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6px}.status-badge[data-tone=watching]{color:var(--app-accent)}.status-badge[data-tone=completed]{color:var(--app-completed)}.card-action{min-height:24px;color:var(--app-text);justify-content:space-between;align-items:center;gap:8px;margin-top:16px;display:flex}.compact-card .card-copy{padding:12px}.compact-card .card-copy h3{margin:0 0 8px}.compact-card .fallback-caption{display:none}.progress-block{align-items:center;gap:12px;margin:16px 0 12px;display:flex}.progress-caption{order:1;align-items:center;gap:8px;font-size:16px;display:flex}.progress-caption strong{white-space:nowrap}.progress-track{background:var(--app-surface-raised);border-radius:999px;flex:1;min-width:32px;height:4px;overflow:hidden}.progress-track>span{border-radius:inherit;background:var(--app-accent);height:100%;display:block}.card-copy .progress-caption{flex-wrap:wrap;gap:0 8px}.card-copy .progress-block{flex-wrap:wrap;gap:8px}.card-copy .progress-track{flex-basis:100%}.photo-card{background:0 0;border-radius:0}.photo-poster{isolation:isolate;aspect-ratio:2/3;border-radius:var(--app-radius-card);background:var(--app-photo-shade);position:relative;overflow:hidden}.photo-poster>.course-art{height:100%}.photo-poster .fallback-caption{display:none}.poster-copy{color:var(--app-text);padding:8px 0 0}.poster-copy h3{-webkit-line-clamp:2;font-size:16px;font-weight:var(--app-weight-title);-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}.photo-poster .progress-block,.row-art .progress-block{z-index:2;margin:0;position:absolute;inset:auto 0 0}.photo-poster .progress-track,.row-art .progress-track{background:var(--app-photo-shade);border-radius:0;height:3px}.photo-poster .progress-track>span,.row-art .progress-track>span{background:var(--app-photo-accent)}.photo-lock,.new-badge{z-index:2;position:absolute;top:8px}.photo-lock{right:8px}.photo-lock .lock-badge{background:var(--app-photo-shade);width:28px;height:28px;color:var(--app-photo-text);border-radius:50%;padding:5px;font-size:0;overflow:hidden}.photo-lock .lock-badge svg{display:block}.new-badge{background:var(--app-photo-text);color:var(--app-photo-shade);border-radius:4px;padding:0 6px;font-size:16px;font-weight:600;line-height:1.6;left:8px}.continue-caption{color:var(--app-muted);font-size:var(--app-type-supplement);line-height:var(--app-leading-supplement);margin:0}.continue-card h3{margin:4px 0}.continue-play{z-index:2;background:var(--app-photo-text);width:44px;height:44px;color:var(--app-photo-shade);border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.course-hero{background:var(--app-photo-shade);color:var(--app-photo-text);margin:-24px -20px 24px;position:relative}.course-hero>.course-art{aspect-ratio:16/9;border-radius:0}.course-hero .back-link{z-index:2;background:var(--app-photo-scrim);width:44px;height:44px;color:var(--app-photo-text);border-radius:50%;place-items:center;margin:0;padding:0;font-size:22px;line-height:1;text-decoration:none;display:grid;position:absolute;top:16px;left:20px}.hero-copy{margin-bottom:16px}.hero-copy .eyebrow{color:var(--app-muted);margin:0 0 8px}.hero-copy h1{margin:0 0 4px;line-height:1.2}.hero-copy .subtitle{font-size:var(--app-type-body);color:var(--app-body-text);margin:8px 0 0}.course-description{margin:24px 0}.resume-action{margin:16px 0 8px}.course-playback-button{gap:8px;min-height:56px;padding-block:12px}.course-playback-button .small{font-weight:400}.panel{border-radius:var(--app-radius-card);background:var(--app-surface);margin:24px 0;padding:24px 20px}.panel h2{margin-top:0}.line-account{overflow-wrap:anywhere;font-size:16px}.line-account p{font-size:16px}.price-panel{background:var(--app-surface-raised)}.price-main{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.price-main strong{font-size:var(--app-type-title);line-height:1.4}.price-installment{font-size:16px}.section-group{margin:32px 0}.section-group>h3{border-bottom:1px solid var(--app-border);padding-bottom:12px;font-size:20px}.section-number{color:var(--app-muted);font-variant-numeric:tabular-nums;margin-right:12px;font-size:17px}.lesson-list,.chapter-list,.simple-list{margin:0;padding:0;list-style:none}.lesson-list li,.chapter-list li{background:var(--app-surface);border-radius:var(--app-radius-button);margin-bottom:8px;overflow:hidden}.lesson-list a,.lesson-list .locked-lesson{min-height:72px;color:var(--app-text);padding:12px;text-decoration:none;display:block}.lesson-list a:hover{background:var(--app-surface-raised)}.lesson-copy{flex:1;min-width:0}.lesson-play-icon{color:var(--app-text);position:absolute;top:8px;right:0}.target-lesson{border-left:3px solid var(--app-accent)}.lesson-target-label{border-radius:var(--app-radius-badge);background:var(--app-surface-raised);font-size:var(--app-type-supplement);font-weight:var(--app-weight-label);color:var(--app-accent);margin:4px 0 0 4px;padding:0 6px;display:inline-block}.lesson-title{font-size:var(--app-type-subheading);font-weight:var(--app-weight-title);overflow-wrap:anywhere;margin-bottom:8px;display:block}.lesson-list a:hover .lesson-title{text-decoration:underline}.lesson-meta{color:var(--app-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:16px;display:flex}.narrow-page{max-width:760px;margin-inline:auto}.page-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:24px 0;display:flex}select{border:1px solid var(--app-border);border-radius:var(--app-radius-button);background:var(--app-surface-raised);max-width:100%;min-height:48px;color:var(--app-text);padding:8px 12px}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.my-course-list{gap:16px;display:grid}.course-row{grid-template-columns:40% minmax(0,1fr);align-items:start;gap:12px;padding:12px;display:grid}.course-row .fallback-caption{display:none}.course-row .art-fallback>span:first-child{font-size:50px}.course-row .card-copy{padding:0}.course-row .card-copy h3{margin-top:8px}.course-row .card-copy .last-viewed{margin-top:12px}.row-art{aspect-ratio:16/9;border-radius:var(--app-radius-button);min-width:0;position:relative;overflow:hidden}.row-art .course-art{aspect-ratio:16/9;height:100%}.row-art .fallback-caption{display:none}.row-art .art-fallback>span:first-child{font-size:40px}.row-art .art-fallback:before{inset:8px}.lesson-number-art{background:var(--app-surface-raised);color:var(--app-muted);font-variant-numeric:tabular-nums;place-items:center;font-size:32px;font-weight:700;display:grid}.lesson-text-section{margin-top:8px;padding-inline:8px}.lesson-row-main{grid-template-columns:40% minmax(0,1fr);align-items:start;gap:12px;display:grid;position:relative}.lesson-row-main .lesson-copy{padding-right:20px}.lesson-state{margin-top:8px;display:block}.lesson-state .status-badge,.lesson-state .lock-badge,.course-row .status-badge{white-space:normal;overflow-wrap:anywhere}.lesson-description{-webkit-line-clamp:2;font-size:var(--app-type-body);line-height:var(--app-leading-body);-webkit-box-orient:vertical;margin:12px 0 0;display:-webkit-box;overflow:hidden}.badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.info-badge{border-radius:var(--app-radius-badge);background:var(--app-surface-raised);max-width:100%;color:var(--app-muted);overflow-wrap:anywhere;padding:4px 12px;display:inline-flex}.course-facts{font-size:var(--app-type-supplement);margin:24px 0}.course-facts>div{gap:4px;display:flex}.course-facts dt{font-weight:var(--app-weight-label)}.course-facts dd{color:var(--app-muted);margin:0}.course-progress{align-items:center;gap:12px;margin-top:16px;display:flex}.course-progress>.progress-block{flex:1;margin:0}.course-progress>.numeric{white-space:nowrap}.course-secondary-actions{flex-wrap:wrap;gap:8px 20px;display:flex}.text-action{min-width:44px;min-height:44px;color:var(--app-muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:4px;padding:8px 4px;font-size:16px;text-decoration:none;display:inline-flex}.text-action:hover:not(:disabled){text-decoration:underline}.text-action:disabled{cursor:default}.next-lesson-summary{margin:24px 0}.next-lesson-summary h2{margin:0}.next-lesson-text{margin:4px 0 0}.floating-action{z-index:9;bottom:calc(var(--app-bottom-nav-height) + 12px + env(safe-area-inset-bottom,0px));border-radius:var(--app-radius-card);background:var(--app-bg);max-width:720px;margin-inline:auto;padding:8px;animation:.15s ease-out photo-in;position:fixed;left:20px;right:20px}.simple-list li{border-radius:var(--app-radius-button);background:var(--app-surface-raised);margin-top:8px}.simple-list a{min-height:56px;color:var(--app-text);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;font-size:16px;text-decoration:none;display:flex}.simple-list a:hover{text-decoration:underline}.display-settings{margin:24px 0;padding:16px 0}.display-settings p{margin:4px 0 0}.display-toggle{cursor:pointer;align-items:center;gap:12px;min-height:48px;display:flex}.display-toggle input{width:22px;height:22px;accent-color:var(--app-text);flex-shrink:0;margin:0}.mock-settings{color:var(--app-muted);margin-top:48px;padding:16px 0}.mock-settings summary{cursor:pointer;min-height:44px;padding:8px 0}.mock-settings label{flex-wrap:wrap;align-items:center;gap:12px;margin:16px 0;display:flex}.theme-options{flex-wrap:wrap;gap:16px;margin:24px 0;display:flex}fieldset{border:0;min-width:0;margin:24px 0;padding:0}.payment-choice{overflow-wrap:anywhere;align-items:center;gap:12px;min-height:56px;padding-block:12px;display:flex}.price-choices{border:0;gap:12px;margin:20px 0;padding:0;display:grid}.price-choices legend{padding:0 0 12px;font-size:16px}.price-choice{border:1px solid var(--app-border);border-radius:var(--app-radius-button);cursor:pointer;align-items:center;gap:12px;min-height:64px;padding:16px;display:flex}.price-choice[data-selected=true]{border-color:var(--app-text);background:var(--app-surface)}.price-choice>span{overflow-wrap:anywhere;gap:4px;min-width:0;font-size:16px;display:grid}.purchase-page .panel{margin-block:24px}.purchase-page .button,.purchase-complete .button{min-height:56px}.purchase-complete{padding-block:32px}input[type=radio]{accent-color:var(--app-text);flex-shrink:0;width:22px;height:22px}.order-summary>div{border-top:1px solid var(--app-border);flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:16px 0;display:flex}.order-summary dd{margin:0;font-weight:600}.prototype-notice{border-left:3px solid var(--app-border);background:var(--app-surface);padding:16px 20px}.player-page{max-width:1120px;margin-inline:auto}.player-sticky{z-index:5;background:var(--app-bg);margin:0 -20px 24px;position:sticky;top:0}.player-summary{margin-bottom:24px}.player-summary>p:first-child{color:var(--app-muted);font-size:var(--app-type-supplement);margin:0 0 8px}.player-summary h1{font-size:var(--app-type-heading);margin:0 0 12px}.player-summary .lesson-status{flex-wrap:wrap;align-items:center;gap:8px;margin:0;display:flex}.video-frame{aspect-ratio:16/9;background:var(--app-photo-shade);color:var(--app-photo-text);position:relative}.player-sticky[data-portrait=true] .video-frame{width:min(100%, calc(60dvh * var(--video-aspect-ratio)));aspect-ratio:var(--video-aspect-ratio);max-height:60dvh;margin-inline:auto}.video-frame:fullscreen{width:100%;height:100%;max-height:none}.player-sticky[data-portrait=true] .video-frame:fullscreen{width:100%;height:100%;max-height:none}.current-chapter-line{background:var(--app-bg);color:var(--app-muted);overflow-wrap:anywhere;margin:0;padding:8px 20px;font-size:16px}.video-frame>.course-art{aspect-ratio:16/9;height:100%}.play-overlay{cursor:pointer;color:var(--app-photo-text);background:#12110fbd;border:0;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:20px;font-weight:600;display:flex;position:absolute;inset:0}.play-symbol{background:var(--app-photo-shade);border-radius:50%;place-items:center;width:64px;height:64px;font-size:26px;display:grid}.vimeo-mount,.vimeo-mount>div,.vimeo-mount iframe{width:100%;height:100%}.video-loading,.video-retry{text-align:center;background:var(--app-photo-shade);color:var(--app-photo-text);border-radius:var(--app-radius-button);position:absolute;inset:auto 8% 12%}.video-denied{flex-direction:column;justify-content:center;align-items:center;gap:12px;height:100%;padding:16px;display:flex}.video-denied .lock-badge{color:var(--app-photo-muted);background:#292825}.video-denied .button{background:var(--app-photo-text);color:var(--app-photo-shade)}.chapters{margin-bottom:24px}.player-message{min-height:24px}.player-quick-controls{align-items:center;min-height:44px;display:flex}.chapter-heading{justify-content:space-between;align-items:baseline;gap:12px;margin:24px 0 16px;display:flex}.chapter-heading h2{margin:0}.chapter-list button{text-align:left;width:100%;min-height:64px;color:var(--app-text);cursor:pointer;background:0 0;border:0;border-left:3px solid #0000;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px 12px;padding:16px;display:grid}.chapter-list button:disabled{cursor:default}.chapter-list button[data-watched=true]{color:var(--app-muted)}.chapter-list button[aria-current]{border-left-color:var(--app-accent);background:var(--app-current-surface)}.chapter-number,.chapter-time{color:var(--app-muted);font-variant-numeric:tabular-nums;font-family:ui-monospace,monospace}.chapter-copy{min-width:0}.chapter-title{overflow-wrap:anywhere;font-weight:600;display:block}.chapter-text-section{color:var(--app-muted);margin-top:4px;font-size:16px;display:block}.chapter-timing{color:var(--app-muted);white-space:nowrap;flex-direction:column;align-items:flex-end;font-size:16px;display:flex}.next-lesson{padding:32px 0 8px}.lesson-navigation{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px;display:grid}.lesson-navigation-card{border-radius:var(--app-radius-card);background:var(--app-surface);min-width:0;min-height:56px;color:var(--app-text);overflow-wrap:anywhere;flex-direction:column;gap:8px;padding:16px 12px;font-weight:600;text-decoration:none;display:flex}.lesson-navigation-card:hover{text-decoration:underline}.next-lesson-card{grid-column:2}.lesson-navigation-title{color:var(--app-muted);font-size:16px;font-weight:400}.navigation-loading{z-index:6;border-radius:var(--app-radius-card);background:var(--app-surface);pointer-events:none;padding:16px 20px;position:absolute;top:24px;left:20px;right:20px}.navigation-loading .skeleton-content{height:100px}.skeleton{border-radius:var(--app-radius-card);background:var(--app-surface-raised);position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000,#ffffff0d,#0000);animation:2.4s ease-in-out infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}.skeleton-heading{width:55%;height:48px;margin:24px 0}.skeleton-content{width:100%;height:320px}@keyframes shimmer{to{transform:translate(100%)}}@keyframes photo-in{0%{opacity:0}to{opacity:1}}@media (width>=768px){:root{--app-shelf-count:4.5}.course-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.course-row{grid-template-columns:minmax(0,240px) minmax(0,1fr)}}@media (width>=1200px){.app-header{justify-content:space-between;align-items:center;gap:32px;padding:16px max(20px,50vw - 620px);display:flex}.app-nav{background:0 0;gap:24px;padding:0;display:flex;position:static}.app-nav a{flex-direction:row;gap:8px;min-height:44px;padding:8px 12px}:root{--app-shelf-count:6.5;--app-bottom-nav-height:0px;--app-home-header-height:80px}main{padding-bottom:144px}.shelf-arrows{display:flex}.course-layout{max-width:880px;margin-inline:auto}.course-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.player-sticky[data-portrait=false]{max-width:calc(177.778dvh - 163.556px);margin-inline:auto}}@media (orientation:landscape) and (height<=600px){.player-sticky[data-portrait=false]{max-width:calc(177.778dvh - 163.556px);margin-inline:auto}.player-sticky[data-portrait=false] 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--tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}