/* Full viewport concept canvas: native text, measured connectors, no image slices. */
.mm-lightbox{position:fixed;inset:0;z-index:20000;width:100%;height:100dvh;display:grid;grid-template-rows:auto auto auto minmax(0,1fr);align-items:stretch;justify-content:stretch;padding:0;background:#f5f8fb;backdrop-filter:none;overflow:hidden;font-family:Outfit,system-ui,sans-serif;color:#173452}
.mm-lightbox *{box-sizing:border-box;text-transform:none}
.mm-institution-logo{display:block;width:66px;height:56px;object-fit:contain}
.mm-visual-toggle{border:1px solid #aac9dc;border-radius:8px;background:white;color:#173452;padding:8px 12px;font:600 12px Outfit,system-ui,sans-serif;cursor:pointer}
.mm-visual-toggle[hidden]{display:none}
.mm-illustrated-panel{display:none;width:max-content;min-width:100%;min-height:100%;align-items:center;justify-content:center}
.mm-illustrated-panel img{display:block;max-width:none;height:auto;flex:none;box-shadow:0 8px 30px #18344b1f}
.mm-show-illustrated #mm-map-space{display:none}
.mm-show-illustrated .mm-illustrated-panel{display:flex}
.mm-show-illustrated .mm-branch-count,.mm-show-illustrated .mm-branch-all{display:none}
.mm-lightbox.hidden,body.login-active .mm-lightbox{display:none!important}
.mm-lb-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;padding:14px 28px;background:#102641;border-bottom:1px solid #29405a;color:#fff}
.mm-lb-heading{min-width:0;display:flex;align-items:center;gap:16px}
.mm-lb-heading .mm-lb-materia{position:static;display:inline-block;margin:0;background:#ff9726;border:0;padding:5px 10px;border-radius:6px;font-size:12px;font-weight:700;white-space:nowrap;color:#fff}
.mm-lb-heading .mm-lb-title{margin:0;max-width:none;color:#fff;font-size:18px;font-weight:600;line-height:1.25;white-space:normal}
.mm-lb-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.mm-lb-actions .mm-lb-download{position:static;display:flex;align-items:center;gap:9px;border:0;border-radius:10px;padding:11px 16px;background:#ffc14b;color:#143253;font:700 13px Outfit,system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.mm-lb-actions .mm-lb-download:disabled{opacity:.45;cursor:wait}
.mm-lb-actions .mm-lb-close{position:static;display:grid;place-items:center;flex:none;width:38px;height:38px;border:1px solid #41546c;border-radius:50%;background:#263c55;color:#fff;font:400 25px/1 Arial,sans-serif;cursor:pointer}
.mm-branch-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:8px 28px;background:#fff;border-bottom:1px solid #e1eaf1;color:#657b90}
.mm-tool-group{display:flex;align-items:center;gap:5px;margin-right:auto}
.mm-tool-group button,.mm-branch-all,#mm-tools-toggle{min-height:34px;border:1px solid #d7e3ed;border-radius:8px;background:#fff;color:#244766;padding:6px 12px;font:600 12px Outfit,system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.mm-tool-group button:hover,.mm-branch-all:hover{background:#edf5fa;border-color:#adc9dc}
.mm-tool-group #mm-zoom-in,.mm-tool-group #mm-zoom-out{width:34px;padding:0;font-size:19px}
#mm-zoom-value{width:43px;text-align:center;font-size:12px;font-weight:600;color:#547089;font-variant-numeric:tabular-nums}
.mm-branch-count{margin-right:10px;font-size:12px;white-space:nowrap}
#mm-tools-toggle,.mm-branch-shortcuts{display:none}
.mm-lb-toolbar{grid-row:1}.mm-branch-bar{grid-row:2}.mm-branch-shortcuts{grid-row:3}
.mm-lb-stage{grid-row:4;position:relative;display:block;min-height:0;padding:24px;overflow:auto;background-color:#f5f8fb;background-image:radial-gradient(#a8c5d347 .8px,transparent .8px);background-size:22px 22px;overscroll-behavior:contain;cursor:grab;touch-action:pan-x pan-y}
.mm-lb-stage.is-panning{cursor:grabbing;user-select:none}
#mm-map-space{position:relative;margin:auto;min-width:0;min-height:0}
.mm-tree.mm-concept-map{position:absolute;left:0;top:0;display:grid;grid-template-columns:minmax(0,1fr) 232px minmax(0,1fr);grid-template-rows:repeat(3,minmax(160px,auto));gap:24px 36px;min-height:580px;padding:26px 20px;width:1360px;height:auto;max-width:none;transform-origin:top left;isolation:isolate}
.mm-concept-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.mm-concept-lines path{fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.55}
.mm-concept-watermark{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:95%;text-align:center;white-space:nowrap;pointer-events:none;user-select:none;font:800 85px/1 Outfit,system-ui,sans-serif;letter-spacing:3px;color:#21446a08;z-index:-1}
.mm-concept-root{grid-column:2;grid-row:1/4;align-self:center;position:relative;display:grid;justify-items:center;gap:10px;padding:24px 17px;border:1px solid #bbd5e5;border-radius:18px;background:linear-gradient(160deg,#fff,#eaf4fb);box-shadow:0 8px 24px #284a6b0d;z-index:1}
.mm-concept-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#dcecf7;color:#1b719e}
.mm-concept-icon svg{width:31px;height:31px}
.mm-concept-kicker{font-size:9px;letter-spacing:1.8px;font-weight:700;color:#648ba6}
.mm-concept-title{font-size:21px;font-weight:700;line-height:1.22;text-align:center;color:#173856}
.mm-concept-group{position:relative;display:flex;align-items:center;justify-content:flex-start;gap:28px;min-width:0;z-index:1}
.mm-concept-group[data-branch="0"],.mm-concept-group[data-branch="2"],.mm-concept-group[data-branch="4"]{grid-column:1;flex-direction:row-reverse}
.mm-concept-group[data-branch="1"],.mm-concept-group[data-branch="3"],.mm-concept-group[data-branch="5"]{grid-column:3}
.mm-concept-group[data-branch="0"],.mm-concept-group[data-branch="1"]{grid-row:1}
.mm-concept-group[data-branch="2"],.mm-concept-group[data-branch="3"]{grid-row:2}
.mm-concept-group[data-branch="4"],.mm-concept-group[data-branch="5"]{grid-row:3}
.mm-concept-branch{position:relative;display:flex;align-items:center;gap:9px;flex:0 0 184px;min-height:57px;padding:12px 10px;border:1px solid color-mix(in srgb,var(--branch-color) 45%,white);border-left:3px solid var(--branch-color);border-radius:10px;background:color-mix(in srgb,var(--branch-color) 5%,white);color:#193c57;box-shadow:0 3px 10px #23425c08;text-align:left;font:600 15px/1.25 Outfit,system-ui,sans-serif;cursor:pointer}
.mm-node-number{display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:7px;background:var(--branch-color);color:#fff;font-size:11px;font-weight:700}
.mm-node-label{flex:1;min-width:0}
.mm-node-toggle{flex:0 0 16px;text-align:center;font:600 19px/1 Arial,sans-serif;color:var(--branch-color)}
.mm-concept-children{display:flex;flex:1;min-width:0;flex-direction:column;gap:9px}
.mm-concept-children[hidden]{display:none}
.mm-concept-leaf{display:block;width:100%;min-height:43px;padding:11px 12px;border:1px solid #dbe6ee;border-radius:8px;background:#fff;box-shadow:0 2px 5px #24425a03;color:#35536b;text-align:left;font:500 13px/1.35 Outfit,system-ui,sans-serif;cursor:pointer}
.mm-leaf-heading{display:flex;align-items:center;gap:8px}
.mm-leaf-heading strong{flex:1;font-weight:500}
.mm-leaf-dot{width:5px;height:5px;flex:0 0 5px;border-radius:50%;background:var(--branch-color);opacity:.7}
.mm-leaf-toggle{font:400 15px/1 Arial,sans-serif;color:#8ba1b3}
.mm-leaf-explanation{display:block;padding:9px 0 0 13px;color:#657b8e;font-size:12px;line-height:1.5}
.mm-leaf-explanation[hidden]{display:none}
.mm-concept-leaf.is-expanded{border-color:color-mix(in srgb,var(--branch-color) 45%,white)}
.mm-concept-leaf.is-expanded .mm-leaf-heading strong{color:#1b3d58;font-weight:600}
.mm-lightbox button:focus-visible{outline:3px solid #ffa832;outline-offset:3px}
.mm-lb-status{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);padding:6px 12px;margin:0;border-radius:8px;background:#fff;color:#536a80;font-size:12px;box-shadow:0 2px 12px #14325314;pointer-events:none}
.mm-lb-status:empty{display:none}
.mm-card-watermark,.mm-unlock-watermark{position:absolute;top:50%;left:50%;width:95%;transform:translate(-50%,-50%);text-align:center;white-space:nowrap;color:#14315314;font-size:clamp(.65rem,1.1vw,1rem);font-weight:800;letter-spacing:.025em;pointer-events:none;z-index:2}
.mm-card-thumb .mm-preview-scrim{z-index:3}
@media(max-width:1100px){
 .mm-lb-toolbar{min-height:68px;padding:11px 14px;gap:10px;align-items:center}
 .mm-lb-heading{display:block;min-width:0}
 .mm-lb-heading .mm-lb-materia{padding:0;background:none;color:#ffc14b;font-size:10px;margin-bottom:4px}
 .mm-lb-heading .mm-lb-title{font-size:14px;line-height:1.2;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .mm-lb-actions{gap:8px}
 .mm-lb-actions .mm-lb-download{width:34px;height:34px;padding:0;display:grid;place-items:center;border-radius:8px;background:#ffc14b}
 .mm-lb-actions .mm-lb-download span{display:none}
 .mm-lb-actions .mm-lb-close{width:32px;height:32px;font-size:23px}
 .mm-branch-bar{position:relative;min-height:44px;padding:5px 14px;gap:8px;flex-wrap:wrap;justify-content:flex-start}
 #mm-tools-toggle{display:flex;align-items:center;gap:8px;margin-left:auto;border:0;padding:5px 0;font-size:11px;background:none}
 .mm-branch-count{order:-1;margin-right:auto;font-size:11px}
 .mm-tool-group,.mm-branch-all{display:none}
 .mm-branch-bar.is-expanded .mm-tool-group{display:flex;order:2;width:100%;gap:4px;justify-content:center;margin:0}
 .mm-branch-bar.is-expanded .mm-branch-all{display:block;order:3;flex:1}
 .mm-tool-group button{padding:5px 7px;font-size:11px;min-height:34px}
 .mm-tool-group #mm-zoom-in,.mm-tool-group #mm-zoom-out{width:34px}
 .mm-branch-bar .mm-tool-group{display:flex;order:2;width:100%;gap:4px;justify-content:center;margin:0}
 .mm-lb-stage{padding:18px 16px 30px;background-size:22px 22px}

}
@media(prefers-reduced-motion:reduce){.mm-lightbox *{scroll-behavior:auto}}

/* Detailed topics keep the platform's branch layout and progressive disclosure. */
.mm-root-anatomy{display:block;width:100%;height:auto;border-radius:6px}
.mm-detail-group{min-width:0}
.mm-detail-nodes{display:flex;flex-direction:column;gap:9px;margin:10px 0 4px 10px;padding-left:12px;border-left:2px solid color-mix(in srgb,var(--branch-color) 30%,white)}
.mm-detail-nodes[hidden]{display:none}
.mm-detail-nodes>.mm-concept-leaf{position:relative}
.mm-detail-nodes>.mm-concept-leaf:before{content:'';position:absolute;left:-14px;top:21px;width:13px;border-top:2px solid color-mix(in srgb,var(--branch-color) 30%,white)}
.mm-detail-note{font-size:11px}


.mm-card-access{display:inline-flex;align-items:center;gap:5px;margin-left:8px;font-size:10px;font-weight:600;color:#74612c;background:#fff6db;border-radius:20px;padding:3px 8px}.mm-card-access .fa-lock{font-size:9px}
.mm-practice{display:none;width:min(840px,100%);margin:0 auto;padding:24px;box-sizing:border-box;border-radius:20px;background:#fff;color:#173452;cursor:auto;line-height:1.6;font-family:Outfit,system-ui,sans-serif;overflow-wrap:anywhere}
.mm-show-practice #mm-map-space,.mm-show-practice .mm-illustrated-panel{display:none!important}
.mm-show-practice .mm-practice{display:block}
.mm-show-practice .mm-lb-stage{cursor:auto}
.mm-show-practice .mm-branch-bar,.mm-show-practice .mm-branch-shortcuts{display:none}
.mm-show-practice{grid-template-rows:auto 0 0 minmax(0,1fr)}
.mm-practice h2{font-size:26px;margin:0 0 12px}.mm-practice h3{margin:28px 0 14px}.mm-practice h4{font-size:17px;margin:0 0 12px}
.mm-practice-card,.mm-practice-question{padding:16px;border:1px solid #c8dce7;border-radius:12px;margin:12px 0;background:#f8fbfd}
.mm-practice summary{font-weight:600;cursor:pointer;min-height:32px}.mm-practice p{margin:12px 0}.mm-practice small{color:#526879}
.mm-practice-option,.mm-practice-back{font:inherit;cursor:pointer;border:1px solid #adc8d9;border-radius:8px;padding:12px;background:white;color:#173452;white-space:normal;text-align:left}
.mm-practice-option{display:block;width:100%;margin:8px 0}.mm-practice-option:disabled{opacity:1;cursor:default}.mm-practice-option.is-correct{border-color:#14864b;background:#e1f6e9}.mm-practice-option.is-wrong{border-color:#bd5151;background:#fceaea}
.mm-practice-source{border-top:1px solid #c8dce7;padding-top:16px}.mm-practice-feedback:empty{display:none}
@media(max-width:600px){.mm-practice{padding:16px}.mm-practice h2{font-size:22px}.mm-practice-card,.mm-practice-question{padding:12px}}

.mm-leaf-source{display:block;margin-top:10px;font-size:.76rem;line-height:1.4;color:#53718d;font-weight:500}