.tickets-ad{min-width:0;max-width:100%;margin:24px 0 44px;padding:0;background:transparent;border:0;border-radius:0}
.tickets-ad[hidden]{display:none!important}
.tickets-ad-label{display:none;margin-bottom:8px;color:#7b8984;font-size:10px;line-height:1.3;letter-spacing:.6px}
.tickets-ad-content{width:100%;min-width:0;min-height:90px}
@media(max-width:1023px){:root[data-ad-question] .mobile-nav,:root:has(.result-panel) .mobile-nav{display:none}}
@media(max-width:720px){.tickets-ad{margin:20px 0 42px;padding:0;border-radius:0}}

.reference-workspace .tickets-ad{margin:0 0 28px}
@media(max-width:720px){.reference-workspace .tickets-ad{margin-bottom:24px}}
.footer-ad,.reference-workspace .footer-ad{margin:36px 0 0;clear:both}
.footer-ad[data-ad-pending]{height:1px;min-height:1px;margin:0;padding:0;border:0;background:none;box-shadow:none}
.footer-ad[data-ad-pending]>*{display:none}
@media(max-width:720px){.footer-ad,.reference-workspace .footer-ad{margin-top:28px}.footer-ad[data-ad-pending],.reference-workspace .footer-ad[data-ad-pending]{margin:0}}

/* Reserve space for a full-height, independently scrolling desktop rail. */
.page-columns{max-width:1280px;margin:0 auto}
.page-columns>main{min-width:0;width:100%}
.desktop-side-ad{display:none}
@media(min-width:1024px){
 .ad-feed-page{margin-top:8px}
 .ad-feed-tail{min-height:64px;box-sizing:border-box;padding:12px 4px;color:#7b8984;font-size:12px;line-height:18px;text-align:center}
 .desktop-side-ad{overflow-anchor:none}
 .workspace{--desktop-ad-rail-width:320px}
 .workspace:has(.desktop-side-ad:not([hidden])){padding-right:calc(var(--desktop-ad-rail-width) + 28px)}
 .page-columns:has(>.desktop-side-ad:not([hidden]))>main{container-type:inline-size;container-name:learning-content}
 .desktop-side-ad,.reference-workspace .desktop-side-ad{display:block;position:fixed;inset:0 0 0 auto;z-index:3;box-sizing:border-box;width:var(--desktop-ad-rail-width);height:100vh;height:100dvh;margin:0;padding:16px 10px;border:0;border-radius:0;background:#f6faf8;box-shadow:inset 1px 0 #e1e9e6;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#b7c9bf transparent}
 .desktop-side-ad .tickets-ad-content{width:100%;height:max(900px,calc(100dvh - 53px));min-height:900px;max-height:none}
 .desktop-side-ad[data-ad-rendered]>.tickets-ad-content,
 .desktop-side-ad .ad-feed-page[data-ad-rendered]>.tickets-ad-content{height:auto;min-height:0}
 .desktop-side-ad .tickets-ad-label{display:block;margin:0 0 8px}
 .desktop-side-ad:focus-visible{outline:2px solid #6c9e80;outline-offset:-2px}
}
@media(min-width:1024px) and (max-width:1279px){
 .workspace{--desktop-ad-rail-width:260px}
 .workspace:has(.desktop-side-ad:not([hidden])){padding-right:calc(var(--desktop-ad-rail-width) + 20px)}
}
@container learning-content (max-width:850px){
 .overview-heading{flex-direction:column;align-items:stretch;gap:22px}
 .overview-heading .page-heading h1{font-size:2.3rem}
 .overview-heading .page-heading p{max-width:none}
 .overview-heading .progress-card{width:100%;height:110px;flex-shrink:0}
 .overview-heading .progress-card>div{width:calc(100% - 150px)}
 .ticket-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .mode-grid,.exam-layout,.quiz-layout{grid-template-columns:minmax(0,1fr)}
 .mode-grid{row-gap:52px}
 .question-sidebar{position:static;display:flex;align-items:center;gap:12px;flex-wrap:wrap;order:-1;padding:15px}
 .question-sidebar h2{display:none}
 .question-nav{grid-template-columns:repeat(10,minmax(0,1fr));width:100%;gap:7px}
 .question-nav button{height:29px;font-size:.7rem}
 .question-sidebar .quiz-progress,.question-sidebar .nav-legend,.question-sidebar .exam-side-note,.question-sidebar .study-score{display:none}
 .list-toolbar{flex-wrap:wrap;gap:10px}
 .list-note{display:none}
 .sign-training-intro{grid-template-columns:minmax(0,1fr) 150px;gap:20px;padding:24px}
 .sign-training-types{grid-template-columns:1fr}
 .sign-training-promo{flex-wrap:wrap}
 .mode-intro{grid-template-columns:minmax(0,1fr) 180px}
 .intro-body{padding:24px}
 .intro-body h2{font-size:1.45rem}
 .intro-stats{gap:18px;flex-wrap:wrap}
}
@container learning-content (max-width:570px){
 .question-card{padding:22px}
 .question-title{font-size:1.15rem}
 .filters{flex-wrap:wrap}
 .ticket-card{padding:16px 12px;gap:9px}
 .ticket-meta{flex-wrap:wrap}
 .status-label{font-size:.62rem}
 .sign-training-intro{grid-template-columns:1fr}
 .sign-training-art{width:150px;justify-self:center;grid-row:1}
 .mode-intro{grid-template-columns:1fr}
 .mode-intro .intro-art{max-height:170px;object-fit:contain;grid-row:1}
 .result-stats{flex-wrap:wrap;gap:20px}
 .result-actions{flex-wrap:wrap}
}

/* Compact practice grids and taller reference placements; creatives stay intact. */
.reference-workspace .textbook-ad{margin:36px 0;padding:0;background:transparent;border:0;border-radius:0;box-sizing:border-box}
.textbook-ad-heading,.textbook-ad-resume{display:flex;align-items:center;justify-content:center;gap:10px;color:#70827a;font-size:11px;line-height:1.5;text-align:center}
.textbook-ad-heading{gap:10px}
.textbook-ad-heading>span{display:block;flex-shrink:0}
.textbook-ad-heading::before,.textbook-ad-heading::after{content:"";height:1px;flex:1;background:#d8e2dc}
.textbook-ad-note{display:block;margin:8px 0 6px;color:#70827a;font-size:12px;line-height:1.5;text-align:center}
.textbook-ad-resume{margin:0 0 16px}
.textbook-ad::after{content:"";display:block;height:1px;margin-top:16px;background:#d8e2dc}
.horizontal-ad .tickets-ad-content{height:var(--horizontal-ad-height,120px);min-height:var(--horizontal-ad-height,120px);max-height:var(--horizontal-ad-height,120px)}
.horizontal-ad:is([data-horizontal-ad="textbook"],[data-horizontal-ad="finesGrid"],[data-horizontal-ad="signsGrid"]){--horizontal-ad-height:250px}
.horizontal-ad .tickets-ad-label{margin-bottom:5px}
.grid-inline-ad,.reference-workspace .grid-inline-ad{grid-column:1 / -1;margin:8px 0;padding:0;border-radius:0;align-self:start}
.horizontal-ad[data-ad-pending],.reference-workspace .horizontal-ad[data-ad-pending]{height:1px;min-height:1px;margin:0;padding:0;border:0;background:none;box-shadow:none}
.horizontal-ad[data-ad-pending]>*{display:none}
@media(max-width:720px){
 .horizontal-ad .tickets-ad-content{height:var(--horizontal-ad-height,100px);min-height:var(--horizontal-ad-height,100px);max-height:var(--horizontal-ad-height,100px)}
 .reference-workspace .textbook-ad{padding:0;margin:28px 0}
 .grid-inline-ad,.reference-workspace .grid-inline-ad{padding:0;margin:4px 0}
 .horizontal-ad[data-ad-pending],.reference-workspace .horizontal-ad[data-ad-pending]{margin:0;padding:0}
}

/* Questions and Tisha scroll above the shared ordinary mobile banner. */
.question-ad-dock{display:none}
@media(max-width:1023px){
 html[data-question-dock],html[data-question-dock] body{height:100%;overflow:hidden}
 html[data-question-dock] #app{position:fixed;inset:0 0 var(--question-dock-size,100px);overflow-y:auto;overscroll-behavior-y:contain;overflow-anchor:none;-webkit-overflow-scrolling:touch}
 html[data-question-dock] .workspace{min-height:100%;padding-bottom:0}
 html[data-question-dock] .page-footer{padding-bottom:24px}
 .question-ad-dock:not([hidden]){display:block;position:fixed;z-index:52;inset:auto 0 0;box-sizing:border-box;padding:0 0 env(safe-area-inset-bottom,0px);border:0;background:#fff}
 .question-ad-dock-label{display:none;padding:0 8px 4px;color:#7b8984;font-size:9px;line-height:12px}
 .question-ad-dock-content{width:100%;height:100px;min-height:100px}
 .question-ad-dock[data-ad-rendered] .question-ad-dock-content{height:auto;min-height:50px}
 :root[data-question-dock] .tisha-chat-dialog[open]{bottom:var(--question-dock-size);max-height:calc(100dvh - 8px - var(--question-dock-size))}
 html[data-question-dock] #toast{bottom:calc(var(--question-dock-size) + 18px)}
}

/* Result actions replace the mobile menu, including while fullscreen ads load. */
@media(max-width:1023px){
 :root:has(.result-panel) .page-footer{padding-bottom:24px}
 :root:has(.result-panel):not([data-question-dock]) #toast{bottom:18px}
}