/* Vypínač · receptor deep dive (assets/receptors.js), mounted under the synapse simulator */
.rx { margin-top: 16px; padding: 20px; display: grid; gap: 18px; scroll-margin-top: 72px; }
.rx-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 10px 24px; align-items: end; }
.rx-head h3 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 900; margin-top: 6px; }
.rx-lede { margin: 0; color: var(--muted); font-size: .98rem; }
@media (max-width: 760px) { .rx-head { grid-template-columns: minmax(0, 1fr); } }

.rx-id { margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.rx-id div { padding: 10px 12px; background: var(--surface-2); min-width: 0; }
.rx-id div + div { border-left: 1px solid var(--line); }
.rx-id dt { font: 600 .66rem/1.2 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.rx-id dd { margin: 4px 0 0; font: 600 .92rem/1.3 var(--font-body); overflow-wrap: anywhere; }
@media (max-width: 860px) { .rx-id { grid-template-columns: repeat(2, minmax(0, 1fr)); } .rx-id div:nth-child(3) { border-left: 0; } .rx-id div:nth-child(n + 3) { border-top: 1px solid var(--line); } }
@media (max-width: 420px) { .rx-id { grid-template-columns: minmax(0, 1fr); } .rx-id div + div { border-left: 0; border-top: 1px solid var(--line); } }

.rx-body { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 900px) { .rx-body { grid-template-columns: minmax(0, 1fr); } }
.rx-stage { display: grid; gap: 8px; }
.rx-stage canvas { width: 100%; height: auto; display: block; aspect-ratio: 560 / 300; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); }
.rx-cap { margin: 0; font: 500 .8rem/1.4 var(--font-mono); color: var(--muted); padding: 0 4px; min-height: 2.8em; }

.rx-read { display: grid; gap: 12px; align-content: start; }
.rx-steps { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.rx-steps button { appearance: none; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); border-radius: 8px; padding: 8px 2px 7px; display: grid; justify-items: center; gap: 5px; cursor: pointer; min-height: 44px; font: 600 .68rem/1.1 var(--font-body); transition: transform .28s var(--spring), border-color .2s, background .2s, color .2s; }
.rx-steps button b { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font: 700 .72rem/1 var(--font-mono); background: var(--bg); color: var(--fg); border: 1px solid var(--line); transition: background .2s, color .2s, border-color .2s; }
.rx-steps button span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 2px; }
.rx-steps button.done b { background: var(--own-soft); border-color: var(--own); color: var(--own); }
.rx-steps button[aria-pressed="true"] { color: var(--fg); border-color: var(--lh); background: var(--lh-soft); }
.rx-steps button[aria-pressed="true"] b { background: var(--lh); border-color: var(--lh); color: #111; }
.rx-steps button:active { transform: scale(.92); transition-duration: .08s; }
.rx-steps button.rx-punch b { animation: rxPunch .42s var(--spring); }
@keyframes rxPunch { 0% { transform: scale(.7); } 55% { transform: scale(1.25); } 100% { transform: scale(1); } }
@media (max-width: 520px) { .rx-steps { grid-template-columns: repeat(7, minmax(0, 1fr)); } .rx-steps button span { display: none; } .rx-steps button { padding: 9px 0; } }

.rx-prog { height: 4px; border-radius: 2px; background: var(--surface-2); overflow: hidden; }
.rx-prog b { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--own), var(--lh)); border-radius: 2px; transition: width .45s var(--spring); }
.rx-text { display: grid; gap: 8px; padding: 14px 16px; border-radius: 8px; background: var(--surface-2); border-left: 4px solid var(--lh); min-height: 220px; align-content: start; }
.rx-text h4 { margin: 0; font: 900 1.45rem/1.05 var(--font-display); text-transform: uppercase; text-wrap: balance; }
.rx-text p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .95rem; }
.rx-sim { justify-self: start; appearance: none; border: 1px solid var(--accent); background: var(--accent-soft); color: var(--fg); font: 600 .84rem/1 var(--font-body); padding: 9px 12px; border-radius: 20px; cursor: pointer; transition: transform .28s var(--spring); }
.rx-sim:hover { transform: translateY(-1px); }
.rx-sim:active { transform: scale(.94); transition-duration: .08s; }
.rx-nav { display: flex; justify-content: space-between; gap: 8px; }
.rx-nav .btn[disabled] { opacity: .4; cursor: default; transform: none; }
.rx-next { border-color: var(--lh); }

.rx-more { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 900px) { .rx-more { grid-template-columns: minmax(0, 1fr); } }
.rx-more .eyebrow { margin-bottom: 8px; }
.rx-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 640px) { .rx-facts { grid-template-columns: minmax(0, 1fr); } }
.rx-fact { padding: 12px 14px; border-radius: 8px; background: var(--surface-2); border-top: 3px solid var(--accent); }
.rx-fact b { display: block; font: 800 1.05rem/1.1 var(--font-display); text-transform: uppercase; margin-bottom: 6px; }
.rx-fact p { margin: 0; color: var(--muted); font-size: .88rem; }
.rx-terms { margin: 0; display: grid; gap: 6px; }
.rx-terms div { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); gap: 10px; padding: 8px 10px; border-radius: 6px; background: var(--surface-2); }
.rx-terms dt { font: 600 .8rem/1.3 var(--font-mono); color: var(--fg); }
.rx-terms dd { margin: 0; color: var(--muted); font-size: .86rem; }
@media (max-width: 420px) { .rx-terms div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

.guide-more { display: inline-block; margin-top: 4px; color: var(--lh); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }

@media (prefers-reduced-motion: reduce) {
  .rx-steps button, .rx-prog b, .rx-sim { transition: none; }
  .rx-steps button.rx-punch b { animation: none; }
}

/* sources under the deep dive */
.rx-src { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.rx-src ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; font-size: .88rem; color: var(--muted); }
.rx-src li b { font: 600 .74rem/1.3 var(--font-mono); color: var(--fg); }
.rx-src a { text-decoration: none; } .rx-src a:hover b { color: var(--lh); }