html.br-lab-viewer-document{margin-top:0!important;height:100%;overflow:hidden}
/* The outer page stays still; the demo owns its scrolling. */
body.br-lab-viewer{--br-viewer-admin:0px;margin:0!important;height:100vh;height:100dvh;box-sizing:border-box;padding-top:var(--br-viewer-admin);display:flex;flex-direction:column;overflow:hidden;background:var(--bg,#fff);color:var(--text,#151a34)}
body.br-lab-viewer.admin-bar{--br-viewer-admin:32px}
.br-lab-viewer-header{flex:none;border-top:3px solid var(--blue,#3155f5);border-bottom:1px solid var(--border,#e9edf5);background:var(--surface,#fff)}
.br-lab-viewer-bar{width:min(1200px,calc(100% - 40px));margin:auto;min-height:84px;padding:14px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}
.br-lab-viewer-back{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:10px 14px;border:1px solid var(--border,#e9edf5);border-radius:10px;background:var(--soft,#f6f8fd);color:var(--blue,#3155f5);font-size:13px;font-weight:700}
.br-lab-viewer-back:hover{background:var(--soft2,#f0f4ff)}
.br-lab-viewer-brand{font-size:20px;font-weight:800;letter-spacing:-.5px;line-height:1.3;text-align:center}
.br-lab-viewer-brand span{display:block;margin-top:4px;font-size:9px;font-weight:650;letter-spacing:1.6px;color:var(--muted,#626c83)}
.br-lab-viewer-open{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:12px;font-weight:650;color:var(--blue,#3155f5)}
.br-lab-viewer-open:hover{text-decoration:underline}
.br-lab-viewer-context{padding:8px 20px 12px;border-top:1px solid var(--border,#e9edf5);display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.br-lab-viewer-context h1{margin:0;font-size:14px;line-height:1.5;letter-spacing:0;font-weight:650}
.br-lab-viewer-context p{margin:0;color:var(--muted,#626c83);font-size:11px}
.br-lab-viewer-main{flex:1;min-height:0;display:flex}
.br-lab-viewer-frame{display:block;width:100%;height:100%;border:0;background:#fff}
.br-lab-viewer-error{margin:auto;padding:32px;max-width:650px}
.br-lab-viewer-error h1{font-size:28px;line-height:1.3}
.br-lab-viewer-error a{color:var(--blue,#3155f5);text-decoration:underline}
.br-lab-viewer-skip{position:fixed;left:12px;top:-100px;z-index:10000;background:var(--surface,#fff);padding:10px;color:var(--text,#151a34)}
.br-lab-viewer-skip:focus{top:calc(var(--br-viewer-admin) + 8px)}
@media(max-width:782px){body.br-lab-viewer.admin-bar{--br-viewer-admin:46px}.br-lab-viewer-bar{width:calc(100% - 28px);gap:10px;flex-wrap:wrap;min-height:74px}.br-lab-viewer-brand{font-size:17px}.br-lab-viewer-back{font-size:12px;padding:9px 11px}.br-lab-viewer-open{font-size:11px}.br-lab-viewer-context{gap:3px;padding:7px 14px;flex-direction:column;text-align:center}}
@media(max-width:540px){.br-lab-viewer-bar{padding:10px 0}.br-lab-viewer-brand{margin-left:auto}.br-lab-viewer-open{width:100%;min-height:28px;justify-content:flex-end}.br-lab-viewer-brand span{font-size:8px;letter-spacing:.8px}}
@media(max-width:340px){.br-lab-viewer-brand{font-size:15px}.br-lab-viewer-back{font-size:11px;padding-inline:8px}.br-lab-viewer-bar{gap:7px}}