:root{--ink:#2d2d2f;--muted:#6f6f75;--yellow:#ffe400;--yellow-soft:#fff5bf;--green:#20bd66;--line:#d9d9d9;--bg:#f3f3f3;--blue:#1765d8;--radius:12px}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:14px/1.55 Arial,Helvetica,sans-serif;background:#fff}a{color:inherit;text-decoration:none}a:hover{color:#111}button,input,select,textarea{font:inherit}button,.button{border:1px solid var(--line);background:#fff;border-radius:7px;min-height:40px;padding:9px 17px;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;text-align:center}button:disabled{opacity:.48;cursor:not-allowed}button:hover:not(:disabled),.button:hover{filter:brightness(.98)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #7fafff;outline-offset:2px}button.yellow,.button.yellow{background:var(--yellow);border-color:var(--yellow);color:#161616}button.green,.button.green{background:var(--green);border-color:var(--green);color:white}.quiet{background:#eef3fb;border-color:#dce6f7;color:#155cc6}.danger{background:#d72f39;color:white;border-color:#d72f39}.text-danger{color:#c22232}.text-button{min-height:30px;padding:4px 8px;border:0;background:transparent}.brand{font-size:29px;font-weight:800;display:flex;align-items:center;gap:9px;letter-spacing:-1px;white-space:nowrap}.brand-mark{color:#b49c00;background:var(--yellow);font-size:28px;line-height:34px;width:30px;text-align:center}.admin-shell{background:var(--bg)}.admin-sidebar{position:fixed;top:0;left:0;bottom:0;width:205px;background:#fff;border-right:1px solid var(--line);padding:24px 12px;z-index:10}.admin-sidebar .brand{padding:0 10px 24px}.admin-sidebar nav{display:grid;gap:5px}.admin-sidebar nav a{padding:11px 14px;border-radius:6px}.admin-sidebar nav a.sub{padding-left:32px}.admin-sidebar .active{background:var(--yellow-soft)}.sidebar-foot{position:absolute;bottom:24px;left:25px;color:var(--muted);font-size:12px}.topbar{height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 30px;border-bottom:1px solid #e6e6e6;background:#fff}.admin-shell .topbar{margin-left:205px;background:#fafafa}.topbar nav{display:flex;align-items:center;gap:25px}.user-menu{display:flex;align-items:center;gap:18px;font-size:12px}.user-menu form{margin:0}.main{max-width:1340px;margin:0 auto;padding:24px 28px 64px}.admin-shell .main{max-width:1600px;margin-left:205px;padding:24px 24px 60px}.dev-banner{border-left:3px solid #d1b000;background:#fffbee;padding:8px 12px;color:#766721;font-size:12px;margin-bottom:23px}.breadcrumbs{font-size:12px;color:#93939a;margin:6px 0 18px}h1{font-size:29px;line-height:1.22;letter-spacing:-.65px;margin:0 0 12px;font-weight:750}h2{font-size:18px;line-height:1.35;margin:0 0 20px}h3{margin:0 0 14px;font-size:16px}p{margin:0 0 16px}.muted,small{color:var(--muted)}small{font-size:12px}td small{display:block;margin-top:4px}strong,.strong{font-weight:700}.link{text-decoration:underline;text-decoration-color:#e1ce26;text-underline-offset:5px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:24px 0}.toolbar.sticky{position:sticky;top:0;z-index:8;padding:10px 0;background:var(--bg)}.save-state{margin-left:auto;font-size:12px;color:#35955d}.panel{background:#fff;border:1px solid #dfdfe1;border-radius:var(--radius);padding:23px;margin-bottom:18px}.tabs{display:flex;gap:25px;border-bottom:1px solid #ddd;margin:25px 0 18px;overflow-x:auto}.tabs>a,.tabs>button{padding:12px 0;border:0;border-bottom:3px solid transparent;border-radius:0;white-space:nowrap;background:transparent;color:#89898c}.tabs .active{border-color:var(--yellow);color:var(--ink);font-weight:700}.filterbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:15px}.filterbar input{flex:1;min-width:160px}.filterbar select{max-width:225px;width:auto}.filterbar button{flex-shrink:0}input:not([type=checkbox]):not([type=hidden]),select,textarea{width:100%;min-height:40px;border:1px solid #dadade;border-radius:6px;padding:9px 11px;background:white;color:var(--ink)}input[readonly]{background:#f8f8f8;color:#8b8b90}input[type=checkbox]{accent-color:#caba00;width:17px;height:17px;vertical-align:middle}select[multiple]{height:100px}textarea{resize:vertical}label.field,.stack>label{display:flex;flex-direction:column;gap:6px}label.field{margin-bottom:16px}label.field>small{font-size:11px}.fields{display:grid;gap:6px 20px}.fields.two{grid-template-columns:repeat(2,minmax(0,1fr))}.fields.three{grid-template-columns:repeat(3,minmax(0,1fr))}.span-two{grid-column:span 2}.editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:20px}.editor-grid>aside .panel h2{font-size:16px}.toggle-label{display:grid;gap:10px;margin:6px 0 20px}.toggle-line{display:flex;gap:8px;align-items:center;font-size:12px}.switch{appearance:none!important;width:44px!important;height:26px!important;background:#eee;border:0;border-radius:20px;position:relative;cursor:pointer;margin:0}.switch:before{content:'';position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .14s}.switch:checked{background:var(--yellow)}.switch:checked:before{transform:translateX(18px)}.badge{display:inline-flex;border-radius:7px;padding:5px 8px;font-size:11px;line-height:1.2;white-space:nowrap}.green-badge{color:#17985a;background:#e0f2e7}.orange-badge{color:#ca5b25;background:#fff1e8}.yellow-badge{background:#fff178;color:#262210}.blue-badge{background:#ecf2ff;color:#1e5fca}.red-badge{background:#ffe5e5;color:#d62638}.category-label{background:var(--category-color,#e4fff0);color:#226349}.table-wrap{padding:0;overflow-x:auto;min-height:250px}.table-wrap table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}.table-wrap th{background:#fff5bd;padding:14px 12px;font-weight:600}.table-wrap td{padding:17px 12px;border-top:1px solid #e7e7e7;vertical-align:middle}.table-wrap th:first-child,.table-wrap td:first-child{width:34px}.course-row{display:flex;gap:10px;min-width:200px;max-width:340px}.course-row img{width:55px;height:55px;object-fit:cover;border-radius:7px}.course-row a{line-height:1.3;display:block}.empty{text-align:center;padding:70px 20px!important;color:var(--muted)}.menu{position:relative}.menu summary{cursor:pointer;list-style:none;font-size:23px;border:1px solid #ddd;border-radius:5px;text-align:center;width:30px}.dropdown{position:absolute;right:0;top:28px;width:215px;padding:7px;background:white;border:1px solid #ddd;box-shadow:0 9px 25px #0002;border-radius:8px;z-index:20}.dropdown a,.dropdown button{display:block;padding:8px;border:0;text-align:left;font-size:12px;width:100%;min-height:32px}.dropdown a:hover,.dropdown button:hover{background:var(--yellow-soft)}.list-footer{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.pager{display:flex;gap:12px;align-items:center;justify-content:flex-end;margin:16px 0}.bulkbar{padding:10px 15px;margin:0 0 15px}.upload{display:flex;align-items:center;gap:18px;margin:10px 0 15px}.upload img{width:150px;height:90px;object-fit:cover;border-radius:8px}.upload label{flex:1;border:1px dashed #ccc;padding:15px}.upload input{border:0!important}.upload small{display:block}.notice{padding:14px 16px;border-radius:8px;background:#fff7d5;margin:16px 0;line-height:1.6}.success{background:#e6f6ec;color:#156d37}.error{background:#fff0f1;color:#a9202d}.error div{margin-top:4px}.stack{display:grid;gap:14px}.stack h2{margin:0}.dictionary-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}details>summary{cursor:pointer}details[open]>summary{margin-bottom:18px}dl{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:12px}dd{text-align:right;margin:0}dialog{border:1px solid #ddd;border-radius:16px;padding:28px;max-width:540px;width:calc(100% - 32px);color:var(--ink)}dialog::backdrop{background:#0007}dialog h2{font-size:21px}.sortable{list-style:none;padding:10px 18px}.sortable li{display:flex;align-items:center;gap:14px;padding:12px;border-bottom:1px solid #eee;background:white}.sortable .toolbar{margin:0 0 0 auto}.sortable .dragging{opacity:.4}.drag-handle{font-size:23px;cursor:grab}.sortable [data-position]{font-size:12px;color:#777}.catalog-layout{display:grid;grid-template-columns:175px minmax(0,1fr);gap:30px}.catalog-filters{display:flex;flex-direction:column;gap:20px;align-self:start;padding:20px 0;position:sticky;top:10px}.catalog-filters label{display:grid;gap:8px;font-weight:600}.catalog-filters select{font-weight:400}.catalog-section{margin:18px 0 45px}.catalog-section>h2{font-size:28px;letter-spacing:-.5px}.paid-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.course-card{border-radius:24px;overflow:hidden;border:7px solid var(--category-color,#e4fff0);display:flex;flex-direction:column;background:white}.card-cover{position:relative}.paid-card .card-cover{height:166px}.card-cover img{width:100%;height:100%;object-fit:cover;display:block}.card-labels{position:absolute;left:9px;top:9px;display:flex;gap:5px}.card-labels .badge{border-radius:20px;padding:6px 9px}.sale-mark{position:absolute;right:9px;top:9px;background:#ff3942;color:white;border-radius:20px;font-size:12px;padding:5px 11px}.card-content{padding:20px;display:flex;flex-direction:column;flex:1}.card-content h3{font-size:22px;letter-spacing:-.4px;line-height:1.25;min-height:82px;margin:0 0 15px}.card-meta{font-size:12px;color:var(--muted);margin-bottom:20px}.card-price{margin-top:auto;padding-top:8px}.card-price>strong{font-size:25px;letter-spacing:-.5px;display:block;margin-bottom:4px}.card-price>strong small{font-size:16px;color:var(--ink)}.card-price b{color:var(--ink)}.card-price .muted{font-size:13px}.card-price s{font-size:12px;color:#85858b}.card-content>.button,.card-content>button{margin-top:20px;justify-content:space-between}.free-heading{margin:26px 0 12px;color:#697181;font-weight:500}.free-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.free-card{border:1px solid #dfe7ed;border-radius:14px;background:#f8fafc;flex-direction:row}.free-card .card-cover{width:90px;min-width:90px;height:104px;align-self:center;margin:14px 0 14px 14px;border-radius:9px;overflow:hidden}.free-card .card-labels{position:static}.free-card .card-labels .badge{display:none}.free-card .card-content{padding:14px;min-width:0}.free-card .card-content h3{font-size:16px;min-height:0;margin-bottom:7px;letter-spacing:0}.free-card .card-meta{font-size:11px;margin:0}.free-card .card-content>.button{font-size:12px;min-height:34px;margin-top:12px;padding:7px 9px}.auth-hero{padding:60px;background:linear-gradient(135deg,#fffde7,#fff5a6);display:grid;grid-template-columns:1fr 1fr;gap:70px;border-radius:22px}.auth-hero h1{font-size:37px;line-height:1.2;margin:22px 0}.eyebrow{font-size:11px;letter-spacing:1.5px;font-weight:bold;color:#79724d}.auth-benefits{background:white;border-radius:20px;padding:38px;align-self:center}.auth-benefits h2{margin-bottom:7px;margin-top:20px}.auth-benefits p{color:var(--muted)}.auth-box{max-width:500px;margin:50px auto}.cabinet-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.cabinet-card img{width:100%;height:140px;object-fit:cover;border-radius:9px;margin-bottom:15px}.cabinet-card h2{margin:15px 0}.cabinet-card small{display:block;margin-top:17px}.section-list{max-width:960px}.lesson-links{display:grid}.lesson-links>a,.lesson-links>span{padding:14px 0;border-top:1px solid #eee}.lesson-links>a>span:last-child{float:right}.lesson-page{max-width:980px;margin:auto}.lesson-page h1{font-size:27px}.video-frame,.video-empty{width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#222}.video-empty{display:grid;place-content:center;text-align:center;color:white;font-size:20px}.video-empty small{color:#bbb}.lesson-text{margin:36px 0;max-width:900px}.preserve-lines{white-space:pre-wrap;overflow-wrap:anywhere}.lesson-text h2{font-size:20px}table small{overflow-wrap:anywhere}[hidden]{display:none!important}@media(max-width:1200px){.editor-grid{grid-template-columns:minmax(0,1fr) 230px}.fields.three{grid-template-columns:1fr 1fr}.span-two{grid-column:span 1}.filterbar select{max-width:170px}.paid-card .card-content h3{font-size:20px}.free-grid{grid-template-columns:1fr}.cabinet-grid{grid-template-columns:1fr 1fr}}@media(max-width:850px){.admin-sidebar{position:static;width:100%;height:auto;border-right:0;padding:13px}.admin-sidebar .brand{padding:0 0 10px}.admin-sidebar nav{display:flex;gap:5px;overflow-x:auto}.admin-sidebar nav a,.admin-sidebar nav a.sub{padding:8px 12px;white-space:nowrap}.sidebar-foot{display:none}.admin-shell .topbar,.admin-shell .main{margin-left:0}.topbar{height:auto;min-height:64px;padding:12px 18px;flex-wrap:wrap}.topbar nav{gap:15px}.editor-grid{grid-template-columns:1fr}.editor-grid>aside{display:grid;grid-template-columns:1fr 1fr;gap:15px}.catalog-layout{grid-template-columns:1fr}.catalog-filters{position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px}.catalog-filters h3{grid-column:1/-1}.auth-hero{padding:32px;gap:30px}.auth-hero h1{font-size:30px}.card-content h3{font-size:20px}}@media(max-width:560px){body{font-size:14px}.main,.admin-shell .main{padding:16px 16px 40px}.brand{font-size:25px}.topbar nav{font-size:12px}.topbar .user-menu{width:100%;justify-content:space-between}.fields.two,.fields.three,.dictionary-grid{grid-template-columns:1fr}.editor-grid>aside{display:block}.toolbar.sticky{position:static}.save-state{width:100%;margin:3px 0}.panel{padding:18px}.table-wrap{padding:0}.filterbar>*{width:100%!important;max-width:none!important}.filterbar{padding:15px}.paid-grid,.cabinet-grid{grid-template-columns:1fr}.paid-card{border-width:5px;border-radius:21px}.paid-card .card-cover{height:148px}.card-content{padding:18px}.card-content h3{min-height:0;margin-bottom:15px}.card-price{margin-top:0}.card-price>strong{font-size:25px}.card-labels .badge{font-size:10px;padding:5px 7px}.card-meta{font-size:11px}.sale-mark{font-size:11px;padding:5px 8px}.free-card{flex-direction:row;min-height:137px}.free-card .card-cover{width:72px;min-width:72px;height:72px;margin-left:12px}.free-card .card-content{padding:12px}.free-card .card-content h3{font-size:16px}.free-card .card-content>.button{background:transparent;border:0;padding:4px 0;min-height:32px;justify-content:flex-start;margin-top:4px}.auth-hero{display:block;padding:24px}.auth-benefits{display:none}.auth-hero h1{font-size:32px}.catalog-section>h2{font-size:26px}.upload{align-items:flex-start;flex-direction:column}.upload label{width:100%}.sortable{padding:10px}.sortable li{gap:8px;padding:10px 0}.sortable strong{font-size:12px}.sortable button{padding:7px;min-width:34px}.lesson-page h1{font-size:23px}h1{font-size:26px}.tabs{gap:20px}.list-footer{display:block}.auth-box{margin:20px auto}}
/* Course editor: selections and image removal follow the supplied admin layout. */
.chip-picker{min-width:0;margin-bottom:16px}.chip-picker>.field{margin-bottom:8px}.chip-picker>small{display:block;font-size:11px;line-height:1.5;color:var(--muted)}
.selected-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.selected-chips:empty{display:none}
.selection-chip{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:3px 4px 3px 10px;background:#f3f3f5;border:1px solid var(--line);border-radius:6px;font-size:12px}.selection-chip>span{overflow-wrap:anywhere}
.selection-chip button{flex-shrink:0;min-height:28px;width:28px;padding:0;border:0;background:transparent;font-size:20px;color:#606069}
.cover-thumbnail{position:relative;flex-shrink:0}.cover-thumbnail img{display:block}.cover-remove{position:absolute;top:5px;right:5px;min-height:26px;width:26px;padding:0;border:0;border-radius:50%;background:var(--yellow);color:#222;font-size:20px;line-height:1}
.field-error{color:#a9202d;font-size:12px;line-height:1.5}input[aria-invalid=true]{border-color:#a9202d}
.landing-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.landing-input{position:relative}.landing-input input{padding-right:46px!important}.landing-open{position:absolute;right:5px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:32px;height:32px;border-radius:4px;color:#6f6f75;cursor:pointer}.landing-open:hover{background:#f3f3f3}.landing-open[aria-disabled=true]{color:#b4b4ba;cursor:help}.landing-field>.field-error{font-size:11px}
.content-system-info{display:flex;flex-wrap:wrap;gap:24px 48px;margin:0}.content-system-info dt{color:#74747b;font-size:12px;margin-bottom:6px}.content-system-info dd{margin:0}
.access-table td{vertical-align:top}.access-table th:nth-child(2){width:28%}.access-table th:nth-child(4){width:55%}.access-item{padding:0 0 12px;overflow-wrap:anywhere}.access-item+.access-item{border-top:1px solid #ececef;padding-top:12px}.access-item-heading{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.access-item form{margin-top:4px}.access-more>summary{cursor:pointer;color:#626269;text-decoration:underline;padding:4px 0 12px;list-style:none}.access-more-open{display:none}.access-more[open]>summary .access-more-closed{display:none}.access-more[open]>summary .access-more-open{display:inline}.access-more .access-list{border-top:1px solid #ececef;padding-top:12px}
.section-menu .dropdown{position:fixed;max-height:calc(100vh - 16px);overflow-y:auto}.section-menu summary:focus-visible{outline:2px solid #555;outline-offset:3px}
.access-item{position:relative;padding-right:40px}.access-item .access-revoke-form{position:absolute;right:0;top:0;margin:0}.access-item+.access-item .access-revoke-form{top:12px}.access-revoke{width:32px;height:32px;min-height:32px;padding:0;background:transparent;border:0;font-size:24px;line-height:1}.access-revoke:hover{background:#fff1ee}.access-revoke:focus-visible{outline:2px solid #a33422;outline-offset:2px}@media(hover:hover) and (pointer:fine){.access-revoke{opacity:0}.access-item:hover .access-revoke,.access-item:focus-within .access-revoke{opacity:1}}
.video-frame{min-height:200px}