.symmetry-section h2{font-size:42px}.symmetry-lab{border:1px solid var(--line);border-radius:4px;overflow:hidden}.symmetry-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 26px;gap:28px;background:#fcfcfc}.symmetry-tabs button{padding:17px 0;background:none;border:0;border-bottom:2px solid transparent;font:14px Georgia,serif;color:#888}.symmetry-tabs button[aria-pressed=true]{color:#222;border-color:#222}.symmetry-stage{display:grid;grid-template-columns:1fr 1.35fr;min-height:395px}.dynkin-side{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:25px 12px}.math-caption{font:19px Georgia,serif;letter-spacing:.025em}.dynkin-side .math-caption{align-self:flex-start;margin-left:14px}.math-formula{font:15px Georgia,serif;text-align:center;min-height:28px;padding:4px 0}#dynkin-figure{width:100%;height:280px;overflow:visible}#dynkin-figure line,#dynkin-figure path{fill:none;stroke:#a4aaa7;stroke-width:1.2}#dynkin-figure .dynkin-edge.active{stroke:#454f49;stroke-width:1.7}#dynkin-figure .dynkin-point circle{fill:#fff;stroke:#244d45;stroke-width:2}#dynkin-figure .dynkin-point text{font:13px Georgia,serif;fill:#333}#dynkin-figure .dynkin-point.outer circle{stroke:#aaa;stroke-width:1.3}#dynkin-figure .dynkin-point.outer text{fill:#999}#dynkin-figure .dynkin-point.core circle{fill:#244d45}#dynkin-figure .dynkin-point.colored circle{stroke:#a36347}#dynkin-figure .triality-arc{stroke:#a36347;stroke-dasharray:2 6;opacity:.5} .roots-side{position:relative;display:flex;flex-direction:column;align-items:center;padding:25px 24px 12px;min-width:0}.roots-heading{width:100%;display:flex;justify-content:space-between;align-items:baseline}#root-total{font:10px var(--sans);color:#888}#symmetry-cloud{width:100%;height:305px;overflow:visible}.cloud-link{stroke:#82968b;stroke-width:.7;opacity:.35;pointer-events:none}.cloud-root{cursor:pointer;outline:none}.cloud-root .hit{fill:transparent;stroke:none}.cloud-root .dot{fill:#426957;stroke:white;stroke-width:1}.cloud-root.short .dot{fill:#ac795a}.cloud-root.selected .dot{fill:#d38653;stroke:#7d4724;stroke-width:1.5}.cloud-root.orbit .dot{fill:#ba8965}.cloud-root:focus-visible .dot{stroke:#111;stroke-width:2.4}.cloud-root .ring{stroke:#ca9d76;fill:none;stroke-width:1;opacity:0}.cloud-root.selected .ring{opacity:.7}.root-selection{font:13px Georgia,serif;min-height:24px;color:#777}.symmetry-controls{border-top:1px solid var(--line);padding:17px 26px;display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:78px}#weyl-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}#weyl-actions button{border:1px solid #d9ddda;background:white;padding:8px 17px;min-width:52px;border-radius:3px;font:15px Georgia,serif;min-height:39px}#weyl-actions button:hover{background:#f1f5f1;border-color:#a5b6aa}#weyl-actions button:disabled{opacity:.45}.symmetry-reset{border:0;background:none;font-size:23px;color:#777;padding:2px 8px}.symmetry-reset:hover{color:#222}.symmetry-tabs button:hover{color:#555}
@media(max-width:620px){.symmetry-section h2{font-size:34px}.symmetry-tabs{gap:0;justify-content:space-between;padding:0 15px}.symmetry-tabs button{font-size:12px;padding:16px 0}.symmetry-stage{grid-template-columns:1fr;min-height:0}.dynkin-side{padding:20px 12px 12px;border-right:0;border-bottom:1px solid var(--line)}#dynkin-figure{height:220px}.math-caption{font-size:17px}.roots-side{padding:20px 18px 12px}#symmetry-cloud{height:280px}.symmetry-controls{padding:16px;align-items:start}#weyl-actions{gap:8px}#weyl-actions button{padding:8px 13px;min-width:45px}.math-formula{font-size:13px}}
@media(prefers-reduced-motion:reduce){.symmetry-lab *{transition:none!important}}
@media print{.symmetry-controls,.symmetry-tabs{display:none}.symmetry-stage{min-height:0}}

/* A perspective view of a three-dimensional projection, with camera controls. */
#symmetry-cloud{height:330px;cursor:grab;touch-action:none;user-select:none;border-radius:50%;background:radial-gradient(ellipse at 50% 60%,#f3f6f240,transparent 70%)}
#symmetry-cloud.dragging,#symmetry-cloud.dragging .cloud-root{cursor:grabbing}
#symmetry-cloud:focus-visible{outline:1px solid #b3c3b7;outline-offset:3px}
.cloud-root .dot{fill:url(#root-sphere-green);stroke:#fff;stroke-width:.7}
.cloud-root.short .dot,.cloud-root.selected .dot,.cloud-root.orbit .dot{fill:url(#root-sphere-warm)}
.cloud-root.selected .dot{stroke:#774d30;stroke-width:1.2}
.cloud-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:30px}
.drag-hint{font:10px var(--sans);color:#8b8b8b;letter-spacing:.025em}
.cloud-toolbar .root-selection{min-height:0;margin-left:auto;font-size:12px}
.symmetry-spin{display:flex;align-items:center;justify-content:center;width:29px;height:29px;border:1px solid #ddd;border-radius:50%;background:white;color:#7f8981;padding:5px}
.symmetry-spin svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.symmetry-spin:hover,.symmetry-spin[aria-pressed=true]{background:#edf2ed;color:#355641;border-color:#aebcaf}
@media(max-width:620px){#symmetry-cloud{height:300px}.cloud-toolbar{gap:10px}}
@media print{.cloud-toolbar{display:none}}

.cloud-title{display:flex;align-items:baseline;gap:12px}.projection-label{font:10px var(--sans);color:#8b8b8b}

.roots-heading-tools{display:flex;align-items:center;gap:12px}.subset-toggle{border:1px solid #ddd;border-radius:3px;background:white;color:#777;font:11px Georgia,serif;padding:4px 8px;white-space:nowrap}.subset-toggle:hover,.subset-toggle[aria-pressed=true]{background:#edf2ed;color:#355641;border-color:#aebcaf}
@media(max-width:620px){.roots-heading-tools{gap:8px}.cloud-title{gap:8px}.subset-toggle{padding:4px 6px}}

.cloud-root.simple .dot{fill:url(#root-sphere-blue);stroke:#36576e;stroke-width:.9}.cloud-root.simple.selected .dot{fill:url(#root-sphere-warm)}.cloud-root.simple .ring{opacity:.8;stroke:#64879e;stroke-width:.9}.cloud-root .root-label{font:14px Georgia,serif;fill:#2f5069;paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round;pointer-events:none}

.cloud-root .root-label{pointer-events:auto;cursor:pointer}.dynkin-point[role=button]{cursor:pointer}.cloud-root.selected{opacity:1!important}.cloud-root.selected .ring{stroke:#ad7149;stroke-width:1.5;opacity:1}#symmetry-cloud:focus-visible{outline:1px solid #b3c3b7!important}

.symmetry-source{display:flex;align-items:baseline;gap:18px;padding:15px 26px;border-top:1px solid var(--line);font:11px/1.7 var(--sans);background:#fcfcfc}
.symmetry-source>span{color:#888;white-space:nowrap}.symmetry-source a{color:#565656;text-underline-offset:3px}
@media(max-width:620px){.symmetry-source{padding:14px 16px;gap:4px;flex-direction:column;font-size:10px}}
.fold-counter{font:11px Georgia,serif;color:var(--muted);white-space:nowrap;padding-bottom:6px}.symmetry-end-controls{display:flex;align-items:center;gap:10px}.symmetry-fold,.symmetry-default{border:1px solid #d9ddda;background:#fff;color:#555;border-radius:3px;padding:7px 12px;min-height:39px;font:12px var(--sans)}.symmetry-fold{color:#244d45;border-color:#a5b6aa}.symmetry-fold:hover,.symmetry-default:hover{background:#f1f5f1;border-color:#7f9888}
.triality-tab{align-self:stretch;display:flex;align-items:center;padding:17px 0 15px;border-bottom:2px solid #222;color:#222;font:14px Georgia,serif}.triality-views{display:inline-flex;align-items:center;gap:20px;margin-left:auto;padding-left:24px;border-left:1px solid var(--line)}.triality-views button{padding-left:0;padding-right:0}.triality-views[hidden]{display:none}#dynkin-figure{transition:opacity .18s ease}.symmetry-fold:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:620px){.fold-counter{font-size:10px;white-space:normal;text-align:right;padding-top:7px}.symmetry-end-controls{gap:6px;align-items:center}.symmetry-fold,.symmetry-default{padding:7px 9px}.triality-views{gap:12px;margin-left:0;padding-left:14px}}
@media(prefers-reduced-motion:reduce){#dynkin-figure{transition:none}}
.relative-root-panel{width:100%;max-width:360px;margin:0 auto 3px}.relative-root-heading{display:flex;justify-content:space-between;align-items:baseline;padding:0 18px;font:11px Georgia,serif;color:#727b75}.relative-root-heading>span:last-child{font-size:10px;color:#9a7257;letter-spacing:.05em}#relative-root-figure{display:block;width:100%;height:112px;overflow:visible}.relative-root-edge{stroke:#d5dcd7;stroke-width:1}.relative-root-node circle{fill:#426957;stroke:#fff;stroke-width:1}.relative-root-node.simple circle{fill:#fff;stroke:#a36347;stroke-width:1.8}.relative-root-node.highest circle{fill:#e7ede8;stroke:#668273;stroke-width:1.4}.relative-root-label{font:10px Georgia,serif;fill:#46534a;paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}.relative-root-node{transition:transform .05s linear}@media(max-width:620px){.relative-root-panel{max-width:350px}#relative-root-figure{height:106px}.relative-root-heading{padding:0 12px}}
/* Relative and twisted endoscopic root systems */
.relative-root-panel{width:100%;max-width:360px;margin:8px auto 0}.relative-root-heading{display:flex;justify-content:space-between;align-items:baseline;padding:0 16px;font:12px Georgia,serif;color:#727b75}.relative-root-heading>span:last-child{font-size:11px;color:#9a7257;letter-spacing:.05em}#relative-root-figure{display:block;width:100%;height:132px;overflow:visible}.relative-root-edge{stroke:#d5dcd7;stroke-width:1}.relative-root-node circle{fill:#426957;stroke:#fff;stroke-width:1}.relative-root-node.simple circle{fill:#fff;stroke:#a36347;stroke-width:1.8}.relative-root-node.highest circle{fill:#e7ede8;stroke:#668273;stroke-width:1.4}.relative-root-label{font:11px Georgia,serif;fill:#46534a;paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round;pointer-events:none}.twisted-endoscopy-panel{width:100%;max-width:360px;margin:8px auto 2px;padding:8px 8px 4px;border-top:1px solid var(--line)}.twisted-endoscopy-heading,.twisted-centralizer-heading{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font:11px Georgia,serif;color:#59645e}.twisted-endoscopy-heading a{font:10px var(--sans);color:#777;text-underline-offset:2px}.twisted-group-choices{display:flex;gap:6px;margin:7px 0}.twisted-group-choices button{border:1px solid #ddd;background:#fff;border-radius:3px;padding:4px 9px;color:#777;font:11px Georgia,serif}.twisted-group-choices button[aria-pressed=true]{border-color:#9aafa0;color:#244d45;background:#f2f6f2}.twisted-parameter-edge{stroke:#aebbb2;stroke-width:1.1}.twisted-parameter-node circle{fill:#fff;stroke:#6e8877;stroke-width:1.2}.twisted-parameter-node.special-value circle{fill:#f4e9de;stroke:#a36347}.twisted-parameter-value{font:10px Georgia,serif;fill:#355641;text-anchor:middle}.twisted-parameter-node.special-value .twisted-parameter-value{fill:#8a4f31}.twisted-parameter-caption{font:9px/1.3 var(--sans);color:#888;text-align:center;margin:2px 0}.twisted-parameter-summary{font:10px Georgia,serif;color:#777;text-align:center;min-height:15px}.twisted-centralizer-heading{font-size:10px;color:#777;margin-top:4px}.twisted-centralizer-heading span:first-child{color:#43544a}.twisted-fold-hint{font:10px/1.4 var(--sans);color:#888;text-align:center;margin:3px 0 2px}.twisted-group-choices button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:620px){.relative-root-panel,.twisted-endoscopy-panel{max-width:350px}.relative-root-heading{padding:0 12px}#relative-root-figure{height:124px}.twisted-endoscopy-panel{padding:8px 4px 4px}}

.symmetry-controls.is-folded{justify-content:flex-end}