.mybb-atlas{--atlas-bg:var(--bg,#09121d);--atlas-text:var(--text,#eaf1fa);--atlas-muted:var(--muted,#b6c3d3);--atlas-line:var(--line,#2b3c50);--atlas-accent:var(--accent,#68adff);font-family:var(--sans,Arial,sans-serif);color:var(--atlas-text);border:1px solid var(--atlas-line);background:var(--atlas-bg);position:relative;isolation:isolate}.mybb-atlas *{box-sizing:border-box}.mybb-atlas button{font:inherit;color:inherit;cursor:pointer}.mybb-atlas [hidden]{display:none!important}.atlas-toolbar{height:53px;display:flex;align-items:center;justify-content:space-between;padding:0 25px;border-bottom:1px solid var(--atlas-line)}.atlas-status{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.13em}.atlas-status i{display:block;width:5px;height:5px;background:var(--atlas-accent);border-radius:50%}.atlas-version{color:var(--atlas-muted);margin-left:20px}.atlas-layer-control{display:flex;gap:20px}.atlas-layer-control button{background:none;border:0;font-size:14px;line-height:1.5;padding:6px 0;color:var(--atlas-muted)}.atlas-layer-control button[aria-pressed=true]{color:var(--atlas-accent);border-bottom:1px solid var(--atlas-accent)}.atlas-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 290px;min-height:610px}.atlas-directory{min-width:0;padding:30px 20px 25px 25px;z-index:2}.atlas-label{font-size:14px;line-height:1.8;letter-spacing:.15em;color:var(--atlas-muted);margin:0;text-transform:uppercase}.atlas-zones{margin-top:23px}.zone-button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 0!important;font-size:14px!important;border:0;border-bottom:1px solid var(--atlas-line);background:none}.zone-button>span{font-size:14px;color:var(--atlas-muted);min-width:15px}.zone-button>b{font-weight:400;margin-left:auto;color:var(--atlas-accent);opacity:0}.zone-button[aria-pressed=true]{color:var(--atlas-accent)}.zone-button[aria-pressed=true]>b,.zone-button:hover>b{opacity:1}.zone-button:hover{color:var(--atlas-accent)}.atlas-directory-note{margin-top:45px;max-width:180px}.atlas-directory-note>span{font:italic 23px/1.2 var(--serif,Georgia,serif);color:var(--atlas-accent)}.atlas-directory-note p{font-size:14px;line-height:1.9;color:var(--atlas-muted);margin:16px 0 0}.atlas-stage{min-width:0;position:relative;overflow:hidden;min-height:610px;background:radial-gradient(ellipse at 50% 45%,rgba(62,98,111,.16),transparent 68%)}.atlas-stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,var(--atlas-bg),transparent 18%,transparent 90%,var(--atlas-bg))}.atlas-canvas{position:absolute;inset:0}.atlas-canvas canvas{display:block;width:100%;height:100%;outline:none;touch-action:pan-y}.atlas-floating-label{position:absolute;top:26px;left:25px;z-index:1;pointer-events:none;transition:opacity .3s}.atlas-floating-label>span{font-size:14px;letter-spacing:.2em;color:var(--atlas-muted)}.atlas-floating-label>b{display:block;font:italic 19px var(--serif,Georgia,serif);margin-top:6px;color:var(--atlas-accent)}.atlas-controls{display:flex;justify-content:center;gap:5px;position:absolute;bottom:47px;left:0;right:0;z-index:3}.atlas-controls button{background:var(--atlas-bg);border:1px solid var(--atlas-line);width:34px;height:34px;font-size:16px}.atlas-controls button:hover{border-color:var(--atlas-accent);color:var(--atlas-accent)}.atlas-controls .atlas-reset{font-size:14px;width:auto;padding:0 12px}.atlas-gesture{position:absolute;bottom:20px;width:100%;text-align:center;z-index:2;font-size:14px!important;letter-spacing:.04em;color:var(--atlas-muted);margin:0}.atlas-loading,.atlas-canvas-fallback{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;background:var(--atlas-bg);font-size:14px;text-align:center;padding:35px}.atlas-loader-ring{width:52px;height:52px;border-radius:50%;border:1px solid var(--atlas-line);border-top-color:var(--atlas-accent);animation:atlas-spin 1.5s linear infinite}.atlas-canvas-fallback button{padding:10px;border:1px solid var(--atlas-line);background:none}.atlas-panel{margin:27px 25px 28px 8px;padding:22px 21px;border:1px solid var(--atlas-line);align-self:start;z-index:2;position:relative;background:var(--atlas-bg);min-height:480px}.atlas-panel::before{content:"";height:25px;position:absolute;top:-1px;left:-1px;border-left:2px solid var(--atlas-accent)}.atlas-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.atlas-panel-index{font-size:14px;color:var(--atlas-accent)}.atlas-panel h3{font:400 37px/1.05 var(--serif,Georgia,serif);letter-spacing:-.02em;margin:25px 0 18px}.atlas-panel>p[data-detail]{font-size:14px;line-height:1.8;color:var(--atlas-muted);margin:0}.atlas-results-heading{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--atlas-line);padding-top:22px;margin-top:28px}.atlas-results-heading>[data-detail]{color:var(--atlas-accent);font-size:14px}.atlas-kind{display:block;width:100%;padding:10px 0;margin-top:8px;border:0;border-bottom:1px solid var(--atlas-line);background:var(--atlas-bg);color:var(--atlas-text);font-size:14px}.atlas-results{margin-top:6px}.atlas-results>p{font-size:14px;color:var(--atlas-muted);line-height:1.8;padding:15px 0}.atlas-result{display:block;border-bottom:1px solid var(--atlas-line);padding:16px 0;text-decoration:none;color:inherit}.atlas-result small{font-size:14px;letter-spacing:.07em;color:var(--atlas-accent)}.atlas-result h4{font:400 20px/1.25 var(--serif,Georgia,serif);margin:6px 0}.atlas-result p{font-size:14px;line-height:1.8;color:var(--atlas-muted);margin:8px 0 0}.atlas-result:hover h4{color:var(--atlas-accent)}.atlas-panel-footnote{margin:25px 0 0;font-size:14px;line-height:1.9;color:var(--atlas-muted)}.atlas-skin-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 0;margin-top:18px;background:none;border:0;border-bottom:1px solid var(--atlas-accent);font-size:14px!important;color:var(--atlas-accent)!important;text-align:left}.atlas-text-button{border:0;background:none;font-size:14px!important;color:var(--atlas-accent)!important;padding:12px 0!important}.atlas-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 25px;border-top:1px solid var(--atlas-line);font-size:14px;letter-spacing:.06em;color:var(--atlas-muted)}.atlas-bottom a{text-decoration:underline;text-underline-offset:3px}.atlas-story{margin-top:20px;padding-top:20px;border-top:1px solid var(--atlas-line)}.atlas-steps{display:flex;gap:8px;margin:15px 0}.atlas-steps button{border:1px solid var(--atlas-line);background:none;width:30px;height:30px;font-size:14px}.atlas-steps button[aria-pressed=true]{background:var(--atlas-accent);color:var(--atlas-bg)}.atlas-story h4{font:25px var(--serif,Georgia,serif);margin:15px 0}.atlas-story>p[data-detail]{font-size:14px;color:var(--atlas-muted);line-height:1.8;margin:0}.atlas-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.mybb-atlas button:focus-visible,.mybb-atlas select:focus-visible,.mybb-atlas a:focus-visible{outline:2px solid var(--atlas-accent);outline-offset:4px}.is-compact .atlas-directory{display:none}.is-compact .atlas-layout{grid-template-columns:minmax(0,1fr) 290px;min-height:530px}.is-compact .atlas-stage{min-height:530px}.is-compact .atlas-panel{min-height:0}.is-compact .atlas-directory-note{display:none}
@keyframes atlas-spin{to{transform:rotate(360deg)}}
@media(min-width:1350px){.atlas-layout{grid-template-columns:235px minmax(0,1fr) 320px}.atlas-stage{min-height:650px}.atlas-panel{padding:28px 25px}.atlas-panel h3{font-size:42px}.zone-button{font-size:14px!important;padding:16px 0!important}}
@media(max-width:1100px){.atlas-layout{grid-template-columns:175px minmax(0,1fr) 255px}.atlas-directory{padding:25px 15px}.zone-button{font-size:14px!important;gap:8px}.atlas-panel{margin:24px 16px 24px 0;padding:20px 16px}.atlas-panel h3{font-size:32px}.atlas-stage{min-height:590px}.atlas-floating-label{left:15px}.atlas-directory-note>span{font-size:21px}.atlas-bottom{font-size:14px}}
@media(max-width:850px){.atlas-layout{grid-template-columns:minmax(0,1fr) 275px}.atlas-directory{grid-column:1/-1;border-bottom:1px solid var(--atlas-line);padding:12px 18px}.atlas-directory>.atlas-label,.atlas-directory-note{display:none}.atlas-zones{display:flex;gap:14px;margin:0;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}.zone-button{width:auto;flex-shrink:0;border:0;font-size:14px!important;padding:4px 0!important}.zone-button>b{display:none}.zone-button[aria-pressed=true]{text-decoration:underline;text-underline-offset:6px}.atlas-stage{min-height:560px}.atlas-panel{margin-top:20px;min-height:440px}.atlas-toolbar{padding:0 18px}.atlas-layer-control{gap:13px}.atlas-version{display:none}.atlas-bottom{flex-direction:column;align-items:flex-start;gap:6px;font-size:14px}.atlas-floating-label{top:15px}}
@media(max-width:580px){.atlas-toolbar{height:auto;min-height:70px;align-items:flex-start;flex-direction:column;gap:10px;padding:12px 15px}.atlas-status{font-size:14px}.atlas-layer-control{gap:22px}.atlas-layout,.is-compact .atlas-layout{grid-template-columns:minmax(0,1fr);min-height:0}.atlas-directory{padding:10px 12px}.atlas-stage,.is-compact .atlas-stage{min-height:490px;height:490px}.atlas-floating-label{left:18px;top:15px}.atlas-panel,.is-compact .atlas-panel{margin:0 15px 20px;padding:22px;min-height:0}.atlas-panel h3{font-size:36px;margin:15px 0 12px}.atlas-panel>p[data-detail]{font-size:14px}.atlas-panel-heading .atlas-label{font-size:14px}.atlas-results-heading{margin-top:20px;padding-top:20px}.atlas-gesture{font-size:14px!important}.atlas-bottom{padding:12px 15px}.atlas-panel-footnote{font-size:14px;margin-top:16px}.is-compact .atlas-stage{height:430px;min-height:430px}.atlas-result h4{font-size:24px}.atlas-results>p{font-size:14px}.atlas-kind{font-size:14px}.atlas-controls{bottom:40px}.atlas-controls button{width:36px;height:36px}.atlas-gesture{bottom:14px}}
@media(prefers-reduced-motion:reduce){.mybb-atlas *{animation:none!important;transition:none!important}}
.atlas-directory-note{display:none}.atlas-view-label{position:absolute;top:22px;left:20px;right:20px;margin:0;z-index:2;font-size:14px;letter-spacing:.08em;color:var(--atlas-muted);pointer-events:none;text-align:center}.atlas-motion{margin-top:22px;padding:15px 0;border-top:1px solid var(--atlas-line);border-bottom:1px solid var(--atlas-line)}.atlas-motion-label{display:block;color:var(--atlas-accent)}.atlas-motion button{display:block;margin-top:10px;padding:9px 12px;border:1px solid var(--atlas-line);background:transparent;font-size:14px}.atlas-motion button:hover{border-color:var(--atlas-accent)}.atlas-motion button:disabled{opacity:.55;cursor:default}.atlas-motion p{margin:10px 0 0;font-size:14px;line-height:1.6;color:var(--atlas-muted)}.atlas-vessel-legend{display:grid;gap:8px;margin-top:15px;font-size:14px}.atlas-vessel-legend span{display:flex;align-items:center;gap:8px}.atlas-vessel-legend i{width:15px;height:3px;border-radius:2px;background:#e88871}.atlas-vessel-legend .oxygen-low{background:#6eabd2}.atlas-vessel-legend small{font-size:14px;line-height:1.7;color:var(--atlas-muted)}.atlas-joint-controls{border-top:1px solid var(--atlas-line);padding-top:18px;margin-top:20px}.atlas-joint-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:10px 0}.atlas-joint-grid button,.atlas-joint-sides button{border:1px solid var(--atlas-line);background:transparent;padding:9px 6px;font-size:14px}.atlas-joint-grid button[aria-pressed=true],.atlas-joint-sides button[aria-pressed=true]{border-color:var(--atlas-accent);color:var(--atlas-accent);background:color-mix(in srgb,var(--atlas-accent) 8%,transparent)}.atlas-joint-sides{display:flex;gap:5px;margin-top:12px}.atlas-joint-sides button{flex:1;font-size:14px}.atlas-joint-note{font-size:14px;line-height:1.8;color:var(--atlas-muted);margin:12px 0 0}
@media(max-width:580px){.atlas-view-label{top:15px;font-size:14px}.atlas-motion button,.atlas-joint-grid button{min-height:40px;font-size:14px}.atlas-joint-sides button{min-height:36px}.atlas-motion p,.atlas-joint-note{font-size:14px}}

@media(min-width:901px){.atlas-layout{grid-template-columns:220px minmax(0,1fr) 310px;min-height:710px}.atlas-zones .zone-button{min-height:42px;padding-block:10px;font-size:14px}.atlas-directory{padding-top:24px}.atlas-panel{padding-inline:24px}}
@media(min-width:1600px){.atlas-layout{grid-template-columns:245px minmax(0,1fr) 340px;min-height:760px}.atlas-zones .zone-button{font-size:14px;min-height:45px}}
.atlas-reference-note{font-size:14px;line-height:1.6;color:var(--muted)}
/* The article list scrolls independently instead of stretching the 3D camera viewport. */
@media(min-width:901px){.atlas-layout{height:730px;min-height:730px}.atlas-stage{min-height:0;height:100%}.atlas-directory{min-height:0;overflow-y:auto;scrollbar-width:thin}.atlas-zones{margin-top:16px}.atlas-zones .zone-button{font-size:14px!important;padding:11px 0!important;min-height:42px}.atlas-panel{min-height:0;max-height:calc(100% - 55px);overflow-y:auto;scrollbar-width:thin}.is-compact .atlas-layout{height:650px;min-height:650px}.is-compact .atlas-stage{min-height:0}.atlas-panel>p[data-detail]{font-size:14px}}
@media(min-width:1600px){.atlas-layout{height:770px;min-height:770px}.atlas-zones .zone-button{font-size:14px!important;min-height:45px}}
@media(min-width:581px) and (max-width:900px){.atlas-panel{max-height:610px;overflow-y:auto;scrollbar-width:thin}.atlas-stage{height:650px;min-height:650px}}

/* Readability remains consistent in the home atlas and embedded laboratory. */
.atlas-panel>p[data-detail],.atlas-results>p,.atlas-result p,.atlas-story>p[data-detail],.atlas-directory-note p{font-size:16px;line-height:1.8}
.atlas-toolbar{height:auto;min-height:60px;flex-wrap:wrap;gap:12px;padding-block:12px}
.atlas-bottom{flex-wrap:wrap;gap:12px}.atlas-layer-control{flex-wrap:wrap;gap:12px 20px}
.atlas-gesture{line-height:1.5;padding-inline:10px}.atlas-controls button{min-height:40px}.atlas-controls .atlas-reset{height:auto}
.atlas-panel-index,.atlas-label{letter-spacing:.08em}
@media(max-width:600px){.atlas-controls{bottom:76px}.atlas-gesture{bottom:12px!important;line-height:1.4!important}.atlas-layer-control{gap:10px}.atlas-toolbar{padding-inline:12px}.atlas-status{letter-spacing:.04em}}