.notes-mode-button{gap:9px}.notes-mode-button.compact{background:var(--surface-muted);min-height:36px;color:var(--ink);border:1px solid var(--line-strong);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:7px 10px;font-size:12px;display:inline-flex}.notes-mode-button.active{color:var(--accent);background:var(--accent-soft)}.notes-layer{width:100vw;max-width:none;height:100dvh;max-height:none;color:var(--ink);pointer-events:none;background:0 0;border:0;margin:0;padding:0;position:fixed;inset:0;overflow:visible}.notes-layer::backdrop{-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:none;background:0 0}.notes-click-shield{cursor:crosshair;pointer-events:auto;touch-action:none;position:absolute;inset:0}.notes-target-outline{border:2px solid var(--focus);outline:3px solid color-mix(in srgb, var(--focus) 20%, transparent);pointer-events:none;z-index:1;border-radius:7px;position:fixed}.notes-target-outline.selected{box-shadow:0 0 0 200vmax var(--overlay);border-color:var(--focus);outline-color:var(--paper)}.notes-mode-strip{z-index:5;border:1px solid var(--line-strong);background:var(--paper);width:max-content;max-width:calc(100vw - 24px);box-shadow:var(--shadow);pointer-events:auto;color:var(--muted);border-radius:12px;align-items:center;gap:13px;padding:12px 14px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.notes-mode-strip>span{gap:4px;min-width:0;display:grid}.notes-mode-strip strong{color:var(--ink);font-size:13px}.notes-mode-strip small{color:var(--muted);font-size:12px}.notes-mode-strip button{border:1px solid var(--line-strong);background:var(--surface-muted);color:var(--ink);white-space:nowrap;border-radius:6px;padding:8px 10px;font-size:12px}.notes-mode-strip .notes-done{color:var(--on-accent);background:var(--accent);border-color:var(--accent);align-items:center;gap:5px;display:inline-flex}.notes-count-bubble{position-anchor:var(--notes-anchor);left:anchor(right);top:anchor(top);position-visibility:anchors-visible;z-index:3;border:2px solid var(--paper);background:var(--accent);min-width:25px;height:25px;color:var(--on-accent);pointer-events:auto;border-radius:999px;place-items:center;padding:0 7px;font-size:11px;font-weight:750;display:grid;position:fixed;translate:-50% -50%}.notes-count-bubble:hover{background:var(--accent-hover);scale:1.08}.notes-context-menu{z-index:7;border:1px solid var(--line-strong);background:var(--paper);width:218px;box-shadow:var(--shadow);pointer-events:auto;border-radius:10px;padding:7px;position:fixed}.notes-context-menu>span{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;padding:5px 8px 8px;font-size:11px;display:block;overflow:hidden}.notes-context-menu button{width:100%;color:var(--ink);background:var(--surface-muted);text-align:left;border-radius:6px;align-items:center;gap:9px;padding:10px;font-size:13px;display:flex}.notes-menu-arrow{margin-left:auto;transform:rotate(180deg)}.notes-modal{z-index:9;background:var(--paper);border:1px solid var(--line-strong);width:430px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);box-shadow:var(--shadow);pointer-events:auto;border-radius:14px;flex-direction:column;display:flex;position:fixed;overflow:hidden}.notes-modal-drag{background:var(--surface-muted);border-bottom:1px solid var(--line);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;padding:11px 14px;display:flex}.notes-modal-drag:active{cursor:grabbing}.notes-modal-drag>div{color:var(--muted);align-items:center;gap:10px;display:flex}.notes-modal-drag h2{color:var(--ink);margin:0;font-size:15px;font-weight:650}.notes-target-caption{color:var(--muted);background:var(--paper);border-bottom:1px solid var(--line);flex-shrink:0;align-items:center;gap:8px;padding:10px 20px;font-size:12px;display:flex}.notes-target-caption svg{flex-shrink:0}.notes-target-caption span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.notes-modal-content{overscroll-behavior:contain;min-height:0;padding:20px;overflow-y:auto}.notes-modal-content label{color:var(--ink);margin-bottom:10px;font-size:13px;font-weight:600;display:block}.notes-modal-content textarea{resize:vertical;border:1px solid var(--line-strong);background:var(--paper);width:100%;min-height:130px;max-height:40dvh;color:var(--ink);border-radius:8px;padding:12px;font-size:14px;line-height:1.65;display:block}.notes-modal-content textarea::placeholder{color:var(--muted)}.notes-editor-footer{align-items:center;gap:8px;margin-top:12px;display:flex}.notes-editor-footer small{color:var(--muted);flex:1;font-size:11px}.notes-editor-footer .button{gap:5px;min-height:36px;padding:8px 10px;font-size:12px}.notes-modal-footer{text-align:center;background:var(--surface-muted);border-top:1px solid var(--line);color:var(--muted);flex-shrink:0;padding:11px 20px;font-size:11px}.notes-empty{text-align:center;color:var(--muted);padding:24px 10px}.notes-empty h3{color:var(--ink);margin:12px 0 8px;font-size:14px;font-weight:600}.notes-empty p{color:var(--muted);margin:8px 0;font-size:13px;line-height:1.65}.notes-list{gap:12px;display:grid}.notes-item{border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:14px}.notes-item-body{color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.75}.notes-item-target{color:var(--muted);margin:0 0 9px;font-size:12px;line-height:1.5}.notes-item footer{align-items:center;gap:2px;margin-top:10px;display:flex}.notes-item time{color:var(--muted);flex:1;font-size:11px}.notes-item footer .icon-button{width:28px;height:28px}.notes-item .notes-delete:hover{color:var(--danger);background:var(--danger-soft)}.notes-add{width:100%;margin-top:14px}.notes-delete-confirm{background:var(--danger-soft);color:var(--danger);border-radius:6px;flex-wrap:wrap;align-items:center;gap:9px;margin:10px -4px -4px;padding:10px;font-size:12px;display:flex}.notes-delete-confirm span{flex:1}.notes-delete-confirm button{color:var(--danger);background:0 0;padding:4px;font-size:12px}.notes-delete-confirm button:last-child{font-weight:700}.notes-form-error{color:var(--danger);font-size:13px;line-height:1.6}.notes-load-error{z-index:5;border:1px solid var(--danger);background:var(--danger-soft);max-width:calc(100vw - 24px);color:var(--danger);pointer-events:auto;border-radius:9px;padding:10px 14px;font-size:13px;position:fixed;bottom:102px;left:50%;transform:translate(-50%)}.notes-load-error button{color:inherit;background:0 0;margin-left:10px;text-decoration:underline}@media (width<=600px){.notes-mode-strip{flex-wrap:wrap;gap:9px;padding:11px;bottom:12px}.notes-mode-strip>span{flex:1}.notes-mode-strip small{font-size:11px}.notes-mode-strip>button{flex:1;justify-content:center}.notes-mode-strip>svg{display:none}.notes-modal-content{padding:15px}.courses-account .notes-mode-button.compact{padding:7px}.courses-account .notes-mode-button.compact>span{display:none}.preview-toolbar{flex-wrap:wrap}}.notes-time-filter{flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:16px!important;font-size:12px!important;display:flex!important}.notes-time-filter input{accent-color:var(--accent)}.notes-time-filter small{color:var(--muted);font-weight:400}.notes-time-link{border:1px solid var(--line-strong);color:var(--accent);background:var(--paper);border-radius:5px;margin-top:10px;padding:5px 7px;font-size:12px}.transcript-cues{gap:2px;display:grid}.transcript-cue{text-align:left;background:0 0;border-left:3px solid #0000;border-radius:5px;gap:15px;width:100%;padding:9px 7px;display:flex}.transcript-cue:hover{background:var(--surface-hover)}.transcript-cue>time{font-variant-numeric:tabular-nums;border:1px solid var(--line);background:var(--surface-muted);min-width:48px;color:var(--accent);border-radius:4px;flex-shrink:0;align-self:flex-start;padding:5px 6px;font-size:12px}.transcript-cue>span{color:var(--ink);margin:2px 0;font-size:14px;line-height:1.75}.transcript-more{background:var(--paper);color:var(--ink);border:1px solid var(--line-strong);border-radius:6px;align-items:center;gap:7px;margin:14px auto 0;padding:8px 12px;font-size:12px;display:flex}.notes-offline-notice{border:1px solid var(--line);background:var(--surface-muted);color:var(--muted);border-radius:7px;margin:0 0 16px;padding:10px 12px;font-size:12px;line-height:1.7}.notes-mode-button.compact:hover,.notes-mode-strip button:hover,.notes-context-menu button:hover,.notes-time-link:hover,.transcript-more:hover{background:var(--surface-hover)}.notes-mode-button.active{border-color:var(--accent)}.notes-mode-strip .notes-done:hover{background:var(--accent-hover)}.transcript-cue>time:hover{background:var(--accent-soft);border-color:var(--accent)}.transcript-cue.is-current{background:var(--accent-soft);border-left-color:var(--accent)}.transcript-cue.is-current>time{background:var(--paper);border-color:var(--accent)}.ferz-brand,.ferz-mark{--brand-ink:light-dark(#713b59,#efaaca);--brand-secondary:light-dark(#87556d,#d99ab7);--brand-plate:light-dark(#f2e6ed,#3f2a35);--brand-petal-left:light-dark(#b77591,#d58eae);--brand-petal-right:light-dark(#d6a6b4,#af748d);--brand-stem:light-dark(#87556d,#f0b4d0);--brand-spark:light-dark(#8f6a3e,#dcb984)}.ferz-brand{color:var(--brand-ink);flex-shrink:0;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.ferz-brand .ferz-mark{flex:none;width:51px;height:51px}.ferz-wordmark{letter-spacing:-2px;font-family:Georgia,Times New Roman,serif;font-size:38px;font-weight:400;line-height:.93}.ferz-wordmark>span{color:var(--brand-secondary);margin-left:1px;font-style:italic}.ferz-brand-compact .ferz-mark{width:34px;height:34px}.ferz-brand-compact .ferz-wordmark{font-size:28px}@media (width<=480px){.ferz-brand{gap:8px}.ferz-brand .ferz-mark{width:40px;height:40px}.ferz-wordmark{font-size:31px}}.sidebar-course-brand{align-items:center;gap:9px;min-width:0;display:flex}.sidebar-brand-cross{color:var(--subtle);opacity:.65;-webkit-user-select:none;user-select:none;flex:none;font-family:Georgia,Times New Roman,serif;font-size:19px;font-style:italic;font-weight:400;line-height:1;display:inline-block;transform:translateY(-1px)scaleX(.8)}.sidebar-course-logo{border:1px solid var(--line);width:36px;height:36px;color:var(--muted);background:var(--surface-muted);border-radius:7px;flex:none;place-items:center;text-decoration:none;display:grid;overflow:hidden}.sidebar-course-logo:has(img){background:#fff;border-color:#fff}.sidebar-course-logo img{object-fit:contain;width:100%;height:100%;display:block}.sidebar-course-logo>span{letter-spacing:-.4px;font-size:11px;font-weight:550}.sidebar-course-logo:focus-visible{outline:2px solid var(--focus);outline-offset:4px}.site-logo{object-fit:contain;object-position:left center;width:auto;max-width:164px;height:51px;display:block}.ferz-brand-compact .site-logo{max-width:105px;height:34px}@media (width>=741px) and (width<=920px){.sidebar-course-brand{gap:8px}.sidebar-course-logo{border-radius:9px;width:32px;height:32px}}.theme-control{border:1px solid var(--line,#ddd);background:var(--surface-muted,#eee);color:var(--ink,#18191d);border-radius:7px;align-items:center;gap:3px;padding:3px;display:inline-flex}.theme-control button{min-height:34px;color:var(--muted,#666);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:5px;justify-content:center;align-items:center;gap:6px;padding:7px 10px;font-size:12px;font-weight:600;display:inline-flex}.theme-control button:hover{color:var(--ink,#18191d);background:var(--surface-hover,#e5e5e5)}.theme-control button[aria-checked=true]{background:var(--paper,#fff);color:var(--ink,#18191d);box-shadow:0 1px 3px #00000014}.theme-control button:focus-visible{outline:2px solid var(--focus,#6e56cf);outline-offset:2px}.theme-control-compact button{min-width:32px;padding:7px}.theme-control-compact button span{display:none}.theme-setting{gap:10px;margin:20px 0;display:grid}.theme-setting>span{color:var(--ink,#18191d);font-size:13px;font-weight:600}.theme-setting .theme-control{place-self:start}.auth-theme{justify-content:center;margin:20px 0 0;display:flex}.pwa-install-button{border:1px solid var(--line-strong);min-height:36px;color:var(--ink);background:var(--paper);white-space:nowrap;border-radius:8px;align-items:center;gap:7px;padding:7px 11px;font-size:12px;display:inline-flex}.pwa-install-dialog{background:var(--paper);border:1px solid var(--line-strong);width:440px;max-width:calc(100vw - 28px);color:var(--ink);border-radius:11px;padding:0}.pwa-install-content{padding:32px;position:relative}.pwa-install-content h2{letter-spacing:-.6px;margin:29px 0 13px;font-size:27px;font-weight:550;line-height:1.25}.pwa-install-content>p{color:var(--muted);font-size:13px;line-height:1.8}.pwa-install-content>small{color:var(--muted);margin:18px 0;font-size:12px;line-height:1.7;display:block}.pwa-install-content>.button{width:100%;margin-top:8px}.pwa-install-close{position:absolute;top:16px;right:16px}.pwa-install-instructions{background:var(--surface-muted);color:var(--ink);border-radius:10px;align-items:center;gap:15px;padding:18px;font-size:13px;line-height:1.8;display:flex}.pwa-install-instructions svg{flex-shrink:0}.downloads-nav{text-decoration:none}.downloads-nav.compact{background:var(--surface-muted);color:var(--ink);border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:8px 10px;font-size:12px;display:inline-flex}.offline-connection{color:var(--warning);white-space:nowrap;align-items:center;gap:6px;font-size:11px;display:inline-flex}.offline-asset-state{color:var(--muted);flex-shrink:0;align-items:center;gap:7px;display:inline-flex}.offline-asset-state>span:last-child:not(.offline-status-ring){white-space:nowrap;font-size:11px}.offline-status-ring{flex-shrink:0;place-items:center;width:28px;height:28px;display:inline-grid;position:relative}.offline-status-ring>svg:first-child{fill:none;stroke-width:1.8px;width:28px;height:28px;position:absolute;inset:0;transform:rotate(-90deg)}.offline-status-ring>svg:not(:first-child){position:relative}.ring-track{stroke:var(--line)}.ring-value{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .35s}.offline-ring-percent{font-variant-numeric:tabular-nums;font-size:9px;font-weight:650}.offline-status-ring.pending>svg:first-child{animation:1.4s linear infinite offline-ring-spin}.offline-state-updating .offline-status-ring>svg:not(:first-child){animation:2.4s linear infinite offline-ring-spin}.offline-state-complete{color:var(--success)}.offline-state-complete .ring-value{stroke:var(--success)}.offline-state-error{color:var(--danger)}.offline-state-error .ring-track{stroke:var(--danger)}@keyframes offline-ring-spin{to{transform:rotate(270deg)}}.offline-settings{border:1px solid var(--line);background:var(--surface-muted);border-radius:11px;margin:0 0 27px;padding:17px}.offline-settings-heading{color:var(--muted);align-items:center;gap:10px;display:flex}.offline-settings-heading h3{color:var(--ink);margin:0;font-size:14px;font-weight:600}.offline-settings-heading p{color:var(--muted);margin:4px 0 0;font-size:12px}.offline-auto-setting{cursor:pointer;align-items:center;gap:18px;margin-top:20px;display:flex}.offline-auto-setting>span:first-child{flex:1;min-width:0}.offline-auto-setting strong{color:var(--ink);font-size:13px;font-weight:550;display:block}.offline-auto-setting small{color:var(--muted);margin-top:7px;font-size:12px;line-height:1.75;display:block}.offline-switch{flex-shrink:0;width:38px;height:23px;position:relative}.offline-switch input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.offline-switch i{background:var(--muted);pointer-events:none;border-radius:99px;width:38px;height:23px;transition:background .2s;display:block}.offline-switch i:after{content:"";background:var(--paper);border-radius:50%;width:17px;height:17px;transition:translate .2s;position:absolute;top:3px;left:3px}.offline-switch input:checked+i{background:var(--accent)}.offline-switch input:checked+i:after{translate:15px}.offline-switch input:focus-visible+i{outline:2px solid var(--focus);outline-offset:3px}.offline-switch input:disabled+i{opacity:.5}.offline-setting-hint{color:var(--muted);margin:13px 0 17px;font-size:12px;line-height:1.7}.offline-setting-error{color:var(--danger);font-size:12px;line-height:1.7}.offline-storage-link{border-top:1px solid var(--line);color:var(--accent);align-items:center;gap:9px;padding-top:14px;font-size:13px;text-decoration:none;display:flex}.offline-storage-link>span{flex:1}.offline-storage-link small{color:var(--muted);margin-top:3px;font-size:12px;display:block}.offline-settings-dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line-strong);border-radius:13px;width:430px;max-width:calc(100vw - 28px);padding:22px}.offline-settings-dialog>header{justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px;display:flex}.offline-settings-dialog h2{color:var(--ink);margin:0;font-size:19px;font-weight:550}.offline-settings-dialog .offline-settings{margin-bottom:0}.downloads-page{background:var(--canvas);min-height:100dvh}.downloads-topbar{background:var(--paper);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:79px;padding:0 5.6%;display:flex}.downloads-topbar>div{align-items:center;gap:16px;display:flex}.downloads-main{max-width:1110px;margin:0 auto;padding:54px 30px 35px}.downloads-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:29px;display:flex}.downloads-heading h1{letter-spacing:-1px;color:var(--ink);margin:11px 0 14px;font-size:38px;font-weight:550}.downloads-heading h1 span{color:var(--accent)}.downloads-heading p:not(.eyebrow){color:var(--muted);margin:0;font-size:13px;line-height:1.8}.downloads-heading>.button{margin-bottom:5px}.downloads-storage{border:1px solid var(--line);background:var(--paper);border-radius:13px;align-items:center;gap:22px;padding:25px 27px;display:flex}.downloads-storage-icon{width:54px;height:54px;color:var(--muted);background:var(--surface-muted);border-radius:13px;flex-shrink:0;place-items:center;display:grid}.downloads-storage>div{flex:1;min-width:0}.downloads-storage strong{color:var(--ink);font-size:20px;font-weight:550}.downloads-storage strong span{color:var(--muted);font-size:12px;font-weight:400}.downloads-storage p{color:var(--muted);margin:7px 0;font-size:12px}.downloads-storage-track{background:var(--line);border-radius:9px;max-width:340px;height:4px;margin:13px 0 7px;overflow:hidden}.downloads-storage-track i{border-radius:inherit;background:var(--accent);min-width:3px;height:100%;transition:width .4s;display:block}.downloads-storage small{color:var(--muted);font-size:11px}.offline-auto-state{background:var(--surface-muted);color:var(--muted);white-space:nowrap;border-radius:6px;align-items:center;gap:5px;padding:7px 9px;font-size:11px;display:inline-flex}.offline-auto-state.enabled{color:var(--accent);background:var(--accent-soft)}.downloads-offline-notice{background:var(--warning-soft);border:1px solid var(--warning);color:var(--warning);border-radius:8px;align-items:center;gap:10px;margin-top:16px;padding:13px 17px;font-size:12px;line-height:1.6;display:flex}.downloads-offline-notice svg{flex-shrink:0}.downloads-offline-notice.error{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.downloads-toolbar{justify-content:space-between;align-items:center;gap:15px;padding:28px 0 17px;display:flex}.downloads-toolbar>div:last-child{align-items:center;gap:15px;display:flex}.downloads-toolbar>div:last-child button{color:var(--ink);background:0 0;align-items:center;gap:6px;padding:4px 0;font-size:12px;display:inline-flex}.download-courses{gap:22px;display:grid}.download-course{border:1px solid var(--line);background:var(--paper);border-radius:11px;overflow:hidden}.download-course>header{background:var(--surface-muted);border-bottom:1px solid var(--line);align-items:center;gap:15px;padding:19px 22px;display:flex}.download-course>header>div{flex:1;min-width:0}.download-course>header a{color:var(--ink);align-items:center;gap:9px;font-size:14px;font-weight:550;text-decoration:none;display:flex}.download-course>header a svg{color:var(--muted)}.download-course>header p{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin:9px 0 0;font-size:12px;display:flex}.download-course>header p>span{margin:0 4px}.downloads-check{cursor:pointer;flex-shrink:0;place-items:center;width:17px;height:17px;display:grid;position:relative}.downloads-check input{width:17px;height:17px;accent-color:var(--accent);cursor:pointer;margin:0}.downloads-check>span{display:none}.download-asset{border-bottom:1px solid var(--line);align-items:center;gap:13px;padding:16px 22px;display:flex}.download-asset:last-child{border-bottom:0}.download-asset-icon{width:35px;height:37px;color:var(--muted);background:var(--surface-muted);border-radius:7px;flex-shrink:0;place-items:center;display:grid}.download-asset-title{text-align:left;background:0 0;flex:1;min-width:0;padding:0}.download-asset-title strong{color:var(--ink);overflow-wrap:anywhere;font-size:13px;font-weight:500;line-height:1.6;display:block}.download-asset-title span{color:var(--muted);margin-top:4px;font-size:12px;display:block}.download-asset-title:hover strong{color:var(--accent)}.download-asset-size{color:var(--muted);white-space:nowrap;font-size:11px}.download-asset>.offline-asset-state{justify-content:flex-end;width:175px}.download-asset-actions{flex-shrink:0;width:30px}.downloads-delete-confirm{border:1px solid var(--danger);background:var(--danger-soft);color:var(--danger);border-radius:9px;align-items:center;gap:12px;margin-bottom:18px;padding:18px;display:flex}.downloads-delete-confirm>svg{flex-shrink:0}.downloads-delete-confirm>div{flex:1;min-width:0}.downloads-delete-confirm strong{font-size:13px;font-weight:550}.downloads-delete-confirm p{margin:6px 0 0;font-size:12px;line-height:1.7}.downloads-empty{text-align:center;border:1px solid var(--line-strong);background:var(--paper);border-radius:13px;padding:60px 20px}.downloads-empty>span{background:var(--surface-muted);width:74px;height:74px;color:var(--muted);border-radius:14px;place-items:center;display:inline-grid}.downloads-empty h2{color:var(--ink);margin:23px 0 12px;font-size:20px;font-weight:500}.downloads-empty p{max-width:430px;color:var(--muted);margin:0 auto 22px;font-size:13px;line-height:1.8}.downloads-footer{color:var(--muted);justify-content:center;align-items:center;gap:7px;margin-top:35px;font-size:12px;display:flex}@media (prefers-reduced-motion:reduce){.offline-status-ring.pending>svg:first-child,.offline-state-updating .offline-status-ring>svg:not(:first-child){animation:none}.ring-value{transition:none}}@media (width<=720px){.downloads-main{padding:33px 19px}.downloads-heading{flex-direction:column;align-items:flex-start;gap:18px}.downloads-heading h1{font-size:32px}.downloads-storage{flex-wrap:wrap;gap:13px;padding:19px}.downloads-storage>div{min-width:200px}.offline-auto-state{margin-left:67px}.download-course>header{gap:10px;padding:16px}.download-asset{flex-wrap:wrap;gap:10px;padding:15px}.download-asset-title{flex-basis:calc(100% - 140px)}.download-asset>.offline-asset-state{flex:1;justify-content:flex-start;width:auto;margin-left:62px}.download-asset>.download-asset-size{order:4}.download-asset>.download-asset-actions{order:5}.download-asset-icon{width:28px;height:33px}.downloads-delete-confirm{flex-wrap:wrap}.downloads-delete-confirm>div{flex-basis:calc(100% - 40px)}.downloads-delete-confirm>button:first-of-type{margin-left:auto}.downloads-toolbar{align-items:flex-start}.downloads-toolbar>div:last-child{flex-direction:column;align-items:flex-end;gap:8px}}@media (width<=480px){.pwa-install-button.compact>span,.downloads-nav.compact>span{display:none}.pwa-install-button.compact,.downloads-nav.compact{padding:7px}.courses-account .account-trigger>span:nth-child(2){display:none}.courses-account .account-trigger{padding-inline:4px}.downloads-topbar{height:70px;padding:0 18px}.downloads-topbar>div{gap:7px}.downloads-topbar .notes-mode-button>span,.downloads-topbar .offline-connection{display:none}.downloads-topbar .button{min-height:34px;padding:8px;font-size:11px}.downloads-storage-icon{width:41px;height:41px}.downloads-storage>div{min-width:180px}.offline-auto-state{margin-left:54px;font-size:11px}.downloads-storage strong{font-size:19px}.downloads-storage strong span{font-size:11px}.download-asset>.offline-asset-state{margin-left:55px}.downloads-footer{align-items:flex-start;line-height:1.6}.pwa-install-content{padding:28px 23px}}.sidebar-install:has(.pwa-install-button){padding:16px 0 12px}.sidebar-install .pwa-install-button{justify-content:center;width:100%}@media (display-mode:standalone){body{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}}.material-row:has(.offline-asset-state){grid-template-columns:minmax(0,1fr) 113px 70px 104px}@media (width<=920px){.material-row:has(.offline-asset-state){grid-template-columns:minmax(0,1fr) 90px 60px}}@media (width<=480px){.material-row:has(.offline-asset-state){grid-template-columns:minmax(0,1fr) 64px}.courses-topbar .offline-connection>span,.topbar .offline-connection>span{display:none}}.pwa-install-button:hover,.downloads-nav.compact:hover{background:var(--surface-hover)}.offline-switch input:checked+i:after{background:var(--on-accent)}.offline-state-downloading,.offline-state-updating{color:var(--accent)}.offline-state-error .ring-value{stroke:var(--danger)}.offline-storage-link:hover,.download-course>header a:hover{color:var(--accent-hover)}.downloads-toolbar>div:last-child button:hover{color:var(--danger)}.download-asset:hover{background:var(--surface-muted)}.video-quality{flex-shrink:0;align-items:center;gap:7px;display:flex}.video-quality>span{color:var(--muted);font-size:12px}.video-quality select{border:1px solid var(--line-strong);background:var(--paper);max-width:140px;min-height:32px;color:var(--ink);cursor:pointer;border-radius:6px;padding:6px 21px 6px 8px;font-size:12px}.video-quality select:hover{background:var(--surface-hover)}.video-quality select:focus-visible{outline:2px solid var(--focus);outline-offset:3px}@media (width<=600px){.video-caption{flex-wrap:wrap;gap:10px}.video-caption>span:first-child{width:100%;min-width:0}.video-caption-end{flex-wrap:wrap;justify-content:flex-start;width:100%}.video-quality{margin-right:auto}.video-block .video-caption-end{flex-wrap:wrap;justify-content:flex-start;width:100%;margin-left:0}}.video-offline-quality{border:1px solid var(--line);color:var(--muted);background:var(--surface-muted);border-radius:6px;padding:6px 8px;font-size:11px}:root{color-scheme:light dark;--canvas:light-dark(#f2f2ee,#121714);--paper:light-dark(#fff,#1b211d);--surface-muted:light-dark(#e9ebe7,#252d27);--surface-hover:light-dark(#e1e5e0,#303a32);--ink:light-dark(#20251f,#eef2ec);--muted:light-dark(#555d54,#b7c2b5);--subtle:light-dark(#626c61,#a7b3a6);--line:light-dark(#ced3cb,#3e4a3f);--line-strong:light-dark(#8a9487,#687867);--accent:light-dark(#713b59,#efaaca);--accent-hover:light-dark(#592b44,#f4c0d7);--accent-soft:light-dark(#f2e6ed,#3f2a35);--on-accent:light-dark(#fff,#24141d);--success:light-dark(#356144,#a6d0ae);--success-soft:light-dark(#e7efe7,#223c2b);--danger:light-dark(#a12d3b,#f6b0b7);--danger-soft:light-dark(#fae9eb,#46282c);--warning:light-dark(#795218,#e7c68a);--warning-soft:light-dark(#f4ecd9,#3d3322);--focus:var(--accent);--overlay:light-dark(#111b1459,#0009);--shadow:0 18px 64px light-dark(#16201926,#00000070);--purple:var(--accent);--purple-dark:var(--accent-hover);--purple-soft:var(--accent-soft);--green:var(--success);color:var(--ink);background:var(--canvas);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea,select{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}a{color:var(--purple)}button:disabled{cursor:wait;opacity:.65}button,a,input{outline-offset:4px}:focus-visible{outline:2px solid var(--focus)}button{border:0}button svg,a svg{flex-shrink:0}::selection{background:var(--accent-soft);color:var(--accent)}::backdrop{background:var(--overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--purple);color:var(--on-accent);border-radius:8px;padding:12px 18px;position:fixed;top:-80px;left:20px}.skip-link:focus{top:15px}.muted{color:var(--muted)}.eyebrow{letter-spacing:0;color:var(--muted);margin:0;font-size:12px;font-weight:600;line-height:1.5}.icon-button{width:36px;height:36px;color:var(--muted);background:0 0;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;text-decoration:none;transition:background .15s,color .15s;display:inline-flex}.icon-button:hover{color:var(--purple);background:var(--purple-soft)}.button{white-space:nowrap;border-radius:7px;justify-content:center;align-items:center;gap:9px;min-height:42px;padding:10px 17px;font-size:14px;font-weight:600;text-decoration:none;transition:background .15s,box-shadow .15s;display:inline-flex}.button-primary{color:var(--on-accent);background:var(--purple);box-shadow:none}.button-primary:hover{background:var(--purple-dark);box-shadow:none}.button-secondary{color:var(--ink);background:var(--paper);border:1px solid var(--line-strong)}.button-secondary:hover{background:var(--surface-hover)}.app-shell{min-height:100vh}.sidebar{z-index:30;background:var(--paper);border-right:1px solid var(--line);flex-direction:column;width:272px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{flex-shrink:0;justify-content:space-between;align-items:center;height:92px;padding:29px 27px 19px;display:flex}.sidebar-brand>button:first-child{background:0 0;align-items:center;gap:10px;padding:0;display:flex}.sidebar-brand>button:first-child>span:last-child{letter-spacing:-1.6px;font-size:34px;font-weight:720;line-height:1}.brand-period{color:var(--purple)}.brand-mark{width:30px;height:30px;color:var(--purple);display:inline-block}.brand-mark svg{width:100%;height:100%}.sidebar-intro{flex-shrink:0;padding:8px 17px 20px}.sidebar-intro>.eyebrow{letter-spacing:0;color:var(--muted);padding:0 12px 14px;font-size:12px;display:block}.overview-nav{width:100%;color:var(--muted);text-align:left;background:0 0;border-radius:7px;align-items:center;gap:11px;margin-top:4px;padding:10px 12px;font-size:14px;display:flex}.overview-nav>span{flex:1}.overview-nav>svg:last-child{opacity:0}.overview-nav:hover{background:var(--surface-hover);color:var(--purple)}.overview-nav.active{color:var(--purple);background:var(--purple-soft);box-shadow:inset 3px 0 var(--accent);font-weight:600}.overview-nav.active>svg:last-child{opacity:.75}.sidebar-lessons-heading{letter-spacing:0;color:var(--muted);justify-content:space-between;align-items:center;padding:6px 29px 12px;font-size:12px;font-weight:600;display:flex}.sidebar-lessons-heading>span:last-child{background:var(--surface-muted);letter-spacing:0;border-radius:4px;padding:2px 5px;font-size:12px}.sidebar-lessons{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;overscroll-behavior:contain;flex:1;min-height:0;padding:0 13px 16px;overflow:hidden auto}.sidebar-lesson{text-align:left;width:100%;color:var(--muted);background:0 0;border-radius:6px;align-items:flex-start;gap:10px;margin:1px 0;padding:11px 12px;font-size:13px;line-height:1.5;display:flex;position:relative}.sidebar-lesson:hover{color:var(--accent);background:var(--surface-hover)}.sidebar-lesson.active{color:var(--ink);background:var(--surface-muted);box-shadow:inset 3px 0 var(--accent);font-weight:600}.sidebar-lesson>span:nth-child(2){overflow-wrap:anywhere;flex:1}.sidebar-number{color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0;justify-content:center;align-items:center;min-width:19px;padding-top:1px;font-size:12px;display:inline-flex}.sidebar-lesson.completed .sidebar-number{background:var(--surface-muted);width:18px;height:18px;color:var(--muted);border-radius:50%;margin-top:1px}.sidebar-lesson.active .sidebar-number{color:var(--accent)}.current-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:4px;height:4px;margin-top:7px}.sidebar-loading{color:var(--muted);padding:10px 14px;font-size:13px}.sidebar-bottom{border-top:1px solid var(--line);background:var(--paper);flex-shrink:0;padding:16px 23px 19px}.sidebar-progress>span{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.sidebar-progress strong{color:var(--ink);font-size:13px;font-weight:600}.progress-track{background:var(--surface-muted);border-radius:20px;height:4px;overflow:hidden}.progress-track i{background:var(--accent);border-radius:20px;height:100%;transition:width .25s;display:block}.sidebar-progress .progress-track{margin:10px 0 7px}.sidebar-progress small{color:var(--muted);font-size:12px}.sidebar-local{align-items:center;gap:9px;margin-top:20px;display:flex}.local-drive-icon{width:33px;height:33px;color:var(--muted);background:var(--surface-muted);border-radius:8px;place-items:center;display:grid}.sidebar-local>span:nth-child(2){flex:1;min-width:0}.sidebar-local strong,.sidebar-local small{display:block}.sidebar-local strong{color:var(--ink);font-size:12px;font-weight:600}.sidebar-local small{color:var(--muted);margin-top:4px;font-size:12px}.green-dot{background:var(--success);border-radius:50%;width:5px;height:5px}.workspace{min-width:0;margin-left:272px}.topbar{border-bottom:1px solid var(--line);background:var(--paper);z-index:15;-webkit-backdrop-filter:none;backdrop-filter:none;justify-content:space-between;align-items:center;gap:20px;min-height:68px;padding:0 41px;display:flex;position:sticky;top:0}.breadcrumbs{min-width:0;color:var(--muted);align-items:center;gap:10px;font-size:13px;display:flex}.breadcrumbs>span:first-child{white-space:nowrap}.breadcrumbs>span:last-child{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;max-width:300px;overflow:hidden}.breadcrumbs svg{color:var(--muted);flex-shrink:0}.topbar-actions{flex-shrink:0;align-items:center;gap:14px;display:flex}.search-trigger{background:var(--paper);border:1px solid var(--line-strong);color:var(--muted);border-radius:7px;align-items:center;gap:9px;padding:8px 10px;font-size:13px;display:flex}.search-trigger:hover{background:var(--surface-hover);border-color:var(--line-strong)}kbd{border:1px solid var(--line);color:var(--muted);background:var(--surface-muted);border-radius:4px;padding:2px 4px;font-family:inherit;font-size:12px}.search-trigger kbd{align-items:center;gap:2px;margin-left:7px;display:flex}.local-badge{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:flex}.local-badge>span{background:var(--surface-muted);border-radius:50%;width:5px;height:5px}.main-content{outline:none;max-width:1310px;margin:0 auto;padding:44px 49px 30px}.page-heading{margin-bottom:23px}.page-heading .eyebrow{color:var(--muted);font-size:12px}.page-heading h1{letter-spacing:-1px;color:var(--ink);margin:9px 0 11px;font-size:clamp(28px,3vw,36px);font-weight:650;line-height:1.18}.page-description{color:var(--muted);margin:0;font-size:15px;line-height:1.7}.page-description>span{color:var(--muted);font-size:13px;display:block}.overview-stats{border-bottom:1px solid var(--line);align-items:center;gap:29px;margin-bottom:26px;padding:0 0 23px;display:flex}.overview-stats>div{color:var(--muted);align-items:center;gap:7px;font-size:13px;display:flex}.overview-stats svg{color:var(--muted);width:15px}.overview-stats strong{color:var(--ink);margin-left:2px;font-size:14px;font-weight:600}.overview-stats .stats-storage{margin-left:auto;font-size:12px}.continue-card{background:var(--paper);border:1px solid var(--line-strong);border-radius:8px;align-items:center;gap:18px;padding:22px;display:flex}.continue-icon{background:var(--accent-soft);width:48px;height:48px;color:var(--accent);border-radius:8px;flex-shrink:0;place-items:center;display:grid}.continue-icon svg{width:18px;margin-left:2px}.continue-content{flex:1;min-width:0}.continue-content .eyebrow{letter-spacing:0;color:var(--muted);margin-bottom:6px;font-size:12px}.continue-content h2{color:var(--ink);overflow-wrap:anywhere;margin:0 0 8px;font-size:18px;font-weight:600;line-height:1.45}.continue-content .lesson-meta{color:var(--muted);font-size:12px}.continue-card>.button{min-height:37px;padding:9px 15px;font-size:13px}.lesson-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:13px;font-size:12px;font-weight:400;display:flex}.lesson-meta>span{align-items:center;gap:5px;display:flex}.lesson-meta svg{color:currentColor;opacity:.8;width:12px;height:12px}.course-section-heading{justify-content:space-between;align-items:center;gap:16px;margin-top:35px;display:flex}.course-section-heading .eyebrow{color:var(--muted);margin-bottom:6px;font-size:12px}.course-section-heading h2{letter-spacing:-.55px;color:var(--ink);margin:0;font-size:21px;font-weight:600}.course-section-heading h2>span{background:var(--surface-muted);vertical-align:middle;color:var(--ink);border-radius:5px;margin-left:7px;padding:3px 6px;font-size:12px;display:inline-block}.progress-caption{text-align:right;min-width:126px}.progress-caption>span{color:var(--muted);font-size:12px}.progress-caption .progress-track{height:3px;margin-top:8px}.filter-tabs{gap:22px;display:flex}.filter-tabs button{color:var(--muted);white-space:nowrap;background:0 0;border-bottom:2px solid #0000;padding:14px 0 12px;font-size:13px}.filter-tabs button:hover{color:var(--purple)}.filter-tabs button.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.filter-tabs button>span{background:var(--surface-muted);border-radius:4px;margin-left:5px;padding:1px 4px;font-size:12px}.overview>.filter-tabs{border-bottom:1px solid var(--line);margin-top:17px}.lesson-list{background:var(--paper);border:1px solid var(--line);border-top:0;border-radius:0 0 9px 9px;overflow:hidden}.lesson-row{background:var(--paper);text-align:left;border-bottom:1px solid var(--line);align-items:center;gap:18px;width:100%;min-height:79px;padding:18px 20px;transition:background .15s;display:flex}.lesson-row:last-child{border-bottom:0}.lesson-row:hover{background:var(--surface-hover)}.lesson-row:hover .row-chevron{color:var(--accent);transform:translate(2px)}.lesson-number{width:28px;height:28px;color:var(--muted);background:var(--surface-muted);font-variant-numeric:tabular-nums;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;display:flex}.lesson-number.finished{background:var(--success-soft);color:var(--success)}.lesson-row-content{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.lesson-row-content>strong{color:var(--ink);overflow-wrap:anywhere;font-size:15px;font-weight:550;line-height:1.5}.row-download-state{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;margin-left:16px;font-size:12px;display:flex}.status-dot{background:var(--warning);border-radius:50%;flex-shrink:0;width:4px;height:4px;display:inline-block}.status-dot.is-complete{background:var(--success)}.status-dot.is-error{background:var(--danger)}.row-chevron{color:var(--muted);transition:transform .15s}.empty-filter{text-align:center;min-height:230px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:30px;display:flex}.empty-filter p{color:var(--muted);margin:5px 0 0;font-size:14px}.empty-filter span{font-size:14px;line-height:1.7}.page-footnote{color:var(--muted);justify-content:center;align-items:center;gap:7px;padding:27px 0 4px;font-size:12px;display:flex}.state-panel{text-align:center;min-height:400px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:50px 20px;display:flex}.state-panel p{max-width:390px;margin:0;font-size:14px;line-height:1.8}.state-panel h2{color:var(--ink);margin:4px 0;font-size:21px;font-weight:500}.state-panel .button{margin-top:10px}.spin{animation:1s linear infinite rotate}@keyframes rotate{to{transform:rotate(360deg)}}.page-enter{animation:.22s ease-out enter}@keyframes enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.back-link{color:var(--muted);background:0 0;align-items:center;gap:7px;margin-bottom:25px;padding:0;font-size:12px;display:flex}.back-link:hover{color:var(--purple)}.lesson-heading{margin-bottom:26px}.lesson-heading .eyebrow{color:var(--muted);font-size:12px}.eyebrow-divider{color:var(--muted);margin:0 7px}.lesson-heading h1{letter-spacing:-.8px;max-width:880px;color:var(--ink);overflow-wrap:anywhere;margin:10px 0 12px;font-size:clamp(25px,2.5vw,34px);font-weight:570;line-height:1.35}.lesson-heading .page-description{margin:12px 0}.lesson-heading-bottom{justify-content:space-between;align-items:center;gap:15px;padding-top:12px;display:flex}.lesson-state{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:flex}.completion-button{background:var(--paper);border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:8px 10px;font-size:12px;display:flex}.completion-button:hover{border-color:var(--line-strong);color:var(--accent)}.completion-button.is-complete{color:var(--success);background:var(--success-soft);border-color:var(--line-strong)}.empty-checkbox{border:1px solid var(--line);border-radius:3px;width:13px;height:13px;display:inline-block}.video-block{border:1px solid var(--line);background:var(--paper);border-radius:10px;margin-bottom:20px;scroll-margin-top:88px;overflow:hidden}.video-screen{aspect-ratio:16/9;background:#111712;justify-content:center;align-items:center;display:flex}.video-screen video{width:100%;height:100%;max-height:72vh;display:block}.video-unavailable{text-align:center;color:#dce5dc;flex-direction:column;justify-content:center;align-items:center;gap:17px;max-width:370px;padding:24px;display:flex}.video-unavailable strong{color:#dce5dc;font-size:14px;font-weight:500}.video-unavailable span{color:#dce5dc;font-size:13px;line-height:1.8}.video-caption{justify-content:space-between;align-items:center;gap:13px;min-height:49px;padding:13px 16px;display:flex}.video-caption>span{min-width:0;color:var(--muted);align-items:center;gap:7px;display:flex}.video-caption strong{color:var(--ink);overflow-wrap:anywhere;font-size:12px;font-weight:500}.video-caption-end{white-space:nowrap;flex-shrink:0;font-size:12px}.subtitle-download{color:var(--accent);border:1px solid var(--line);border-radius:4px;align-items:center;gap:4px;padding:3px 5px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex}.subtitle-download:hover{background:var(--surface-hover)}.saved-label{color:var(--success);align-items:center;gap:5px;font-size:12px;display:flex}.lesson-text-section,.attachments-section,.audio-section{margin-top:29px}.section-label{color:var(--muted);align-items:center;gap:8px;margin-bottom:15px;display:flex}.section-label h2{color:var(--ink);margin:0;font-size:14px;font-weight:550}.section-label>span{background:var(--surface-muted);color:var(--muted);border-radius:4px;margin-left:2px;padding:2px 5px;font-size:12px}.lesson-prose{color:var(--ink);background:var(--paper);border:1px solid var(--line);overflow-wrap:anywhere;border-radius:9px;padding:27px 30px;font-size:16px;line-height:1.85;overflow-x:auto}.lesson-prose>:first-child{margin-top:0}.lesson-prose>:last-child{margin-bottom:0}.lesson-prose p{margin:0 0 15px}.lesson-prose h1,.lesson-prose h2,.lesson-prose h3,.lesson-prose h4{color:var(--ink);margin:26px 0 13px;font-weight:600;line-height:1.5}.lesson-prose h1{font-size:24px}.lesson-prose h2{font-size:20px}.lesson-prose h3{font-size:17px}.lesson-prose h4{font-size:15px}.lesson-prose strong,.lesson-prose b{color:var(--ink);font-weight:600}.lesson-prose a{color:var(--accent);-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);text-underline-offset:3px}.lesson-prose a:hover{text-decoration-color:currentColor}.lesson-prose ul,.lesson-prose ol{padding-left:24px}.lesson-prose li{margin:6px 0;padding-left:4px}.lesson-prose li::marker{color:var(--ink)}.lesson-prose img{border-radius:6px;max-width:100%;height:auto;margin:17px 0;display:block}.lesson-prose figure{margin:20px 0}.lesson-prose figcaption{color:var(--ink);font-size:13px}.lesson-prose blockquote{border-left:3px solid var(--line);background:var(--surface-muted);border-radius:0 6px 6px 0;margin:20px 0;padding:15px 20px}.lesson-prose blockquote>:last-child{margin-bottom:0}.lesson-prose pre{white-space:pre-wrap;background:var(--surface-muted);color:var(--ink);border-radius:6px;padding:15px;font-size:13px}.lesson-prose code{background:var(--surface-muted);border-radius:3px;padding:2px 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.lesson-prose pre code{background:0 0;padding:0}.lesson-prose hr{border:0;border-top:1px solid var(--line);margin:26px 0}.lesson-prose table{border-collapse:collapse;width:100%;font-size:14px}.lesson-prose th,.lesson-prose td{border:1px solid var(--line);text-align:left;padding:10px 13px}.lesson-prose th{background:var(--surface-muted);font-weight:550}.attachments{border:1px solid var(--line);background:var(--paper);border-radius:8px;overflow:hidden}.attachment{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:15px 18px;display:flex}.attachment:last-child{border-bottom:0}.attachment-info{flex:1;min-width:0}.attachment-info strong{color:var(--ink);overflow-wrap:anywhere;font-size:13px;font-weight:500;line-height:1.65;display:block}.attachment-info>span{color:var(--muted);margin-top:4px;font-size:12px;display:block}.file-icon{background:var(--accent-soft);width:37px;height:42px;color:var(--accent);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.attachment.unavailable .file-icon{background:var(--accent-soft);color:var(--accent)}.attachment-download{color:var(--muted)}.audio-card{border:1px solid var(--line);background:var(--paper);border-radius:9px;margin:12px 0;padding:22px}.audio-card>div{color:var(--muted);align-items:center;gap:10px;margin-bottom:15px;display:flex}.audio-card strong{color:var(--ink);font-size:14px;font-weight:500}.audio-card audio{width:100%;height:40px}.lesson-footer{color:var(--muted);justify-content:space-between;align-items:center;gap:14px;margin:28px 0;font-size:12px;display:flex}.lesson-footer>span,.lesson-footer>a{align-items:center;gap:6px;display:flex}.lesson-footer a{color:var(--accent);text-decoration:none}.lesson-footer a:hover{color:var(--accent)}.lesson-pagination{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;padding-top:25px;display:grid}.lesson-pagination button{text-align:left;background:var(--paper);border:1px solid var(--line);width:100%;color:var(--muted);border-radius:8px;align-items:center;gap:14px;height:100%;min-height:81px;padding:17px;display:flex}.lesson-pagination button:hover{background:var(--surface-hover)}.lesson-pagination .next-lesson{text-align:right;justify-content:flex-end}.lesson-pagination button span{min-width:0}.lesson-pagination small{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}.lesson-pagination strong{color:var(--ink);overflow-wrap:anywhere;font-size:13px;font-weight:500;line-height:1.6;display:block}.search-dialog{border:1px solid var(--line);width:min(630px,100vw - 32px);max-height:76vh;box-shadow:var(--shadow);color:var(--ink);border-radius:12px;margin:13vh auto auto;padding:0;overflow:hidden}.search-surface{background:var(--paper);flex-direction:column;max-height:76vh;display:flex}.search-field{border-bottom:1px solid var(--line);color:var(--muted);flex-shrink:0;align-items:center;gap:12px;padding:17px 19px;display:flex}.search-field input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;min-width:0;font-size:16px}.search-field input::placeholder{color:var(--muted)}.search-content{min-height:140px;padding:17px 13px;overflow-y:auto}.search-content>.eyebrow{color:var(--muted);padding:0 10px 10px;font-size:12px}.search-result{text-align:left;width:100%;color:var(--muted);background:0 0;border-radius:7px;align-items:center;gap:13px;padding:13px 11px;display:flex}.search-result:hover{background:var(--surface-hover)}.search-result>span{flex:1;min-width:0}.search-result strong{color:var(--ink);overflow-wrap:anywhere;font-size:15px;font-weight:500;line-height:1.6;display:block}.search-result small{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-top:5px;font-size:13px;line-height:1.75;display:-webkit-box;overflow:hidden}.search-result .result-lesson{color:var(--muted);font-size:12px}.search-content .state-panel{min-height:200px}.search-empty{text-align:center;color:var(--muted);padding:35px 20px;font-size:14px;line-height:1.8}.search-empty p{color:var(--muted);font-size:14px}.search-empty small{font-size:13px}.search-footer{border-top:1px solid var(--line);background:var(--surface-muted);color:var(--muted);align-items:center;gap:6px;padding:12px 19px;font-size:12px;display:flex}.search-footer>span:first-of-type{flex:1}.semantic-controls{background:var(--surface-muted);border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;gap:13px;padding:11px 19px;display:flex}.semantic-controls>span{color:var(--muted);font-size:12px;line-height:1.65}.semantic-button{background:var(--accent-soft);border:1px solid var(--line);color:var(--accent);white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:7px 9px;font-size:12px;display:flex}.semantic-button:hover:not(:disabled){background:var(--surface-hover)}.semantic-button:disabled{opacity:.5;cursor:default}.semantic-notice{color:var(--warning);background:var(--warning-soft);border-bottom:1px solid var(--line);flex-shrink:0;margin:0;padding:10px 19px;font-size:12px;line-height:1.7}.search-result-heading{align-items:flex-start;gap:9px;display:flex}.search-result-heading>strong{flex:1}.match-label{white-space:nowrap;color:var(--muted);background:var(--surface-muted);border-radius:3px;margin-top:3px;padding:1px 4px;font-size:12px;font-weight:400;line-height:1.8}.match-label.semantic{color:var(--muted);background:var(--surface-muted)}.search-timestamp{color:var(--accent);font-variant-numeric:tabular-nums;align-items:center;gap:5px;margin-top:8px;font-size:12px;display:flex}.search-timestamp>span{color:var(--accent);margin-left:3px;font-size:12px}.toast{z-index:100;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);width:max-content;max-width:min(550px,100vw - 30px);color:var(--muted);border-radius:9px;align-items:center;gap:10px;padding:12px 15px;font-size:13px;display:flex;position:fixed;bottom:25px;left:calc(50% + 136px);transform:translate(-50%)}.toast>svg{flex-shrink:0}.toast>span{line-height:1.7}.mobile-menu,.mobile-close,.sidebar-overlay{display:none}.materials-summary{color:var(--muted);border-bottom:1px solid var(--line);align-items:center;gap:26px;padding:0 0 23px;font-size:12px;display:flex}.materials-summary>span{align-items:center;gap:7px;display:flex}.materials-summary svg{color:var(--muted)}.materials-controls{padding-top:25px}.materials-search{border:1px solid var(--line);background:var(--paper);color:var(--muted);border-radius:7px;align-items:center;gap:10px;width:100%;max-width:440px;padding:11px 14px;display:flex}.materials-search:focus-within{border-color:var(--focus);outline:2px solid var(--focus)}.materials-search input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:0;font-size:13px}.materials-search input::placeholder{color:var(--muted)}.materials-controls .filter-tabs{margin-top:15px}.materials-table-heading{color:var(--muted);letter-spacing:0;background:var(--surface-muted);border:1px solid var(--line);border-bottom:0;border-radius:8px 8px 0 0;grid-template-columns:minmax(0,1fr) 113px 70px 78px;gap:10px;margin-top:8px;padding:14px 17px 11px;font-size:12px;font-weight:600;display:grid}.material-list{background:var(--paper);border:1px solid var(--line);border-radius:0 0 8px 8px;overflow:hidden}.material-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) 113px 70px 78px;align-items:center;gap:10px;padding:16px 17px;display:grid}.material-row:last-child{border-bottom:0}.material-row:hover{background:var(--surface-hover)}.material-row-main{text-align:left;background:0 0;align-items:center;gap:14px;min-width:0;padding:0;display:flex}.material-row-main>span:last-child{min-width:0}.material-row-main strong{color:var(--ink);overflow-wrap:anywhere;font-size:13px;font-weight:500;line-height:1.7;display:block}.material-row-main small{-webkit-line-clamp:1;color:var(--muted);-webkit-box-orient:vertical;margin-top:5px;font-size:12px;line-height:1.6;display:-webkit-box;overflow:hidden}.material-status{color:var(--muted);flex-wrap:wrap;align-items:center;gap:5px;font-size:12px;display:flex}.material-status>span:first-child{background:var(--warning);border-radius:50%;width:4px;height:4px}.material-status.saved{color:var(--success)}.material-status.saved>span:first-child{background:var(--success)}.material-status.has-error{color:var(--danger)}.material-status.has-error>span:first-child{background:var(--danger)}.text-available{color:var(--accent);margin-left:3px;display:inline-flex}.material-size{color:var(--muted);white-space:nowrap;font-size:12px}.material-row-actions{justify-content:flex-end;gap:4px;display:flex}.placeholder-icon{visibility:hidden}.file-image,.file-audio{background:var(--surface-muted);color:var(--muted)}.material-dialog{border:1px solid var(--line);width:min(840px,100vw - 32px);max-height:90vh;box-shadow:var(--shadow);border-radius:11px;padding:0;overflow:hidden}.material-preview{background:var(--paper);flex-direction:column;height:min(780px,88vh);display:flex}.material-preview>header{flex-shrink:0;align-items:center;gap:15px;padding:25px 28px 19px;display:flex}.material-preview>header>div:nth-child(2){flex:1;min-width:0}.material-preview header .eyebrow{color:var(--muted);text-transform:uppercase;font-size:12px}.material-preview header h2{color:var(--ink);overflow-wrap:anywhere;max-height:110px;margin:5px 0 0;font-size:17px;font-weight:550;line-height:1.5;overflow-y:auto}.material-lesson-link{text-align:left;width:calc(100% - 56px);color:var(--muted);background:var(--surface-muted);border-radius:6px;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;margin:0 28px 15px;padding:10px 13px;font-size:12px;line-height:1.6;display:flex}.material-lesson-link:hover{background:var(--surface-hover)}.material-lesson-link>span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.preview-toolbar{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 28px;display:flex}.preview-toolbar>div:last-child{display:flex}.material-preview-body{overscroll-behavior:contain;min-height:0;color:var(--muted);background:var(--paper);flex:1;padding:25px 28px;overflow-y:auto}.extracted-text{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;font-size:15px;line-height:1.8}.preview-empty{text-align:center;max-width:390px;min-height:300px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:14px;margin:0 auto;padding:20px;display:flex}.preview-empty h3{color:var(--ink);margin:0;font-size:17px;font-weight:500;line-height:1.6}.preview-empty p{margin:0 0 5px;font-size:14px;line-height:1.8}.material-preview footer{color:var(--muted);border-top:1px solid var(--line);flex-shrink:0;align-items:center;gap:7px;padding:14px 28px;font-size:12px;display:flex}.sidebar-account{border-top:1px solid var(--line);align-items:center;gap:6px;margin-top:16px;padding-top:13px;display:flex}.account-trigger{text-align:left;min-width:0;color:var(--muted);background:0 0;flex:1;align-items:center;gap:9px;padding:0;display:flex}.account-trigger>span:nth-child(2){text-overflow:ellipsis;min-width:0;color:var(--muted);flex:1;font-size:13px;overflow:hidden}.account-trigger:hover>span:nth-child(2){color:var(--purple)}.user-avatar{background:var(--surface-muted);width:31px;height:31px;color:var(--muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:inline-flex}.auth-page{background:var(--canvas);flex-direction:column;min-height:100vh;display:flex}.auth-topbar{justify-content:space-between;align-items:center;padding:29px 39px;display:flex}.auth-brand{align-items:center;gap:10px;display:flex}.auth-brand>svg{color:var(--muted);width:29px;height:29px}.auth-brand>span{letter-spacing:-1.6px;font-size:33px;font-weight:720;line-height:1}.auth-brand>span>span{color:var(--muted)}.auth-topbar>span{color:var(--muted);align-items:center;gap:7px;font-size:13px;display:flex}.auth-main{flex:1;justify-content:center;align-items:center;padding:25px 20px 45px;display:flex}.auth-card{background:var(--paper);border:1px solid var(--line);width:100%;max-width:440px;box-shadow:none;border-radius:10px;padding:32px 36px 0}.auth-lock{width:49px;height:49px;color:var(--muted);background:var(--surface-muted);border-radius:13px;justify-content:center;align-items:center;margin-bottom:23px;display:flex}.auth-card>.eyebrow{color:var(--muted);letter-spacing:0;font-size:12px}.auth-card h1{letter-spacing:-.8px;color:var(--ink);margin:10px 0 12px;font-size:30px;font-weight:600;line-height:1.3}.auth-card h1>span{color:var(--ink)}.auth-description{color:var(--muted);margin:0 0 26px;font-size:15px;line-height:1.8}.auth-field{margin-bottom:19px}.auth-field>label{color:var(--ink);margin-bottom:8px;font-size:14px;font-weight:500;display:block}.auth-field>input,.password-input{border:1px solid var(--line-strong);background:var(--paper);border-radius:7px;width:100%;height:44px}.auth-field>input,.password-input>input{color:var(--ink);padding:10px 12px;font-size:15px}.auth-field>input:focus,.password-input:focus-within{border-color:var(--focus);outline:3px solid var(--focus)}.password-input{align-items:center;padding-right:6px;display:flex}.password-input>input{background:0 0;border:0;outline:none;flex:1;width:100%;min-width:0;height:100%}.password-input>.icon-button{color:var(--muted)}.auth-field>small{color:var(--muted);margin-top:7px;font-size:12px;line-height:1.75;display:block}.auth-submit{width:100%;min-height:44px;margin:7px 0 27px;font-size:14px}.auth-submit>span{flex:1}.auth-card-footer{border-top:1px solid var(--line);color:var(--muted);background:var(--paper);border-radius:0 0 10px 10px;justify-content:center;align-items:center;gap:7px;margin:0 -36px;padding:19px;font-size:12px;display:flex}.auth-error,.auth-notice{border-radius:6px;align-items:flex-start;gap:8px;margin-bottom:16px;padding:10px 12px;font-size:13px;line-height:1.75;display:flex}.auth-error svg,.auth-notice svg{flex-shrink:0;margin-top:2px}.auth-error{background:var(--danger-soft);color:var(--danger);border:1px solid var(--line)}.auth-notice{background:var(--surface-muted);color:var(--muted);border:1px solid var(--line)}.auth-page-footer{color:var(--muted);text-align:center;justify-content:center;align-items:center;gap:7px;padding:24px 20px 27px;font-size:12px;line-height:1.8;display:flex}.auth-page-footer svg{flex-shrink:0}.auth-connection{text-align:center;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:40px 20px;display:flex}.auth-connection h1{color:var(--ink);margin:3px 0;font-size:23px;font-weight:500}.auth-connection p{margin:4px 0 10px;font-size:15px;line-height:1.8}.account-dialog{border:1px solid var(--line);width:min(490px,100vw - 30px);max-height:90vh;box-shadow:var(--shadow);border-radius:13px;padding:0;overflow-y:auto}.account-content{background:var(--paper);padding:28px}.account-content>header{justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:22px;display:flex}.account-content header .eyebrow{color:var(--muted);font-size:12px}.account-content h2{letter-spacing:-.6px;color:var(--ink);margin:6px 0 0;font-size:23px;font-weight:550}.account-identity{background:var(--surface-muted);border:1px solid var(--line);border-radius:8px;align-items:center;gap:12px;margin-bottom:25px;padding:14px;display:flex}.account-identity .user-avatar{background:var(--surface-muted);width:38px;height:38px;font-size:15px}.account-identity strong{color:var(--ink);font-size:15px;font-weight:550;display:block}.account-identity small{color:var(--muted);margin-top:4px;font-size:12px;line-height:1.6;display:block}.account-section-title{color:var(--muted);align-items:center;gap:8px;margin-bottom:10px;display:flex}.account-section-title h3{color:var(--ink);margin:0;font-size:14px;font-weight:550}.account-description{color:var(--muted);margin:0 0 21px;font-size:13px;line-height:1.8}.account-actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}.account-actions .button{min-height:40px;font-size:13px}.material-image-preview{object-fit:contain;max-width:100%;max-height:100%;margin:0 auto;display:block}.pdf-preview{border:0;border-radius:5px;width:100%;height:100%;min-height:100%}.audio-preview{min-height:300px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:30px;display:flex}.audio-preview audio{width:100%;max-width:450px}.transcript{border-top:1px solid var(--line);background:var(--paper)}.transcript summary{cursor:pointer;color:var(--muted);align-items:center;gap:8px;padding:14px 17px;list-style:none;display:flex}.transcript summary::-webkit-details-marker{display:none}.transcript summary strong{color:var(--ink);flex:1;font-size:12px;font-weight:500}.transcript summary>svg:last-child{transition:transform .15s}.transcript[open] summary>svg:last-child{transform:rotate(90deg)}.transcript-body{max-height:520px;padding:0 22px 23px;overflow-y:auto}.transcript-note{color:var(--muted);margin:0 0 19px;font-size:12px;line-height:1.8}.text-status{color:var(--muted);background:var(--surface-muted);white-space:nowrap;border-radius:4px;padding:3px 6px;font-size:12px}.text-status-complete{color:var(--success);background:var(--success-soft)}.text-status-processing,.text-status-partial{color:var(--warning);background:var(--warning-soft)}.text-status-error{color:var(--danger);background:var(--danger-soft)}.vision-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;display:flex}.vision-heading h3{color:var(--ink);margin:0;font-size:14px;font-weight:500}.processing-status{background:var(--surface-muted);border:1px solid var(--line);color:var(--muted);border-radius:7px;align-items:center;gap:10px;margin-bottom:25px;padding:11px 14px;display:flex}.processing-status>svg{flex-shrink:0}.processing-status>div{flex-wrap:wrap;flex:1;align-items:center;gap:7px 20px;min-width:0;display:flex}.processing-status>div>span{color:var(--muted);font-size:12px;line-height:1.8}.processing-status strong{color:var(--ink);padding-left:4px;font-weight:600}.processing-status small,.processing-status>div>.processing-errors{color:var(--muted);font-size:12px}.processing-background{background:var(--surface-muted);color:var(--muted);white-space:nowrap;border-radius:4px;padding:3px 7px;font-size:12px}.resume-button{border:1px solid var(--line);background:var(--surface-muted);color:var(--muted);white-space:nowrap;border-radius:5px;justify-content:center;align-items:center;gap:5px;padding:6px 8px;font-size:12px;display:inline-flex}.resume-button:hover{background:var(--surface-hover)}.sidebar-lesson{color:var(--muted)}.lesson-row-content>strong,.material-row-main strong{color:var(--ink)}.lesson-meta{color:var(--accent)}.row-download-state,.page-description,.page-description>span{color:var(--muted)}.breadcrumbs,.search-trigger{font-size:14px}.processing-background,.resume-button{font-size:12px}.material-row-main strong,.attachment-info strong{font-size:14px}.material-status,.material-size{font-size:13px}@media (width>=1550px){.main-content{padding-top:50px}}@media (width<=1180px){.sidebar{width:245px}.workspace{margin-left:245px}.main-content{padding:35px 30px 26px}.topbar{padding:0 28px}.topbar-actions{gap:15px}.local-badge,.row-download-state>span:last-child{display:none}.row-download-state{margin-left:2px}.toast{left:calc(50% + 122px)}.overview-stats{gap:20px}.materials-table-heading,.material-row{grid-template-columns:minmax(0,1fr) 82px 56px 66px}.text-available{display:none}}@media (width<=920px){.sidebar{width:226px}.workspace{margin-left:226px}.main-content{padding:30px 23px 24px}.topbar{padding:0 22px}.sidebar-brand{padding-left:24px}.sidebar-intro{padding-left:13px;padding-right:13px}.sidebar-lessons{padding-left:9px;padding-right:9px}.sidebar-lessons-heading{padding-left:25px;padding-right:25px}.breadcrumbs>span:first-child,.breadcrumbs>svg{display:none}.breadcrumbs>span:last-child{display:block}.search-trigger kbd{display:none}.overview-stats{flex-wrap:wrap;gap:20px}.overview-stats .stats-storage{margin-left:0}.continue-card{flex-wrap:wrap;gap:13px;padding:20px}.continue-icon{width:39px;height:39px}.continue-content{flex:calc(100% - 60px)}.continue-card>.button{margin-left:52px}.lesson-row{gap:13px;padding:16px}.lesson-heading-bottom{flex-direction:column;align-items:flex-start}.lesson-prose{padding:22px}.video-caption{flex-direction:column;align-items:flex-start;gap:8px}.video-caption-end{margin-left:21px}.materials-summary{flex-wrap:wrap;gap:15px}.materials-table-heading,.material-row{grid-template-columns:minmax(0,1fr) 77px 38px}.materials-table-heading>span:nth-child(3),.material-size,.material-row-actions>a,.material-row-actions>.placeholder-icon{display:none}.material-row-main{gap:10px}.material-row{gap:7px;padding:15px 12px}.file-icon{width:32px;height:38px}}@media (width<=740px){.sidebar{visibility:hidden;width:285px;box-shadow:none;transition:transform .2s,visibility .2s;transform:translate(-100%)}.sidebar.mobile-open{visibility:visible;transform:translate(0)}.sidebar-overlay{z-index:25;background:var(--overlay);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:block;position:fixed;inset:0}.mobile-menu,.mobile-close{display:inline-flex}.workspace{margin-left:0}.topbar{gap:12px;min-height:60px;padding:0 16px}.breadcrumbs{flex:1}.breadcrumbs>span:last-child{max-width:100%;font-size:13px}.topbar-actions{flex-shrink:0}.search-trigger{padding:7px}.search-trigger>span{display:none}.main-content{padding:29px 20px 22px}.page-heading{margin-bottom:20px}.page-heading h1{font-size:33px}.page-heading .page-description{font-size:13px}.page-heading .page-description>span{font-size:12px}.overview-stats{gap:21px;margin-bottom:21px;padding-bottom:20px}.overview-stats .stats-storage{margin-left:auto}.course-section-heading{margin-top:28px}.course-section-heading h2{font-size:18px}.progress-caption{min-width:103px}.progress-caption>span{font-size:12px}.lesson-row{min-height:80px;padding:15px 13px}.lesson-row-content>strong{font-size:13px}.lesson-number{width:25px;height:25px;font-size:12px}.lesson-meta{gap:11px;font-size:12px}.row-download-state{display:none}.continue-card{gap:14px}.continue-content{flex:1}.continue-card>.button{margin-left:0}.continue-content h2{font-size:15px}.continue-content .lesson-meta{font-size:12px}.continue-icon{width:36px;height:36px}.lesson-pagination{gap:12px}.lesson-pagination button{gap:7px;padding:14px 12px}.lesson-pagination strong,.lesson-pagination small{font-size:12px}.lesson-heading h1{font-size:27px}.lesson-prose{padding:23px 21px;font-size:14px}.lesson-heading-bottom{flex-direction:row;align-items:center}.lesson-state{font-size:12px;line-height:1.6}.completion-button{font-size:12px}.video-unavailable{gap:12px}.video-unavailable strong{font-size:14px}.video-unavailable span{font-size:12px}.video-unavailable>svg{width:26px;height:26px}.toast{bottom:15px;left:50%}.materials-table-heading,.material-row{grid-template-columns:minmax(0,1fr) 92px 40px}.material-row{padding:15px 13px}.material-status{font-size:12px}.material-preview>header{gap:10px;padding:20px}.material-preview header h2{font-size:15px}.material-lesson-link{width:calc(100% - 40px);margin-left:20px;margin-right:20px}.preview-toolbar{padding:0 20px}.material-preview-body{padding:20px}.material-preview footer{padding:13px 20px;font-size:12px}}@media (width<=480px){.auth-topbar{padding:23px}.auth-topbar>span{font-size:12px}.auth-topbar>span svg{display:none}.auth-main{padding:22px 16px 30px}.auth-card{border-radius:12px;padding:28px 26px 0}.auth-card h1{font-size:27px}.auth-description{font-size:14px}.auth-card-footer{margin-left:-26px;margin-right:-26px;padding:17px 12px;font-size:12px}.auth-page-footer{padding:18px;font-size:12px}.account-content{padding:23px}.account-content h2{font-size:22px}.account-actions .button{font-size:12px}.main-content{padding:26px 15px 20px}.overview-stats{gap:12px 18px}.overview-stats>div{font-size:12px}.overview-stats .stats-storage{width:100%;margin-left:0;font-size:12px}.continue-card{padding:18px 16px}.continue-content{flex:calc(100% - 50px)}.continue-card>.button{min-height:35px;margin-left:50px}.course-section-heading{align-items:flex-end}.course-section-heading h2{letter-spacing:-.3px;font-size:16px}.course-section-heading h2>span{margin-left:4px;font-size:12px}.progress-caption{min-width:91px}.lesson-row{gap:10px}.row-chevron{width:14px}.page-footnote{text-align:center;font-size:12px;line-height:1.6}.lesson-heading h1{font-size:24px}.lesson-heading-bottom{flex-direction:column;align-items:flex-start;gap:13px}.lesson-prose{padding:20px 17px}.video-screen{min-height:180px}.video-caption{padding:12px}.video-caption strong{font-size:12px}.attachment{gap:9px;padding:13px 12px}.attachment-info strong,.attachment-info>span{font-size:12px}.attachment .icon-button{width:25px}.lesson-pagination{grid-template-columns:1fr;gap:9px}.lesson-pagination>div:empty{display:none}.lesson-pagination button{min-height:64px}.search-dialog{margin-top:8vh}.search-field{gap:8px;padding:13px}.search-field input{font-size:16px}.search-footer{gap:5px;padding:12px 13px;font-size:12px}.search-footer>kbd,.search-footer>span:last-child{display:none}.search-result{gap:10px;padding:12px 9px}.search-result strong{font-size:13px}.search-result small{font-size:12px}.materials-controls .filter-tabs{gap:17px;overflow-x:auto}.materials-controls .filter-tabs button{font-size:12px}.materials-summary{gap:12px;font-size:12px}.materials-table-heading,.material-row{grid-template-columns:minmax(0,1fr) 34px}.materials-table-heading>span:nth-child(2),.material-row>.material-status{display:none}.material-row-main strong,.material-row-main small{font-size:12px}.material-row-main .file-icon{width:29px;height:35px}.material-dialog{width:calc(100vw - 20px);max-height:94vh}.material-preview{height:90vh}.material-preview>header{padding:19px 15px}.material-preview>header>.file-icon{display:none}.material-preview header h2{font-size:14px}.material-lesson-link{width:calc(100% - 30px);margin-left:15px;margin-right:15px;font-size:12px}.preview-toolbar{padding:0 15px}.preview-toolbar .filter-tabs{gap:16px}.preview-toolbar .filter-tabs button{font-size:12px}.preview-toolbar .icon-button{width:27px}.material-preview-body{padding:18px 15px}.extracted-text{font-size:13px}.preview-empty{padding:10px}.preview-empty h3{font-size:15px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.courses-page{background:var(--canvas);flex-direction:column;min-height:100vh;display:flex}.courses-topbar{border-bottom:1px solid var(--line);background:var(--paper);justify-content:space-between;align-items:center;gap:20px;height:auto;min-height:80px;padding:18px 4%;display:flex}.courses-brand{color:var(--ink);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.courses-brand>svg{width:29px;height:29px;color:var(--purple)}.courses-brand>span{letter-spacing:-1.6px;font-size:34px;font-weight:750;line-height:1}.courses-brand>span>span{color:var(--purple)}.courses-account{align-items:center;gap:12px;display:flex}.courses-account .account-trigger{border-radius:8px;gap:10px;width:auto;padding:7px 9px}.courses-account .account-trigger>span:nth-child(2){flex:initial;font-size:14px}.courses-account .account-trigger>svg{margin-left:12px}.courses-main{flex:1;width:min(1160px,100%);margin:0 auto;padding:63px 44px 72px}.courses-heading .eyebrow{color:var(--muted);letter-spacing:0;font-size:12px}.courses-heading h1{letter-spacing:-1.2px;margin:0 0 12px;font-size:clamp(30px,4vw,40px);font-weight:650;line-height:1.2}.courses-heading h1>span{color:var(--purple)}.courses-heading>p:last-child{color:var(--muted);margin:0;font-size:15px;line-height:1.85}.global-search-shell{z-index:5;width:min(100%,760px);margin-top:32px;position:relative}.global-search-input{border:1px solid var(--line-strong);background:var(--paper);box-shadow:none;border-radius:8px;transition:border-color .15s,box-shadow .15s}.global-search-shell:focus-within .global-search-input{border-color:var(--focus);box-shadow:none}.global-search-input .search-field{height:58px;color:var(--muted);border:0;padding:15px 20px}.global-search-input .search-field input{color:var(--ink);font-size:16px}.global-search-input .search-field input::placeholder{color:var(--muted)}.search-popover{background:var(--paper);border:1px solid var(--line);width:100%;box-shadow:var(--shadow);border-radius:11px;flex-direction:column;max-height:min(65vh,620px);display:flex;position:absolute;top:calc(100% + 8px);overflow:hidden}.search-popover .search-content{max-height:min(46vh,450px)}.search-start-hint{color:var(--muted);max-width:530px;padding:0 10px;font-size:14px;line-height:1.8}.semantic-toggle{color:var(--muted);cursor:pointer;align-items:center;gap:7px;font-size:13px;line-height:1.6;display:inline-flex;position:relative}.semantic-toggle>input{opacity:0;width:16px;height:16px;margin:0;position:absolute;left:0}.semantic-checkbox{border:1px solid var(--line-strong);background:var(--paper);width:15px;height:15px;color:var(--on-accent);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.semantic-toggle>input:checked+.semantic-checkbox{background:var(--accent);border-color:var(--accent)}.semantic-toggle>input:focus-visible+.semantic-checkbox{outline:2px solid var(--focus);outline-offset:3px}.semantic-toggle:has(input:disabled){opacity:.6;cursor:wait}.semantic-live{white-space:nowrap;align-items:center;gap:5px;display:flex}.result-match-row{flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px;display:flex}.exact-match-badge,.semantic-match-badge{border-radius:5px;align-items:center;gap:4px;max-width:100%;padding:3px 7px;display:inline-flex}.exact-match-badge{background:var(--accent-soft);border:1px solid var(--line)}.search-result .exact-match-badge strong{color:var(--accent);font-size:12px;font-weight:750;line-height:1.6}.semantic-match-badge{background:var(--warning-soft);border:1px solid var(--line);color:var(--warning)}.search-result .semantic-match-badge strong{color:var(--warning);font-size:12px;font-weight:700;line-height:1.6}.search-result .result-course{letter-spacing:0;color:var(--muted);margin-bottom:5px;font-size:12px;font-weight:600}.search-result .search-evidence{-webkit-line-clamp:3;color:var(--muted);margin-top:8px}.search-evidence mark{background:var(--accent-soft);color:var(--accent);border-radius:2px;padding:0 1px;font-weight:650}.course-picker-section{justify-content:space-between;align-items:center;gap:15px;margin:49px 0 20px;display:flex}.course-picker-section h2{letter-spacing:-.4px;margin:0;font-size:17px;font-weight:600}.course-picker-section h2>span{color:var(--ink);background:var(--surface-muted);vertical-align:middle;border-radius:5px;margin-left:9px;padding:2px 6px;font-size:12px}.course-picker-section>span{color:var(--muted);align-items:center;gap:5px;font-size:12px;display:flex}.courses-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.course-card{text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:8px;flex-direction:column;padding:0;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.course-card:hover{border-color:var(--line-strong);box-shadow:0 0 0 1px var(--line-strong);transform:none}.course-cover{background:var(--surface-muted);height:100px;color:var(--ink);border-bottom:1px solid var(--line);flex-direction:row;justify-content:space-between;align-items:center;padding:22px;display:flex;position:relative;overflow:hidden}.course-cover.has-cover{background-position:50%;background-size:cover}.course-cover.has-cover:before{content:"";background:linear-gradient(#00000008,#00000080);position:absolute;inset:0}.course-monogram{letter-spacing:-1.6px;z-index:1;font-size:30px;font-weight:680;position:relative}.course-logo{object-fit:contain;z-index:1;background:#fff;border-radius:6px;width:56px;height:56px;padding:5px;position:relative}.course-cover-label{letter-spacing:0;text-transform:none;z-index:1;font-size:12px;font-weight:500;position:relative}.has-cover .course-cover-label{color:#fff}.course-card-body{flex-direction:column;flex:1;padding:24px 24px 0;display:flex}.course-card-body>.eyebrow{color:var(--muted);margin-bottom:7px;font-size:12px}.course-card-body h3{letter-spacing:-.35px;color:var(--ink);margin:0;font-size:22px;font-weight:600;line-height:1.35}.course-card-description{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:10px 0 0;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.course-card-stats{color:var(--muted);flex-wrap:wrap;gap:13px;margin:19px 0 23px;font-size:13px;display:flex}.course-card-stats>span{align-items:center;gap:5px;display:flex}.course-dates{color:var(--muted);align-items:center;gap:6px;margin:-6px 0 20px;font-size:12px;line-height:1.6;display:flex}.course-card-progress{margin-top:auto}.course-card-progress>div:first-child{color:var(--muted);justify-content:space-between;margin-bottom:8px;font-size:12px;display:flex}.course-card-progress strong{color:var(--ink);font-weight:600}.course-card-progress .progress-track{height:4px}.course-open{border-top:1px solid var(--line);min-height:53px;color:var(--accent);justify-content:space-between;align-items:center;margin-top:21px;font-size:14px;font-weight:600;display:flex}.courses-footer{min-height:66px;color:var(--muted);border-top:1px solid var(--line);text-align:center;justify-content:center;align-items:center;gap:7px;padding:15px 24px;font-size:12px;display:flex}.sidebar-course-back{color:var(--muted);background:0 0;align-items:center;gap:8px;padding:0 12px 19px;font-size:12px;display:flex}.sidebar-course-back:hover{color:var(--purple)}@media (width<=1050px){.courses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=740px){.courses-topbar{padding:16px 25px}.courses-main{padding:39px 25px 49px}.courses-heading h1{font-size:35px}.courses-heading>p:last-child{font-size:14px}.courses-grid{gap:17px}.course-card-body{padding-left:18px;padding-right:18px}.course-card-body h3{font-size:16px}.course-card-stats{gap:9px;font-size:12px}.course-card-stats svg{width:12px;height:12px}.global-search-shell{margin-top:25px}.course-picker-section{margin-top:35px}.semantic-controls{flex-wrap:wrap;gap:5px;padding:10px 14px}.semantic-live{margin-left:22px}}@media (width<=480px){.courses-topbar{padding:14px 20px}.courses-brand>span{font-size:30px}.courses-brand>svg{width:26px;height:26px}.courses-account{gap:3px}.courses-account .account-trigger>svg{display:none}.courses-account .account-trigger>span:nth-child(2){font-size:13px}.courses-main{padding:32px 20px 40px}.courses-heading .eyebrow{font-size:12px}.courses-heading h1{margin-top:11px;font-size:33px}.mobile-break{display:block}.global-search-input .search-field{height:58px;padding:12px 14px}.global-search-input .search-field input{font-size:16px}.global-search-input .search-field>svg{width:18px;height:18px}.search-popover{max-height:64vh}.search-popover .search-content{max-height:42vh;padding:12px 8px}.semantic-toggle{gap:6px;font-size:12px}.semantic-controls>span,.search-result .exact-match-badge strong,.search-result .semantic-match-badge strong{font-size:12px}.course-picker-section{margin-top:33px}.course-picker-section h2{font-size:16px}.course-picker-section>span{font-size:12px}.courses-grid{grid-template-columns:1fr;gap:20px}.course-cover{height:96px}.course-card-body{padding:21px 22px 0}.course-card-body h3{font-size:19px}.course-card-stats{gap:15px;font-size:12px}.course-open{min-height:54px}.courses-footer{font-size:12px;line-height:1.8}}.semantic-match-badge{flex-direction:column;align-items:flex-start;gap:3px;padding:5px 8px}.semantic-match-badge>span{align-items:center;gap:4px;font-size:12px;font-weight:650;display:flex}.search-result .semantic-match-badge>strong{color:var(--warning);font-size:12px;font-weight:700;line-height:1.65}@media (width<=480px){.search-result .semantic-match-badge>strong{font-size:12px}}.search-result strong{color:var(--ink)}.search-result .search-evidence,.search-result small,.search-result .result-lesson,.search-result .result-course{color:var(--muted)}.search-result .exact-match-badge strong{color:var(--accent)}.search-result .semantic-match-badge>strong,.search-result .semantic-match-badge>span{color:var(--warning)}.search-evidence mark{color:var(--accent);background:var(--accent-soft)}.search-timestamp,.search-timestamp>span{color:var(--accent)}.search-page-number{color:var(--accent);align-items:center;gap:5px;margin-top:8px;font-size:12px;display:flex}.lexical-match-group{flex-wrap:wrap;align-items:center;gap:5px;max-width:100%;display:flex}.lexical-match-label{color:var(--muted);margin-right:2px;font-size:12px;font-weight:650}.nav-shortcut{border:1px solid var(--line);background:var(--surface-muted);min-width:18px;height:18px;color:var(--muted);box-shadow:none;border-radius:4px;flex-shrink:0;place-items:center;padding:0 4px;font:11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;display:inline-grid}.overview-nav:hover .nav-shortcut,.overview-nav.active .nav-shortcut{color:var(--accent);border-color:var(--line)}.notes-mode-button.compact .nav-shortcut{min-width:16px;height:16px;margin-left:2px;font-size:12px}@media (width<=600px){.notes-mode-button.compact .nav-shortcut{display:none}}@media (width<=740px){.topbar-actions{gap:8px}.topbar .search-trigger{min-height:38px}.lesson-row-content>strong{font-size:14px}.lesson-prose{font-size:15px}.continue-content h2{font-size:16px}.courses-topbar{flex-wrap:wrap;gap:16px}.courses-account{flex-wrap:wrap;gap:8px}}@media (width<=600px){.courses-account{flex:1 0 100%;justify-content:space-between}.courses-account .account-trigger{flex:none;padding:0}.courses-account .account-trigger>span:nth-child(2),.courses-account .account-trigger>svg{display:none}.courses-account .theme-control{margin-right:auto}.topbar{gap:8px;padding:0 12px}.auth-field input{font-size:16px}.course-section-heading{flex-wrap:wrap}.extracted-text{font-size:14px}}html{scrollbar-gutter:stable}:is(html:has(dialog:modal),html:has(.notes-modal[aria-modal=true])),:is(body:has(dialog:modal),body:has(.notes-modal[aria-modal=true])){overflow:hidden}dialog,.notes-modal{overscroll-behavior:contain}.admin-nav-link{text-decoration:none}