.textbook-math{display:inline-block;margin:0 .08em;vertical-align:-.12em}.textbook-math .katex{font-size:1.04em}.card:not(button){cursor:default}.card:not(button):hover{transform:none;box-shadow:none}
.map-mode .result-heading{display:none}.audit-note{display:none}.practice-toolbar{display:flex;align-items:center;gap:10px;margin:0 0 18px;flex-wrap:wrap}.practice-filter-slot{flex:1;min-width:360px}.practice-filter{display:flex;align-items:center;gap:9px}.practice-segments{display:flex;gap:4px;padding:3px;background:#edf2ec;border-radius:8px}.practice-filter button{border:0;background:transparent;color:var(--green);border-radius:6px;padding:8px 12px}.practice-filter button.active{background:#fff;color:var(--green);box-shadow:0 1px 4px #173f3618;font-weight:600}.practice-filter select{min-width:142px;max-width:190px;background:#fff}.practice-summary{display:flex!important;gap:5px!important}.practice-summary div{min-width:76px;padding:8px 10px!important;background:#fff!important;color:var(--ink);border:1px solid var(--line)!important;border-radius:8px!important;text-align:center}.practice-summary strong{font-size:20px!important}.practice-summary span{color:var(--muted)!important;font-size:11px!important}.practice-records{position:relative}.practice-records>summary{list-style:none}.practice-records>summary::-webkit-details-marker{display:none}.practice-records>div{position:absolute;z-index:5;right:0;top:48px;min-width:170px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 28px #173f3620}.practice-records .plain{display:block;width:100%;padding:9px 10px;border-radius:6px}.practice-records .plain:hover{background:#edf3ed}.practice-grid{display:block!important}.practice-stage-group{margin:0 0 28px}.practice-stage-group>h2{font-size:21px;margin:18px 0 12px;border-bottom:1px solid #dbe6dc;padding-bottom:8px}.practice-domain{margin:0 0 20px}.practice-domain>h3{font-size:15px;color:var(--green);margin:0 0 9px}.practice-domain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.practice-figure{margin:4px 0 18px;padding:10px;border:1px solid #dbe5dc;border-radius:12px;background:#fbfcf8;text-align:center}.practice-figure svg{width:min(100%,430px);height:auto}.practice-figure svg path,.practice-figure svg circle,.practice-figure svg rect{fill:none;stroke:#173f36;stroke-width:2}.practice-figure svg .mark{stroke:#a96d00}.practice-figure svg .dash{stroke-dasharray:6 5}.practice-figure svg .point{fill:#173f36}.practice-figure text{font:14px sans-serif;fill:#173f36}.practice-figure figcaption{font-size:12px;color:var(--muted)}
.common-notation{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:24px;padding:12px 14px;background:#f4f7f2;border-left:3px solid var(--green);color:#52665e}.common-notation span{padding:3px 7px;background:#fff;border:1px solid var(--line);border-radius:5px;color:#233f36}
@media(max-width:1050px){.practice-domain-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-filter-slot{flex-basis:100%}}@media(max-width:700px){.practice-domain-grid{grid-template-columns:1fr}.practice-filter-slot{min-width:100%}.practice-filter{align-items:stretch;flex-direction:column}.practice-segments{display:grid;grid-template-columns:repeat(4,1fr)}.practice-filter select{max-width:none;width:100%}.practice-summary{width:100%}.practice-summary div{flex:1;min-width:0}.textbook-math .katex{font-size:1em}}
.practice-card{scroll-margin-block:24px;overflow:hidden}.practice-card h3,.practice-card p,.quiz-stem,.quiz-feedback{overflow-wrap:anywhere}.practice-return-target{border-color:#2f806a!important;box-shadow:0 0 0 3px #2f806a24;animation:practice-return-pulse 1.8s ease-out}.quiz-options button{min-width:0;overflow:hidden}.quiz-options .option-key{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#eef3ee;color:var(--green);font-weight:700;flex:0 0 28px}.quiz-options .option-value{width:auto;height:auto;min-width:0;max-width:100%;border-radius:0;display:block;place-items:normal;background:transparent;color:inherit;font-weight:400;flex:1 1 auto;line-height:1.55;overflow-wrap:anywhere}.quiz-options .option-value .katex{font-size:1.08em}@keyframes practice-return-pulse{0%{background:#e6f4ec}100%{background:#fff}}
.quiz-progress{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:18px 0;padding:13px 14px;background:#f5f8f4;border:1px solid var(--line);border-radius:8px}.quiz-progress>div{display:grid;gap:2px;white-space:nowrap}.quiz-progress strong{font-size:16px;color:var(--ink)}.quiz-progress span{font-size:12px;color:var(--muted)}.question-picker{display:grid;grid-template-columns:repeat(10,36px);gap:6px}.question-picker button{width:36px;height:36px;padding:0;border:1px solid #cad8cf;border-radius:50%;background:#fff;color:var(--green);font:600 14px/1 inherit}.question-picker button:hover{border-color:var(--green);background:#edf4ef}.question-picker button.current{border-color:var(--green);box-shadow:0 0 0 2px #176b5728}.question-picker button.correct{background:#e3f3e9;border-color:#73a889;color:#145a45}.question-picker button.wrong{background:#fff0ed;border-color:#d99c90;color:#963d31}.question-picker button.current.correct,.question-picker button.current.wrong{box-shadow:0 0 0 2px #176b5740}.quiz-footer{flex-wrap:wrap}
@media(max-width:850px){.quiz-progress{align-items:stretch;flex-direction:column}.question-picker{grid-template-columns:repeat(10,minmax(32px,1fr))}.question-picker button{width:100%;aspect-ratio:1;height:auto;max-width:40px;justify-self:center}}
@media(max-width:560px){.question-picker{grid-template-columns:repeat(5,minmax(36px,1fr));row-gap:8px}.question-picker button{max-width:38px}.quiz-footer .pill{flex:1 1 100%;justify-content:center}}