/* Admin workspace theme. Scoped so the learning interface retains its own palette. */
body.admin-mode {
  --paper:#f4f6fa; --white:#fff; --ink:#202c42; --muted:#8590a4;
  --green:#4169e8; --line:#e9edf4;
  background:var(--paper);color:var(--ink);
}
.admin-mode>.topbar { display:none; }
.admin-mode main { max-width:none;margin:0;padding:0; }
.admin-shell { min-height:100vh; }
.admin-sidebar { position:fixed;inset:0 auto 0 0;width:232px;background:#1d2a3c;color:#c1cad8;display:flex;flex-direction:column;z-index:8; }
.admin-brand { display:flex;align-items:center;gap:15px;padding:28px 23px 40px; }
.admin-brand-mark { color:#4b85ff;display:flex;align-items:center; }
.admin-brand strong { display:block;color:#fff;font-size:21px;letter-spacing:1px;line-height:1.5; }
.admin-brand small { display:block;color:#a5b2c4;font-size:11px;margin-top:5px;font-weight:400; }
.admin-nav { display:flex;flex-direction:column;gap:9px;padding:0 12px; }
.admin-nav-item { display:flex;align-items:center;gap:17px;border:0;background:transparent;color:#bec9d8;font-size:14px;font-weight:500;padding:16px 18px;border-radius:8px;text-align:left;white-space:nowrap; }
.admin-nav-item:hover { background:#ffffff0b;color:#fff; }
.admin-nav-item.selected { background:#4169e8;color:#fff;box-shadow:0 4px 12px #07192b18; }
.admin-nav-item:focus-visible,.admin-brand:focus-visible,.return-learning:focus-visible { background:#2d405a;color:#fff; }
.admin-nav-item.selected:focus-visible { background:#5278ee; }
.ui-icon { flex-shrink:0;vertical-align:middle; }
.sidebar-bottom { margin-top:auto;padding:26px 25px 24px; }
.return-learning { display:flex;gap:12px;align-items:center;font-size:12px;color:#bbc8d8;padding:10px 0; }
.sidebar-note { display:block;color:#e4bf72;font-size:16px;font-weight:500;line-height:1.9;letter-spacing:.3px;margin-top:10px; }
.admin-workspace { margin-left:232px;min-width:0; }
.admin-topbar { height:64px;display:flex;justify-content:space-between;align-items:center;background:#ffffffb8;border-bottom:1px solid #e6eaf1;padding:0 32px; }
.admin-breadcrumb { display:flex;gap:13px;align-items:center;font-size:12px;font-weight:600; }
.admin-breadcrumb>span:first-child { color:#7c879d; }
.breadcrumb-slash { color:#c3cbda;font-weight:400; }
.admin-profile { display:flex;gap:10px;align-items:center;font-size:12px;color:#45516a; }
.profile-icon { width:31px;height:31px;display:grid;place-items:center;background:#e9edf5;border-radius:50%;color:#61718a; }
.admin-content { padding:29px 28px 130px; }
.admin-page-header { display:flex;justify-content:space-between;gap:25px;align-items:center;margin-bottom:26px; }
.admin-page-header h1 { font-family:inherit;font-size:28px;font-weight:700;letter-spacing:-.6px;margin:0 0 8px;line-height:1.4; }
.admin-page-header p { color:#818ba0;font-size:13px;margin:0;line-height:1.7; }
.admin-mode .button { border-color:#e4e9f2;border-radius:7px;font-size:12px;padding:11px 16px;color:#46516a;background:#f8f9fc;gap:9px; }
.admin-mode .button:hover { background:#f1f4fb;border-color:#d8e0ef; }
.admin-mode .button.primary { background:#4169e8;color:#fff;border-color:#4169e8; }
.admin-mode .button.primary:hover,.admin-mode .button.primary:focus-visible { background:#355cda; }
.admin-upload { min-width:132px;min-height:43px;flex-shrink:0; }
.admin-mode .admin-layout { display:grid;grid-template-columns:minmax(365px,.95fr) minmax(450px,1.3fr);gap:16px;align-items:start; }
.admin-mode .admin-list { display:block;background:#fff;border:1px solid #eef1f6;border-radius:10px;padding:18px 13px 0;min-height:655px;overflow:hidden; }
.admin-list-toolbar { display:flex;gap:10px;align-items:center;padding:0 3px 20px; }
.search-control { position:relative;flex:1;min-width:100px; }
.search-control>.ui-icon { position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#96a0b3;pointer-events:none; }
.admin-mode input:not([type=range]):not([type=checkbox]),.admin-mode select,.admin-mode textarea { border:1px solid #e1e6ef;border-radius:6px;color:#34415a;background-color:#fff;box-shadow:none;font-size:12px; }
.admin-mode input:not([type=range]):not([type=checkbox]):focus,.admin-mode textarea:focus,.admin-mode select:focus { border-color:#d5def0;background-color:#f7f9ff;outline:none;box-shadow:none; }
.admin-mode .search-control input { padding:11px 9px 11px 36px;background:#f8f9fc;font-size:11px; }
.admin-list-toolbar select { width:118px;min-width:105px;padding:11px 27px 11px 11px;font-size:11px; }
.article-table-heading { display:grid;grid-template-columns:minmax(125px,1fr) 70px 39px 58px;gap:8px;background:#f7f8fc;color:#8b95aa;padding:12px 11px;font-size:10px;letter-spacing:.1px;border-radius:6px;margin-bottom:9px; }
.article-table-heading span:nth-child(n+3) { text-align:center; }
.admin-mode .admin-article { position:relative;margin:6px 0;padding:0;border:1px solid transparent;border-radius:7px;background:transparent; }
.admin-mode .admin-article:hover { background:#f8faff; }
.admin-mode .admin-article.current { background:#edf2ff;border-color:#dce5ff; }
.article-row-main { width:100%;display:grid;grid-template-columns:34px minmax(80px,1fr) 70px 39px 58px;gap:8px;align-items:center;padding:20px 10px 25px;background:transparent;border:0;text-align:left;color:#27334b;border-radius:7px;min-height:103px; }
.article-row-main:focus-visible { background:#edf2ff; }
.article-file-icon { display:grid;place-items:center;width:34px;height:40px;border-radius:7px;background:#f0f3f9;color:#8391ab; }
.current .article-file-icon { background:#e4ebff;color:#6680bc; }
.article-row-title { min-width:0; }
.article-row-title strong { display:block;font-size:12px;line-height:1.65;font-weight:650;overflow-wrap:anywhere; }
.article-row-title small { display:block;font-size:11px;color:#8b95aa;line-height:1.6;margin-top:3px; }
.article-row-course { font-size:10px;color:#7c87a0;line-height:1.6; }
.article-row-duration { color:#8690a5;font-size:10px;text-align:center;font-variant-numeric:tabular-nums; }
.article-row-state { text-align:center; }
.admin-mode .badge { padding:4px 7px;background:#f1f3f8;color:#929bad;font-size:10px;border-radius:4px;font-weight:600;line-height:1.4; }
.admin-mode .badge.published { color:#219466;background:#e6f5ed; }
.admin-mode .badge.review { color:#c27c25;background:#fff1db; }
.admin-mode .badge.failed { color:#c75555;background:#fff0ef; }
.admin-mode .badge.queued,.admin-mode .badge.aligning,.admin-mode .badge.decoding,.admin-mode .badge.validating { color:#5475d2;background:#edf2ff; }
.admin-mode .article-archive { position:absolute;bottom:7px;right:18px;padding:0;font-size:10px;color:#9aa3b4;line-height:1.4; }
.admin-mode .article-archive:hover { color:#4169e8; }
.article-live-hint { position:absolute;bottom:7px;left:53px;font-size:9px;color:#98a4bc; }
.admin-mode .row-error { padding:0 12px;margin:0 0 10px;font-size:10px; }
.admin-list-footer { display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding:16px 5px;border-top:1px solid #eef1f6;color:#a0a8b8;font-size:10px; }
.admin-mode .editor { border:1px solid #eef1f6;border-radius:10px;background:#fff;padding:22px 23px 21px;margin:0;min-height:655px;box-shadow:0 2px 8px #7182a003; }
.editor-heading { display:flex;justify-content:space-between;align-items:center;gap:15px;margin:0 0 10px; }
.editor-heading-title { display:flex;gap:14px;align-items:center; }
.admin-mode .editor-heading h2 { font-size:19px;font-weight:700;margin:0; }
.admin-mode .editor-close { color:#9da5b6;font-size:11px; }
.admin-mode .editor-tabs { gap:27px;margin-bottom:22px;border-color:#edf0f6; }
.admin-mode .editor-tabs .tab { font-size:12px;padding:15px 0 13px;font-weight:500; }
.admin-mode .tab.active { color:#4169e8;border-bottom-color:#4169e8;font-weight:650; }
.admin-mode .tab:focus-visible { background:#f2f5ff; }
.admin-mode .field { font-size:12px;margin:14px 0;gap:9px; }
.admin-mode .field>span { font-weight:500;color:#4a5770; }
.admin-metadata>.field { display:grid;grid-template-columns:76px minmax(0,1fr);gap:14px;align-items:center; }
.admin-metadata input,.admin-metadata select { min-height:39px; }
.admin-mode .admin-audio-field { margin-top:18px; }
.audio-upload-strip { display:flex;align-items:center;gap:9px;background:#f8f9fc;border:1px solid #e4e9f2;border-radius:6px;padding:9px 10px;min-width:0;min-height:47px; }
.audio-strip-icon { width:29px;height:29px;border-radius:50%;background:#e9edf6;display:grid;place-items:center;color:#8391ac;flex-shrink:0; }
.audio-file-name { flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px;color:#69758e; }
.audio-file-duration { font-size:10px;color:#8c97ae; }
.audio-preview { display:grid;place-items:center;width:25px;height:25px;border:0;background:#e8eeff;color:#4169e8;border-radius:50%;padding:0;flex-shrink:0; }
.audio-replace { position:relative;overflow:hidden;font-size:11px;color:#4169e8;font-weight:600;cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;min-height:28px; }
.admin-mode input.admin-audio-input { position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer;padding:0; }
.admin-mode .title-read { margin:14px 0 21px 90px;align-items:center;font-size:11px;gap:8px;color:#7b869c; }
.admin-mode .title-read input { width:15px;height:15px;margin:0; }
.admin-mode input[type=checkbox]:checked { background:#4169e8;border-color:#4169e8; }
.admin-mode input[type=checkbox]:focus-visible { background:#edf2ff; }
.admin-mode input[type=checkbox]:checked:focus-visible { background:#5278ee; }
.admin-mode .bilingual-editors { gap:14px; }
.admin-mode .bilingual-editors .field { margin:3px 0 0; }
.admin-mode .bilingual-editors .field>span { font-size:12px;font-weight:500;margin-bottom:2px; }
.admin-mode .bilingual-editors textarea { min-height:194px;padding:13px;font-size:12px;line-height:1.95; }
.pairing-hint { font-size:10px;line-height:1.6;color:#a0a9ba;margin:10px 0 6px; }
.admin-mode .pair-details,.admin-mode .extra-settings { font-size:10px;margin:10px 0; }
.admin-mode summary { color:#8d98af; }
.admin-mode summary:hover { color:#4169e8; }
.editor-actions { display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:22px;flex-wrap:wrap; }
.admin-mode .editor-actions .button { min-height:39px; }
.admin-error-note { background:#fff5f4;border-radius:6px;padding:12px;margin:10px 0;font-size:12px;line-height:1.7; }
.admin-mode .editor-empty { display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:570px;padding:25px; }
.editor-empty-icon { background:#f1f5ff;color:#7996e6;width:70px;height:70px;border-radius:17px;display:grid;place-items:center;margin-bottom:23px; }
.admin-mode .editor-empty h2 { font-size:18px; }
.admin-mode .editor-empty .button { margin-top:16px; }
.admin-mode .panel { border-color:#e8edf5;border-radius:10px;box-shadow:0 2px 8px #7182a003;padding:24px; }
.admin-mode .panel h2 { font-size:17px; }
.admin-mode .course-admin { max-width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start; }
.admin-mode .course-admin>.panel { margin:0; }
.admin-mode .course-admin>.panel:first-child { grid-column:1/-1; }
.admin-mode .course-admin .form-grid { grid-template-columns:1fr;gap:0; }
.admin-mode .course-admin>.panel:first-child .form-grid { grid-template-columns:1fr 1.6fr .5fr;gap:18px; }
.admin-mode .course-admin .toolbar { margin:0 0 14px; }
.admin-mode .course-admin .toolbar h2 { margin-right:0; }
.admin-mode .course-admin .toolbar .muted { margin-left:auto;font-size:11px; }
.admin-mode .course-admin .panel>.toolbar:last-of-type { margin:13px 0 4px; }
.admin-mode .review-row { border-color:#edf0f6;padding:14px 0 20px; }
.admin-mode .review-en { font-family:inherit;font-size:13px;line-height:1.9;color:#4e5a72; }
.admin-mode .review-row .form-grid { gap:14px; }
.admin-mode .review-row .field { margin:10px 0; }
.admin-mode .review-row details { color:#939eb3; }
.admin-mode .review-row .number { color:#a0aac0; }
.admin-mode .review-row textarea { min-height:65px; }
.admin-mode .review-row details textarea { min-height:150px; }
.publish-summary { padding:3px 0 18px; }
.publish-summary h3 { font-size:15px;color:#3a4860; }
.publish-summary dl { display:grid;grid-template-columns:80px 1fr;gap:20px 15px;padding:20px;background:#f8f9fc;border-radius:8px;font-size:12px; }
.publish-summary dt { color:#8b97ab; }
.publish-summary dd { margin:0;color:#4d5a73; }
.publish-summary p { font-size:12px;line-height:1.9; }
.admin-mode .text-button { color:#6883ca; }
.admin-mode .player { left:232px;background:#fffffff5;border-color:#e5eaf4; }
.admin-mode .play-button { background:#4169e8; }
.admin-mode .play-button:focus-visible { background:#5278ee; }
.admin-mode .icon-button { color:#6883ca; }
.admin-mode input[type=range] { accent-color:#4169e8; }
.admin-mode .toast { background:#344762;box-shadow:0 6px 18px #253a3210; }
.admin-mode .migration-dialog { border-color:#e3e9f3;color:#34415a; }
.admin-mode .migration-dialog::backdrop { background:#1d2a3c66; }
@media(min-width:1600px){
 .admin-content { padding:32px 34px 130px; }
 .admin-mode .admin-layout { grid-template-columns:minmax(470px,.95fr) minmax(560px,1.3fr);gap:18px; }
 .article-table-heading { grid-template-columns:minmax(125px,1fr) 90px 49px 70px;gap:12px; }
 .article-row-main { grid-template-columns:38px minmax(100px,1fr) 90px 49px 70px;gap:12px;padding:22px 12px 27px; }
 .article-row-title strong { font-size:13px; }
 .article-row-course,.article-row-duration { font-size:11px; }
 .admin-mode .editor { padding:26px 28px; }
 .admin-mode .bilingual-editors textarea { min-height:220px; }
}
@media(max-width:1150px){
 .admin-sidebar { width:204px; }
 .admin-brand { padding-left:20px;padding-right:15px;gap:10px; }
 .admin-brand strong { font-size:19px; }
 .admin-brand small { font-size:10px; }
 .admin-workspace { margin-left:204px; }
 .admin-content { padding:24px 20px 120px; }
 .admin-topbar { padding:0 24px; }
 .admin-mode .admin-layout { grid-template-columns:minmax(330px,.9fr) minmax(400px,1.25fr); }
 .article-table-heading { grid-template-columns:minmax(130px,1fr) 39px 58px; }
 .article-table-heading span:nth-child(2),.article-row-course { display:none; }
 .article-row-main { grid-template-columns:30px minmax(100px,1fr) 39px 58px; }
 .admin-metadata>.field { grid-template-columns:66px 1fr;gap:8px; }
 .admin-mode .title-read { margin-left:74px; }
 .audio-strip-icon { display:none; }
 .admin-mode .player { left:204px; }
}
@media(max-width:1024px){
 .admin-mode .admin-layout { grid-template-columns:minmax(0,1fr); }
 .admin-mode .admin-list { min-height:0;padding-bottom:0; }
 .admin-article-rows { max-height:320px;overflow:auto; }
 .article-table-heading { grid-template-columns:minmax(160px,1fr) 90px 49px 70px; }
 .article-table-heading span:nth-child(2),.article-row-course { display:block; }
 .article-row-main { grid-template-columns:34px minmax(125px,1fr) 90px 49px 70px; }
 .admin-mode .editor { min-height:0; }
 .admin-mode .course-admin { grid-template-columns:1fr; }
 .admin-mode .course-admin>.panel:first-child .form-grid { grid-template-columns:1fr;gap:0; }
}
@media(max-width:720px){
 .admin-sidebar { position:relative;width:100%;height:auto; }
 .admin-brand { padding:18px 20px 16px; }
 .admin-brand strong { font-size:17px; }
 .admin-brand small,.sidebar-bottom { display:none; }
 .admin-brand-mark svg { width:28px;height:28px; }
 .admin-nav { flex-direction:row;gap:4px;padding:0 12px 12px;overflow:auto; }
 .admin-nav-item { gap:7px;padding:11px 12px;font-size:11px;border-radius:6px; }
 .admin-nav-item svg { width:16px;height:16px; }
 .admin-workspace { margin-left:0; }
 .admin-topbar { padding:0 19px;height:52px; }
 .admin-profile { font-size:10px;gap:7px; }
 .admin-breadcrumb { font-size:11px;gap:9px; }
 .admin-content { padding:23px 14px 135px; }
 .admin-page-header { align-items:flex-start;margin-bottom:20px;gap:13px; }
 .admin-page-header h1 { font-size:23px; }
 .admin-page-header p { font-size:11px;max-width:230px; }
 .admin-upload { min-width:96px;min-height:37px;padding:9px 10px!important;font-size:11px!important;gap:6px!important; }
 .admin-upload svg { width:15px; }
 .admin-mode .admin-list { padding:13px 9px 0; }
 .admin-list-toolbar { gap:9px;padding-bottom:13px; }
 .admin-list-toolbar select { width:110px;min-width:98px;font-size:10px; }
 .article-table-heading { grid-template-columns:minmax(125px,1fr) 39px 58px;gap:7px; }
 .article-table-heading span:nth-child(2),.article-row-course { display:none; }
 .article-row-main { grid-template-columns:29px minmax(80px,1fr) 39px 58px;gap:7px;padding:15px 8px 23px;min-height:88px; }
 .article-row-title strong { font-size:11px; }
 .article-row-title small { font-size:10px; }
 .article-file-icon { width:29px;height:35px; }
 .article-file-icon svg { width:18px; }
 .admin-mode .article-archive { right:18px;bottom:4px; }
 .article-live-hint { bottom:4px;left:44px; }
 .admin-mode .editor { padding:20px 17px; }
 .admin-mode .editor-heading h2 { font-size:17px; }
 .admin-mode .editor-tabs { gap:24px;margin-bottom:17px; }
 .admin-mode .editor-tabs .tab { font-size:11px; }
 .admin-metadata>.field { grid-template-columns:64px 1fr;gap:9px; }
 .admin-mode .field { font-size:11px;margin:12px 0; }
 .admin-mode .title-read { margin-left:73px;font-size:10px; }
 .admin-mode .bilingual-editors { grid-template-columns:1fr;gap:15px; }
 .admin-mode .bilingual-editors textarea { min-height:160px; }
 .audio-file-duration { display:none; }
 .audio-upload-strip { padding:7px 8px;gap:6px; }
 .audio-file-name,.audio-replace { font-size:10px; }
 .editor-actions { gap:9px; }
 .admin-mode .editor-actions .button { font-size:11px;padding:10px 11px; }
 .admin-mode .player { left:0; }
}

/* Shared collection component, presented inside the admin workspace. */
.admin-mode .favorite-card { background:#fff;border-color:var(--line); }
.admin-mode .favorite-card.playing { border-color:#b9caf9;background:#eef3ff; }
.admin-mode .favorite-card .en { font-size:20px; }
.admin-mode .favorite-card .zh { color:#7a879b; }
.admin-mode .admin-body>.toolbar { margin-top:0;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:10px; }

.task-progress { padding:22px;background:#f7f9ff;border:1px solid #e3eaf9;border-radius:10px;margin:20px 0; }
.task-progress-heading { display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap; }
.task-progress-heading strong { font-size:14px; }
.task-steps { display:flex;gap:12px;list-style:none;padding:0;margin:22px 0;font-size:11px;color:#8a96aa;flex-wrap:wrap; }
.task-steps li { border-bottom:2px solid #e3e8f1;padding:0 0 9px;flex:1;white-space:nowrap; }
.task-steps li.current { color:#4169e8;border-color:#4169e8;font-weight:600; }
.task-steps li.done { color:#617ba9;border-color:#b7c8ed; }
.task-progress progress { width:100%;height:9px;border:0;border-radius:8px;overflow:hidden;accent-color:#4169e8; }
.task-progress progress::-webkit-progress-bar { background:#e5ebf7;border-radius:8px; }
.task-progress progress::-webkit-progress-value { background:#4169e8;border-radius:8px; }
.task-detail { font-size:13px;color:#4169e8;margin-top:12px; }

/* Course library: compact rows, local filtering and paged results. */
.course-manager { background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px; }
.course-manager-heading { display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px; }
.course-manager-heading h2 { font-size:19px;margin-bottom:5px; }
.course-manager-heading p { margin:0; }
.course-filters { display:flex;align-items:center;gap:12px;padding:16px 0 24px;border-top:1px solid var(--line); }
.course-filters .search-control { max-width:470px;margin-right:auto; }
.course-filters select { min-width:118px; }
.course-table { overflow-x:auto; }
.course-table-head,.course-table-row { display:grid;grid-template-columns:minmax(260px,1fr) 140px 100px 100px;gap:16px;align-items:center;min-width:620px; }
.course-table-head { background:#f7f9fc;color:#8591a6;font-size:12px;border-radius:7px;padding:14px 16px; }
.course-table-row { padding:20px 16px;border-bottom:1px solid #eef1f6;font-size:12px; }
.course-table-row:hover { background:#fafbff; }
.course-row-info { display:flex;align-items:center;gap:16px;min-width:0; }
.course-row-info>div { min-width:0; }
.course-row-info strong { display:block;font-size:14px;font-weight:600;overflow-wrap:anywhere;line-height:1.6; }
.course-row-info p { font-size:12px;color:#8893a7;margin:5px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px; }
.course-row-info small { color:#a2aabb;font-size:10px; }
.course-thumb { display:flex;justify-content:center;align-items:center;flex-shrink:0;width:88px;height:58px;border-radius:7px;background:#edf2fc;color:#92a7d4;overflow:hidden; }
.course-thumb img { width:100%;height:100%;object-fit:cover; }
.course-issue { display:inline-block;background:#eff3ff;color:#5270be;padding:5px 9px;border-radius:5px;overflow-wrap:anywhere;line-height:1.5; }
.course-state { color:#2d9a70;background:#edf8f2;padding:5px 9px;border-radius:5px;font-size:11px;white-space:nowrap; }
.course-state.archived { color:#8a94a6;background:#f1f3f7; }
.course-row-actions { display:flex;gap:17px; }
.course-row-actions .text-button { font-size:12px;white-space:nowrap; }
.course-row-actions .text-button:last-child { color:#8e99ac; }
.course-pagination { display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:23px;flex-wrap:wrap; }
.course-pagination>div { display:flex;align-items:center;gap:14px; }
.course-pagination select { font-size:11px; }
.course-dialog { width:min(680px,calc(100% - 32px));padding:28px;border:1px solid #e2e8f3;border-radius:14px;max-height:calc(100dvh - 50px);overflow-y:auto;color:var(--ink); }
.course-dialog::backdrop { background:#24364b66;backdrop-filter:blur(3px); }
.course-dialog-heading { display:flex;justify-content:space-between;align-items:flex-start;gap:15px; }
.course-dialog-heading h2 { margin-bottom:6px; }
.course-dialog-heading p { margin:0 0 22px; }
.course-cover-editor { display:flex;gap:22px;align-items:center;background:#f7f9fd;padding:16px;border-radius:9px;margin-bottom:20px; }
.course-cover-preview { width:190px;aspect-ratio:16/10;border-radius:7px;overflow:hidden;background:#eaf0fc;flex-shrink:0; }
.course-cover-preview img { width:100%;height:100%;object-fit:cover; }
.course-cover-placeholder { height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:#90a5ce;font-size:11px; }
.course-cover-editor>div:last-child { min-width:0; }
.course-cover-editor .field { margin-top:0; }
.course-dialog-actions { display:flex;justify-content:flex-end;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:24px; }
.course-dialog .form-grid { gap:18px; }
@media(max-width:1150px){.course-table-head,.course-table-row { grid-template-columns:minmax(220px,1fr) 100px 80px 90px;gap:12px;min-width:550px; }.course-thumb { width:74px;height:52px; }.course-row-info { gap:12px; }}
@media(max-width:720px){.course-manager { padding:18px 14px; }.course-filters { flex-wrap:wrap; }.course-filters .search-control { flex-basis:100%;max-width:none; }.course-filters select { flex:1; }.course-pagination>div { gap:9px;flex-wrap:wrap; }.course-cover-editor { flex-direction:column;align-items:stretch; }.course-cover-preview { width:100%;max-height:200px; }.course-dialog { padding:22px 18px; }.course-dialog .form-grid { gap:0; }}

.course-sort-hint { font-size:11px;color:#8b97ac;margin:-10px 0 15px;line-height:1.8; }
.course-drag-handle { width:22px;min-width:22px;height:36px;padding:0;display:grid;place-items:center;border:0;border-radius:5px;background:transparent;color:#a5b0c3;cursor:grab;touch-action:none;user-select:none; }
.course-drag-handle:hover,.course-drag-handle:focus-visible { color:#4169e8;background:#edf2ff; }
.course-drag-handle:active { cursor:grabbing; }
.course-drag-handle:disabled { cursor:default;opacity:.35; }
.course-drag-handle .ui-icon { stroke-width:3.4; }
.course-table-row { position:relative; }
.course-table-row.dragging { opacity:.45;background:#f3f6ff; }
.course-table-row.drop-before::before,.course-table-row.drop-after::after { content:'';position:absolute;height:3px;border-radius:4px;background:#4169e8;left:10px;right:10px;z-index:1; }
.course-table-row.drop-before::before { top:0; }
.course-table-row.drop-after::after { bottom:0; }
.sort-drag-ghost { position:fixed;z-index:100;pointer-events:none;background:#fff;color:#3654a3;border:1px solid #cfdaf7;border-radius:8px;padding:12px 18px;font-size:13px;max-width:280px;box-shadow:0 8px 24px #243d6a20; }
.course-manager.sort-saving .course-table { opacity:.65; }

/* Article management: readable text at every supported viewport. */
.admin-mode :is(.admin-layout .editor,.focused-article-editor) { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) input:not([type=range]):not([type=checkbox]),
.admin-mode :is(.admin-layout .editor,.focused-article-editor) select,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) textarea { font-size:15px;line-height:1.7; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .field,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .bilingual-editors .field>span { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .bilingual-editors textarea { font-size:16px;line-height:1.85;min-height:250px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .field small,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .small { font-size:13px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .editor-tabs .tab { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .button,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .text-button { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .title-read { font-size:14px;color:#64728a; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .audio-file-name,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .audio-replace { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .audio-file-duration { font-size:12px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .pairing-hint { font-size:14px;line-height:1.8;color:#68758c;margin:14px 0 8px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .pair-details,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .extra-settings { font-size:14px;margin:10px 0; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) summary { font-size:14px;line-height:1.8;color:#64728a;padding:4px 0; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) summary:hover { color:#4169e8; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .pair-row { font-size:14px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .review-en { font-size:16px; }
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .publish-summary dl,
.admin-mode :is(.admin-layout .editor,.focused-article-editor) .publish-summary p { font-size:14px; }
.admin-mode .admin-layout .article-row-title strong { font-size:15px; }
.admin-mode .admin-layout .article-row-title small,
.admin-mode .admin-layout .article-row-course,
.admin-mode .admin-layout .article-row-duration,
.admin-mode .admin-layout .article-table-heading,
.admin-mode .admin-layout .admin-list-footer,
.admin-mode .admin-layout .article-archive,
.admin-mode .admin-layout .badge { font-size:12px; }
.admin-mode .admin-layout .admin-list-toolbar input,
.admin-mode .admin-layout .admin-list-toolbar select { font-size:13px; }
@media(max-width:720px){
  .admin-mode :is(.admin-layout .editor,.focused-article-editor) .bilingual-editors textarea { min-height:220px; }
  .admin-mode :is(.admin-layout .editor,.focused-article-editor) .editor-tabs { gap:20px; }
  .admin-mode :is(.admin-layout .editor,.focused-article-editor) .audio-file-name,
  .admin-mode :is(.admin-layout .editor,.focused-article-editor) .audio-replace { font-size:13px; }
}

.article-sort-hint { padding:0 4px;margin:-4px 0 14px;color:#73819a;font-size:13px;line-height:1.8; }
.article-sortable .article-file-icon { visibility:hidden; }
.admin-mode .article-drag-handle { position:absolute;left:10px;top:22px;width:34px;height:40px;background:#f0f3f9; }
.admin-mode .article-drag-handle:not(:disabled):hover,.admin-mode .article-drag-handle:focus-visible { background:#e3ebff; }
.admin-article.dragging { opacity:.45; }
.admin-article.drop-before::before,.admin-article.drop-after::after { content:'';position:absolute;height:3px;border-radius:4px;background:#4169e8;left:4px;right:4px;z-index:2; }
.admin-article.drop-before::before { top:0; }
.admin-article.drop-after::after { bottom:0; }
@media(min-width:1600px){.admin-mode .article-drag-handle { left:12px;top:24px; }}
@media(max-width:1150px){.admin-mode .article-drag-handle { width:30px; }}
@media(max-width:720px){.admin-mode .article-drag-handle { width:29px;height:35px;left:8px;top:18px; }}

.admin-mode .player-close { color:#8391ac; }
.admin-mode .player-close:hover,.admin-mode .player-close:focus-visible { color:#4169e8;background:#edf2ff; }

/* Course-first browsing and an independent admin listening workspace. */
.course-overview { padding:0;border:0;background:transparent; }
.course-overview .course-manager-heading { margin:0 0 18px; }
.course-overview .course-filters { padding:17px 19px;background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 18px; }
.course-overview .course-filters input,.course-overview .course-filters select { font-size:14px; }
.course-overview .course-sort-hint { font-size:13px;margin:0 0 16px; }
.admin-course-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px; }
.admin-course-grid>.empty { grid-column:1/-1; }
.admin-course-card { position:relative;background:#fff;border:1px solid #e4eaf4;border-radius:12px;overflow:hidden;transition:border-color .15s;min-width:0; }
.admin-course-card:hover { border-color:#b9c9ef; }
.admin-course-card-cover { display:flex;align-items:center;justify-content:center;aspect-ratio:16/8;background:#e9effa;overflow:hidden; }
.admin-course-card-cover img { width:100%;height:100%;object-fit:cover;transition:transform .2s; }
.admin-course-card-cover:hover img { transform:scale(1.025); }
.admin-course-card-cover.placeholder { background:linear-gradient(135deg,#e7efff,#edf3f7);color:#8ca5d4; }
.admin-course-card-cover.placeholder>span { display:flex;align-items:center;justify-content:center;gap:13px; }
.admin-course-card-cover small { font-size:11px;letter-spacing:1.5px; }
.admin-mode .course-card-handle { position:absolute;top:12px;left:12px;width:32px;height:34px;z-index:2;background:#ffffffea;color:#7b8dac;box-shadow:0 2px 8px #2847720d; }
.admin-course-card-body { padding:17px 19px 0; }
.admin-course-card-meta { display:flex;align-items:center;justify-content:space-between;gap:10px; }
.admin-course-card .course-issue { font-size:13px; }
.admin-course-card-info { display:block;padding:14px 0 15px; }
.admin-course-card-info strong { display:block;font-size:17px;font-weight:650;line-height:1.6;color:#2c3b56; }
.admin-course-card-info p { color:#8390a5;font-size:13px;line-height:1.8;min-height:46px;margin:7px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden; }
.admin-course-card-footer { display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #edf0f6;padding:13px 0; }
.admin-course-card-footer>div { display:flex;gap:16px; }
.admin-course-card-footer .text-link,.admin-course-card-footer .text-button { font-size:13px; }
.admin-course-card-footer .text-button:last-child { color:#929db1; }
.admin-course-card.dragging { opacity:.4; }
.admin-course-card.drop-before::before,.admin-course-card.drop-after::after { content:'';position:absolute;top:0;bottom:0;width:4px;background:#4169e8;z-index:3; }
.admin-course-card.drop-before::before { left:0; }
.admin-course-card.drop-after::after { right:0; }
.course-overview .course-pagination { margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:16px 18px; }
.admin-back-link { display:inline-flex;gap:9px;align-items:center;color:#6c7f9e;font-size:13px;margin-bottom:20px; }
.admin-back-link:hover { color:#4169e8; }
.admin-course-hero { display:flex;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px;margin-bottom:25px; }
.admin-course-hero-cover { width:180px;aspect-ratio:16/10;display:flex;justify-content:center;align-items:center;flex-shrink:0;overflow:hidden;border-radius:9px;background:#eaf0fc;color:#8da4d0; }
.admin-course-hero-cover img { width:100%;height:100%;object-fit:cover; }
.admin-course-hero-info { flex:1;min-width:0; }
.admin-section-eyebrow { color:#7c91b7;font-size:11px;letter-spacing:1.5px;font-weight:600; }
.admin-course-hero h2 { font-size:22px;margin:8px 0;line-height:1.5; }
.admin-course-hero p { color:#8a95a8;font-size:14px;line-height:1.8; }
.admin-course-meta { display:flex;gap:12px;align-items:center; }
.admin-course-hero-actions { display:flex;flex-direction:column;gap:11px; }
.admin-course-contents { background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px; }
.admin-contents-toolbar { display:flex;justify-content:space-between;gap:22px;align-items:center;margin-bottom:22px; }
.admin-contents-toolbar h2 { font-size:19px;margin-bottom:6px; }
.admin-contents-toolbar .muted { font-size:12px; }
.admin-contents-filters { display:flex;gap:12px;align-items:center; }
.admin-contents-filters .search-control { width:240px; }
.admin-mode .admin-contents-filters input,.admin-mode .admin-contents-filters select { font-size:13px; }
.admin-course-article { display:flex;align-items:center;border:1px solid transparent;border-bottom-color:#edf0f6;gap:18px;border-radius:8px; }
.admin-course-article:hover { background:#f8faff; }
.admin-course-article.listening { background:#eef3ff;border-color:#dce6ff; }
.admin-course-article-open { display:flex;align-items:center;gap:18px;padding:21px 10px;flex:1;min-width:0; }
.admin-article-number { color:#a0abc0;font-size:12px;min-width:23px;font-variant-numeric:tabular-nums; }
.admin-course-play-icon { width:40px;height:40px;flex-shrink:0;display:grid;place-items:center;background:#edf2fc;color:#6a89d2;border-radius:50%; }
.admin-course-article-copy { flex:1;min-width:0; }
.admin-course-article-copy strong { display:block;font-size:16px;font-weight:600;line-height:1.6; }
.admin-course-article-copy p { font-size:13px;color:#8b96aa;margin:3px 0 8px;line-height:1.7; }
.admin-course-article-meta { display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:11px;color:#9aa5b7; }
.admin-course-open-label { color:#7087b8;font-size:12px;display:flex;align-items:center;gap:8px;white-space:nowrap; }
.admin-course-open-label svg { transform:rotate(180deg); }
.admin-course-article-edit { font-size:13px;padding:10px 15px 10px 0; }
.admin-contents-pagination { display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:22px; }
.admin-contents-pagination>div { display:flex;align-items:center;gap:15px;font-size:12px;color:#8190a8; }
.admin-play-heading { background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 30px;margin-bottom:22px; }
.admin-play-heading-meta { display:flex;gap:14px;align-items:center;flex-wrap:wrap; }
.admin-play-heading h1 { font-family:inherit;font-size:29px;font-weight:650;letter-spacing:-.4px;margin:13px 0 5px;line-height:1.5; }
.admin-play-subtitle { color:#8b96a9;font-size:15px;margin:0; }
.admin-play-meta { display:flex;gap:20px;color:#9aa5b7;font-size:12px;margin:17px 0; }
.admin-play-actions { display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px; }
.admin-mode .admin-listen-button { padding:12px 21px;font-size:14px; }
.admin-adjacent-articles { display:flex;gap:9px; }
.admin-play-actions .text-link { margin-left:auto;font-size:13px; }
.admin-preview-versions { display:flex;gap:16px; }
.admin-preview-version { font-size:13px;padding:7px 10px;color:#8a97ad;border-radius:6px; }
.admin-preview-version.selected { background:#eef3ff;color:#4169e8; }
.admin-play-layout { display:grid;grid-template-columns:240px minmax(0,1fr);gap:22px;align-items:start; }
.admin-play-sidebar { background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 13px;position:sticky;top:20px;min-width:0; }
.admin-play-sidebar-heading { display:flex;align-items:center;justify-content:space-between;padding:0 9px 15px; }
.admin-play-sidebar h2 { font-size:16px;margin:0; }
.admin-play-sidebar-heading>span { font-size:11px;color:#94a1b8;background:#f3f6fb;padding:3px 7px;border-radius:5px; }
.admin-play-article-nav { display:flex;flex-direction:column;gap:7px;max-height:calc(100vh - 270px);overflow-y:auto; }
.admin-play-article-link { display:flex;gap:10px;align-items:center;padding:13px 10px;border-radius:7px;min-width:0; }
.admin-play-article-link>span { color:#a2aec2;font-size:10px; }
.admin-play-article-link>div { flex:1;min-width:0; }
.admin-play-article-link strong { display:block;font-size:15px;font-weight:500;line-height:1.7;color:#596b88;overflow-wrap:anywhere; }
.admin-play-article-link small { display:block;color:#a4aec0;font-size:12px;line-height:1.6;margin-top:5px;overflow-wrap:anywhere; }
.admin-play-article-link.selected { background:#edf3ff;color:#4169e8; }
.admin-play-article-link.selected strong { color:#4169e8;font-weight:600; }
.admin-reading { background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 19px;min-width:0; }
.admin-mode .admin-reading .reading-heading { margin:0 10px 15px;font-size:13px; }
.admin-mode .admin-reading .reading-heading>span:last-child { font-size:12px; }
.admin-mode .admin-reading .en { font-family:inherit;font-size:19px;line-height:1.9; }
.admin-mode .admin-reading .zh { color:#8c98ad;font-size:14px;line-height:1.9;margin-top:9px; }
.admin-mode .admin-reading .sentence { gap:12px;padding:20px 55px 20px 13px; }
.admin-mode .admin-reading .sentence:hover { background:#f7f9fd; }
.admin-mode .admin-reading .sentence.active { background:#edf3ff;border-color:#d9e5ff;box-shadow:inset 3px 0 #4169e8; }
.admin-mode .admin-reading .number,.admin-mode .admin-reading .stamp { color:#a2b0c7; }
.admin-mode .admin-reading .raw-sentence { grid-template-columns:28px 1fr;cursor:default;padding-right:15px; }
.admin-mode .admin-reading.reading-no-favorites .sentence { padding-right:15px; }
.admin-preview-note { color:#6e85ae;background:#f3f7ff;border-radius:7px;padding:13px 15px;font-size:13px;line-height:1.8;margin:0 0 20px; }
@media(max-width:1100px){
  .admin-play-layout { grid-template-columns:1fr; }
  .admin-play-sidebar { position:static; }
  .admin-play-article-nav { max-height:210px; }
  .admin-course-hero { gap:18px; }
  .admin-course-hero-cover { width:140px; }
  .admin-contents-toolbar { align-items:flex-start;flex-direction:column;gap:16px; }
  .admin-contents-filters { width:100%; }
  .admin-contents-filters .search-control { flex:1;width:auto; }
}
@media(max-width:720px){
  .admin-course-grid { grid-template-columns:1fr;gap:16px; }
  .course-overview .course-filters { padding:13px; }
  .course-overview .course-manager-heading { gap:12px; }
  .course-overview .course-manager-heading .button { white-space:nowrap; }
  .admin-course-hero { flex-wrap:wrap;padding:19px; }
  .admin-course-hero-cover { width:95px; }
  .admin-course-hero h2 { font-size:19px; }
  .admin-course-hero-info p { font-size:12px; }
  .admin-course-hero-actions { flex-direction:row;width:100%; }
  .admin-course-contents { padding:18px 13px; }
  .admin-course-article-open { gap:10px;padding:18px 5px; }
  .admin-course-play-icon { width:30px;height:30px; }
  .admin-course-article-copy strong { font-size:14px; }
  .admin-course-open-label { display:none; }
  .admin-course-article { gap:10px; }
  .admin-course-article-edit { font-size:12px;padding-right:3px; }
  .admin-contents-pagination { flex-wrap:wrap; }
  .admin-play-heading { padding:22px 18px; }
  .admin-play-heading h1 { font-size:24px; }
  .admin-play-meta { gap:12px;font-size:11px; }
  .admin-play-actions { gap:12px; }
  .admin-adjacent-articles { flex-wrap:wrap; }
  .admin-play-actions .text-link { margin-left:0; }
  .admin-reading { padding:19px 9px; }
  .admin-mode .admin-reading .en { font-size:18px; }
  .admin-mode .admin-reading .sentence { grid-template-columns:22px 1fr;gap:8px;padding-left:8px; }
}

.admin-course-card.is-expanded { border-color:#7d9bf1;box-shadow:0 0 0 2px #4169e810; }
.admin-course-card.is-expanded .admin-course-card-footer>.text-link { color:#4169e8;font-weight:600; }
.course-inline-panel { grid-column:1/-1;min-width:0;scroll-margin-top:24px; }
.inline-course-contents { border-color:#d9e4fc;box-shadow:0 5px 22px #4169e807; }
.inline-course-contents .admin-contents-toolbar { margin-bottom:17px; }
.inline-course-contents .admin-course-hero-actions { flex-direction:row;align-items:center;flex-wrap:wrap; }
.inline-course-contents .admin-course-hero-actions .text-button { font-size:13px;margin-left:5px; }
.inline-course-filters { padding:15px 0;border-top:1px solid #edf1f8;border-bottom:1px solid #edf1f8;margin-bottom:9px; }
.inline-course-filters .admin-contents-filters { width:100%; }
.inline-course-filters .search-control { width:340px;max-width:100%; }
@media(max-width:720px){.inline-course-contents .admin-course-hero-actions { gap:9px; }.inline-course-contents .admin-course-hero-actions .button { padding:9px 12px; }.inline-course-contents .admin-contents-toolbar h2 { font-size:17px; }}
.course-carousel { display:flex;flex-direction:column;gap:24px; }
.course-rail { width:100%;min-width:0; }
.course-carousel .course-manager-heading { align-items:center;margin:0 4px 18px;gap:10px; }
.course-carousel .course-manager-heading h2 { font-size:18px;margin:0 0 5px; }
.course-carousel .course-manager-heading p { font-size:11px;line-height:1.7; }
.course-carousel .course-manager-heading>.button { padding:8px 10px;font-size:12px;min-width:0;gap:4px;white-space:nowrap; }
.course-rail-filters .search-control { width:100%;max-width:none; }
.course-rail-selects { display:flex;gap:8px;margin:9px 0 12px; }
.course-rail-selects select { width:50%;min-width:0;font-size:12px;padding:9px 8px; }
.course-carousel .course-sort-hint { font-size:11px;line-height:1.7;margin:0 4px 10px; }
.course-rail-list { display:flex;gap:14px;min-width:0;overflow-x:auto;overflow-y:hidden;padding:4px 3px 12px;scrollbar-width:thin;scrollbar-color:#d7dfed transparent; }
.course-rail-item { position:relative;display:block;flex:0 0 210px;padding:0;border:1px solid #e3eaf5;border-radius:10px;margin-bottom:0;background:#fff;box-shadow:0 3px 10px #26426a06;transition:background .15s,border-color .15s,box-shadow .15s; }
.course-rail-item:hover { border-color:#b9cced;box-shadow:0 5px 16px #26426a0d; }
.course-rail-item.is-selected { background:#edf3ff;border-color:#8cabf4;box-shadow:0 0 0 2px #4169e815; }
.course-rail-item .course-drag-handle { position:absolute;right:10px;bottom:10px;pointer-events:auto;z-index:1;width:30px;min-width:30px;height:30px;border-radius:7px;background:transparent;color:#7388ab;box-shadow:none;opacity:.5; }
.course-rail-item .course-drag-handle:disabled { opacity:.65; }
.course-rail-link { display:flex;flex-direction:column;gap:0;min-width:0;color:#314361;border-radius:11px;overflow:hidden; }
.course-rail-cover { display:flex;width:100%;height:auto;aspect-ratio:2/1;flex-shrink:0;align-items:center;justify-content:center;border-radius:0;background:linear-gradient(135deg,#e3ecff,#eff3fa);color:#8da5d0;overflow:hidden; }
.course-rail-cover img { display:block;width:100%;height:100%;object-fit:cover; }
.course-rail-copy { display:flex;flex-direction:column;align-items:flex-start;gap:5px;min-width:0;width:100%;padding:12px 13px; }
.course-rail-copy strong { min-height:24px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:15px;line-height:1.6;overflow-wrap:anywhere; }
.course-rail-meta { font-size:11px;color:#7b8ca8;background:#f1f5fb;padding:5px 8px;border-radius:6px;white-space:nowrap;flex-shrink:0; }
.course-rail-item.is-selected .course-rail-meta { color:#4169e8;background:#e0eaff; }
.course-rail-placeholder { display:flex;flex-direction:column;align-items:center;gap:10px; }
.course-rail-placeholder small { font-size:10px;letter-spacing:2px;color:#8da3c6; }
.course-rail-item.is-selected strong { color:#4169e8; }
.course-more-button { display:grid;place-items:center;width:24px;height:32px;padding:0;border:0;border-radius:6px;background:transparent;color:#8a99b0;font-size:24px;line-height:1;cursor:pointer; }
.course-more-button:hover,.course-more-button:focus-visible,.course-more-button[aria-expanded=true] { background:#dfe9ff;color:#4169e8;outline:none; }
.course-rail-item>.course-more-button { position:absolute;top:10px;right:10px;width:30px;height:30px;background:#ffffffed;box-shadow:0 2px 8px #24446d12; }
.course-actions-popover { position:fixed;z-index:1000;margin:0;padding:5px;width:140px;border:1px solid #e0e7f4;border-radius:9px;background:#fff;box-shadow:0 8px 28px #203e7020; }
.course-actions-popover[hidden] { display:none; }
.course-menu-action { display:block;width:100%;text-align:left;border:0;border-radius:5px;padding:10px 12px;background:transparent;color:#415574;font:inherit;font-size:13px;cursor:pointer; }
.course-menu-action:hover,.course-menu-action:focus-visible { background:#edf3ff;color:#4169e8;outline:none; }
.course-rail-pagination { border-top:1px solid #edf1f8;padding:13px 2px 0;margin-top:9px; }
.course-rail-pagination>span { display:block;font-size:11px;margin-bottom:9px; }
.course-rail-pagination>div { display:flex;gap:6px;align-items:center;justify-content:space-between;font-size:11px; }
.course-rail-pagination select { width:81px;padding:7px 3px;font-size:11px; }
.course-rail-pagination .button { padding:7px;font-size:11px; }
.course-detail-pane { min-width:0;width:100%; }
.course-detail-pane .inline-course-contents { box-shadow:none;border-color:#e4eaf4;padding:25px; }
.course-detail-pane .admin-contents-toolbar { flex-wrap:wrap;gap:18px;align-items:flex-start; }
.course-detail-pane .admin-contents-toolbar h2 { font-size:23px; }
.course-pane-description { color:#8a95a8;font-size:13px;line-height:1.8;margin:8px 0; }
.course-detail-pane .admin-contents-toolbar .muted { font-size:12px; }
.course-detail-pane .admin-course-hero-actions { gap:8px; }
.course-detail-pane .admin-course-hero-actions .button { font-size:12px;padding:10px 12px; }
.course-detail-pane .inline-course-filters .search-control { width:auto;flex:1;min-width:0; }
.course-detail-pane .admin-course-article-open { gap:13px;padding:21px 0; }
.course-detail-pane .admin-course-open-label { font-size:12px;white-space:nowrap; }
.course-detail-pane .admin-course-article-copy strong { font-size:16px; }
.course-detail-pane .admin-course-article-list { min-height:170px; }
.course-selection-empty { background:#fff;border:1px solid #e4eaf4;border-radius:12px;min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#8da1c5;padding:30px; }
.course-selection-empty h2 { color:#344560;font-size:20px;margin:22px 0 8px; }
.course-selection-empty p { font-size:14px;color:#8b97ab;line-height:1.8; }
.course-mobile-back { display:none; }
.course-rail-item.drop-before::before,.course-rail-item.drop-after::after { content:'';position:absolute;left:0;right:0;height:3px;background:#4169e8;border-radius:3px;z-index:3; }
.course-rail-item.drop-before::before { top:-4px; }
.course-rail-item.drop-after::after { bottom:-4px; }
.admin-mode .reading-lift-button { color:#4169e8;background:#fff;border-color:#e0e7f4;box-shadow:0 4px 16px #203e7010; }
.admin-mode .reading-lift-button:hover,.admin-mode .reading-lift-button:focus-visible { background:#edf3ff;border-color:#b9cdf9; }
.course-carousel .course-rail-filters { display:flex;align-items:center;gap:12px;margin:0 0 15px;padding:14px;background:#fff;border:1px solid #e4eaf4;border-radius:10px; }
.course-carousel .course-rail-filters .search-control { flex:1;min-width:180px; }
.course-carousel .course-rail-selects { display:flex;gap:10px;margin:0; }
.course-carousel .course-rail-selects select { width:130px;max-width:180px; }
.course-carousel .course-rail-selects select:last-child { width:170px; }
.course-carousel-track { display:grid;grid-template-columns:30px minmax(0,1fr) 30px;gap:8px;align-items:center; }
.course-scroll-arrow { width:30px;height:38px;border:1px solid #e1e8f5;border-radius:20px;background:#fff;color:#5473ae;font-size:28px;line-height:1;padding:0;cursor:pointer; }
.course-scroll-arrow:hover,.course-scroll-arrow:focus-visible { background:#edf3ff;color:#4169e8;outline:none; }
.course-carousel .course-rail-pagination { display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:0;margin-top:4px;padding:0 38px; }
.course-carousel .course-rail-pagination>div { justify-content:flex-start;gap:12px; }
.course-carousel .course-rail-pagination>div:first-child { display:flex;flex-wrap:wrap;gap:10px; }
.course-carousel .course-sort-hint { margin:0;font-size:11px; }
.course-carousel .course-rail-pagination>div:last-child { flex-shrink:0; }
.course-carousel .course-rail-item.drop-before::before,.course-carousel .course-rail-item.drop-after::after { top:0;bottom:0;width:3px;height:auto;right:auto; }
.course-carousel .course-rail-item.drop-before::before { left:-7px; }
.course-carousel .course-rail-item.drop-after::after { left:auto;right:-7px; }
@media(min-width:1500px){.course-carousel .course-rail-item { flex-basis:230px; }}
@media(max-width:900px){
  .course-carousel .course-rail-filters { flex-wrap:wrap; }
  .course-carousel .course-rail-selects { width:100%; }
  .course-carousel .course-rail-selects select,.course-carousel .course-rail-selects select:last-child { width:33.333%;max-width:none;min-width:0; }
  .course-carousel .course-rail-pagination { padding:0;flex-wrap:wrap; }
}
@media(max-width:600px){
  .course-carousel-track { grid-template-columns:22px minmax(0,1fr) 22px;gap:4px; }
  .course-scroll-arrow { width:22px;height:32px;font-size:23px; }
  .course-carousel .course-rail-item { flex-basis:180px; }
  .course-carousel .course-detail-pane .inline-course-contents { padding:20px 14px; }
  .course-carousel .course-rail-copy { padding:10px 11px; }
  .course-carousel .course-rail-placeholder small { font-size:9px; }
}
.course-carousel .course-article-table-head { display:grid;grid-template-columns:26px 32px minmax(0,1fr) 60px 90px 132px;gap:13px;padding:12px 10px;font-size:12px;color:#8493ab;background:#f3f6fc;border-radius:6px;margin-top:15px; }
.course-carousel .admin-course-article { gap:12px; }
.course-carousel .admin-course-article-open { display:grid;grid-template-columns:26px 32px minmax(0,1fr) 60px 90px 80px;gap:13px;padding:15px 10px; }
.course-carousel .admin-course-play-icon { width:32px;height:32px;background:#edf3ff;color:#4169e8; }
.course-carousel .admin-course-article-copy p { margin:3px 0 0; }
.course-carousel .admin-course-article-meta { display:none; }
.course-carousel .admin-course-article-edit { width:40px;flex-shrink:0;padding-right:0;font-size:12px; }
.course-article-table-duration { color:#8a98af;font-size:12px; }
.course-article-table-status { display:flex;flex-direction:column;align-items:flex-start;gap:5px; }
.course-article-table-status small { font-size:10px;color:#98a4ba; }
@media(max-width:800px){
  .course-carousel .course-article-table-head { display:none; }
  .course-carousel .admin-course-article-open { display:flex;gap:10px; }
  .course-carousel .course-article-table-duration,.course-carousel .course-article-table-status,.course-carousel .admin-course-open-label { display:none; }
  .course-carousel .admin-course-article-meta { display:flex;margin-top:7px;gap:8px; }
  .course-carousel .admin-course-article-copy strong { font-size:14px; }
  .course-carousel .admin-article-number { min-width:18px;font-size:10px; }
  .course-carousel .admin-course-play-icon { width:27px;height:27px; }
}
.course-carousel { gap:14px; }
.course-carousel .course-rail-filters { gap:9px;padding:10px 12px;margin-bottom:10px; }
.course-carousel .course-rail-filters .search-control { min-width:130px; }
.course-carousel .course-rail-selects { gap:8px; }
.course-carousel .course-rail-selects select { width:105px;font-size:12px; }
.course-carousel .course-rail-selects select:last-child { width:135px; }
.course-carousel .course-rail-filters>.button { padding:10px 12px;white-space:nowrap;flex-shrink:0; }
.course-toolbar-pages { display:flex;align-items:center;gap:7px;flex-shrink:0; }
.course-toolbar-pages select { width:75px;font-size:11px;padding:9px 5px; }
.course-toolbar-pages .button { width:27px;min-width:27px;padding:6px 0;font-size:20px;line-height:1; }
.course-toolbar-pages>span { font-size:11px;color:#8897af;white-space:nowrap; }
.course-carousel .course-detail-pane .inline-course-contents { padding:16px 20px; }
.course-article-compact-toolbar { display:flex;align-items:center;gap:16px;flex-wrap:wrap; }
.course-article-title { display:flex;align-items:center;gap:10px;min-width:0; }
.course-article-title h2 { margin:0;font-size:20px;line-height:1.5; }
.course-article-title>.muted { font-size:12px;color:#94a1b7;white-space:nowrap; }
.course-article-compact-toolbar .admin-contents-filters { margin-left:auto;gap:9px; }
.course-article-compact-toolbar .admin-contents-filters .search-control { width:220px;min-width:100px; }
.course-article-compact-toolbar .admin-contents-filters select { max-width:120px; }
.course-article-compact-toolbar .admin-course-hero-actions { gap:9px; }
.course-carousel .course-article-table-head { margin-top:13px;padding-top:9px;padding-bottom:9px; }
.course-carousel .admin-course-article-open { padding-top:12px;padding-bottom:12px; }
.course-carousel .admin-contents-pagination { justify-content:flex-end;margin-top:14px; }
@media(max-width:1150px){
  .course-carousel .course-rail-filters { flex-wrap:wrap; }
  .course-carousel .course-rail-filters .search-control { flex-basis:180px; }
  .course-article-compact-toolbar .admin-contents-filters .search-control { width:170px; }
}
@media(max-width:900px){
  .course-carousel .course-rail-selects { width:auto;flex:1; }
  .course-carousel .course-rail-selects select,.course-carousel .course-rail-selects select:last-child { width:33.333%;min-width:0; }
  .course-article-compact-toolbar { gap:12px; }
  .course-article-compact-toolbar .admin-contents-filters { margin-left:0;flex:1; }
  .course-article-compact-toolbar .admin-contents-filters .search-control { width:auto;flex:1; }
}
@media(max-width:600px){
  .course-carousel .course-rail-filters { gap:8px;padding:10px; }
  .course-carousel .course-rail-filters .search-control { flex:1 1 calc(100% - 110px);order:0; }
  .course-carousel .course-rail-filters>.button { order:1;font-size:11px;padding:10px; }
  .course-carousel .course-rail-selects { order:2;flex-basis:100%; }
  .course-toolbar-pages { order:3;margin-left:auto; }
  .course-carousel .course-detail-pane .inline-course-contents { padding:14px 12px; }
  .course-article-title { flex:1; }
  .course-article-title h2 { font-size:18px; }
  .course-article-compact-toolbar .admin-contents-filters { order:3;flex-basis:100%; }
  .course-article-compact-toolbar .admin-course-hero-actions .button { padding:8px;font-size:11px; }
}
.admin-page-header.compact-course-header { margin-bottom:16px; }
.admin-page-header.compact-course-header h1 { margin-bottom:0; }
.course-carousel .course-article-table-head { grid-template-columns:18px 26px 32px minmax(0,1fr) 60px 90px 160px; }
.course-carousel .managed-article { display:grid;grid-template-columns:18px minmax(0,1fr) 160px;gap:13px;padding:0 10px; }
.course-carousel .managed-article .admin-course-article-open { grid-template-columns:26px 32px minmax(0,1fr) 60px 90px;padding:12px 0; }
.article-list-grip { width:18px;min-width:18px; }
.article-list-actions { display:flex;align-items:center;justify-content:flex-end;gap:13px; }
.article-list-actions .text-button,.article-list-actions .text-link { font-size:12px;white-space:nowrap; }
.article-inline-editor { background:#f6f9ff;border:1px solid #dce6fb;border-radius:8px;padding:15px;margin:3px 0 12px; }
.article-metadata-form { display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 150px auto;gap:12px;align-items:end; }
.article-metadata-form .field { margin:0;font-size:12px; }
.article-metadata-actions { display:flex;gap:8px; }
.article-metadata-form>.error { grid-column:1/-1;margin:0; }
.focused-article-editor { max-width:1100px; }
@media(max-width:800px){
  .course-carousel .managed-article { grid-template-columns:16px minmax(0,1fr) 62px;gap:8px;padding:0 4px; }
  .course-carousel .managed-article .admin-course-article-open { display:flex;gap:8px; }
  .course-carousel .managed-article .admin-article-number { display:none; }
  .article-list-actions { flex-direction:column;gap:0; }
  .article-list-actions .text-button,.article-list-actions .text-link { font-size:11px;padding:4px 0; }
  .article-metadata-form { grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
}
@media(max-width:450px){.article-metadata-form { grid-template-columns:1fr; }.article-metadata-actions { justify-content:flex-end; }}
.admin-mode a#player-title:hover,.admin-mode a#player-title:focus-visible { color:#4169e8; }
.admin-mode .player-settings-button { color:#4169e8;border-color:#e3eafa;background:#f6f8ff; }
.admin-mode .playback-settings-dialog { background:#fff;color:#30435f;border-color:#e0e7f4; }
.admin-mode .playback-settings-summary { background:#f3f6ff;color:#8291a9; }
.recycle-row { display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid #edf0f6; }
.recycle-row strong { font-size:15px;overflow-wrap:anywhere; }
.recycle-row p { margin:5px 0; }
.recycle-actions { display:flex;gap:10px;flex-shrink:0; }
.recycle-panel h2 { margin-top:22px; }
.admin-mode .danger-button { color:#bf5860; }
.course-carousel .managed-article { grid-template-columns:18px minmax(0,1fr) 200px; }
.course-carousel .course-article-table-head { grid-template-columns:18px 26px 32px minmax(0,1fr) 60px 90px 200px; }
@media(max-width:800px){.course-carousel .managed-article { grid-template-columns:16px minmax(0,1fr) 62px; }.recycle-row { align-items:flex-start;flex-wrap:wrap; }.recycle-actions { margin-left:auto; }}
.confirmation-dialog { width:460px;max-width:calc(100% - 32px);border:1px solid #e1e7f2;background:#fff;color:#334762;border-radius:12px;padding:26px; }
.confirmation-dialog::backdrop { background:#1c2d4860; }
.confirmation-dialog p { font-size:14px;line-height:1.9;margin:15px 0 22px; }
.confirmation-dialog .recycle-actions { justify-content:flex-end; }
.recycle-filter { display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px; }
.recycle-filter label { display:flex;align-items:center;gap:12px;font-size:13px; }
.recycle-filter select { width:260px;max-width:100%; }
@media(max-width:600px){.recycle-filter { flex-wrap:wrap; }.recycle-filter label { width:100%; }.recycle-filter select { flex:1;min-width:0;width:auto; }}


/* The standalone article editor shares the readable form treatment. */
.admin-mode .focused-article-editor { font-size:15px;padding:28px 30px;border-radius:14px; }
.admin-mode .focused-article-editor .editor-heading h2 { font-size:23px;line-height:1.5; }
.admin-mode .focused-article-editor .editor-heading { margin-bottom:14px; }
.admin-mode .focused-article-editor .editor-tabs { gap:30px;margin-bottom:28px; }
.admin-mode .focused-article-editor .editor-tabs .tab { font-size:15px;padding:14px 0; }
.admin-mode .focused-article-editor .field,
.admin-mode .focused-article-editor .bilingual-editors .field>span { font-size:15px;gap:10px; }
.admin-mode .focused-article-editor .admin-metadata>.field { grid-template-columns:100px minmax(0,1fr);margin:18px 0;gap:18px; }
.admin-mode .focused-article-editor input:not([type=checkbox]):not([type=range]),
.admin-mode .focused-article-editor textarea { font-size:16px;line-height:1.7;border-radius:9px;padding:11px 14px; }
.admin-mode .focused-article-editor .bilingual-editors { gap:24px;margin-top:22px; }
.admin-mode .focused-article-editor .bilingual-editors textarea { font-size:17px;line-height:1.9;min-height:290px;padding:16px;resize:vertical; }
.admin-mode .focused-article-editor .button,
.admin-mode .focused-article-editor .text-button,
.admin-mode .focused-article-editor .title-read,
.admin-mode .focused-article-editor .audio-file-name,
.admin-mode .focused-article-editor .audio-replace { font-size:15px; }
.admin-mode .focused-article-editor .audio-upload-strip { min-height:60px;padding:12px 14px;border-radius:10px;gap:12px; }
.admin-mode .focused-article-editor .audio-file-name { overflow-wrap:anywhere; }
.admin-mode .focused-article-editor .audio-file-duration { font-size:14px; }
.admin-mode .focused-article-editor .pairing-hint,
.admin-mode .focused-article-editor summary { font-size:15px;line-height:1.8;color:var(--muted); }
.admin-mode .focused-article-editor .pair-row { font-size:16px;line-height:1.85; }
.admin-mode .focused-article-editor .pair-row .number { font-size:13px; }
.admin-mode .focused-article-editor .editor-actions { margin-top:28px;padding-top:22px;border-top:1px solid var(--line);gap:14px; }
.admin-mode .focused-article-editor .editor-actions .button { min-height:46px;padding:12px 20px;font-size:15px; }
@media(max-width:720px) {
  .admin-mode .focused-article-editor { padding:22px 18px; }
  .admin-mode .focused-article-editor .admin-metadata>.field { grid-template-columns:1fr;gap:9px; }
  .admin-mode .focused-article-editor .bilingual-editors { grid-template-columns:1fr;gap:20px; }
  .admin-mode .focused-article-editor .bilingual-editors textarea { min-height:230px; }
  .admin-mode .focused-article-editor .audio-upload-strip { flex-wrap:wrap; }
  .admin-mode .focused-article-editor .audio-file-name { flex:1 1 55%;min-width:0; }
  .admin-mode .focused-article-editor .editor-tabs { gap:22px; }
}

/* Keep sorting in the card footer, away from cover art and course titles. */
.course-rail-item .course-rail-meta { max-width:calc(100% - 36px);overflow:hidden;text-overflow:ellipsis; }
.course-rail-item:hover .course-drag-handle:not(:disabled),
.course-rail-item:focus-within .course-drag-handle:not(:disabled) { opacity:1; }
.course-rail-item .course-drag-handle:focus-visible { outline:2px solid var(--green);outline-offset:2px; }
@media(hover:none) { .course-rail-item .course-drag-handle:not(:disabled) { opacity:1; } }

.recycle-panel .recycle-section-divider { border:0;border-top:2px solid #c4d0e3;margin:32px 0 26px; }
[data-theme=dark] .recycle-panel .recycle-section-divider { border-color:#526480; }

.pronunciation-dialog { width:min(700px,calc(100vw - 32px));max-height:85vh;max-height:85dvh;overflow:auto;padding:28px;border:1px solid var(--line);border-radius:16px;background:var(--white);color:var(--ink);box-shadow:0 20px 80px #10203c30; }
.pronunciation-dialog::backdrop { background:#10203c66; }
.pronunciation-dialog h2 { font-size:23px; }
.pronunciation-dialog h3 { font-size:17px;margin:24px 0 12px; }
.pronunciation-dialog p { font-size:14px; }
.pronunciation-dialog .field { font-size:15px; }
.pronunciation-dialog .field small { font-size:13px; }
.admin-mode .pronunciation-dialog input:not([type=range]):not([type=checkbox]) { font-size:16px;padding:11px 13px; }
.pronunciation-row { border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0; }
.pronunciation-word { display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap; }
.pronunciation-word .muted { font-size:13px; }
.pronunciation-actions { display:flex;justify-content:flex-end;gap:12px;margin-top:24px; }
.admin-mode .pronunciation-actions .button { font-size:15px;min-height:44px; }

/* Every bilingual pair shares one row boundary and one scrolling surface. */
.paired-editor { margin-top:24px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--white); }
.paired-toolbar { display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line); }
.paired-status { color:var(--muted);font-size:14px; }
.paired-toolbar .error { color:#b34c45; }
.paired-viewport { overflow:auto;max-height:560px;max-height:min(60vh,620px);overscroll-behavior:contain;scrollbar-gutter:stable;overflow-anchor:none; }
.paired-header,.paired-edit-row { display:grid;grid-template-columns:38px minmax(0,1fr) minmax(0,1fr);min-width:580px; }
.paired-header { position:sticky;top:0;z-index:2;background:var(--paper);border-bottom:1px solid var(--line);font-size:15px;font-weight:600; }
.paired-header>span { padding:13px 14px; }
.paired-header>span:first-child { padding:13px 0;text-align:center;color:var(--muted);font-size:13px; }
.paired-edit-row { border-bottom:1px solid var(--line); }
.paired-edit-row:last-child { border-bottom:0; }
.paired-edit-row:focus-within { background:#f4f7ff;box-shadow:inset 3px 0 #6488eb; }
.paired-number { font-size:12px;color:var(--muted);text-align:center;padding-top:18px;user-select:none;border-right:1px solid var(--line);font-variant-numeric:tabular-nums; }
.admin-mode .focused-article-editor .paired-editor textarea.paired-line { display:block;width:100%;min-width:0;min-height:58px;resize:none;overflow:hidden;border:0;border-radius:0;background:transparent;color:var(--ink);padding:13px 14px;font-size:17px;line-height:1.9;box-shadow:none;outline:none;box-sizing:border-box;margin:0; }
.admin-mode .focused-article-editor .paired-editor textarea.paired-line:last-child { border-left:1px solid var(--line); }
.admin-mode .focused-article-editor .paired-editor textarea.paired-line:focus { background:transparent;box-shadow:none; }
.paired-bulk-dialog { width:min(1100px,calc(100vw - 32px));max-height:85vh;overflow:auto;border:1px solid var(--line);border-radius:14px;padding:26px;background:var(--white);color:var(--ink); }
.paired-bulk-dialog::backdrop { background:#10203c66; }
.paired-bulk-columns { display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px; }
.admin-mode .paired-bulk-dialog textarea { width:100%;min-height:280px;resize:vertical;font-size:16px;line-height:1.9;padding:14px; }
.paired-bulk-dialog .field { font-size:15px; }
.paired-bulk-actions { display:flex;justify-content:flex-end;gap:12px;margin-top:20px; }
.paired-bulk-actions .button { font-size:15px; }
[data-theme=dark] .paired-edit-row:focus-within { background:#1b2a42;box-shadow:inset 3px 0 #8caaff; }
@media(max-width:720px){.paired-toolbar { padding:10px;flex-wrap:wrap; }.paired-bulk-columns { grid-template-columns:1fr; }.paired-bulk-dialog { padding:20px; }}

.admin-mode .alignment-error { padding:18px 20px;border:1px solid #f0d0ca;font-size:14px;line-height:1.85; }
.alignment-error>strong { display:block;font-size:16px; }
.alignment-error-tools { display:flex;gap:10px;flex-wrap:wrap;margin:12px 0; }
.admin-mode .alignment-error-tools .button { font-size:14px; }
.alignment-error-details { font-size:15px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto;padding-right:8px; }
[data-theme=dark] .alignment-error { color:#f4c0bb;border-color:#70434b; }

/* Expanded course contents: larger editorial typography and roomier rows. */
.course-carousel .course-detail-pane .inline-course-contents { padding:26px 28px;border-radius:16px;box-shadow:0 5px 22px #243b6406; }
.course-carousel .course-article-compact-toolbar { gap:20px;padding-bottom:20px; }
.course-carousel .course-article-title { gap:12px; }
.course-carousel .course-article-title h2 { font-size:26px;line-height:1.45;font-weight:700;letter-spacing:.3px; }
.course-carousel .course-article-title>.muted { font-size:13px;color:var(--muted);background:var(--paper);padding:5px 10px;border-radius:20px; }
.course-carousel .course-article-compact-toolbar .admin-course-hero-actions .button { font-size:14px;min-height:42px;padding:11px 16px; }
.course-carousel .course-article-compact-toolbar .admin-course-hero-actions .text-button { font-size:14px; }
.course-carousel .course-article-table-head { grid-template-columns:20px 34px 38px minmax(0,1fr) 70px 96px 208px;gap:14px;padding:13px 12px;margin-top:0;border-radius:10px;font-size:13px;font-weight:500; }
.course-carousel .managed-article { grid-template-columns:20px minmax(0,1fr) 208px;gap:14px;padding:0 12px;border-bottom:1px solid var(--line);border-radius:10px;transition:background-color .15s; }
.course-carousel .managed-article:last-child { border-bottom-color:transparent; }
.course-carousel .managed-article .admin-course-article-open { display:grid;grid-template-columns:34px 38px minmax(0,1fr) 70px 96px;gap:14px;padding:22px 0;min-height:94px; }
.course-carousel .managed-article .admin-course-article-copy strong { font-size:19px;line-height:1.6;font-weight:650;letter-spacing:.15px;overflow-wrap:anywhere; }
.course-carousel .managed-article .admin-course-article-copy p { font-size:15px;line-height:1.75;margin:5px 0 0;color:var(--muted); }
.course-carousel .managed-article .admin-article-number { display:grid;place-items:center;width:34px;min-width:34px;height:34px;border-radius:9px;background:var(--paper);font-size:14px;font-weight:600;color:var(--muted); }
.course-carousel .managed-article .admin-course-play-icon { width:38px;height:38px;border-radius:12px; }
.course-carousel .managed-article .course-article-table-duration { font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted); }
.course-carousel .managed-article .badge { font-size:12px;padding:5px 9px;border-radius:6px; }
.course-carousel .managed-article .course-article-table-status small { font-size:12px; }
.course-carousel .article-list-actions { gap:14px; }
.course-carousel .article-list-actions .text-button,.course-carousel .article-list-actions .text-link { font-size:14px;line-height:1.6;padding:9px 0; }
.course-carousel .managed-article:hover,.course-carousel .managed-article:focus-within { background:#f5f8ff; }
.course-carousel .admin-contents-pagination { padding-top:18px; }
.course-carousel .admin-contents-pagination>div { font-size:14px;gap:16px; }
.course-carousel .admin-contents-pagination .button { font-size:14px;min-height:40px; }
[data-theme=dark] .course-carousel .managed-article:hover,[data-theme=dark] .course-carousel .managed-article:focus-within { background:#202e44; }
@media(max-width:1150px) and (min-width:801px){
  .course-carousel .course-article-table-head { grid-template-columns:18px 28px 32px minmax(0,1fr) 54px 72px 176px;gap:10px; }
  .course-carousel .managed-article { grid-template-columns:18px minmax(0,1fr) 176px;gap:10px; }
  .course-carousel .managed-article .admin-course-article-open { grid-template-columns:28px 32px minmax(0,1fr) 54px 72px;gap:10px; }
  .course-carousel .managed-article .admin-article-number { width:28px;min-width:28px; }
  .course-carousel .managed-article .admin-course-play-icon { width:32px;height:32px; }
  .course-carousel .article-list-actions { gap:9px; }
  .course-carousel .article-list-actions .text-button,.course-carousel .article-list-actions .text-link { font-size:13px; }
}
@media(max-width:800px){
  .course-carousel .course-detail-pane .inline-course-contents { padding:20px 16px; }
  .course-carousel .course-article-title h2 { font-size:23px; }
  .course-carousel .managed-article { grid-template-columns:16px minmax(0,1fr) 72px;gap:10px;padding:0 4px; }
  .course-carousel .managed-article .admin-course-article-open { display:flex;gap:12px;padding:19px 0; }
  .course-carousel .managed-article .admin-article-number { display:none; }
  .course-carousel .managed-article .admin-course-article-copy strong { font-size:18px; }
  .course-carousel .managed-article .admin-course-article-copy p { font-size:14px; }
  .course-carousel .managed-article .admin-course-article-meta { font-size:12px; }
  .course-carousel .article-list-actions { gap:2px; }
  .course-carousel .article-list-actions .text-button,.course-carousel .article-list-actions .text-link { font-size:13px;padding:6px 0; }
}
@media(max-width:480px){
  .course-carousel .managed-article .admin-course-play-icon { display:none; }
  .course-carousel .course-article-compact-toolbar { gap:14px; }
}
@media(prefers-reduced-motion:reduce){.course-carousel .managed-article { transition:none; }}

/* Article drop targets were missing the insertion marker used by other lists. */
.managed-article { position:relative; }
.managed-article.dragging { opacity:.4; }
.managed-article.drop-before::before,.managed-article.drop-after::before { content:'';position:absolute;left:0;right:0;height:4px;background:var(--green);border-radius:4px;box-shadow:0 0 0 2px var(--white),0 2px 8px #4169e835;z-index:5;pointer-events:none; }
.managed-article.drop-before::before { top:-2px; }
.managed-article.drop-after::before { bottom:-2px; }
.managed-article.drop-before::after,.managed-article.drop-after::after { content:'';position:absolute;left:-3px;width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid var(--white);z-index:6;pointer-events:none; }
.managed-article.drop-before::after { top:-5px; }
.managed-article.drop-after::after { bottom:-5px; }
.article-sort-ghost { white-space:pre-line;font-size:14px;line-height:1.75;max-width:360px;overflow-wrap:anywhere; }

/* Course navigation and sentence results share one consistent favorites page. */
.favorites-workspace { display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start; }
.favorite-course-sidebar { position:sticky;top:20px;padding:18px 12px;background:var(--white);border:1px solid var(--line);border-radius:14px;min-width:0; }
.favorite-course-heading { padding:3px 12px 16px; }
.favorite-course-heading h2 { margin:0;font-size:18px; }
.favorite-course-nav { display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 190px);overflow:auto; }
.favorite-course-button { display:flex;align-items:center;gap:11px;width:100%;padding:14px 12px;background:transparent;border:1px solid transparent;border-radius:10px;color:var(--ink);font:inherit;text-align:left;cursor:pointer; }
.favorite-course-button>.ui-icon { flex-shrink:0;color:var(--muted); }
.favorite-course-name { flex:1;min-width:0;font-size:15px;line-height:1.6;overflow-wrap:anywhere; }
.favorite-course-count { flex-shrink:0;min-width:25px;padding:3px 7px;border-radius:7px;background:var(--paper);color:var(--muted);font-size:12px;text-align:center;font-variant-numeric:tabular-nums; }
.favorite-course-button:hover { background:var(--paper); }
.favorite-course-button.selected { background:#edf3ff;border-color:#d6e3ff;color:#4169e8;font-weight:600; }
.favorite-course-button.selected>.ui-icon { color:inherit; }
.favorite-course-button.selected .favorite-course-count { color:#4169e8;background:#dfe9ff; }
.favorite-course-button:focus-visible { outline:2px solid var(--green);outline-offset:-2px; }
.favorite-sentence-panel { min-width:0; }
.favorite-list-heading { display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0 12px; }
.favorite-list-heading h2 { font-size:24px;line-height:1.45;margin:0 0 6px;overflow-wrap:anywhere; }
.favorite-list-heading .muted { font-size:14px; }
.favorite-list-heading>.button { flex-shrink:0;min-height:42px;font-size:14px; }
.favorite-queue-note { font-size:13px;line-height:1.8;margin:0 0 18px; }
.favorite-sentence-list .favorite-card { margin:0 0 16px;border-radius:14px;padding:24px; }
.favorite-sentence-list .favorite-card .en { font-size:21px;line-height:1.8;overflow-wrap:anywhere; }
.favorite-sentence-list .favorite-card .zh { font-size:15px;line-height:1.9;overflow-wrap:anywhere; }
.favorite-sentence-list .favorite-card .source { font-size:13px; }
.favorite-sentence-list .favorite-card .toolbar { gap:18px; }
.favorite-sentence-list .favorite-card :is(.button,.text-button,.text-link) { font-size:14px; }
[data-theme=dark] .favorite-course-button.selected { background:#263b60;border-color:#4b6caa;color:#bdd1ff; }
[data-theme=dark] .favorite-course-button.selected .favorite-course-count { background:#304771;color:#bdd1ff; }
@media(max-width:1050px){.favorites-workspace { grid-template-columns:210px minmax(0,1fr);gap:18px; }}
@media(max-width:720px){
 .favorites-workspace { grid-template-columns:minmax(0,1fr);gap:20px; }
 .favorite-course-sidebar { position:static;padding:14px 12px; }
 .favorite-course-heading { padding:0 5px 12px; }
 .favorite-course-nav { flex-direction:row;max-height:none;overflow-x:auto;padding-bottom:4px; }
 .favorite-course-button { width:auto;max-width:240px;flex-shrink:0;padding:10px 12px; }
 .favorite-course-name { white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
 .favorite-list-heading h2 { font-size:22px; }
 .favorite-sentence-list .favorite-card { padding:20px 16px; }
 .favorite-sentence-list .favorite-card .en { font-size:19px; }
}

.recycle-workspace .recycle-panel { min-width:0;margin:0;padding:24px 28px;border-radius:14px; }
.recycle-list-heading { border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:14px; }
.recycle-panel .recycle-list-heading h2 { margin:0 0 8px;font-size:24px;line-height:1.45;overflow-wrap:anywhere; }
.recycle-list-heading .muted { font-size:14px; }
.recycle-list-note { font-size:13px;line-height:1.85;margin:0 0 20px; }
.recycle-course-note { display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px; }
.recycle-workspace .recycle-row { padding:22px 0; }
.recycle-workspace .recycle-row>div:first-child { min-width:0; }
.recycle-workspace .recycle-row strong { font-size:18px;line-height:1.6; }
.recycle-workspace .recycle-row p { font-size:14px;line-height:1.8; }
.recycle-workspace .recycle-row small { font-size:13px;line-height:1.8; }
.recycle-workspace .recycle-actions .button { font-size:14px;min-height:42px; }
@media(max-width:720px){
 .recycle-workspace .recycle-panel { padding:20px 16px; }
 .recycle-panel .recycle-list-heading h2 { font-size:22px; }
 .recycle-workspace .recycle-row { gap:14px;padding:20px 0; }
 .recycle-course-note { display:none; }
}

.favorite-queue-link { width:100%;border:0;background:transparent;text-align:left;font:inherit;color:inherit;cursor:pointer; }
.favorite-queue-link strong { display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden; }
.favorite-reading .sentence { padding-right:18px;grid-template-columns:28px minmax(0,1fr); }
.favorite-reading-item { margin-bottom:20px; }
.favorite-reading-source { display:flex;align-items:center;justify-content:space-between;gap:12px;margin:8px 18px 2px;font-size:12px;color:var(--muted);line-height:1.7; }
.favorite-reading-source>span { min-width:0;overflow-wrap:anywhere; }
.favorite-reading-source .text-link { flex-shrink:0;font-size:13px; }
.favorite-playback-progress { font-size:14px;color:var(--muted); }
@media(max-width:720px){.favorite-reading-source { margin-left:8px;margin-right:8px; }.favorite-reading .sentence { grid-template-columns:22px minmax(0,1fr);padding-right:8px; }}

.favorite-button { display:grid;place-items:center; }
.favorite-button .ui-icon { fill:none; }
.favorite-button.saved .ui-icon { fill:#ffff00;stroke:#b39b00; }

.favorite-button:disabled { opacity:1;cursor:progress; }