/* NodeClash Brain Tuggle — additive 4D-depth presentation layer. */
.nc-brain-tuggle{position:relative;isolation:isolate;margin-top:18px;min-height:310px;border-radius:30px;overflow:hidden;border:1px solid rgba(143,234,255,.22);background:radial-gradient(circle at 50% 45%,rgba(88,214,255,.18),transparent 35%),linear-gradient(135deg,rgba(4,12,24,.92),rgba(12,31,44,.72) 48%,rgba(3,7,14,.96));box-shadow:0 34px 100px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);transform:perspective(1300px) rotateX(.7deg);}
.nc-brain-tuggle::before{content:"";position:absolute;inset:-22%;background:conic-gradient(from 0deg,rgba(91,221,255,.0),rgba(91,221,255,.16),rgba(255,98,187,.0),rgba(255,208,100,.12),rgba(91,221,255,.0));filter:blur(30px);animation:ncBrainAurora 14s linear infinite;z-index:-1;}
.nc-brain-tuggle-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(120,200,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.06) 1px,transparent 1px);background-size:42px 42px;transform:translateZ(-30px) scale(1.08);mask-image:linear-gradient(to bottom,transparent,black 14%,black 84%,transparent);}
.nc-brain-tuggle-head{position:relative;z-index:3;padding:18px 22px 0;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;}
.nc-brain-tuggle-kicker{display:block;color:#8feaff;font-size:10px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}.nc-brain-tuggle-title{margin:5px 0 0;color:#fff;font-size:clamp(22px,3vw,34px);line-height:1;font-weight:900;letter-spacing:-.04em;text-shadow:0 10px 30px rgba(0,0,0,.35)}
.nc-brain-tuggle-sub{max-width:560px;margin:8px 0 0;color:rgba(225,241,255,.72);font-size:12px;line-height:1.5}
.nc-brain-tuggle-state{padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);text-align:right;min-width:150px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.nc-brain-tuggle-state b{display:block;color:#fff;font-size:11px}.nc-brain-tuggle-state span{display:block;color:#ffd66c;font-size:10px;margin-top:3px;letter-spacing:.12em;text-transform:uppercase}
.nc-brain-core{position:absolute;left:50%;top:56%;width:250px;height:190px;transform:translate(-50%,-50%);transform-style:preserve-3d;perspective:900px;}
.nc-brain-prism{position:absolute;left:50%;top:50%;width:100px;height:100px;transform:translate(-50%,-50%) rotateX(56deg) rotateZ(45deg);transform-style:preserve-3d;background:linear-gradient(135deg,rgba(88,229,255,.9),rgba(20,91,137,.6));border:1px solid rgba(255,255,255,.22);box-shadow:0 0 40px rgba(88,229,255,.35),inset 0 0 32px rgba(255,255,255,.08);animation:ncBrainFloat 4.8s ease-in-out infinite;}
.nc-brain-prism::before,.nc-brain-prism::after{content:"";position:absolute;inset:0;background:inherit;border:inherit}.nc-brain-prism::before{transform:translateZ(28px)}.nc-brain-prism::after{transform:translateZ(-28px)}
.nc-brain-node{position:absolute;width:24px;height:24px;border-radius:50%;border:1px solid rgba(255,255,255,.65);box-shadow:0 0 22px currentColor,0 0 50px rgba(255,255,255,.12);transform-style:preserve-3d;animation:ncBrainNode 2.4s ease-in-out infinite}.nc-brain-node::after{content:"";position:absolute;inset:7px;border-radius:50%;background:currentColor;filter:blur(1px)}
.nc-brain-node.n1{left:12%;top:12%;color:#69e5ff}.nc-brain-node.n2{left:50%;top:3%;color:#ffcc72;animation-delay:.25s}.nc-brain-node.n3{right:12%;top:12%;color:#ff70b2;animation-delay:.5s}.nc-brain-node.n4{left:3%;top:52%;color:#6df5bf;animation-delay:.75s}.nc-brain-node.n5{left:50%;top:52%;color:#ffffff;animation-delay:1s}.nc-brain-node.n6{right:3%;top:52%;color:#8fa7ff;animation-delay:1.25s}.nc-brain-node.n7{left:12%;bottom:5%;color:#ff85cf;animation-delay:1.5s}.nc-brain-node.n8{left:50%;bottom:0;color:#72d9ff;animation-delay:1.75s}.nc-brain-node.n9{right:12%;bottom:5%;color:#ffd568;animation-delay:2s}
.nc-brain-beam{position:absolute;height:1px;transform-origin:left center;background:linear-gradient(90deg,rgba(116,229,255,.05),rgba(116,229,255,.72),rgba(255,255,255,0));box-shadow:0 0 12px rgba(95,221,255,.55);opacity:.6}.b12{left:15%;top:17%;width:112px;transform:rotate(18deg)}.b23{left:54%;top:17%;width:106px;transform:rotate(-18deg)}.b14{left:16%;top:19%;width:94px;transform:rotate(66deg)}.b56{left:54%;top:56%;width:96px;transform:rotate(0deg)}.b58{left:54%;top:60%;width:74px;transform:rotate(90deg)}.b36{left:72%;top:19%;width:95px;transform:rotate(113deg)}
.nc-brain-logic-row{position:absolute;left:22px;right:22px;bottom:16px;display:flex;gap:8px;z-index:3;flex-wrap:wrap}.nc-brain-chip{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);color:rgba(226,242,255,.78);font-size:9px;letter-spacing:.12em;text-transform:uppercase}.nc-brain-chip.active{color:#fff;background:rgba(84,213,255,.12);border-color:rgba(84,213,255,.35);box-shadow:0 0 20px rgba(84,213,255,.12)}
.nc-auto-ai-ladder{margin:8px 0 14px;padding:10px 11px;border:1px solid rgba(115,223,255,.2);background:linear-gradient(135deg,rgba(90,210,255,.08),rgba(255,255,255,.025));border-radius:12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.nc-auto-ai-ladder-head,.nc-auto-ai-ladder-meta{display:flex;justify-content:space-between;gap:10px;align-items:center}.nc-auto-ai-ladder-head span{font-size:9px;letter-spacing:.16em;color:rgba(222,239,255,.64)}.nc-auto-ai-ladder-head b{font-size:10px;color:#8feaff}.nc-auto-ai-ladder-bar{height:5px;margin:8px 0;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden}.nc-auto-ai-ladder-bar i{display:block;width:10%;height:100%;background:linear-gradient(90deg,#71dcff,#b6f3ff);box-shadow:0 0 16px rgba(113,220,255,.55);transition:width .45s ease}.nc-auto-ai-ladder-meta{font-size:8px;color:rgba(222,239,255,.5);text-transform:uppercase;letter-spacing:.08em}.nc-auto-ai-event{position:fixed;left:50%;top:18%;transform:translate(-50%,-18%) translateY(-16px) scale(.96);z-index:100000;padding:14px 18px;border-radius:16px;border:1px solid rgba(120,230,255,.28);background:rgba(5,11,20,.9);box-shadow:0 24px 60px rgba(0,0,0,.35),0 0 32px rgba(83,213,255,.15);text-align:center;opacity:0;pointer-events:none;transition:opacity .24s ease,transform .24s ease;backdrop-filter:blur(14px)}.nc-auto-ai-event.show{opacity:1;transform:translate(-50%,-18%) translateY(0) scale(1)}.nc-auto-ai-event .k{display:block;font-size:9px;letter-spacing:.18em;color:#8feaff}.nc-auto-ai-event strong{display:block;color:#fff;margin-top:5px;font-size:18px}.nc-auto-ai-event small{display:block;color:rgba(231,243,255,.64);margin-top:4px;font-size:9px;letter-spacing:.09em}.nc-live-chat-head b{font-size:11px}
@keyframes ncBrainAurora{to{transform:rotate(360deg)}}@keyframes ncBrainFloat{0%,100%{translate:0 0 0}50%{translate:0 -9px 12px}}@keyframes ncBrainNode{0%,100%{scale:1}50%{scale:1.1}}
@media (max-width:900px){.nc-brain-tuggle{min-height:290px}.nc-brain-tuggle-head{flex-direction:column}.nc-brain-tuggle-state{position:absolute;right:16px;top:18px}.nc-brain-core{transform:translate(-50%,-45%) scale(.88)}}
@media (prefers-reduced-motion:reduce){.nc-brain-tuggle::before,.nc-brain-prism,.nc-brain-node{animation:none}.nc-auto-ai-event{transition:none}}