.fen-pdf-reader{--fen-accent:#13a7b7;--fen-accent2:#0b4f75;--fen-border:#d7e2ea;--fen-bg:#eef3f7;--fen-panel:#fff;--fen-text:#17212b;width:100%;margin:24px 0;overflow:hidden;border:1px solid var(--fen-border);border-radius:18px;background:var(--fen-panel);box-shadow:0 12px 34px rgba(16,41,66,.12);color:var(--fen-text)}
.fen-pdf-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 18px;border-bottom:1px solid var(--fen-border);background:var(--fen-panel)}
.fen-pdf-title-wrap{min-width:210px}.fen-pdf-title{display:block;font-size:17px;line-height:1.3}.fen-pdf-status{display:block;margin-top:4px;font-size:12px;color:#64748b}.fen-pdf-toolbar{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:7px}
.fen-pdf-toolbar button,.fen-pdf-button,.fen-pdf-mobile-nav button,.fen-search-bar button{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 11px;border:1px solid var(--fen-border);border-radius:11px;background:var(--fen-panel);color:var(--fen-text);font:inherit;font-weight:800;text-decoration:none;cursor:pointer;transition:.15s ease}
.fen-pdf-toolbar button:hover,.fen-pdf-button:hover,.fen-pdf-mobile-nav button:hover,.fen-search-bar button:hover{border-color:var(--fen-accent);color:var(--fen-accent);transform:translateY(-1px)}.fen-pdf-toolbar button:disabled,.fen-pdf-mobile-nav button:disabled{opacity:.35;cursor:not-allowed;transform:none}.fen-page-control{display:inline-flex;align-items:center;gap:5px;font-size:13px}.fen-page-control input{width:58px;height:40px;padding:4px;border:1px solid var(--fen-border);border-radius:10px;text-align:center;font:inherit;background:var(--fen-panel);color:var(--fen-text)}.fen-toolbar-separator{width:1px;height:28px;margin:0 3px;background:var(--fen-border)}.fen-zoom-value{min-width:48px;text-align:center;font-size:12px;font-weight:800;color:#64748b}
.fen-search-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--fen-border);background:var(--fen-panel)}.fen-search-bar[hidden]{display:none}.fen-search-bar input{flex:1;min-width:120px;height:40px;padding:0 12px;border:1px solid var(--fen-border);border-radius:10px;background:var(--fen-panel);color:var(--fen-text)}.fen-search-bar span{font-size:12px;color:#64748b}.fen-pdf-body{display:flex;min-width:0}.fen-pdf-sidebar{width:170px;flex:0 0 170px;height:var(--fen-reader-height,92dvh);overflow:auto;padding:10px;border-right:1px solid var(--fen-border);background:#e8eef3}.fen-pdf-sidebar[hidden]{display:none}.fen-thumb-list{display:grid;gap:10px}.fen-thumb{position:relative;width:100%;padding:7px;border:2px solid transparent;border-radius:10px;background:#fff;cursor:pointer}.fen-thumb canvas{display:block;width:100%;height:auto;background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.12)}.fen-thumb span{display:block;margin-top:5px;font-size:12px;font-weight:800}.fen-thumb.is-current{border-color:var(--fen-accent);box-shadow:0 0 0 3px rgba(19,167,183,.13)}
.fen-pdf-stage{position:relative;display:flex;align-items:flex-start;justify-content:center;flex:1;min-width:0;height:var(--fen-reader-height,92dvh);min-height:520px;overflow:auto;padding:14px;background:var(--fen-bg);outline:none;overscroll-behavior:contain}.fen-pdf-stage.is-fit-page{align-items:center}.fen-pdf-stage:focus-visible{box-shadow:inset 0 0 0 3px rgba(19,167,183,.25)}.fen-pdf-stage canvas{display:block;max-width:none;border-radius:3px;background:#fff;box-shadow:0 6px 24px rgba(15,23,42,.22);transition:opacity .18s ease}.fen-pdf-loading,.fen-pdf-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center;background:var(--fen-bg);z-index:2}.fen-pdf-loading[hidden],.fen-pdf-error[hidden]{display:none}.fen-pdf-error{color:#b42318;font-weight:800}.fen-spinner{width:30px;height:30px;border:4px solid #cbd5e1;border-top-color:var(--fen-accent);border-radius:50%;animation:fen-spin .75s linear infinite}.fen-progress{width:210px;height:7px;margin:8px auto 3px;overflow:hidden;border-radius:99px;background:#d7e1e8}.fen-progress i{display:block;width:0;height:100%;background:var(--fen-accent);transition:width .18s}.fen-pdf-loading small{color:#64748b}@keyframes fen-spin{to{transform:rotate(360deg)}}
.fen-pdf-mobile-nav{display:none;align-items:center;justify-content:space-between;gap:10px;padding:10px;border-top:1px solid var(--fen-border);background:var(--fen-panel)}.fen-pdf-reader:fullscreen{width:100vw;height:100vh;margin:0;border:0;border-radius:0}.fen-pdf-reader:fullscreen .fen-pdf-stage,.fen-pdf-reader:fullscreen .fen-pdf-sidebar{height:calc(100vh - 67px)}
.fen-pdf-reader.is-dark{--fen-border:#344454;--fen-bg:#18222d;--fen-panel:#101820;--fen-text:#e8eef5}.fen-pdf-reader.is-dark .fen-pdf-status,.fen-pdf-reader.is-dark .fen-zoom-value,.fen-pdf-reader.is-dark .fen-search-bar span{color:#aebccc}.fen-pdf-reader.is-dark .fen-pdf-sidebar{background:#15202a}.fen-pdf-reader.is-dark .fen-pdf-stage canvas{filter:brightness(.92)}
@media(max-width:980px){.fen-pdf-header{align-items:flex-start;flex-direction:column}.fen-pdf-toolbar{width:100%;justify-content:center}.fen-pdf-title-wrap{width:100%;text-align:center}.fen-pdf-toolbar button[data-action="fit-width"],.fen-pdf-toolbar button[data-action="fit-page"]{font-size:11px}.fen-pdf-sidebar{position:absolute;left:0;z-index:5;width:155px;box-shadow:8px 0 18px rgba(0,0,0,.18)}}
@media(max-width:760px){.fen-pdf-reader{border-radius:12px}.fen-pdf-header{padding:10px}.fen-pdf-toolbar{gap:5px}.fen-pdf-toolbar [data-action="prev"],.fen-pdf-toolbar [data-action="next"],.fen-page-control,.fen-toolbar-separator,.fen-zoom-value,.fen-pdf-toolbar [data-action="print"]{display:none}.fen-pdf-toolbar button,.fen-pdf-button{min-width:38px;height:38px;padding:0 9px}.fen-pdf-toolbar button[data-action="fit-page"]{display:none}.fen-pdf-stage{height:68vh;min-height:430px;padding:8px}.fen-pdf-mobile-nav{display:flex}.fen-search-bar{flex-wrap:wrap}.fen-search-bar span{width:100%;text-align:center}.fen-pdf-sidebar{height:68vh}}
@media(prefers-reduced-motion:reduce){.fen-pdf-toolbar button,.fen-pdf-button,.fen-pdf-mobile-nav button,.fen-pdf-stage canvas{transition:none}.fen-spinner{animation-duration:1.5s}} .fen-page-stack{position:relative;flex:0 0 auto;line-height:0;box-shadow:0 6px 24px rgba(15,23,42,.22);background:#fff}
.fen-page-stack>canvas[data-role="canvas"]{box-shadow:none}
.fen-annotation-canvas{position:absolute;inset:0;z-index:3;display:block;pointer-events:none;touch-action:none;background:transparent!important;box-shadow:none!important;cursor:crosshair}
.fen-pdf-reader.is-annotating .fen-annotation-canvas{pointer-events:auto}
.fen-pdf-reader.is-annotating[data-active-tool="eraser"] .fen-annotation-canvas{cursor:cell}
.fen-annotation-bar{display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding:10px 14px;border-bottom:1px solid var(--fen-border);background:#f7fbfc}
.fen-annotation-bar[hidden]{display:none}
.fen-annotation-bar button,.fen-color-control,.fen-width-control{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 10px;border:1px solid var(--fen-border);border-radius:10px;background:var(--fen-panel);color:var(--fen-text);font:inherit;font-size:12px;font-weight:800;cursor:pointer}
.fen-annotation-bar button:hover,.fen-annotation-bar button.is-active{border-color:var(--fen-accent);color:var(--fen-accent);box-shadow:0 0 0 3px rgba(19,167,183,.12)}
.fen-color-control input{width:30px;height:28px;padding:1px;border:0;background:transparent;cursor:pointer}
.fen-width-control input{width:110px}.fen-width-control output{min-width:20px;text-align:center}
.fen-pdf-reader.is-dark .fen-annotation-bar{background:#15202a}
.fen-pdf-reader.is-annotating .fen-pdf-mobile-nav{opacity:.5;pointer-events:none}
@media(max-width:760px){.fen-annotation-bar{gap:5px;padding:8px;overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start}.fen-annotation-bar button,.fen-color-control,.fen-width-control{flex:0 0 auto;height:36px;padding:0 8px}.fen-annotation-bar button span,.fen-color-control span,.fen-width-control span{display:none}.fen-width-control input{width:78px}} .fen-reader-content{display:flex;min-width:0}.fen-reader-pane{flex:1;min-width:0}.fen-quiz-panel{display:none;width:430px;flex:0 0 430px;height:var(--fen-reader-height,92dvh);border-left:1px solid var(--fen-border);background:var(--fen-panel);overflow:auto}.fen-pdf-reader.quiz-open .fen-quiz-panel{display:block}.fen-pdf-reader.quiz-open .fen-reader-pane{min-width:0}.fen-pdf-reader.quiz-open .fen-pdf-stage{padding:10px}.fen-quiz-toggle{background:linear-gradient(135deg,var(--fen-accent),#08728f)!important;color:#fff!important;border-color:transparent!important}.fen-mobile-mode-tabs{display:none}.fen-quiz-shell{min-height:100%;display:flex;flex-direction:column}.fen-quiz-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px;border-bottom:1px solid var(--fen-border)}.fen-quiz-header strong{display:block;font-size:17px}.fen-quiz-header small{display:block;margin-top:5px;color:#64748b}.fen-quiz-header>button{border:0;background:transparent;font-size:26px;cursor:pointer;color:var(--fen-text)}.fen-quiz-kicker{display:block;margin-bottom:5px;color:var(--fen-accent);font-size:11px;font-weight:900;letter-spacing:.12em}.fen-quiz-nav{display:flex;gap:7px;overflow-x:auto;padding:11px 15px;border-bottom:1px solid var(--fen-border)}.fen-quiz-nav button{position:relative;flex:0 0 34px;height:34px;border:1px solid var(--fen-border);border-radius:50%;background:var(--fen-panel);font-weight:800;cursor:pointer;color:var(--fen-text)}.fen-quiz-nav button.is-current{border-color:var(--fen-accent);box-shadow:0 0 0 3px rgba(19,167,183,.16)}.fen-quiz-nav button.is-answered{background:#e8f7f9}.fen-quiz-nav button.is-marked:after{content:'★';position:absolute;right:-4px;top:-8px;color:#f59e0b;font-size:12px}.fen-quiz-nav button.is-correct{background:#dcfce7;border-color:#22c55e}.fen-quiz-nav button.is-wrong{background:#fee2e2;border-color:#ef4444}.fen-quiz-nav button.is-empty{background:#f1f5f9}.fen-quiz-main{padding:20px;flex:1}.fen-quiz-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;color:#64748b;font-size:12px;font-weight:800}.fen-quiz-meta button{border:0;background:transparent;color:#d97706;font-weight:800;cursor:pointer}.fen-quiz-main h3{margin:0 0 18px;font-size:18px;line-height:1.5}.fen-quiz-image{display:block;max-width:100%;max-height:250px;margin:0 auto 18px;border-radius:10px}.fen-quiz-options{display:grid;gap:10px}.fen-quiz-options button{display:flex;align-items:center;gap:12px;width:100%;padding:13px;border:1px solid var(--fen-border);border-radius:12px;background:var(--fen-panel);text-align:left;color:var(--fen-text);cursor:pointer}.fen-quiz-options button:hover,.fen-quiz-options button.is-selected{border-color:var(--fen-accent);box-shadow:0 0 0 3px rgba(19,167,183,.12)}.fen-quiz-options button>span{display:flex;align-items:center;justify-content:center;flex:0 0 34px;height:34px;border-radius:50%;background:#e8f4f7;color:var(--fen-accent2);font-weight:900}.fen-quiz-options button strong{font-weight:650;line-height:1.4}.fen-quiz-options button.is-correct{border-color:#22c55e;background:#f0fdf4}.fen-quiz-options button.is-wrong{border-color:#ef4444;background:#fef2f2}.fen-quiz-feedback{margin-top:16px;padding:14px;border-radius:12px;line-height:1.5}.fen-quiz-feedback.is-correct{background:#dcfce7;color:#166534}.fen-quiz-feedback.is-wrong{background:#fee2e2;color:#991b1b}.fen-quiz-feedback p{margin:7px 0}.fen-quiz-feedback button{padding:8px 11px;border:0;border-radius:8px;background:var(--fen-accent2);color:#fff;font-weight:800;cursor:pointer}.fen-quiz-footer{display:flex;justify-content:space-between;gap:8px;padding:13px;border-top:1px solid var(--fen-border);background:var(--fen-panel);position:sticky;bottom:0}.fen-quiz-footer button,.fen-result-actions button{padding:10px 12px;border:1px solid var(--fen-border);border-radius:10px;background:var(--fen-panel);color:var(--fen-text);font-weight:800;cursor:pointer}.fen-quiz-footer .fen-finish-button{background:var(--fen-accent2);color:#fff;border-color:transparent}.fen-quiz-result{padding:22px;text-align:center;flex:1}.fen-result-score{width:120px;height:120px;margin:0 auto 12px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--fen-accent),var(--fen-accent2));color:#fff}.fen-result-score strong{font-size:38px;line-height:1}.fen-result-score span{font-size:11px;font-weight:900;letter-spacing:.12em}.fen-result-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.fen-result-cards div{padding:12px 6px;border:1px solid var(--fen-border);border-radius:10px}.fen-result-cards b{display:block;font-size:22px}.fen-result-cards span{font-size:12px;color:#64748b}.fen-result-map{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:14px 0}.fen-result-map button{padding:8px 4px;border:0;border-radius:8px;font-size:11px;cursor:pointer}.fen-result-map button span{display:block;font-size:15px;font-weight:900}.fen-result-map .correct{background:#dcfce7;color:#166534}.fen-result-map .wrong{background:#fee2e2;color:#991b1b}.fen-result-map .empty{background:#f1f5f9;color:#475569}.fen-result-actions{display:grid;gap:8px}.fen-result-actions button:first-child{background:var(--fen-accent2);color:#fff}.fen-pdf-reader.is-dark .fen-quiz-nav button.is-answered{background:#173941}.fen-pdf-reader.is-dark .fen-quiz-options button>span{background:#173941;color:#7ddce5}.fen-pdf-reader.is-dark .fen-result-map .empty{background:#263442;color:#d5dee7}
@media(min-width:901px){.fen-pdf-reader.quiz-open .fen-pdf-sidebar{display:none}.fen-pdf-reader.quiz-open .fen-pdf-stage{height:var(--fen-reader-height,92dvh)}}
@media(max-width:900px){.fen-mobile-mode-tabs{display:flex;border-bottom:1px solid var(--fen-border);background:var(--fen-panel)}.fen-mobile-mode-tabs button{flex:1;padding:11px;border:0;border-bottom:3px solid transparent;background:transparent;color:var(--fen-text);font-weight:900}.fen-mobile-mode-tabs button.is-active{border-bottom-color:var(--fen-accent);color:var(--fen-accent)}.fen-reader-content{display:block}.fen-quiz-panel{width:100%;height:68vh;border-left:0}.fen-pdf-reader.quiz-open .fen-quiz-panel{display:none}.fen-pdf-reader.mobile-quiz-view .fen-reader-pane{display:none}.fen-pdf-reader.mobile-quiz-view .fen-quiz-panel{display:block}.fen-pdf-reader.mobile-quiz-view .fen-annotation-bar,.fen-pdf-reader.mobile-quiz-view .fen-search-bar{display:none}.fen-pdf-toolbar .fen-quiz-toggle{display:none}.fen-quiz-header>button{display:none}} .fen-laser-dot{position:absolute;left:0;top:0;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:#ef233c;box-shadow:0 0 0 8px rgba(239,35,60,.18),0 0 24px rgba(239,35,60,.9);z-index:50;pointer-events:none;transition:width .1s,height .1s}
.fen-spotlight{position:absolute;inset:0;z-index:45;pointer-events:none;background:radial-gradient(circle 135px at var(--spot-x,50%) var(--spot-y,50%),transparent 0,transparent 55%,rgba(0,0,0,.78) 100%)}
.fen-pdf-reader.is-teacher .fen-pdf-toolbar button,.fen-pdf-reader.is-teacher .fen-pdf-button{min-width:58px;min-height:58px;font-size:1.15rem}
.fen-pdf-reader.is-teacher .fen-pdf-title{font-size:1.45rem}
.fen-pdf-reader.is-presentation .fen-pdf-header,.fen-pdf-reader.is-presentation .fen-mobile-mode-tabs,.fen-pdf-reader.is-presentation .fen-search-bar,.fen-pdf-reader.is-presentation .fen-annotation-bar,.fen-pdf-reader.is-presentation .fen-pdf-mobile-nav{display:none!important}
.fen-pdf-reader.is-presentation{height:100vh;--fen-reader-height:100vh;border-radius:0;border:0}
.fen-pdf-reader.is-presentation .fen-reader-content,.fen-pdf-reader.is-presentation .fen-reader-pane,.fen-pdf-reader.is-presentation .fen-pdf-body,.fen-pdf-reader.is-presentation .fen-pdf-stage{height:100vh;min-height:100vh}
.fen-pdf-reader.is-laser .fen-pdf-stage,.fen-pdf-reader.is-spotlight .fen-pdf-stage{cursor:none}
.fen-presentation-exit{display:none;position:absolute;top:14px;right:14px;z-index:1000;align-items:center;gap:8px;padding:11px 15px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(15,23,42,.88);color:#fff;font:inherit;font-weight:900;cursor:pointer;box-shadow:0 8px 30px rgba(0,0,0,.28);backdrop-filter:blur(8px)}
.fen-presentation-exit:hover{background:#0f172a;transform:translateY(-1px)}
.fen-pdf-reader.is-presentation .fen-presentation-exit{display:inline-flex}
.fen-pdf-reader.is-presentation{position:relative}
@media(max-width:600px){.fen-presentation-exit{top:9px;right:9px;padding:10px 12px}.fen-presentation-exit span{display:none}} .fen-pdf-reader.quiz-open .fen-pdf-header,
.fen-pdf-reader.quiz-open .fen-mobile-mode-tabs, .fen-pdf-reader.quiz-open .fen-search-bar, .fen-pdf-reader.quiz-open .fen-annotation-bar, .fen-pdf-reader.quiz-open .fen-reader-pane{display:none!important}
.fen-pdf-reader.quiz-open .fen-reader-content{display:block;height:var(--fen-reader-height,92dvh);min-height:560px}
.fen-pdf-reader.quiz-open .fen-quiz-panel{display:block;width:100%;max-width:none;flex:none;height:var(--fen-reader-height,92dvh);border:0;overflow:auto;background:var(--fen-panel)}
.fen-pdf-reader.quiz-open .fen-quiz-shell{width:min(980px,100%);min-height:100%;margin:0 auto;border-left:1px solid var(--fen-border);border-right:1px solid var(--fen-border)}
.fen-pdf-reader.quiz-open .fen-quiz-header{position:sticky;top:0;z-index:12;background:var(--fen-panel);padding:20px 28px}
.fen-pdf-reader.quiz-open .fen-quiz-header>button{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--fen-border);border-radius:50%;background:var(--fen-panel);font-size:28px}
.fen-pdf-reader.quiz-open .fen-quiz-nav{position:sticky;top:87px;z-index:11;background:var(--fen-panel);padding:13px 28px}
.fen-pdf-reader.quiz-open .fen-quiz-main{padding:28px clamp(20px,5vw,72px)}
.fen-pdf-reader.quiz-open .fen-quiz-main h3{font-size:clamp(20px,2vw,30px)}
.fen-pdf-reader.quiz-open .fen-quiz-image{max-height:420px}
.fen-pdf-reader.quiz-open .fen-quiz-options button{padding:17px 18px;font-size:16px}
.fen-pdf-reader.quiz-open .fen-quiz-footer{padding:15px 28px}
.fen-pdf-reader.quiz-open .fen-quiz-result{max-width:760px;margin:0 auto;padding:36px 24px}
@media(max-width:900px){
.fen-pdf-reader.quiz-open .fen-reader-content,.fen-pdf-reader.quiz-open .fen-quiz-panel{height:var(--fen-reader-height,92dvh);min-height:520px}
.fen-pdf-reader.quiz-open .fen-quiz-shell{border:0}
.fen-pdf-reader.quiz-open .fen-quiz-header{padding:15px 16px}
.fen-pdf-reader.quiz-open .fen-quiz-nav{top:76px;padding:10px 14px}
.fen-pdf-reader.quiz-open .fen-quiz-main{padding:20px 16px}
.fen-pdf-reader.quiz-open .fen-quiz-footer{padding:11px 12px}
.fen-pdf-reader.quiz-open .fen-quiz-header>button{display:inline-flex}
} .fen-pdf-reader.quiz-open{border-radius:18px;background:#f4f7fa}
.fen-pdf-reader.quiz-open .fen-quiz-shell{max-width:1100px;background:var(--fen-panel);box-shadow:0 12px 34px rgba(16,41,66,.08)}
.fen-pdf-reader.quiz-open .fen-quiz-header{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px}
.fen-pdf-reader.quiz-open .fen-quiz-heading{text-align:center;min-width:0}
.fen-pdf-reader.quiz-open .fen-quiz-heading strong{font-size:clamp(18px,2vw,26px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fen-pdf-reader.quiz-open .fen-quiz-back{display:inline-flex;align-items:center;gap:8px;width:auto;height:46px;padding:0 15px;border:1px solid var(--fen-border);border-radius:999px;background:var(--fen-panel);font-size:14px;font-weight:900;color:var(--fen-text)}
.fen-pdf-reader.quiz-open .fen-quiz-close{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;padding:0;border:1px solid var(--fen-border);border-radius:50%;background:var(--fen-panel);font-size:28px;color:var(--fen-text)}
.fen-pdf-reader.quiz-open .fen-quiz-back:hover,.fen-pdf-reader.quiz-open .fen-quiz-close:hover{border-color:var(--fen-accent);color:var(--fen-accent)}
.fen-pdf-reader.quiz-open .fen-quiz-main{max-width:900px;width:100%;margin:0 auto}
.fen-pdf-reader.quiz-open .fen-quiz-options{gap:14px}
.fen-pdf-reader.quiz-open .fen-quiz-options button{min-height:72px;border-radius:16px}
.fen-pdf-reader.quiz-open .fen-quiz-footer{z-index:12}
.fen-pdf-reader.quiz-result-mode .fen-quiz-nav{display:none}
.fen-pdf-reader.quiz-result-mode .fen-quiz-header{border-bottom:1px solid var(--fen-border)}
.fen-pdf-reader.quiz-result-mode .fen-quiz-result{display:flex;flex-direction:column;justify-content:center;min-height:calc(var(--fen-reader-height,92dvh) - 110px)}
.fen-pdf-reader.quiz-result-mode .fen-quiz-footer{display:none}
.fen-pdf-reader.quiz-result-mode .fen-result-score{width:150px;height:150px}
.fen-pdf-reader.quiz-result-mode .fen-result-score strong{font-size:50px}
.fen-pdf-reader.quiz-result-mode .fen-result-cards div{padding:18px 8px;border-radius:14px}
.fen-pdf-reader.quiz-result-mode .fen-result-cards b{font-size:30px}
@media(max-width:700px){
.fen-pdf-reader.quiz-open .fen-quiz-header{grid-template-columns:auto 1fr auto;gap:8px}
.fen-pdf-reader.quiz-open .fen-quiz-back{width:44px;padding:0;justify-content:center;border-radius:50%;font-size:20px}
.fen-pdf-reader.quiz-open .fen-quiz-back span{display:none}
.fen-pdf-reader.quiz-open .fen-quiz-close{width:44px;height:44px}
.fen-pdf-reader.quiz-open .fen-quiz-heading strong{font-size:16px}
.fen-pdf-reader.quiz-open .fen-quiz-kicker{font-size:10px}
.fen-pdf-reader.quiz-open .fen-quiz-options button{min-height:62px}
} @media(min-width:901px){
.fen-pdf-reader{--fen-reader-height:92dvh}
.fen-pdf-stage,.fen-pdf-sidebar{min-height:680px}
}
@media(max-width:900px){
.fen-pdf-reader{--fen-reader-height:78dvh}
} .fen-quiz-option-content{display:flex;flex:1;min-width:0;align-items:center;gap:14px}.fen-quiz-option-content strong{display:block;flex:1}.fen-quiz-option-image{display:block;max-width:220px;max-height:150px;object-fit:contain;border-radius:10px}.fen-pdf-reader.quiz-open .fen-quiz-option-content{align-items:flex-start}.fen-pdf-reader.quiz-open .fen-quiz-option-image{max-width:min(360px,42vw);max-height:260px}.fen-pdf-reader.quiz-open .fen-quiz-options button:has(.fen-quiz-option-image){align-items:flex-start}.fen-pdf-reader.quiz-open .fen-quiz-options button:has(.fen-quiz-option-image) .fen-quiz-option-content{flex-direction:column}.fen-quiz-image[hidden],.fen-quiz-option-image[hidden]{display:none!important}@media(max-width:700px){.fen-quiz-option-content{flex-direction:column;align-items:flex-start}.fen-quiz-option-image,.fen-pdf-reader.quiz-open .fen-quiz-option-image{max-width:100%;max-height:220px}} .fen-quiz-image-wrap[hidden]{display:none!important}
.fen-quiz-image-wrap{margin:0 auto 24px;text-align:center}
.fen-quiz-image-wrap .fen-quiz-image{display:block;max-width:100%;max-height:420px;margin:0 auto;border-radius:14px;object-fit:contain}
.fen-pdf-reader.quiz-open .fen-quiz-options{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:16px}
.fen-pdf-reader.quiz-open .fen-quiz-options button{height:100%;min-height:118px;padding:18px;align-items:flex-start}
.fen-pdf-reader.quiz-open .fen-quiz-option-content{height:100%;justify-content:center}
.fen-pdf-reader.quiz-open .fen-quiz-option-content strong{align-self:center}
.fen-pdf-reader.quiz-open .fen-quiz-options button:has(.fen-quiz-option-image) .fen-quiz-option-content{justify-content:flex-start}
.fen-pdf-reader.quiz-open .fen-quiz-option-image{width:100%;max-width:100%;max-height:260px}
@media(max-width:900px){
.fen-pdf-reader.quiz-open .fen-quiz-options{grid-template-columns:1fr}
.fen-pdf-reader.quiz-open .fen-quiz-options button{min-height:76px}
} .fen-quiz-standalone{width:100%;min-height:var(--fen-reader-height,92dvh);overflow:hidden}
.fen-quiz-standalone .fen-reader-content{height:var(--fen-reader-height,92dvh);min-height:560px}
.fen-quiz-standalone .fen-quiz-panel{display:block!important;width:100%;height:var(--fen-reader-height,92dvh);border:0;overflow:auto}
.fen-quiz-standalone .fen-quiz-shell{width:min(1100px,100%);min-height:100%;margin:0 auto;background:var(--fen-panel);border-left:1px solid var(--fen-border);border-right:1px solid var(--fen-border);box-shadow:0 12px 34px rgba(16,41,66,.08)}
.fen-quiz-standalone .fen-quiz-header-standalone{display:block;text-align:center;position:sticky;top:0;z-index:12;background:var(--fen-panel);padding:20px 28px}
.fen-quiz-standalone .fen-quiz-nav{position:sticky;top:87px;z-index:11;background:var(--fen-panel);padding:13px 28px}
.fen-quiz-standalone .fen-quiz-main{max-width:900px;width:100%;margin:0 auto;padding:28px clamp(20px,5vw,72px)}
.fen-quiz-standalone .fen-quiz-main h3{font-size:clamp(20px,2vw,30px)}
.fen-quiz-standalone .fen-quiz-image{max-height:420px}
.fen-quiz-standalone .fen-quiz-options{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:16px}
.fen-quiz-standalone .fen-quiz-options button{height:100%;min-height:118px;padding:18px;align-items:flex-start;font-size:16px;border-radius:16px}
.fen-quiz-standalone .fen-quiz-option-content{height:100%;justify-content:center;align-items:flex-start}
.fen-quiz-standalone .fen-quiz-option-content strong{align-self:center}
.fen-quiz-standalone .fen-quiz-option-image{width:100%;max-width:100%;max-height:260px}
.fen-quiz-standalone .fen-quiz-options button:has(.fen-quiz-option-image) .fen-quiz-option-content{justify-content:flex-start;flex-direction:column}
.fen-quiz-standalone .fen-quiz-footer{padding:15px 28px;z-index:12}
.fen-quiz-standalone .fen-quiz-result{max-width:760px;margin:0 auto;padding:36px 24px}
@media(max-width:700px){
.fen-quiz-standalone .fen-reader-content,.fen-quiz-standalone .fen-quiz-panel{height:var(--fen-reader-height,92dvh);min-height:520px}
.fen-quiz-standalone .fen-quiz-shell{border:0}
.fen-quiz-standalone .fen-quiz-header-standalone{padding:15px 16px}
.fen-quiz-standalone .fen-quiz-nav{top:76px;padding:10px 14px}
.fen-quiz-standalone .fen-quiz-main{padding:20px 16px}
.fen-quiz-standalone .fen-quiz-options{grid-template-columns:1fr}
.fen-quiz-standalone .fen-quiz-options button{min-height:76px}
.fen-quiz-standalone .fen-quiz-footer{padding:11px 12px}
}
\n\n \n.fen-quiz-header-stats{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:7px}\n.fen-quiz-header-stats small{margin:0}\n.fen-quiz-timer{display:inline-flex!important;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--fen-border);border-radius:999px;background:#f8fafc;color:#334155!important;font-variant-numeric:tabular-nums;font-weight:900}\n.fen-quiz-standalone .fen-quiz-meta{padding-bottom:12px;border-bottom:1px dashed var(--fen-border)}\n.fen-quiz-standalone .fen-quiz-main h3{margin-top:20px;letter-spacing:-.01em}\n.fen-quiz-standalone .fen-quiz-options button{transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}\n.fen-quiz-standalone .fen-quiz-options button:hover{transform:translateY(-2px)}\n.fen-result-time{margin:0 0 18px;color:#64748b;font-size:14px}\n.fen-result-time strong{color:var(--fen-text);font-variant-numeric:tabular-nums}\n.fen-pdf-reader.is-dark .fen-quiz-timer{background:#17212b;color:#dbe7ef!important}\n@media(max-width:700px){.fen-quiz-header-stats{gap:8px}.fen-quiz-timer{padding:4px 8px}.fen-quiz-standalone .fen-quiz-options button:hover{transform:none}}\n .fen-quiz-progress-track{width:min(460px,90%);height:8px;margin:12px auto 0;overflow:hidden;border-radius:999px;background:#e8eef4}
.fen-quiz-progress-track>span{display:block;width:0;height:100%;border-radius:inherit;background:var(--fen-accent);transition:width .25s ease}
.fen-result-topics{margin:20px 0;padding:18px;border:1px solid var(--fen-border);border-radius:16px;background:#f8fafc;text-align:left}
.fen-result-topics h4{margin:0 0 12px;font-size:16px}
.fen-result-topics>div{display:flex;flex-wrap:wrap;gap:9px}
.fen-result-topics span{display:inline-flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid var(--fen-border);border-radius:999px;background:#fff;font-size:13px;font-weight:800}
.fen-result-topics b{display:inline-flex;align-items:center;justify-content:center;min-width:23px;height:23px;padding:0 6px;border-radius:999px;background:#fee2e2;color:#991b1b}
.fen-pdf-reader.is-dark .fen-quiz-progress-track{background:#263544}
.fen-pdf-reader.is-dark .fen-result-topics{background:#17212b}
.fen-pdf-reader.is-dark .fen-result-topics span{background:#111a22}
@media(max-width:700px){.fen-quiz-progress-track{width:100%;height:6px}.fen-result-topics{padding:14px}} .fen-student-panel{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;border:1px solid #e5e7eb;border-radius:22px;padding:24px;box-shadow:0 18px 50px rgba(15,23,42,.08);color:#0f172a;max-width:1100px;margin:24px auto}.fen-student-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.fen-student-head span,.fen-student-continue small{font-size:12px;font-weight:800;letter-spacing:.12em;color:#2563eb}.fen-student-head h2{font-size:30px;line-height:1.15;margin:4px 0}.fen-student-head p{margin:0;color:#64748b}.fen-student-avatar{width:58px;height:58px;border-radius:18px;background:#0f172a;color:#fff;display:grid;place-items:center;font-size:26px;font-weight:800}.fen-student-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.fen-student-stats article{border:1px solid #e2e8f0;border-radius:16px;padding:18px;background:#f8fafc}.fen-student-stats strong{display:block;font-size:28px}.fen-student-stats span{display:block;color:#64748b;font-size:13px;margin-top:4px}.fen-student-continue{margin-top:18px;border-radius:18px;padding:18px 20px;background:#eff6ff;display:flex;align-items:center;justify-content:space-between;gap:18px}.fen-student-continue strong{display:block;margin-top:4px}.fen-student-primary{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:#2563eb;color:#fff!important;text-decoration:none!important;font-weight:800;padding:11px 18px}.fen-student-recent{margin-top:24px}.fen-student-recent h3{margin:0 0 12px}.fen-student-table{display:grid;gap:10px}.fen-student-table article{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;gap:16px;border:1px solid #e2e8f0;border-radius:14px;padding:14px 16px}.fen-student-table article div{min-width:0}.fen-student-table strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fen-student-table small{display:block;color:#94a3b8;margin-top:3px}.fen-student-table article>span{font-size:13px;font-weight:700;color:#334155}.fen-student-empty,.fen-student-note{color:#64748b}.fen-student-note{font-size:12px;margin:18px 0 0}.fen-student-login{text-align:center}.fen-student-login p{color:#64748b}@media(max-width:760px){.fen-student-panel{padding:18px;border-radius:16px}.fen-student-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.fen-student-table article{grid-template-columns:1fr 1fr}.fen-student-table article div{grid-column:1/-1}.fen-student-continue{align-items:flex-start;flex-direction:column}.fen-student-head h2{font-size:24px}} .fen-student-account-note{margin-top:22px;padding:18px 20px;border:1px solid #bfdbfe;border-radius:18px;background:#eff6ff;display:flex;align-items:center;justify-content:space-between;gap:18px}.fen-student-account-note strong{display:block;color:#1e3a8a}.fen-student-account-note p{margin:4px 0 0;color:#475569}.fen-student-account-actions{display:flex;gap:10px;flex-wrap:wrap}.fen-student-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #2563eb;border-radius:12px;background:#fff;color:#2563eb!important;text-decoration:none!important;font-weight:800;padding:10px 17px}.fen-student-guest .fen-student-avatar{background:#2563eb}@media(max-width:760px){.fen-student-account-note{align-items:flex-start;flex-direction:column}.fen-student-account-actions{width:100%}.fen-student-account-actions a{flex:1}} .fen-quiz-options button{position:relative;overflow:hidden;border-width:2px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease,color .16s ease;}
.fen-quiz-options button:hover:not(:disabled){border-color:#0891b2;box-shadow:0 10px 24px rgba(8,145,178,.14);transform:translateY(-2px);}
.fen-quiz-options button.is-selected{border:3px solid #087ea4!important;background:linear-gradient(135deg,#075f82,#0b82aa)!important;color:#fff!important;box-shadow:0 0 0 4px rgba(14,165,190,.20),0 14px 30px rgba(7,95,130,.24)!important;transform:translateY(-2px);}
.fen-quiz-options button.is-selected>span{background:#fff!important;color:#075f82!important;box-shadow:0 0 0 3px rgba(255,255,255,.25);}
.fen-quiz-options button.is-selected .fen-quiz-option-content strong{color:#fff!important}
.fen-quiz-options button.is-selected:after{content:'✓';position:absolute;top:12px;right:14px;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#fff;color:#087ea4;font-size:19px;font-weight:1000;box-shadow:0 4px 12px rgba(15,23,42,.18);}
.fen-quiz-options button.is-correct{border:3px solid #16a34a!important;background:linear-gradient(135deg,#15803d,#22c55e)!important;color:#fff!important;box-shadow:0 0 0 4px rgba(34,197,94,.18),0 12px 28px rgba(22,163,74,.20)!important;}
.fen-quiz-options button.is-correct>span{background:#fff!important;color:#15803d!important}
.fen-quiz-options button.is-correct .fen-quiz-option-content strong{color:#fff!important}
.fen-quiz-options button.is-correct:after{content:'✓ DOĞRU';position:absolute;top:12px;right:14px;padding:6px 10px;border-radius:999px;background:#fff;color:#15803d;font-size:11px;font-weight:1000;letter-spacing:.04em;}
.fen-quiz-options button.is-wrong{border:3px solid #dc2626!important;background:linear-gradient(135deg,#b91c1c,#ef4444)!important;color:#fff!important;box-shadow:0 0 0 4px rgba(239,68,68,.17),0 12px 28px rgba(220,38,38,.18)!important;}
.fen-quiz-options button.is-wrong>span{background:#fff!important;color:#b91c1c!important}
.fen-quiz-options button.is-wrong .fen-quiz-option-content strong{color:#fff!important}
.fen-quiz-options button.is-wrong:after{content:'✕ YANLIŞ';position:absolute;top:12px;right:14px;padding:6px 10px;border-radius:999px;background:#fff;color:#b91c1c;font-size:11px;font-weight:1000;letter-spacing:.04em;}
.fen-quiz-nav button{border-width:2px;transition:transform .14s ease,box-shadow .14s ease,background-color .14s ease}
.fen-quiz-nav button:hover{transform:translateY(-1px)}
.fen-quiz-nav button.is-current{border:3px solid #0891b2;box-shadow:0 0 0 4px rgba(8,145,178,.18)}
.fen-quiz-nav button.is-answered{background:#0e7490!important;border-color:#0e7490!important;color:#fff!important}
.fen-quiz-nav button.is-marked{background:#f59e0b!important;border-color:#d97706!important;color:#fff!important}
.fen-quiz-nav button.is-correct{background:#16a34a!important;border-color:#15803d!important;color:#fff!important}
.fen-quiz-nav button.is-wrong{background:#dc2626!important;border-color:#b91c1c!important;color:#fff!important}
.fen-quiz-nav button.is-empty{background:#e2e8f0!important;border-color:#cbd5e1!important;color:#475569!important}
.fen-quiz-nav button.is-marked:after{right:-5px;top:-10px;font-size:15px;text-shadow:0 1px 2px rgba(0,0,0,.15)}
.fen-quiz-meta button{padding:8px 12px;border:1px solid #f59e0b;border-radius:999px;background:#fff7ed;color:#c2410c;font-weight:900;transition:.15s ease}
.fen-quiz-meta button:hover{background:#ffedd5;transform:translateY(-1px)}
.fen-quiz-feedback{border:2px solid transparent;font-weight:650}
.fen-quiz-feedback.is-correct{border-color:#22c55e;background:#dcfce7;color:#14532d}
.fen-quiz-feedback.is-wrong{border-color:#ef4444;background:#fee2e2;color:#7f1d1d}
.fen-pdf-reader.is-dark .fen-quiz-options button.is-selected, .fen-pdf-reader.is-dark .fen-quiz-options button.is-correct, .fen-pdf-reader.is-dark .fen-quiz-options button.is-wrong{color:#fff!important}
@media(max-width:700px){
.fen-quiz-options button.is-selected:after{width:26px;height:26px;top:9px;right:9px;font-size:16px}
.fen-quiz-options button.is-correct:after,.fen-quiz-options button.is-wrong:after{top:8px;right:8px;padding:5px 8px;font-size:9px}
.fen-quiz-options button:hover:not(:disabled){transform:none}
}
@media(prefers-reduced-motion:reduce){.fen-quiz-options button,.fen-quiz-nav button,.fen-quiz-meta button{transition:none!important}} .fen-quiz-question-after{margin:-4px 0 22px;color:var(--fen-text);font-size:clamp(17px,1.55vw,22px);line-height:1.5;font-weight:750;white-space:pre-line;overflow-wrap:anywhere}
.fen-quiz-question-after[hidden]{display:none!important}
.fen-quiz-option-content:empty{display:none}
.fen-quiz-options button:has(.fen-quiz-option-content:empty){justify-content:center}
.fen-quiz-option-content .fen-quiz-option-image:only-child{max-width:min(100%,420px);max-height:260px;margin:auto}
.fen-quiz-standalone .fen-quiz-main h3,.fen-pdf-reader.quiz-open .fen-quiz-main h3{font-size:16px!important;line-height:1.5!important;font-weight:500!important;letter-spacing:0!important;margin:14px 0 16px!important;white-space:pre-line}
.fen-quiz-question-after{font-size:16px!important;line-height:1.5!important;font-weight:700!important;margin:10px 0 18px!important}
.fen-quiz-image-wrap{margin:8px 0 14px!important}.fen-quiz-image-wrap img{max-height:520px!important;object-fit:contain}
.fen-quiz-standalone .fen-quiz-options button,.fen-pdf-reader.quiz-open .fen-quiz-options button{font-size:15px!important;line-height:1.35!important;min-height:92px!important;padding:14px 16px!important}
@media(max-width:700px){.fen-quiz-standalone .fen-quiz-main h3,.fen-pdf-reader.quiz-open .fen-quiz-main h3,.fen-quiz-question-after{font-size:16px!important}.fen-quiz-standalone .fen-quiz-options button,.fen-pdf-reader.quiz-open .fen-quiz-options button{font-size:14px!important}} .fen-quiz-options button,
.fen-quiz-option-content, .fen-quiz-option-content strong{text-transform:none!important;font-variant:normal!important;}
.fen-student-tabs{display:flex;gap:8px;overflow-x:auto;margin:24px 0 18px;padding-bottom:4px;border-bottom:1px solid #e2e8f0}.fen-student-tabs button{border:0;background:transparent;padding:11px 14px;border-radius:12px 12px 0 0;font-weight:800;color:#64748b;white-space:nowrap;cursor:pointer}.fen-student-tabs button b{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:5px;border-radius:999px;background:#e2e8f0;color:#334155;font-size:11px}.fen-student-tabs button.is-active{background:#eff6ff;color:#1d4ed8}.fen-student-tabs button.is-active b{background:#2563eb;color:#fff}.fen-student-tab-panel{display:none}.fen-student-tab-panel.is-active{display:block}.fen-student-tab-panel>h3{margin:0 0 12px}.fen-student-result-row{grid-template-columns:minmax(190px,1fr) repeat(4,auto) auto!important}.fen-student-row-action{display:inline-flex;align-items:center;justify-content:center;padding:8px 11px;border-radius:10px;background:#2563eb;color:#fff!important;text-decoration:none!important;font-size:12px;font-weight:800}.fen-student-row-action:hover{background:#1d4ed8;color:#fff!important}@media(max-width:900px){.fen-student-result-row{grid-template-columns:repeat(2,minmax(0,1fr))!important}.fen-student-result-row>div{grid-column:1/-1}.fen-student-row-action{grid-column:1/-1}}@media(max-width:520px){.fen-student-tabs{margin-left:-4px;margin-right:-4px}.fen-student-result-row{grid-template-columns:1fr 1fr!important}.fen-student-stats{grid-template-columns:1fr 1fr}} .fen-student-panel.fen-dashboard{max-width:1320px;padding:0;display:grid;grid-template-columns:220px minmax(0,1fr);overflow:hidden;border-radius:24px;background:#f5f8fc;border:1px solid #e2e8f0;box-shadow:0 24px 70px rgba(15,23,42,.10)}
.fen-dashboard *{box-sizing:border-box}.fen-dash-sidebar{background:#fff;border-right:1px solid #e8eef5;padding:24px 16px;display:flex;flex-direction:column;min-height:760px}.fen-dash-brand{display:flex;align-items:center;gap:10px;padding:2px 8px 26px}.fen-dash-flask{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eaf3ff;color:#0967d2;font-size:22px}.fen-dash-brand strong{font-size:18px;color:#101828}.fen-dash-brand small{margin-left:4px;background:#1267d5;color:#fff;border-radius:5px;padding:2px 5px;font-size:9px;font-weight:800;vertical-align:top}
.fen-dash-sidebar nav{display:grid;gap:7px}.fen-dash-sidebar nav button{width:100%;display:grid;grid-template-columns:25px 1fr auto;align-items:center;text-align:left;border:0;background:transparent;border-radius:10px;padding:11px 12px;color:#526174;font-weight:750;cursor:pointer}.fen-dash-sidebar nav button span{font-size:17px;text-align:center}.fen-dash-sidebar nav button b{display:grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#edf2f7;font-size:11px}.fen-dash-sidebar nav button:hover,.fen-dash-sidebar nav button.is-active{background:#0d6be8;color:#fff}.fen-dash-sidebar nav button.is-active b{background:rgba(255,255,255,.22);color:#fff}.fen-dash-side-card{margin-top:auto;padding:16px;border-radius:14px;background:linear-gradient(145deg,#eef6ff,#f8fbff);border:1px solid #d8e9ff}.fen-dash-side-card small,.fen-dash-side-card span{display:block;color:#718096;font-size:11px}.fen-dash-side-card strong{display:block;font-size:28px;color:#0d6be8;margin:3px 0}
.fen-dash-main{padding:26px 28px;min-width:0}.fen-dash-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.fen-dash-topbar p{font-size:21px;margin:0;color:#1e293b}.fen-dash-topbar small{display:block;margin-top:4px;color:#7c8a9f}.fen-dash-avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#edf4ff;color:#0d6be8;font-weight:900;border:3px solid #fff;box-shadow:0 6px 18px rgba(15,23,42,.12)}
.fen-dash-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.fen-dash-stats article{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid #e6edf5;border-radius:15px;padding:16px;box-shadow:0 5px 18px rgba(20,40,70,.04)}.fen-dash-stats small{display:block;color:#758297;font-size:12px}.fen-dash-stats strong{display:block;font-size:23px;margin-top:5px}.fen-dash-stats em{font-size:12px;font-style:normal;color:#758297;font-weight:600}.fen-dash-stats article>span{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:19px}.fen-dash-stats .green{background:#e6f9ee;color:#22a35a}.fen-dash-stats .orange{background:#fff2e3;color:#f08722}.fen-dash-stats .gold{background:#fff8d8;color:#e6ae00}.fen-dash-stats .blue{background:#e9f2ff;color:#176fe3}
.fen-dash-continue{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;margin-bottom:18px;border:1px solid #cfe2ff;border-radius:14px;background:linear-gradient(90deg,#edf5ff,#f9fbff)}.fen-dash-continue small{display:block;color:#2563eb;font-weight:800;font-size:10px;letter-spacing:.08em}.fen-dash-continue strong{display:block;margin-top:3px}.fen-dash-continue a{padding:9px 13px;border-radius:9px;background:#0d6be8;color:#fff!important;text-decoration:none!important;font-weight:800;font-size:13px}
.fen-dash-section{background:#fff;border:1px solid #e6edf5;border-radius:17px;padding:18px;margin-bottom:16px;box-shadow:0 5px 18px rgba(20,40,70,.04)}.fen-dash-section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.fen-dash-section h3{margin:0;color:#1e293b;font-size:18px}.fen-dash-section-head p{margin:3px 0 0;color:#7c8a9f;font-size:12px}.fen-dash-recommendations{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.fen-dash-recommendations article{border:1px solid #e7edf5;border-radius:14px;padding:15px}.fen-dash-recommendations strong{display:block;margin-top:10px}.fen-dash-recommendations p{min-height:36px;margin:5px 0 12px;color:#758297;font-size:12px;line-height:1.45}.fen-dash-recommendations button{border:0;background:#0d6be8;color:#fff;border-radius:8px;padding:8px 13px;font-weight:800;cursor:pointer}.rec-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;font-weight:900}.rec-icon.blue{background:#e9f2ff;color:#176fe3}.rec-icon.green{background:#e6f9ee;color:#22a35a}.rec-icon.orange{background:#fff2e3;color:#f08722}
.fen-dashboard .fen-student-table article{background:#fbfcfe}.fen-dashboard .fen-student-empty{padding:18px;border:1px dashed #d7e0eb;border-radius:12px;text-align:center;background:#fbfdff}.fen-dashboard .fen-student-note{padding:0 4px}.fen-dashboard .fen-student-tabs{display:none}
@media(max-width:980px){.fen-student-panel.fen-dashboard{grid-template-columns:82px minmax(0,1fr)}.fen-dash-brand div,.fen-dash-sidebar nav button:not(.is-active){font-size:0}.fen-dash-sidebar nav button{grid-template-columns:1fr;padding:12px}.fen-dash-sidebar nav button span{font-size:19px}.fen-dash-sidebar nav button b{display:none}.fen-dash-side-card{display:none}.fen-dash-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.fen-student-panel.fen-dashboard{display:block;border-radius:16px}.fen-dash-sidebar{min-height:auto;border-right:0;border-bottom:1px solid #e8eef5;padding:12px}.fen-dash-brand{padding:4px 6px 10px}.fen-dash-brand div{display:block}.fen-dash-sidebar nav{display:flex;overflow-x:auto}.fen-dash-sidebar nav button,.fen-dash-sidebar nav button:not(.is-active){font-size:12px;display:flex;gap:6px;min-width:max-content}.fen-dash-sidebar nav button b{display:grid}.fen-dash-main{padding:18px 14px}.fen-dash-topbar small{display:none}.fen-dash-stats{grid-template-columns:1fr 1fr;gap:9px}.fen-dash-stats article{padding:12px}.fen-dash-stats article>span{display:none}.fen-dash-recommendations{grid-template-columns:1fr}.fen-dash-continue{align-items:flex-start;gap:12px}.fen-dash-continue a{white-space:nowrap}} .fen-dashboard-140 .fen-dash-sidebar{min-height:820px}.fen-dash-logout{margin-top:12px;padding:11px 12px;border-radius:10px;color:#64748b!important;text-decoration:none!important;font-weight:800}.fen-dash-logout:hover{background:#fff1f2;color:#be123c!important}
.fen-dash-last-work{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:18px;align-items:center;padding:16px 18px;margin-bottom:18px;border:1px solid #cfe2ff;border-radius:15px;background:linear-gradient(90deg,#edf5ff,#fbfdff)}.fen-last-main small{display:block;color:#2563eb;font-size:10px;font-weight:900;letter-spacing:.08em}.fen-last-main strong{display:block;margin:4px 0;color:#172033}.fen-last-main span{color:#718096;font-size:12px}.fen-last-metrics{display:flex;gap:7px}.fen-last-metrics b{min-width:39px;padding:7px 8px;text-align:center;background:#fff;border:1px solid #dbe7f6;border-radius:9px;font-size:12px}.fen-dash-last-work>a{padding:10px 14px;border-radius:9px;background:#0d6be8;color:#fff!important;text-decoration:none!important;font-weight:800;font-size:13px;white-space:nowrap}
.fen-dash-overview-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.75fr);gap:16px}.fen-smart-list{display:grid;gap:10px}.fen-smart-list article{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;border:1px solid #e7edf5;border-radius:13px;padding:12px}.fen-smart-list strong{display:block}.fen-smart-list p{margin:3px 0 0;color:#758297;font-size:12px}.fen-smart-list button,.fen-smart-list a{border:0;background:#0d6be8;color:#fff!important;text-decoration:none!important;border-radius:8px;padding:8px 11px;font-weight:800;font-size:12px;cursor:pointer}
.fen-week-chart{height:190px;display:grid;grid-template-columns:repeat(7,1fr);align-items:end;gap:9px;padding-top:12px}.fen-week-chart>div{height:100%;display:grid;grid-template-rows:1fr auto auto;align-items:end;text-align:center;gap:5px}.fen-week-chart span{display:block;width:70%;max-width:30px;margin:auto;background:linear-gradient(180deg,#3988f7,#0d6be8);border-radius:7px 7px 3px 3px;min-height:8px}.fen-week-chart b{font-size:11px;color:#334155}.fen-week-chart small{font-size:10px;color:#7c8a9f;text-transform:capitalize}
.fen-report-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}.fen-report-grid article{padding:18px;border:1px solid #e5edf6;border-radius:13px;background:#fbfdff}.fen-report-grid small{display:block;color:#718096}.fen-report-grid strong{display:block;margin-top:6px;font-size:26px;color:#0f172a}.fen-report-note{margin-top:15px;padding:13px;border-radius:10px;background:#eff6ff;color:#475569;font-size:13px}
.fen-badge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.fen-badge-grid article{display:flex;align-items:center;gap:11px;padding:16px;border:1px solid #f3df99;background:#fffdf4;border-radius:13px}.fen-badge-grid article span{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#fff3bf;color:#e0a800;font-size:20px}
.fen-settings-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.fen-settings-list>div{padding:15px;border:1px solid #e5edf6;border-radius:12px;background:#fbfdff}.fen-settings-list small{display:block;color:#718096}.fen-settings-list strong{display:block;margin-top:4px}.fen-settings-logout{display:inline-block;padding:10px 14px;border-radius:9px;background:#be123c;color:#fff!important;text-decoration:none!important;font-weight:800}
@media(max-width:1050px){.fen-dash-overview-grid{grid-template-columns:1fr}.fen-report-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.fen-dash-last-work{grid-template-columns:1fr}.fen-last-metrics{flex-wrap:wrap}.fen-dash-last-work>a{justify-self:start}.fen-smart-list article{grid-template-columns:40px 1fr}.fen-smart-list article>a,.fen-smart-list article>button{grid-column:2}.fen-report-grid,.fen-settings-list,.fen-badge-grid{grid-template-columns:1fr}.fen-week-chart{height:150px}} .fen-dashboard .fen-dash-sidebar nav a{display:flex;align-items:center;gap:12px;width:100%;box-sizing:border-box;border:0;background:transparent;padding:14px 16px;border-radius:14px;font-weight:800;color:#52627a;text-decoration:none!important;cursor:pointer;transition:.18s ease}
.fen-dashboard .fen-dash-sidebar nav a:hover{background:#eff6ff;color:#1265df}
.fen-dashboard .fen-dash-sidebar nav a.is-active{background:#176fe8;color:#fff!important;box-shadow:0 8px 18px rgba(23,111,232,.18)}
.fen-dashboard .fen-dash-sidebar nav a span{width:22px;text-align:center}
.fen-dashboard .fen-dash-sidebar nav a b{margin-left:auto;display:grid;place-items:center;min-width:27px;height:27px;padding:0 5px;border-radius:999px;background:#edf2f8;color:#607087;font-size:12px}
.fen-dashboard .fen-dash-sidebar nav a.is-active b{background:rgba(255,255,255,.2);color:#fff}
.fen-smart-list a[data-student-tab]{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;background:#176fe8;color:#fff!important;text-decoration:none!important;font-weight:800}
.fen-settings-student-code{grid-column:span 1}.fen-settings-code-row{display:flex;align-items:center;gap:10px;margin-top:4px;flex-wrap:wrap}.fen-settings-code-row strong{margin-top:0;font-size:20px;letter-spacing:.5px;color:#0f172a}.fen-settings-copy-code{border:0;border-radius:8px;background:#1268e8;color:#fff;padding:8px 13px;font-weight:800;cursor:pointer}.fen-settings-copy-code:hover{background:#0b56c7}.fen-settings-student-code>span{display:block;margin-top:8px;color:#718096;font-size:13px}.fen-settings-copy-status{display:block;min-height:18px;margin-top:5px;color:#15803d;font-size:12px;font-style:normal;font-weight:700}
.fen-quiz-context{position:relative;margin:0 0 22px;padding:22px 24px;border:1px solid #b9d7f0;border-left:5px solid #0d73d6;border-radius:16px;background:#f1f8ff;color:#18283a;line-height:1.65;transition:.2s ease}
.fen-quiz-context[hidden]{display:none!important}.fen-quiz-context-kicker{margin-bottom:8px;color:#0d67bd;font-size:12px;font-weight:800;letter-spacing:.12em}.fen-quiz-context h3{margin:0 0 12px;font-size:22px;color:#10243c}
.fen-quiz-context [data-role="quiz-context-before"],.fen-quiz-context [data-role="quiz-context-after"]{white-space:pre-line;font-size:16px}.fen-quiz-context-image{margin:16px 0;text-align:center}.fen-quiz-context-image img{display:block;max-width:100%;max-height:520px;margin:auto;border-radius:12px;object-fit:contain}
.fen-context-toggle{display:inline-flex;margin-top:14px;padding:8px 12px!important;border:1px solid #a9cce9!important;border-radius:8px!important;background:#fff!important;color:#0d67bd!important;font-size:13px!important;font-weight:700!important}
.fen-quiz-context.is-collapsed{padding:14px 18px}.fen-quiz-context.is-collapsed h3,.fen-quiz-context.is-collapsed [data-role="quiz-context-before"],.fen-quiz-context.is-collapsed [data-role="quiz-context-image"],.fen-quiz-context.is-collapsed [data-role="quiz-context-after"]{display:none!important}.fen-quiz-context.is-collapsed .fen-context-toggle{margin-top:0}
@media(max-width:700px){.fen-quiz-context{padding:17px 16px}.fen-quiz-context h3{font-size:19px}.fen-quiz-context [data-role="quiz-context-before"],.fen-quiz-context [data-role="quiz-context-after"]{font-size:15px}} .fen-quiz-context-image[hidden]{display:none!important}
.fen-quiz-context-image{min-height:0;overflow:hidden}
.fen-quiz-context-image img{width:auto;height:auto;max-width:100%!important;max-height:min(34dvh,380px)!important;object-fit:contain!important}
.fen-context-image-error{display:block;padding:12px;border:1px dashed #ef4444;border-radius:9px;background:#fff1f2;color:#b91c1c;font-size:13px;text-align:center}
.fen-quiz-standalone .fen-quiz-main{padding-top:16px!important;padding-bottom:16px!important}
.fen-quiz-standalone .fen-quiz-context{margin-bottom:14px;padding:15px 18px}
.fen-quiz-standalone .fen-quiz-context-kicker{margin-bottom:4px}
.fen-quiz-standalone .fen-quiz-context h3{margin-bottom:7px;font-size:18px}
.fen-quiz-standalone .fen-quiz-context [data-role="quiz-context-before"],
.fen-quiz-standalone .fen-quiz-context [data-role="quiz-context-after"]{font-size:14px;line-height:1.45}
.fen-quiz-standalone .fen-quiz-context-image{margin:9px 0}
.fen-quiz-standalone .fen-context-toggle{margin-top:8px;padding:6px 10px!important}
@media(max-height:900px) and (min-width:701px){
.fen-quiz-standalone .fen-quiz-header-standalone{padding:10px 20px}
.fen-quiz-standalone .fen-quiz-nav{top:62px;padding:8px 20px}
.fen-quiz-standalone .fen-quiz-main{padding:12px clamp(18px,4vw,54px)!important}
.fen-quiz-standalone .fen-quiz-context{padding:11px 15px;margin-bottom:10px}
.fen-quiz-standalone .fen-quiz-context h3{font-size:16px;margin-bottom:4px}
.fen-quiz-standalone .fen-quiz-context [data-role="quiz-context-before"],
.fen-quiz-standalone .fen-quiz-context [data-role="quiz-context-after"]{font-size:13px;line-height:1.35}
.fen-quiz-standalone .fen-quiz-context-image{margin:6px 0}
.fen-quiz-standalone .fen-quiz-context-image img{max-height:min(25dvh,250px)!important}
.fen-quiz-standalone .fen-context-toggle{margin-top:5px;padding:5px 9px!important;font-size:12px!important}
.fen-quiz-standalone .fen-quiz-main h3{margin:8px 0 10px!important}
.fen-quiz-standalone .fen-quiz-options{gap:10px}
.fen-quiz-standalone .fen-quiz-options button{min-height:70px!important;padding:10px 13px!important}
.fen-quiz-standalone .fen-quiz-footer{padding:8px 18px}
}
@media(max-width:700px){
.fen-quiz-context-image img{max-height:min(28dvh,280px)!important}
.fen-quiz-standalone .fen-quiz-context{padding:12px 13px}
} .fen-reading-progress{position:relative;height:8px;background:#e7eef8;border-bottom:1px solid var(--fen-border);overflow:visible}
.fen-reading-progress>span{display:block;width:0;height:100%;background:linear-gradient(90deg,#2563eb,#06b6d4);transition:width .25s ease}
.fen-reading-progress small{position:absolute;right:12px;top:10px;z-index:4;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.92);box-shadow:0 4px 14px rgba(15,23,42,.12);font-size:11px;font-weight:800;color:#334155}
.fen-bookmark-button.is-active{background:#fef3c7!important;color:#b45309!important;border-color:#f59e0b!important}
.fen-smart-panel{position:absolute;top:70px;right:16px;z-index:45;width:min(370px,calc(100% - 32px));max-height:calc(100% - 95px);overflow:auto;padding:16px;border:1px solid var(--fen-border);border-radius:18px;background:rgba(255,255,255,.98);box-shadow:0 22px 60px rgba(15,23,42,.24);backdrop-filter:blur(12px)}
.fen-smart-panel[hidden]{display:none!important}.fen-smart-panel header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.fen-smart-panel header strong{font-size:18px}.fen-smart-panel header button{border:0;background:#eef2f7;border-radius:10px;width:34px;height:34px;font-size:22px;cursor:pointer}
.fen-bookmark-list{display:grid;gap:9px}.fen-bookmark-list article{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:stretch}.fen-bookmark-list article>button:first-child{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid #dbe5f0;border-radius:12px;background:#f8fafc;text-align:left;cursor:pointer}.fen-bookmark-list article>button:first-child span{font-size:12px;color:#64748b}.fen-bookmark-list article>button:last-child{width:40px;border:1px solid #fecaca;border-radius:12px;background:#fff1f2;color:#be123c;font-size:20px;cursor:pointer}.fen-smart-empty{margin:12px 0;color:#64748b;text-align:center}
.fen-notes-panel p{margin:0 0 10px;color:#64748b}.fen-notes-panel textarea{width:100%;min-height:170px;resize:vertical;padding:12px;border:1px solid #cbd5e1;border-radius:12px;font:inherit;box-sizing:border-box}.fen-notes-panel>div{display:flex;gap:9px;margin-top:10px}.fen-notes-panel button{padding:10px 14px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font-weight:800;cursor:pointer}.fen-notes-panel .fen-smart-primary{background:#2563eb;color:#fff;border-color:#2563eb}
.fen-pdf-reader.is-dark .fen-reading-progress{background:#1e293b}.fen-pdf-reader.is-dark .fen-reading-progress small,.fen-pdf-reader.is-dark .fen-smart-panel{background:rgba(15,23,42,.97);color:#e2e8f0}.fen-pdf-reader.is-dark .fen-bookmark-list article>button:first-child,.fen-pdf-reader.is-dark .fen-notes-panel textarea{background:#111827;color:#e5e7eb;border-color:#334155}
@media(max-width:700px){.fen-smart-panel{top:112px;right:8px;width:calc(100% - 16px);max-height:calc(100% - 130px);border-radius:14px}.fen-reading-progress small{display:none}} .fen-pdf-content-module{display:grid;gap:14px}
.fen-pdf-test-lock,.fen-pdf-linked-test-info{max-width:1100px;width:calc(100% - 24px);box-sizing:border-box;margin:0 auto;padding:14px 18px;border:1px solid #bfdbfe;border-radius:14px;background:#eff6ff;color:#17365d;font-weight:700}
.fen-pdf-linked-test-info{display:flex;gap:10px;align-items:center;justify-content:space-between;background:#fff}
.fen-pdf-linked-test-info span{font-weight:500;color:#52657a}
@media(max-width:700px){.fen-pdf-linked-test-info{align-items:flex-start;flex-direction:column}} @media(min-width:901px){
.fen-quiz-standalone.quiz-open{--fen-reader-height:96dvh;}
.fen-quiz-standalone.quiz-open .fen-reader-content, .fen-quiz-standalone.quiz-open .fen-quiz-panel{height:var(--fen-reader-height, 96dvh);min-height:720px;overflow:hidden;}
.fen-quiz-standalone.quiz-open .fen-quiz-shell{width:min(1240px, 100%);max-width:1240px;height:100%;min-height:0;display:flex;flex-direction:column;}
.fen-quiz-standalone.quiz-open .fen-quiz-header{position:relative;flex:0 0 auto;min-height:0;padding:12px 32px 10px;grid-template-columns:1fr;gap:4px;}
.fen-quiz-standalone.quiz-open .fen-quiz-heading{text-align:left;}
.fen-quiz-standalone.quiz-open .fen-quiz-kicker{margin-bottom:3px;font-size:10px;}
.fen-quiz-standalone.quiz-open .fen-quiz-heading strong{font-size:clamp(20px, 2vw, 28px);line-height:1.2;}
.fen-quiz-standalone.quiz-open .fen-quiz-header-stats{display:flex;gap:18px;margin-top:5px;}
.fen-quiz-standalone.quiz-open .fen-quiz-progress-track{margin-top:7px;}
.fen-quiz-standalone.quiz-open .fen-quiz-nav{position:relative;top:auto;flex:0 0 auto;min-height:0;padding:8px 32px;}
.fen-quiz-standalone.quiz-open .fen-quiz-nav button{flex-basis:38px;height:38px;}
.fen-quiz-standalone.quiz-open .fen-quiz-main{flex:1 1 auto;min-height:0;max-width:1120px;padding:18px 28px 24px;overflow-y:auto;scrollbar-gutter:stable;}
.fen-quiz-standalone.quiz-open .fen-quiz-meta{margin-bottom:10px;}
.fen-quiz-standalone.quiz-open .fen-quiz-main > h3{margin-bottom:12px;font-size:clamp(17px, 1.45vw, 22px);line-height:1.45;}
.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap{margin:0 auto 12px;}
.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap .fen-quiz-image, .fen-quiz-standalone.quiz-open .fen-quiz-image{width:auto;max-width:min(100%, 960px);max-height:300px;object-fit:contain;}
.fen-quiz-standalone.quiz-open .fen-quiz-question-after{font-size:16px;line-height:1.5;margin-bottom:12px;}
.fen-quiz-standalone.quiz-open .fen-quiz-options{gap:10px 12px;}
.fen-quiz-standalone.quiz-open .fen-quiz-options button{min-height:64px;padding:10px 14px;border-radius:13px;font-size:15px;}
.fen-quiz-standalone.quiz-open .fen-quiz-options button > span{flex-basis:32px;height:32px;}
.fen-quiz-standalone.quiz-open .fen-quiz-option-image{max-height:130px;}
.fen-quiz-standalone.quiz-open .fen-quiz-footer{position:sticky;bottom:0;z-index:20;flex:0 0 auto;padding:9px 32px;box-shadow:0 -8px 20px rgba(15, 35, 55, .06);}
.fen-quiz-standalone.quiz-open .fen-quiz-footer button{padding:9px 16px;}
}
@media (max-height: 820px) and (min-width: 901px) {
.fen-quiz-standalone.quiz-open .fen-quiz-header{padding-top:8px;padding-bottom:7px;}
.fen-quiz-standalone.quiz-open .fen-quiz-nav{padding-top:6px;padding-bottom:6px;}
.fen-quiz-standalone.quiz-open .fen-quiz-main{padding-top:12px;padding-bottom:16px;}
.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap .fen-quiz-image, .fen-quiz-standalone.quiz-open .fen-quiz-image{max-height:250px;}
} @media(min-width:901px){
.fen-pdf-reader.fen-quiz-standalone.quiz-open{--fen-reader-height:96dvh !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-reader-content, .fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-panel{height:var(--fen-reader-height, 96dvh) !important;min-height:620px !important;overflow:hidden !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-shell{height:100% !important;min-height:0 !important;display:flex !important;flex-direction:column !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-header-standalone{position:relative !important;top:auto !important;flex:0 0 auto !important;padding:9px 28px 8px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-heading strong{font-size:clamp(20px, 1.8vw, 28px) !important;line-height:1.15 !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-kicker{margin-bottom:2px !important;font-size:10px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-header-stats{gap:12px !important;margin-top:3px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-progress-track{display:none !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-nav{position:relative !important;top:auto !important;flex:0 0 auto !important;padding:6px 28px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-nav button{flex-basis:36px !important;width:36px !important;height:36px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-main{flex:1 1 auto !important;min-height:0 !important;width:100% !important;max-width:1220px !important;padding:12px 24px 18px !important;overflow-y:auto !important;overscroll-behavior:contain !important;scrollbar-gutter:stable !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-meta{margin-bottom:7px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-main > h3{margin:8px 0 9px !important;font-size:16px !important;line-height:1.42 !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap{margin:4px auto 10px !important;max-width:100% !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-standalone.quiz-open img.fen-quiz-image{display:block !important;width:auto !important;height:auto !important;max-width:min(100%, 900px) !important;max-height:min(280px, 34vh) !important;margin:0 auto !important;object-fit:contain !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-question-after{margin:7px 0 10px !important;font-size:15px !important;line-height:1.42 !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-options{gap:8px 10px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-options button{min-height:58px !important;padding:9px 12px !important;font-size:14px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-footer{position:relative !important;bottom:auto !important;flex:0 0 auto !important;padding:8px 28px !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-footer button{padding:8px 15px !important;}
}
@media (min-width: 901px) and (max-height: 820px) {
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-standalone.quiz-open img.fen-quiz-image{max-height:min(220px, 29vh) !important;}
.fen-pdf-reader.fen-quiz-standalone.quiz-open .fen-quiz-main{padding-top:8px !important;}
} .fen-quiz-modern-v240{--fen-test-accent:#0e7490;--fen-test-dark:#10243c;--fen-test-line:#dbe7f0;--fen-test-soft:#f7fbfe}
@media(min-width:901px){
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open{--fen-reader-height:96dvh!important;width:min(1540px,calc(100vw - 28px))!important;max-width:1540px!important;margin:8px auto!important;border-radius:20px!important;overflow:hidden!important;box-shadow:0 18px 55px rgba(15,35,55,.12)!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-reader-content, .fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-panel{height:var(--fen-reader-height,96dvh)!important;min-height:640px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-shell{width:100%!important;max-width:none!important;height:100%!important;display:grid!important;grid-template-rows:auto auto minmax(0,1fr) auto!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-standalone{display:block!important;padding:10px 34px 9px!important;border-bottom:1px solid var(--fen-test-line)!important;background:linear-gradient(135deg,#fff 0%,#f7fbff 100%)!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-heading{display:grid!important;grid-template-columns:minmax(0,1fr) auto!important;grid-template-areas:"kicker stats" "title stats"!important;align-items:center!important;column-gap:24px!important;text-align:left!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-kicker{grid-area:kicker!important;margin:0 0 2px!important;font-size:10px!important;letter-spacing:.15em!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-heading>strong{grid-area:title!important;font-size:clamp(22px,2vw,32px)!important;line-height:1.12!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-stats{grid-area:stats!important;display:flex!important;align-items:center!important;gap:9px!important;margin:0!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-stats small{display:inline-flex!important;align-items:center!important;min-height:34px!important;padding:6px 11px!important;border:1px solid #d7e5ee!important;border-radius:999px!important;background:#fff!important;color:#4d6477!important;font-size:13px!important;font-weight:800!important;white-space:nowrap!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-progress-track{display:none!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-nav{display:flex!important;align-items:center!important;gap:8px!important;min-height:50px!important;padding:6px 34px!important;overflow-x:auto!important;border-bottom:1px solid var(--fen-test-line)!important;background:#fff!important;scrollbar-width:thin!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-nav button{flex:0 0 36px!important;width:36px!important;height:36px!important;min-width:36px!important;padding:0!important;font-size:14px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-main{width:min(1280px,100%)!important;max-width:1280px!important;min-height:0!important;margin:0 auto!important;padding:14px 32px 22px!important;overflow-y:auto!important;overscroll-behavior:contain!important;scrollbar-gutter:stable!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-meta{position:relative!important;display:flex!important;align-items:center!important;justify-content:space-between!important;min-height:34px!important;margin:0 0 5px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-meta button{padding:6px 10px!important;font-size:12px!important;line-height:1.1!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-main>h3{margin:5px 0 9px!important;font-size:clamp(16px,1.2vw,19px)!important;line-height:1.42!important;font-weight:500!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-image-wrap{display:flex!important;justify-content:center!important;align-items:center!important;width:100%!important;margin:3px auto 9px!important;padding:0!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v240.quiz-open img.fen-quiz-image{display:block!important;width:auto!important;height:auto!important;max-width:min(100%,860px)!important;max-height:min(31dvh,270px)!important;margin:0 auto!important;object-fit:contain!important;border-radius:12px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-question-after{margin:7px 0 10px!important;font-size:15px!important;line-height:1.42!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-options{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:9px 11px!important;margin-top:8px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-options button{min-height:54px!important;padding:9px 12px!important;border-radius:12px!important;font-size:14px!important;line-height:1.32!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-options button>span{flex:0 0 30px!important;width:30px!important;height:30px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-option-image{max-height:110px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-feedback{margin-top:10px!important;padding:10px 13px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer{position:relative!important;display:grid!important;grid-template-columns:1fr auto 1fr!important;align-items:center!important;padding:8px 34px!important;border-top:1px solid var(--fen-test-line)!important;background:rgba(255,255,255,.98)!important;box-shadow:0 -8px 24px rgba(15,35,55,.06)!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer button{min-height:38px!important;padding:8px 15px!important;font-size:13px!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer button:first-child{justify-self:start!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer .fen-finish-button{justify-self:center!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer button:last-child{justify-self:end!important}
}
@media (min-width:901px) and (max-height:780px){
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open{--fen-reader-height:98dvh!important;margin:2px auto!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-standalone{padding-top:7px!important;padding-bottom:6px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-heading>strong{font-size:22px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-stats small{min-height:30px!important;padding:4px 9px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-nav{min-height:44px!important;padding-top:4px!important;padding-bottom:4px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-main{padding-top:9px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v240.quiz-open img.fen-quiz-image{max-height:min(26dvh,220px)!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer{padding-top:6px!important;padding-bottom:6px!important}
}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-standalone{padding:12px 16px 10px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-heading>strong{font-size:22px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-header-stats{display:flex!important;gap:8px!important;margin-top:7px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-nav{padding:7px 14px!important;overflow-x:auto!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-nav button{flex:0 0 36px!important;width:36px!important;height:36px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-main{padding:13px 16px 82px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-meta button{padding:6px 9px!important;font-size:12px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-main>h3{font-size:16px!important;line-height:1.42!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v240.quiz-open img.fen-quiz-image{max-height:min(35dvh,280px)!important;max-width:100%!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-options{grid-template-columns:1fr!important;gap:8px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-options button{min-height:54px!important;padding:9px 11px!important;font-size:14px!important}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer{position:sticky!important;bottom:0!important;z-index:50!important;padding:8px 12px!important;background:#fff!important;box-shadow:0 -8px 20px rgba(15,35,55,.09)!important;}
.fen-pdf-reader.fen-quiz-modern-v240.quiz-open .fen-quiz-footer button{padding:8px 10px!important;font-size:12px!important}
} .fen-quiz-modern-v241,
.fen-quiz-modern-v241 *{box-sizing:border-box!important}
.fen-quiz-modern-v241{--fen-test-accent:#0b7f99;--fen-test-dark:#12253b;--fen-test-line:#d9e6ee;--fen-test-soft:#f7fbfd}
@media(min-width:901px){
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open{width:calc(100vw - 24px)!important;max-width:1600px!important;height:calc(100dvh - 16px)!important;min-height:620px!important;margin:8px auto!important;overflow:hidden!important;border:1px solid var(--fen-test-line)!important;border-radius:14px!important;background:#fff!important;box-shadow:0 12px 36px rgba(15,35,55,.10)!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-reader-content, .fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-panel, .fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-shell{width:100%!important;max-width:100%!important;height:100%!important;min-width:0!important;overflow:hidden!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-shell{display:grid!important;grid-template-rows:auto auto minmax(0,1fr) auto!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-standalone{position:relative!important;top:auto!important;z-index:4!important;padding:13px 34px!important;border-bottom:1px solid var(--fen-test-line)!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-heading{display:grid!important;grid-template-columns:auto minmax(260px,1fr) auto auto!important;grid-template-areas:"kicker title stats mark"!important;align-items:center!important;gap:16px!important;min-width:0!important;text-align:left!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-kicker{grid-area:kicker!important;margin:0!important;padding-right:16px!important;border-right:1px solid #d5e2ea!important;color:var(--fen-test-accent)!important;font-size:12px!important;font-weight:900!important;letter-spacing:.08em!important;white-space:nowrap!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-heading>strong{grid-area:title!important;min-width:0!important;overflow:hidden!important;color:var(--fen-test-dark)!important;font-size:clamp(20px,1.65vw,28px)!important;line-height:1.15!important;text-overflow:ellipsis!important;white-space:nowrap!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-stats{grid-area:stats!important;display:flex!important;align-items:center!important;gap:14px!important;margin:0!important;white-space:nowrap!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-stats small{min-height:0!important;padding:0 14px!important;border:0!important;border-left:1px solid #d5e2ea!important;border-radius:0!important;background:transparent!important;color:#17263a!important;font-size:14px!important;font-weight:850!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-timer{font-size:17px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-mark{grid-area:mark!important;min-height:36px!important;padding:7px 12px!important;border:0!important;border-radius:9px!important;background:transparent!important;color:#24364a!important;font-size:13px!important;font-weight:850!important;white-space:nowrap!important;cursor:pointer!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-mark:hover{background:#f3f8fb!important;color:var(--fen-test-accent)!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-progress-track{display:none!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-nav{position:relative!important;top:auto!important;z-index:3!important;display:flex!important;align-items:center!important;gap:12px!important;width:100%!important;min-width:0!important;min-height:66px!important;padding:10px 34px!important;overflow-x:auto!important;overflow-y:hidden!important;border-bottom:1px solid var(--fen-test-line)!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-nav button{flex:0 0 42px!important;width:42px!important;min-width:42px!important;height:42px!important;padding:0!important;font-size:15px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main{width:100%!important;max-width:100%!important;min-width:0!important;min-height:0!important;margin:0!important;padding:20px clamp(34px,4vw,68px) 24px!important;overflow-x:hidden!important;overflow-y:auto!important;overscroll-behavior:contain!important;scrollbar-gutter:stable!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main>*{width:min(100%,1320px)!important;max-width:1320px!important;margin-left:auto!important;margin-right:auto!important;min-width:0!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-meta{display:flex!important;min-height:24px!important;margin-bottom:10px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main>h3{margin-top:0!important;margin-bottom:12px!important;color:#202c39!important;font-size:clamp(16px,1.25vw,20px)!important;font-weight:500!important;line-height:1.45!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-image-wrap{display:flex!important;align-items:center!important;justify-content:center!important;margin-top:4px!important;margin-bottom:14px!important;overflow:hidden!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v241.quiz-open img.fen-quiz-image{display:block!important;width:auto!important;max-width:100%!important;height:auto!important;max-height:min(46dvh,430px)!important;margin:0 auto!important;object-fit:contain!important;border-radius:12px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-question-after{margin-top:8px!important;margin-bottom:12px!important;font-size:15px!important;line-height:1.5!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-options{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px 14px!important;width:min(100%,1320px)!important;margin-top:10px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-options button{width:100%!important;min-width:0!important;min-height:58px!important;padding:10px 15px!important;overflow:hidden!important;border-radius:12px!important;font-size:15px!important;line-height:1.35!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-options button>span{flex:0 0 32px!important;width:32px!important;height:32px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-option-content{min-width:0!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-option-image{max-width:100%!important;max-height:120px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer{position:relative!important;z-index:5!important;display:grid!important;grid-template-columns:1fr auto 1fr!important;align-items:center!important;width:100%!important;min-width:0!important;padding:10px 34px!important;border-top:1px solid var(--fen-test-line)!important;background:#fff!important;box-shadow:0 -6px 18px rgba(15,35,55,.045)!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer button{min-height:42px!important;padding:9px 18px!important;font-size:13px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer button:first-child{justify-self:start!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer .fen-finish-button{justify-self:center!important;min-width:150px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer button:last-child{justify-self:end!important}
}
@media (min-width:901px) and (max-height:760px){
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-standalone{padding-top:9px!important;padding-bottom:9px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-nav{min-height:54px!important;padding-top:6px!important;padding-bottom:6px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-nav button{width:36px!important;min-width:36px!important;height:36px!important;flex-basis:36px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main{padding-top:12px!important;padding-bottom:14px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v241.quiz-open img.fen-quiz-image{max-height:min(39dvh,320px)!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer{padding-top:7px!important;padding-bottom:7px!important}
}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open{width:100%!important;max-width:100%!important;overflow-x:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-heading{display:grid!important;grid-template-columns:1fr auto!important;grid-template-areas:"kicker mark" "title title" "stats stats"!important;gap:7px 10px!important;}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-kicker{grid-area:kicker!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-heading>strong{grid-area:title!important;font-size:21px!important;white-space:normal!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-stats{grid-area:stats!important;display:flex!important;gap:8px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-header-mark{grid-area:mark!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main{width:100%!important;max-width:100%!important;padding:14px 15px 82px!important;overflow-x:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-main>*{width:100%!important;max-width:100%!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v241.quiz-open img.fen-quiz-image{max-width:100%!important;max-height:min(36dvh,300px)!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-options{grid-template-columns:1fr!important;gap:8px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer{position:sticky!important;bottom:0!important;padding:8px 10px!important}
.fen-pdf-reader.fen-quiz-modern-v241.quiz-open .fen-quiz-footer .fen-finish-button{min-width:0!important}
} .fen-quiz-modern-v242,
.fen-quiz-modern-v242 *{box-sizing:border-box!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open{--fen-test-accent:#0b7f99;--fen-test-dark:#12253b;--fen-test-line:#d9e6ee;width:100%!important;max-width:100%!important;min-width:0!important;margin:0 auto!important;overflow:hidden!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-reader-content, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-panel, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-shell{width:100%!important;max-width:100%!important;min-width:0!important;margin:0!important;overflow:hidden!important;}
@media(min-width:901px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open{height:min(94dvh,920px)!important;min-height:640px!important;border:1px solid var(--fen-test-line)!important;border-radius:14px!important;box-shadow:0 10px 30px rgba(15,35,55,.08)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-shell{height:100%!important;display:grid!important;grid-template-rows:auto auto minmax(0,1fr) auto!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-standalone{padding:12px 28px!important;background:#fff!important;border-bottom:1px solid var(--fen-test-line)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-heading{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto auto!important;grid-template-areas:"kicker title stats mark"!important;align-items:center!important;gap:14px!important;width:100%!important;min-width:0!important;text-align:left!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-kicker{grid-area:kicker!important;margin:0!important;font-size:12px!important;white-space:nowrap!important;color:var(--fen-test-accent)!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-heading>strong{grid-area:title!important;min-width:0!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important;font-size:clamp(20px,1.7vw,28px)!important;line-height:1.15!important;color:var(--fen-test-dark)!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-stats{grid-area:stats!important;display:flex!important;align-items:center!important;gap:12px!important;margin:0!important;white-space:nowrap!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-stats small{padding:0 10px!important;border:0!important;background:transparent!important;font-size:14px!important;font-weight:800!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-mark{grid-area:mark!important;min-height:34px!important;padding:6px 10px!important;border:0!important;background:transparent!important;font-size:13px!important;white-space:nowrap!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-progress-track{display:none!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-nav{display:flex!important;align-items:center!important;gap:10px!important;width:100%!important;min-width:0!important;min-height:58px!important;padding:8px 28px!important;overflow-x:auto!important;overflow-y:hidden!important;background:#fff!important;border-bottom:1px solid var(--fen-test-line)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-nav button{flex:0 0 40px!important;width:40px!important;min-width:40px!important;height:40px!important;padding:0!important;font-size:15px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{width:100%!important;max-width:100%!important;min-width:0!important;min-height:0!important;margin:0!important;padding:16px 28px 20px!important;overflow-x:hidden!important;overflow-y:auto!important;scrollbar-gutter:stable!important;background:#fff!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main>*{width:100%!important;max-width:1180px!important;min-width:0!important;margin-left:auto!important;margin-right:auto!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-meta{margin-bottom:8px!important;min-height:22px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main>h3{margin:0 auto 10px!important;font-size:clamp(17px,1.25vw,20px)!important;line-height:1.42!important;font-weight:500!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap{display:flex!important;justify-content:center!important;align-items:center!important;width:100%!important;margin:2px auto 12px!important;overflow:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{display:block!important;width:auto!important;max-width:100%!important;height:auto!important;max-height:min(38dvh,340px)!important;margin:0 auto!important;object-fit:contain!important;border-radius:10px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-question-after{margin:6px auto 10px!important;font-size:15px!important;line-height:1.45!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px 14px!important;width:100%!important;max-width:1180px!important;margin:8px auto 0!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options button{width:100%!important;min-width:0!important;min-height:56px!important;padding:9px 14px!important;font-size:15px!important;line-height:1.3!important;border-radius:12px!important;overflow:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options button>span{flex:0 0 32px!important;width:32px!important;height:32px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-option-content{min-width:0!important;overflow-wrap:anywhere!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{position:relative!important;display:grid!important;grid-template-columns:1fr auto 1fr!important;align-items:center!important;width:100%!important;min-width:0!important;padding:9px 28px!important;background:#fff!important;border-top:1px solid var(--fen-test-line)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button{min-height:40px!important;padding:8px 16px!important;font-size:13px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button:first-child{justify-self:start!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer .fen-finish-button{justify-self:center!important;min-width:150px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button:last-child{justify-self:end!important}
}
@media (min-width:901px) and (max-height:760px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open{height:calc(100dvh - 12px)!important;min-height:560px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-standalone{padding-top:8px!important;padding-bottom:8px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-nav{min-height:50px!important;padding-top:5px!important;padding-bottom:5px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-nav button{width:36px!important;min-width:36px!important;height:36px!important;flex-basis:36px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{padding-top:10px!important;padding-bottom:12px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{max-height:min(32dvh,250px)!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{padding-top:6px!important;padding-bottom:6px!important}
}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open{width:100%!important;max-width:100%!important;overflow-x:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-heading{display:grid!important;grid-template-columns:1fr auto!important;grid-template-areas:"kicker mark" "title title" "stats stats"!important;gap:6px 10px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-kicker{grid-area:kicker!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-heading>strong{grid-area:title!important;font-size:21px!important;white-space:normal!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-stats{grid-area:stats!important;display:flex!important;gap:8px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-mark{grid-area:mark!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{width:100%!important;max-width:100%!important;padding:12px 14px 78px!important;overflow-x:hidden!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main>*{width:100%!important;max-width:100%!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{max-width:100%!important;max-height:280px!important}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options{grid-template-columns:1fr!important;gap:8px!important}
} .fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-shell{min-height:0!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{min-height:0!important;overflow-y:auto!important;overflow-x:hidden!important;padding-bottom:34px!important;scroll-padding-bottom:90px!important;overscroll-behavior:contain!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main>*:last-child{margin-bottom:18px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap{margin-top:4px!important;margin-bottom:10px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{max-height:min(31dvh,290px)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-question-text{margin-bottom:8px!important;line-height:1.42!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-question-after{margin-top:6px!important;margin-bottom:8px!important;line-height:1.4!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options{gap:8px 12px!important;margin-top:6px!important;padding-bottom:8px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options button{min-height:52px!important;padding:8px 13px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{position:relative!important;inset:auto!important;z-index:50!important;flex-shrink:0!important;margin:0!important;box-shadow:0 -8px 20px rgba(15,35,55,.07)!important;}
@media (min-width:901px) and (max-height:820px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{padding-top:10px!important;padding-bottom:28px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{max-height:min(27dvh,235px)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-options button{min-height:48px!important;}
}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{padding-bottom:96px!important;scroll-padding-bottom:110px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-image-wrap img.fen-quiz-image, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open img.fen-quiz-image{max-height:min(30dvh,250px)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{position:sticky!important;bottom:0!important;}
} .fen-quiz-nav button{pointer-events:auto!important;touch-action:manipulation;cursor:pointer!important;position:relative;z-index:3}
.fen-quiz-nav button.is-marked::after{content:'★';position:absolute;right:-3px;top:-7px;font-size:12px;color:#f97316;text-shadow:0 1px 0 #fff}
[data-action="quiz-mark"]{pointer-events:auto!important;touch-action:manipulation;cursor:pointer!important}
[data-action="quiz-mark"].is-active{background:#fff7ed!important;border-color:#f97316!important;color:#c2410c!important;box-shadow:0 0 0 3px rgba(249,115,22,.12)!important}
.fen-quiz-options button,.fen-quiz-footer button{touch-action:manipulation}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-mark, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open [data-action="quiz-mark"]{display:inline-flex!important;visibility:visible!important;opacity:1!important;align-items:center!important;justify-content:center!important;min-width:max-content!important;min-height:36px!important;padding:7px 12px!important;border:1px solid #d7e4ec!important;border-radius:10px!important;background:#fff!important;color:#334155!important;font-size:13px!important;font-weight:800!important;line-height:1!important;white-space:nowrap!important;overflow:visible!important;position:relative!important;z-index:8!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-mark:hover, .fen-pdf-reader.fen-quiz-modern-v242.quiz-open [data-action="quiz-mark"]:hover{border-color:#f59e0b!important;background:#fff7ed!important;color:#c2410c!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open [data-action="quiz-mark"].is-active{border-color:#f59e0b!important;background:#fff7ed!important;color:#c2410c!important;}
@media(min-width:901px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open{height:min(90dvh,860px)!important;min-height:600px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-shell{grid-template-rows:auto auto minmax(0,1fr) 64px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-main{padding-bottom:18px!important;scroll-padding-bottom:24px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{position:relative!important;bottom:auto!important;min-height:64px!important;padding:10px 26px!important;align-items:center!important;overflow:visible!important;background:#fff!important;border-top:1px solid var(--fen-test-line)!important;box-shadow:0 -5px 16px rgba(15,35,55,.05)!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button{min-height:42px!important;padding:9px 18px!important;}
}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-heading{grid-template-columns:1fr auto!important;grid-template-areas:"kicker mark" "title title" "stats stats"!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-header-mark{grid-area:mark!important;font-size:12px!important;padding:6px 9px!important;}
.fen-pdf-reader.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{min-height:62px!important;padding-bottom:max(10px,env(safe-area-inset-bottom))!important;}
} .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open{height:min(var(--fen-reader-height,92dvh),calc(100dvh - 12px))!important;max-height:calc(100dvh - 12px)!important;overflow:hidden!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-reader-content, .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-panel{width:100%!important;height:100%!important;min-height:0!important;max-height:100%!important;overflow:hidden!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-shell{display:grid!important;grid-template-rows:auto auto minmax(0,1fr) auto!important;width:100%!important;height:100%!important;min-height:0!important;max-height:100%!important;overflow:hidden!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-header-standalone, .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav, .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{flex:none!important;min-width:0!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-main{grid-row:3!important;min-height:0!important;height:auto!important;max-height:none!important;overflow-x:hidden!important;overflow-y:auto!important;padding-bottom:22px!important;scroll-padding-bottom:28px!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-result{grid-row:3!important;min-height:0!important;overflow:auto!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{grid-row:4!important;position:relative!important;inset:auto!important;bottom:auto!important;z-index:60!important;display:grid!important;grid-template-columns:1fr auto 1fr!important;align-items:center!important;width:100%!important;min-height:64px!important;padding:9px 26px!important;margin:0!important;overflow:visible!important;background:#fff!important;border-top:1px solid var(--fen-test-line,#d9e6ee)!important;box-shadow:0 -6px 18px rgba(15,35,55,.07)!important;transform:none!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button{display:inline-flex!important;align-items:center!important;justify-content:center!important;visibility:visible!important;opacity:1!important;min-height:42px!important;margin:0!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button:first-child{justify-self:start!important}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer .fen-finish-button{justify-self:center!important;min-width:160px!important}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer button:last-child{justify-self:end!important}
@media(max-width:900px){
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open{height:calc(100dvh - 8px)!important;max-height:calc(100dvh - 8px)!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer{min-height:60px!important;padding:8px 10px max(8px,env(safe-area-inset-bottom))!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-footer .fen-finish-button{min-width:0!important;}
} .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-header-standalone,
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav{position:relative!important;top:auto!important;inset:auto!important;transform:none!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-header-standalone{z-index:2!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav{z-index:20!important;isolation:isolate!important;overflow-y:visible!important;pointer-events:auto!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav::before, .fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav::after{pointer-events:none!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav button{position:relative!important;z-index:21!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;pointer-events:auto!important;touch-action:manipulation!important;-webkit-tap-highlight-color:transparent!important;clip-path:none!important;overflow:visible!important;}
.fen-pdf-reader.fen-quiz-standalone.fen-quiz-modern-v242.quiz-open .fen-quiz-nav button::before{
content:'';
position:absolute;
inset:-2px;
border-radius:50%;
pointer-events:auto;
}