@media(max-width:900px){
.sidebar{position:fixed;left:0;top:52px;bottom:0;z-index:100;background:var(--bg);width:230px}
.sidebar.collapsed{width:0}
.nav-search{display:none}
}
@media(max-width:600px){
.request-bar{flex-wrap:wrap}
.method-select{width:90px}
.response-meta{gap:8px;font-size:12px}
}