:root{--bg:#f6f7f2;--panel:#fff;--ink:#192b24;--muted:#617268;--line:#dce3d9;--green:#246449;--light:#e8f0e6;--gold:#c1a656;--danger:#aa3434;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled,.disabled{opacity:.48;cursor:not-allowed;pointer-events:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b88b24;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(27px,3vw,40px);line-height:1.17;letter-spacing:-1.3px;margin-bottom:16px;font-weight:650}h2{font-size:22px;line-height:1.35;letter-spacing:-.4px;margin-bottom:18px}h3{font-size:17px;line-height:1.5;margin-bottom:10px}small{font-size:12px}.muted,small,.legend{color:var(--muted)}.topbar{padding:20px 3.5%;display:flex;align-items:center;justify-content:space-between;gap:28px;background:#fff;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:var(--ink);color:#eff5cf;border-radius:13px;font-size:17px;letter-spacing:-1px;font-weight:700}.brand strong{font-size:23px;letter-spacing:-.8px;line-height:1.2;display:block}.brand small{font-size:8px;letter-spacing:1.25px;display:block;margin-top:4px}.main-nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px}.main-nav>a{color:var(--muted);font-weight:550}.main-nav>a.active{color:var(--green)}.main-nav select{padding:5px;margin:0;background:transparent;border:none;width:auto}.main-nav form{margin:0}.nav-toggle{display:none}.page-shell{max-width:1350px;margin:auto;padding:42px 36px 64px}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:16px 0 30px}.page-heading>div{max-width:830px}.page-heading p{color:var(--muted);max-width:710px}.page-heading.compact{padding:0 0 20px}.eyebrow{display:block;font-size:10px;letter-spacing:1.6px;font-weight:700;color:var(--green);text-transform:uppercase;margin-bottom:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 20px;border-radius:9px;border:1px solid transparent;line-height:1.3;font-weight:600;font-size:13px;white-space:normal;text-align:center}.btn:hover{text-decoration:none;filter:brightness(.96)}.btn-primary,.btn-success{background:var(--green);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn-sm{min-height:36px;padding:8px 12px;font-size:12px}.btn-block{width:100%;margin-top:12px}.text-btn,.mini-link{padding:6px 0;border:0;background:none;color:var(--green);font-size:13px;font-weight:600}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:16px;margin-bottom:35px}.metric{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:23px 26px}.metric>span{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.metric>strong{font-size:30px;font-weight:550;letter-spacing:-1px}.metric strong small{font-size:16px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:25px 0 15px}.section-title h2{margin:0}.section-title>span{font-size:12px;color:var(--muted)}.exam-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px;margin-bottom:38px}.exam-card{display:flex;flex-direction:column;gap:25px;align-items:stretch;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink)}a.exam-card:hover{border-color:var(--green);text-decoration:none}.exam-card h2{font-size:23px;margin-bottom:12px}.exam-card p{font-size:13px;color:var(--muted);margin-bottom:0}.exam-card-top{display:flex;justify-content:space-between;align-items:center}.vendor-chip,.status{padding:5px 10px;background:var(--light);color:var(--green);border-radius:6px;font-size:11px;font-weight:600}.exam-meta{display:flex;gap:20px;color:var(--muted);font-size:12px}.card-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}.card{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:22px;min-width:0}.card .section-title{margin-top:0}.history-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.history-row:last-child{border-bottom:0}.history-row small{display:block}.tabbar{display:flex;gap:28px;overflow-x:auto;border-bottom:1px solid var(--line);margin:0 0 28px;white-space:nowrap}.tabbar a{padding:12px 0;color:var(--muted);font-size:13px}.tabbar a.active{border-bottom:3px solid var(--green);color:var(--green);font-weight:700}.setup-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:25px;align-items:start}.setup-main,.setup-side{min-width:0}.sticky-card{position:sticky;top:20px}.objective-row{display:flex;align-items:center;gap:13px;padding:13px 2px;border-bottom:1px solid #eef1e9;font-size:14px;margin:0}.objective-row:last-child{border:0}.objective-row input{flex-shrink:0}.objective-row small{display:block}.unavailable{color:#889087}.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:24px}.mode-card{position:relative;display:grid;grid-template-columns:20px 1fr;gap:5px 10px;padding:17px;border:1px solid var(--line);border-radius:10px;margin:0;cursor:pointer}.mode-card:has(input:checked){background:var(--light);border-color:var(--green)}.mode-card small{grid-column:2}.mode-card input{margin-top:5px}.callout{background:#eef2e6;border-left:3px solid #72975e;padding:16px 20px;border-radius:0 8px 8px 0;font-size:13px;color:#475b3d;margin:18px 0 0}label{display:block;font-size:13px;font-weight:550;margin:0 0 18px}input:not([type=checkbox]):not([type=radio]),select,textarea{display:block;width:100%;border:1px solid #cdd7cd;border-radius:8px;background:#fff;color:var(--ink);padding:11px 12px;margin-top:6px;min-width:0;font-size:14px}textarea{resize:vertical;line-height:1.55}input[type=checkbox],input[type=radio]{width:17px;height:17px;accent-color:var(--green)}label>small{display:block;margin-top:5px;font-weight:400}.switch-row{display:flex;justify-content:space-between;align-items:center;gap:20px;font-weight:400}.switch-row input{flex-shrink:0}.advanced-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px;margin-top:18px}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;align-items:start}.two-col>aside{min-width:0}.filter-bar{display:flex;gap:10px;align-items:center;margin:0 0 20px}.filter-bar input,.filter-bar select{margin:0}.section-title .filter-bar{margin:0;max-width:480px}summary{cursor:pointer;font-size:15px;font-weight:600}.record-list>a{display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink);padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}.record-list small{display:block}.table-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:24px}.responsive-table{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:11px;color:var(--muted);background:#f9faf6;text-transform:uppercase;letter-spacing:.5px}.pagination{display:flex;justify-content:center;gap:30px;margin:24px}.option-editor-row{display:grid;grid-template-columns:75px 1fr 1fr;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}.correct-toggle{display:flex;align-items:center;gap:6px}.study-block{display:flex;gap:15px;padding:22px 0;border-bottom:1px solid var(--line)}.study-block p{font-size:13px;color:var(--muted)}.step-number{flex:0 0 30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--light);font-weight:700;color:var(--green)}.empty{padding:25px;color:var(--muted);text-align:center}.alert{padding:16px 20px;border-radius:9px;background:var(--light);margin-bottom:20px}.alert-danger{background:#fff0ee;color:#983431}.alert-success{background:#e8f3e8;color:#256440}.exam-shell{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px 24px}.exam-top{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0;padding:20px 25px}.exam-top .eyebrow{margin-bottom:5px}.exam-top strong{font-size:14px}.exam-top-actions{display:flex;gap:12px;align-items:center;flex-shrink:0}.timer{font:600 16px ui-monospace,monospace}.exam-progress{height:4px;background:var(--line);grid-column:1/-1;border-radius:5px;overflow:hidden}.exam-progress>span{display:block;background:var(--green);height:100%}.question-card{padding:30px;align-self:start}.question-head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:20px}.question-head-tools{display:flex;gap:8px}.icon-btn{border:1px solid var(--line);border-radius:7px;background:#fff;color:#738374;font-size:20px;width:36px;height:36px}.icon-btn.on{color:#9b730b;background:#fff5cf;border-color:#d6bd6b}.question-stem{font-size:18px;line-height:1.7;margin:20px 0 25px;white-space:normal}.answer-list{border:0;padding:0;margin:0}.answer-option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);padding:17px;border-radius:10px;margin-bottom:11px;cursor:pointer;font-size:14px;font-weight:400}.answer-option.selected{border-color:var(--green);background:#eff5eb}.answer-option input{margin:3px 0;flex-shrink:0}.option-key{font-weight:700;color:var(--green)}.question-hint,.translation-note{font-size:12px;color:var(--muted)}.question-actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:22px;flex-wrap:wrap}.feedback-box{padding:20px;border:1px solid var(--line);background:#f3f5ee;border-radius:10px;margin:20px 0;white-space:pre-wrap}.feedback-box p:last-child{margin-bottom:0}.feedback-box.correct{background:#edf7ec;border-color:#82b88b}.feedback-box.wrong{background:#fff4ea;border-color:#d8b087}.question-palette{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.question-palette a{display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;min-height:35px;font-size:12px;color:var(--muted);position:relative}.question-palette a.answered{background:var(--light);color:var(--green);border-color:#95b491}.question-palette a.current{outline:2px solid var(--green);outline-offset:1px}.question-palette a.marked::after{content:'⚑';position:absolute;top:-8px;right:0;color:#a88015;font-size:13px}.question-palette a.consulted{background:#e9e9e9}.legend{font-size:11px;margin-top:18px}.question-media{max-width:100%;height:auto}.result-hero{display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;padding:38px}.result-hero .eyebrow{color:#bfd3a4}.result-hero p{color:#cbd5c7}.score-ring{width:135px;height:135px;border-radius:50%;border:5px solid #bbcd8b;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}.score-ring strong{font-size:30px;letter-spacing:-1px}.score-ring span{font-size:12px;color:#d0dcba}.objective-result{margin:20px 0}.objective-result>div:first-child{display:flex;justify-content:space-between;gap:15px;font-size:13px}.bar{height:6px;background:#e9eee4;border-radius:8px;margin-top:9px;overflow:hidden}.bar>span{height:100%;display:block;background:#689363}.result-actions{display:flex;gap:12px;flex-wrap:wrap}.review-option{padding:14px;border:1px solid var(--line);margin:8px 0;border-radius:8px;font-size:14px}.review-option.correct{background:#edf6e9;border-color:#a3c69a}.review-option.selected{border-left:5px solid var(--green)}.auth-shell{max-width:470px;margin:35px auto}.auth-shell .card{padding:35px}.auth-shell h1{font-size:30px}.footer{text-align:center;padding:25px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.footer a{margin-left:18px}.hidden,[hidden]{display:none!important}.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}.note-body{white-space:pre-wrap;overflow-wrap:anywhere}pre{white-space:pre-wrap;overflow-wrap:anywhere}.hero-landing{padding:70px 0;max-width:850px}.hero-landing h1{font-size:clamp(38px,5vw,66px)}.hero-landing p{font-size:18px;color:var(--muted)}
@media(min-width:1500px){.topbar{padding-left:calc((100vw - 1278px)/2);padding-right:calc((100vw - 1278px)/2)}}
@media(max-width:1150px){.main-nav{gap:12px;font-size:12px}.brand small{display:none}.topbar{padding:16px 24px}.setup-layout{grid-template-columns:minmax(0,1fr) 285px}.page-shell{padding:30px 24px}.exam-shell{grid-template-columns:minmax(0,1fr) 250px}}
@media(max-width:900px){.topbar{position:relative;flex-wrap:wrap}.nav-toggle{display:block;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 13px;font-size:20px}.main-nav{display:none;width:100%;align-items:flex-start;gap:20px;padding:15px 0;flex-wrap:wrap}.main-nav.open{display:flex}.setup-layout,.exam-shell{display:block}.sticky-card{position:static}.exam-progress{margin:15px 0}.exam-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}.question-palette{grid-template-columns:repeat(8,1fr)}.exam-top{flex-wrap:wrap}.two-col{grid-template-columns:1fr}.setup-side{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.page-heading{align-items:flex-start;flex-direction:column;gap:8px}.section-title{align-items:flex-start;flex-wrap:wrap}.exam-grid{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}}
@media(max-width:600px){.page-shell{padding:25px 16px 40px}.topbar{padding:16px}.card,.exam-card{padding:22px}.metric-grid{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.metric{padding:17px}.metric>strong{font-size:25px}.metric>span{font-size:11px}.mode-grid,.advanced-grid,.setup-side,.exam-sidebar{grid-template-columns:1fr;display:grid}.exam-grid{grid-template-columns:1fr}.exam-top-actions{flex-wrap:wrap;gap:8px}.exam-top{padding:18px}.question-stem{font-size:17px}.question-head{align-items:flex-start}.question-actions .btn{flex:1}.question-actions .text-btn{width:100%}.answer-option{padding:13px;gap:9px}.question-palette{grid-template-columns:repeat(8,1fr)}.filter-bar{flex-wrap:wrap}.filter-bar>input,.filter-bar>select{flex:1 0 180px}.result-hero{padding:25px;gap:20px;flex-direction:column;align-items:flex-start}.result-hero h1{font-size:27px}.option-editor-row{grid-template-columns:55px 1fr}.option-editor-row>label:last-child{grid-column:2}.tabbar{gap:24px}.history-row{align-items:flex-start}.footer{padding:20px}.footer a{display:block;margin:8px 0 0}.auth-shell{margin:10px auto}}

/* CertLab 0.2.3: complete shared component styles, used by every screen. */
:root{--bg:#f1f5f9;--panel:#fff;--ink:#172b45;--muted:#53677f;--line:#cbd7e3;--green:#096c91;--light:#e5f3fa;--gold:#ad7918;--danger:#a32d36;--radius:14px}
body{font-size:15px;line-height:1.55}.topbar{background:#122239;color:#fff;padding:18px max(24px,calc((100vw - 1320px)/2));gap:24px;position:relative;z-index:5;flex-wrap:wrap}
.brand{color:#fff}.brand-mark{background:#30c1e4;color:#102b40}.brand strong{font-size:23px}.brand small{color:#c1d1e0}.main-nav{gap:5px;margin-left:auto;flex:1;justify-content:flex-end}.main-nav>a{color:#d3dfeb;padding:9px 10px;border-radius:7px}.main-nav>a:hover,.main-nav>a.active{background:#263f5c;color:#fff;text-decoration:none}.main-nav .text-btn{color:#89d7f1;padding:9px 10px}.header-tools{display:flex;gap:10px;align-items:center}.language-switch{display:flex;padding:3px;background:#e6eef5;border:1px solid #a6bfd2;border-radius:9px;margin:0;gap:2px}.language-switch button{border:0;background:transparent;border-radius:6px;padding:8px 11px;min-height:38px;color:#24465f;font-weight:700}.language-switch button[aria-pressed=true]{background:#fff;color:#075573;box-shadow:0 1px 4px #0b254033}
.page-shell{max-width:1392px;padding:32px 36px 56px}.page-heading{padding:8px 0 24px;gap:24px}.page-heading h1{font-size:clamp(26px,2.6vw,36px);letter-spacing:-.8px}.page-heading p{margin-bottom:0}.eyebrow{font-size:11px;letter-spacing:1px}
.card,.exam-card,.metric{border:1px solid var(--line);box-shadow:0 3px 10px #172b4506}.card{padding:24px}.card h2,.section-title h2{font-size:21px}.exam-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));align-items:stretch;gap:20px}.exam-card{gap:22px;padding:25px}.exam-card h2{font-size:22px}.card-links a{border:1px solid var(--line);padding:7px 12px;border-radius:7px}.exam-meta{padding-top:16px;border-top:1px solid var(--line)}
.history-row{padding:18px 0;gap:18px}.history-row>div,.history-row>span{min-width:0}.history-row strong,.record-list strong{display:block}.history-row small{margin-top:5px}.metric-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:24px}.metric{padding:20px 23px}.metric>strong{font-size:29px}
.auth-shell{max-width:460px;margin:35px auto 60px}.auth-shell form.card{padding:32px}.auth-shell .btn-block{margin-top:5px}.hero-landing{max-width:none;padding:38px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--green);border-radius:var(--radius);margin-bottom:26px}.hero-landing h1{font-size:clamp(29px,3.5vw,46px);max-width:800px}.hero-landing p{font-size:17px;max-width:780px}.hero-landing .btn{margin-top:8px}
.admin-nav{display:flex;gap:7px;flex-wrap:wrap;padding:10px;background:#e6edf4;border:1px solid var(--line);border-radius:10px;margin:0 0 28px}.admin-nav a{padding:9px 14px;border-radius:7px;color:#314962;font-size:14px;font-weight:600}.admin-nav a[aria-current=page]{background:#fff;color:var(--green);box-shadow:0 1px 4px #12223914}.admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-grid .exam-card{border-top:4px solid var(--green)}.card-number{font-size:12px;color:var(--muted);font-weight:700}.card-link{margin-top:auto;display:flex;justify-content:space-between;color:var(--green);font-weight:650}.admin-stats{margin-top:4px}.admin-columns{display:grid;grid-template-columns:minmax(300px,390px) minmax(0,1fr);gap:24px;align-items:start}.form-section{border:0;border-top:1px solid var(--line);padding:20px 0 0;margin:0 0 12px;min-width:0}.form-section legend{font-size:15px;font-weight:700;padding:0 10px 0 0;color:var(--ink)}.form-section p{font-size:13px;color:var(--muted)}.record-list>a{padding:15px 12px;margin-bottom:8px;border:1px solid var(--line);border-radius:8px}.record-list>a:hover{background:var(--light);text-decoration:none}.record-list small{overflow-wrap:anywhere}.status{display:inline-flex;line-height:1.4;white-space:nowrap}.status.suspended{background:#fff0e7;color:#8e4819}.user-table{table-layout:fixed}.user-table th,.user-table td{padding:15px 12px}.user-table td{overflow-wrap:anywhere}.user-table td small{display:block;margin-top:5px}.user-table th:first-child{width:45%}.user-table .btn{white-space:nowrap}.directory-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.directory-heading h2{margin:0}.form-actions{border-top:1px solid var(--line);padding-top:18px;margin-top:10px;display:flex;gap:12px;flex-wrap:wrap}.pagination{align-items:center}.pagination span{color:var(--muted);font-size:13px}
.setup-layout{grid-template-columns:minmax(0,1fr) 315px}.mode-card{border:2px solid #d4dfe8;padding:16px;background:#fff;transition:background .15s}.mode-card:has(input:checked){background:#e9f6fc;border-color:#1688ae;box-shadow:0 0 0 2px #d3eef8}.mode-card small{color:#48627a;font-weight:400;line-height:1.45}.objective-row{padding:12px 10px;border:1px solid #e0e7ee;border-radius:8px;margin-bottom:7px;font-weight:400}.objective-row:last-child{border:1px solid #e0e7ee}.objective-row:has(input:checked){background:#f4f9fc;border-color:#b7cedd}.objective-row.unavailable{background:#f4f5f7;opacity:.7}.section-title .text-btn{padding:6px 10px;border:1px solid var(--line);border-radius:6px;margin-left:4px}.callout{background:#edf6fb;border-left-color:#1688ae;color:#284f68}.mode-explanation{padding:16px;background:#eef5fa;border:1px solid #bed5e5;border-radius:9px;margin-top:18px}.mode-explanation strong{display:block;margin-bottom:5px}.mode-explanation p{margin-bottom:0;font-size:13px}.mode-description{display:none}.setup-layout:has([name=mode][value=study]:checked) [data-mode-text=study],.setup-layout:has([name=mode][value=exam]:checked) [data-mode-text=exam],.setup-layout:has([name=mode][value=flashcards]:checked) [data-mode-text=flashcards],.setup-layout:has([name=mode][value=review]:checked) [data-mode-text=review]{display:block}
.setup-layout:has([name=mode][value=exam]:checked) [data-feedback-choice],.setup-layout:has([name=mode][value=flashcards]:checked) [data-feedback-choice],.setup-layout:has([name=mode][value=review]:checked) [data-feedback-choice]{display:none}
.filter-section{border:1px solid var(--line);padding:18px;border-radius:9px;margin:18px 0;min-width:0}.filter-section legend{font-weight:700;font-size:14px;padding:0 8px}.filter-section>p{font-size:13px;color:var(--muted);margin-bottom:14px}.filter-section .advanced-grid{margin-top:0;gap:0 18px}.filter-section .switch-row{padding:10px;margin:0;border-bottom:1px solid #e5ebf1}.filter-section .switch-row:last-child{border:0}.filter-section label>small{font-weight:400}.filter-help{font-size:13px;color:var(--muted);margin:14px 0}.session-summary{padding:14px;background:#f0f6fa;border:1px solid #d5e3ec;border-radius:8px;font-size:13px;margin-bottom:18px}.session-summary strong{display:block;font-size:18px;color:var(--green)}.setup-side>.card{margin-bottom:18px}.setup-side{display:block}.sticky-card{position:static}.setup-side .btn-block{min-height:48px}.setup-side [data-reset-settings]{display:block;width:100%;margin-top:10px}
.session-state{border:1px solid #bad7e8;background:#edf7fc;border-radius:8px;padding:12px 15px;margin:15px 0;font-size:13px;color:#244d63}.session-state.submitted{border-color:#8dbab0;background:#ecf6ef;color:#215a40}.session-state.error{border-color:#d5a0a0;background:#fff0ee;color:#922b2b}.question-actions{justify-content:flex-start}.question-actions [data-submit-answer]{min-width:175px}.question-actions.navigation{border-top:1px solid var(--line);padding-top:22px;justify-content:space-between}.question-stem{font-size:18px;line-height:1.65}.answer-option.selected{background:#eaf6fc;border-color:#1188b0}.answer-option>span:last-child{white-space:pre-wrap}.feedback-box{background:#eff6fa;border-color:#b5ccdd}.feedback-box strong{display:block;margin-bottom:12px}.question-head{line-height:1.5}.question-head>span{overflow-wrap:anywhere}.question-media{display:block;margin:14px 0}.question-palette a.answered{background:#dcefe4;border-color:#73a289;color:#215d3e}.question-palette a.consulted{background:#e7ebf0;color:#44566a}.exam-top-actions{flex-wrap:wrap}.submitted-total{font-size:12px;color:var(--muted)}
.flashcard-front{padding:18px;background:#f4f8fc;border:1px solid #cbdae7;border-radius:10px;margin:18px 0}.flashcard-front ol{padding-left:26px;margin-bottom:0;list-style-type:upper-alpha}.flashcard-front li{padding:7px 0;font-size:14px}.flashcard-banner{font-size:13px;color:#385d76;border-bottom:1px solid var(--line);padding-bottom:14px}.flashcard-answer{background:#eaf4f0;border:1px solid #8cbaaa}.flashcard-note{font-size:13px;color:var(--muted)}
@media(max-width:1150px){.topbar{padding:16px 24px;gap:14px}.brand small{display:none}.main-nav>a{padding:8px}.main-nav{font-size:12px}.header-tools{margin-left:auto}}
@media(max-width:950px){.main-nav{order:4;display:none;width:100%;flex-basis:100%;justify-content:flex-start}.main-nav.open{display:flex}.nav-toggle{display:block;order:3;color:#fff;border:1px solid #62809e;background:#203b58}.header-tools{margin-left:auto}.admin-columns{grid-template-columns:1fr}.setup-layout{display:block}.setup-side{display:grid;grid-template-columns:1fr 1fr;gap:18px}.exam-shell{display:block}.exam-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:18px}.brand small{display:block}}
@media(max-width:600px){.topbar{padding:14px 16px;gap:10px}.brand small{display:none}.brand strong{font-size:21px}.brand-mark{width:37px;height:37px}.language-switch button{padding:7px 9px;min-height:34px}.nav-toggle{padding:4px 10px}.page-shell{padding:24px 16px 40px}.hero-landing{padding:25px}.card,.exam-card{padding:20px}.card h2{font-size:19px}.metric-grid{grid-template-columns:1fr 1fr}.admin-grid,.setup-side,.exam-sidebar{display:grid;grid-template-columns:1fr}.admin-nav{gap:4px;padding:7px}.admin-nav a{padding:8px 9px;font-size:12px}.user-table,.user-table tbody,.user-table tr,.user-table td{display:block;width:100%}.user-table thead{display:none}.user-table tr{padding:12px;border-bottom:1px solid var(--line)}.user-table td{border:0;padding:5px 0}.user-table td[data-label]::before{content:attr(data-label) ': ';font-size:12px;color:var(--muted);margin-right:5px}.user-table td:first-child{font-size:15px}.user-table td:last-child .btn{width:100%;margin-top:6px}.exam-top-actions{gap:8px}.question-actions .btn{min-width:0;flex:1 1 150px}.filter-section{padding:14px}.record-list>a{flex-wrap:wrap}.history-row{flex-wrap:wrap}.card-links{gap:9px}.admin-columns{gap:0}}

/* Shared help balloons, including dynamically loaded book controls. */
.icon-tooltip{position:fixed;inset:auto;margin:0;padding:12px 15px;border:1px solid #466079;border-radius:10px;background:#14263d;color:#fff;box-shadow:0 8px 24px #14263d35;font:400 13px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;max-width:min(320px,calc(100vw - 24px));width:max-content;overflow-wrap:anywhere;z-index:10000;text-align:left;pointer-events:auto}
.icon-tooltip[hidden]{display:none}
.icon-tooltip::backdrop{background:transparent;pointer-events:none}
.icon-btn[data-tooltip]{min-width:44px;min-height:44px;width:auto;height:auto;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 10px}
.icon-caption{display:none;font-size:11px;font-weight:600}
.answer-key-icon{display:inline-flex;align-items:center;justify-content:center;min-width:28px;min-height:28px;border-radius:5px;cursor:help}
.answer-key-icon:focus-visible{outline:3px solid #b88b24;outline-offset:2px}
@media(hover:none){.icon-caption{display:inline}.question-head-tools{flex-wrap:wrap}.question-head{flex-wrap:wrap}}

.interaction-fields{display:grid;gap:16px;width:100%;min-width:0}.interaction-fields label{display:grid;gap:6px;min-width:0}.interaction-fields select,.answer-list select{width:100%;max-width:100%;min-width:0}.answer-list input[type=text]{width:100%;max-width:100%;min-width:0}