:root{--admin-bg:#f3f5f8;--admin-ink:#141820;--admin-muted:#69717e;--admin-line:#dfe3e9;--admin-blue:#0a3f91}.admin-shell{min-width:1440px;min-height:100vh;color:var(--admin-ink);background:var(--admin-bg)}.admin-sidebar{z-index:20;color:#fff;background:#111722;flex-direction:column;width:268px;padding:32px 22px 22px;display:flex;position:fixed;inset:0 auto 0 0}.admin-brand{letter-spacing:-.05em;font-size:21px;font-weight:850}.admin-brand span{color:#81aef0;letter-spacing:0;margin-left:5px;font-size:12px}.admin-sidebar>div>p{color:#8993a2;margin:8px 0 34px;font-size:12px}.admin-sidebar nav{gap:6px;display:grid}.admin-sidebar nav button{color:#aeb6c2;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;height:48px;padding:0 16px;font-size:14px;font-weight:650}.admin-sidebar nav button:hover,.admin-sidebar nav button.active{color:#fff;background:#202b3c}.view-site{color:#b9c4d2;border-top:1px solid #2b3442;margin-top:auto;padding:20px 12px 4px;font-size:13px}.admin-main{min-height:100vh;margin-left:268px}.admin-topbar{z-index:15;border-bottom:1px solid var(--admin-line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;justify-content:space-between;align-items:center;min-height:78px;padding:0 44px;display:flex;position:sticky;top:0}.admin-topbar>div:first-child{align-items:center;gap:14px;display:flex}.admin-topbar b{font-size:16px}.admin-topbar span{color:var(--admin-muted);font-size:12px}.admin-actions{gap:9px;display:flex}.admin-button{cursor:pointer;border:1px solid #0000;border-radius:10px;min-height:42px;padding:0 17px;font-weight:750;transition:transform .18s,background .18s}.admin-button:active{transform:scale(.98)}.admin-button.primary{color:#fff;background:var(--admin-blue)}.admin-button.secondary{border-color:var(--admin-line);color:#303744;background:#fff}.admin-content{width:calc(100% - 72px);max-width:1480px;margin:0 auto;padding:38px 0 90px}.admin-section-title{margin-bottom:30px}.admin-section-title h1{letter-spacing:-.045em;margin:0 0 9px;font-size:34px}.admin-section-title p{color:var(--admin-muted);margin:0;line-height:1.6}.title-with-action{justify-content:space-between;align-items:start;gap:24px;display:flex}.admin-panel{border:1px solid var(--admin-line);background:#fff;border-radius:16px;margin-bottom:20px;padding:30px}.admin-story-list{border-top:1px solid var(--admin-line);margin-top:28px;padding-top:24px}.admin-story-list h3{margin:0 0 16px;font-size:15px}.admin-panel h2{margin:0 0 21px;font-size:17px}.section-order-panel{padding:0;overflow:hidden}.section-order-heading{border-bottom:1px solid var(--admin-line);background:#f8fafc;justify-content:space-between;align-items:center;gap:20px;padding:22px 24px;display:flex}.section-order-heading h2{margin:0 0 5px}.section-order-heading p{color:var(--admin-muted);margin:0;font-size:12px}.section-order-heading>span{color:var(--admin-blue);font-size:11px;font-weight:800}.section-order-list{gap:9px;padding:16px;display:grid}.section-order-item{border:1px solid var(--admin-line);cursor:grab;background:#fff;border-radius:11px;grid-template-columns:28px 38px 1fr 24px;align-items:center;gap:12px;min-height:70px;padding:10px 16px 10px 10px;transition:border-color .18s,box-shadow .18s,opacity .18s,transform .18s;display:grid;box-shadow:0 3px 12px #14233709}.section-order-item:hover{border-color:#91acd0;transform:translateY(-1px);box-shadow:0 8px 24px #14366014}.section-order-item.is-dragging{border-color:var(--admin-blue);opacity:.45;cursor:grabbing}.section-drag-handle{color:#8e99a8;letter-spacing:-5px;font-size:20px;font-weight:900}.section-order-item>b{width:34px;height:34px;color:var(--admin-blue);background:#edf3fb;border-radius:9px;place-items:center;font-size:11px;display:grid}.section-order-item>div{gap:4px;display:grid}.section-order-item strong{font-size:14px}.section-order-item small{color:var(--admin-muted);font-size:11px}.section-order-arrow{color:#a1a9b4;font-size:17px}.why-admin-title{margin-bottom:24px}.why-admin-title .admin-section-title{margin-bottom:0}.why-admin-guide{color:#415064;background:#edf4fc;border:1px solid #cddbec;border-radius:12px;align-items:center;gap:16px;margin-bottom:18px;padding:16px 18px;font-size:12px;line-height:1.55;display:flex}.why-admin-guide b{color:var(--admin-blue);flex:none;font-size:13px}.why-placement-guide span{align-items:center;gap:7px;display:inline-flex}.why-placement-guide i{border-radius:50%;width:9px;height:9px}.why-placement-guide .main-dot{background:#0a3f91}.why-placement-guide .overview-dot{background:#42a5d8}.why-slide-list{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:18px;display:grid}.why-slide-editor{border:1px solid var(--admin-line);background:#fff;border-radius:16px;overflow:hidden}.why-slide-editor.is-wide{grid-column:1/-1}.why-slide-editor-head{border-bottom:1px solid var(--admin-line);background:#f8fafc;grid-template-columns:68px 1fr;gap:16px;padding:20px 22px;display:grid}.why-slide-editor-head>span{color:var(--admin-blue);letter-spacing:.06em;align-self:start;font-size:11px;font-weight:850}.why-slide-editor-head>span em{color:#fff;background:var(--admin-blue);letter-spacing:-.02em;border-radius:6px;width:max-content;margin-top:8px;padding:5px 7px;font-size:10px;font-style:normal;display:block}.why-slide-editor.is-overview-placement{border-color:#9ed0e8}.why-slide-editor.is-overview-placement .why-slide-editor-head{background:#f0f9fd}.why-slide-editor.is-overview-placement .why-slide-editor-head>span{color:#1877a7}.why-slide-editor.is-overview-placement .why-slide-editor-head>span em{background:#2995c9}.why-slide-editor.is-extra-placement{opacity:.72;border-style:dashed}.why-slide-editor.is-extra-placement .why-slide-editor-head>span em{background:#7d8794}.overview-edit-note{color:#276783;background:#f0f9fd;border:1px solid #b9dced;border-radius:10px;margin:0;padding:15px 17px;font-size:12px;line-height:1.6}.why-slide-editor-head h2{letter-spacing:-.02em;margin:0 0 5px;font-size:16px}.why-slide-editor-head p{color:var(--admin-muted);margin:0;font-size:11px;line-height:1.5}.why-slide-editor-fields{gap:19px;padding:26px;display:grid}.why-slide-image{aspect-ratio:16/8}.why-slide-list-single{grid-template-columns:1fr}.why-admin-guide .admin-button{flex:none;margin-left:auto}.why-slide-list-single .why-slide-editor-head{grid-template-columns:68px 1fr auto}.slide-order-actions{align-items:flex-start;gap:6px;display:flex}.slide-order-actions button{border:1px solid var(--admin-line);color:#465063;cursor:pointer;background:#fff;border-radius:8px;min-height:32px;padding:0 10px;font-size:11px;font-weight:700}.slide-order-actions button:disabled{cursor:default;opacity:.35}.slide-order-actions .danger-link{color:#b43434;border-color:#efd0d0}.slide-design-settings{border-top:1px solid var(--admin-line);grid-template-columns:1.1fr 1.35fr 1.35fr .65fr .8fr;gap:16px;padding-top:22px;display:grid}.card-scale-field{border-top:1px solid var(--admin-line);padding-top:20px}.desktop-preview-block{gap:12px;display:grid}.desktop-preview-heading{justify-content:space-between;align-items:end;gap:18px;display:flex}.desktop-preview-heading>div{gap:4px;display:grid}.desktop-preview-heading b{font-size:13px}.desktop-preview-heading span{color:var(--admin-muted);font-size:11px}.desktop-preview-heading strong{color:var(--admin-blue);white-space:nowrap;font-size:12px}.desktop-preview-shell{aspect-ratio:16/9;background:#f3f7fc;border:1px solid #cfd7e2;border-radius:12px;width:100%;position:relative;overflow:hidden}.desktop-preview-canvas{transform-origin:0 0;color:#111722;background:linear-gradient(145deg,#fff 48%,#f3f7fc);width:1920px;height:1080px;position:absolute;top:0;left:0}.desktop-preview-header{letter-spacing:-.05em;background:#fffffff0;border-bottom:1px solid #e2e7ee;align-items:center;height:76px;padding:0 84px;font-size:21px;font-weight:850;display:flex}.desktop-preview-stage{place-items:center;height:1004px;display:grid}.desktop-preview-grid{transform-origin:50%;grid-template-columns:1fr 1fr;gap:24px;display:grid}.desktop-preview-grid.single{grid-template-columns:1fr}.desktop-preview-card{background:#fffffff0;border:1px solid #e0e4e9;border-radius:18px;padding:32px 38px;box-shadow:0 24px 60px #18273f14}.desktop-preview-card.featured{border-color:#0a3f91;box-shadow:0 28px 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var(--admin-line);grid-column:1/-1;gap:17px;margin-top:26px;padding-top:28px;display:grid}.lesson-admin-heading{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.lesson-admin-heading>div{gap:5px;display:grid}.lesson-admin-heading strong{font-size:15px}.lesson-admin-heading span{color:var(--admin-muted);font-size:11px;line-height:1.5}.lesson-admin-heading>a{color:var(--admin-blue);flex:none;font-size:12px;font-weight:750}.lesson-image-admin{aspect-ratio:16/5;background:#e9edf3;border-radius:11px;position:relative;overflow:hidden}.lesson-image-admin img{object-fit:cover;width:100%;height:100%}.lesson-image-upload{color:#fff;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);cursor:pointer;background:#0c1b30d6;border:1px solid #fff6;border-radius:9px;place-items:center;min-height:38px;padding:0 14px;font-size:12px;font-weight:750;display:grid;position:absolute;bottom:14px;right:14px}.lesson-image-upload.loading{cursor:wait;opacity:.8}.lesson-image-upload 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