}
.nx-stem img,.nx-art svg{max-width:100%;height:auto}
.nx-fig{margin:.6em 0 1em}
.nx-fig figcaption{font-size:.85em;color:var(--muted);margin-top:.3em}
.nx-art{display:block}
.nx-art svg{display:block}
.nx-note{color:var(--muted)}
.nx-blank{display:inline-block;width:7em;border-bottom:2.5px solid var(--ink);margin:0 .2em;vertical-align:-.1em}
.nx-unsupported{background:var(--attention-fill);border-radius:14px;padding:16px 18px}

/* reading text */
.nx-doc{font-size:calc(1.125rem * var(--nz));line-height:1.7;max-width:40em;margin:0 auto;background:var(--surface);border-radius:16px;padding:28px 32px;border-top:6px solid var(--reading-fill)}
.nx-doc p{margin:0 0 .9em}
body.app-ui #app .nx-player .nx-dtitle{font-size:1.6em;line-height:1.2;margin:0 0 .3em;font-weight:800;letter-spacing:-.01em}
.nx-byline{font-style:italic;font-weight:600;color:var(--muted);margin:0 0 1em}
.nx-doc .nx-bh,.nx-qin .nx-bh{font-size:1.15em;margin:1em 0 .4em}
.nx-doc blockquote{margin:0 0 1em;padding-left:1em;border-left:4px solid var(--line-strong)}
.nx-poem p{margin:0}
.nx-doc.news{font-family:var(--font-sans)}
.nx-doc.news .nx-dtitle{text-align:center;border-bottom:3px solid var(--ink);padding-bottom:.25em}
.nx-doc.letter{border-top-color:var(--writing-fill)}
.nx-doc.poster{border-top-color:var(--nx-action)}
.nx-tablewrap{overflow-x:auto;margin:.4em 0 1em}
.nx-table{border-collapse:collapse;min-width:50%}
.nx-table th,.nx-table td{border:1.5px solid var(--line-strong);padding:.45em .8em;text-align:left;vertical-align:middle}
.nx-table thead th{background:var(--panel)}
.nx-table caption{text-align:left;font-weight:700;padding-bottom:.3em}

/* ---------- answers ---------- */
.nx-choices{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:.5em}
.nx-choices.grid{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));gap:1em;max-width:46em}
.nx-opt{display:flex;align-items:center;gap:.8em;min-height:48px;padding:.4em .7em .4em .4em;border:2px solid transparent;border-radius:12px;cursor:pointer;position:relative}
.nx-opt:hover{background:var(--panel)}
.nx-opt input{position:absolute;opacity:0;width:1px;height:1px}
.nx-mark{flex:none;width:2.1em;height:2.1em;border-radius:50%;border:2px solid var(--line-strong);background:var(--surface);box-shadow:inset 0 2px 3px rgba(17,24,39,.12);display:grid;place-items:center}
.nx-mark.sq{border-radius:10px}
.nx-opt.on{background:var(--maths-soft);border-color:var(--nx-action)}
.nx-opt.on .nx-mark{border-color:var(--nx-action);background:var(--nx-action)}
.nx-opt.on .nx-mark::after{content:"";width:.8em;height:.8em;border-radius:50%;background:#fff}
.nx-opt.on .nx-mark.sq::after{width:.95em;height:.55em;border-radius:0;background:none;border-left:3px solid #fff;border-bottom:3px solid #fff;transform:rotate(-45deg) translate(1px,-2px)}
.nx-opt input:focus-visible + .nx-mark{outline:3px solid var(--sunny);outline-offset:3px}
.nx-choices.grid .nx-opt{flex-direction:column-reverse;align-items:center;border:2px solid var(--line);padding:.8em .6em;text-align:center}
.nx-choices.grid .nx-opt.on{border-color:var(--nx-action)}
.nx-opt-art{display:block;line-height:0}
.nx-opt-art svg{max-width:100%;height:auto;max-height:9em}
.nx-choices.grid .nx-opt-art{width:100%;display:flex;justify-content:center}
.nx-choices.grid .nx-opt-art svg{width:min(100%,9em);height:auto}
.nx-mprompt .nx-opt-art svg,.nx-table .nx-opt-art svg{width:auto;height:2.4em;max-width:none}
.nx-mprompt .nx-opt-art svg{height:4em}
.nx-count{font-weight:700;color:var(--maths-soft-ink)}
.nx-entry{display:flex;align-items:center;gap:.5em;flex-wrap:wrap;margin:.3em 0}
.nx-input,.nx-gap,.nx-sel{font:inherit;font-size:1em;border:2px solid var(--line-strong);border-radius:10px;padding:.35em .55em;background:var(--surface);color:var(--ink);min-height:48px}
.nx-input:focus,.nx-gap:focus,.nx-sel:focus{border-color:var(--nx-action);outline:3px solid var(--link,var(--nx-action));outline-offset:1px}
.nx-gap{min-height:0;padding:.15em .4em;margin:0 .15em;max-width:100%}
.nx-sel{min-height:0;padding:.15em .3em;margin:0 .15em}
.nx-input.spell{width:min(18em,100%);font-size:1.3em;letter-spacing:.02em}
.nx-affix{font-weight:700}
.nx-fracwrap{display:flex;align-items:center;gap:.5em}
.nx-frac{display:inline-flex;flex-direction:column;align-items:center;gap:.25em}
.nx-input.frac{width:4em;text-align:center;min-height:44px}
.nx-fbar{width:4.6em;height:3px;background:var(--ink);border-radius:2px}
.nx-hottext p{line-height:2}
.nx-hot{font:inherit;border:0;background:transparent;color:inherit;padding:.05em .15em;margin:0 -.05em;border-radius:6px;text-decoration:underline dotted var(--line-strong);text-underline-offset:.25em}
.nx-hot:hover{background:var(--panel)}
.nx-hot.on{background:var(--maths-soft);color:var(--maths-soft-ink);border-bottom:3px solid var(--nx-action);font-weight:700}
.nx-write{display:block;width:100%;min-height:22em;font:inherit;font-size:1.05em;line-height:1.8;border:2px solid var(--line-strong);border-radius:12px;padding:.8em 1em;resize:vertical}
.nx-wlabel{display:block;font-weight:700;margin-bottom:.3em}
.nx-wc{color:var(--muted);font-size:.85em;margin-top:.3em}

/* drag and drop */
.nx-bank{display:flex;flex-wrap:wrap;gap:.7em;padding:.8em;margin:.9em 0 .4em;border:2px dashed var(--line-strong);border-radius:14px;min-height:3.6em;background:var(--panel)}
.nx-bank-empty{color:var(--muted);font-size:.9em;align-self:center}
.nx-tok{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.35em;min-width:3em;min-height:2.6em;padding:.25em .8em;border:2px solid var(--nx-action);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-weight:700;touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:0 3px 0 var(--nx-bar);cursor:grab}
.nx-tok.picked{background:var(--nx-action);color:#fff;transform:translateY(-2px)}
.nx-tok.lifted{opacity:.35}
.nx-tok-art{line-height:0} .nx-tok-art svg{height:2.2em;width:auto}
.nx-ghost{position:fixed;z-index:100;pointer-events:none;transform:translate(-50%,-60%) rotate(-2deg);box-shadow:0 10px 24px rgba(17,24,39,.3);font-size:calc(1.1875rem * var(--nz,1))}
.nx-ghost.row{transform:translate(-50%,-50%);background:var(--surface);list-style:none;border-radius:12px}
.nx-zone{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.3em;flex-wrap:wrap;min-width:4.4em;min-height:2.9em;padding:.2em;margin:.15em .25em;vertical-align:middle;border:2.5px dashed var(--line-strong);border-radius:12px;background:var(--surface)}
.nx-zone.wide{display:flex;min-height:7em;width:100%;align-content:flex-start;justify-content:flex-start;margin:0}
.nx-zone.full{border-style:solid;border-color:var(--nx-action)}
.nx-zone.ready{border-color:var(--nx-action);background:var(--maths-soft)}
.nx-zone.hover{border-color:var(--nx-action);background:var(--maths-soft);box-shadow:0 0 0 4px rgba(29,91,216,.18)}
.nx-zone-hit{position:absolute;inset:0;border:0;background:transparent;border-radius:10px;z-index:0}
.nx-zone .nx-tok{z-index:1;box-shadow:none;margin:.1em}
.nx-tok-x{display:inline-grid;place-items:center;width:1.4em;height:1.4em;margin-left:.1em;border:0;border-radius:50%;background:var(--panel);color:var(--ink);font-size:.85em;font-weight:800;line-height:1}
.nx-tok.picked .nx-tok-x{background:rgba(255,255,255,.25);color:#fff}
.nx-dnd-help{font-size:.82em;color:var(--muted)}
.nx-match{display:flex;flex-direction:column;gap:.7em}
.nx-mrow{display:flex;align-items:center;gap:1em;flex-wrap:wrap}
.nx-mprompt{display:flex;align-items:center;gap:.6em;min-width:12em}
.nx-groups{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:1em}
.nx-group h4{margin:0 0 .4em;font-size:1em}
.nx-order{list-style:none;margin:.4em 0;padding:0;display:flex;flex-direction:column;gap:.5em;max-width:34em}
.nx-oitem{display:flex;align-items:center;gap:.6em;padding:.4em .5em;border:2px solid var(--line-strong);border-radius:12px;background:var(--surface);touch-action:none;user-select:none;cursor:grab}
.nx-oitem.lifted{opacity:.35}
.nx-oitem.drop-before{box-shadow:0 -4px 0 var(--nx-action)}
.nx-handle{color:var(--muted);display:grid;place-items:center}
.nx-pos{display:grid;place-items:center;width:1.8em;height:1.8em;border-radius:50%;background:var(--panel);font-weight:800;font-size:.85em}
.nx-otext{flex:1;display:flex;align-items:center;gap:.5em}
.nx-omove{display:flex;gap:.3em}
.nx-omove button{width:44px;height:44px;border:1.5px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--ink);font-size:.8rem}
.nx-omove button:disabled{opacity:.35;cursor:default}

/* ---------- progress summary ---------- */
.nx-review{overflow:auto;min-height:0;padding:28px 24px 40px;background:var(--surface)}
.nx-revin{max-width:960px;margin:0 auto;text-align:center}
.nx-endbox{text-align:left;border:4px solid var(--nx-action);border-radius:16px;padding:20px 28px;margin-bottom:28px}
body.app-ui #app .nx-player .nx-endbox h2{color:var(--nx-bar);font-size:1.375rem;margin:0 0 .6em}
.nx-endbox p{margin:.3em 0;font-size:1.0625rem}
body.app-ui #app .nx-player .nx-revh{color:var(--nx-bar);font-size:1.75rem;margin:0 0 16px}
body.app-ui #app .nx-player .nx-revh.sm{font-size:1.5rem;margin-top:28px;margin-bottom:6px}
.nx-revp{color:var(--muted);margin:0 0 18px}
.nx-filters{display:flex;flex-wrap:wrap;justify-content:center;gap:4px;background:var(--panel);border-radius:14px;padding:4px}
.nx-filter{display:flex;align-items:center;gap:10px;border:0;background:transparent;border-radius:10px;padding:8px 14px;min-height:52px;font-size:1rem;color:var(--ink);border-bottom:3px solid transparent}
.nx-filter.on{background:var(--surface);border-bottom-color:var(--nx-action);font-weight:700}
.nx-key{position:relative;display:grid;place-items:center;width:38px;height:38px;border-radius:6px;font-weight:800;font-size:1.05rem}
.nx-key.answered{background:var(--nx-bar);color:#fff}
.nx-key.unanswered{background:var(--line-strong);color:var(--ink)}
.nx-key.unread{background:var(--surface);color:var(--ink);border:2.5px solid var(--line-strong)}
.nx-key.flagged{background:var(--surface);border:1.5px solid var(--line-strong);color:var(--ink)}
.nx-key.flagged::before,.nx-qbox.flagged::before{content:"";position:absolute;top:0;left:0;width:0;height:0;border-top:16px solid var(--sunny);border-right:16px solid transparent;border-top-left-radius:6px}
.nx-key.all{background:conic-gradient(var(--nx-bar) 0 25%,var(--line-strong) 0 50%,var(--surface) 0 75%,var(--sunny) 0);border:1.5px solid var(--line-strong)}
.nx-qgrid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.nx-qbox{position:relative;width:64px;height:64px;border-radius:8px;border:0;font-size:1.25rem;font-weight:800}
.nx-qbox.answered{background:var(--nx-bar);color:#fff}
.nx-qbox.unanswered{background:var(--line-strong);color:var(--ink)}
.nx-qbox.unread{background:var(--surface);color:var(--ink);border:2.5px solid var(--line-strong)}
.nx-qbox.flagged::before{border-top-width:22px;border-right-width:22px}
.nx-qbox.flagged::after{content:"";position:absolute;top:3px;left:3px;width:8px;height:8px;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M1 10V0h7l-1.5 2.5L8 5H1' fill='%23111827'/%3E%3C/svg%3E")}
.nx-qbox.cur{outline:3px solid var(--ink);outline-offset:3px}
.nx-qbox:hover{filter:brightness(1.08)}

/* ---------- footer: Back | (Back to summary) | Flag | Next ---------- */
.nx-foot{flex:none;display:grid;grid-template-columns:minmax(150px,1fr) 2fr minmax(150px,1fr) minmax(150px,1fr);background:var(--panel);min-height:80px;border-top:1px solid var(--line)}
.nx-nav{display:flex;align-items:center;justify-content:center;gap:14px;border:0;background:var(--nx-action);color:#fff;font-size:1.5rem;font-weight:800;box-shadow:inset 0 -5px 0 var(--nx-bar)}
.nx-nav:hover{filter:brightness(1.07)}
.nx-nav:active{box-shadow:none;padding-top:5px}
.nx-nav.prev{justify-content:flex-start;padding-left:28px}
.nx-nav.next{justify-content:flex-end;padding-right:28px}
.nx-foot-mid{display:flex;align-items:center;padding:0 12px}
.nx-tosum{display:inline-flex;align-items:center;gap:8px;border:2px solid var(--line-strong);background:var(--surface);color:var(--nx-bar);border-radius:12px;padding:8px 14px;font-weight:700;font-size:1rem;min-height:48px}
.nx-tosum svg{width:20px;height:20px}
.nx-flag{display:flex;align-items:center;justify-content:center;gap:12px;border:0;border-left:1px solid var(--line-strong);background:var(--panel);color:var(--ink);font-size:1.4rem;font-weight:800}
.nx-flag:hover{background:var(--line)}
.nx-flag.on{background:var(--attention-fill)}

/* ---------- time up, dialogs, calculator ---------- */
.nx-time-up{position:absolute;inset:0;z-index:60;display:grid;place-items:center;background:rgba(17,24,39,.55)}
.nx-time-up>div{background:var(--surface);border-radius:20px;padding:28px 36px;text-align:center;box-shadow:0 12px 32px rgba(17,24,39,.3)}
.nx-dlg{border:0;border-radius:20px;padding:0;max-width:min(520px,calc(100vw - 32px));box-shadow:0 16px 40px rgba(17,24,39,.3);color:var(--ink)}
.nx-dlg::backdrop{background:rgba(17,24,39,.5)}
.nx-dlgin{padding:26px 28px 22px;font-size:1.0625rem}
body.app-ui #app .nx-player .nx-dlg h2{font-size:1.5rem;margin:0 0 .5em}
.nx-dlist{padding-left:1.2em;margin:.5em 0 1em}
.nx-dlgbtns{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:18px}
.nx-calc{position:absolute;top:84px;right:16px;z-index:40;width:260px;background:var(--surface);border-radius:16px;box-shadow:0 12px 30px rgba(17,24,39,.28);padding:12px}
.nx-calc-d{display:block;background:var(--panel);border-radius:10px;padding:10px 12px;text-align:right;font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:8px;min-height:1.5em;overflow:hidden}
.nx-calc-k{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.nx-calc-k button{min-height:48px;border:1.5px solid var(--line-strong);border-radius:10px;background:var(--surface);font-size:1.15rem;font-weight:700;color:var(--ink)}
.nx-calc-k .wide{grid-column:span 3}

/* ---------- tablet and phone: reading text one tap away ---------- */
@media (max-width:899px){
  .nx-top{grid-template-columns:auto 1fr auto;min-height:64px}
  .nx-clock-v{font-size:1.5rem} .nx-hide{width:52px;height:52px;font-size:.8rem}
  body.app-ui #app .nx-player .nx-counter{font-size:1.25rem}
  .nx-tc{padding:4px 10px;gap:8px}
  .nx-work.split .nx-q,.nx-work.split .nx-passage{grid-column:1/-1;grid-row:1}
  .nx-work.split{grid-template-columns:minmax(0,1fr)}
  .nx-work.split .nx-fold{display:none}
  .nx-work.split[data-tab="q"] .nx-passage{display:none}
  .nx-work.split[data-tab="p"] .nx-q{display:none}
  .nx-work.split .nx-q{border-left:0}
  .nx-tabs:not([hidden]){display:flex;gap:4px;padding:6px 12px;background:var(--panel);border-bottom:1px solid var(--line)}
  .nx-tabs button{flex:1;min-height:44px;border:0;border-radius:10px;background:transparent;font-weight:700;font-size:1rem;color:var(--ink)}
  .nx-tabs button[aria-selected="true"]{background:var(--ink);color:#fff}
  .nx-q{padding:22px 22px 30px} .nx-passage{padding:16px}
  .nx-doc{padding:20px}
  .nx-foot{grid-template-columns:1fr auto 1fr 1fr;min-height:68px}
  .nx-nav{font-size:1.15rem} .nx-flag{font-size:1.1rem}
  .nx-nav.prev{padding-left:16px} .nx-nav.next{padding-right:16px}
}
@media (max-width:640px){
  .nx-top{grid-template-columns:auto minmax(0,1fr) auto} .nx-tc{min-width:0;padding:4px 6px;gap:4px} .nx-tc .nx-ibtn{min-width:44px}
  .nx-qw{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .nx-tl{gap:2px;padding:0 4px} .nx-tl .nx-zoomwrap{border:0;padding:0;margin:0}
  .nx-clock{min-width:64px} .nx-clock-l{gap:8px;font-size:.7rem}
  .nx-hide{width:46px;height:46px;font-size:.72rem}
  body.app-ui #app .nx-player .nx-counter{font-size:1.05rem}
  .nx-tr .nx-ibtn{min-width:44px}
  .nx-choices.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nx-foot-mid{display:none} .nx-foot{grid-template-columns:1fr 1fr 1fr}
  .nx-flag span:first-child{font-size:1rem}
  .nx-filter{padding:6px 8px;font-size:.9rem;min-height:46px}
  .nx-qbox{width:52px;height:52px}
}
@media (prefers-reduced-motion:reduce){ .nx-tok,.nx-nav{transition:none} }

/* ---------- list, intro, results (inside the normal app frame) ---------- */
.nx-year{margin:26px 0}
.nx-mock-h{margin:6px 0 12px}
.nx-trow{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--surface);border:1.5px solid var(--line);border-top:8px solid var(--maths-fill);border-radius:20px;padding:16px 20px}
.nx-trow.reading{border-top-color:var(--reading-fill)} .nx-trow.language{border-top-color:var(--language-fill)} .nx-trow.writing{border-top-color:var(--writing-fill)}
.nx-trow h3{margin:2px 0 4px}
.nx-trow p{margin:0 0 8px}
.nx-trow-a{display:flex;gap:10px;flex-wrap:wrap}
.nx-dom{font-weight:700;font-size:var(--fs-sm);color:var(--muted)}
.nx-intro,.nx-res{max-width:760px;background:var(--surface);border:1.5px solid var(--line);border-top:8px solid var(--maths-fill);border-radius:24px;padding:24px 28px;margin-top:10px}
.nx-intro.reading{border-top-color:var(--reading-fill)} .nx-intro.language{border-top-color:var(--language-fill)} .nx-intro.writing{border-top-color:var(--writing-fill)}
.nx-intro h2,.nx-res h2{margin:22px 0 8px}
.nx-res .tiles{margin:14px 0 10px}
.nx-intro-meta{font-size:var(--fs-lg)}
.nx-rules{padding-left:1.2em;line-height:1.7}
.nx-callout{background:var(--attention-fill);border-radius:14px;padding:12px 16px}
.nx-check{background:var(--panel);border-radius:16px;padding:4px 18px 14px;margin-top:18px}
.nx-disc{font-size:var(--fs-sm);color:var(--muted);margin-top:18px}
.nx-intro-a{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;margin-top:18px}
.nx-break{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:700px){ .nx-break{grid-template-columns:1fr} }
.nx-btable{width:100%;border-collapse:collapse}
.nx-btable th,.nx-btable td{padding:7px 6px;border-top:1px solid var(--line);text-align:left;font-size:var(--fs-sm)}
.nx-btable td:nth-child(2){white-space:nowrap}
.nx-meter{display:block;width:100%;min-width:60px;height:10px;border-radius:5px;background:var(--panel);overflow:hidden}
.nx-meter span{display:block;height:100%;background:var(--nx-action)}
.nx-rlist{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.nx-ritem{border:1.5px solid var(--line);border-radius:16px;padding:12px 16px}
.nx-ritem p{margin:4px 0}
.nx-rhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nx-rn{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--panel);font-weight:800}
.nx-rq{color:var(--muted)}
.tag.warn{background:var(--attention-fill)}

/* Writing studio timed test inside the shared exam frame (studio.js examView) */
.nx-wexam .nx-qin.nx-wbody{max-width:72em;margin:0 auto;font-size:1.0625rem}
.nx-wexam .nx-q{padding:24px 40px 32px}
.nx-wexam .t-write{display:flex;flex-direction:column;min-height:100%}
.nx-wexam #weditor{min-height:max(320px,calc(100vh - 330px))}
.nx-wexam .t-plan{margin-top:16px}
.nx-wconfirm{position:absolute;inset:0;z-index:40;background:rgba(17,24,39,.5);display:grid;place-items:center;padding:16px}
.nx-wconfirm .nx-dlg{display:block;position:static;background:var(--surface);width:100%}
@media (max-width:640px){.nx-wexam .nx-q{padding:16px}}
.nx-doc ul.nx-steps,.nx-qin ul.nx-steps{list-style:none;padding-left:0}

/* Mocks page (base.js VIEWS.tests): one white tile per family with a coloured band on top */
.mk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:8px 0 28px}
.mk-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.mk-band{height:8px;background:var(--maths-fill)}
.mk-card.mini .mk-band{background:var(--writing-fill)} .mk-card.untimed .mk-band{background:var(--reading-fill)}
.mk-card.soon .mk-band{background:var(--line-strong)}
.mk-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.mk-body h3{margin:0;font-size:1.375rem}
.mk-body p{margin:0;color:var(--muted)}
.mk-body .mk-meta{display:flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);font-size:.95rem;margin-top:auto}
.mk-card.soon .mk-meta{color:var(--muted)}
.mk-body .btn{align-self:flex-start}

/* ---------- big screens: a framed test window like the ACARA public demo (Deb, 17 Oct 2026) ----------
   On a wide screen the player sits in a centred window on a grey surround, so Flag and Next stay close to the question
   instead of out in the far corner. Phones and small laptops keep the full-screen player. */
@media (min-width:1100px) and (min-height:640px){
  body.nx-on{background:#C7CBD2}
  .nx-player{inset:16px 0;margin:0 auto;width:min(1240px,calc(100vw - 96px));height:auto;border:1px solid var(--line-strong);box-shadow:0 0 0 100vmax #C7CBD2,0 10px 30px rgba(17,24,39,.18)}
  .nx-qin{font-size:calc(1.375rem * var(--nz))}
  .nx-q{padding:36px 48px 44px}
  .nx-foot{grid-template-columns:minmax(150px,1fr) 1.4fr minmax(150px,1fr) minmax(180px,1fr)}
}

/* ---------- ruler and protractor (numeracy) ---------- */
.nx-tbtn[aria-pressed="true"]{background:rgba(255,255,255,.2);box-shadow:inset 0 -3px 0 var(--sunny)}
.nx-tool{position:absolute;left:0;top:0;z-index:30;touch-action:none;cursor:grab;user-select:-webkit-none;user-select:none;outline:none}
.nx-tool.moving{cursor:grabbing}
.nx-tool:focus-visible .nxt-body{stroke:var(--sunny);stroke-width:3}
.nxt-svg{display:block;overflow:visible}
.nxt-body{fill:rgba(255,248,214,.82);stroke:#8a6d1a;stroke-width:1.2}
.nx-tool.protractor .nxt-body{fill:rgba(227,236,253,.78);stroke:var(--maths-soft-ink)}
.nxt-ticks line{stroke:var(--ink);stroke-width:1}
.nxt-ticks text{font:600 11px var(--font-sans);fill:var(--ink);text-anchor:middle}
.nx-tool.protractor .nxt-ticks text{font-size:10px} .nx-tool.protractor .nxt-ticks text.in{fill:var(--maths-soft-ink);font-size:9px}
.nxt-unit{font:700 11px var(--font-sans);fill:var(--ink);text-anchor:end}
.nxt-base{stroke:var(--maths-soft-ink);stroke-width:1.4} .nxt-centre{fill:none;stroke:var(--maths-soft-ink);stroke-width:1.6}
.nxt-turn,.nxt-x{position:absolute;border:0;padding:0;display:grid;place-items:center;cursor:pointer;font-family:var(--font-sans)}
.nxt-turn{width:26px;height:26px;border-radius:999px;background:var(--nx-action);border:3px solid #fff;box-shadow:0 1px 4px rgba(17,24,39,.35);cursor:grab}
.nx-tool.ruler .nxt-turn{right:-14px;top:17px} .nx-tool.protractor .nxt-turn{right:-14px;top:173px}
.nxt-x{width:26px;height:26px;border-radius:999px;background:var(--ink);color:#fff;font-size:18px;line-height:1;top:-13px;right:22px}
.nx-tool.protractor .nxt-x{top:4px;right:40px}
/* phones: no room for the ruler and protractor in the top bar, and they're too fiddly to use there */
@media (max-width:640px){.nx-tbtn{display:none} .nx-tool{display:none}}