.prototype-card{border:1px solid var(--line);background:var(--surface);padding:30px;margin-bottom:32px}
.prototype-card h3{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px}.prototype-card p{color:var(--muted);margin-bottom:24px;max-width:60ch}
.prototype-actions{display:flex;flex-wrap:wrap;gap:16px}.prototype-actions .button{min-height:64px;width:auto}
.prototype-open{overflow:hidden}
.prototype-dialog{box-sizing:border-box;width:min(1180px,94vw);max-width:none;height:90dvh;max-height:94dvh;padding:0;margin:auto;border:1px solid var(--line);background:#0b100e;color:var(--text)}
.prototype-dialog::backdrop{background:#000c;backdrop-filter:blur(5px)}
.prototype-dialog[open]{display:flex;flex-direction:column}.prototype-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line)}
.prototype-toolbar h2{font:500 1.1rem/1.4 var(--sans);margin:0}.prototype-close{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:3px;min-height:44px;padding:8px 18px;font:inherit;cursor:pointer}
.prototype-dialog iframe{display:block;width:100%;flex:1;min-height:0;border:0;background:#eee}.prototype-fallback{font-size:.875rem;padding:12px 20px;margin:0}.prototype-fallback a{text-decoration:underline;color:var(--wax)}
@media(max-width:700px){.prototype-card{padding:24px}.prototype-actions{display:grid}.prototype-actions .button{width:100%}.prototype-dialog{width:96vw;height:92dvh}.prototype-toolbar{padding:12px}.prototype-toolbar h2{font-size:1rem}}