/* P2.4: retain desktop sidebar/tables; expose five mobile destinations. */
.mobile-more-dialog{box-sizing:border-box;width:min(94vw,480px);max-height:80dvh;border:1px solid var(--border);border-radius:20px;padding:20px;background:var(--surface);color:var(--ink);box-shadow:0 16px 60px #0005}
.mobile-more-dialog::backdrop{background:#001d32a6}
.mobile-more-dialog header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.mobile-more-dialog h2{font-size:20px;margin:0}
.mobile-more-dialog nav{display:grid;gap:6px}
.mobile-more-dialog .navlink{min-height:48px;white-space:normal;text-align:left;width:100%}
.mobile-more-dialog .btn{min-height:44px}
.mobile-detail-toggle,.mobile-account-state{display:none}
.mobile-list-search{margin:0 0 14px}.mobile-list-search label{display:block;font-weight:600;margin-bottom:6px}.mobile-list-search p:empty{display:none}
@media(max-width:860px){
 .bottomnav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));overflow:visible;gap:0;scroll-snap-type:none;padding:6px 0 calc(8px + env(safe-area-inset-bottom))!important}
 .bottomnav .navlink{min-width:0;min-height:56px;width:100%;padding:5px 0!important;font-size:11px!important;flex:none}
 #bottomNav .navlink .lbl{font-size:11px;white-space:normal;overflow:visible;text-overflow:clip;line-height:1.2;overflow-wrap:normal}
 #bottomNav:not(:has(#mobileMoreButton)){grid-template-columns:repeat(2,minmax(0,1fr))}
 .bottomnav .navlink .ic{height:23px;display:flex;align-items:center;justify-content:center}
 .topbar .icon-btn{min-width:44px;min-height:44px}
 .mobile-list{display:block;width:100%!important;min-width:0!important;border:0;white-space:normal}
 .mobile-list thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .mobile-list tbody{display:grid;gap:14px}
 .mobile-list tbody tr{display:grid;grid-template-columns:minmax(0,1fr);padding:16px;border:1px solid var(--border);border-radius:16px;background:var(--surface);gap:10px}
 .mobile-list tbody tr[hidden]{display:none!important}
 .mobile-list td{display:block;min-width:0!important;width:auto!important;padding:0!important;border:0!important;white-space:normal!important;overflow-wrap:anywhere;text-align:left!important}
 .mobile-list td::before{content:attr(data-label);display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:3px}
 .mobile-list .mobile-name{font-size:17px}.mobile-list .mobile-name::before,.mobile-list .mobile-actions::before{display:none}
 .mobile-list [data-mobile-detail]{display:none}.mobile-list [data-expanded="true"] [data-mobile-detail]{display:block}
 .mobile-list .mobile-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;order:2;margin-top:4px}
 .mobile-list .mobile-actions>div{display:flex;flex-wrap:wrap;gap:8px;min-width:0}
 .mobile-list .btn{font-size:13px!important;min-height:44px;padding:8px 12px!important;white-space:normal}
 .mobile-detail-toggle{display:inline-flex}.mobile-account-state{display:block;font-size:13px;font-weight:400;line-height:1.5;color:var(--ink-soft);margin:6px 0 0}
 .admin-table-container:has(>.mobile-list){overflow:visible;border:0}
}
@media print{.mobile-detail-toggle,.mobile-account-state{display:none!important}.mobile-more-dialog{display:none!important}}
/* Teacher unit booklets: reachable controls and explicit two-axis scrolling. */
.unit-pdf-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}
.unit-pdf-toolbar select{max-width:100%;min-width:180px;padding:10px;border-radius:8px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line)}
.unit-pdf-actions{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-top:10px;min-width:135px}
.unit-pdf-actions .btn{font-size:12px;min-height:44px;white-space:nowrap}
.unit-pdf-scroll-hint{font-size:13px;color:var(--ink-soft);margin:12px 0}
.teacher-unit-table-scroll{width:100%;max-width:100%;overflow-x:auto!important;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x pan-y;scrollbar-width:auto;scrollbar-color:#d5b56d #163847}
.teacher-unit-table-scroll:focus-visible{outline:2px solid #d5b56d;outline-offset:3px}
.teacher-unit-table-scroll .admin-table{width:100%;min-width:960px;table-layout:fixed}
.teacher-unit-table-scroll th,.teacher-unit-table-scroll td{white-space:normal;overflow-wrap:anywhere;padding:12px 10px}
.teacher-unit-table-scroll .pill{white-space:normal;max-width:100%}
.teacher-unit-table-scroll .unit-pdf-actions{min-width:0;width:100%}
.teacher-unit-table-scroll .unit-pdf-actions .btn{white-space:normal;width:100%;min-width:0;padding:10px 8px}
.unit-col-number{width:4%}.unit-col-title{width:14%}.unit-col-scope{width:12%}.unit-col-pdf{width:18%}.unit-col-solved{width:10%}.unit-col-success{width:13%}.unit-col-students{width:12%}.unit-col-status{width:17%}
.teacher-unit-table-scroll::-webkit-scrollbar{height:10px}
.teacher-unit-table-scroll::-webkit-scrollbar-thumb{background:#d5b56d;border-radius:8px}
.unit-pdf-dialog{width:min(960px,calc(100vw - 24px));max-width:calc(100vw - 24px);height:90dvh;max-height:90dvh;padding:16px;border:1px solid #657d86;border-radius:14px;background:#153645;color:#fff;overflow:hidden}
.unit-pdf-dialog[open]{display:flex;flex-direction:column;gap:10px}
.unit-pdf-dialog::backdrop{background:rgba(0,0,0,.72)}
.unit-pdf-dialog-head,.unit-pdf-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex-shrink:0}
.unit-pdf-dialog-head{justify-content:space-between}.unit-pdf-dialog h2{margin:0;font-size:18px}.unit-pdf-status{margin:0;font-size:14px;flex-shrink:0}
.unit-pdf-links[hidden]{display:none}.unit-pdf-links .btn{min-height:44px}
.unit-pdf-pages{overflow:auto;flex:1;min-height:0;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y pinch-zoom;background:#60717a;border-radius:8px;padding:10px}
.unit-pdf-pages img{display:block;width:100%;min-width:650px;max-width:none;height:auto;margin:0 auto 14px;background:white}
@media(max-width:600px){.unit-pdf-toolbar label{width:100%}.unit-pdf-toolbar select{width:100%}.unit-pdf-toolbar .btn{flex:1;min-height:44px}.unit-pdf-dialog{padding:12px}.unit-pdf-dialog h2{font-size:16px;max-width:70%}.unit-pdf-links .btn{flex:1;font-size:12px}.unit-pdf-pages img{min-width:590px}}

.teacher-answer-key{min-height:44px;white-space:normal;max-width:100%;margin:6px 0}.unit-pdf-dialog{height:90vh;max-height:90vh;height:90dvh;max-height:90dvh;padding-bottom:max(12px,env(safe-area-inset-bottom))}

.teacher-unit-table-scroll{cursor:grab}.teacher-unit-table-scroll.is-dragging,.teacher-unit-table-scroll.is-dragging *{cursor:grabbing!important;user-select:none;-webkit-user-select:none}.teacher-unit-table-scroll button,.teacher-unit-table-scroll a{cursor:pointer}

/* Assignment analytics: keep cards inside the viewport; scroll wide question content locally. */
.assignment-analytics-grid[data-style="qs355"]{grid-template-columns:repeat(2,minmax(0,1fr))}
.assignment-analytics-grid>.card,.assignment-analytics-grid [data-style="qs360"]{min-width:0}
.assignment-analytics-grid [data-style="qs356"]{overflow-wrap:anywhere}
.assignment-analytics-grid [data-style="qs358"],.assignment-analytics-grid [data-style="qs361"]{flex-wrap:wrap;gap:4px 12px;overflow-wrap:anywhere}
.assignment-question-scroll{min-width:0;max-width:100%;overflow-x:auto;overflow-wrap:anywhere;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x pan-y pinch-zoom}
.assignment-question-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.assignment-question-scroll img{max-width:100%;height:auto}
@media(max-width:860px){.assignment-analytics-grid[data-style="qs355"]{grid-template-columns:minmax(0,1fr)}}

.teacher-test-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px}.teacher-test-grid>.card{min-width:0;margin:0}.teacher-test-grid h2{overflow-wrap:anywhere}.teacher-test-grid .unit-pdf-actions{align-items:stretch}