.lp-window{position:fixed;inset:0;margin:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;padding:0;overflow:hidden;background:#f8fafc;color:#1c3153}.lp-window[open]{display:flex;flex-direction:column}.lp-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 22px;background:#e9f3f2;border-bottom:1px solid #aacfc9;flex-shrink:0}.lp-toolbar>div:first-child{display:grid;gap:3px}.lp-toolbar strong{font-size:12px;letter-spacing:.08em;color:#195c55}.lp-toolbar span{font-size:13px}.lp-toolbar button{padding:8px 12px;background:white;border:1px solid #a9c8c2;border-radius:9px;cursor:pointer}.lp-frame-wrap{flex:1;min-height:0}.lp-frame-wrap iframe{width:100%;height:100%;border:0;background:#f8fafc}.lp-practice .demo,.lp-practice .connection-banner,.lp-practice .hp-global-nav{display:none!important}.lp-loading{padding:30px;font-size:18px}.lp-practice .path-foot>span{font-size:0}.lp-practice .path-foot>span:after{content:'Learner preview · practice only';font-size:13px}@media(max-width:650px){.lp-toolbar{padding:8px 12px;align-items:flex-start;flex-direction:column;gap:8px}.lp-toolbar .row{gap:6px}.lp-toolbar button{font-size:12px;padding:7px 10px}}