/* Adapter guide uses the existing RSDiag typography, cards and comparison table. */
.adapter-section{padding-top:24px;padding-bottom:28px}.adapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;gap:22px}.adapter-card{background:linear-gradient(150deg,rgba(255,255,255,.035),rgba(0,0,0,.18));border:1px solid var(--hair2);border-radius:var(--r,18px);overflow:hidden}.adapter-visual{height:224px;border-bottom:1px solid var(--hair2);background:radial-gradient(ellipse at center,rgba(255,255,255,.04),transparent 72%)}.adapter-visual img{width:100%;height:100%;object-fit:contain}.adapter-copy{padding:24px}.adapter-platform{color:var(--or2);font-size:11px;font-weight:700;letter-spacing:1px;margin-bottom:12px}.adapter-copy h2{font-size:20px;line-height:1.35;margin:0 0 12px}.adapter-copy p{color:var(--mut);font-size:14px;line-height:1.65}.adapter-copy .adapter-function{color:var(--text);font-size:12px;font-weight:600}.adapter-copy details{margin-top:18px;border-top:1px solid var(--hair2);padding-top:16px}.adapter-copy summary{cursor:pointer;font-size:13px;color:var(--or2)}.adapter-note{font-size:13px;line-height:1.65;color:var(--mut);margin:20px 0}.adapter-limits{border-left:2px solid var(--or2);padding:4px 0 4px 20px;margin-top:24px}.adapter-limits h3{font-size:16px}.adapter-limits p{font-size:14px;line-height:1.65;color:var(--mut)}.adapter-links{display:flex;gap:12px;flex-wrap:wrap}.adapter-section .matrix-wrap{margin-top:22px}@media(max-width:680px){.adapter-grid{grid-template-columns:1fr;grid-auto-rows:auto;gap:16px}.adapter-copy{padding:20px}.adapter-visual{height:200px}.adapter-copy h2{font-size:19px}}

.adapter-visual .adapter-cutout{box-sizing:border-box;padding:18px}


.adapter-copy .adapter-alternatives{border-top:1px solid var(--hair2);margin-top:18px;padding-top:16px}
.adapter-alternatives[open]>summary{margin-bottom:16px}
.adapter-alternatives h3{font-size:15px;line-height:1.5;margin:20px 0 12px}
.adapter-alternatives ul{padding-left:20px;margin:0 0 14px;color:var(--text);font-size:14px;line-height:1.8}
.adapter-alternatives .adapter-platform{margin-top:18px;margin-bottom:8px}

/* Expanded content grows only its own card, not neighboring cards. */
.adapter-grid:has(details[open]){grid-auto-rows:auto;align-items:start}

.adapter-visual--concept{display:flex;flex-direction:column;margin:0;background:none}
.adapter-visual--concept .adapter-cutout{flex:1;min-height:0;height:0;padding:10px 18px 0}
.adapter-visual--concept figcaption{flex-shrink:0;padding:4px 14px 12px;color:var(--mut);font-size:10px;line-height:1.5;text-align:center}
.adapter-models{display:flex;flex-wrap:wrap;gap:6px 14px;list-style:none;padding:0;margin:16px 0;color:var(--text);font-size:12px;line-height:1.6}

/* Symmetric closed cards; expanded cards keep independent natural heights. */
.adapter-card{display:flex;flex-direction:column;min-width:0}
.adapter-visual{flex-shrink:0}
.adapter-copy{display:flex;flex:1;flex-direction:column}
.adapter-copy>.adapter-platform{display:flex;align-items:center;min-height:30px;line-height:1.4;margin-bottom:10px}
.adapter-copy>h2{min-height:54px}
.adapter-copy>.adapter-function{min-height:40px;margin:0 0 12px}
.adapter-copy>details,.adapter-copy>.adapter-alternatives{margin-top:auto}
.adapter-copy>p:last-of-type{margin-bottom:18px}
@media(max-width:680px){.adapter-copy>.adapter-platform,.adapter-copy>h2,.adapter-copy>.adapter-function{min-height:0}.adapter-copy>details,.adapter-copy>.adapter-alternatives{margin-top:18px}}