:root{--navy:#172641;--navy2:#263957;--bg:#f4f6fa;--paper:#fff;--sub:#f8f9fd;--ink:#1e2b42;--muted:#697891;--line:#e2e7ef;--blue:#4966e9;--blue2:#eaf0ff;--blue3:#2947c0;--green:#168a66;--greenbg:#e9f8f1;--red:#d64e58;--redbg:#fff0f0;--orange:#d38d25;--orangebg:#fff6e9;--shadow:0 10px 35px rgba(32,50,85,.055);--r:14px;--font:16px;color-scheme:light}
body[data-theme="dark"]{--navy:#0b1220;--navy2:#25314b;--bg:#101623;--paper:#1c2637;--sub:#172131;--ink:#eef3fa;--muted:#a0afc5;--line:#334258;--blue:#91a5ff;--blue2:#283559;--blue3:#c0ccff;--green:#67d8a9;--greenbg:#1c403b;--red:#ff8f9c;--redbg:#442b38;--orange:#ffd280;--orangebg:#433b2b;--shadow:none;color-scheme:dark}
body[data-theme="warm"]{--navy:#413d38;--navy2:#554d43;--bg:#f4f0e8;--paper:#fffdf7;--sub:#f8f4eb;--ink:#39352f;--muted:#7b746b;--line:#e8e0d4;--blue:#907044;--blue2:#f2e9d9;--blue3:#775727;--green:#397c58;--greenbg:#ebf4e6;--red:#b25746;--redbg:#fbede8;--orange:#b78234;--orangebg:#faf0d9;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--bg);color:var(--ink);font:var(--font)/1.55 Inter,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid 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22px;text-align:left}.brand-symbol{display:grid;place-items:center;width:39px;height:39px;background:#6476f0;color:white;border-radius:12px;box-shadow:0 5px 15px #3d53bb66;font-size:23px;font-weight:850;letter-spacing:-2px}.brand-symbol span{font-size:12px;align-self:start}.brand strong{display:block;font-size:15px;letter-spacing:.2px}.brand small{color:#9cb0d0;display:block;font-size:11px}.nav-section{padding:20px 24px 8px;color:#8499b8;text-transform:uppercase;font-size:10px;letter-spacing:1.5px;font-weight:750}.navlinks{padding:0 12px}.navlink{border:0;width:100%;display:flex;align-items:center;gap:12px;background:transparent;padding:12px 14px;border-radius:9px;text-align:left;color:#b6c5dd;font-size:14px;margin:2px 0}.navlink:hover,.navlink.active{background:#314365;color:white}.navlink.active{box-shadow:inset 3px 0 0 #a9baff;font-weight:650}.navlink .chev{margin-left:auto;font-size:11px;opacity:.75}.navfoot{margin-top:auto;padding:18px 19px;border-top:1px solid 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h3{font-size:14px;line-height:1.5;margin:12px 0 auto}.badge{background:var(--blue2);color:var(--blue3);display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:6px;font-size:11px;font-weight:750;white-space:nowrap}.badge.neutral{background:var(--sub);color:var(--muted);border:1px solid var(--line)}.badge.green{background:var(--greenbg);color:var(--green)}.badge.red{background:var(--redbg);color:var(--red)}.badge.orange{background:var(--orangebg);color:var(--orange)}.chapterfoot{display:flex;align-items:center;justify-content:space-between;margin-top:13px;margin-bottom:10px;font-size:12px;color:var(--muted)}.lecturegroup{margin-bottom:28px}.lecturegroup-title{display:flex;align-items:center;gap:10px;margin-bottom:13px;font-size:16px;font-weight:750}.groupdot{width:9px;height:9px;background:var(--blue);border-radius:50%}.listrow{padding:15px 4px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px}.listrow:last-child{border-bottom:0}.listrow strong{font-size:14px}.listrow .muted{font-size:12px}.listrow .rowactions{display:flex;align-items:center;gap:12px;flex-shrink:0}.fieldset{margin-bottom:20px}.fieldset label.label{display:block;font-size:12px;font-weight:700;margin:0 0 8px}.input,.select,.textarea{width:100%;border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:11px 12px;min-height:41px;font-size:14px}.textarea{resize:vertical}.formcolumns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.selection-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;max-height:355px;overflow-y:auto}.selection-card{display:flex;align-items:flex-start;gap:9px;background:var(--sub);border:1px solid var(--line);padding:10px;border-radius:9px;font-size:12px;line-height:1.45;cursor:pointer}.selection-card input{accent-color:var(--blue);margin-top:3px}.config-summary{background:var(--sub);border:1px solid var(--line);border-radius:11px;padding:20px;position:sticky;top:90px}.config-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,.75fr);gap:18px}.toggle-line{display:flex;align-items:center;gap:10px;font-size:13px;padding:6px 0}.toggle-line input{accent-color:var(--blue)}.segmented{display:flex;border:1px solid var(--line);background:var(--sub);padding:4px;border-radius:10px;gap:3px}.segmented button{background:transparent;border:0;flex:1;padding:10px;border-radius:8px;font-size:12px;font-weight:750}.segmented button.active{background:var(--paper);color:var(--blue3);box-shadow:var(--shadow)}.empty{text-align:center;padding:55px 25px;color:var(--muted)}.empty .icon{width:32px;height:32px;margin-bottom:12px}.information{padding:14px 17px;font-size:12px;line-height:1.6;background:var(--blue2);color:var(--blue3);border-radius:9px}.information.warning{background:var(--orangebg);color:var(--ink)}.load-screen{display:flex;align-items:center;justify-content:center;gap:13px;min-height:100vh;flex-direction:column;color:var(--muted)}.load-logo{height:55px;width:55px;display:grid;place-items:center;color:white;background:#5268e5;border-radius:14px;font-size:29px;font-weight:850}.load-screen strong{color:var(--ink);font-size:19px}.load-screen span{font-size:13px}.wide{width:100%}.filterpills{display:flex;flex-wrap:wrap;gap:7px}.inline-progress{display:flex;align-items:center;gap:12px}.inline-progress .progressbar{flex:1}.detail-pill{font-size:12px;color:var(--muted)}.rowactions{display:flex;gap:7px;align-items:center}.auditlist{padding-left:20px;line-height:1.9;font-size:13px}.auditlist li{padding:2px 0}
/* Exam player — dedicated distraction-free workspace */
.exam{min-height:100vh;background:var(--bg)}.examtop{height:64px;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 18px;position:sticky;top:0;z-index:30}.examtop .left,.examtop .right{display:flex;align-items:center;gap:8px;min-width:0}.examtop .title{font-size:14px;font-weight:750;white-space:nowrap}.examtop .subtitle{font-size:11px;color:var(--muted)}.exambottomprogress{height:3px;background:var(--line)}.exambottomprogress div{height:100%;background:var(--blue);transition:width .2s}.timer{display:flex;align-items:center;gap:7px;font-size:13px;font-variant-numeric:tabular-nums;font-weight:750;padding:9px 12px;border-radius:8px;background:var(--sub);border:1px solid var(--line)}.timer.low{background:var(--redbg);color:var(--red)}.examspace{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100vh - 67px);transition:grid-template-columns .2s}.examspace.nav-hidden{grid-template-columns:0 minmax(0,1fr)}.qnav{border-right:1px solid var(--line);background:var(--paper);position:sticky;top:67px;max-height:calc(100vh - 67px);overflow-y:auto;overflow-x:hidden;min-width:0}.nav-hidden .qnav{visibility:hidden}.nav-head{padding:23px 18px 16px;border-bottom:1px solid var(--line)}.nav-head h3{font-size:15px;margin:0 0 13px}.navsmall{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:10px}.qnumgrid{padding:18px 16px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.qslot{position:relative;background:var(--sub);border:1px solid var(--line);color:var(--ink);height:36px;border-radius:6px;font-size:11px;font-weight:700}.qslot.current{border-color:var(--blue);color:var(--blue3);box-shadow:0 0 0 1px var(--blue)}.qslot.answered{background:var(--blue2);color:var(--blue3)}.qslot.correct{background:var(--greenbg);color:var(--green)}.qslot.wrong{background:var(--redbg);color:var(--red)}.qslot .dot{position:absolute;right:2px;top:2px;background:var(--blue);height:5px;width:5px;border-radius:50%}.qslot .flagdot{position:absolute;bottom:1px;left:2px;background:var(--orange);height:5px;width:7px;border-radius:3px}.navlegend{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:8px 17px 22px;font-size:11px;color:var(--muted)}.legenddot{display:inline-block;vertical-align:middle;height:9px;width:9px;border-radius:3px;background:var(--line);margin-right:6px}.legenddot.blue{background:var(--blue)}.legenddot.green{background:var(--green)}.legenddot.orange{background:var(--orange)}.legenddot.red{background:var(--red)}.exam-body{min-width:0;max-width:1140px;width:100%;margin:0 auto;padding:28px 36px 60px}.questioncard{padding:32px 38px}.qhead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.qhead .meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.question-text{white-space:pre-wrap;font-size:1.065em;line-height:1.8;font-weight:610;margin:20px 0 22px;overflow-wrap:anywhere}.question-text::selection,.sourceblock ::selection{background:#ffe9a5}.question-text mark{padding:1px 0;border-radius:2px;color:inherit}.choice{display:flex;align-items:flex-start;gap:14px;width:100%;padding:14px 14px;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:10px;margin:10px 0;transition:background .13s,border-color .13s;line-height:1.65;font-size:.95em}.choice:hover:not(:disabled){border-color:var(--blue)}.choice.selected{border-color:var(--blue);background:var(--blue2)}.choice.correct{border-color:var(--green);background:var(--greenbg)}.choice.incorrect{border-color:var(--red);background:var(--redbg)}.choiceletter{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;min-width:28px;width:28px;height:28px;font-size:12px;font-weight:750;background:var(--paper)}.choicetext{flex:1;min-width:0;overflow-wrap:anywhere}.choicetext.struck{text-decoration:line-through;opacity:.48}.strikebtn{background:transparent;border:1px solid var(--line);border-radius:6px;min-width:29px;height:29px;font-size:12px;color:var(--muted)}.strikebtn:hover{color:var(--red)}.choicecheck{color:var(--green)}.sourceblock{border:1px solid var(--line);border-radius:11px;overflow:hidden;margin-top:18px}.sourceline{padding:7px 15px;font-size:.89em;white-space:pre-wrap;overflow-wrap:anywhere}.sourceline.heading{font-weight:750;background:var(--sub);padding:10px 15px;margin-top:6px}.sourceline.answerline{background:var(--greenbg);color:var(--ink)}.sourceline.stemline{font-weight:600}.sourceanswer{background:var(--greenbg);border-left:4px solid var(--green);padding:17px 19px;border-radius:8px;margin-top:22px;white-space:pre-wrap;font-size:14px}.sourceanswer.warning{background:var(--orangebg);border-color:var(--orange)}.sourceanswer b{font-size:14px;display:block;margin-bottom:7px}.medicalimage{max-width:100%;max-height:370px;object-fit:contain;border-radius:9px;border:1px solid var(--line);cursor:zoom-in;display:block}.image-grid{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.qactions{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:26px;border-top:1px solid var(--line);padding-top:20px}.qactions>div{display:flex;gap:8px;flex-wrap:wrap}.qtinybar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:0 0 16px}.qtinybar .btn{font-weight:600}.topstatus{font-size:11px;color:var(--muted)}.footnotice{margin-top:13px;font-size:11px;color:var(--muted)}.qbottom{margin-top:17px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);gap:12px;flex-wrap:wrap;font-size:11px}.flagsummary{margin:15px;color:var(--muted);font-size:11px}.highlighted{background:#fff3b4!important}hr{border:0;border-top:1px solid var(--line);margin:20px 0}
/* Modals, overlays and reports */
.modalback{position:fixed;inset:0;background:rgba(7,15,31,.60);backdrop-filter:blur(3px);z-index:80;display:flex;align-items:center;justify-content:center;padding:20px}.dialog{background:var(--paper);border-radius:15px;width:min(670px,100%);max-height:min(85vh,900px);overflow:auto;box-shadow:0 32px 100px rgba(0,0,0,.22);border:1px solid var(--line)}.dialog.wide{width:min(1000px,100%)}.dialog-header{padding:21px 24px 14px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:18px;margin:0}.dialog-body{padding:24px}.dialog-body .listrow{padding-left:0;padding-right:0}.dialog img{max-width:100%;max-height:68vh;object-fit:contain;display:block;margin:auto}.search-results{max-height:48vh;overflow-y:auto}.search-hit{display:block;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);padding:13px 5px;font-size:13px}.search-hit:hover{background:var(--sub)}.search-hit strong{display:block;margin-bottom:3px}.report-meter{background:var(--sub);border-radius:8px;padding:12px 14px;display:flex;justify-content:space-between;margin-bottom:9px;gap:10px;font-size:13px}.overlaypause{position:fixed;z-index:65;inset:67px 0 0;background:rgba(12,21,40,.86);backdrop-filter:blur(7px);display:grid;place-items:center;color:#fff}.pausepanel{text-align:center;max-width:400px;padding:30px}.pausepanel h2{font-size:30px;margin:15px 0}.pausepanel p{color:#bdc9dd}.chartbars{display:flex;align-items:end;gap:8px;min-height:160px;padding:12px 0 27px}.chartcol{flex:1;height:150px;display:flex;align-items:center;justify-content:flex-end;flex-direction:column;gap:5px;min-width:0}.chartbar{background:var(--blue);width:75%;border-radius:6px 6px 0 0;min-height:3px}.chartlabel{font-size:10px;color:var(--muted);white-space:nowrap}.performance-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;margin-top:18px}.testrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}.testrow:last-child{border-bottom:0}#toast{position:fixed;right:20px;bottom:20px;max-width:min(440px,calc(100vw - 40px));background:#263650;color:white;padding:12px 16px;border-radius:9px;box-shadow:0 10px 20px #0004;z-index:150;opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s;font-size:13px}#toast.show{opacity:1;transform:translateY(0)}
@media(max-width:1220px){.appnav{width:206px}.content{padding:26px}.chaptergrid{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-body{padding:23px}.questioncard{padding:26px}}
@media(max-width:950px){.appnav{width:72px}.brand{padding:20px 16px}.brand>div:not(.brand-symbol),.nav-section,.navlink span,.navlink .chev,.navfoot{display:none}.navlink{justify-content:center;padding:13px}.appnav .navlinks{padding:0 7px}.topbar{padding:0 21px}.split,.performance-grid{grid-template-columns:1fr}.examspace{grid-template-columns:195px minmax(0,1fr)}.examspace.nav-hidden{grid-template-columns:0 minmax(0,1fr)}.qnumgrid{grid-template-columns:repeat(4,1fr)}.examtop .subtitle{display:none}}
@media(max-width:720px){.appnav{height:60px;width:100%;position:fixed;bottom:0;top:auto;z-index:50;flex-direction:row;align-items:center}.appnav .brand,.appnav .nav-section,.appnav .navfoot{display:none}.appnav .navlinks{width:100%;display:flex;justify-content:space-around;padding:4px 5px}.navlink{flex-direction:column;gap:0;font-size:10px;padding:6px;width:20%;align-items:center}.navlink span{display:block;font-size:9px;text-align:center;white-space:nowrap}.navlink .icon{width:18px;height:18px}.appmain{padding-bottom:65px}.topbar{height:60px}.content{padding:22px 14px 70px}.pageintro{align-items:flex-start;flex-direction:column}.pageintro h1{font-size:25px}.statgrid{grid-template-columns:1fr 1fr;gap:9px}.statbox{padding:14px}.statbox .metric{font-size:24px}.chaptergrid{grid-template-columns:1fr;gap:10px}.split,.config-layout{grid-template-columns:1fr}.config-summary{position:static}.formcolumns,.selection-grid{grid-template-columns:1fr}.examtop{padding:0 10px;height:59px}.examtop .title{font-size:12px}.examtop .right{gap:4px}.examtop .btn{padding:7px 9px;min-height:34px}.examtop .btn .mobilehidden{display:none}.examtop .timer{padding:7px}.exambottomprogress{height:3px}.examspace,.examspace.nav-hidden{display:block}.qnav{position:fixed;top:62px;left:0;bottom:0;width:250px;z-index:35;max-height:none;box-shadow:12px 0 30px #0003;transform:translateX(0);transition:.2s}.nav-hidden .qnav{transform:translateX(-110%);visibility:hidden}.exam-body{padding:13px 11px 50px}.questioncard{padding:18px 15px}.question-text{font-size:1em}.qactions{gap:9px}.qtinybar{gap:4px}.qtinybar .btn{padding:6px 9px;min-height:32px}.mobilehide{display:none}.modalback{padding:10px}.dialog-body{padding:17px}.dialog-header{padding:15px}.btn.icononly{width:35px;min-width:35px}.report-meter{font-size:12px}}

.flashfront{border:1px solid var(--line);border-radius:14px;background:var(--sub);padding:25px;margin-top:20px}.flashchoices{display:grid;gap:9px;font-size:14px;line-height:1.65}.flashchoices>div{border:1px solid var(--line);padding:9px 13px;background:var(--paper);border-radius:8px}
@media(max-width:720px){.examtop .title{display:none}.flashfront{padding:16px}.navlink{gap:2px}}


/* Clinical QBank classic layout polish — independent adaptation of publicly visible reference. */
body[data-theme="light"]{--navy:#2369ab;--navy2:#1d5e9e;--bg:#f7f9fb;--blue:#2672bb;--blue2:#e7f2fc;--blue3:#145a94;--shadow:0 5px 20px rgba(28,67,103,.045);--r:10px}
body[data-theme="light"] .appnav{background:linear-gradient(180deg,#266caf 0%,#2368aa 80%,#1e609f 100%);width:218px}
body[data-theme="light"] .brand{border-bottom:1px solid rgba(255,255,255,.13);padding:24px 17px 19px}
body[data-theme="light"] .brand-symbol{background:#fff;color:#246bab;box-shadow:0 2px 8px rgba(0,0,0,.12)}
body[data-theme="light"] .brand small{color:#d3e7f8}
body[data-theme="light"] .nav-section{color:#d2e7fa;padding:19px 19px 9px}
body[data-theme="light"] .navlinks{padding:0 10px}
body[data-theme="light"] .navlink{color:#f1f8ff;font-weight:500;font-size:13px;padding:10px 13px;border-radius:6px}
body[data-theme="light"] .navlink:hover,body[data-theme="light"] .navlink.active{background:#165995;color:#fff}
body[data-theme="light"] .navlink.active{box-shadow:inset 3px 0 0 white;font-weight:700}
body[data-theme="light"] .navfoot{color:#e1effb;border-color:#ffffff31}
body[data-theme="light"] .topbar{height:56px;padding:0 26px}
body[data-theme="light"] .content{padding-top:24px}
body[data-theme="light"] .btn.primary{background:#246eae;border-color:#246eae;box-shadow:none}
body[data-theme="light"] .btn.primary:hover:not(:disabled){background:#145c96;border-color:#145c96}
body[data-theme="light"] .pageintro h1{font-size:27px}
body[data-theme="light"] .statbox .metric{font-size:27px}
body[data-theme="light"] .chaptercard{min-height:160px}
body[data-theme="light"] .examtop{height:57px}
body[data-theme="light"] .examspace{min-height:calc(100vh - 60px)}
body[data-theme="light"] .qnav{top:60px;max-height:calc(100vh - 60px)}
body[data-theme="light"] .examspace{grid-template-columns:220px minmax(0,1fr)}
body[data-theme="light"] .examspace.nav-hidden{grid-template-columns:0 minmax(0,1fr)}
body[data-theme="light"] .questioncard{box-shadow:0 5px 22px rgba(24,53,85,.05)}
@media(max-width:920px){body[data-theme="light"] .appnav{width:190px}body[data-theme="light"] .topbar{padding:0 15px}}
@media(max-width:720px){body[data-theme="light"] .appnav{width:218px}body[data-theme="light"] .examspace,body[data-theme="light"] .examspace.nav-hidden{display:block}body[data-theme="light"] .qnav{top:60px}}

/* Question copy and slides-chat controls */
.qtinybar .chatgpt-btn{border-color:var(--blue);color:var(--blue3);background:var(--blue2)}
.qtinybar .chatgpt-btn:hover:not(:disabled){filter:brightness(.97)}
@media(max-width:720px){.qtinybar .chatgpt-btn{padding:7px 9px}.qtinybar{row-gap:8px}}

/* V5: Open a fresh ChatGPT conversation with a question-only prompt. */

/* University attribution — visible on Dashboard only. */
.dashboard-credit{display:flex;align-items:center;gap:12px;flex-shrink:0;padding:9px 17px 9px 10px;background:var(--paper);border:1px solid var(--line);border-radius:13px;box-shadow:0 3px 14px rgba(23,57,92,.045)}
.dashboard-credit-logo{display:block;object-fit:contain;width:66px;height:66px;flex:0 0 66px}
.dashboard-credit-copy{display:flex;flex-direction:column;gap:3px;white-space:nowrap}
.dashboard-credit-copy strong{color:var(--ink);font-size:16px;font-weight:800;line-height:1.25;letter-spacing:.1px}
.dashboard-credit-copy span{color:var(--muted);font-size:12px;font-weight:650;line-height:1.4}
@media(max-width:720px){.dashboard-credit{padding:7px 13px 7px 7px;gap:9px}.dashboard-credit-logo{width:53px;height:53px;flex-basis:53px}.dashboard-credit-copy strong{font-size:14px}.dashboard-credit-copy span{font-size:11px}}

/* Backup controls */
.feature-card .rowactions{flex-wrap:wrap}
[data-action='importProgress'],[data-action='importNotes']{min-width:145px}

/* V8 responsive device support: desktop, iPad, Android and iOS Safari */
*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:clip;-webkit-text-size-adjust:100%;text-size-adjust:100%}
button,select,input,textarea{font:inherit}
button{touch-action:manipulation}
.qnav-scrim{display:none}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.highlight-control{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:8px;padding:3px;min-width:0;background:var(--paper)}
.highlight-control.active{background:var(--blue2);border-color:var(--blue)}
.highlight-toggle.active{color:var(--blue3);font-weight:800}
.highlight-palette .select{width:112px;max-width:112px;min-width:0;height:37px;padding:5px 4px;font-size:12px;cursor:pointer}
.highlight-hint{font-size:12px;font-weight:600;color:var(--blue3);margin-top:-7px;margin-bottom:12px;line-height:1.5}
.question-text,.question-text mark,.choicetext,.choicetext mark{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
.question-text mark,.choicetext mark{-webkit-box-decoration-break:clone;box-decoration-break:clone;color:inherit}
.questioncard,.exam-body,.appmain,.content{min-width:0}
@media(max-width:960px) and (min-width:721px){
  .appnav,body[data-theme="light"] .appnav{width:76px;min-width:76px}
  .appnav .brand{padding:15px 10px;justify-content:center}
  .appnav .brand>div:not(.brand-symbol),.appnav .nav-section,.appnav .navfoot,.appnav .navlink span,.appnav .navlink .chev{display:none}
  .appnav .navlinks,body[data-theme="light"] .navlinks{padding:0 7px}
  .appnav .navlink,body[data-theme="light"] .navlink{justify-content:center;padding:13px 6px}
  .topbar{padding:0 14px}
  .examspace,body[data-theme="light"] .examspace{grid-template-columns:195px minmax(0,1fr)}
  .examspace.nav-hidden,body[data-theme="light"] .examspace.nav-hidden{grid-template-columns:0 minmax(0,1fr)}
  .exam-body{padding:17px}
  .questioncard{padding:22px}
}
@media(max-width:720px){
  .shell{display:block;min-height:100dvh}
  .appnav,body[data-theme="light"] .appnav{height:calc(63px + env(safe-area-inset-bottom,0px));width:100%!important;min-width:0;position:fixed;top:auto;bottom:0;left:0;right:0;overflow-y:hidden;overflow-x:hidden;z-index:60;padding-bottom:env(safe-area-inset-bottom,0px);flex-direction:row;display:flex;border-radius:0}
  .appnav .brand,.appnav .nav-section,.appnav .navfoot{display:none!important}
  .appnav .navlinks,body[data-theme="light"] .navlinks{width:100%;height:63px;min-width:0;display:flex;justify-content:flex-start;align-items:stretch;gap:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:0 5px}
  .appnav .navlinks::-webkit-scrollbar{display:none}
  .appnav .navlink,body[data-theme="light"] .navlink{flex:0 0 77px;min-width:77px;max-width:77px;width:77px;margin:0;padding:7px 3px;border-radius:8px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:10px}
  .appnav .navlink .icon{width:19px;height:19px}
  .appnav .navlink span,body[data-theme="light"] .navlink span{display:block;font-size:10px;line-height:1.16;text-align:center;white-space:normal;max-height:25px;overflow:hidden}
  .appnav .navlink .chev{display:none!important}
  .appmain{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .content{padding:18px 12px calc(84px + env(safe-area-inset-bottom,0px))}
  .topbar,body[data-theme="light"] .topbar{height:56px;min-width:0;padding:0 11px;gap:7px}
  .topbar .breadcrumbs{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:12px}
  .topbar .top-actions{flex-shrink:0;gap:4px}
  .topbar .top-actions .btn{min-width:36px;height:36px;padding:5px 8px}
  .topbar .top-actions .mobilehidden{display:none}
  .pageintro h1{font-size:24px}
  .pageintro p{font-size:13px}
  .statgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chaptergrid,.split,.config-layout,.performance-grid{grid-template-columns:minmax(0,1fr)}
  .examtop,body[data-theme="light"] .examtop{height:58px;padding:0 6px;gap:3px}
  .examtop .left,.examtop .right{gap:3px}
  .examtop .title{display:none}
  .examtop .btn{min-width:34px;min-height:38px;padding:6px}
  .examtop .btn .mobilehidden{display:none}
  .examtop .timer{font-size:12px;padding:7px 4px;gap:3px}
  .examspace,.examspace.nav-hidden,body[data-theme="light"] .examspace,body[data-theme="light"] .examspace.nav-hidden{display:block;grid-template-columns:none;min-height:calc(100dvh - 58px)}
  .qnav,body[data-theme="light"] .qnav{position:fixed;left:0;top:58px;bottom:0;width:min(310px,85vw);max-height:none;height:calc(100dvh - 58px);padding-bottom:calc(25px + env(safe-area-inset-bottom,0px));z-index:45;overflow-y:auto;transform:translateX(0);transition:transform .18s ease,visibility .18s ease;box-shadow:12px 0 30px #0003}
  .nav-hidden .qnav{transform:translateX(-110%);visibility:hidden}
  .qnav-scrim{display:block;position:fixed;inset:58px 0 0;border:0;background:rgba(8,19,34,.43);z-index:40;opacity:1}
  .nav-hidden .qnav-scrim{display:none}
  .exam-body{padding:12px 9px 50px}
  .questioncard{padding:17px 12px;overflow-wrap:anywhere}
  .question-text{font-size:1em;line-height:1.75}
  .qtinybar{gap:6px;row-gap:8px}
  .qtinybar .btn{min-height:40px;font-size:12px;padding:7px 9px}
  .highlight-control{flex:0 0 auto}
  .highlight-palette .select{width:105px;max-width:105px;min-height:38px}
  .qhead{align-items:flex-start}
  .qhead .meta{flex-wrap:wrap}
  .choice{gap:7px;padding:12px 9px;min-height:53px}
  .choiceletter{min-width:29px;width:29px;height:29px}
  .choicetext{min-height:30px;white-space:normal}
  .strikebtn{min-width:32px;height:34px}
  .qactions{gap:11px}
  .qactions >div{max-width:100%}
  .qactions .btn{min-height:42px}
  .modalback{padding:8px;padding-bottom:calc(14px + env(safe-area-inset-bottom,0px))}
  .dialog{max-height:calc(100dvh - 22px);overflow:auto}
  .dialog-body{padding:15px}
  .report-meter{min-width:0}
  #toast{bottom:calc(78px + env(safe-area-inset-bottom,0px));left:12px;right:12px;max-width:none}
  .dashboard-credit{max-width:100%}
}
@media(max-width:370px){
  .examtop .timer{font-size:11px}
  .examtop .btn{padding:5px;min-width:32px}
  .highlight-control{max-width:100%}
  .qtinybar .btn{padding:6px 8px}
  .qactions>div{width:100%;justify-content:flex-end}
}
@media(hover:none) and (pointer:coarse){
  button,.select{min-height:40px}
  .question-text{line-height:1.85}
}

/* v10: timer visibility preference. Hidden clocks must keep counting internally. */
.examtop .right{min-width:0;flex-wrap:nowrap}
.examtop .timer-toggle{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;min-height:36px;padding:6px 9px;font-size:12px}
.examtop .timer-toggle svg{flex:0 0 16px}
@media(max-width:1000px){.examtop .timer-toggle-label{display:none}.examtop .timer-toggle{min-width:36px;justify-content:center;padding:6px}}
@media(max-width:720px){.examtop .timer-toggle{min-width:36px;min-height:38px;padding:6px}}
@media(max-width:370px){.examtop .timer-toggle{min-width:32px;min-height:36px;padding:5px}}


/* V10: searchable NBME Lab Values and carefully structured Lecture 7 written answers */
.lab-values-btn{padding:7px 12px;min-height:36px;flex-shrink:0;gap:6px}
.lab-values-btn .icon{width:16px;height:16px}
.lab-ref{font-size:14px}
.lab-find{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.lab-find .input{flex:1;min-width:0}
.lab-categories{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:15px}
.lab-categories .btn{white-space:normal;text-align:center}
.lab-scroll{max-height:46vh;overflow:auto;border:1px solid var(--line);border-radius:10px;overscroll-behavior:contain}
.lab-table{width:100%;border-collapse:collapse;font-size:13px;min-width:530px}
.lab-table thead{position:sticky;top:0;z-index:1;background:var(--sub)}
.lab-table th,.lab-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.lab-table th:first-child{font-weight:650;min-width:190px}
.lab-table tbody tr:hover{background:var(--sub)}
.lab-reference-source{border-top:1px solid var(--line);margin-top:15px;padding-top:13px;font-size:12px;line-height:1.8}
.lab-no-results{text-align:center;padding:22px}
.structured-stem{margin-bottom:10px}
.written-title{font-size:1em;line-height:1.8}
.written-slots{margin-top:20px;display:grid;gap:10px}
.written-slot{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:10px;padding:15px 17px;background:var(--sub);min-height:60px}
.written-slot-index{width:30px;height:30px;border-radius:7px;background:var(--blue2);color:var(--blue3);font-size:13px;display:grid;place-items:center;font-weight:800;flex-shrink:0}
.written-slot-copy{font:500 14px/1.5 ui-monospace,Menlo,Consolas,monospace;letter-spacing:1px;min-width:0;overflow-wrap:anywhere}
.written-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:10px;margin:15px 0}
.written-organ{border:1px solid var(--line);border-radius:10px;background:var(--sub);padding:14px;min-height:104px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;font-size:14px;font-weight:650}
.written-organ-number{background:var(--blue2);color:var(--blue3);padding:2px 7px;border-radius:6px;font-size:12px}
.written-organ-rule{height:1px;border-top:1px dashed var(--muted);width:100%;margin-top:auto;opacity:.6}
.written-instruction{font-size:12px;color:var(--muted);margin:14px 0 0}
.written-answer{border:1px solid var(--line);border-left:4px solid var(--green);border-radius:10px;background:var(--greenbg);margin-top:18px;padding:16px 17px}
.written-answer-label{font-size:13px;font-weight:800;margin-bottom:12px}
.written-answer-part{font-size:14px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:11px 13px;margin:8px 0}
@media(max-width:720px){.lab-values-btn{padding:7px 9px;min-width:38px}.lab-values-btn span{display:none}.lab-find{gap:6px}.lab-ref{font-size:12px}.lab-table{font-size:12px}.written-options{grid-template-columns:1fr 1fr}.written-organ{min-height:85px}.written-slot{padding:12px}}
@media(max-width:370px){.written-options{grid-template-columns:1fr}.lab-values-btn{min-width:35px;padding:6px}}


/* V11: consistent Short Answer, unlettered choices and the five-organ autopsy table */
.structured-stem .written-title{white-space:pre-wrap;line-height:1.8}
.written-block{border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:17px;margin-top:15px;max-width:100%}
.written-block-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;font-size:14px}
.written-block-head strong{font-weight:750}
.written-choice-list{display:grid;grid-template-columns:minmax(0,1fr);gap:9px}
.written-choice{background:var(--paper);border:1px solid var(--line);border-radius:10px;color:var(--ink);display:flex;align-items:flex-start;text-align:left;gap:13px;padding:12px 14px;cursor:pointer;font:inherit;line-height:1.6;overflow-wrap:anywhere;min-height:48px}
.written-choice:hover{border-color:var(--blue)}
.written-choice.selected{background:var(--blue2);border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}
.written-choice-marker{flex-shrink:0;border:1px solid var(--line);background:var(--sub);color:var(--ink);border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:12px;width:26px;height:26px}
.written-choice:disabled{cursor:default;opacity:1}
.written-draft,.written-case-input{box-sizing:border-box;display:block;width:100%;min-width:0;max-width:100%;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:9px;font:inherit;line-height:1.65;font-size:14px;padding:12px;resize:vertical}
.written-draft{min-height:110px}
.written-footnote{color:var(--muted);font-size:12px;line-height:1.65;margin:10px 0 0}
.written-case-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px}
.written-case-table th,.written-case-table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;word-break:normal;overflow-wrap:anywhere}
.written-case-table thead{background:var(--sub)}
.written-case-table th:first-child{width:55px}
.written-case-table th:nth-child(2){width:24%}
.written-case-table .written-case-input{min-height:74px}
.written-table-wrap{width:100%;overflow-x:auto}
.written-response-block{background:var(--sub)}
.written-answer{margin-top:18px}
.written-slot-copy{font-family:inherit;letter-spacing:normal}
@media(max-width:680px){
  .written-block{padding:12px}
  .written-case-table{font-size:12px}
  .written-case-table th,.written-case-table td{padding:7px 5px}
  .written-case-table th:first-child{width:38px}
  .written-case-table th:nth-child(2){width:26%}
  .written-case-input{padding:8px;font-size:13px}
  .written-choice{padding:12px;gap:9px;font-size:14px}
}

/* V12: detailed lab reference and indexed specialized tests */
.lab-ref .lab-scope{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:10px}
.lab-ref .lab-categories{max-height:112px;overflow-y:auto;align-content:flex-start;padding:2px 0 8px;margin-bottom:10px;scrollbar-width:thin}
.lab-ref .lab-categories .btn{flex-shrink:0;font-size:12px}
.lab-ref .lab-scroll{max-height:48vh}
.lab-ref .lab-table{min-width:700px}
.lab-ref .lab-table th:nth-child(1){min-width:190px}
.lab-ref .lab-table td:nth-child(2){min-width:160px}
.lab-ref .lab-table td:nth-child(4){white-space:nowrap}
.lab-source-tag{font-size:11px;font-weight:700;background:var(--greenbg);color:var(--green);padding:4px 6px;border-radius:6px}
.lab-source-tag.variable{background:var(--sub);color:var(--muted)}
.lab-reference-source div{margin-top:6px}
@media(max-width:720px){.lab-ref .lab-categories{max-height:95px}.lab-ref .lab-scope .btn{font-size:12px;padding:8px 10px}.lab-ref .lab-find{flex-wrap:wrap}.lab-ref .lab-table{min-width:620px}}
@media(max-width:720px){
 .lab-ref .lab-table,.lab-ref .lab-table tbody,.lab-ref .lab-table tr{display:block;width:100%;min-width:0}
 .lab-ref .lab-table thead{display:none}
 .lab-ref .lab-table tbody tr{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
 .lab-ref .lab-table th:first-child{display:block;min-width:0;padding:11px 12px;background:var(--sub);font-size:13px}
 .lab-ref .lab-table td{display:flex;min-width:0!important;gap:12px;align-items:flex-start;justify-content:space-between;padding:7px 12px;font-size:12px;white-space:normal;overflow-wrap:anywhere}
 .lab-ref .lab-table td::before{content:attr(data-label);flex:0 0 84px;font-weight:650;color:var(--muted)}
 .lab-ref .lab-scroll{border:0;max-height:50vh}
}

/* Lecture 7 final-case reference answer — display-only after reveal. */
.case-reference-answer{margin-top:18px}
.case-answer-table{width:100%;font-size:14px;table-layout:auto}
.case-answer-table th:nth-child(2){width:24%}
.case-answer-table td:last-child{font-weight:600;line-height:1.6}
.case-answer-table tbody tr:nth-child(even){background:var(--paper)}
@media(max-width:540px){
 .case-answer-table{font-size:12px;table-layout:fixed}
 .case-answer-table th,.case-answer-table td{padding:10px 7px}
 .case-answer-table th:first-child{width:33px}
 .case-answer-table th:nth-child(2){width:23%}
 .case-answer-table td:last-child{overflow-wrap:anywhere}
}

/* V14 mobile-friendly selection and validated reference table */
.choicetext{user-select:text!important;-webkit-user-select:text!important;-webkit-touch-callout:default!important;min-height:30px;line-height:1.55;touch-action:pan-y;white-space:pre-wrap}
.choicetext:focus-visible{outline:2px solid var(--blue);outline-offset:4px;border-radius:4px}
.question-text,.choicetext{cursor:text}
.highlight-control.active{box-shadow:inset 0 0 0 1px var(--blue)}
.lab-note{background:var(--sub);border:1px solid var(--line);padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:13px;line-height:1.55}
.lab-row-category{font-size:11px;opacity:.7;font-weight:400;margin-top:3px}
.lab-source-tag{text-decoration:none;white-space:nowrap}
.lab-scope{flex-wrap:wrap}
@media(max-width:720px){.lab-note{font-size:12px}.lab-row-category{font-size:10px}}

/* V15 live highlighting: the chosen shade is visible instantly throughout dragging/long press.
   Native selection stays intact until released and stored as a persistent <mark>. */
:root{--qbank-selection-color:#ffe29a}
body.highlight-mode .question-text::selection,
body.highlight-mode .question-text *::selection,
body.highlight-mode .choicetext::selection,
body.highlight-mode .choicetext *::selection{
 background:var(--qbank-selection-color,#ffe29a)!important;
 color:#182337!important;
 text-shadow:none;
}
body.highlight-mode .question-text::-moz-selection,
body.highlight-mode .question-text *::-moz-selection,
body.highlight-mode .choicetext::-moz-selection,
body.highlight-mode .choicetext *::-moz-selection{
 background:var(--qbank-selection-color,#ffe29a)!important;
 color:#182337!important;
}

.danger-history{color:#a43636;border-color:#e5abab}.danger-history:hover{background:#fff0f0}.testrow .rowactions{flex-wrap:wrap}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #f39c2f!important;outline-offset:3px}
/* V20: full-answer chapter preview and minimal study player */
.preview-controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}.preview-controls .select{max-width:530px;flex:1;min-width:210px}.preview-list{display:grid;gap:16px}.preview-item{overflow-wrap:anywhere}.preview-stem{font-size:1.07rem;line-height:1.75;margin:15px 0}.preview-options{display:grid;gap:8px;margin:12px 0}.preview-option{padding:9px 13px;border:1px solid var(--border);border-radius:9px;line-height:1.55}.preview-option.is-answer{border-color:#6fa985;background:rgba(61,153,95,.09)}.preview-answer{margin-top:15px;padding:13px 15px;border-left:4px solid #398c63;background:rgba(61,153,95,.09);line-height:1.65;white-space:pre-wrap}.preview-answer.unavailable{border-left-color:#b68a41;background:rgba(176,126,44,.07)}.preview-answer .sourceblock{max-height:320px;overflow:auto;font-size:.88rem}
.study-screen{min-height:100vh;background:var(--bg);display:flex;flex-direction:column}.study-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px clamp(12px,4vw,45px);border-bottom:1px solid var(--border);background:var(--surface)}.study-top span{font-weight:600;font-size:.9rem}.study-center{width:min(890px,100%);margin:38px auto;padding:0 14px 35px}.study-card{padding:clamp(18px,4vw,35px);min-height:330px}.study-index{font-weight:600;font-size:.85rem;opacity:.65;margin-bottom:18px}.study-controls{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:25px;padding-top:16px;border-top:1px solid var(--border)}.study-screen .choice{margin-bottom:9px}.study-screen .question-text{font-size:1.12rem;line-height:1.78}.study-screen .sourceanswer{margin-top:18px}
@media(max-width:600px){.study-top{padding:9px 10px}.study-top span{font-size:.75rem}.study-center{margin:12px auto}.study-controls{justify-content:center}.preview-controls .select{min-width:100%}}

/* V21 immersive view and keyboard navigation */
.choice.keyboard-active{outline:3px solid var(--primary,#2563eb);outline-offset:2px;box-shadow:0 0 0 5px rgba(56,125,225,.12)}
.choice:focus-within{outline:2px solid var(--primary,#2563eb);outline-offset:2px}
.study-top{position:sticky;top:0;z-index:10}.focus-study-view .study-screen{min-height:100vh}.focus-study-view .study-center{margin:16px auto;padding-bottom:20px}
:fullscreen .study-screen{min-height:100vh}

/* V29 touchscreen question slides: only the card animates; browser vertical scrolling remains native. */
.study-card,.questioncard{touch-action:pan-y;will-change:auto}
.q-slide-out-left{animation:qSlideOutLeft 150ms ease-in both;pointer-events:none}
.q-slide-out-right{animation:qSlideOutRight 150ms ease-in both;pointer-events:none}
.q-slide-in-right{animation:qSlideInRight 240ms cubic-bezier(.2,.75,.2,1) both}
.q-slide-in-left{animation:qSlideInLeft 240ms cubic-bezier(.2,.75,.2,1) both}
@keyframes qSlideOutLeft{to{opacity:.35;transform:translateX(-24%)}}
@keyframes qSlideOutRight{to{opacity:.35;transform:translateX(24%)}}
@keyframes qSlideInRight{from{opacity:.35;transform:translateX(22%)}to{opacity:1;transform:translateX(0)}}
@keyframes qSlideInLeft{from{opacity:.35;transform:translateX(-22%)}to{opacity:1;transform:translateX(0)}}
@media(prefers-reduced-motion:reduce){.q-slide-out-left,.q-slide-out-right,.q-slide-in-left,.q-slide-in-right{animation:none!important}}

/* V36 Preview study view */
body.preview-study .sidebar,body.preview-study .topbar,body.preview-study .app-sidebar,body.preview-study .app-header{display:none!important}
body.preview-study #app{max-width:none!important;width:100%!important;padding:0!important}
.preview-study-screen .study-center{max-width:950px;width:calc(100% - 24px);margin:16px auto}
.preview-matching-source .sourceblock{max-height:none;overflow:visible}
.preview-study-screen .preview-list{padding-bottom:36px}
/* V37 mobile toolbar repair: no original button removed */
@media(max-width:720px){
.examtop,body[data-theme="light"] .examtop{height:auto!important;min-height:58px;padding:8px 9px!important;flex-direction:column;align-items:stretch;gap:8px!important}
.examtop .left,.examtop .right{width:100%;min-width:0;flex-wrap:wrap!important;justify-content:flex-start;gap:6px!important;overflow:visible!important}
.examtop .left .title{display:block!important;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.examtop .right .btn{flex:0 0 auto;min-width:36px;min-height:38px;padding:6px 9px}
.examtop .right .btn.lab-values-btn span,.examtop .right .btn.timer-toggle .timer-toggle-label,.examtop .right .btn .mobilehidden{display:inline!important}
.examtop .timer{min-height:38px}
.qnav{top:0;z-index:40}
}
@media(max-width:370px){.examtop .right{gap:5px!important}.examtop .right .btn{padding:6px 7px;font-size:11px}}


/* iPad portrait: keep all exam controls visible without collision. */
@media (min-width:721px) and (max-width:1180px){
  .examtop,body[data-theme="light"] .examtop{
    height:auto!important;min-height:58px;
    padding:9px 12px!important;display:flex;flex-direction:column;
    align-items:stretch;justify-content:center;gap:8px;
  }
  .examtop .left,.examtop .right{
    display:flex;align-items:center;flex-wrap:wrap!important;
    min-width:0;width:100%;gap:7px;overflow:visible;
  }
  .examtop .left .title{
    min-width:0;flex:1 1 120px;overflow:hidden;
    text-overflow:ellipsis;white-space:nowrap;
  }
  .examtop .right .btn,.examtop .right .timer{
    flex:0 0 auto;max-width:100%;min-height:38px;
  }
  .examtop .right{justify-content:flex-start}
  .qnav{top:0;max-height:calc(100vh - 12px)}
  .examspace{min-height:calc(100vh - 120px)}
}


/* V37: vertically center the contents of EACH answer option.
   This does not horizontally center answer text or move the question layout. */
.choice,
.study-screen .choice,
.written-choice {
  align-items: center;
}
.choice .choicetext {
  min-height: 0;
  align-self: center;
  text-align: left;
}
.choice .choiceletter,
.choice .strikebtn,
.choice .choicecheck,
.written-choice .written-choice-marker {
  align-self: center;
  flex-shrink: 0;
}

/* V37: full working per-question toolbar in Preview and Preview Study View. */
.preview-item .qtinybar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0 16px}
.preview-item .qtinybar .btn,.preview-item .highlight-control{align-self:center}
.preview-item .preview-option{user-select:text;-webkit-user-select:text}
.preview-item .preview-option b{user-select:none;-webkit-user-select:none}

/* Laboratory Methods — preserve newlines in original case and matching questions */
.lm-question-text { white-space:pre-line; overflow-wrap:anywhere; }
.brand-symbol {font-size:14px!important;font-weight:900;letter-spacing:-.05em;}
.preview-item .lm-question-text {white-space:pre-line;}

/* Laboratory Methods — preserve newlines in original case and matching questions */
.lm-question-text { white-space:pre-line; overflow-wrap:anywhere; }
.brand-symbol {font-size:14px!important;font-weight:900;letter-spacing:-.05em;}
.preview-item .lm-question-text {white-space:pre-line;}