/* MRI Explorer — interactive labeled MRI viewer */
.mx{background:#081E2A;border-radius:1rem;padding:1.5rem;position:relative;overflow:hidden}
@media(min-width:768px){.mx{padding:2rem}}
.mx-tabs{display:flex;gap:.75rem;flex-wrap:wrap}
.mx-grid{display:grid;gap:1.5rem;margin-top:1.5rem;grid-template-columns:1fr}
@media(min-width:1024px){.mx-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:2rem;align-items:start}}
.mx-stage{position:relative;width:fit-content;max-width:100%;margin:0 auto;border-radius:1rem;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.mx-stage img{display:block;max-height:560px;width:auto;max-width:100%}
.mx-hot{position:absolute;transform:translate(-50%,-50%);width:22px;height:22px;border-radius:9999px;border:2.5px solid currentColor;background:rgba(8,30,42,.35);cursor:pointer;transition:box-shadow .2s,background .2s}
.mx-hot::after{content:'';position:absolute;inset:-7px;border-radius:9999px;border:1.5px solid currentColor;opacity:.35}
.mx-hot:hover{background:rgba(255,255,255,.25)}
.mx-hot:focus-visible{outline:2px solid #F97600;outline-offset:2px}
.mx-hot.mx-on{background:currentColor;box-shadow:0 0 16px currentColor}
.mx-chips{display:flex;flex-direction:column;gap:.5rem;max-height:330px;overflow-y:auto;padding-right:.25rem}
.mx-chip{display:flex;align-items:center;gap:.75rem;text-align:left;border-radius:.65rem;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.07);padding:.55rem .9rem;cursor:pointer;transition:background .2s,border-color .2s}
.mx-chip:hover{background:rgba(255,255,255,.14)}
.mx-chip:focus-visible{outline:2px solid #F97600;outline-offset:2px}
.mx-chip .mx-dot{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:9999px;font-size:11px;font-weight:800;color:#0b1220;flex-shrink:0}
.mx-chip .mx-lbl{font-size:.83rem;font-weight:600;color:#cfe2ea}
.mx-chip.mx-on{background:rgba(255,255,255,.16)}
.mx-detail{border-radius:.75rem;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);padding:1.2rem 1.35rem;min-height:11rem;margin-top:.9rem}
.mx-detail h3{color:#fff;font-weight:700;font-size:1.05rem}
.mx-detail p{color:#cfe2ea;font-size:.87rem;line-height:1.65;margin-top:.5rem}
.mx-detail a{color:#ffb066;font-weight:600;font-size:.85rem;display:inline-block;margin-top:.7rem}
.mx-detail a:hover{color:#fff}
.mx-sub{color:#9db4c0;font-size:.85rem;margin-top:.35rem}
@media(prefers-reduced-motion:reduce){.mx-hot,.mx-chip{transition:none}.mx-hot.mx-on{box-shadow:none}}