/* Sifu — exercise-book visual system.
   Paper + grid + ink navy + seal red + marigold. No AI-default cream/terracotta. */
:root{
  --paper:#FBFAF4;
  --grid:#DCE5EE;
  --ink:#1C3A52;
  --ink2:#5B7385;
  --seal:#C8402C;
  --green:#2E8F63;
  --marigold:#E8A93A;
  --card:#FFFFFF;
  --line:#E4E0D3;
  --radius:14px;
  --disp:"Arial Rounded MT Bold","Trebuchet MS",system-ui,sans-serif;
  --body:"Segoe UI",Arial,sans-serif;
  --mono:"Cascadia Mono",Consolas,ui-monospace,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skiplink{position:fixed;left:12px;top:10px;z-index:100;background:var(--ink);color:var(--paper);
  padding:9px 13px;border-radius:8px;transform:translateY(-150%);font-weight:700}
.skiplink:focus{transform:translateY(0)}
body{
  margin:0;color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;
  background:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:28px 28px;
  background-attachment:fixed;
  min-height:100dvh;
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- header ---------- */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px clamp(16px,4vw,40px);position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.seal{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;
  background:var(--seal);color:var(--paper);font-size:22px;font-weight:700;
  box-shadow:0 2px 0 rgba(28,58,82,.18);font-family:serif}
.seal.small{width:32px;height:32px;font-size:18px}
.brandname{font-family:var(--disp);font-weight:800;font-size:22px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink2);text-decoration:none;font-weight:700;padding:7px 12px;border-radius:9px;font-size:15px}
.nav a.active,.nav a:hover{color:var(--ink);background:rgba(28,58,82,.07)}
.profilepicker select{font:inherit;font-size:14px;font-weight:700;color:var(--ink);background:var(--card);
  border:1px solid var(--line);border-radius:8px;padding:7px 28px 7px 9px;max-width:150px}
.navadd{font:inherit;font-size:14px;font-weight:700;color:var(--ink2);background:transparent;border:0;
  border-radius:8px;padding:7px 9px;cursor:pointer}
.navadd:hover,.navadd:focus-visible{color:var(--ink);background:rgba(28,58,82,.07);outline:none}
.levelpill{font-family:var(--mono);font-size:13px;font-weight:600;background:var(--ink);color:var(--paper);
  border-radius:99px;padding:4px 11px;margin-left:4px}

main{max-width:820px;margin:0 auto;padding:clamp(18px,4vw,44px) clamp(16px,4vw,40px) 90px}

/* ---------- home ---------- */
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--seal);margin:8px 0 10px}
.herotitle{font-family:var(--disp);font-weight:800;font-size:clamp(42px,9vw,72px);line-height:1.0;letter-spacing:-.02em;margin:0 0 18px}
.herotitle em{font-style:normal;position:relative;white-space:nowrap}
.herotitle em::after{content:"";position:absolute;left:-2%;right:-2%;bottom:6%;height:.28em;background:var(--marigold);opacity:.45;z-index:-1;border-radius:3px}
.herosub{max-width:56ch;color:var(--ink2);font-size:18px;margin:0 0 30px}

.startcard{background:var(--card);border:1.5px solid var(--ink);border-radius:var(--radius);
  padding:clamp(18px,3.5vw,28px);box-shadow:4px 4px 0 rgba(28,58,82,.14);margin-bottom:34px}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-weight:700;font-size:15px;margin-bottom:7px}
.field input{width:100%;font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper)}
.field input:focus{outline:2px solid var(--ink);outline-offset:1px}
.levelgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.levelcard{cursor:pointer;text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:12px;
  padding:14px 13px;font:inherit;color:var(--ink);transition:transform .08s ease,border-color .08s}
.levelcard:hover{border-color:var(--ink);transform:translateY(-2px)}
.levelcard:focus-visible{outline:3px solid var(--marigold)}
.preferencefield{border:0;padding:0;margin:0 0 18px}
.preferencefield legend,.compactfield>span{font-weight:800;margin-bottom:8px}
.trackgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.trackcard{min-height:66px;padding:12px 14px;text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:12px;cursor:pointer;color:var(--ink)}
.trackcard b,.trackcard span{display:block}
.trackcard span{font-size:12.5px;color:var(--ink2);margin-top:3px;line-height:1.35}
.trackcard.selected{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);background:#F2F7F5}
.compactfield{max-width:360px;margin-bottom:18px}
.compactfield select,.parenttools select{width:100%;min-height:44px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);padding:8px 10px;font:inherit}
.lvl{display:block;font-family:var(--disp);font-weight:800;font-size:30px;margin-bottom:5px}
.lvldesc{display:block;font-size:13.5px;color:var(--ink2);line-height:1.4}
.finehint{font-size:13.5px;color:var(--ink2);margin:14px 0 0}
.dailyplan{margin-top:14px;border-radius:10px;padding:12px 14px;background:#FFF7E6;border:1.5px solid var(--marigold);
  display:grid;gap:2px}
.dailyplan b{font-family:var(--disp);font-size:16px}
.dailyplan span{font-size:13.5px;color:var(--ink2)}
.trustbadge{margin-top:14px;border:1.5px solid var(--ink);border-radius:10px;padding:12px 14px;background:#F7FBF7;
  display:grid;gap:3px;color:var(--ink)}
.trustbadge b{font-family:var(--disp);font-size:16px}
.trustbadge span{font-size:13.5px;color:var(--ink2);line-height:1.35}

.threecol{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.how{background:transparent;border-top:3px solid var(--ink);padding-top:12px}
.how h3{font-family:var(--disp);font-weight:800;font-size:18px;margin:0 0 6px}
.how p{font-size:14.5px;color:var(--ink2);margin:0}

/* ---------- practice ---------- */
.missionbar{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:12px 14px;margin-bottom:14px;box-shadow:0 2px 0 rgba(28,58,82,.06)}
.missionbar>div:first-child{display:grid;gap:1px;min-width:190px}
.missioneyebrow{font-family:var(--mono);font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--seal)}
.missioncells{display:flex;align-items:center;gap:5px;flex:1}
.missioncells i{display:block;height:10px;flex:1;max-width:48px;background:#E8EDF0;border-radius:99px}
.missioncells i.current{outline:2px solid var(--marigold);outline-offset:2px}
.missioncells i.done{background:var(--green)}
.missionclear{font:inherit;font-size:12.5px;font-weight:700;border:0;background:transparent;color:var(--ink2);cursor:pointer;padding:7px}
.missionclear:hover,.missionclear:focus-visible{color:var(--ink);text-decoration:underline;outline:none}
.examrule{font-family:var(--mono);font-size:11.5px;color:var(--ink2);white-space:nowrap}
.qmeta{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.topicchip{font-family:var(--mono);font-size:13px;font-weight:600;background:var(--ink);color:var(--paper);
  padding:5px 12px;border-radius:99px}
.diffdots{display:inline-flex;gap:5px}
.diffdots i{width:9px;height:9px;border-radius:50%;background:var(--line);display:inline-block}
.diffdots i.on{background:var(--marigold)}
.streak{margin-left:auto;font-weight:700;background:#FFF4DE;border:1px solid var(--marigold);
  padding:4px 12px;border-radius:99px;font-size:15px}

.qcard{background:var(--card);border:1.5px solid var(--ink);border-radius:var(--radius);
  box-shadow:5px 5px 0 rgba(28,58,82,.14);overflow:hidden}
.qpaper{position:relative;padding:clamp(22px,4vw,34px) clamp(20px,4vw,34px) clamp(22px,4vw,30px) clamp(42px,7vw,58px);
  background-image:
    linear-gradient(0deg, rgba(220,229,238,.55) 1px, transparent 1px);
  background-size:100% 30px;
  border-bottom:1.5px dashed var(--line)}
.qpaper::before{content:"";position:absolute;top:0;bottom:0;left:clamp(26px,5vw,38px);width:2px;background:rgba(200,64,44,.45)}
.qprompt{font-size:clamp(19px,3.2vw,22px);line-height:30px;margin:0;font-weight:400}
.supporttools{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.supportbtn{font:inherit;font-size:13.5px;font-weight:700;color:var(--ink2);background:var(--card);
  border:1px solid var(--line);border-radius:9px;padding:9px 12px;cursor:pointer;min-height:44px}
.supportbtn:hover,.supportbtn:focus-visible{border-color:var(--ink);color:var(--ink);outline:none}
.speechstatus{min-height:18px;margin:5px 0 0;color:var(--ink2);font-size:12.5px}
.unpackbox{display:grid;gap:10px;margin-top:12px;padding:13px 14px;background:#EEF7FF;border:1px solid #8CB8D3;border-radius:10px}
.unpackbox>div{display:grid;grid-template-columns:82px 1fr;gap:10px}
.unpackbox b{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.unpackbox p,.unpackbox ul{margin:0;font-size:15px}
.unpackbox ul{padding-left:20px}
.helpertranslation{border-top:1px solid #B9D2E1;padding-top:9px}
.hinthelper{display:block;margin-top:8px;padding-top:8px;border-top:1px solid rgba(28,58,82,.18);font-weight:600;color:var(--ink)}

.answerrow{display:flex;gap:10px;padding:16px clamp(16px,3vw,24px) 4px;align-items:stretch}
.answerbox{flex:1;display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:10px;
  background:var(--paper);padding:0 14px}
.answerbox:focus-within{border-color:var(--ink);outline:2px solid var(--ink);outline-offset:1px}
.answerbox input{flex:1;border:0;background:transparent;font-family:var(--mono);font-size:19px;font-weight:600;
  padding:13px 0;min-width:0;color:var(--ink)}
.answerbox input:focus{outline:none}
.unit{font-family:var(--mono);font-size:15px;color:var(--ink2);font-weight:600;white-space:nowrap}

.btn{cursor:pointer;font:inherit;font-weight:700;border-radius:10px;border:1.5px solid var(--ink);
  padding:11px 18px;background:var(--card);color:var(--ink);transition:transform .07s ease}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid var(--marigold)}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.ghost{border-color:var(--line);color:var(--ink2);background:transparent}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn.next{background:var(--green);border-color:var(--green);color:#fff;margin-left:auto}
.btn[disabled]{opacity:.5;cursor:default;transform:none}

.qactions{display:flex;gap:9px;padding:12px clamp(16px,3vw,24px) 18px;flex-wrap:wrap;align-items:center}
.hintcount{font-family:var(--mono);font-size:12px;opacity:.8}
.hintbox{margin:0 clamp(16px,3vw,24px) 18px;background:#FFF7E6;border:1.5px solid var(--marigold);
  border-radius:10px;padding:13px 15px;font-size:15.5px}
.hintbox b{font-family:var(--mono);font-size:12.5px;color:#9A6B12;display:block;margin-bottom:3px;letter-spacing:.05em}

.feedback{margin:12px clamp(16px,3vw,24px) 0;border-radius:10px;padding:13px 15px;font-size:15.5px;font-weight:400;border:1.5px solid}
.feedback.good{background:#EAF6EF;border-color:var(--green);color:#1D5C40}
.feedback.bad{background:#FBEDEA;border-color:var(--seal);color:#8A2B1D}
.feedback.tryagain{background:#FFF7E6;border-color:var(--marigold);color:var(--ink)}
.feedback.replay{background:#EEF7FF;border-color:#6CA4C8;color:var(--ink)}
.feedback b{font-weight:700}
.asklink{display:inline-block;margin-left:4px;margin-top:6px;font:inherit;font-weight:700;font-size:14.5px;
  cursor:pointer;color:var(--seal);background:transparent;border:0;border-bottom:2px solid currentColor;
  padding:0 0 1px;line-height:1.3}
.asklink:hover{color:#9A2416}
.asklink:focus-visible{outline:3px solid var(--marigold);outline-offset:2px}
.replaylink{color:var(--green)}
.working{margin:12px clamp(16px,3vw,24px) 0;background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:14px 16px}
.working h4{margin:0 0 8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--ink2);text-transform:uppercase}
.working ol{margin:0;padding-left:20px}
.working li{font-family:var(--mono);font-size:14.5px;margin-bottom:6px;line-height:1.5}

.masteryline{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:14px;color:var(--ink2)}
.masteryline b{color:var(--ink)}

/* unit bars — the bar-model signature */
.unitbar{display:flex;gap:2px;height:16px;flex:1;max-width:340px}
.unitbar.small{height:12px;max-width:220px}
.unitbar .fill{display:flex;gap:2px;width:100%}
.unitbar i{flex:1;background:rgba(28,58,82,.10);border-radius:2px}
.unitbar i.on{background:var(--green)}
.unitbar i.on.warm{background:var(--marigold)}
.unitbar i.on.low{background:var(--seal)}

/* ---------- progress ---------- */
.parentgate{max-width:520px;margin:46px auto;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:24px;box-shadow:0 8px 24px rgba(28,58,82,.08)}
.parentgate h1{font-family:var(--disp);font-size:28px;line-height:1.2;margin:8px 0}
.parentgate>p:not(.eyebrow){color:var(--ink2)}
.parentgate form{margin-top:18px}
.parentgate label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}
.parentgate form>div{display:flex;gap:8px}
.parentgate input{flex:1;min-width:0;font:700 22px/1 var(--mono);letter-spacing:.25em;padding:11px 13px;
  border:1.5px solid var(--line);border-radius:9px;background:var(--paper)}
.parentgate input:focus{outline:3px solid var(--marigold);border-color:var(--ink)}
#view-progress.parent-locked>:not(#parentGate){display:none!important}
.parenttools{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:4px}
.parenttools label{font-size:12.5px;font-weight:800;max-width:260px}
.languagecontext{margin:0 0 8px;color:var(--ink2);font-size:13.5px}
.sectiontitle{font-family:var(--disp);font-weight:800;font-size:clamp(24px,5vw,32px);margin:8px 0 4px;letter-spacing:-.01em}
.sectionsub{color:var(--ink2);margin:0 0 20px}
.weeklybrief{margin:0 0 30px}
.weeklygrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:12px}
.weeklygrid article{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 14px;display:grid;gap:2px}
.weeklygrid b{font-family:var(--disp);font-size:26px;line-height:1}
.weeklygrid span{font-size:12.5px;color:var(--ink2)}
.nextplan{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#FFF7E6;
  border:1.5px solid var(--marigold);border-radius:12px;padding:17px 18px}
.nextplan h2{font-family:var(--disp);font-size:24px;margin:3px 0 5px}
.nextplan p{margin:0;color:var(--ink2);font-size:14.5px;max-width:54ch}
.nextplan .parentprompt{margin-top:7px;color:var(--ink);font-weight:700}
.examcard{background:#EEF7FF;border:1px solid #8CB8D3;border-radius:12px;padding:18px;margin:-12px 0 30px}
.examcard h2{font-family:var(--disp);font-size:24px;margin:4px 0 6px}
.examcard>p{margin:5px 0;color:var(--ink2);font-size:14.5px}
.examcard .parentprompt{color:var(--ink);font-weight:700}
.exambuttons{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 8px}
.foundationcard{background:#F2F7F5;border:1px solid #94B9A7;border-radius:12px;padding:18px;margin:-12px 0 30px}
.foundationcard h2{font-family:var(--disp);font-size:24px;margin:4px 0 6px}
.foundationcard p{margin:5px 0;color:var(--ink2);font-size:14.5px}
.masterylist{display:flex;flex-direction:column;gap:13px;margin-bottom:26px}
.mrow{display:grid;grid-template-columns:150px 1fr 130px;align-items:center;gap:12px;
  background:var(--card);border:1.5px solid var(--line);border-radius:10px;padding:11px 15px}
.mrow .tname{font-weight:700;font-size:15px}
.mrow .pct{font-family:var(--mono);font-size:14px;font-weight:600;text-align:right;color:var(--ink2)}
.focus{background:#FFF7E6;border:1.5px solid var(--marigold);border-radius:10px;padding:14px 16px;margin-bottom:28px;font-size:15.5px}
.profilepanel{margin:22px 0 28px}
.misconceptionlist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px}
.mcard{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 14px}
.mcard b{display:block;font-family:var(--disp);font-size:16px;margin-bottom:4px}
.mcard span{display:block;color:var(--ink2);font-family:var(--mono);font-size:12.5px;margin-bottom:8px}
.mcard p{margin:0;color:var(--ink);font-size:14px;line-height:1.35}
.passportgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:28px}
.passportchip{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:10px 12px;min-height:72px}
.passportchip b{display:block;font-size:14px;line-height:1.2;margin-bottom:6px}
.passportchip span{font-family:var(--mono);font-size:11.5px;color:var(--ink2)}
.passportchip.weak{border-color:var(--marigold);background:#FFF7E6}
.passportchip.practised{border-color:var(--green);background:#EAF6EF}
.passportchip.not_yet_attempted{background:var(--paper)}
.recentlist{display:flex;flex-direction:column;gap:7px;margin-bottom:20px}
.rrow{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:9px;padding:9px 13px;font-size:14px}
.rrow .mark{font-weight:700;width:20px;text-align:center}
.rrow .mark.good{color:var(--green)}
.rrow .mark.bad{color:var(--seal)}
.rrow .mark.retry{color:#9A6B12}
.rrow .rtopic{font-weight:700}
.rrow .rmeta{margin-left:auto;color:var(--ink2);font-family:var(--mono);font-size:12.5px}
.privacycentre{margin-top:28px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.privacycentre summary{cursor:pointer;font-weight:800}
.privacycentre p{font-size:14px;color:var(--ink2)}
.privacyactions{display:flex;gap:8px;flex-wrap:wrap}
.btn.danger{color:var(--seal);border-color:#D9A59C}
.restoreform{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.restoreform label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}
.restoreform>div{display:flex;gap:8px}
.restoreform input{flex:1;min-width:0;font-family:var(--mono);font-size:13px;padding:10px 12px;border:1px solid var(--line);
  border-radius:9px;background:var(--paper)}

/* ---------- drawer ---------- */
.scrim{position:fixed;inset:0;background:rgba(28,58,82,.35);z-index:40}
.drawer{position:fixed;right:0;top:0;bottom:0;width:min(420px,100vw);background:var(--card);z-index:50;
  display:flex;flex-direction:column;border-left:1.5px solid var(--ink);box-shadow:-6px 0 24px rgba(28,58,82,.15)}
.drawerhead{display:flex;align-items:center;gap:11px;padding:14px 16px;border-bottom:1.5px solid var(--line)}
.drawersub{font-size:12.5px;color:var(--ink2)}
.close{margin-left:auto;background:none;border:none;font-size:19px;cursor:pointer;color:var(--ink2);padding:6px}
.chatlog{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:86%;padding:10px 13px;border-radius:13px;font-size:15px;line-height:1.5;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--ink);color:var(--paper);border-bottom-right-radius:4px}
.msg.sifu{align-self:flex-start;background:var(--paper);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.thinking{color:var(--ink2);font-style:italic}
.chips{display:flex;gap:7px;padding:0 16px 10px;flex-wrap:wrap}
.chips button{cursor:pointer;font:inherit;font-size:13px;font-weight:700;color:var(--ink2);
  background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:6px 12px}
.chips button:hover{border-color:var(--ink);color:var(--ink)}
.chatrow{display:flex;gap:8px;padding:12px 16px;border-top:1.5px solid var(--line)}
.chatrow input{flex:1;font:inherit;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);min-width:0}
.chatrow input:focus{outline:2px solid var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:640px){
  .threecol{grid-template-columns:1fr}
  .levelgrid{grid-template-columns:1fr}
  .trackgrid{grid-template-columns:1fr}
  .misconceptionlist,.passportgrid{grid-template-columns:1fr}
  .mrow{grid-template-columns:1fr;gap:7px}
  .mrow .pct{text-align:left}
  .answerrow{flex-direction:column}
  .missionbar{align-items:flex-start;flex-wrap:wrap}
  .missionbar>div:first-child{min-width:0}
  .missioncells{flex-basis:100%;order:3}
  .examrule{white-space:normal}
  .weeklygrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nextplan{align-items:stretch;flex-direction:column}
  .nextplan .btn{width:100%}
  .unpackbox>div{grid-template-columns:1fr;gap:3px}
  .restoreform>div{flex-direction:column}
  .parentgate form>div{flex-direction:column}
  .parenttools{align-items:stretch;flex-direction:column}
  .parenttools label{max-width:none}
  .streak{margin-left:0}
  .btn.next{margin-left:0;width:100%}
  .nav{gap:2px}
  .nav a{padding:7px 6px;font-size:13px}
  .brandname{display:none}
  .profilepicker select{max-width:88px;font-size:12px;padding:6px 7px}
  .navadd{display:block;font-size:12px;padding:6px}
  .levelpill{display:none}
}

/* ---------- deterministic figures & bar models ---------- */
.qfigure{margin:16px 0 4px;display:flex;justify-content:center}
.qfigure svg,.modelbox svg{display:block;max-width:100%;height:auto}
.modeltoggle{margin:14px 0 0;cursor:pointer;font:inherit;font-size:14px;font-weight:700;color:var(--ink2);
  background:transparent;border:1.5px dashed var(--line);border-radius:9px;padding:8px 14px}
.modeltoggle:hover{border-color:var(--ink);color:var(--ink)}
.modeltoggle:focus-visible{outline:3px solid var(--marigold)}
.modelbox{margin:12px 0 4px;background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:16px 14px 8px;overflow-x:auto}
.modelnote{font-size:12.5px;color:var(--ink2);margin:8px 0 4px}