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.2s;display:grid;position:relative}.dropzone:hover,.dropzone.is-dragging{border-color:var(--gold);background:var(--gold-soft)}.dropzone input{opacity:0;cursor:pointer;position:absolute;inset:0}.dropzone strong{color:var(--navy)}.import-summary{flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;display:flex}.import-summary .muted{overflow-wrap:anywhere;margin-right:auto}.pill-ok{color:var(--ok);background:#e7f3ec}.pill-error{color:var(--danger);background:#fbeceb}.import-note{color:var(--ink-2);align-items:flex-start;gap:8px;font-size:13.5px;display:flex}.import-note svg{color:var(--gold);flex-shrink:0;margin-top:2px}.import-table{border:1px solid var(--line);border-radius:var(--radius-sm);max-height:46vh;overflow:auto}.import-table .table th{background:var(--bg);z-index:1;position:sticky;top:0}.import-table .table td{white-space:normal;padding:8px 12px}.import-table .tag{margin-left:6px}.import-table tr.is-skipped td{color:var(--ink-3)}.spinner-sm{border-width:2px;flex-shrink:0;width:14px;height:14px;margin-top:2px}.import-title{min-width:180px}.import-thumb{aspect-ratio:4/3;object-fit:cover;border-radius:4px;width:64px}.status{white-space:nowrap;align-items:center;gap:4px;font-size:13px;display:inline-flex}.status-ok{color:var(--ok)}.status-error{color:var(--danger);white-space:normal}.import-result{text-align:center;justify-items:center;gap:12px;display:grid}.import-result h3{font-family:var(--serif);font-size:26px;font-weight:600}.import-result .form-actions{justify-self:stretch;margin-top:8px}.import-failures{text-align:left;border-radius:var(--radius-sm);color:var(--danger);background:#fbeceb;justify-self:stretch;gap:4px;max-height:30vh;margin:0;padding:12px 16px 12px 32px;font-size:13.5px;display:grid;overflow:auto}.overlay{z-index:100;-webkit-backdrop-filter:blur(6px);background:#16181d6b;justify-content:center;align-items:flex-start;padding:clamp(12px,4vh,48px) 16px;animation:.2s fade;display:flex;position:fixed;inset:0;overflow-y:auto}@keyframes fade{0%{opacity:0}}.dialog{background:var(--bg);width:100%;box-shadow:var(--shadow-lg);animation:rise .28s var(--ease);border-radius:20px;margin:auto 0;position:relative}@keyframes rise{0%{opacity:0;transform:translateY(14px)scale(.985)}}.dialog-sm{max-width:460px}.dialog-md{max-width:580px}.dialog-lg{max-width:1100px;overflow:hidden}.dialog-form{padding:32px}.dialog-close{z-index:2;width:38px;height:38px;color:var(--ink);box-shadow:var(--shadow-sm);background:#ffffffeb;border:0;border-radius:50%;place-items:center;transition:background .2s;display:grid;position:absolute;top:14px;right:14px}.dialog-close:hover{background:var(--bg-sunk)}.lesson-dialog .dialog-close{color:#fff;background:#1014208c}.lesson-dialog .dialog-close:hover{background:#101420cc}.player{aspect-ratio:16/9;background:#0d0f14;position:relative}.player iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.player-loading{place-items:center;display:grid}.player-status{text-align:center;color:#fffc;place-content:center;justify-items:center;gap:16px;padding:24px;font-size:14.5px;display:grid;position:absolute;inset:0}.player-status .spinner{border-color:#fff #ffffff26 #ffffff26}.player-status a{color:var(--gold-light);text-underline-offset:3px;font-weight:600;text-decoration:underline}.player-loading .spinner{border-color:#fff #ffffff26 #ffffff26}.lesson-body{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;padding:32px clamp(20px,3vw,40px) 40px;display:grid}.lesson-title{font-family:var(--serif);margin:6px 0;font-size:clamp(30px,3.4vw,42px);font-weight:600;line-height:1.08}.lesson-date{color:var(--ink-3);font-size:13px}.lesson-actions{align-items:center;gap:16px;margin:20px 0 22px;display:flex}.lesson-stat{color:var(--ink-3);align-items:center;gap:6px;font-size:14px;display:inline-flex}.lesson-desc{color:var(--ink-2);white-space:pre-line;font-size:15.5px;line-height:1.7}.btn-like{border:1px solid var(--line-strong);background:var(--bg);border-radius:999px;align-items:center;gap:8px;height:42px;padding:0 8px 0 16px;font-weight:500;transition:all .2s;display:inline-flex}.btn-like .count{background:var(--bg-soft);border-radius:999px;place-items:center;min-width:28px;height:28px;padding:0 8px;font-size:13px;display:grid}.btn-like:hover{border-color:var(--like);color:var(--like)}.btn-like.is-liked{color:var(--like);background:#fbeceb;border-color:#0000}.btn-like.is-liked .count{background:#ffffffbf}.btn-like.is-liked svg{animation:beat .4s var(--ease)}@keyframes beat{40%{transform:scale(1.3)}}.text-like{color:var(--like)}.comments{border-left:1px solid var(--line);padding-left:32px}.comments-title{font-family:var(--serif);align-items:center;gap:8px;margin-bottom:18px;font-size:24px;font-weight:600;display:flex}.comments-title span{font-family:var(--sans);color:var(--ink-3);font-size:13px;font-weight:500}.comment-form{gap:12px;margin-bottom:24px;display:flex}.comment-input{flex:1;gap:10px;display:grid}.comment-input textarea{resize:none;border:1px solid var(--line-strong);border-radius:var(--radius-sm);outline:none;width:100%;padding:9px 12px;font-size:14.5px;transition:border-color .2s,box-shadow .2s}.comment-form-actions{justify-content:flex-end;gap:8px;display:flex}.comment-list{gap:20px;max-height:520px;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.comment{gap:12px;display:flex}.comment-content{flex:1;min-width:0}.comment-head{flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;display:flex}.comment-head .muted{font-size:12.5px}.comment-head .icon-btn{opacity:0;width:28px;height:28px;margin-left:auto;transition:opacity .2s}.comment:hover .icon-btn,.comment-head .icon-btn:focus-visible{opacity:1}.comment p{color:var(--ink-2);white-space:pre-wrap;overflow-wrap:anywhere;margin-top:3px;font-size:14.5px}.page{padding-block:40px 64px}.narrow{max-width:680px}.page .panel{margin-top:20px}.panel{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.panel-title{font-family:var(--serif);margin-bottom:14px;font-size:23px;font-weight:600}.profile{align-items:center;gap:18px;display:flex}.profile strong{font-size:17px}.profile .tag{margin-top:6px}.admin{grid-template-columns:220px minmax(0,1fr);gap:40px;padding-block:36px 64px;display:grid}.admin-nav{align-self:start;gap:2px;display:grid;position:sticky;top:96px}.admin-nav .eyebrow{margin:0 12px 12px}.admin-nav a{border-radius:var(--radius-sm);color:var(--ink-2);align-items:center;gap:10px;padding:10px 12px;font-weight:500;transition:background 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.input{width:240px}.stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;display:grid}.stat{border-radius:var(--radius);background:var(--bg-soft);gap:2px;padding:20px;display:grid}.stat-value{font-family:var(--serif);font-size:40px;font-weight:600;line-height:1}.stat-label{color:var(--ink-3);font-size:13px}.admin-columns{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;display:grid}.list{margin:0;padding:0;list-style:none;display:grid}.list-item{border-radius:var(--radius-sm);align-items:center;gap:14px;margin-inline:-8px;padding:10px 8px;transition:background .2s;display:flex}.list-item:hover{background:var(--bg-soft)}.list-text{flex:1;min-width:0;display:grid}.list-text strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.list-text .muted{font-size:13px}.thumb-sm{aspect-ratio:16/9;object-fit:cover;border-radius:6px;flex-shrink:0;width:72px}.activity li{border-bottom:1px solid 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.thumb{aspect-ratio:16/9;object-fit:cover;border-radius:8px;width:120px}.table-main{gap:2px;min-width:0;display:grid}.table-title{flex-wrap:wrap;align-items:center;gap:8px;font-size:15.5px;font-weight:600;display:flex}a.table-title:hover{color:var(--navy-2);text-underline-offset:3px;text-decoration:underline}.table-stats{color:var(--ink-2);gap:16px;font-size:13.5px;display:flex}.table-stats span{white-space:nowrap;align-items:center;gap:5px;display:inline-flex}.table-actions{align-items:center;gap:4px;display:flex}.back-link{color:var(--ink-3);align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.back-link:hover{color:var(--ink)}.lesson-summary{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:28px;display:grid}.lesson-summary img{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);width:100%}.lesson-summary .section-title{margin:4px 0 14px;font-size:30px}.lesson-summary .btn{margin-top:16px}.summary-stats{color:var(--ink-2);flex-wrap:wrap;gap:8px 22px;font-size:14px;display:flex}.summary-stats strong{color:var(--ink);font-size:16px}.progress{background:var(--bg-sunk);border-radius:99px;height:8px;margin-top:16px;position:relative}.progress>div{background:linear-gradient(90deg, var(--gold), #c4a46c);border-radius:99px;height:100%}.progress span{color:var(--ink-3);padding-top:14px;font-size:13px;display:block}.progress+.btn{margin-top:44px}.table-wrap{margin-inline:-24px;padding-inline:24px;overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:14px}.table th{text-align:left;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--line);white-space:nowrap;padding:10px 12px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap;padding:12px}.table tr:last-child td{border-bottom:0}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{background:var(--bg-soft);color:var(--ink-2);border-radius:999px;padding:6px 12px;font-size:13.5px}.video-preview img{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);width:100%;max-width:280px;box-shadow:var(--shadow-sm)}@media (width<=960px){.hero{grid-template-columns:1fr}.hero-media{order:-1}.hero-greet{margin-bottom:10px}.lesson-body{grid-template-columns:1fr;gap:32px}.comments{border-left:0;border-top:1px solid var(--line);padding-top:28px;padding-left:0}.admin{grid-template-columns:1fr;gap:20px;padding-top:20px}.admin-nav{margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);scrollbar-width:none;gap:6px;display:flex;position:static;overflow-x:auto}.admin-nav::-webkit-scrollbar{display:none}.admin-nav .eyebrow{display:none}.admin-nav a{white-space:nowrap}.table-row{grid-template-columns:auto minmax(0,1fr) auto}.table-stats{grid-area:2/2/auto/-1}.lesson-summary{grid-template-columns:1fr}}@media (width<=760px){.header-inner{gap:12px;height:64px}.nav{display:none}.only-mobile{display:flex!important}.logo-name{font-size:18px}.logo svg{width:32px;height:32px}.search{justify-content:center;width:40px;padding:0}.search:focus-within{left:var(--gutter);right:var(--gutter);z-index:2;width:auto;padding:0 14px;position:absolute}.search input{opacity:0;width:1px;position:absolute}.search:focus-within input{opacity:1;width:auto;position:static}.login{grid-template-columns:1fr}.login-art{min-height:280px;padding:52px 40px 44px}.login-art:after{border-radius:16px;inset:14px}.login-art-inner{gap:20px}.login-form-wrap{padding-block:40px 56px}.row-title{font-size:24px}.row-arrows{display:none}.row-track{--card-w:72vw;gap:14px}.dialog-form{padding:32px var(--gutter) calc(28px + env(safe-area-inset-bottom))}.lesson-body{padding:28px var(--gutter) 48px;gap:28px}.announcement-full{padding:28px var(--gutter) 40px}.lesson-dialog{padding-top:56px}.lesson-dialog .dialog-close{background:var(--bg-soft);color:var(--ink);top:9px;right:12px}.notice{gap:12px;padding:18px 20px}.row-head{margin-bottom:14px}.hero{gap:24px}.overlay{padding:0}.dialog{border-radius:0;min-height:100%}.dialog-sm,.dialog-md{border-radius:20px 20px 0 0;min-height:auto;margin-top:auto}.table-row{grid-template-columns:minmax(0,1fr) auto;gap:12px}.table-row .thumb,.table-row>.avatar{display:none}.table-stats{flex-wrap:wrap;grid-column:1/-1}.table-actions{grid-area:1/2}.table-actions a.btn,.user-row .switch-label,.import-table th:nth-child(2),.import-table td:nth-child(2){display:none}.notice{grid-template-columns:auto 1fr;padding-right:20px;display:grid}.notice .btn{grid-column:2;justify-self:start}.notice-close{display:none}.announcement-track{--card-w:80vw}.admin-head-actions .input:not(.select){flex-basis:100%}.user-row .table-actions{grid-area:3/1/auto/-1;justify-content:flex-end}.admin-head-actions,.admin-head-actions .input{width:100%}.admin-head-actions .input{flex:1}.panel{padding:18px}.table-wrap{margin-inline:-18px;padding-inline:18px}}