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20px))}.app-root.route-lesson{height:var(--app-viewport-height)!important;min-height:var(--app-viewport-height)!important;overflow:hidden;background:#f6f6f8!important}.app-root.route-lesson [data-node-id=My6U3]{display:flex!important;flex-direction:column!important;width:100%!important;height:var(--app-viewport-height)!important;min-height:var(--app-viewport-height)!important;overflow-y:auto!important;-webkit-overflow-scrolling:touch;background:#f6f6f8!important}.app-root.route-lesson [data-node-id=MqRHc]{display:none!important}.app-root.route-lesson [data-node-id=DjSaC]{width:100%!important;height:auto!important;min-height:0!important;background:#f6f6f8!important;padding:calc(20px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))!important;gap:18px!important}.app-root.route-lesson [data-node-id=vO9fM]{flex-wrap:wrap!important;row-gap:6px!important;padding-left:calc(56px + env(safe-area-inset-left,0px))!important;min-height:44px!important}.app-root.route-lesson [data-node-id=jRGIE]{display:none!important}.app-root.route-lesson [data-node-id=mEOHt]:before{content:attr(data-mobile-lesson-title);display:block;margin:0 0 12px;color:#111827;font-size:28px;line-height:1.15;font-weight:700}.app-root.route-lesson [data-node-id=SA0c6]{flex-direction:column!important;gap:18px!important}.app-root.route-lesson [data-node-id="5TXf7"],.app-root.route-lesson [data-node-id=YuMWy]{width:100%!important}.app-root.route-lesson [data-node-id=YuMWy]{gap:18px!important}.app-root.route-lesson [data-node-id="6PpVO"]{height:auto!important}.app-root.route-lesson [data-node-id=oanc5]{flex-wrap:wrap!important;gap:12px!important;align-items:stretch!important}.app-root.route-lesson [data-node-id=oanc5]>*{flex:1 1 180px}.app-root.route-lesson [data-node-id=t9sk9],.app-root.route-lesson [data-node-id=js0o4]{padding:16px!important}}@media(max-width:640px){.app-root.route-lesson 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[data-node-id="6PpVO"]>div:first-child{width:100%!important;margin:0!important;border-radius:10px!important}.app-root.route-lesson [data-node-id="6PpVO"]>div:first-child>div:first-child{aspect-ratio:16 / 9!important}.app-root.route-lesson [data-node-id="6PpVO"]>div:first-child>div:nth-child(2){padding:4px 8px!important;gap:4px!important}.app-root.route-lesson [data-node-id="6PpVO"]>div:first-child>div:nth-child(2)>div:first-child{display:none!important}.app-root.route-lesson [data-node-id="6PpVO"]>div:nth-child(2){display:none!important}.app-root.route-lesson [data-node-id="0gDW7"],.app-root.route-lesson [data-node-id=js0o4]{padding:10px!important}.app-root.route-lesson [data-node-id=t9sk9]{display:none!important}.app-root.route-lesson [data-node-id=mEOHt]:before{margin-top:2px}}@media(min-width:641px)and (max-width:1180px)and (min-height:640px){.app-root.route-lesson [data-node-id=SA0c6]{display:grid!important;grid-template-columns:minmax(0,1fr) 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[data-node-id=js0o4]{display:flex!important}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182752;display:flex;align-items:center;justify-content:center;z-index:9999}.modal-surface{position:relative;max-width:min(92vw,980px);max-height:92vh;overflow:auto}.ask-jason-blocked-modal{width:min(520px,calc(100vw - 32px));max-width:calc(100vw - 32px);padding:28px 22px;display:flex;flex-direction:column;gap:14px;border:1px solid #e5e7eb;border-radius:16px;background:#fff;box-shadow:0 8px 24px #0000001f}.ask-jason-blocked-modal h2{margin:0;color:#2a2933;font-size:22px;font-weight:700;line-height:1.25}.ask-jason-blocked-modal p{margin:0;color:#5f6470;font-size:14px;line-height:1.55}.app-mobile-menu-toggle{position:fixed;top:16px;left:16px;width:44px;height:44px;border:none;border-radius:12px;background:#fff;color:#111827;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:250;box-shadow:0 10px 24px #0f172a14}.app-mobile-menu-toggle:hover{background:#f9fafb}.app-sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a52;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility 0s linear .18s;z-index:210;display:none}.app-sidebar-backdrop.is-open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .18s ease}.app-sidebar-shell{position:fixed;inset:0 auto auto 0;width:280px;height:100vh;height:var(--app-viewport-height);min-height:100vh;min-height:var(--app-viewport-height);max-height:100vh;max-height:var(--app-viewport-height);background:#fff;border-right:1px solid #d7d8de;display:flex;flex-direction:column;overflow:hidden;z-index:300}.app-sidebar-shell-placeholder{pointer-events:none}.app-sidebar-logo-wrap{padding:24px 20px 18px}.app-sidebar-logo-btn{display:block;border:0;background:transparent;padding:0;cursor:pointer}.app-sidebar-logo{display:block;width:170px;max-width:100%;height:auto}.app-sidebar-divider{height:1px;background:#d7d8de;flex-shrink:0}.app-sidebar-scroll{flex:1;min-height:0;overflow-y:auto;padding:16px 12px 12px;display:flex;flex-direction:column;gap:16px}.app-sidebar-nav{display:flex;flex-direction:column;gap:8px}.app-sidebar-upgrade-btn{width:100%;min-height:44px;border:none;border-radius:14px;background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;font:inherit;font-size:14px;font-weight:700;cursor:pointer;text-align:center;margin-bottom:2px}.app-sidebar-upgrade-btn:hover{filter:brightness(1.05)}.app-sidebar-nav-item{width:100%;min-height:48px;border:none;border-radius:14px;background:transparent;color:#2f2f39;display:flex;align-items:center;gap:12px;padding:0 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10px;cursor:pointer;text-align:left}.app-sidebar-avatar{width:56px;height:56px;border-radius:999px;background:#e5e7eb;color:#2f2f39;display:grid;place-items:center;font-size:18px;font-weight:700;flex-shrink:0}.app-sidebar-profile-text{min-width:0;flex:1}.app-sidebar-profile-name{font-size:16px;font-weight:700;color:#2f2f39;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-sidebar-profile-email{font-size:14px;color:#8b8d98;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-sidebar-settings-icon{color:#8b8d98;flex-shrink:0}.admin-dashboard-shell{width:100%;height:var(--app-viewport-height);min-height:var(--app-viewport-height);position:relative;background:#f6f6f8}.admin-main-overlay{position:absolute;top:0;right:0;left:280px;bottom:0;max-width:100vw;background:#f6f6f8;color:#2a2a34;padding:24px 26px;overflow-y:auto;overflow-x:hidden;font-family:inherit;display:flex;flex-direction:column}.admin-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.admin-header h1{margin:0 0 4px;font-size:40px;line-height:1.1;font-weight:700}.admin-header p{margin:0;font-size:16px;color:#6e707c;line-height:1.4}.admin-add-course-btn{border:0;background:#3f63e7;color:#fff;border-radius:14px;padding:8px 14px;font-size:14px;font-weight:500;line-height:1.2;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.admin-course-list{display:flex;flex-direction:column;gap:14px;padding-bottom:24px}.admin-course-list.is-empty,.admin-course-list.is-loading{flex:1;min-height:0}.admin-empty-state{margin:0;min-height:0;height:100%;flex:1;border:1px dashed #cfd2dc;border-radius:14px;background:#f9fafc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#666a78;text-align:center}.admin-empty-state h3{margin:0;color:#2f3240;font-size:22px;line-height:1.2}.admin-empty-state p{margin:0;font-size:14px}.admin-empty-state.loading{border-style:solid}.send-email-screen{align-items:center;padding-right:306px}.send-email-screen .admin-header{width:min(100%,960px)}.send-email-save-row{width:min(100%,680px);margin:-2px auto 10px;display:flex;align-items:center;justify-content:space-between;gap:10px}.send-email-subject-input{flex:1;min-width:0;height:36px;border:1px solid #d5d9e2;border-radius:999px;background:#fff;color:#0f172a;padding:0 14px;font:inherit;font-size:13px;outline:none}.send-email-from-dropdown{position:relative;width:260px;flex:0 0 260px;z-index:20;--send-email-dropdown-bg: #ffffff;--send-email-dropdown-bg-soft: #f8fafc;--send-email-dropdown-hover: #eff6ff;--send-email-dropdown-border: #d5d9e2;--send-email-dropdown-text: #0f172a;--send-email-dropdown-muted: #475569;--send-email-dropdown-accent: #1d4ed8;--send-email-dropdown-shadow: 0 16px 40px rgba(15, 23, 42, .18)}.send-email-from-trigger{width:100%;height:36px;border:1px solid var(--send-email-dropdown-border);border-radius:999px;background:var(--send-email-dropdown-bg);color:var(--send-email-dropdown-text);padding:0 12px 0 14px;font:inherit;font-size:13px;outline:none;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer}.send-email-from-trigger span{min-width:0;color:var(--send-email-dropdown-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.send-email-from-trigger svg{flex:0 0 auto;color:var(--send-email-dropdown-text);transition:transform .18s ease}.send-email-from-dropdown.is-open .send-email-from-trigger svg{transform:rotate(180deg)}.send-email-from-menu{position:absolute;left:0;right:0;top:calc(100% + 7px);max-height:0;overflow:hidden;border:1px solid transparent;border-radius:16px;background:var(--send-email-dropdown-bg);color:var(--send-email-dropdown-text);box-shadow:var(--send-email-dropdown-shadow);opacity:0;transform-origin:top;pointer-events:none;transition:max-height .22s ease,opacity .17s ease,border-color .17s ease}.send-email-from-dropdown.is-open .send-email-from-menu{max-height:380px;border-color:var(--send-email-dropdown-border);opacity:1;pointer-events:auto}.send-email-from-options{padding:7px}.send-email-from-option{width:100%;min-height:34px;border:none;border-radius:10px;background:transparent;color:var(--send-email-dropdown-text);padding:0 9px;font:inherit;font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;text-align:left}.send-email-from-option span{display:block;flex:1 1 auto;min-width:0;color:inherit;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.send-email-from-option:hover,.send-email-from-option.is-selected{background:var(--send-email-dropdown-hover);color:var(--send-email-dropdown-accent)}.send-email-from-custom{border-top:1px solid var(--send-email-dropdown-border);padding:9px}.send-email-from-custom-label{margin-bottom:6px;color:var(--send-email-dropdown-muted);font-size:11px;font-weight:700;text-transform:uppercase}.send-email-from-custom-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:center}.send-email-from-custom-input{min-width:0;height:34px;border:1px solid var(--send-email-dropdown-border);border-radius:10px;background:var(--send-email-dropdown-bg);color:var(--send-email-dropdown-text);-webkit-text-fill-color:var(--send-email-dropdown-text);padding:0 10px;font:inherit;font-size:13px;outline:none}.send-email-from-custom-domain{grid-column:1 / -1;min-width:0;color:var(--send-email-dropdown-muted);font-size:12px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.send-email-from-custom-use{grid-column:2;grid-row:1;height:34px;border:none;border-radius:10px;background:#2563eb;color:#fff;padding:0 12px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.send-email-from-custom-error{margin-top:6px;color:#dc2626;font-size:11px;line-height:1.3}.send-email-subject-input::placeholder{color:#94a3b8}.send-email-subject-input:focus,.send-email-from-trigger:focus,.send-email-from-custom-input:focus{border-color:#2563eb}:root[data-theme=dark] .send-email-from-dropdown{--send-email-dropdown-bg: var(--app-surface);--send-email-dropdown-bg-soft: var(--app-surface-soft);--send-email-dropdown-hover: var(--app-hover);--send-email-dropdown-border: #303030;--send-email-dropdown-text: #fafafa;--send-email-dropdown-muted: #d4d4d4;--send-email-dropdown-accent: #ffffff;--send-email-dropdown-shadow: 0 16px 40px rgba(0, 0, 0, .42)}:root[data-theme=dark] .send-email-subject-input,:root[data-theme=dark] .send-email-from-trigger,:root[data-theme=dark] .send-email-from-custom-input{background:var(--app-surface);border-color:#303030;color:var(--app-text);-webkit-text-fill-color:var(--app-text)}:root[data-theme=dark] .send-email-subject-input::placeholder,:root[data-theme=dark] .send-email-from-custom-input::placeholder{color:#8a8a8a}:root[data-theme=dark] .send-email-from-trigger:focus,:root[data-theme=dark] .send-email-from-custom-input:focus,:root[data-theme=dark] .send-email-subject-input:focus{border-color:#525252}.send-email-save-button{min-height:36px;min-width:96px;border:none;border-radius:10px;background:#2563eb;color:#fff;padding:0 14px;font:inherit;font-size:13px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;transition:min-width .22s ease,padding .22s ease,background-color .22s ease,color .22s ease,transform .18s ease,opacity .18s ease}.send-email-save-button svg{flex:0 0 auto}.send-email-save-button.is-saving svg{animation:send-email-save-spin .85s linear infinite}@keyframes send-email-save-spin{to{transform:rotate(360deg)}}.send-email-save-button:not(:disabled):hover{background:#1d4ed8}.send-email-save-button.is-saving{min-width:112px;background:#1d4ed8}.send-email-save-button.is-saved{min-width:154px;background:#16a34a;transform:scale(1.02)}.send-email-save-button.is-error{min-width:118px;background:#dc2626}.send-email-save-button:disabled{background:var(--app-sidebar-active, #efefef);color:var(--app-muted, #6b7280);cursor:default;opacity:.75}.send-email-save-button.is-saved:disabled{background:#16a34a;color:#fff;opacity:1}.send-email-save-state{color:var(--app-muted, #6b7280);font-size:12px;line-height:1.4}.send-email-template{width:min(100%,680px);flex:1;min-height:720px;max-height:calc(var(--app-viewport-height) - 108px);margin:0 auto 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