.exam-hero{padding:34px 0;background:linear-gradient(120deg,#071b34,#0d5fd3);color:#fff}.exam-hero h1{font-size:clamp(34px,5vw,58px);margin:8px 0}.exam-hero p{max-width:760px;margin:0;color:#dceaff;font-size:17px;line-height:1.6}.exam-hero .eyebrow{color:#80bcff}.exam-shell{display:grid;grid-template-columns:230px minmax(0,1fr) 280px;gap:18px;padding-top:28px;padding-bottom:48px;align-items:start}.exam-library,.exam-teacher{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;position:sticky;top:16px}.exam-filter-title{display:flex;justify-content:space-between;gap:8px;margin-bottom:14px}.exam-filter-title span{font-weight:900}.exam-filter-title strong{font-size:11px;color:var(--blue)}.exam-library label{display:grid;gap:5px;margin:10px 0;font-size:11px;font-weight:850}.exam-library select{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;background:#fff}.exam-mode-note{margin:16px 0;padding:12px;border-radius:12px;background:#edf5ff}.exam-mode-note p{font-size:12px;color:var(--muted);margin:4px 0}.exam-question-list{display:grid;gap:7px;max-height:335px;overflow:auto}.exam-question-list button{display:flex;text-align:left;gap:9px;border:1px solid var(--line);border-radius:10px;padding:9px;background:#fff;cursor:pointer}.exam-question-list button>span{width:24px;height:24px;display:grid;place-items:center;border-radius:6px;background:var(--soft);font-weight:900}.exam-question-list button div{min-width:0}.exam-question-list button strong,.exam-question-list button small{display:block}.exam-question-list button strong{font-size:12px}.exam-question-list button small{font-size:10px;color:var(--muted);margin-top:2px}.exam-question-list button.active{border-color:var(--blue);background:#edf5ff}.cbt-device{min-width:0}.device-camera{width:8px;height:8px;border-radius:50%;background:#2f425c;margin:0 auto -19px;position:relative;z-index:2}.cbt-screen{border:13px solid #14243a;border-radius:22px;background:#fff;box-shadow:0 24px 55px rgba(7,27,52,.22);overflow:hidden}.cbt-screen>header{display:flex;justify-content:space-between;align-items:center;background:#0b5bc7;color:#fff;padding:15px 18px}.cbt-screen>header span,.cbt-screen>header strong{display:block}.cbt-screen>header span{font-size:10px;font-weight:900;letter-spacing:.1em}.cbt-screen>header strong{margin-top:3px}.cbt-timer{text-align:right}.cbt-timer small{display:block;font-size:8px}.cbt-timer strong{font-variant-numeric:tabular-nums}.cbt-progress{padding:10px 18px;background:#f7f9fc;display:flex;align-items:center;gap:14px;font-size:11px;font-weight:800}.cbt-progress i{height:5px;background:#dbe5f2;flex:1;border-radius:99px;overflow:hidden}.cbt-progress b{display:block;height:100%;width:0;background:#13b889}.cbt-question{min-height:470px;padding:30px}.cbt-question h2{font-size:22px;line-height:1.45;margin:12px 0 25px}.question-type{font-size:9px;font-weight:900;letter-spacing:.12em;color:var(--blue);background:#e8f1ff;padding:6px 9px;border-radius:999px}.cbt-options{display:grid;gap:10px}.cbt-options button{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;text-align:left;border:1px solid #ccd8e8;background:#fff;border-radius:12px;padding:12px;cursor:pointer}.cbt-options button b{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#edf3fa}.cbt-options button.selected{border:2px solid var(--blue);background:#edf5ff}.cbt-options button.correct-preview{border-color:#14a979;background:#eafaf4}.cbt-options button em{font-size:10px;color:#07875f;font-style:normal;font-weight:900}.cbt-screen>footer{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:13px 18px;background:#f4f7fb;border-top:1px solid var(--line)}.cbt-screen>footer>button,.check-answer{border:0;background:#0d5fd3;color:#fff;padding:10px 14px;border-radius:8px;font-weight:850;cursor:pointer}.exam-palette{display:flex;gap:4px;overflow:auto}.exam-palette button{min-width:26px;height:26px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:10px}.exam-palette button.active{background:#0d5fd3;color:#fff}.device-base{height:18px;width:86%;margin:auto;background:linear-gradient(#b9c4d2,#eef2f7);clip-path:polygon(5% 0,95% 0,100% 100%,0 100%);border-radius:0 0 16px 16px}.exam-teacher-head{display:flex;gap:12px;align-items:center}.exam-teacher-head img{width:64px;height:64px;border-radius:50%;object-fit:cover;border:3px solid #d9e9ff}.exam-teacher-head span{color:#07875f;font-size:9px;font-weight:900;text-transform:uppercase}.exam-teacher-head h2,.exam-teacher-head p{margin:2px 0}.exam-teacher-head p{color:var(--muted);font-size:11px}.exam-phase{display:flex;gap:11px;margin:18px 0;padding:13px;background:#f4f7fb;border-radius:12px}.exam-phase>span{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#0d5fd3;color:#fff;font-weight:900}.exam-phase strong{font-size:13px}.exam-phase p{font-size:11px;color:var(--muted);margin:3px 0}.exam-explanation{padding:14px;border-left:4px solid #f4b400;background:#fff8d7;border-radius:8px}.exam-explanation span{font-size:9px;font-weight:900;text-transform:uppercase}.exam-explanation p{font-size:13px;line-height:1.55;margin:6px 0}.exam-speak,.exam-challenge{width:100%;margin-top:11px}.exam-source{border-top:1px solid var(--line);margin-top:15px;padding-top:12px}.exam-source strong,.exam-source a{display:block;font-size:10px}.exam-source a{color:var(--blue);margin-top:5px}.exam-feedback{margin-top:12px;padding:12px;border-radius:10px}.exam-feedback.good{background:#e7f9f2;color:#076947}.exam-feedback.needs-work,.exam-feedback.warn{background:#fff2da;color:#805200}.exam-feedback p{font-size:12px;margin:4px 0}.theory-answer,.theory-entry{display:block;padding:16px;background:#f4f7fb;border-radius:12px}.theory-answer span{font-size:9px;font-weight:900;color:#07875f}.theory-entry textarea{display:block;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:9px;padding:12px}.check-answer{margin-top:18px}.exam-welcome{text-align:center;padding:80px 20px}.exam-welcome span{font-size:45px}.exam-welcome p{color:var(--muted)}
@media(max-width:1100px){.exam-shell{grid-template-columns:190px minmax(0,1fr)}.exam-teacher{position:relative;grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:12px}.exam-teacher-head,.exam-phase,.exam-source{grid-column:1/-1}}
@media(max-width:760px){.exam-hero{padding:25px 0}.exam-shell{display:flex;flex-direction:column;padding-top:15px}.exam-library,.exam-teacher,.cbt-device{width:100%;position:relative;top:auto}.exam-question-list{max-height:180px}.cbt-screen{border-width:7px}.cbt-question{min-height:430px;padding:22px 17px}.cbt-question h2{font-size:19px}.cbt-screen>footer{flex-wrap:wrap}.exam-palette{order:3;width:100%}.exam-teacher{display:block}.device-base{height:12px}.cbt-options button{grid-template-columns:30px 1fr}.cbt-options button em{display:none}}