.topbar .reader-home-control{display:inline-flex;align-items:center;justify-content:center;gap:7px;width:auto;min-width:93px;padding:0 13px;height:42px;color:#ffe19b;text-decoration:none;font:700 13px/1.5 Tahoma,Arial,sans-serif;white-space:nowrap;border-radius:9px;flex-shrink:0}.reader-home-control svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}.sample-locked-nav{margin:10px 0;border:1px dashed #c9b98e;background:#fbf7ed;color:#7a6331;border-radius:9px;padding:12px 10px;font:600 12px/1.8 Tahoma,Arial,sans-serif;text-align:start}.sample-locked-nav span{margin-inline-end:6px}.sample-limit-note{margin-top:21px;border:1px solid #dfd2ae;border-radius:10px;padding:15px 18px;background:#fcf8ed;line-height:1.85;font-size:13px;color:#665331}.sample-limit-note p{margin:0 0 10px}.sample-gate{max-width:480px;width:calc(100% - 36px);border:1px solid #d9c995;border-radius:16px;padding:28px;color:#26324a;background:#fffdf7;box-shadow:0 20px 80px #13203544;font:15px/1.9 Tahoma,Arial,sans-serif}.sample-gate::backdrop{background:#1420338c}.sample-gate h2{font-size:22px;margin:0 0 12px}.sample-gate p{margin:0 0 23px;color:#5c6676}.sample-gate-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.sample-gate a{text-decoration:none}.gra-interactive-link{display:inline-flex;margin-top:17px;align-self:flex-start;border-bottom:1px solid #b59a59;color:#72551f;font:700 12px/1.9 Tahoma,Arial,sans-serif;text-decoration:none;padding:3px 0;min-height:30px}
@media(max-width:760px){.topbar .reader-home-control{min-width:78px;height:36px;padding:0 8px;font-size:11px;gap:5px}.reader-home-control svg{width:16px;height:16px}.sample-gate{padding:23px}.sample-gate h2{font-size:20px}.sample-locked-nav{min-height:48px}}

.toc-locked:disabled{opacity:1;color:#8a8c92;cursor:default;background:transparent}.toc-locked:disabled:hover{background:transparent}.chapter.toc-locked strong{font-weight:500}.toc-locked small{color:#8b8067}.chapter-children{padding-inline:16px 4px}.chapter-children button{display:flex;justify-content:space-between;gap:9px;text-align:start;line-height:1.7}.chapter-children button span{float:none;white-space:nowrap}.chapter-children button:not(:disabled){color:#26324a;font-weight:600;background:#f7f3e8}.chapter{text-align:start}.sidebar .nav-caption{line-height:1.8}.product-label{font-size:12px!important;font-weight:700;color:#26324a;white-space:normal}.interactive-english .app-shell{flex-direction:row-reverse}.interactive-english .sidebar{border-left:1px solid var(--border);border-right:0}.interactive-english .section-nav-group{border-left:3px solid transparent;border-right:0}.interactive-english .section-nav-group.selected{border-left-color:var(--qcolor)}.interactive-english .question-options,.interactive-english .question-content,.interactive-english .lesson-content{direction:ltr;text-align:left}.interactive-english .chapter{direction:ltr;text-align:left}.interactive-english .section-banner h1{font-size:28px}.interactive-english .chapter strong{font-size:13px}.interactive-english .chapter-children button{text-align:left}.interactive-english .sidebar-head h2{font-size:23px}.interactive-english .cover-illustration img{width:42px;height:auto}.demo-ribbon strong{font-size:13px}.interactive-english .opt-letter{font-family:Arial,sans-serif}@media(min-width:761px){.sidebar{width:300px;flex-basis:300px}.product-label{max-width:270px}.interactive-english .sidebar{order:0}}@media(max-width:760px){.interactive-english .app-shell{display:block}.product-label{display:block;max-width:155px;font-size:10px!important}.demo-ribbon{flex-wrap:wrap;gap:3px}.demo-ribbon strong{font-size:11px}.chapter-children button{min-height:39px}.interactive-english .sections-tool:before{content:'Contents'}}

/* launch: fewer stacked bars on phones */
@media(max-width:760px){html[data-reader] .gra-breadcrumb{display:none}.demo-ribbon{padding-top:5px!important;padding-bottom:5px!important}.demo-ribbon span{display:none!important}.reader-header .header-breadcrumb{display:none!important}}