/* Task-focused extension of the existing Horoshist learning styles. */
.lr [hidden]{display:none!important}
.exam-section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.exam-section-heading h2{margin:8px 0 0}
.exam-section-heading>p{flex-shrink:0}
.exam-workspace{display:grid;grid-template-columns:242px minmax(0,1fr);gap:24px;align-items:start}
.exam-sidebar{position:sticky;top:108px;padding:22px;border:1px solid var(--lr-line);border-radius:24px;background:var(--lr-pale)}
.exam-progress-block>div{display:flex;justify-content:space-between;gap:8px;font-size:13px}
.exam-progress-block progress{width:100%;height:6px;appearance:none;border:0;border-radius:20px;margin:12px 0 2px;background:var(--lr-line);accent-color:var(--lr-blue)}
.exam-progress-block progress::-webkit-progress-bar{background:var(--lr-line);border-radius:20px}
.exam-progress-block progress::-webkit-progress-value{background:var(--lr-blue);border-radius:20px}
.exam-progress-block progress::-moz-progress-bar{background:var(--lr-blue);border-radius:20px}
.exam-progress-block p,.exam-save-note,.exam-legend{font-size:12px;line-height:1.6;color:var(--lr-muted)}
.exam-navigation{margin:18px 0}
.exam-navigation summary{font-size:15px;font-weight:650;cursor:pointer;min-height:30px}
.lr .exam-nav-label{font-size:12px;font-weight:600;color:var(--lr-muted);margin:18px 0 10px}
.exam-numbers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.lr .exam-numbers a{position:relative;display:flex;align-items:center;justify-content:center;min-height:44px;aspect-ratio:1;color:var(--lr-ink);background:white;border:1px solid var(--lr-line);border-radius:12px;font-weight:600;font-size:15px;text-decoration:none}
.exam-numbers small{position:absolute;bottom:0;right:3px;font-size:11px;line-height:1.2}
.lr .exam-numbers a[data-state=filled]{background:#e3eaf5}
.lr .exam-numbers a[data-state=correct]{background:#e0f0e5;color:#225b3a}
.lr .exam-numbers a[data-state=error]{background:#faeae6;color:#8d352a}
.lr .exam-numbers a[aria-current=step]{border:2px solid var(--lr-ink)}
.lr .exam-numbers a:hover{border-color:var(--lr-blue)}
.lr .exam-legend{margin:12px 0 0}
.exam-side-actions{display:grid;gap:9px;margin-top:14px}
.lr .exam-text-button{padding:7px 0;min-height:36px;background:none;border:0;text-align:left;font:inherit;font-size:12px;text-decoration:underline;text-underline-offset:3px;color:var(--lr-muted);cursor:pointer}
.exam-main{min-width:0}
.exam-main .lr-exam-form{border:1px solid var(--lr-line);border-radius:28px;background:white;overflow:hidden}
.lr .exam-task{padding:30px!important;margin:0!important;scroll-margin-top:110px}
.exam-task+.exam-task{border-top:1px solid var(--lr-line)}
.is-enhanced .exam-task{border-top:0;min-height:560px}
.exam-task-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;padding-bottom:22px;margin-bottom:24px;border-bottom:1px solid var(--lr-line)}
.lr .exam-task-heading h3{font-size:30px!important;line-height:1.2;letter-spacing:-.7px;margin:9px 0 0}
.exam-task-heading h3 span{font-size:18px;font-weight:400;color:var(--lr-muted)}
.exam-topic{max-width:190px;text-align:right;font-size:12px;line-height:1.5;color:var(--lr-muted);padding-top:4px}
.exam-condition{font-size:18px;line-height:1.7;overflow-wrap:break-word}
.exam-condition p{margin:0 0 16px}
.exam-condition ul{padding-left:22px}
.exam-condition li+li{margin-top:8px}
.exam-condition math{font-family:math;font-size:1.12em;white-space:normal}
.exam-math{padding:8px 0 20px;font-size:1.1em;overflow-x:auto}
.exam-math math{font-size:1.3em;math-style:normal}
.exam-figure{margin:22px 0;max-width:100%}
.exam-figure img{display:block;width:auto;height:auto;max-width:100%;max-height:310px;object-fit:contain;margin:0 auto}
.exam-figure img[src*="figure-9"]{width:100%;max-height:none}
.exam-figure img[src*="figure-1.webp"]{width:320px}
.exam-figure img[src*="figure-3.webp"]{width:180px}
.exam-figure figcaption{margin-top:12px;font-size:12px;line-height:1.5;color:var(--lr-muted)}
.exam-table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.exam-table caption{text-align:left;font-size:13px;color:var(--lr-muted);margin-bottom:8px}
.exam-table td,.exam-table th{padding:12px;border:1px solid var(--lr-line);text-align:center}
.exam-table th{font-weight:500;text-align:left;background:var(--lr-pale);width:55%}
.exam-entry{margin-top:26px;border-top:1px solid var(--lr-line);padding-top:22px}
.exam-entry .lr-field{font-size:15px}
.exam-entry input{width:min(100%,320px);font-size:18px;font-variant-numeric:tabular-nums}
.exam-entry textarea{display:block;width:100%;max-width:100%;min-height:180px;resize:vertical;padding:14px;border:1px solid #bcc8d9;border-radius:12px;color:var(--lr-ink);background:white;font:inherit;font-size:16px;line-height:1.6}
.exam-entry .lr-tiny{margin:10px 0 18px}
.exam-entry [aria-invalid=true]{border-color:#ae5146!important}
.exam-status{font-size:14px;line-height:1.6;margin:12px 0 0}
.exam-status:empty{display:none}
.exam-status[data-state=correct]{color:#225b3a}
.exam-status[data-state=error]{color:#8d352a}
.exam-solution{margin:22px 0 12px}
.exam-solution summary{min-height:44px;display:list-item;align-content:center}
.exam-solution p{font-size:15px;line-height:1.7}
.exam-original{font-size:12px;color:var(--lr-muted)}
.exam-pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 30px;border-top:1px solid var(--lr-line);background:var(--lr-pale)}
.exam-pagination>span{font-size:13px;color:var(--lr-muted);white-space:nowrap}
.lr .exam-pagination button:disabled{opacity:.4;cursor:not-allowed}
.lr .exam-overview{padding:26px 0 0!important;margin:0!important;scroll-margin-top:110px}
.exam-review-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}
.exam-review-heading h3{font-size:19px;margin:0}
.exam-overview p{font-size:14px;line-height:1.7}
.exam-review-links{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.exam-review-links a{font-size:12px;border:1px solid var(--lr-line);border-radius:12px;padding:10px;background:white}
.lr .exam-reset-dialog{width:min(480px,calc(100% - 32px));max-height:calc(100% - 40px);padding:28px;border:1px solid var(--lr-line);border-radius:24px;background:white;color:var(--lr-ink)}
.exam-reset-dialog::backdrop{background:rgb(17 17 17 / 55%)}
.lr .exam-reset-dialog h2{font-size:24px;margin-bottom:18px}
.exam-reset-dialog p{font-size:15px;line-height:1.6}
.exam-reset-dialog .lr-actions{margin-top:20px}
.exam-workspace :is(a,button,input,textarea,summary):focus-visible,.exam-reset-dialog button:focus-visible{outline:3px solid var(--lr-blue);outline-offset:3px}
@media(min-width:761px){.exam-navigation>summary{list-style:none}.exam-navigation>summary::-webkit-details-marker{display:none}}
@media(max-width:1000px){.exam-workspace{grid-template-columns:210px minmax(0,1fr);gap:18px}.exam-sidebar{padding:16px}.lr .exam-task{padding:24px!important}.exam-task-heading{display:block}.exam-topic{display:block;text-align:left;max-width:none;margin-top:12px}.exam-numbers{gap:5px}.exam-review-heading{flex-wrap:wrap}.exam-section-heading{align-items:start}}
@media(max-width:760px){.exam-section-heading{display:block}.exam-section-heading>p{margin-top:12px}.exam-workspace{display:block}.exam-sidebar{position:static;padding:18px;margin-bottom:16px}.exam-numbers{grid-template-columns:repeat(7,minmax(0,1fr));gap:7px}.lr .exam-numbers a{aspect-ratio:auto}.exam-navigation{margin:14px 0}.exam-navigation summary{padding:7px 0}.exam-side-actions{display:flex;flex-wrap:wrap;gap:8px 18px}.exam-task{scroll-margin-top:95px}.is-enhanced .exam-task{min-height:0}.exam-main .lr-exam-form{border-radius:22px}.exam-task-heading h3{font-size:28px}.exam-condition{font-size:17px}.exam-pagination{padding:16px}.exam-pagination .lr-button{padding:12px 16px}.exam-figure img{max-height:260px}.exam-review-heading{gap:12px}.exam-overview{scroll-margin-top:100px}}
@media(max-width:440px){.lr .exam-task{padding:20px 16px!important}.exam-numbers{grid-template-columns:repeat(5,minmax(0,1fr))}.exam-condition{font-size:16px}.exam-math{font-size:1em}.exam-table{font-size:13px}.exam-table td,.exam-table th{padding:9px 6px}.exam-pagination{gap:8px;padding:14px 12px}.exam-pagination .lr-button{font-size:13px;padding:10px 12px}.exam-task-heading .lr-eyebrow{font-size:10px}.exam-section-heading h2{font-size:28px}}
@media print{.exam-sidebar,.exam-pagination,.exam-overview,.exam-entry button,.exam-reset-dialog,.exam-original,.exam-solution{display:none!important}.exam-workspace{display:block}.lr .exam-task[hidden]{display:block!important}.lr-exam-form{display:block!important}.exam-task{break-inside:avoid;min-height:0!important;border:0}.exam-entry textarea{height:200px}}