:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--surface:#fbfbee;--ink:#000;--muted:#444;--quiz-meta:#727268;--line:#777;--soft-line:#d1d1d1;--shade:#f2f2f2;--accent:var(--ink);--font:Consolas, "Liberation Mono", "Courier New", monospace}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--surface:#191916;--ink:#fbfbee;--muted:#bdbdb2;--quiz-meta:#838379;--line:#85857a;--soft-line:#484840;--shade:#282823}*{box-sizing:border-box}body{background:var(--surface);color:var(--ink);font-family:var(--font);margin:0;line-height:1.55}h1,h2,h3,p{margin:0}button,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button,a,input,summary,select{-webkit-tap-highlight-color:transparent}:where(button,a,select,summary):focus-visible,input:focus-visible{outline:2px solid var(--ink);outline-offset:3px}h1:focus{outline:none}button{color:inherit}fieldset{border:0;min-width:0;margin:0;padding:0}legend{padding:0}.muted{color:var(--muted)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{z-index:3;border:1px solid var(--ink);background:var(--surface);color:var(--ink);padding:8px 12px;position:absolute;inset:8px auto auto 8px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:3px double var(--ink)}.site-header-inner{grid-template-columns:repeat(3,minmax(0,1fr));align-items:center;gap:8px 16px;max-width:1120px;min-height:70px;margin-inline:auto;padding:12px 24px;display:grid}.brand-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;display:flex}.icon-button{border:1px solid var(--line);width:44px;height:44px;color:var(--ink);background:0 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var(--ink);grid-template-columns:minmax(0,1fr);gap:clamp(20px,3vw,32px);padding:clamp(24px,4vw,35px);display:grid}.session-panel-split{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.session-choice{flex-direction:column;align-items:flex-start;gap:12px;min-width:0;display:flex}.session-choice .button{margin-top:auto}.session-panel h2{font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.12}.session-choice p,.length-value{font-variant-numeric:tabular-nums;font-size:1.05rem}.session-choice p{color:var(--muted)}.session-progress{align-items:center;width:100%;min-height:44px;display:grid}.length-picker{font-variant-numeric:tabular-nums;width:100%}.length-value{font-weight:700}.length-slider{width:100%;height:44px;accent-color:var(--accent);cursor:pointer;margin:0;display:block}.length-slider:disabled{cursor:default}.length-bounds{color:var(--muted);justify-content:space-between;font-size:.8rem;display:flex}.button,.text-button{text-align:center;border:1px solid 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span{aspect-ratio:1;background:var(--surface);border-radius:50%;place-items:center;width:82%;font-size:1.03rem;font-weight:760;display:grid}.coverage-number{letter-spacing:-.065em;font-variant-numeric:tabular-nums;font-size:clamp(1.7rem,3.4vw,2.55rem);font-weight:760;line-height:1.05}.coverage-number span{color:var(--muted);letter-spacing:-.035em;font-size:.54em}.coverage-content .muted{margin-top:5px;font-size:.83rem}.coverage-facts{border-top:1px solid var(--soft-line);grid-template-columns:1fr 1fr;margin:0;padding-top:13px;display:grid}.coverage-facts div+div{border-left:1px solid var(--soft-line);padding-left:14px}.coverage-facts dt{color:var(--muted);font-size:.79rem}.coverage-facts dd{margin:4px 0 0;font-size:1.3rem;font-weight:740}.section-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.section-heading .text-button{flex-shrink:0;margin-right:-8px}.empty-state{color:var(--muted);max-width:48ch;margin-top:13px;font-size:.94rem}.chart-key{color:var(--muted);align-items:center;gap:7px;margin:9px 0 10px;font-size:.76rem;display:flex}.chart-key span{border-top:2px dashed var(--ink);width:16px}.score-chart{grid-template-columns:39px 1fr;gap:7px;height:138px;display:grid}.chart-axis{color:var(--muted);font-variant-numeric:tabular-nums;flex-direction:column;justify-content:space-between;align-items:end;font-size:.68rem;display:flex}.chart-plot{border-bottom:1px solid var(--line);background:repeating-linear-gradient(to bottom, var(--soft-line) 0 1px, transparent 1px 50%);justify-content:flex-start;align-items:end;gap:6px;padding:0 9px;display:flex;position:relative}.chart-benchmark{top:15%;border-top:1px dashed 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var(--soft-line)}.history-row{border:0;border-bottom:1px solid var(--soft-line);text-align:left;background:0 0;align-items:center;gap:13px;width:100%;padding:12px 3px;display:flex}.history-row:hover:not(:disabled){background:var(--shade)}.history-row small{color:var(--muted);margin-top:3px;font-size:.76rem;display:block}.history-score{font-variant-numeric:tabular-nums;margin-left:auto}.history-arrow{color:var(--accent)}.segmented-control{border:1px solid var(--line);background:var(--line);gap:1px;margin-bottom:16px;display:inline-flex}.segmented-control button{background:var(--surface);min-height:44px;color:var(--ink);border:0;padding:8px 14px;font-weight:700}.segmented-control button[aria-pressed=true]{color:var(--surface);background:var(--ink)}.question-filters{flex-wrap:wrap;align-items:center;gap:4px 12px;max-width:100%;display:flex}.filter-label{max-width:100%;color:var(--muted);align-items:center;gap:8px;font-size:.8rem;display:flex}.filter-label select{border:1px solid var(--line);background:var(--surface);min-width:0;max-width:100%;min-height:44px;color:var(--ink);padding:4px 8px}.correct-filter{cursor:pointer;min-height:44px}.correct-filter input{width:16px;height:16px;accent-color:var(--accent);margin:0}.question-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;margin-top:16px}.question-table :is(td,th){text-align:right;border-bottom:1px solid var(--soft-line);padding:8px 5px}.question-table th:first-child{text-align:left}.question-table thead{color:var(--muted);font-size:.79rem}.question-column-symbol{display:none}.question-table tbody th{font-size:.85rem}.question-table tbody th span{color:var(--muted);overflow-wrap:anywhere;font-size:.73rem;font-weight:400;display:block}.question-table tbody th .question-stem{color:var(--ink);font-size:inherit;white-space:pre-wrap;display:inline}.question-table td{font-size:.85rem}.question-table 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.text-button{color:inherit}.quiz-question-meta{color:var(--quiz-meta);text-align:right;overflow-wrap:anywhere;font-size:.75rem;line-height:1.4}.quiz-question-meta span{white-space:nowrap}progress{appearance:none;background:var(--soft-line);width:100%;height:5px;color:var(--accent);border:none;display:block}progress::-webkit-progress-bar{background:var(--soft-line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.quiz-progress{margin:12px 0 20px}.quiz-card{padding:clamp(16px,4vw,30px)}.quiz-card legend{letter-spacing:-.032em;overflow-wrap:anywhere;white-space:pre-wrap;max-width:100%;font-size:clamp(1.18rem,3.8vw,1.65rem);font-weight:730;line-height:1.34}.answer-instruction{color:var(--muted);margin:9px 0 13px;font-size:.88rem}.answer-list{gap:4px;display:grid}.answer-option{cursor:pointer;overflow-wrap:anywhere;grid-template-columns:19px minmax(0,1fr);align-items:start;gap:12px;min-height:50px;padding:12px 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