.fx-wrap{display:grid;gap:24px;padding-bottom:44px}.fx-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center}.fx-hero h1{max-width:780px}.fx-hero-art{border:1px solid var(--topic-color);border-radius:24px;padding:26px;background:var(--cf-12242d)}.fx-hero-art svg{display:block;width:100%;height:auto;color:var(--topic-color)}.fx-hero-art p{margin-bottom:0;text-align:center}.fx-chapters{display:flex;flex-wrap:wrap;gap:10px;padding-block:0 25px}.fx-chapters a{padding:8px 13px;border:1px solid var(--cr-3b5360);border-radius:10px;color:var(--topic-color);text-decoration:none}.fx-wrap .wk-panel{scroll-margin-top:95px}.fx-wrap h2{margin-top:0}.fx-wrap h3{margin-top:20px}.fx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.fx-grid>article{padding:20px;border:1px solid var(--cr-3b5360);border-radius:16px;background:var(--cf-102029)}.fx-grid h3{margin-top:0;color:var(--topic-color)}.fx-grid p:last-child{margin-bottom:0}.fx-layout{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.3fr);gap:28px;align-items:start}.fx-controls{display:grid;gap:16px}.fx-controls label{display:grid;gap:7px}.fx-controls input:not([type=checkbox]),.fx-controls select,.fx-case-select{width:100%;min-height:44px;border-radius:9px;border:1px solid var(--cr-5c7788);background:var(--cf-0c1b24);color:var(--ct-e8f3f8);padding:10px;font:inherit;box-sizing:border-box}.fx-controls .fx-check{display:flex;gap:10px;align-items:center}.fx-controls input[type=checkbox]{width:20px;height:20px;accent-color:var(--topic-color)}.fx-controls output{color:var(--topic-color);font-weight:700}.fx-wrap .wk-btn{min-height:44px;white-space:normal}.fx-wrap .wk-btn:focus-visible,.fx-chapters a:focus-visible,.fx-wrap summary:focus-visible{outline:3px solid var(--topic-color);outline-offset:4px}.fx-status{padding:16px 18px;background:var(--cf-0a1922);border-left:3px solid var(--topic-color);border-radius:6px;min-height:3em}.fx-status:empty{display:none}.fx-error{color:var(--ct-ffd2cc);border-color:var(--cr-f3a6a0)}.fx-note{font-size:.92rem;color:var(--ct-bed0da)}.fx-formula{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;color:var(--topic-color)}.fx-diagram{width:100%;height:auto;display:block;color:var(--topic-color)}.fx-diagram text{fill:var(--ct-d7e8ee);font:16px system-ui,sans-serif}.fx-diagram .fx-small{font-size:13px}.fx-diagram .fx-part{fill:var(--ct-18323d);stroke:var(--ct-7895a5);stroke-width:2}.fx-diagram .fx-wire{fill:none;stroke:var(--ct-536f7f);stroke-width:4}.fx-diagram .is-on{stroke:var(--topic-color);filter:drop-shadow(0 0 3px var(--topic-color))}.fx-diagram .fx-part.is-on{fill:var(--ct-204652)}.fx-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-block:16px}.fx-metrics>div{flex:1 1 135px;border:1px solid var(--cr-3b5360);border-radius:12px;padding:12px}.fx-metrics span,.fx-metrics strong{display:block}.fx-metrics strong{font-size:1.25rem;color:var(--topic-color);margin-top:5px}.fx-table-wrap{overflow-x:auto;border:1px solid var(--cr-3b5360);border-radius:12px}.fx-wrap table{width:100%;border-collapse:collapse}.fx-wrap caption{text-align:left;padding:12px;font-weight:700}.fx-wrap th,.fx-wrap td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--cr-314956);vertical-align:top}.fx-wrap th{color:var(--ct-e4f2f6);background:var(--cf-162a35)}.fx-wrap tr:last-child td{border-bottom:0}.fx-wrap details{margin-top:16px;border-top:1px solid var(--cr-3b5360);padding-top:14px}.fx-wrap summary{cursor:pointer;color:var(--topic-color);font-weight:700}.fx-objective{margin-bottom:0}.fx-internal{display:flex;flex-wrap:wrap;gap:12px 24px}.fx-model [disabled]{opacity:.55;cursor:not-allowed}.fx-case{margin-block:18px}.fx-hidden{display:none!important}.fx-quiz-note{margin-bottom:0}.fx-legend{display:flex;flex-wrap:wrap;gap:18px}.fx-legend span:before{content:'';display:inline-block;width:22px;border-top:3px solid var(--topic-color);vertical-align:middle;margin-right:8px}.fx-legend span:nth-child(2):before{border-top:3px dashed var(--cr-e8d1a2)}.fx-count{color:var(--topic-color);font-weight:700}.fx-rule{padding:15px 18px;border-left:3px solid var(--topic-color);background:var(--cf-132933);border-radius:4px}.fx-paper dl{display:grid;grid-template-columns:minmax(150px,.7fr) 1.6fr;gap:8px 16px}.fx-paper dt{font-weight:700}.fx-paper dd{margin:0}.fx-case-feedback a{display:block;margin-top:12px}.fx-case-feedback{scroll-margin-top:110px}
@media(max-width:900px){.fx-hero,.fx-layout{grid-template-columns:1fr}.fx-hero-art{max-width:550px}.fx-grid{grid-template-columns:1fr}.fx-hero{gap:18px}.fx-wrap .wk-panel{padding:22px}}
@media(max-width:500px){.fx-hero-art{padding:15px}.fx-wrap .wk-panel{padding:17px}.fx-wrap{gap:16px}.fx-paper dl{grid-template-columns:1fr}.fx-paper dd{margin-bottom:8px}.fx-chapters{gap:8px}.fx-chapters a{font-size:.9rem}.fx-wrap th,.fx-wrap td{padding:10px}.fx-wrap .wk-actions>*{flex:1 1 150px}}
@media(prefers-reduced-motion:reduce){.fx-wrap *{scroll-behavior:auto;transition:none!important}}

.fx-diagram-scroll{max-width:100%;overflow-x:auto}.fx-diagram-scroll:focus-visible{outline:2px solid var(--topic-color);outline-offset:2px}.fx-scroll-note{display:none}.fx-hero h1{hyphens:manual;word-break:normal}
@media(max-width:600px){.fx-model .fx-diagram{min-width:480px}.fx-scroll-note{display:block;font-size:.85rem;color:var(--ct-bed0da)}}
.fx-layout>*{min-width:0}.fx-hero>*{min-width:0}