/* Lightweight classroom, sharing Academy's existing theme palette. */
.za-classroom-shell { --za-input-padding:8px 10px; --za-input-font-size:13px; width:min(1600px,calc(100% - 64px)); margin:24px auto 40px; display:grid; grid-template-columns:210px minmax(0,1fr); gap:24px; align-items:start; }
.za-classroom-sidebar { position:sticky; top:calc(var(--za-header-height) + 16px); display:grid; gap:4px; padding:16px 12px; border:1px solid var(--za-line); border-radius:var(--za-radius-card); background:var(--za-surface); }
.za-classroom-sidebar>.za-label { padding:0 10px 8px; }
.za-classroom-sidebar a { display:flex; gap:10px; align-items:center; min-height:38px; padding:8px 10px; font-size:13px; color:var(--za-muted); border-radius:var(--za-radius-control); }
.za-classroom-sidebar a[aria-current],.za-classroom-sidebar a:hover { background:var(--za-soft); color:var(--za-accent); }
html[data-theme="light"] .od-academy-page .za-classroom-sidebar :is(a,.za-label) { color:var(--za-color-white); }
html[data-theme="light"] .od-academy-page .za-classroom-sidebar a { font-weight:500; }
html[data-theme="light"] .od-academy-page .za-classroom-sidebar a:is([aria-current],:hover,:focus-visible) { background:rgba(var(--za-rgb-white),.14); }
html[data-theme="light"] .od-academy-page .za-classroom-sidebar a[aria-current] { font-weight:600; }
.za-classroom-main { min-width:0; }
.za-classroom-heading { display:flex; justify-content:space-between; align-items:center; gap:16px; margin:0 0 16px; }
.za-classroom-back { display:inline-flex; align-items:center; gap:8px; min-height:38px; padding:4px 12px 4px 4px; margin-bottom:8px; border:1px solid color-mix(in srgb,var(--za-accent) 40%,var(--za-line)); border-radius:var(--za-radius-pill); background:var(--za-surface); color:var(--ng-text); font-size:12px; font-weight:600; }
.za-classroom-back>span:first-child { display:grid; place-items:center; flex:none; width:28px; height:28px; border-radius:50%; background:var(--za-button-fill); color:var(--za-button-text); font-size:18px; }
.za-classroom-back:is(:hover,:focus-visible) { background:var(--za-soft); border-color:var(--za-accent); color:var(--ng-text); }
.za-classroom-heading h1 { font-size:28px; margin:4px 0 6px; line-height:1.25; }
.za-classroom-heading h1 span,.za-classroom-heading p { color:var(--za-muted); }
.za-classroom-heading p { margin:0; font-size:13px; line-height:1.6; }
.za-classroom-heading h1,.za-classroom-card h2 { overflow-wrap:anywhere; }
.za-classroom-heading--course,.za-classroom-heading--lesson { display:grid; grid-template-columns:auto minmax(0,1fr); gap:10px 16px; align-items:center; }
.za-classroom-heading--lesson { grid-template-columns:auto minmax(0,1fr) auto; }
.za-classroom-heading--course>div,.za-classroom-heading--lesson>div:not(.za-classroom-lesson-actions) { grid-column:2; grid-row:1; min-width:0; }
.za-classroom-heading--course>.za-classroom-back,.za-classroom-heading--lesson>.za-classroom-back { grid-column:1; grid-row:1; justify-self:start; margin:0; white-space:nowrap; }
.za-classroom-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr)); gap:20px; }
.za-classroom-card { --za-step-color:var(--za-step-blue); position:relative; display:block; color:var(--ng-text); background:var(--za-surface); border:1px solid color-mix(in srgb,var(--za-neon-color) 65%,var(--za-line)); border-radius:var(--za-radius-card); box-shadow:var(--za-neon-shadow); overflow:hidden; max-width:620px; }
.za-classroom-card[data-mode="in_person"] { --za-step-color:var(--za-step-amber); }
.za-classroom-card::before { content:""; position:absolute; z-index:1; inset:0 auto 0 0; width:4px; background:var(--za-neon-color); pointer-events:none; }
.za-classroom-card__image { position:relative; height:150px; background:var(--za-soft); }
.za-classroom-card__image img { width:100%; height:100%; object-fit:cover; object-position:right center; }
.za-classroom-card .za-classroom-modality { position:absolute; left:16px; bottom:12px; padding:5px 12px; background:var(--za-color-academy-blue); color:var(--za-color-white); border:1px solid rgba(var(--za-rgb-white),.4); border-radius:var(--za-radius-pill); font-size:12px; font-weight:600; line-height:1.5; }
.za-classroom-card .za-classroom-modality[data-mode="in_person"] { background:var(--za-color-brand-yellow); color:var(--za-color-page-navy); }
.za-classroom-card>div:last-child { padding:16px 18px; }
.za-classroom-card h2 { font-size:21px; margin:6px 0 8px; }
.za-classroom-card p,.za-classroom-card small,.za-classroom-card>div>span { color:var(--za-muted); font-size:13px; line-height:1.6; }
.za-classroom-card p { margin-bottom:10px; }
.za-classroom-access { display:block; margin-top:8px; }
.za-classroom-welcome { grid-column:1 / -1; display:flex; align-items:flex-start; gap:18px; width:100%; max-width:960px; padding:24px; border:1px solid var(--za-line); border-radius:var(--za-radius-panel); background:var(--za-surface); }
.za-classroom-welcome__icon { flex:none; display:grid; place-items:center; width:48px; height:48px; border:1px solid color-mix(in srgb,var(--za-accent) 30%,var(--za-line)); border-radius:var(--za-radius-mobile-panel); background:var(--za-soft); color:var(--za-accent); font-size:24px; }
.za-classroom-welcome__content { min-width:0; }
.za-classroom-welcome h2 { margin:0 0 10px; max-width:30ch; color:var(--ng-text); font-size:24px; line-height:1.35; }
.za-classroom-welcome p { max-width:64ch; margin:0; color:var(--za-muted); font-size:13px; line-height:1.7; }
.za-classroom-welcome__actions { display:flex; flex-wrap:wrap; gap:10px; margin:18px 0; }
.za-classroom-welcome .za-classroom-welcome__help { padding-top:14px; border-top:1px solid var(--za-line); font-size:12px; }
.za-classroom-tabs { display:flex; flex-wrap:wrap; gap:24px; border-bottom:1px solid var(--za-line); margin-bottom:12px; }
.za-classroom-tabs a { padding:8px 0; font-size:13px; color:var(--za-muted); border-bottom:2px solid transparent; }
.za-classroom-tabs a[aria-current] { color:var(--za-accent); border-color:var(--za-accent); }
.za-classroom-panel { padding:18px; margin:0 0 14px; background:var(--za-surface); border:1px solid var(--za-line); border-radius:var(--za-radius-card); min-width:0; }
.za-classroom-panel h2 { font-size:20px; margin:0 0 8px; }
.za-classroom-panel h3 { font-size:17px; margin:0 0 10px; }
.za-classroom-panel h4 { font-size:15px; margin:0 0 6px; }
.za-classroom-panel p { color:var(--za-muted); font-size:13px; line-height:1.65; margin-bottom:10px; }
.za-classroom-panel p:last-child { margin-bottom:0; }
.za-classroom-content-heading { display:flex; align-items:baseline; justify-content:space-between; flex-wrap:wrap; gap:4px 16px; margin:16px 0 12px; }
.za-classroom-content-heading h2 { font-size:18px; line-height:1.4; margin:0; }
.za-classroom-content-heading p { margin:0; font-size:12px; }
.za-classroom-notice,.za-classroom-empty { padding:10px 14px; margin-bottom:12px; background:var(--za-soft); color:var(--za-muted); border-radius:var(--za-radius-control); font-size:12px; line-height:1.6; }
.za-classroom-topics { display:grid; gap:8px; }
.za-classroom-topic { position:relative; border:1px solid var(--za-line); border-left:3px solid var(--za-accent); border-radius:var(--za-radius-control); background:var(--za-surface); }
.za-classroom-topic-link { display:flex; justify-content:space-between; align-items:center; gap:16px; min-height:60px; padding:10px 16px; color:var(--ng-text); font-size:14px; line-height:1.5; border-radius:inherit; }
.za-classroom-topic-link:is(:hover,:focus-visible) { color:var(--ng-text); background:var(--za-soft); }
.za-classroom-topic-link>span:first-child { min-width:0; overflow-wrap:anywhere; }
.za-classroom-topic small { display:block; color:var(--za-accent); font-size:10px; margin-bottom:2px; }
.za-classroom-topic-link>span:last-child { color:var(--za-muted); font-size:12px; white-space:nowrap; }
.za-classroom-topic--editable .za-classroom-topic-link { padding-right:280px; }
.za-classroom-topic-actions { position:absolute; top:10px; right:14px; display:flex; align-items:center; gap:12px; }
.za-classroom-topic-actions .za-classroom-topic-toggle { display:inline-flex; align-items:center; gap:8px; min-height:38px; padding:0; border:0; background:transparent; color:var(--ng-text); font-size:12px; font-weight:600; cursor:pointer; }
.za-classroom-topic-toggle:disabled { opacity:.6; cursor:wait; }
.za-classroom-topic-toggle__track { position:relative; flex:none; display:block; width:44px; height:24px; border:1px solid var(--za-line); border-radius:var(--za-radius-pill); background:var(--za-inner); }
.za-classroom-topic-toggle__track::after { content:""; position:absolute; top:3px; left:3px; width:16px; height:16px; border-radius:50%; background:var(--za-muted); transition:transform var(--za-motion-fast); }
.za-classroom-topic-toggle[aria-checked="true"] .za-classroom-topic-toggle__track { background:var(--za-accent); border-color:var(--za-accent); }
.za-classroom-topic-toggle[aria-checked="true"] .za-classroom-topic-toggle__track::after { transform:translateX(20px); background:var(--za-color-white); }
#editar-tema { scroll-margin-top:calc(var(--za-header-height) + 24px); }
.za-classroom-lesson> :is(video,iframe) { display:block; width:100%; max-width:1040px; aspect-ratio:16/9; height:auto; border:0; border-radius:var(--za-radius-control); background:var(--za-color-page-navy); margin:0 auto; }
.za-classroom-lesson>.za-classroom-prose>:last-child { margin-bottom:0; }
.za-classroom-lesson>.za-classroom-prose+:is(video,iframe,a) { margin-top:14px; }
.za-classroom-lesson-actions { display:flex; flex-wrap:wrap; align-items:center; gap:10px; }
.za-classroom-lesson-actions .za-classroom-back { margin:0; }
.za-classroom-lesson-pagination { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin-bottom:14px; }
.za-classroom-lesson-pagination :is(a,button) { display:grid; align-content:center; gap:4px; min-width:0; min-height:58px; padding:10px 14px; border:1px solid var(--za-line); border-radius:var(--za-radius-control); color:var(--ng-text); background:var(--za-surface); text-align:left; overflow-wrap:anywhere; }
.za-classroom-lesson-pagination > :last-child { grid-column:2; text-align:right; }
.za-classroom-lesson-pagination button:disabled { opacity:.45; cursor:not-allowed; }
.za-classroom-lesson-pagination a:is(:hover,:focus-visible) { border-color:var(--za-accent); }
.za-classroom-lesson-pagination span { color:var(--za-accent); font-size:12px; }
.za-classroom-lesson-pagination strong { font-size:13px; font-weight:500; }
.za-classroom-prose { overflow-wrap:anywhere; line-height:1.85; }
.za-classroom-prose img { max-width:100%; height:auto; }
.za-classroom-prose table { display:block; max-width:100%; overflow:auto; }
.za-classroom-prose iframe { width:100%; aspect-ratio:16/9; border:0; }
.za-classroom-plain { white-space:pre-wrap; overflow-wrap:anywhere; }
.za-classroom-row { display:flex; justify-content:space-between; gap:12px; align-items:center; flex-wrap:wrap; margin:12px 0; }
.za-classroom-row>div:last-child { display:flex; gap:10px; }
.za-classroom-session { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0; border-top:1px solid var(--za-line); }
.za-classroom-session p { margin-bottom:0; }
.za-classroom-session>div { min-width:0; overflow-wrap:anywhere; }
.za-classroom-session>span { font-size:12px; color:var(--za-muted); }
.za-classroom-field { display:grid; gap:6px; margin:12px 0; font-size:13px; }
.za-classroom-lookup { display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.za-classroom-lookup input { flex:1 1 150px; }
.za-classroom-field .za-classroom-notice { padding:12px; overflow-wrap:anywhere; line-height:1.7; }
.za-classroom-field :is(input,textarea,select),textarea[data-classroom-rich] { width:100%; min-width:0; padding:8px 10px; font:inherit; line-height:1.5; border:1px solid var(--za-line); border-radius:var(--za-radius-control); background:var(--za-inner); color:var(--ng-text); }
.za-classroom-check { display:flex; gap:10px; align-items:center; margin:12px 0; font-size:13px; }
.za-classroom-form-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr)); gap:0 16px; }
.za-classroom-publishing-form { margin-top:16px; padding-top:16px; border-top:1px solid var(--za-line); }
.za-classroom-form-actions,.za-classroom-session-actions { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.za-classroom-session .za-classroom-session-actions { flex-shrink:0; }
.za-classroom-announcement-heading { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; align-items:center; margin-bottom:10px; }
.za-classroom-announcement-heading h3 { margin:0; }
.za-classroom-announcement-preview { display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:4; overflow:hidden; }
.za-classroom-announcement-more { display:inline-flex; align-items:center; gap:8px; min-height:44px; color:var(--za-accent); font-size:13px; font-weight:600; }
.za-classroom-announcement-more:is(:hover,:focus-visible),.za-classroom-announcement-heading h3 a:is(:hover,:focus-visible) { text-decoration:underline; }
.za-classroom-announcement-copy .za-classroom-plain { max-width:80ch; }
.za-classroom-announcement-full { max-width:80ch; margin:0; }
.za-classroom-panel .za-classroom-row:first-child { margin-top:0; }
.za-classroom-publishing-status { margin-bottom:22px; }
.za-classroom-section-heading { display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:20px; }
.za-classroom-section-heading>div { flex:1 1 280px; min-width:0; }
.za-classroom-section-heading p { margin-bottom:0; }
.za-classroom-audience { margin:16px 0; padding:14px; border:1px solid var(--za-line); border-radius:var(--za-radius-control); min-width:0; }
.za-classroom-audience legend { float:none; width:auto; padding:0 6px; font-size:15px; font-weight:600; }
.za-classroom-audience .za-classroom-check { margin:8px 0; }
.za-classroom-member-picker { max-height:310px; overflow:auto; padding:8px; border:1px solid var(--za-line); border-radius:var(--za-radius-control); margin:12px 0; }
.za-classroom-member-option { display:flex; gap:10px; align-items:center; padding:10px; border-bottom:1px solid var(--za-line); cursor:pointer; }
.za-classroom-member-option:last-child { border:0; }
.za-classroom-member-option>input { flex:none; width:18px; height:18px; accent-color:var(--za-accent); }
.za-classroom-member-option>span { min-width:0; overflow-wrap:anywhere; }
.za-classroom-member-option strong { display:block; font-size:13px; }
.za-classroom-member-option small { display:block; color:var(--za-muted); font-size:12px; }
.za-classroom-recipient-count { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; align-items:center; font-size:13px; }
.za-classroom-recipient-count button { border:0; background:transparent; cursor:pointer; }
.za-classroom-lookup select { flex:1 1 160px; min-width:0; }
.za-classroom-group-details { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 16px; }
.za-classroom-group-members { margin-top:22px; padding-top:4px; border-top:1px solid var(--za-line); }
.za-classroom-bulk-toolbar { display:flex; flex-wrap:wrap; align-items:center; gap:10px 18px; font-size:13px; }
.za-classroom-bulk-toolbar .za-classroom-check { margin:0; }
.za-classroom-bulk-toolbar button { border:0; background:transparent; cursor:pointer; }
.za-classroom-bulk-move { display:flex; flex-wrap:wrap; align-items:flex-end; gap:10px; margin:14px 0; }
.za-classroom-bulk-move .za-classroom-field { flex:1 1 180px; margin:0; }
.za-classroom-bulk-move .za-button { min-height:44px; }
.za-classroom-members-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; max-height:420px; padding:0; border:0; }
.za-classroom-members-grid .za-classroom-member-option { min-width:0; border:1px solid var(--za-line); border-radius:var(--za-radius-control); background:var(--za-inner); }
.za-classroom-members-grid .za-classroom-member-option:has(input:checked) { border-color:var(--za-accent); background:var(--za-soft); }
.za-classroom-members-empty { grid-column:1/-1; padding:16px; margin:0; }
.za-classroom-group-hint { margin:18px 0 0; }
@media(max-width:640px) {
    .za-classroom-group-details,.za-classroom-members-grid { grid-template-columns:minmax(0,1fr); }
}
.za-classroom-session:has(>.za-classroom-audience-label) { flex-wrap:wrap; }
.za-classroom-session>.za-classroom-audience-label { flex-basis:100%; font-size:12px; margin:0; }
.za-classroom-messages { display:grid; gap:12px; max-height:500px; overflow:auto; padding:18px 0; }
.za-classroom-message { padding:16px; border-radius:var(--za-radius-control); border:1px solid var(--za-line); max-width:90%; background:var(--za-inner); }
.za-classroom-message small { color:var(--za-muted); font-size:11px; }
.za-classroom-message p { margin:8px 0 0; white-space:pre-wrap; overflow-wrap:anywhere; }
.za-classroom-message.is-own { justify-self:end; background:var(--za-soft); }
.od-academy-page .za-classroom-error,
.od-academy-page .za-classroom-admin .za-admin-errors {
    display:block;
    width:fit-content;
    max-width:100%;
    padding:8px 12px;
    margin:8px 0 12px;
    border:1px solid color-mix(in srgb,var(--za-danger) 55%,var(--za-line));
    border-radius:var(--za-radius-control);
    background:color-mix(in srgb,var(--za-danger) 12%,var(--za-surface));
    color:var(--za-danger);
    font-size:12px;
    font-weight:600;
    line-height:1.6;
    overflow-wrap:anywhere;
}
.od-academy-page .za-classroom-field .za-classroom-error { margin:0; }
.od-academy-page .za-classroom-admin .za-admin-errors ul { margin:0; padding-left:18px; }
.od-academy-page .za-classroom-admin .za-admin-errors li { color:inherit; }
.za-classroom-calendar { display:grid; grid-template-columns:repeat(7,minmax(0,1fr)); gap:5px; }
.za-classroom-calendar>strong { text-align:center; font-size:11px; padding:6px 0; color:var(--za-muted); }
.za-classroom-day { display:flex; flex-direction:column; align-items:flex-start; justify-content:flex-start; min-width:0; min-height:82px; padding:7px; text-align:left; align-self:stretch; font:inherit; background:var(--za-inner); color:var(--ng-text); border:1px solid var(--za-line); border-radius:var(--za-radius-control); cursor:pointer; }
.za-classroom-day .za-calendar-day-number { display:block; font-size:12px; }
.za-classroom-day.is-muted { opacity:.4; }
.za-classroom-day.has-class { border-color:var(--za-accent); background:var(--za-soft); }
.za-classroom-day.is-today>span { font-weight:bold; color:var(--za-accent); }
.za-classroom-day.is-selected { opacity:1; border-color:var(--za-accent); box-shadow:inset 0 0 0 1px var(--za-accent); background:var(--za-soft); }
.za-classroom-day:is(:hover,:focus-visible) { border-color:var(--za-accent); }
.za-calendar-day-event { display:block; margin-top:5px; font-size:10px; line-height:1.4; color:var(--za-accent); overflow-wrap:anywhere; }
.za-calendar-day-event time { font-weight:600; }
.za-calendar-day-event>span { display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:2; overflow:hidden; }
.za-classroom-day small { display:block; margin-top:3px; font-size:10px; }
.za-calendar-day-count { display:none !important; }
.za-calendar-toolbar { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px 20px; }
.za-calendar-toolbar>div:first-child { min-width:0; }
.za-calendar-toolbar h2 { margin-bottom:4px; }
.za-calendar-toolbar p { margin:0; font-size:12px; }
.za-calendar-controls { display:flex; align-items:center; gap:8px; }
.za-calendar-toolbar .za-calendar-filter { flex:1 1 100%; max-width:440px; margin:0; }
.za-calendar-toolbar .za-calendar-type { flex:0 1 200px; margin:0; }
.za-calendar-layout { display:grid; grid-template-columns:minmax(0,1.9fr) minmax(260px,1fr); align-items:start; gap:14px; }
.za-calendar-month { padding:12px; }
.za-calendar-month .za-calendar-hint { margin:10px 0 0; font-size:11px; }
.za-calendar-agenda { scroll-margin-top:calc(var(--za-header-height) + 16px); }
.za-calendar-agenda h3::first-letter { text-transform:uppercase; }
.za-calendar-meeting { padding:14px 0; border-top:1px solid var(--za-line); overflow-wrap:anywhere; }
.za-calendar-meeting:last-child { padding-bottom:0; }
.za-calendar-meeting-status { display:inline-block; margin-bottom:8px; padding:3px 8px; border-radius:var(--za-radius-pill); background:var(--za-soft); color:var(--za-accent); font-size:11px; font-weight:600; }
.za-calendar-agenda .za-calendar-meeting-course { font-size:12px; }
.za-calendar-meeting .za-button { margin-top:2px; }
.za-calendar-no-meetings { padding-top:8px; }
.za-physical-weekdays { margin:14px 0 8px; padding:0; border:0; min-width:0; }
.za-physical-weekdays legend { float:none; width:auto; margin-bottom:8px; font-size:13px; font-weight:500; }
.za-physical-weekdays>div { display:flex; flex-wrap:wrap; gap:8px; }
.za-physical-weekdays label { display:flex; align-items:center; gap:7px; min-height:38px; padding:7px 10px; border:1px solid var(--za-line); border-radius:var(--za-radius-control); font-size:12px; cursor:pointer; }
.za-physical-weekdays label:has(input:checked) { border-color:var(--za-accent); background:var(--za-soft); }
.za-physical-badge { display:inline-block; padding:4px 9px; border-radius:var(--za-radius-pill); background:color-mix(in srgb,var(--za-step-amber) 15%,var(--za-surface)); color:var(--za-step-amber); font-size:11px; font-weight:600; }
.za-calendar-meeting .za-physical-badge { background:color-mix(in srgb,var(--za-step-amber) 15%,var(--za-surface)); color:var(--za-step-amber); }
.za-physical-search { max-width:440px; }
.za-physical-form .za-classroom-field { margin:6px 0; }
.za-physical-form .za-physical-weekdays { margin-top:10px; }
.za-physical-form .za-classroom-audience { margin:10px 0; padding:10px; }
.za-physical-form .za-classroom-audience legend { margin-bottom:0; }
.za-physical-form .za-classroom-audience .za-classroom-field { margin:4px 0 8px; }
.za-physical-form .za-classroom-member-picker { max-height:190px; margin:8px 0; }
.za-physical-form .za-classroom-member-option { padding:8px; }
.za-physical-form small { font-size:11px; }
.za-physical-schedule { overflow-wrap:anywhere; }
.za-physical-schedule .za-classroom-section-heading { align-items:center; gap:6px 12px; margin-bottom:10px; }
.za-physical-schedule .za-classroom-section-heading>div { flex:1 1 180px; }
.za-physical-schedule .za-classroom-section-heading h3 { margin:0; }
.za-physical-schedule .za-classroom-form-actions { margin-top:12px; }
.za-physical-pagination { display:flex; align-items:center; justify-content:center; gap:16px; font-size:12px; }
@media(max-width:1199px) {
 .za-calendar-layout { grid-template-columns:minmax(0,1fr); }
}
.za-classroom-admin-grid { display:grid; grid-template-columns:minmax(230px,1fr) minmax(0,2fr); gap:16px; }
.za-classroom-choice-list { display:grid; gap:8px; margin:12px 0; }
.za-classroom-choice-list button,.za-classroom-topic-buttons button { text-align:left; display:grid; gap:4px; background:var(--za-inner); color:var(--ng-text); border:1px solid var(--za-line); border-radius:var(--za-radius-control); padding:10px 12px; font-size:13px; cursor:pointer; }
.za-classroom-choice-list :is(span,small),.za-classroom-topic-buttons span { color:var(--za-muted); font-size:12px; }
.za-classroom-choice-list .is-selected,.za-classroom-topic-buttons .is-selected { border-color:var(--za-accent); background:var(--za-soft); }
.za-classroom-topic-buttons { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr)); gap:8px; margin:14px 0; }
.za-classroom-admin .za-admin-errors { margin-bottom:24px; }
.za-classroom-user { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; padding:14px 0; border-top:1px solid var(--za-line); }
.za-classroom-user>div { display:flex; flex-direction:column; align-items:flex-start; gap:7px; min-width:0; overflow-wrap:anywhere; }
.za-classroom-user strong { font-size:14px; }
.za-classroom-user small,.za-classroom-user__label { font-size:12px; color:var(--za-muted); line-height:1.7; }
.za-classroom-user__label { margin-bottom:3px; }
.za-classroom-user__modality { border-radius:var(--za-radius-pill); padding:5px 10px; background:var(--za-color-academy-blue); color:var(--za-color-white); font-size:12px; font-weight:600; }
.za-classroom-user__modality[data-mode="in_person"] { background:var(--za-color-brand-yellow); color:var(--za-color-page-navy); }
.za-classroom-user__status[data-current] { color:var(--ng-value-positive); }
/* Compact controls stay the same size on Full HD and QHD screens. */
.od-academy-page .za-classroom-shell .za-button { min-height:38px; padding:8px 14px; font-size:12px; line-height:1.5; }
.od-academy-page .za-classroom-shell .za-icon-button { width:38px; height:38px; min-height:38px; }
.za-admin-page .za-classroom-shell .za-admin-heading { gap:16px; margin-bottom:16px; }
.za-admin-page .za-classroom-shell .za-admin-heading h1 { font-size:28px; margin:4px 0 6px; }
.za-admin-page .za-classroom-shell .za-admin-heading p { margin:0; font-size:13px; line-height:1.6; }
@media(min-width:1200px) {
 .za-classroom-admin-grid { grid-template-columns:280px minmax(0,1fr); }
 .za-classroom-publishing-form>.za-classroom-form-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media(max-width:999px) {
 .za-classroom-shell { width:calc(100% - 32px); grid-template-columns:1fr; gap:16px; margin-top:16px; }
 .za-classroom-sidebar { position:static; display:flex; flex-wrap:wrap; gap:5px; padding:12px; }
 .za-classroom-sidebar>.za-label { flex-basis:100%; padding:4px 8px; }
 .za-classroom-sidebar a { padding:10px; font-size:12px; }
 .za-classroom-admin-grid { grid-template-columns:1fr; }
}
@media(max-width:767px) {
 .za-physical-weekdays label { min-height:44px; }
 .od-academy-page .za-classroom-shell :is(.za-button,.za-icon-button) { min-height:44px; }
 .od-academy-page .za-classroom-shell .za-icon-button { width:44px; height:44px; }
 .za-classroom-sidebar a,.za-classroom-back,.za-classroom-tabs a,.za-classroom-topic-actions .za-classroom-topic-toggle { min-height:44px; }
 .za-classroom-field :is(input:not([type=checkbox]):not([type=radio]),select) { min-height:44px; }
 .za-classroom-topic-actions { top:8px; }
}
@media(max-width:575px) {
 .za-classroom-user { grid-template-columns:1fr; gap:18px; }
 .za-classroom-welcome { flex-direction:column; gap:20px; }
 .za-classroom-welcome__actions { flex-direction:column; }
 .za-classroom-welcome__actions .za-button { width:100%; }
 .za-classroom-panel { padding:16px; }
 .za-classroom-heading { align-items:flex-start; flex-direction:column; gap:8px; }
 .za-classroom-heading h1 { font-size:26px; }
 .za-classroom-heading--course,.za-classroom-heading--lesson { grid-template-columns:auto minmax(0,1fr); align-items:center; gap:8px 12px; }
 .za-classroom-heading--course>.za-classroom-back,.za-classroom-heading--lesson>.za-classroom-back { justify-content:center; width:44px; padding:4px; }
 .za-classroom-heading--course .za-classroom-back__text,.za-classroom-heading--lesson .za-classroom-back__text { display:none; }
 .za-classroom-heading--lesson>.za-classroom-lesson-actions { grid-column:2; }
 .za-classroom-session { align-items:flex-start; flex-direction:column; gap:14px; }
 .za-classroom-topic-link { padding:10px 12px; gap:10px; }
 .za-classroom-topic-actions { position:static; padding:8px 12px 0; flex-wrap:wrap; gap:8px 12px; }
 .za-classroom-topic--editable .za-classroom-topic-link { padding-right:12px; }
 .za-classroom-calendar { gap:3px; }
 .za-classroom-day { padding:5px 3px; min-height:60px; }
 .za-calendar-day-event { display:none; }
 .za-classroom-day>small:not(.za-calendar-day-count) { display:none; }
 .za-classroom-day .za-calendar-day-count { display:block !important; font-size:9px; color:var(--za-accent); }
 .za-classroom-message { max-width:100%; }
}