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select{-webkit-appearance:none;appearance:none;min-width:0;min-height:44px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;outline:none;flex:1;padding-inline-end:20px;font-size:.9375rem}._field_150k7_4>span>svg:last-child{pointer-events:none;position:absolute;inset-inline-end:12px}._field_150k7_4 input{width:100%;min-width:0;height:44px;color:var(--portal-ink);font:inherit;background:0 0;border:0;outline:none;font-size:.9375rem}._field_150k7_4 input::placeholder{color:var(--portal-muted)}._field_150k7_4:focus-within>span{outline:2px solid var(--portal-accent);outline-offset:2px}._search_150k7_5>span>svg:last-child{position:static}._search_150k7_5 button{width:32px;height:38px;color:var(--portal-muted);cursor:pointer;background:0 0;border:0;flex:none;place-items:center;display:grid}._version_150k7_6{color:var(--portal-muted);flex-direction:column;gap:7px;font-size:.8125rem;display:flex}._version_150k7_6 strong{min-height:46px;color:var(--portal-ink);font-variant-numeric:tabular-nums;align-items:center;font-size:.9375rem;font-weight:600;display:flex}._workspace_150k7_7{grid-template-columns:minmax(200px,260px) minmax(0,1fr);align-items:start;gap:32px;padding-top:24px;display:grid}._subjectColumn_150k7_7{min-width:0}._contextSummary_150k7_7{color:var(--portal-muted);flex-direction:column;gap:4px;margin-bottom:16px;font-size:.875rem;line-height:1.8;display:flex}._contextSummary_150k7_7 span{font-size:.8125rem}._subjectList_150k7_7{gap:3px;margin:0;padding:0;list-style:none;display:grid}._subjectList_150k7_7 button{text-align:start;width:100%;min-height:47px;color:var(--portal-ink);cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;font-size:1rem;transition:background .16s ease-out,color .16s ease-out;display:flex}._subjectList_150k7_7 button:hover{background:var(--portal-surface)}._subjectList_150k7_7 button[aria-pressed=true]{background:var(--portal-soft);color:var(--portal-accent);font-weight:800}._subjectList_150k7_7 button>svg{opacity:0}._subjectList_150k7_7 button[aria-pressed=true]>svg,._subjectList_150k7_7 button:hover>svg{opacity:1}._mobileChoice_150k7_7{display:none}._detail_150k7_8{border:1px solid var(--portal-line);background:var(--portal-surface);border-radius:14px;min-width:0;padding:clamp(22px,2.5vw,38px)}._detailTop_150k7_8{justify-content:space-between;align-items:center;gap:20px;display:flex}._detailTop_150k7_8 h3{font-size:clamp(1.6rem,2.3vw,2rem);font-weight:850;line-height:1.6}._detailTop_150k7_8 p{color:var(--portal-muted);margin-top:3px;font-size:.875rem}._detailTop_150k7_8>svg{color:var(--portal-accent);flex:none}._description_150k7_8{max-width:70ch;margin-top:18px;line-height:2}._detailActions_150k7_8{flex-wrap:wrap;gap:12px;margin-top:22px;display:flex}._primary_150k7_8,._secondary_150k7_8{border-radius:9px;justify-content:center;align-items:center;gap:12px;min-height:46px;padding:10px 17px;font-size:.9375rem;font-weight:750;display:inline-flex}._primary_150k7_8{background:var(--portal-accent);color:var(--portal-on-accent)}._primary_150k7_8:hover{filter:brightness(.93)}._secondary_150k7_8{color:var(--portal-ink);border:1px solid var(--portal-line);background:var(--portal-surface)}._secondary_150k7_8:hover{background:var(--portal-bg)}._chapters_150k7_9{border-top:1px solid var(--portal-line);margin-top:28px;padding-top:23px}._chapters_150k7_9 h4{margin-bottom:12px;font-size:1.0625rem;font-weight:800}._chapters_150k7_9 ol{color:var(--portal-ink);grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 30px;padding-inline-start:24px;line-height:1.9;list-style:decimal;display:grid}._chapters_150k7_9 li{padding-inline-start:5px}._chapters_150k7_9 li::marker{color:var(--portal-muted);font-variant-numeric:tabular-nums}._notice_150k7_9{color:var(--portal-muted);max-width:75ch;margin-top:23px;font-size:.9375rem;line-height:2}._empty_150k7_10{padding:35px 0;line-height:1.9}._empty_150k7_10 h3{font-size:1.25rem;font-weight:750}._empty_150k7_10 p{color:var(--portal-muted);margin:10px 0 18px}._empty_150k7_10 button{border:1px solid var(--portal-line);min-height:44px;color:var(--portal-ink);background:var(--portal-surface);cursor:pointer;border-radius:9px;padding:10px 16px}._directory_150k7_1 :is(button,a):focus-visible{outline:2px solid var(--portal-accent);outline-offset:3px}@media (max-width:1000px){._contextRail_150k7_3{grid-template-columns:repeat(2,minmax(0,1fr))}._workspace_150k7_7{grid-template-columns:210px minmax(0,1fr);gap:22px}._chapters_150k7_9 ol{grid-template-columns:1fr}}@media (max-width:700px){._heading_150k7_2{margin-bottom:20px}._contextRail_150k7_3{gap:16px}._version_150k7_6{flex-direction:row;order:4;grid-column:1/-1;align-items:center;gap:12px}._version_150k7_6 strong{min-height:24px}._search_150k7_5{grid-column:1/-1}._workspace_150k7_7{grid-template-columns:1fr;gap:18px}._subjectList_150k7_7{display:none}._mobileChoice_150k7_7{display:flex}._contextSummary_150k7_7{flex-flow:wrap;justify-content:space-between;margin-bottom:12px}._detail_150k7_8{padding:22px 19px}._detailActions_150k7_8{gap:10px}._primary_150k7_8,._secondary_150k7_8{white-space:nowrap;flex:1;font-size:.875rem}._chapters_150k7_9{margin-top:23px}}@media (prefers-reduced-motion:reduce){._subjectList_150k7_7 button{transition:none}}._directory_150k7_1 ._field_150k7_4 :is(select,input){color:var(--portal-ink)!important;box-shadow:none!important;background:0 0!important}._directory_150k7_1 ._field_150k7_4 select{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html.dark ._directory_150k7_1 ._field_150k7_4 select{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}