/* Fruit fly brain explorer page */
.brain-hero{
  position:relative;
  overflow:hidden;
  padding-top:64px;
  padding-bottom:34px;
}
.brain-hero-copy{position:relative; z-index:2;}
.brain-hero h1{
  font-size:clamp(38px,6vw,64px);
  line-height:1.06;
  max-width:840px;
  margin-bottom:18px;
}
.brain-hero .dek{
  max-width:760px;
  font-size:18px;
  line-height:1.72;
}
.brain-hero-orb{
  position:absolute;
  border-radius:50%;
  filter:blur(10px);
  pointer-events:none;
  opacity:.18;
}
.brain-hero-orb-a{
  width:440px;
  height:440px;
  background:var(--teal);
  right:-160px;
  top:-210px;
}
.brain-hero-orb-b{
  width:340px;
  height:340px;
  background:var(--purple);
  left:-150px;
  top:80px;
}
.brain-notice{
  display:flex;
  flex-direction:column;
  gap:5px;
  max-width:820px;
  margin-top:28px;
  padding:16px 18px;
  border:1px solid rgba(23,196,221,.26);
  border-radius:14px;
  background:linear-gradient(135deg, rgba(0,151,178,.09), rgba(75,45,127,.11));
  color:var(--muted);
  font-size:14px;
  line-height:1.58;
}
.brain-notice strong{color:var(--white);}

.brain-explorer-section{padding-top:28px;}
.brain-explorer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(270px,.72fr);
  gap:22px;
  align-items:stretch;
}
.brain-stage-card,
.brain-controls-card,
.brain-info-card{
  border:1px solid rgba(255,255,255,.11);
  background:linear-gradient(145deg, rgba(10,20,58,.92), rgba(19,14,54,.88));
  box-shadow:0 24px 70px rgba(0,0,0,.26), inset 0 1px 0 rgba(255,255,255,.025);
}
.brain-stage-card{
  min-width:0;
  padding:18px;
  border-radius:20px;
}
.brain-stage-topline{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  margin-bottom:12px;
}
.brain-stage-topline > div{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.brain-stage-kicker{
  color:var(--muted);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.11em;
  font-weight:700;
}
.brain-stage-topline strong{font-size:14px; color:var(--white);}
.brain-live-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  border:1px solid rgba(23,196,221,.28);
  border-radius:999px;
  padding:7px 10px;
  font-size:11px;
  color:var(--teal-bright);
  background:rgba(0,151,178,.07);
  font-weight:700;
}
.brain-live-badge > span{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--teal-bright);
  box-shadow:0 0 12px rgba(23,196,221,.72);
}
.brain-canvas-wrap{
  position:relative;
  min-height:510px;
  border:1px solid rgba(23,196,221,.13);
  border-radius:16px;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(23,196,221,.06), transparent 38%),
    linear-gradient(180deg, rgba(0,7,43,.72), rgba(3,5,28,.96));
}
.brain-canvas-wrap::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.22;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:38px 38px;
}
#brainCanvas{
  position:relative;
  z-index:2;
  display:block;
  width:100%;
  height:510px;
  cursor:grab;
  touch-action:pan-y;
  outline:none;
}
#brainCanvas.dragging{cursor:grabbing; touch-action:none;}\n#brainCanvas[hidden]{display:none;}
#brainCanvas:focus-visible{
  box-shadow:inset 0 0 0 2px var(--teal-bright);
}
.brain-axis-label{
  position:absolute;
  top:50%;
  z-index:3;
  transform:translateY(-50%);
  color:rgba(217,220,232,.46);
  font-size:11px;
  font-weight:800;
  pointer-events:none;
}
.brain-axis-left{left:10px;}
.brain-axis-right{right:10px;}
.brain-loading,
.brain-fallback{
  position:absolute;
  inset:0;
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:12px;
  padding:24px;
  text-align:center;
  background:rgba(0,7,43,.72);
  backdrop-filter:blur(5px);
}
.brain-loading[hidden],
.brain-fallback[hidden]{display:none;}
.brain-loader{
  width:34px;
  height:34px;
  border-radius:50%;
  border:3px solid rgba(255,255,255,.12);
  border-top-color:var(--teal-bright);
  animation:brain-spin .9s linear infinite;
}
@keyframes brain-spin{to{transform:rotate(360deg);}}
.brain-fallback strong{font-size:18px;}
.brain-fallback p{max-width:420px; color:var(--muted); margin:0;}
.brain-fallback button{
  min-height:44px;
  padding:10px 16px;
  border-radius:10px;
  border:1px solid rgba(23,196,221,.42);
  background:rgba(23,196,221,.08);
  color:var(--white);
  font:inherit;
  font-weight:700;
  cursor:pointer;
}
.brain-canvas-help{
  margin:12px 2px 0;
  color:var(--muted);
  font-size:12.5px;
  line-height:1.55;
}
.brain-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:14px;
}
.brain-toolbar button{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  padding:9px 12px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:11px;
  background:rgba(255,255,255,.035);
  color:var(--offwhite);
  font:inherit;
  font-size:12.5px;
  font-weight:700;
  cursor:pointer;
  transition:border-color .2s, background .2s, transform .2s;
}
.brain-toolbar button:first-child,
.brain-toolbar button:nth-child(2){
  min-width:44px;
  padding:9px;
}
.brain-toolbar button:hover,
.brain-toolbar button[aria-pressed="true"]{
  border-color:rgba(23,196,221,.46);
  background:rgba(23,196,221,.08);
}
.brain-toolbar button:active{transform:translateY(1px);}
.brain-toolbar button:focus-visible,
.brain-function:focus-visible{
  outline:2px solid var(--teal-bright);
  outline-offset:2px;
}
.brain-toolbar .icon{width:17px; height:17px;}

.brain-controls-card{
  border-radius:20px;
  padding:18px;
}
.brain-control-heading{
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:baseline;
  margin-bottom:13px;
}
.brain-control-heading > span{
  color:var(--white);
  font-weight:800;
  font-size:15px;
}
.brain-control-heading small{
  color:var(--muted);
  font-size:10.5px;
}
.brain-function-list{
  display:grid;
  gap:9px;
}
.brain-function{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  gap:12px;
  text-align:left;
  border:1px solid rgba(255,255,255,.1);
  border-radius:13px;
  padding:11px 12px;
  background:rgba(255,255,255,.025);
  color:var(--white);
  font:inherit;
  cursor:pointer;
  transition:background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.brain-function:hover{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.18);
  transform:translateY(-1px);
}
.brain-function.active{
  background:linear-gradient(135deg, rgba(0,151,178,.14), rgba(75,45,127,.18));
  border-color:rgba(23,196,221,.5);
  box-shadow:0 0 24px rgba(0,151,178,.08);
}
.brain-function-dot{
  width:11px;
  height:11px;
  border-radius:50%;
  flex:0 0 11px;
  border:1px solid rgba(217,220,232,.5);
  background:rgba(217,220,232,.12);
}
.brain-function.active .brain-function-dot{
  background:var(--teal-bright);
  border-color:var(--teal-bright);
  box-shadow:0 0 12px rgba(23,196,221,.65);
}
.brain-function > span:last-child{
  display:flex;
  flex-direction:column;
  gap:3px;
  min-width:0;
}
.brain-function strong{font-size:13.5px; line-height:1.3;}
.brain-function small{font-size:11px; color:var(--muted); line-height:1.3;}

.brain-info-card{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(240px,330px);
  gap:28px;
  align-items:center;
  margin-top:22px;
  padding:24px;
  border-radius:18px;
}
.brain-info-copy h2{
  margin:12px 0 11px;
  font-size:clamp(25px,3vw,34px);
}
.brain-info-copy p{
  margin:0;
  max-width:720px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.7;
}
.brain-source-box{
  border-left:1px solid rgba(255,255,255,.12);
  padding-left:22px;
  display:flex;
  flex-direction:column;
  gap:7px;
}
.brain-source-box > span{
  font-size:10.5px;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:800;
}
.brain-source-box a{
  color:var(--teal-bright);
  font-size:13px;
  font-weight:700;
}
.brain-source-box small{
  color:var(--muted);
  font-size:11.5px;
  line-height:1.5;
}

.brain-context-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
  gap:44px;
  align-items:start;
}
.brain-context-grid h2,
.brain-sources h2{
  font-size:clamp(28px,3.7vw,40px);
  line-height:1.2;
}
.brain-context-grid p,
.brain-sources p{
  max-width:720px;
  color:var(--muted);
  font-size:16px;
  line-height:1.72;
}
.brain-facts{
  display:grid;
  gap:12px;
}
.brain-facts > div{
  display:flex;
  flex-direction:column;
  gap:5px;
  padding:15px 16px;
  border-radius:13px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.028);
}
.brain-facts strong{font-size:13px; color:var(--white);}
.brain-facts span{font-size:12.5px; color:var(--muted); line-height:1.5;}
.brain-sources{max-width:900px;}
.brain-source-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:22px 0 17px;
}
.brain-source-links a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:9px 12px;
  border:1px solid rgba(23,196,221,.25);
  border-radius:10px;
  background:rgba(23,196,221,.05);
  color:var(--teal-bright);
  font-size:12.5px;
  font-weight:700;
}
.brain-method-note{
  font-size:13px !important;
  border-left:2px solid rgba(117,79,176,.7);
  padding-left:15px;
}
.brain-noscript ul{
  max-width:820px;
  display:grid;
  gap:12px;
  color:var(--muted);
}
.sr-only{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  padding:0 !important;
  margin:-1px !important;
  overflow:hidden !important;
  clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;
  border:0 !important;
}

@media (max-width:900px){
  .brain-explorer-grid{grid-template-columns:1fr;}
  .brain-stage-card{order:1;}
  .brain-controls-card{order:2;}
  .brain-function-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .brain-info-card{grid-template-columns:1fr;}
  .brain-source-box{border-left:0; border-top:1px solid rgba(255,255,255,.12); padding:18px 0 0;}
  .brain-context-grid{grid-template-columns:1fr; gap:28px;}
}
@media (max-width:600px){
  .brain-hero{padding-top:38px;}
  .brain-explorer-section{padding-top:14px;}
  .brain-stage-card,
  .brain-controls-card{padding:12px; border-radius:16px;}
  .brain-canvas-wrap{min-height:360px; border-radius:13px;}
  #brainCanvas{height:360px;}
  .brain-stage-topline{align-items:center;}
  .brain-live-badge{padding:6px 8px;}
  .brain-function-list{grid-template-columns:1fr; gap:8px;}
  .brain-function{min-height:58px;}
  .brain-info-card{padding:18px; border-radius:15px;}
  .brain-toolbar button{
    flex:1 1 auto;
  }
  .brain-toolbar button:first-child,
  .brain-toolbar button:nth-child(2){
    flex:0 0 44px;
  }
  .brain-canvas-help{font-size:11.5px;}
}
@media (max-width:390px){
  .brain-stage-kicker{font-size:9.5px;}
  .brain-stage-topline strong{font-size:12.5px;}
  .brain-live-badge{font-size:10px;}
  .brain-toolbar{gap:7px;}
  .brain-toolbar button{font-size:11.5px; padding:8px 9px;}
}
@media (prefers-reduced-motion:reduce){
  .brain-loader{animation:none;}
  .brain-function,
  .brain-toolbar button{transition:none;}
}

/* Usability polish */
.brain-skip-link{
  position:fixed; left:16px; top:12px; z-index:300;
  transform:translateY(-180%);
  padding:10px 14px; border-radius:10px;
  background:var(--teal-bright); color:#001525;
  font-weight:800; text-decoration:none;
}
.brain-skip-link:focus{transform:translateY(0);}
#brain-explorer{scroll-margin-top:84px; outline:none;}
.brain-quickstart{
  display:flex; flex-wrap:wrap; gap:8px 18px;
  margin:0 0 16px; color:var(--muted); font-size:12.5px;
}
.brain-quickstart span{display:inline-flex; align-items:center; gap:7px;}
.brain-quickstart b{
  display:inline-grid; place-items:center; width:22px; height:22px;
  border-radius:50%; background:rgba(23,196,221,.12);
  border:1px solid rgba(23,196,221,.3); color:var(--teal-bright); font-size:11px;
}
.brain-active-chip{
  position:absolute; left:14px; top:14px; z-index:4;
  display:flex; flex-direction:column; gap:2px;
  max-width:calc(100% - 28px); padding:8px 10px;
  border:1px solid rgba(23,196,221,.25); border-radius:10px;
  background:rgba(0,7,43,.78); backdrop-filter:blur(8px);
  pointer-events:none;
}
.brain-active-chip span{color:var(--white); font-size:12px; font-weight:800;}
.brain-active-chip small{color:var(--teal-bright); font-size:10.5px;}
.brain-interaction-hint{
  position:absolute; left:50%; bottom:12px; z-index:4;
  transform:translateX(-50%);
  padding:7px 10px; border-radius:999px;
  background:rgba(0,7,43,.74); border:1px solid rgba(255,255,255,.1);
  color:var(--muted); font-size:10.5px; white-space:nowrap;
  pointer-events:none; transition:opacity .2s ease;
}
.brain-interaction-hint.used{opacity:0;}
.brain-toolbar{align-items:flex-end;}
.brain-toolbar-group,.brain-toolbar-actions{display:flex; flex-wrap:wrap; gap:7px; align-items:center;}
.brain-toolbar-group{
  padding:7px; border:1px solid rgba(255,255,255,.08);
  border-radius:12px; background:rgba(255,255,255,.018);
}
.brain-toolbar-label{
  padding:0 4px; color:var(--muted); font-size:10px;
  font-weight:800; letter-spacing:.08em; text-transform:uppercase;
}
.brain-toolbar-group button{min-width:44px; padding:9px;}
.brain-toolbar-actions{margin-left:auto;}
@media (max-width:720px){
  .brain-quickstart{display:grid; grid-template-columns:1fr; gap:7px;}
  .brain-toolbar{display:grid; grid-template-columns:1fr 1fr; align-items:stretch;}
  .brain-toolbar-group{justify-content:center;}
  .brain-toolbar-actions{grid-column:1 / -1; margin-left:0;}
  .brain-toolbar-actions button{flex:1 1 120px;}
}
@media (max-width:430px){
  .brain-toolbar{grid-template-columns:1fr;}
  .brain-toolbar-actions{grid-column:auto;}
  .brain-interaction-hint{font-size:10px;}
}

.brain-toolbar .brain-toolbar-actions button{
  min-width:auto;
  padding:9px 12px;
}
@media (max-width:600px){
  .brain-toolbar .brain-toolbar-actions button{flex:1 1 120px;}
}