/* V2.1.1 — neutral surfaces; course artwork and semantic accents retain their colors. */
html[data-theme="dark"] {
 --page:#111213;--paper:#1c1e20;--surface:#1c1e20;--surface-soft:#26282b;
 --mist:#111213;--sky:#26282b;--line:#3b3e42;--ink:#f3f2ee;--muted:#b9babd;
 --il-soft:#292c2f;--il-forest:#202225;
 --v2753-surface:#1c1e20;--v2753-surface-soft:#26282b;--v2753-border:#3b3e42;
 --v2753-text:#f3f2ee;--v2753-muted:#b9babd;
}
html[data-theme="dark"] body,
html[data-theme="dark"] :is(.admin-main,.lesson-main,.focus-shell,.quiz-shell){background:#111213!important;color:var(--ink)}
html[data-theme="dark"] :is(.topbar,.player-top,.focus-top,.admin-side){background:#17191b!important;border-color:var(--line)!important}
html[data-theme="dark"] :is(.card,.il-course-card,.il-progress-panel,.il-library-empty,.lesson-sidebar,.focus-card,.login-form-wrap,.course-editor,.quiz-question,.quiz-review-card,.quiz-review-item,.quiz-result-card,.quiz-recap-summary,.quiz-recap-item){background:#1c1e20!important;border-color:var(--line)!important;color:var(--ink)}
html[data-theme="dark"] :is(.il-resume,.course-hero,.login-story){background:#202225!important;color:var(--ink)}
html[data-theme="dark"] :is(.il-resume p,.login-story p){color:#d0d0d1}
html[data-theme="dark"] :is(.btn-secondary,.btn-focus,.theme-toggle,.publish-toggle,.invitation-explainer,.sidebar-module,.il-upcoming,.il-level,.tag,.status,.module-index){background:#292c2f!important;border-color:var(--line)!important;color:var(--ink)!important}
html[data-theme="dark"] :is(input,textarea,select),
html[data-theme="dark"] :is(.admin-form,.login-form,.course-editor,.sidebar-search) :is(input,textarea,select){background:#151719!important;border-color:#41454a!important;color:var(--ink)!important;caret-color:var(--ink)}
html[data-theme="dark"] :is(input,textarea)::placeholder{color:#a8aaad!important}
html[data-theme="dark"] :is(.side-lesson,.quiz-option,.quiz-recap-choice):not(.is-correct):not(.is-expected):not(.is-incorrect){background:#242629!important;border-color:var(--line);color:var(--ink)}
html[data-theme="dark"] .side-lesson.active{background:#2d3033!important;border-left-color:var(--blue)!important}
html[data-theme="dark"] .quiz-option:has(input:checked){border-color:var(--blue)!important;box-shadow:inset 0 0 0 1px var(--blue)!important}
html[data-theme="dark"] .progress{background:#3b3e42!important}
html[data-theme="dark"] .progress>span{background:var(--blue)!important}
html[data-theme="dark"] .il-filters button[aria-pressed="true"]{background:#292c2f;border-color:var(--blue);color:var(--blue)}
html[data-theme="dark"] :is(.muted,.il-state,.il-card-description,.il-card-meta,.il-program-link,.lesson-group-count,.side-lesson .unit-meta){color:var(--muted)!important}
html[data-theme="dark"] .admin-side .admin-menu a.active{background:#2d3033;color:var(--blue)}