.atlas{--atlas-accent:#986648;--atlas-soft:#eee1d0;color:#363e3d}.atlas-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #e3e1d6;padding-bottom:24px}.atlas-heading h1{font-family:Georgia,serif;font-weight:400;font-size:2.65rem;letter-spacing:-1px;margin:14px 0 12px;color:#313d3d}.atlas-heading p{font-size:.92rem;color:#7b827e}.atlas-heading .eyebrow{color:var(--atlas-accent);font-size:.66rem}.atlas-mark{width:64px;height:64px;flex:none;display:grid;place-items:center;font-family:Georgia,serif;font-size:2.5rem;background:var(--atlas-soft);color:var(--atlas-accent);border-radius:22px;transform:rotate(-8deg)}.atlas-subjects{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:18px 0 10px}.atlas-subjects button,.atlas-tabs button{border-color:transparent;background:transparent;color:#737b76;font-size:.85rem}.atlas-subjects button.selected,.atlas-tabs button.selected{background:var(--atlas-soft);color:var(--atlas-accent);border-color:var(--atlas-soft)}.atlas-subjects select{width:auto;max-width:260px;flex:0 1 240px;font-size:.8rem;background:transparent}.atlas-provenance{display:flex;align-items:flex-start;gap:10px;background:#eeeee6;border:1px solid #e5e4d9;border-radius:10px;padding:12px 15px;margin:8px 0 24px;font-size:.76rem;color:#697366}.atlas-provenance svg{flex:none;margin-top:2px}.atlas-layout{display:grid;grid-template-columns:200px minmax(0,1fr) 255px;gap:22px;align-items:start}.atlas-layout>*{min-width:0}.atlas-column-heading small{font-size:.6rem;letter-spacing:1.5px;color:#8b8f83;font-weight:600}.atlas-column-heading h2{font-family:Georgia,serif;font-weight:400;letter-spacing:-.45px;color:#3b4640;font-size:1.38rem;line-height:1.27;margin:12px 0 9px}.atlas-column-heading p{font-size:.76rem;color:#82887f;line-height:1.65}.atlas-controls{padding:9px 17px 20px 0;border-right:1px solid #e0e2d7}.atlas-controls label{font-size:.73rem;font-weight:600;color:#5e6a5f;margin:22px 0 9px}.atlas-controls select{font-size:.76rem;padding:10px 9px;line-height:1.5;background:#fffefb;border-color:#dedfd4;min-height:44px;white-space:normal}.atlas-slider{border-top:1px solid #e5e4d9;margin-top:22px}.atlas-slider label{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.atlas-slider output{color:var(--atlas-accent);font-size:.71rem;font-weight:700;text-align:right}.atlas-slider input[type=range]{accent-color:var(--atlas-accent);background:transparent;border:0;padding:0;min-height:35px;width:100%;cursor:pointer}.atlas-scale{display:flex;justify-content:space-between;gap:10px;font-size:.62rem;color:#93998f}.atlas-plain{border-color:transparent;background:transparent;font-size:.77rem;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--atlas-accent)}.atlas-controls>.atlas-plain{margin:20px auto 8px}.atlas-session{border-radius:15px;background:#f0eee4;border:1px solid #e5e0d1;padding:16px;margin-top:20px}.atlas-session .eyebrow{font-size:.56rem;letter-spacing:1px}.atlas-session strong{display:block;color:var(--atlas-accent);font-size:.9rem;margin:11px 0}.atlas-session p,.atlas-session #atlas-save-status{font-size:.7rem;color:#7f877b}.atlas-session button{width:100%;margin:16px 0 9px;font-size:.74rem;background:#fffdfa}.atlas-center{padding-top:9px;overflow:hidden}.atlas-center>.atlas-column-heading{text-align:center;min-height:117px;padding:0 12px}.atlas-center>.atlas-column-heading h2{font-size:1.6rem;line-height:1.18;max-width:620px;margin-left:auto;margin-right:auto}.atlas-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:3px;margin:14px 0}.atlas-tabs button{font-size:.72rem;padding:9px 10px;border-radius:8px;min-height:44px}.atlas-scene{border:1px solid #e6e4d9;border-radius:18px;background:#fffdf8;overflow:hidden;min-height:390px}.atlas-map-wrap{overflow-x:auto;overscroll-behavior-inline:contain}.atlas-map-wrap svg{display:block;width:100%;min-width:480px;height:auto}.atlas-link{stroke:var(--atlas-accent);stroke-width:1.4;fill:none;opacity:.25;stroke-dasharray:3 5}.atlas-link.active{stroke-width:2.2;opacity:.55;stroke-dasharray:none}.atlas-svg-eyebrow{font:600 10px "Segoe UI",sans-serif;letter-spacing:3px;fill:var(--atlas-accent)}.atlas-node{cursor:pointer;outline:none}.atlas-node rect{fill:#fffefb;stroke:#dedfd1;stroke-width:1.2}.atlas-node circle{fill:var(--atlas-soft)}.atlas-node.selected rect{fill:var(--atlas-soft);stroke:var(--atlas-accent);stroke-width:2}.atlas-node:hover rect,.atlas-node:focus rect{stroke:var(--atlas-accent);stroke-width:3}.atlas-node.selected circle{fill:var(--atlas-accent)}.atlas-node-num{font:600 11px "Segoe UI",sans-serif;fill:var(--atlas-accent)}.atlas-node.selected .atlas-node-num{fill:white}.atlas-node-text{font:500 13px "Segoe UI",sans-serif;fill:#4b554b}.atlas-core-object{filter:drop-shadow(0 14px 15px 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h3{font-size:.87rem;line-height:1.6;font-weight:600;color:#495648}.atlas-number{background:var(--atlas-soft);color:var(--atlas-accent);height:34px;min-width:34px;border-radius:50%;display:grid;place-items:center;font-size:.85rem;font-family:Georgia,serif}.atlas-answer{padding:15px;background:#fffef9;border:1px solid #e5e4d7;border-radius:12px;font-size:.82rem;line-height:1.75;color:#747d70;max-height:460px;overflow-y:auto;overflow-wrap:anywhere}.atlas-answer .prose{font-size:.8rem;color:#53604f}.atlas-kicker{font-size:.6rem;letter-spacing:1px;color:var(--atlas-accent);font-weight:650}.atlas-answer .atlas-kicker{display:block;margin-bottom:11px}.atlas-reveal{background:var(--atlas-accent);color:white;border-color:var(--atlas-accent);width:100%;margin-top:13px;border-radius:10px;font-size:.8rem}.atlas-reveal:hover{background:var(--atlas-accent);color:white;filter:brightness(1.08)}.atlas-inspector .atlas-plain{width:100%;margin-top:6px;line-height:1.5}.atlas-evidence{margin-top:14px;border-bottom:1px solid #e1e1d5;padding-bottom:20px;font-size:.72rem;color:#8b9286}.atlas-evidence summary{min-height:44px;padding:12px 0;cursor:pointer}.atlas-evidence p{margin:12px 0}.atlas-evidence small{font-size:.7rem}.atlas-conversation{margin-top:23px;padding:18px 14px;background:var(--atlas-soft);border:1px solid #fff8;border-radius:14px}.atlas-conversation strong{font-family:Georgia,serif;font-size:1.12rem;font-weight:400;color:#465242}.atlas-conversation p{font-size:.72rem;color:#77806f;margin:11px 0 16px}.atlas-conversation .primary{font-size:.73rem;width:100%;padding:10px;background:var(--atlas-accent);border-color:var(--atlas-accent)}.atlas-companion{font-size:1.4rem;color:var(--atlas-accent)}.atlas-anatomy,.atlas-challenge,.atlas-compare{padding:26px 22px;overflow-wrap:anywhere}.atlas-anatomy h3,.atlas-challenge h3{font-family:Georgia,serif;font-size:1.45rem;font-weight:400;line-height:1.4;color:#42513f;margin:15px 0 20px}.atlas-spine{position:relative}.atlas-spine:before{content:'';position:absolute;top:20px;bottom:20px;left:19px;width:2px;background:var(--atlas-soft)}.atlas-tissue{display:flex;align-items:flex-start;gap:16px;margin:25px 0;position:relative}.atlas-tissue-no{background:var(--atlas-soft);border:4px solid #fffdf8;color:var(--atlas-accent);font-size:.8rem;min-width:40px;height:40px;border-radius:50%;display:grid;place-items:center}.atlas-tissue>div{flex:1;min-width:0;border:1px solid #e4e1d4;padding:17px;border-radius:12px;background:#fffefb}.atlas-tissue h4{font-size:.77rem;font-weight:600;margin-bottom:13px;color:#7d8875}.atlas-tissue .prose{font-size:.86rem}.atlas-tissue button{margin-top:12px;font-size:.74rem}.atlas-concealed{color:#a1a798}.atlas-compare label{font-size:.76rem;margin-top:0}.atlas-compare select{font-size:.82rem}.atlas-compare-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}.atlas-compare-columns article{padding:15px 12px;background:#f8f6ef;border:1px solid #e4e1d5;border-radius:12px}.atlas-compare-columns h3{font-size:.9rem;line-height:1.55;margin:14px 0 18px}.atlas-compare-columns .prose{font-size:.78rem}.atlas-common{border-top:1px solid #e5e2d6;padding-top:16px}.atlas-common h4{font-size:.82rem;color:#64715f;margin-bottom:13px}.atlas-common span{display:inline-block;padding:5px 10px;background:var(--atlas-soft);color:var(--atlas-accent);border-radius:6px;font-size:.7rem;margin:0 5px 7px 0}.atlas-common small{display:block;font-size:.69rem;margin-top:7px}.atlas-common p{font-size:.76rem;color:#959e8e}.atlas-challenge>p{font-size:.82rem;color:#808978;margin-bottom:19px}.atlas-build-zone{min-height:145px;border:2px dashed var(--atlas-accent);border-radius:16px;background:var(--atlas-soft);padding:17px;transition:background .12s}.atlas-build-zone:focus-within{outline:3px solid var(--atlas-accent)}#atlas-built{display:flex;flex-wrap:wrap;gap:8px}.atlas-drop-hint{text-align:center;margin:25px auto;color:var(--atlas-accent);font-size:.82rem;line-height:1.8}.atlas-piece-pool{display:flex;flex-wrap:wrap;gap:9px;min-height:70px;margin:20px 0}.atlas-piece-pool button,#atlas-built button{font-size:.78rem;font-weight:500;line-height:1.7;padding:10px 14px;border-radius:9px;text-align:left;max-width:100%;white-space:normal;overflow-wrap:anywhere}.atlas-piece-pool button{box-shadow:0 3px 0 #dad7c8;cursor:grab}.atlas-piece-pool button:active{cursor:grabbing}#atlas-built button{background:#fffefb;border-color:#c3c7b4}#atlas-built small{margin-right:9px;display:inline-block;color:var(--atlas-accent);font-weight:650}.atlas-challenge .row button{font-size:.77rem}.atlas-feedback{background:#f5ead4;padding:17px;border-left:3px solid #b9904d;border-radius:0 10px 10px 0;font-size:.8rem;line-height:1.7;margin:20px 0}.atlas-feedback.success{background:#e6efdf;border-color:#7a9a5e}.atlas-feedback p{margin:10px 0}.atlas-feedback button{margin-top:12px;font-size:.79rem}.atlas-challenge>small{display:block;margin-top:18px;font-size:.67rem;color:#8e9784}.atlas-reflection{border-top:1px solid #e5e2d6;margin-top:25px;font-size:.78rem}.atlas-reflection summary{min-height:44px;padding:14px 0;cursor:pointer}.atlas-reflection textarea{font-size:.82rem}.atlas-reflection small{display:block;font-size:.65rem;margin-top:8px}.atlas button:focus-visible,.atlas select:focus-visible,.atlas input:focus-visible{outline-color:var(--atlas-accent)}
@media(min-width:1700px){.atlas-layout{grid-template-columns:230px minmax(0,1fr) 300px;gap:28px}.atlas-center>.atlas-column-heading h2{font-size:1.95rem}.atlas-column-heading h2{font-size:1.55rem}.atlas-map-wrap svg{max-height:650px}}
@media(max-width:1330px){.atlas-layout{grid-template-columns:205px minmax(0,1fr)}.atlas-inspector{grid-column:1/-1;border-left:0;border-top:1px solid #e1e3d8;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) 235px;gap:22px;padding-top:25px;padding-left:0}.atlas-conversation{margin-top:0}.atlas-focus-title{margin-top:0}.atlas-answer{max-height:350px}.atlas-center>.atlas-column-heading{min-height:100px}}
@media(max-width:900px){.atlas-layout{grid-template-columns:minmax(0,1fr)}.atlas-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px;border-right:0;border-bottom:1px solid #e2e1d8;padding:0 0 22px}.atlas-controls>.atlas-column-heading,.atlas-controls>.atlas-session,.atlas-controls>.atlas-plain{grid-column:1/-1}.atlas-controls>label{margin:5px 0;align-self:center}.atlas-slider{margin-top:3px;padding-top:6px}.atlas-slider label{margin:6px 0}.atlas-session{margin-top:8px;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.atlas-session button{margin:0;width:auto}.atlas-session .eyebrow{display:none}.atlas-session strong{margin:0}.atlas-session p{max-width:210px}.atlas-inspector{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.atlas-inspector>.atlas-column-heading{grid-column:1/-1}.atlas-heading h1{font-size:2.2rem}.atlas-mark{width:48px;height:48px;font-size:2rem}.atlas-map-wrap svg{min-width:550px}}
@media(max-width:580px){.atlas-heading{gap:10px}.atlas-heading h1{font-size:1.95rem;line-height:1.1}.atlas-heading p{font-size:.82rem}.atlas-mark{display:none}.atlas-subjects{gap:4px}.atlas-subjects button{padding:8px 13px;font-size:.8rem}.atlas-subjects select{flex-basis:100%;max-width:none;margin-top:6px}.atlas-provenance{font-size:.7rem;padding:12px}.atlas-controls{gap:12px}.atlas-slider label{font-size:.7rem;flex-wrap:wrap}.atlas-slider input{min-height:44px}.atlas-scale{font-size:.57rem}.atlas-center>.atlas-column-heading{padding:0}.atlas-center>.atlas-column-heading h2{font-size:1.65rem}.atlas-tabs{gap:2px}.atlas-tabs button{padding:8px;font-size:.71rem;flex:1}.atlas-inspector{grid-template-columns:minmax(0,1fr);gap:15px}.atlas-answer{max-height:none}.atlas-stepper button{padding:8px 10px;font-size:.72rem}.atlas-anatomy,.atlas-challenge,.atlas-compare{padding:20px 15px}.atlas-compare-columns{grid-template-columns:minmax(0,1fr)}.atlas-tissue{gap:7px}.atlas-tissue>div{padding:13px}.atlas-tissue-no{min-width:32px;width:32px;height:32px}.atlas-spine:before{left:15px}.atlas-challenge h3{font-size:1.25rem}.atlas-build-zone{padding:12px}.atlas-reflection textarea{min-height:130px}.atlas-map-wrap{scrollbar-width:thin}.atlas-map-key{font-size:.6rem}.atlas-session #atlas-save-status{width:100%}}
@media(prefers-reduced-motion:reduce){.atlas *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.atlas-config-toggle{display:none}
.atlas-slider input:disabled{opacity:.4;cursor:default}
@media(max-width:900px){.atlas-controls>.atlas-config-toggle{display:block;grid-column:1/-1;background:var(--atlas-soft);border-color:transparent;color:var(--atlas-accent);text-align:left;font-size:.8rem}.atlas-controls.collapsed>:not(.atlas-config-toggle){display:none}.atlas-controls.collapsed{padding-bottom:12px;border:0}}