.bexam-shell{--be-ink:#12384a;--be-muted:#59717c;--be-line:#c8d9de;--be-soft:#f4f9fa;--be-accent:#087f8c;--be-accent-dark:#07616c;--be-good:#176b4a;--be-good-bg:#edf8f2;--be-warn:#8a5a00;--be-warn-bg:#fff7e7;--be-bad:#8a3434;--be-bad-bg:#fff0f0;color:var(--be-ink)}
.bexam-head{padding:2.5rem 0 2rem;background:linear-gradient(180deg,#edf8f8 0%,#f8fbfb 100%);border-bottom:1px solid var(--be-line)}
.bexam-back{display:inline-block;margin-bottom:1rem;color:var(--be-accent-dark);font-weight:700}
.bexam-title-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;align-items:end}
.bexam-title-row h1{max-width:780px;margin:.25rem 0 .65rem;font-size:clamp(2.1rem,4.6vw,4rem);line-height:1.02;letter-spacing:-.035em}
.bexam-title-row p:not(.eyebrow){max-width:850px;margin:0;color:#425f6b;font-size:1.08rem;line-height:1.65}
.bexam-board-switch{display:flex;border:1px solid #9fc0c6;border-radius:14px;padding:4px;background:#fff;box-shadow:0 8px 22px rgba(16,58,70,.06)}
.bexam-board-switch button{border:0;background:transparent;padding:.78rem 1rem;border-radius:10px;font-weight:800;color:#496773;cursor:pointer}
.bexam-board-switch button.is-active{background:var(--be-ink);color:#fff}
.bexam-layout{display:grid;grid-template-columns:minmax(250px,330px) minmax(0,1fr);gap:2rem;padding-top:2rem;padding-bottom:3rem;align-items:start}
.bexam-controls{position:sticky;top:1rem;border:1px solid var(--be-line);border-radius:20px;background:#fff;padding:1.2rem;box-shadow:0 12px 32px rgba(22,60,71,.07)}
.bexam-filter-group+.bexam-filter-group{margin-top:1.35rem;padding-top:1.35rem;border-top:1px solid #dce7ea}
.bexam-filter-label{display:block;margin-bottom:.55rem;font-weight:900;color:var(--be-ink)}
.bexam-filter-group p{margin:.55rem 0 0;color:var(--be-muted);font-size:.9rem;line-height:1.45}
.bexam-segmented{display:grid;grid-template-columns:1fr 1fr;gap:.35rem;padding:.28rem;border-radius:12px;background:#edf4f5}
.bexam-segmented button{border:0;border-radius:9px;background:transparent;color:#496671;padding:.62rem .5rem;font-weight:800;cursor:pointer}
.bexam-segmented button.is-active{background:#fff;color:var(--be-ink);box-shadow:0 2px 8px rgba(24,62,73,.1)}
.bexam-controls select{width:100%;border:1px solid #afc6cc;border-radius:11px;background:#fff;color:var(--be-ink);padding:.72rem .78rem;font:inherit;font-weight:700}
.bexam-difficulty{display:grid;grid-template-columns:repeat(3,1fr);gap:.42rem}
.bexam-difficulty button{min-height:55px;border:1px solid #bfd1d5;background:#fff;border-radius:11px;padding:.4rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.08rem;color:#47646f;cursor:pointer}
.bexam-difficulty button:first-child{grid-column:span 3;min-height:42px;display:block;font-weight:800}
.bexam-difficulty button b{font-size:1rem;color:var(--be-ink)}
.bexam-difficulty button span{font-size:.72rem;font-weight:800}
.bexam-difficulty button.is-active{border-color:var(--be-accent);background:#eaf7f8;color:var(--be-accent-dark);box-shadow:inset 0 0 0 1px var(--be-accent)}
.bexam-difficulty button:disabled{opacity:.32;cursor:not-allowed;background:#f3f5f6}
.bexam-filter-summary{margin-top:1.4rem;padding:1rem;border-radius:14px;background:#edf7f8;display:grid;grid-template-columns:1fr auto;gap:.7rem;align-items:center}
.bexam-filter-summary span{display:flex;flex-direction:column}.bexam-filter-summary small{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#64808a;font-weight:800}.bexam-filter-summary strong{font-size:1.45rem}
.bexam-filter-summary button,.bexam-submit,.bexam-next-row button{border:0;border-radius:10px;background:var(--be-accent);color:#fff;padding:.72rem .9rem;font-weight:900;cursor:pointer}
.bexam-filter-summary button:hover,.bexam-submit:hover,.bexam-next-row button:hover{background:var(--be-accent-dark)}
.bexam-board-note{margin-top:1rem;padding:1rem;border-left:4px solid var(--be-accent);background:#f6fafb;display:flex;flex-direction:column;gap:.25rem;color:#536e78;font-size:.88rem;line-height:1.5}
.bexam-board-note strong{color:var(--be-ink)}
.bexam-main{min-width:0}
.bexam-scorebar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:.75rem;margin-bottom:1rem}
.bexam-scorebar>div,.bexam-scorebar>button{border:1px solid var(--be-line);border-radius:13px;background:#fff;padding:.75rem .9rem}
.bexam-scorebar div{display:flex;flex-direction:column}.bexam-scorebar small{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#6b818a;font-weight:800}.bexam-scorebar strong{font-size:1.1rem;margin-top:.1rem}
.bexam-scorebar button{color:#526c76;font-weight:800;cursor:pointer}
.bexam-question-card{border:1px solid var(--be-line);border-radius:22px;background:#fff;padding:clamp(1.25rem,3vw,2.1rem);box-shadow:0 14px 38px rgba(18,57,70,.07)}
.bexam-qmeta{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1rem;align-items:center}.bexam-qmeta span,.bexam-qmeta b{font-size:.72rem;font-weight:900;padding:.35rem .55rem;border-radius:999px;background:#edf5f6;color:#4a6670}.bexam-qmeta b{margin-left:auto;background:#e8f7f4;color:#17614a}
.bexam-question-card h2{margin:0 0 1.35rem;font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.35;letter-spacing:-.018em;color:var(--be-ink)}
.bexam-instruction{margin:-.5rem 0 1rem;color:var(--be-muted);font-size:.92rem}
.bexam-options{display:grid;gap:.65rem}.bexam-options label{display:block;cursor:pointer}.bexam-options input{position:absolute;opacity:0;pointer-events:none}.bexam-options label span{display:flex;align-items:center;gap:.8rem;border:1px solid #bfd1d5;border-radius:13px;padding:.9rem 1rem;background:#fbfdfd;line-height:1.45;transition:.15s ease}.bexam-options label span b{display:grid;place-items:center;min-width:28px;height:28px;border-radius:8px;background:#e8f2f4;color:#42616c}.bexam-options input:checked+span{border-color:var(--be-accent);box-shadow:inset 0 0 0 1px var(--be-accent);background:#eefafa}.bexam-options label.is-correct span{border-color:#72b194;background:var(--be-good-bg)}.bexam-options label.is-wrong span{border-color:#cf8585;background:var(--be-bad-bg)}
.bexam-options.is-multi label span:before{content:"";width:18px;height:18px;border:2px solid #8eaab1;border-radius:5px;flex:0 0 auto}.bexam-options.is-multi input:checked+span:before{border-color:var(--be-accent);background:var(--be-accent);box-shadow:inset 0 0 0 4px #fff}
.bexam-submit{margin-top:1.1rem;font-size:.98rem}.bexam-submit:disabled{opacity:.4;cursor:not-allowed}
.bexam-response-label{display:block;margin-bottom:.45rem;font-weight:900}.bexam-question-card textarea{width:100%;resize:vertical;min-height:175px;border:1px solid #aec5cb;border-radius:14px;padding:1rem;font:inherit;line-height:1.55;color:#163c4b;background:#fcfefe}.bexam-question-card textarea:focus{outline:3px solid rgba(8,127,140,.14);border-color:var(--be-accent)}
.bexam-response-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:.7rem}.bexam-response-foot span{font-size:.83rem;color:#71868e}.bexam-response-foot .bexam-submit{margin:0}
.bexam-feedback{margin-top:1rem;border-radius:15px;padding:1rem 1.1rem;display:flex;align-items:center;gap:.9rem;border:1px solid transparent}.bexam-feedback strong{font-size:1.35rem;white-space:nowrap}.bexam-feedback span{line-height:1.5}.bexam-feedback.is-good{background:var(--be-good-bg);border-color:#a8d0bc;color:var(--be-good)}.bexam-feedback.is-partial{background:var(--be-warn-bg);border-color:#e4c88e;color:#76500b}.bexam-feedback.is-bad{background:var(--be-bad-bg);border-color:#e5b1b1;color:var(--be-bad)}
.bexam-marking{margin-top:1rem;border:1px solid var(--be-line);border-radius:18px;background:#fff;padding:1.2rem}.bexam-marking-head{display:flex;justify-content:space-between;gap:1rem;align-items:end;margin-bottom:.8rem}.bexam-marking-head h3{margin:.08rem 0 0;font-size:1.2rem}.bexam-marking-head>span{max-width:340px;color:#687f88;font-size:.82rem;line-height:1.4;text-align:right}.bexam-rubric{display:grid;gap:.5rem}.bexam-rubric label{display:grid;grid-template-columns:auto 1fr;gap:.65rem;align-items:start;padding:.75rem;border-radius:11px;border:1px solid #d3e0e3;background:#fafcfc;cursor:pointer}.bexam-rubric label.is-hit{background:var(--be-good-bg);border-color:#b8d9c8}.bexam-rubric label.is-missed{background:#fffaf0;border-color:#ead7ae}.bexam-rubric input{margin-top:.22rem;width:18px;height:18px;accent-color:var(--be-good)}.bexam-rubric span{display:flex;flex-direction:column;gap:.15rem;line-height:1.45}.bexam-rubric b{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:#68808a}.bexam-rubric .is-hit b{color:var(--be-good)}
.bexam-answer{margin-top:1rem}.bexam-answer>button{border:1px solid #afc6cc;background:#fff;color:#315464;border-radius:10px;padding:.7rem .85rem;font-weight:800;cursor:pointer}.bexam-answer [data-be-answer-copy]{margin-top:.65rem;padding:1rem 1.1rem;border-radius:14px;background:#eff7f8;border-left:4px solid var(--be-accent)}.bexam-answer h3{margin:0 0 .35rem;font-size:1rem}.bexam-answer p{margin:0;line-height:1.6;color:#395966}
.bexam-next-row{margin-top:1rem;display:flex;align-items:center;justify-content:flex-end;gap:1rem}.bexam-next-row span{color:#6a818a;font-size:.9rem}
.bexam-marking-note{margin-top:1.5rem;padding:1.05rem 1.15rem;border:1px dashed #abc4ca;border-radius:14px;color:#526d77;background:#f8fbfb}.bexam-marking-note strong{color:var(--be-ink)}.bexam-marking-note p{margin:.25rem 0 0;line-height:1.5;font-size:.9rem}
.bexam-empty{padding:2rem;text-align:center;color:#57717a}.bexam-empty strong{display:block;color:var(--be-ink);font-size:1.2rem}.bexam-empty p{margin:.4rem 0 0}
.bexam-foot{margin-top:1.4rem;padding:.9rem .1rem 0;border-top:1px solid #dbe6e8;display:flex;justify-content:space-between;gap:1rem;color:#71858d;font-size:.78rem}.bexam-foot a{color:#516d77}
@media(max-width:900px){.bexam-title-row{grid-template-columns:1fr}.bexam-board-switch{width:max-content}.bexam-layout{grid-template-columns:1fr}.bexam-controls{position:static}.bexam-scorebar{grid-template-columns:repeat(3,1fr)}.bexam-scorebar button{grid-column:1/-1}.bexam-marking-head{align-items:start;flex-direction:column}.bexam-marking-head>span{text-align:left}}
@media(max-width:600px){.bexam-head{padding:1.6rem 0 1.3rem}.bexam-title-row h1{font-size:2.2rem}.bexam-layout{padding-top:1rem;gap:1rem}.bexam-controls{padding:1rem;border-radius:16px}.bexam-scorebar{grid-template-columns:1fr 1fr}.bexam-scorebar>div:nth-child(3){grid-column:1/-1}.bexam-question-card{padding:1rem;border-radius:16px}.bexam-qmeta b{margin-left:0}.bexam-response-foot{align-items:stretch;flex-direction:column}.bexam-response-foot .bexam-submit{width:100%}.bexam-feedback{align-items:flex-start}.bexam-next-row{align-items:stretch;flex-direction:column}.bexam-next-row button{width:100%}.bexam-foot{flex-direction:column}.bexam-difficulty{grid-template-columns:repeat(2,1fr)}.bexam-difficulty button:first-child{grid-column:span 2}}
.bexam-options input:focus-visible+span{outline:3px solid rgba(8,127,140,.2);outline-offset:2px}.bexam-board-switch button:focus-visible,.bexam-segmented button:focus-visible,.bexam-difficulty button:focus-visible,.bexam-filter-summary button:focus-visible,.bexam-submit:focus-visible,.bexam-next-row button:focus-visible,.bexam-scorebar button:focus-visible,.bexam-answer>button:focus-visible{outline:3px solid rgba(8,127,140,.24);outline-offset:2px}