*{box-sizing:border-box;margin:0;padding:0}button,a,input,select,textarea,label,summary,[role=button]{touch-action:manipulation}html{height:100%}body{min-height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--fs);line-height:1.65;overflow-x:hidden;display:flex;flex-direction:column;transition:background .25s,color .25s,font-size .2s}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-thumb{background:var(--bg5);border-radius:3px}.view{display:none;min-height:100vh}.view.active{display:block}.topnav{position:sticky;top:0;z-index:300;min-height:54px;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 28px;transition:background .25s}.topnav-inner{max-width:var(--page-max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:4px;height:54px;width:100%}.tn-brand{display:flex;align-items:center;gap:9px;cursor:pointer}.tn-name{font-family:Manrope,sans-serif;font-size:var(--fs);color:var(--text)}.tn-right{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.tn-btn{padding:6px 14px;border-radius:var(--lm-r-md);border:none;cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);background:transparent;color:var(--text2);transition:all .15s}.tn-btn:hover{background:var(--bg3);color:var(--text)}.tn-btn.active{background:var(--accent-bg);color:var(--accent2);border:1px solid var(--accent-border)}.tn-cta{padding:6px 16px;border-radius:var(--lm-r-md);border:none;cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;background:var(--accent);color:#fff;transition:all .2s}.tn-cta:hover{filter:brightness(1.1)}.lb{fill:var(--lama-body)}.ls{fill:var(--lama-shadow)}.ll{fill:var(--lama-light)}#view-landing{padding-top:0}.lnd-hero{min-height:88vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:72px 32px 56px;position:relative;overflow:hidden}.lnd-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 50% 30%,rgba(124,106,247,.07),transparent 70%);pointer-events:none}.lnd-lama{margin-bottom:20px}.lnd-h1{font-family:Manrope,sans-serif;font-size:var(--fs-h1);font-weight:300;line-height:1.08;letter-spacing:-.02em;color:var(--text);max-width:800px;margin-bottom:20px}.lnd-h1 em{font-style:italic;color:var(--accent)}.lnd-sub{font-size:calc(var(--fs) + 1px);color:var(--text2);max-width:500px;line-height:1.75;margin-bottom:36px}.lnd-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.btn-p{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:var(--lm-r-lg);border:none;cursor:pointer;font-size:var(--fs);font-family:var(--font-body);font-weight:500;background:var(--accent);color:#fff;transition:all .2s}.btn-p:hover{filter:brightness(1.1);transform:translateY(-2px)}.btn-s{padding:13px 30px;border-radius:var(--lm-r-lg);cursor:pointer;font-size:var(--fs);font-family:var(--font-body);background:transparent;color:var(--text2);border:1px solid var(--border3);transition:all .2s}.btn-s:hover{background:var(--bg3);color:var(--text)}.sec-label{font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);margin-bottom:12px}.sec-title{font-family:Manrope,sans-serif;font-size:var(--fs-h2);font-weight:300;color:var(--text);margin-bottom:8px;line-height:1.2}.sec-sub{font-size:var(--fs-sm);color:var(--text2);max-width:460px;line-height:1.7;margin:0 auto 44px}.lnd-footer{padding:32px 40px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:var(--fs-sm);color:var(--text3)}.lnd-footer-brand{font-family:Manrope,sans-serif;font-size:var(--fs);color:var(--text2)}.lnd-widget{margin:44px auto 0;width:100%;max-width:440px}.lwx-card{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--lm-r-lg);padding:14px 16px 16px;box-shadow:0 18px 50px #0000002e}.lwx-head{display:flex;align-items:center;gap:6px;margin-bottom:10px}.lwx-dot{width:8px;height:8px;border-radius:50%;background:var(--bg4)}.lwx-tag{margin-left:auto;font-family:DM Mono,monospace;font-size:var(--fs-xs);letter-spacing:.04em;color:var(--text3)}.lwx-stage{position:relative;height:190px;touch-action:pan-y;user-select:none;cursor:grab}.lwx-stage:active{cursor:grabbing}.lwx-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .45s ease}.lwx-slide.is-active{opacity:1;visibility:visible}.lwx-slide svg{width:100%;height:100%}.lwx-ink{fill:var(--text2)}.lwx-dim{fill:var(--bg4)}.lwx-line{stroke:var(--border2);fill:none}.lwx-acc{fill:var(--accent)}.lwx-acc-s{stroke:var(--accent);fill:none}.lwx-teal{fill:var(--teal)}.lwx-teal-s{stroke:var(--teal);fill:none}.lwx-gold{fill:var(--gold)}.lwx-gold-s{stroke:var(--gold);fill:none}.lwx-green{fill:var(--green)}.lwx-red{fill:var(--red)}.lwx-label{fill:var(--text3);font-family:DM Mono,monospace;font-size:11px}.lwx-progress{position:relative;height:2px;border-radius:2px;background:var(--bg4);overflow:hidden;margin-top:14px}.lwx-progress-fill{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left center}.lwx-progress-fill.is-running{animation:lwxProgress var(--lwx-slide-duration,4.2s) linear forwards}.lwx-progress.is-paused .lwx-progress-fill{animation-play-state:paused}@keyframes lwxProgress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.lwx-nav{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px}.lwx-pip{width:7px;height:7px;padding:0;border:0;border-radius:50%;background:var(--bg4);cursor:pointer;transition:background .25s ease,transform .25s ease}.lwx-pip:hover{background:var(--text4)}.lwx-pip.is-active{background:var(--accent);transform:scale(1.35)}.lwx-pip:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(prefers-reduced-motion:reduce){.lwx-slide{transition:none}}.lnd-tracks{padding:64px 40px 8px;max-width:1060px;margin:0 auto;text-align:center}.trk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;margin-top:40px;text-align:left}.trk-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--lm-r-lg);padding:26px 24px;transition:border-color .2s,transform .2s,box-shadow .2s}.trk-card:hover{border-color:var(--accent-border);transform:translateY(-3px);box-shadow:0 14px 40px var(--accent-glow)}.trk-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.trk-badge{font-family:DM Mono,monospace;font-size:var(--fs-xs);letter-spacing:.04em;text-transform:uppercase;padding:4px 11px;border-radius:20px}.trk-badge--teal{background:var(--teal-bg);border:1px solid var(--teal-border);color:var(--teal)}.trk-badge--accent{background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent2)}.trk-badge--gold{background:var(--gold-bg);border:1px solid var(--gold-border);color:var(--gold)}.trk-more{font-size:var(--fs-xs);color:var(--text3);margin-top:14px;font-style:italic}.trk-count{font-size:var(--fs-xs);color:var(--text3)}.trk-count strong{color:var(--accent2);font-weight:600}.trk-name{font-family:Manrope,sans-serif;font-size:var(--fs-h3);font-weight:300;color:var(--text);margin-bottom:8px;line-height:1.15}.trk-desc{font-size:var(--fs-sm);color:var(--text2);line-height:1.6;margin-bottom:18px}.trk-chapters{list-style:none;counter-reset:trk;padding:0;margin:0}.trk-chapters li{counter-increment:trk;display:flex;align-items:baseline;gap:11px;padding:7px 0;font-size:var(--fs-sm);color:var(--text2);border-top:1px solid var(--border)}.trk-chapters li:before{content:counter(trk);font-family:DM Mono,monospace;font-size:var(--fs-xs);color:var(--accent2);background:var(--accent-bg);border-radius:6px;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.lnd-cta{padding:64px 40px 80px;text-align:center}.lnd-cta-title{font-family:Manrope,sans-serif;font-size:var(--fs-h2);font-weight:300;color:var(--text);margin-bottom:24px;line-height:1.15}@media(max-width:768px){.trk-grid{grid-template-columns:1fr}.lnd-tracks,.lnd-cta{padding-left:16px;padding-right:16px}}#view-courses{padding-top:0}.crs-body{padding:36px 56px 80px}.track-block{margin-bottom:36px}.track-hdr{user-select:none;padding:8px 0 16px}.track-banner{display:flex;align-items:center;gap:14px;min-width:0}.track-banner-cover{width:52px;height:52px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--bg3);border:1px solid var(--border2)}.track-banner-cover img{width:100%;height:100%;object-fit:contain;display:block}.track-banner-cover--ph{display:flex;align-items:center;justify-content:center;background:var(--accent-bg);border-color:var(--accent-border)}.track-banner-cover--ph span{font-family:DM Mono,monospace;font-size:var(--fs);color:var(--accent2);text-transform:uppercase}.track-banner-main{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1}.track-title{font-size:calc(var(--fs) + 1px);font-family:Manrope,sans-serif;color:var(--text2);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-hdr-right{display:flex;align-items:center;gap:8px;min-width:0}.track-done-check{flex:0 0 auto;display:none;align-items:center;color:var(--green);margin-left:4px}.is-done>.track-done-check{display:inline-flex}.track-hdr-right.is-done .track-title,.crs-m-title.is-done{color:var(--green)}.track-filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:0 0 24px;position:relative}.filter-facets{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:1}.filter-facet{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.filter-facet-key{font-size:var(--fs-xs);font-family:DM Mono,monospace;color:var(--text3);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}.filter-facet-clear{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:var(--text3);cursor:pointer;padding:2px 4px;line-height:1;opacity:.6;transition:opacity .15s}.filter-facet-clear:hover{opacity:1}.filter-add-wrap{position:relative}.filter-add-btn{white-space:nowrap;padding:5px 14px;border-radius:20px;background:transparent;border:1px dashed var(--border2);color:var(--text3);font-size:var(--fs-xs);font-family:var(--font-body);cursor:pointer;transition:all .15s;letter-spacing:.01em}.filter-add-btn:hover{border-color:var(--accent-border);border-style:solid;color:var(--accent2);background:var(--accent-bg)}.filter-dropdown{position:fixed;z-index:200;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:12px;box-shadow:0 8px 24px #0000001f;display:flex;flex-direction:column;gap:14px}.filter-dd-group{display:flex;flex-direction:column;gap:6px}.filter-dd-key{font-size:var(--fs-xs);font-family:DM Mono,monospace;color:var(--text3);letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px}.track-filter-pill{padding:3px 10px;border-radius:20px;border:1px solid var(--border2);background:transparent;color:var(--text3);cursor:pointer;font-size:var(--fs-xs);font-family:var(--font-body);transition:all .15s;white-space:nowrap}.track-filter-pill:hover{border-color:var(--accent-border);color:var(--text)}.track-filter-pill.active{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent2)}.track-tag-row{display:flex;gap:6px;flex-wrap:wrap;padding:4px 0 2px}.track-tag-pill{display:inline-block;padding:2px 9px;border-radius:20px;border:1px solid;font-size:var(--fs-xs);font-family:var(--font-body);white-space:nowrap;pointer-events:none;background:color-mix(in srgb,currentColor 12%,transparent)}.track-tag-extra{display:contents}.track-tag-row[data-collapsed="1"] .track-tag-extra{display:none}.track-tag-more{padding:2px 9px;border-radius:20px;border:1px solid var(--border2);background:transparent;color:var(--text3);font-size:var(--fs-xs);font-family:var(--font-body);white-space:nowrap;cursor:pointer;transition:border-color .15s,color .15s}.track-tag-more:hover{border-color:var(--accent-border);color:var(--accent2)}.chapter-rail{position:relative;padding:14px 0 0;--rail-gap:16px;--rail-card-w:calc((100% - 3 * var(--rail-gap)) / 4)}.chapter-rail .lm-card{--lm-card-art-ratio:1/1}.lm-card--more{border-style:dashed}.lm-card-art--more{display:flex;align-items:center;justify-content:center;background:none}.lm-card-more-plus{font-size:38px;font-weight:200;line-height:1;color:var(--text3)}.lm-card--more:hover .lm-card-more-plus{color:var(--accent2)}.lm-card-more-label{font-size:var(--fs-sm);font-weight:500;color:var(--text3)}.lm-card--more:hover .lm-card-more-label{color:var(--text2)}.lm-card--more.is-loading{opacity:.5;pointer-events:none}.lm-rail-viewport{overflow-x:hidden;overflow-y:visible;touch-action:pan-y;padding-top:4px;margin-top:-4px}.lm-rail-track{display:flex;gap:var(--rail-gap);transition:transform .32s cubic-bezier(.4,0,.2,1);will-change:transform}.lm-rail-track.is-dragging{transition:none;cursor:grabbing}.lm-rail-track>*{flex:0 0 var(--rail-card-w)}.lm-rail-track>*{user-select:none;-webkit-user-select:none}.lm-rail-arrow{position:absolute;top:calc(50% - 16px);z-index:3;width:34px;height:34px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--bg2);border:1px solid var(--border2);color:var(--text2);box-shadow:0 2px 10px #0000002e;transition:opacity .15s,background .15s,color .15s}.lm-rail-arrow:hover{background:var(--bg3);color:var(--text)}.lm-rail-arrow:focus-visible{outline:none;box-shadow:var(--lm-focus-ring)}.lm-rail-arrow svg{width:16px;height:16px}.lm-rail-arrow.prev{left:-12px}.lm-rail-arrow.next{right:-12px}.lm-rail-arrow[disabled]{opacity:0;pointer-events:none}.lm-card-badge{position:absolute;top:10px;right:10px;z-index:2;font-size:calc(var(--fs-xs) - 1px);font-family:DM Mono,monospace;padding:2px 7px;border-radius:20px;background:var(--bg4);color:var(--text4);border:1px solid var(--border)}.lm-card-badge.new{background:var(--green-bg);color:var(--green);border-color:var(--green-border)}.cc-difficulty{display:flex;gap:3px;padding-top:4px}.cc-slot{height:4px;flex:1;border-radius:2px;background:var(--bg4)}#view-track{padding-top:0}.back-btn{display:flex;align-items:center;gap:6px;font-size:var(--fs-sm);color:var(--text3);cursor:pointer;margin-bottom:14px;background:none;border:none;font-family:var(--font-body);transition:color .15s;padding:0}.back-btn:hover{color:var(--text)}#view-lesson{padding-top:0;display:none}#view-lesson.active{display:block}.lesson-topbar{position:sticky;top:54px;z-index:200;padding:0 32px;display:flex;flex-direction:column;border-bottom:1px solid var(--border);background:var(--bg2);backdrop-filter:blur(10px);flex-shrink:0}.lesson-topbar-row1{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--topbar-h);gap:12px}.lesson-topbar-row2{display:flex;align-items:center;justify-content:center;gap:6px;padding:6px 0 8px}.lesson-back{display:flex;align-items:center;gap:6px;font-size:var(--fs-sm);color:var(--text3);cursor:pointer;background:none;border:none;font-family:var(--font-body);transition:color .15s;padding:0;justify-self:start}.lesson-back:hover{color:var(--text)}.lesson-title-center{font-size:var(--fs-sm);font-weight:500;color:var(--text);font-family:var(--font-body);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-topbar-row1 .lesson-tool-btn,.lesson-topbar-row1 .lm-menu{justify-self:end}.lp-dots{display:flex;gap:5px}.lp-dot{width:7px;height:7px;border-radius:50%;background:var(--bg4);border:1px solid var(--border2);transition:all .2s}.lp-dot.active{background:var(--accent);border-color:var(--accent)}.lp-dot.done{background:var(--accent2);border-color:var(--accent2)}.lp-dot.quiz.active{background:var(--gold);border-color:var(--gold)}.lp-dot.quiz.done{background:var(--green);border-color:var(--green)}.lp-dot.wrong{background:var(--red);border-color:var(--red)}.lesson-tool-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text3);cursor:pointer;transition:all .15s}.lesson-tool-btn--label{width:auto;padding:0 10px;gap:5px;font-size:var(--fs-xs);font-family:var(--font-body)}.lesson-tool-btn:hover,.lesson-tool-btn.active{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}.lesson-topbar{transition:transform .22s ease,opacity .22s ease}.lesson-topbar.sp-hidden{transform:translateY(-100%);opacity:0;pointer-events:none}.swipe-hint{position:fixed;top:50%;z-index:200;width:450px;height:450px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent);pointer-events:none;opacity:0;transition:opacity .14s ease,background .15s ease,color .15s ease}.swipe-hint--right{right:-390px;padding-right:390px}.swipe-hint--left{left:-390px;padding-left:390px}.swipe-hint.armed{background:var(--accent);color:#fff;border-color:var(--accent)}.swipe-hint.blocked{background:var(--red-bg);color:var(--red);border-color:var(--red-border)}.swipe-hint svg{width:30px;height:30px}#sp-overlay{position:fixed;inset:54px 0 0;z-index:290;pointer-events:none;opacity:0;transition:opacity .18s ease}#sp-overlay.sp-visible{pointer-events:all;opacity:1}#sp-canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair;touch-action:none;background:transparent}.sp-grid{position:absolute;inset:0;background-image:radial-gradient(circle,var(--text3) 2px,transparent 1px);background-size:28px 28px;opacity:.2;pointer-events:none}.sp-toolbar{position:absolute;top:16px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:6px 10px;box-shadow:0 4px 24px #0000002e;backdrop-filter:blur(12px);white-space:nowrap;max-width:calc(100vw - 32px);flex-wrap:wrap;justify-content:center}.sp-group{display:flex;align-items:center;gap:4px;flex-shrink:0}.sp-row{display:contents}.sp-drag-handle{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;color:var(--text3);cursor:grab;flex-shrink:0;transition:color .14s;touch-action:none}.sp-drag-handle:hover{color:var(--text)}.sp-drag-handle:active{cursor:grabbing}.sp-tools,.sp-colors{display:flex;align-items:center;gap:4px}.sp-divider{width:1px;height:20px;background:var(--border2);margin:0 2px;flex-shrink:0}.sp-tool-btn,.sp-action-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:7px;border:1px solid transparent;background:transparent;color:var(--text2);cursor:pointer;transition:all .14s;flex-shrink:0}.sp-tool-btn:hover,.sp-action-btn:hover{background:var(--bg3);color:var(--text)}.sp-tool-btn.active{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}.sp-action-btn:disabled{opacity:.3;cursor:default}.sp-action-btn:disabled:hover{background:transparent;color:var(--text2)}.sp-clear-btn:hover{background:var(--red-bg);color:var(--red)!important}.sp-color-btn{width:18px;height:18px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:border-color .12s,transform .12s;flex-shrink:0}.sp-color-btn:hover{transform:scale(1.15)}.sp-color-btn.active{border-color:var(--text)}.sp-color-white,.sp-color-dark{box-shadow:0 0 0 1px var(--border2)}.sp-close-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;border:1px solid var(--red-border);background:var(--red-bg);color:var(--red);cursor:pointer;font-size:12px;transition:all .14s;flex-shrink:0}.sp-close-btn:hover{background:var(--red);color:#fff;border-color:var(--red)}.lesson-stage{padding:40px 32px 48px;overflow-y:auto;position:relative}.slide{width:100%;max-width:700px;margin:0 auto;animation:slideIn .22s ease both}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.slide-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:36px;display:flex;flex-direction:column;gap:20px;max-width:720px;width:100%;margin:0 auto;position:relative}.slide-widget-slot{width:100%;border-radius:10px;overflow:hidden;background:var(--bg2)}.widget-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:14px 16px 10px;background:var(--bg2);border-top:1px solid var(--border)}.widget-ctrl-item{display:flex;align-items:center;gap:8px;font-size:var(--fs-sm);color:var(--text2);cursor:default}.widget-ctrl-label{white-space:nowrap;user-select:none}.widget-ctrl-btn{padding:8px 18px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text2);font-family:var(--font-body);font-size:var(--fs-sm);cursor:pointer;white-space:nowrap;transition:all .15s}.widget-ctrl-btn:hover{background:var(--bg3);color:var(--text)}.widget-ctrl-btn:active{background:var(--bg4)}.widget-ctrl-toggle-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.widget-ctrl-toggle-track{display:inline-block;width:44px;height:26px;flex-shrink:0;border-radius:13px;background:var(--border2);position:relative;cursor:pointer;transition:background .2s}.widget-ctrl-toggle-track:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .2s}.widget-ctrl-toggle-input:checked+.widget-ctrl-toggle-track{background:var(--accent)}.widget-ctrl-toggle-input:checked+.widget-ctrl-toggle-track:after{transform:translate(18px)}.widget-ctrl-range{flex:1;min-width:80px;max-width:160px;accent-color:var(--accent);cursor:pointer}.widget-ctrl-range+datalist{display:none}.widget-ctrl-range[list]{writing-mode:horizontal-tb}.widget-ctrl-readout{font-family:DM Mono,monospace;font-size:var(--fs-xs);color:var(--text3);min-width:4ch;text-align:right}.widget-ctrl-select{padding:6px 8px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text2);font-family:var(--font-body);font-size:var(--fs-sm);cursor:pointer;transition:border-color .15s,color .15s}.widget-ctrl-select:hover{border-color:var(--accent-border);color:var(--text)}.widget-ctrl-select:focus{outline:none;border-color:var(--accent-border)}.widget-ctrl-number{width:68px;padding:6px 8px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text2);font-family:DM Mono,monospace;font-size:var(--fs-sm);text-align:right;transition:border-color .15s}.widget-ctrl-number:focus{outline:none;border-color:var(--accent-border);color:var(--text)}@media(max-width:600px){.widget-ctrl-item--range{flex:1 1 100%;flex-wrap:wrap}.widget-ctrl-item--range .widget-ctrl-label{flex:1 1 100%;white-space:normal}.widget-ctrl-item--range .widget-ctrl-range{max-width:none;min-width:0}}.slide-type-pill{font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.08em;text-transform:uppercase;padding:3px 11px;border-radius:20px;background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent2);display:inline-flex;width:fit-content}.slide-type-pill.ex{background:var(--teal-bg);border-color:var(--teal-border);color:var(--teal)}.slide-type-pill.qz{background:var(--gold-bg);border-color:var(--gold-border);color:var(--gold)}.qz-pill-row,.slide-pill-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.drill-list{max-width:700px;width:100%;margin:0 auto}.lm-menu-item[data-action=delall]:not([disabled]):hover{background:var(--red-bg);color:var(--red)}.drill-rows{display:flex;flex-direction:column;gap:10px}.drill-row{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--border);border-radius:var(--lm-r-md);background:var(--bg2);cursor:pointer;transition:background .15s,border-color .15s}.drill-row:hover{border-color:var(--border2)}.drill-row--sel,.drill-row--sel:hover{background:var(--accent-bg);border-color:var(--accent-border)}.drill-check{display:inline-flex;align-items:center;flex-shrink:0;cursor:pointer}.drill-check input{width:18px;height:18px;cursor:pointer;accent-color:var(--accent)}.drill-count{width:50px;flex-shrink:0;padding:6px;border:1px solid var(--border2);border-radius:var(--lm-r-sm);background:var(--bg);color:var(--text);font-family:DM Mono,monospace;font-size:var(--fs-sm);text-align:center}.drill-count:disabled{opacity:.4}.drill-fixed{flex-shrink:0;font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:20px;background:var(--gold-bg);border:1px solid var(--gold-border);color:var(--gold);cursor:help}.drill-prev{flex:1;min-width:0;color:var(--text);font-size:var(--fs-sm);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.drill-remove{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;background:none;border-radius:var(--lm-r-sm);color:var(--text3);cursor:pointer;transition:background .15s,color .15s}.drill-remove:hover{background:var(--red-bg);color:var(--red)}.drill-pager{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:18px}.drill-page-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border2);border-radius:var(--lm-r-sm);background:var(--bg2);color:var(--text2);cursor:pointer;transition:background .15s,color .15s}.drill-page-btn:hover:not(:disabled){background:var(--bg3);color:var(--text)}.drill-page-btn:disabled{opacity:.4;cursor:default}.drill-page-num{font-size:var(--fs-sm);color:var(--text2);font-family:DM Mono,monospace}.drill-bar{margin-top:26px;display:flex;justify-content:center}.drill-go{min-width:180px}.drill-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:44px 20px}.drill-empty-icon{color:var(--accent2)}.drill-empty-title{font-family:Manrope,sans-serif;font-size:var(--fs-h3);font-weight:600;color:var(--text)}.drill-empty-sub{font-size:var(--fs-sm);color:var(--text2);max-width:400px;line-height:1.6;margin-bottom:4px}.slide-h{font-family:Manrope,sans-serif;font-size:var(--fs-slide);font-weight:400;color:var(--text);line-height:1.25}.slide-body{font-size:var(--fs-slide-body);color:var(--text2);line-height:1.8}.slide-body strong,.slide-body b{color:var(--text);font-weight:600}.slide-body em,.slide-body i{font-style:italic}.slide-body code{font-family:DM Mono,monospace;font-size:.88em;background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:1px 6px;color:var(--accent2)}.slide-body a{color:var(--accent);text-decoration:underline}.slide-body ul,.slide-body ol{padding-left:1.5em;margin:.4em 0;display:flex;flex-direction:column;gap:6px}.slide-body li{line-height:1.6}.slide-body ul li::marker{color:var(--accent)}.slide-body p{margin:.3em 0}.slide-body p:first-child{margin-top:0}.slide-body p:last-child{margin-bottom:0}.slide-callout{background:var(--accent-bg);border-left:3px solid var(--accent);border-radius:0 var(--lm-r-md) var(--lm-r-md) 0;padding:13px 17px 13px 42px;font-size:var(--fs-sm);color:var(--text2);line-height:1.65;position:relative}.slide-callout:before{content:"💡";position:absolute;left:13px;top:13px;font-size:15px}.slide-hint{margin-top:2px}.slide-hint-toggle{background:none;border:none;cursor:pointer;font-size:var(--fs-sm);color:var(--accent);font-family:var(--font-body);padding:4px 0;display:flex;align-items:center;gap:5px}.slide-hint-toggle:before{content:"▸";transition:transform .2s;display:inline-block}.slide-hint-toggle.open:before{transform:rotate(90deg)}.slide-hint-body{display:none;margin-top:6px;padding:12px 15px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--lm-r-md);font-size:var(--fs-sm);color:var(--text2);line-height:1.6}.slide-hint-body.open{display:block}.slide-progress-bar{height:3px;background:var(--bg4);border-radius:2px;margin-bottom:20px;overflow:hidden}.slide-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.quiz-q{font-size:var(--fs-slide-body);color:var(--text);line-height:1.6;margin-bottom:4px}.quiz-opts{display:flex;flex-direction:column;gap:9px}.quiz-opt{display:flex;align-items:flex-start;gap:11px;padding:12px 16px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--lm-r-md);cursor:pointer;transition:all .15s;font-size:var(--fs-slide-body);color:var(--text2);text-align:left;width:100%;font-family:var(--font-body);line-height:1.5}.quiz-opt:hover:not(:disabled){border-color:var(--accent-border);background:var(--accent-bg);color:var(--text)}.quiz-opt:disabled{cursor:default}.quiz-opt.wrong{border-color:var(--red);background:var(--red-bg);color:var(--red)}.quiz-opt.correct,.quiz-opt.reveal{border-color:var(--green);background:var(--green-bg);color:var(--green)}.quiz-key{font-family:DM Mono,monospace;font-size:var(--fs-xs);min-width:18px;margin-top:1px;opacity:.55}.quiz-fb{display:none;padding:11px 15px;border-radius:var(--lm-r-md);font-size:var(--fs-sm);line-height:1.6}.quiz-fb.show{display:block}.quiz-fb.ok{background:var(--green-bg);border:1px solid var(--green-border);color:var(--green)}.quiz-fb.bad{background:var(--red-bg);border:1px solid var(--red-border);color:var(--red)}[data-theme=light] .quiz-fb.ok{color:#14532d}[data-theme=light] .quiz-fb.bad{color:#7f1d1d}.quiz-fb-disc{margin-top:10px;padding-top:10px;border-top:1px solid var(--border2)}.quiz-fb-disc summary{cursor:pointer;font-weight:600;color:var(--text2);user-select:none}.quiz-fb-disc summary:hover{color:var(--text)}.quiz-fb-disc-body{margin-top:8px;color:var(--text);font-weight:400}.slide-nav{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:28px;border-top:1px solid var(--border);gap:12px}.slide-nav-left{display:flex;align-items:center;gap:8px}.btn-slide-back{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text2);cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);transition:all .15s}.btn-slide-back:hover{background:var(--bg3);color:var(--text)}.btn-slide-back:disabled{opacity:.3;cursor:default}#qas{display:flex;align-items:center;gap:10px}.btn-quiz-retry{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:transparent;color:var(--text2);cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);transition:all .15s}.btn-quiz-retry:hover{background:var(--bg3);color:var(--text)}.btn-slide-next{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:var(--lm-r-md);border:none;background:var(--accent);color:#fff;cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;transition:all .2s}.btn-slide-next:hover:not(:disabled){filter:brightness(1.1)}.btn-slide-next:disabled{opacity:.35;cursor:default}.btn-finish{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:var(--lm-r-md);border:none;cursor:pointer;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;color:#fff;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--accent),var(--accent2));transition:filter .2s,transform .2s,box-shadow .2s}.btn-finish:hover{filter:brightness(1.1)}.loading{display:flex;align-items:center;justify-content:center;min-height:60vh;font-size:var(--fs-sm);color:var(--text3);font-family:DM Mono,monospace;flex-direction:column;gap:12px}.loading-spinner{width:32px;height:32px;border:2.5px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:block;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{background:var(--red-bg);border:1px solid var(--red-border);border-radius:var(--lm-r-md);padding:12px 18px;color:var(--red);font-size:var(--fs-sm);margin:16px 0}.tn-hamburger{display:none;width:36px;height:36px;border-radius:var(--lm-r-md);border:1px solid var(--border2);background:var(--bg3);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;flex-shrink:0}.tn-hamburger span{display:block;width:16px;height:2px;background:var(--text2);border-radius:1px;transition:all .2s}.tn-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.tn-hamburger.open span:nth-child(2){opacity:0}.tn-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media(max-width:768px){.tn-hamburger{display:flex}.tn-right{display:none;position:absolute;top:100%;right:0;left:0;background:var(--bg2);border-bottom:1px solid var(--border);padding:12px 20px 16px;flex-direction:column;align-items:stretch;gap:8px;box-shadow:0 8px 24px #0000001f;z-index:299}.tn-right.open{display:flex}.tn-right .tn-btn,.tn-right .tn-cta{width:100%;text-align:center;justify-content:center;box-sizing:border-box}.tn-right .tn-cta{margin-left:0!important;margin-top:4px}.tn-right .user-menu-dropdown{position:static;box-shadow:none;border:none;background:transparent;padding:4px 0 0;min-width:0;display:block!important;animation:none;border-top:1px solid var(--border);margin-top:4px}.tn-right .user-menu-item{text-align:center;justify-content:center}.tn-right .user-menu-wrap{width:100%}.tn-right .user-menu-btn,.tn-right .user-menu-caret{display:none}.topnav--always-visible .tn-right{display:flex;position:static;background:none;border:none;padding:0;flex-direction:row;align-items:center;box-shadow:none;gap:4px}.topnav--always-visible .tn-right .tn-btn,.topnav--always-visible .tn-right .tn-cta{width:auto;text-align:unset;justify-content:unset;margin-top:0;display:inline-block}}@media(max-width:480px){.crs-body,.lnd-hero,.lnd-footer{padding-left:16px;padding-right:16px}.lesson-stage{padding:24px 16px 16px}.slide-card{padding:22px 18px}}@media(max-width:720px){.topnav{padding:0 20px}.topnav-inner{padding:0}.tn-cta{display:none}.crs-body{padding-left:20px;padding-right:20px}.chapter-rail{--rail-gap:12px;--rail-card-w:calc((100% - 1 * var(--rail-gap)) / 2)}.slide-card{padding:24px 22px}}@media(max-width:900px){.crs-body{padding-left:28px;padding-right:28px}}.reset-modal-overlay{position:fixed;inset:0;z-index:800;background:#00000073;backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px}.reset-modal{background:var(--bg2);border:1px solid var(--border2);border-radius:14px;padding:28px 28px 22px;max-width:380px;width:100%;box-shadow:0 16px 48px #0000002e}.reset-modal-title{font-family:Manrope,sans-serif;font-size:19px;font-weight:400;color:var(--text);margin-bottom:10px}.reset-modal-body{font-size:14px;color:var(--text2);line-height:1.65;margin-bottom:22px}.reset-modal-warn{color:var(--red)}.reset-modal-actions{display:flex;gap:10px;justify-content:flex-end}.report-modal-overlay{position:fixed;inset:0;z-index:800;background:#00000073;backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px}.report-modal{position:relative;background:var(--bg2);border:1px solid var(--border2);border-radius:14px;padding:26px 26px 20px;max-width:440px;width:100%;box-shadow:0 16px 48px #0000002e}.report-modal-close{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;background:none;color:var(--text3);cursor:pointer;border-radius:var(--lm-r-sm);transition:background .15s,color .15s}.report-modal-close:hover{background:var(--bg3);color:var(--text2)}.report-modal-title{font-family:var(--font-body);font-size:var(--fs);color:var(--text);margin-bottom:18px;padding-right:32px}.report-modal-field{margin-bottom:18px}.report-modal-label{font-size:var(--fs-sm);color:var(--text2);margin-bottom:9px}.report-types{display:flex;flex-direction:column;gap:6px}.report-type{display:flex;align-items:center;gap:9px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--lm-r-sm);cursor:pointer;font-size:var(--fs-sm);color:var(--text2);transition:background .13s,border-color .13s}.report-type:hover{background:var(--bg3)}.report-type input{accent-color:var(--accent);cursor:pointer;margin:0}.report-comment{width:100%;box-sizing:border-box;resize:vertical;min-height:82px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--lm-r-sm);background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--fs-sm);line-height:1.5}.report-comment:focus{outline:none;border-color:var(--accent)}.report-comment-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px}.report-other-hint{font-size:var(--fs-xs);color:var(--red)}.report-counter{font-size:var(--fs-xs);color:var(--text3);margin-left:auto}.report-modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.tp-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.quiz-select-many-hint{font-size:var(--fs-xs);color:var(--text3);margin-bottom:8px;font-style:italic}.quiz-opt.selected,.quiz-opt.selected:hover:not(:disabled){border-color:var(--gold);background:var(--gold-bg);color:var(--gold)}.fill-text{font-size:var(--fs);color:var(--text);line-height:2.2;margin:8px 0}.fill-blank-inp{display:inline-block;padding:3px 10px;background:var(--bg3);border-bottom:2px solid var(--accent);border-top:none;border-left:none;border-right:none;border-radius:0;color:var(--text);font-size:var(--fs-sm);font-family:DM Mono,monospace;outline:none;min-width:80px;width:auto;transition:border-color .15s;vertical-align:middle;text-align:center}.fill-blank-inp:focus{border-bottom-color:var(--accent2)}.fill-blank-inp.correct{border-bottom-color:var(--green);background:var(--green-bg);color:var(--green)}.fill-blank-inp.wrong{border-bottom-color:var(--red);background:var(--red-bg);color:var(--red)}.fill-blank-inp:disabled{cursor:default}.fbn-help{display:inline-block;vertical-align:middle;margin-left:4px;width:18px;height:18px;border-radius:50%;border:1.5px solid var(--accent-border);background:var(--bg3);color:var(--accent);font-size:var(--fs-xs);font-weight:600;line-height:15px;text-align:center;cursor:pointer;flex-shrink:0;transition:background .15s,color .15s}.fbn-help:hover{background:var(--accent);color:#fff}.fbn-popover{display:none;position:absolute;z-index:200;background:var(--bg2);border:1px solid var(--border);border-radius:var(--lm-r-md);box-shadow:0 6px 24px #0000002e;padding:10px 14px;width:250px;height:250px;overflow-y:auto;font-size:var(--fs-sm);color:var(--text)}.fbn-popover.fbn-popover-open{display:block}.fbn-section{font-weight:600;color:var(--text2);margin:8px 0 4px;font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.04em}.fbn-section:first-child{margin-top:0}.fbn-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:3px;align-items:center}.fbn-row code{background:var(--bg3);border:1px solid var(--border);border-radius:3px;padding:1px 5px;font-family:DM Mono,monospace;font-size:var(--fs-xs);color:var(--accent)}.fbn-row span{color:var(--text3);font-size:var(--fs-xs)}.fbc-slot{display:inline-block;min-width:80px;padding:3px 10px;border-bottom:2px solid var(--accent);background:var(--bg3);border-radius:var(--lm-r-md) var(--lm-r-md) 0 0;vertical-align:middle;text-align:center;font-size:var(--fs-sm);font-family:DM Mono,monospace;color:var(--text);cursor:pointer;transition:border-color .15s,background .15s;user-select:none}.fbc-slot:hover{border-bottom-color:var(--accent2);background:var(--bg2)}.fbc-slot.fbc-slot-filled{border-bottom-color:var(--accent2)}.fbc-slot.fbc-slot-correct{border-bottom-color:var(--green);background:var(--green-bg);color:var(--green)}.fbc-slot.fbc-slot-wrong{border-bottom-color:var(--red);background:var(--red-bg);color:var(--red)}.fbc-pool{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px}.fbc-card{padding:8px 16px;border-radius:var(--lm-r-md);border:1.5px solid var(--accent-border);background:var(--bg2);color:var(--text);font-size:var(--fs-sm);font-family:DM Mono,monospace;cursor:pointer;transition:all .15s}.fbc-card:hover:not(:disabled){border-color:var(--accent);background:var(--accent-bg)}.fbc-card.fbc-used{opacity:.35;cursor:default}.fbc-card:disabled{cursor:default}.order-list{display:flex;flex-direction:column;gap:6px;margin:10px 0;user-select:none}.order-item{display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--lm-r-md);cursor:grab;transition:all .15s}.order-item:active{cursor:grabbing}.order-item.order-dragging{opacity:.35;border-style:dashed}.order-item.order-over-top{box-shadow:0 -2px 0 0 var(--accent)}.order-item.order-over-bot{box-shadow:0 2px 0 0 var(--accent)}.order-item.correct{border-color:var(--green);background:var(--green-bg)}.order-item.wrong{border-color:var(--red);background:var(--red-bg)}.order-handle{font-size:var(--fs-sm);color:var(--text4);flex-shrink:0}.order-text{flex:1;font-size:var(--fs-sm);color:var(--text)}.order-badge{display:inline-flex;align-items:center;justify-content:center;font-size:var(--fs-xs);font-family:DM Mono,monospace;padding:3px 7px;border-radius:4px;flex-shrink:0}.order-badge.pos-ok{background:var(--green-bg);color:var(--green)}.order-badge.pos-bad{background:var(--red-bg);color:var(--red)}.user-menu-wrap{position:relative}.user-menu-btn{display:flex;align-items:center;gap:7px;padding:5px 12px;border-radius:20px;background:var(--bg3);border:1px solid var(--border);cursor:pointer;font-size:var(--fs-xs);font-family:var(--font-body);color:var(--text2);transition:all .15s}.user-menu-btn:hover{background:var(--bg4)}.user-menu-caret{display:inline-flex;align-items:center;color:var(--text3);transition:transform .2s}.user-menu-wrap.open .user-menu-caret{transform:rotate(180deg)}.user-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--lm-r-lg);padding:6px;min-width:200px;box-shadow:0 8px 24px #0000001f;display:none;z-index:400}.user-menu-wrap.open .user-menu-dropdown{display:block;animation:fadeDown .14s ease}@keyframes fadeDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.user-menu-item{width:100%;padding:8px 10px;border:none;background:transparent;cursor:pointer;text-align:left;font-size:var(--fs-sm);font-family:var(--font-body);color:var(--text2);border-radius:6px;display:flex;align-items:center;gap:8px;transition:all .14s}.user-menu-item:hover{background:var(--bg3)}.user-menu-logout{color:var(--red)}.user-menu-logout:hover{background:var(--red-bg)}.dash-wrap{max-width:720px;margin:0 auto;padding:40px 32px 80px}.dash-greeting{font-family:Manrope,sans-serif;font-size:32px;font-weight:300;color:var(--text);margin-bottom:6px}.dash-card-label{font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.09em;text-transform:uppercase;color:var(--text3);margin-bottom:10px}.dash-continue{margin-bottom:28px}.dash-action-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.dash-action-card{display:flex;align-items:center;gap:13px;width:100%;text-align:left;cursor:pointer;padding:15px 16px;border-radius:14px;background:var(--bg2);border:1px solid var(--border);transition:border-color .15s,background .15s}.dash-action-card:hover{border-color:var(--accent-border);background:var(--bg3)}.dash-action-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:40px;height:40px;border-radius:10px;background:var(--accent-bg);color:var(--accent)}.dash-action-icon--drill{background:var(--gold-bg);color:var(--gold)}.dash-action-body{flex:1;min-width:0}.dash-action-title{font-size:var(--fs);font-weight:600;color:var(--text)}.dash-action-sub{font-size:var(--fs-sm);color:var(--text2);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-action-arrow{flex-shrink:0;color:var(--text3)}@media(max-width:600px){.dash-action-card{padding:12px 10px;gap:9px;justify-content:center}.dash-action-body{flex:0 1 auto;min-width:0}.dash-action-title{font-size:var(--fs-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dash-action-sub,.dash-action-arrow{display:none}}.review-stage{min-height:300px}.review-source{display:inline-flex;align-items:center;gap:4px;font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);text-decoration:none;margin-bottom:10px}.review-source:hover{text-decoration:underline}.review-msg{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;max-width:420px;margin:48px auto;padding:0 16px}.review-msg-icon{color:var(--accent)}.review-msg-title{font-family:Manrope,sans-serif;font-size:var(--fs-h3);color:var(--text)}.review-msg-sub{font-size:var(--fs-sm);color:var(--text3);margin-bottom:8px}#streak-widget{margin-top:24px}.streak-widget{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:16px 20px}.streak-widget-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.streak-label{font-size:var(--fs-xs);font-family:DM Mono,monospace;letter-spacing:.09em;text-transform:uppercase;color:var(--text3)}.streak-count{display:inline-flex;align-items:center;gap:5px;font-size:var(--fs-sm);font-weight:600}.streak-widget--active .streak-count{color:var(--accent)}.streak-widget--inactive .streak-count{color:var(--text3)}.streak-hint{font-size:var(--fs-xs);color:var(--text3);margin-top:10px}.streak-hint--warn{color:var(--text2)}.streak-week{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.sw-day{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border-radius:10px}.sw-day--today{background:var(--bg3)}.sw-day-symbol{font-size:16px;height:20px;display:flex;align-items:center;justify-content:center}.sw-day--active .sw-day-symbol{color:var(--accent)}.sw-day--repair .sw-day-symbol{color:var(--gold)}.sw-day-label{font-size:11px;color:var(--text3);font-family:DM Mono,monospace;letter-spacing:.04em}.sw-day--today .sw-day-label{color:var(--text2)}.sw-day--pending .sw-day-symbol:before{content:"";display:block;width:14px;height:14px;border-radius:50%;border:1.5px solid var(--border2)}.sw-day--empty .sw-day-symbol{opacity:.15}.sw-day--empty .sw-day-label{opacity:.4}.streak-badge{display:inline-flex;align-items:center;gap:2px;font-size:var(--fs-sm);font-weight:600;padding:4px 8px;white-space:nowrap;cursor:default}.streak-badge .lm-bolt{transition:filter .2s ease}.streak-badge:hover .lm-bolt--active{filter:drop-shadow(0 0 5px var(--accent))}.tn-right-fixed{display:flex;align-items:center;gap:4px;margin-left:auto}#nav-streak-badge{display:flex;align-items:center}.streak-chain-anim{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 0}.streak-chain-label{font-family:Manrope,sans-serif;font-size:22px;font-weight:300;color:var(--text)}.streak-chain-svg{overflow:visible;width:80px}.streak-chain-link--new{animation:chain-link-pop .5s cubic-bezier(.34,1.56,.64,1) both}@keyframes chain-link-pop{0%{opacity:0;transform:translateY(-20px) scale(.6)}to{opacity:1;transform:translateY(0) scale(1)}}.cl-carousel{position:relative;padding-bottom:24px}.cl-viewport{overflow:hidden;padding-top:4px;margin-top:-4px}.cl-track{display:flex;transition:transform .3s cubic-bezier(.4,0,.2,1)}.cl-card{flex:0 0 50%;display:flex;flex-direction:column;padding:0;background:var(--bg2);border:1px solid var(--border);border-radius:14px;cursor:pointer;box-sizing:border-box;transition:all .2s;user-select:none;overflow:hidden}.cl-card.cl-active{opacity:1;transform:scale(1)}.cl-card.cl-active:not(.mastery):not(.explore):hover{border-color:var(--accent-border);background:var(--bg3);transform:translateY(-2px);box-shadow:0 2px 8px #7c6af714,0 6px 16px #7c6af71a}.cl-card.cl-active.mastery:hover{border-color:#e8b84b99;background:var(--bg3);transform:translateY(-2px);box-shadow:0 2px 8px #e8b84b14,0 6px 16px #e8b84b1a}.cl-card.cl-active.explore:hover{border-color:var(--accent-border);transform:translateY(-3px);background:var(--bg3);box-shadow:none}.cl-card.cl-side{opacity:.45;transform:scale(.95)}.cl-card.mastery{border-color:var(--gold-border)}.cl-card.explore{border-color:var(--border)}.cl-explore-art{background:var(--bg3);display:flex;align-items:center;justify-content:center}.cl-img-wrap{width:100%;flex:none;aspect-ratio:1;overflow:hidden;background:var(--bg3)}.cl-img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;user-select:none;-webkit-user-drag:none}.cl-cover-light{display:block}.cl-cover-dark,[data-theme=dark] .cl-cover-light{display:none}[data-theme=dark] .cl-cover-dark{display:block}.cl-img-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-family:DM Mono,monospace;font-size:var(--fs)}.cl-content{display:flex;align-items:center;gap:10px;padding:10px 12px;flex-shrink:0}.cl-icon{width:30px;height:30px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:var(--fs-xs);font-family:DM Mono,monospace}.cl-card:not(.mastery):not(.explore) .cl-icon{background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent2)}.cl-card.mastery .cl-icon{background:#e8b84b26;border:1px solid var(--gold-border);color:var(--gold)}.cl-card.explore .cl-icon{background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--accent2);font-size:var(--fs-xs)}.cl-body{flex:1;min-width:0}.cl-label{font-size:calc(var(--fs-xs) - 1px);font-family:DM Mono,monospace;letter-spacing:.07em;text-transform:uppercase;margin-bottom:3px}.cl-card:not(.mastery):not(.explore) .cl-label{color:var(--accent2)}.cl-card.mastery .cl-label{color:var(--gold)}.cl-card.explore .cl-label{color:var(--accent2)}.cl-title{font-size:var(--fs-sm);font-weight:500;color:var(--text);margin-bottom:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cl-meta{font-size:var(--fs-xs);color:var(--text3)}.cl-dots{display:flex;justify-content:center;gap:6px;margin-top:10px}.cl-dot{width:6px;height:6px;border-radius:50%;background:var(--bg4);cursor:pointer;transition:all .2s}.cl-dot.active{background:var(--accent);width:16px;border-radius:3px}.cl-skeleton{padding-bottom:24px}.cl-skeleton-card{width:calc(var(--cl-card-w) * 1%);margin:4px auto 0}.cl-skeleton-cover{aspect-ratio:1/1;border-radius:14px 14px 0 0}.cl-skeleton-meta{height:50px;border-radius:0 0 14px 14px;margin-top:1px}.cl-skeleton-dots{display:flex;justify-content:center;gap:6px;margin-top:10px}.cl-skeleton-dots span{width:6px;height:6px;border-radius:50%}@media(max-width:600px){:root{--cl-card-w:88}.cl-card{flex:0 0 88%}.dash-wrap{padding:24px 16px 60px}.lesson-topbar{padding:0 16px;flex-direction:row;align-items:center;gap:12px;min-height:48px}.lesson-topbar-row1{display:contents}.lesson-title-center{display:none}.lesson-back{order:1}.lesson-topbar-row2{order:2;flex:1;padding:0}.lesson-tool-btn{order:3}.lesson-back-label,.lesson-tool-label{display:none}.lesson-tool-btn--label{width:28px;padding:0;gap:0}.drill-topbar .lm-menu{margin-left:auto;order:3}.btn-slide-back span,.btn-quiz-retry span{display:none}.btn-slide-back,.btn-quiz-retry{padding:10px 13px}.sp-toolbar{flex-direction:column;gap:6px;padding:8px 10px}.sp-toolbar .sp-divider{display:none}.sp-row{display:flex;align-items:center;gap:4px;justify-content:space-between}.sp-group{justify-content:center}.sp-tool-btn,.sp-action-btn,.sp-drag-handle,.sp-close-btn{width:40px;height:40px;border-radius:10px}.sp-color-btn{width:26px;height:26px}}.crs-body,.tp-hero,.tp-spine,.lnd-hero,.lnd-footer{max-width:var(--page-max);margin-left:auto;margin-right:auto}.lesson-stage{max-width:var(--page-max);margin:0 auto}.lesson-topbar-row1,.lesson-topbar-row2{max-width:var(--page-max);margin:0 auto;width:100%}.dash-wrap{max-width:var(--page-max)}.page-card{max-width:var(--page-max);margin:0 auto;width:100%}@media(min-width:700px){.page-card{border-left:1px solid var(--border);border-right:1px solid var(--border);border-radius:16px;box-shadow:0 2px 24px #0000000d}}.order-move-btns{display:flex;flex-direction:column;gap:2px;margin-left:auto;flex-shrink:0;opacity:0;transition:opacity .15s}.order-item:hover .order-move-btns{opacity:1}.order-move-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--bg3);border:1px solid var(--border2);border-radius:4px;color:var(--text2);cursor:pointer;line-height:1;padding:2px 4px;font-family:DM Mono,monospace}.order-move-btn:hover{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}@media(hover:none){.order-move-btns{opacity:1}}.user-toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(8px);padding:10px 20px;border-radius:10px;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;pointer-events:none;z-index:9999;white-space:nowrap;opacity:0;transition:opacity .22s ease,transform .22s ease;box-shadow:0 4px 20px #0000002e}.user-toast-visible{opacity:1;transform:translate(-50%) translateY(0)}.user-toast-ok{background:var(--bg3);color:var(--text);border:1px solid var(--border2)}.user-toast-err{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}.user-toast-sticky{pointer-events:auto;display:flex;align-items:center;gap:14px}.user-toast-retry,.user-toast-close{border:none;background:none;font:inherit;color:inherit;cursor:pointer;padding:0}.user-toast-retry{font-weight:600;text-decoration:underline}.user-toast-close{font-size:18px;line-height:1;opacity:.7}.user-toast-close:hover{opacity:1}.recap-card{max-width:380px;margin:24px auto;background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:26px 22px;display:flex;flex-direction:column;align-items:center;text-align:center}.recap-ring{margin-bottom:12px}.recap-ring-track{stroke:var(--border2)}.recap-ring-fill{stroke:var(--green);transition:stroke-dashoffset .7s cubic-bezier(.4,0,.2,1)}.recap-ring-num{fill:var(--text);font-size:24px;font-weight:600}.recap-ring-sub{fill:var(--text3);font-size:11px}.recap-title{font-size:var(--fs);font-weight:600;color:var(--text)}.recap-lesson{font-size:var(--fs-sm);color:var(--text2);margin-bottom:16px}.recap-chips{display:flex;gap:10px;margin-bottom:18px}.recap-chip{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;background:var(--bg3);border-radius:999px;font-size:var(--fs-sm);font-weight:600;color:var(--text)}.recap-chip .recap-bolt{color:var(--accent);display:inline-flex}.recap-chip .recap-up{color:var(--green);display:inline-flex}.recap-chip-time{color:var(--text2)}.recap-next{width:100%;text-align:left;border-top:1px solid var(--border);padding-top:14px;margin-bottom:16px}.recap-next-label{font-size:var(--fs-xs);color:var(--text3);margin-bottom:6px}.recap-next-row{display:flex;align-items:center;gap:8px;font-size:var(--fs-sm);font-weight:600;color:var(--text)}.recap-next-arrow{margin-left:auto;color:var(--text3);display:inline-flex}.recap-finished{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border-top:1px solid var(--border);padding-top:14px;margin-bottom:16px;font-size:var(--fs-sm);font-weight:600;color:var(--text)}.recap-finished svg{color:var(--green)}.recap-continue{width:100%;margin-top:4px}@keyframes lm-card-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.slide-card,.recap-card{animation:lm-card-enter .28s cubic-bezier(.22,1,.36,1)}@media(prefers-reduced-motion:reduce){.slide-card,.recap-card{animation:none}}.slide:focus{outline:none}.verify-email-banner{width:100%;background:var(--accent);color:#fff;font-size:var(--fs-sm);text-align:center;padding:7px 16px;box-sizing:border-box;line-height:1.4}.verify-email-banner-link{color:#fff;font-weight:600;text-decoration:underline;margin-left:6px}.verify-email-banner-link:hover{opacity:.85}.stg-page{width:100%;max-width:940px;margin:0 auto;padding:48px 24px 100px;box-sizing:border-box}.stg-heading{font-family:Manrope,sans-serif;font-size:var(--fs-h3);color:var(--text);margin-bottom:32px}.stg-layout{display:flex;gap:28px;align-items:flex-start}.stg-tabs{flex-shrink:0;width:176px;display:flex;flex-direction:column;gap:2px;align-self:flex-start}.stg-tab{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:10px;border:2px solid transparent;background:transparent;color:var(--text2);font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;cursor:pointer;text-align:left;transition:background .13s,color .13s;width:100%;box-sizing:border-box}.stg-tab:hover{background:var(--bg3);color:var(--text)}.stg-tab.active{background:var(--accent-bg);color:var(--accent);border-color:transparent}.stg-tab-icon{font-size:var(--fs-sm);flex-shrink:0}.stg-tab-select-wrap,.stg-tab-select{display:none}.stg-panel{flex:1;min-width:0;max-width:700px}.stg-tab-panel{display:none;flex-direction:column;gap:16px}.stg-tab-panel.active{display:flex}.stg-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;overflow:hidden}.stg-card-title{font-size:var(--fs-xs);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--text3);padding:14px 22px 12px;border-bottom:1px solid var(--border)}.stg-row{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--border);gap:16px}.stg-row:last-child{border-bottom:none}.stg-row-left{display:flex;flex-direction:column;gap:2px;min-width:0}.stg-row-label{font-size:var(--fs-sm);font-weight:500;color:var(--text2)}.stg-row-value{font-size:var(--fs-sm);color:var(--text);word-break:break-all}.stg-row-sub{font-size:var(--fs-xs);color:var(--text3);margin-top:1px}.stg-row-right{flex-shrink:0}.stg-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:var(--fs-xs);font-weight:600}.stg-badge.free{background:var(--bg3);color:var(--text2)}.stg-badge.member{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border)}.stg-badge.admin{background:var(--red-bg);color:var(--red);border:1px solid rgba(244,107,107,.28)}.stg-card.warn{border-color:#eab30859}[data-theme=light] .stg-card.warn{border-color:#a17a0047}.stg-card.warn .stg-card-title{color:var(--warn);border-bottom-color:#eab30826;background:#eab30812}[data-theme=dark] .stg-card.warn .stg-card-title{background:#eab30814}.btn-resend-verify{background:#eab30826;border:1px solid rgba(234,179,8,.4);color:#c9a227;padding:7px 15px;border-radius:8px;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;cursor:pointer;transition:background .14s;white-space:nowrap}.btn-resend-verify:hover{background:#eab30840}.btn-resend-verify:disabled{opacity:.5;cursor:not-allowed}.stg-card.danger{border-color:#f46b6b47}[data-theme=light] .stg-card.danger{border-color:#b52a2a38}.stg-card.danger .stg-card-title{color:var(--red);border-bottom-color:#f46b6b26;background:var(--red-bg)}.stg-delete-confirm{display:none;flex-direction:column;gap:12px;padding:18px 22px;background:var(--red-bg);border-top:1px solid rgba(244,107,107,.15)}.stg-delete-confirm.visible{display:flex}.stg-delete-confirm p{font-size:var(--fs-sm);color:var(--text2);line-height:1.6;margin:0}.stg-delete-confirm strong{color:var(--red)}.stg-delete-confirm input{width:100%;padding:9px 12px;border-radius:8px;border:1px solid rgba(244,107,107,.35);background:var(--bg2);color:var(--text);font-size:var(--fs-sm);font-family:var(--font-body);outline:none;box-sizing:border-box}.stg-delete-confirm input:focus{border-color:var(--red)}.stg-delete-btns{display:flex;gap:10px}.stg-empty{padding:48px 22px;text-align:center;color:var(--text3);font-size:var(--fs-sm);line-height:1.7}.stg-empty-icon{font-size:var(--fs-h3);margin-bottom:10px}.stg-theme-row{display:flex;gap:6px;flex-wrap:wrap}.stg-choice-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:8px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:var(--fs-sm);font-family:var(--font-body);cursor:pointer;transition:background .13s,color .13s,border-color .13s;white-space:nowrap}.stg-choice-btn:hover{background:var(--bg4);color:var(--text)}.stg-choice-btn.active{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-border)}.stg-font-s{font-size:11px}.stg-font-m{font-size:var(--fs-sm)}.stg-font-l{font-size:var(--fs)}.stg-toggle{position:relative;display:inline-block;width:44px;height:26px;flex-shrink:0;cursor:pointer}.stg-toggle input{opacity:0;width:0;height:0;position:absolute}.stg-toggle-track{position:absolute;inset:0;border-radius:13px;background:var(--border2);transition:background .2s}.stg-toggle input:checked~.stg-toggle-track{background:var(--accent)}.stg-toggle-thumb{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .2s}.stg-toggle input:checked~.stg-toggle-thumb{transform:translate(18px)}@media(max-width:620px){.stg-page{padding:24px 16px 80px}.stg-heading{margin-bottom:20px}.stg-layout{flex-direction:column;gap:0}.stg-tabs{display:none}.stg-tab-select-wrap{display:block;position:relative;width:100%;margin-bottom:20px;border-radius:12px;border:1px solid var(--border2);background:var(--bg2);overflow:hidden;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.stg-tab-select{display:block;width:100%;padding:12px 40px 12px 14px;border:none;outline:none;background:var(--bg2);color:var(--text);font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;appearance:none;-webkit-appearance:none;cursor:pointer;box-sizing:border-box}.stg-tab-select-wrap:focus-within{outline:2px solid var(--accent);outline-offset:2px;border-radius:12px}.stg-panel{max-width:100%;width:100%}.stg-row{flex-wrap:wrap;gap:12px}.stg-row-right{width:100%}.stg-delete-btns{flex-wrap:wrap}}.stg-inline-form{padding:16px 22px 20px;border-top:1px solid var(--border)}.stg-inline-fg{margin-bottom:12px}.stg-inline-lbl{display:block;font-size:var(--fs-xs);font-weight:600;font-family:var(--font-body);letter-spacing:.07em;text-transform:uppercase;color:var(--text3);margin-bottom:5px}.stg-inline-inp{width:100%;padding:9px 12px;background:var(--bg);border:1px solid var(--border2);border-radius:8px;color:var(--text);font-size:var(--fs-sm);font-family:var(--font-body);outline:none;box-sizing:border-box;transition:border-color .14s}.stg-inline-inp:focus{border-color:var(--accent-border);background:var(--bg2)}.stg-inline-inp::placeholder{color:var(--text3)}.stg-inline-err{font-size:var(--fs-xs);color:var(--red);margin-top:8px;padding:8px 12px;background:var(--red-bg);border:1px solid rgba(244,107,107,.25);border-radius:6px}.stg-inline-ok{font-size:var(--fs-xs);color:#4caf7d;margin-top:8px;padding:8px 12px;background:#4caf5014;border:1px solid rgba(76,175,80,.25);border-radius:6px}.stg-inline-btns{display:flex;gap:8px;margin-top:14px}.session-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--border)}.session-row:last-child{border-bottom:none}.session-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.session-field{display:flex;align-items:baseline;gap:8px;min-width:0}.session-field-lbl{font-size:var(--fs-xs);font-weight:500;font-family:DM Mono,monospace;letter-spacing:.05em;text-transform:uppercase;color:var(--text3);flex-shrink:0;width:80px}.session-field-val{font-size:var(--fs-sm);color:var(--text);word-break:break-all;line-height:1.4}.session-logout-btn{flex-shrink:0;padding-top:2px}.session-this-device{display:inline-block;padding:7px 15px;border-radius:8px;font-size:var(--fs-sm);font-family:var(--font-body);font-weight:500;white-space:nowrap;background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border);cursor:default}.boot-error{display:flex;align-items:center;justify-content:center;height:100vh;gap:12px;font-size:var(--fs);color:var(--text2);font-family:var(--font-body)}.boot-error button{padding:6px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg2);color:var(--text);cursor:pointer;font-size:var(--fs-sm)}.boot-error button:hover{background:var(--bg3)}.seg-spinner{width:36px;height:36px;border-radius:50%;border:4px solid var(--border);border-top-color:var(--accent);border-right-color:var(--accent);animation:segSpin 1s cubic-bezier(.5,.15,.5,.85) infinite}@keyframes segSpin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.seg-spinner{animation-duration:2.4s}}.slide-widget-wrap{position:relative}.widget-spinner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.boot-splash{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg);opacity:1;transition:opacity .4s ease}.boot-splash--hide{opacity:0;pointer-events:none}.boot-splash-inner{display:flex;flex-direction:column;align-items:center;gap:20px}.boot-mascot{width:104px;height:104px;animation:bootBob 2.4s ease-in-out infinite}.boot-mascot .nl-ears-l,.boot-mascot .nl-ears-r{transform-box:fill-box;transform-origin:center bottom}.boot-mascot .nl-ears-l{animation:bootEarL 2.4s ease-in-out infinite}.boot-mascot .nl-ears-r{animation:bootEarR 2.4s ease-in-out infinite}.boot-splash-name{font-family:Manrope,sans-serif;font-size:1.7rem;letter-spacing:-.01em;color:var(--text)}@keyframes bootBob{0%,to{transform:translateY(0)}50%{transform:translateY(-9px)}}@keyframes bootEarL{0%,to{transform:rotate(0)}50%{transform:rotate(-10deg)}}@keyframes bootEarR{0%,to{transform:rotate(0)}50%{transform:rotate(10deg)}}@media(prefers-reduced-motion:reduce){.boot-mascot,.boot-mascot .nl-ears-l,.boot-mascot .nl-ears-r{animation:none}}.slide-fallback-badge{display:flex;align-items:center;gap:8px;background:var(--warning-bg);color:var(--warning-text);border:1px solid var(--warning-border);border-radius:6px;font-size:var(--fs-sm);padding:6px 10px;margin-bottom:12px}.slide-fallback-close{display:inline-flex;align-items:center;background:none;border:none;cursor:pointer;color:inherit;font-size:14px;padding:0 2px;opacity:.7;margin-left:auto}.slide-fallback-close:hover{opacity:1}.tp-hero{padding:32px 56px 26px;background:var(--bg2);border-bottom:1px solid var(--border)}.tp-hero-main{display:flex;align-items:flex-start;gap:20px;margin-top:14px}.tp-hero-cover-col{display:flex;flex-direction:column;align-items:center;gap:8px;flex-shrink:0}.tp-cover{width:112px;height:112px;border-radius:16px;overflow:hidden;flex-shrink:0;border:1px solid var(--border2);background:var(--bg3)}.tp-cover img{width:100%;height:100%;object-fit:contain;display:block}.tp-cover-dark,[data-theme=dark] .tp-cover-light{display:none}[data-theme=dark] .tp-cover-dark{display:block}.tp-cover--ph{display:flex;align-items:center;justify-content:center;background:var(--accent-bg);border-color:var(--accent-border)}.tp-cover--ph span{font-family:DM Mono,monospace;font-size:22px;color:var(--accent2);text-transform:uppercase}.tp-hero-text{flex:1;min-width:0}.tp-eyebrow{font-family:DM Mono,monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);margin-bottom:5px}.tp-title{font-family:Manrope,sans-serif;font-size:var(--fs-h3);font-weight:300;color:var(--text);line-height:1.12}.tp-desc{font-size:var(--fs-sm);color:var(--text2);max-width:520px;margin-top:8px;line-height:1.6}.tp-prog-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:18px}.tp-prog-bar{flex:1;max-width:320px;height:4px;background:var(--bg4);border-radius:2px;overflow:hidden}.tp-prog-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));width:0;transition:width .3s ease}.tp-prog-label{flex-basis:100%;font-family:DM Mono,monospace;font-size:12px;color:var(--text3);white-space:nowrap}.tp-prog-row.is-done .tp-prog-fill{background:var(--green)}.tp-spine{position:relative;padding:14px 56px 40px 32px}.tp-spine:before{content:"";position:absolute;left:64px;top:30px;bottom:36px;width:2px;background:var(--border2)}.tp-section{position:relative}.tp-sec-head{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;padding:16px 0;cursor:pointer;position:sticky;top:0;z-index:2;background:var(--bg);border-top:1px solid var(--border)}.tp-sec-tail{display:flex;align-items:center;gap:10px;justify-self:end}.tp-section:first-child .tp-sec-head{border-top:none}.tp-sec-cover{position:relative;justify-self:center;width:64px;height:64px;border-radius:13px;overflow:hidden;background:var(--bg3);border:1px solid var(--border2);z-index:1}.tp-sec-cover img{width:100%;height:100%;object-fit:contain;display:block}.tp-sec-cover--ph{background-color:var(--bg4)}.tp-sec-cover--ph:not(.is-teal):not(.is-gold){background-color:var(--bg);background-image:linear-gradient(var(--accent-bg),var(--accent-bg));border-color:var(--accent-border)}.tp-sec-cover--ph.is-teal{background-color:var(--bg);background-image:linear-gradient(var(--teal-bg),var(--teal-bg));border-color:var(--teal-border)}.tp-sec-cover--ph.is-gold{background-color:var(--bg);background-image:linear-gradient(var(--gold-bg),var(--gold-bg));border-color:var(--gold-border)}.tp-sec-cover.done{border-color:var(--green-border)}.tp-sec-cover.cur{border-color:var(--accent-border)}.tp-sec-check{flex:0 0 auto;align-items:center;gap:3px;padding:2px 8px 2px 6px;border-radius:999px;background:var(--green-bg);color:var(--green);font-family:DM Mono,monospace;font-size:11px;line-height:1;display:none}.tp-section.done .tp-sec-check{display:inline-flex}.tp-sec-meta{min-width:0}.tp-sec-title{display:flex;align-items:center;gap:8px;font-family:Manrope,sans-serif;font-size:18px;color:var(--text)}.tp-sec-sub{display:flex;align-items:center;gap:9px;font-family:DM Mono,monospace;font-size:11px;color:var(--text3);margin-top:5px}.tp-secbar{width:200px;max-width:100%;height:5px;border-radius:3px;background:var(--bg4);overflow:hidden;flex:0 0 auto}.tp-secbar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s}.tp-sec-cover.done~.tp-sec-meta .tp-secbar i{background:var(--green)}.tp-sec-desc{font-size:var(--fs-sm);color:var(--text3);line-height:1.5;margin-top:5px;max-width:480px}.tp-sec-chev{color:var(--text3);font-size:16px;align-self:center;transition:transform .2s ease}.tp-section[data-expanded="0"] .tp-sec-chev{transform:rotate(-90deg)}.tp-sec-lessons{padding-bottom:8px}.tp-section[data-expanded="0"] .tp-sec-lessons{display:none}.tp-loading{font-size:var(--fs-sm);color:var(--text3);padding:8px 0 8px 80px}.tp-row{position:relative;display:grid;grid-template-columns:64px 1fr;align-items:center;gap:16px;margin-bottom:10px;cursor:pointer}.tp-node{justify-self:center;position:relative;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:DM Mono,monospace;font-size:16px;background:var(--bg3);border:1px solid var(--border2);color:var(--text3);z-index:1}.tp-row.done .tp-node{background-color:var(--bg);background-image:linear-gradient(var(--green-bg),var(--green-bg));border-color:var(--green-border);color:var(--green)}.tp-row.cur .tp-node{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-bg)}.tp-row.mastery .tp-node{background-color:var(--bg);background-image:linear-gradient(var(--gold-bg),var(--gold-bg));border-color:var(--gold-border);color:var(--gold)}.tp-row.teal.cur .tp-node{background:var(--teal);border-color:var(--teal);box-shadow:0 0 0 4px var(--teal-bg)}.tp-card{position:relative;background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:12px 16px;display:flex;align-items:center;gap:12px;transition:border-color .15s}.tp-row:hover .tp-card{border-color:var(--border2)}.tp-row.cur .tp-card{border-color:var(--accent-border);background:linear-gradient(135deg,var(--accent-bg),var(--bg2));box-shadow:0 0 0 3px var(--accent-bg)}.tp-row.cur .tp-card:before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(315deg,var(--accent-bg),var(--bg2));opacity:0;transition:opacity .3s;pointer-events:none;z-index:0}.tp-row.cur:hover .tp-card:before{opacity:1}.tp-row.cur .tp-card>*{position:relative;z-index:1}.tp-row.teal.cur .tp-card{background:linear-gradient(135deg,var(--teal-bg),var(--bg2));box-shadow:0 0 0 3px var(--teal-bg)}.tp-row.teal.cur .tp-card:before{background:linear-gradient(315deg,var(--teal-bg),var(--bg2))}.tp-row.mastery .tp-card{background:linear-gradient(135deg,var(--gold-bg),var(--bg2));border-color:var(--gold-border)}.tp-row-main{flex:1;min-width:0}.tp-row-title{font-size:15px;font-weight:500;color:var(--text)}.tp-row-sub{font-family:DM Mono,monospace;font-size:11px;color:var(--text3);margin-top:2px}.tp-row-action{flex-shrink:0}.tp-continue{display:inline-flex;align-items:center;gap:3px;font-family:DM Mono,monospace;font-size:12px;color:var(--accent2)}.tp-chip{font-family:DM Mono,monospace;font-size:11px;padding:4px 10px;border-radius:20px;border:1px solid var(--border);background:var(--bg4);color:var(--text3);white-space:nowrap}.tp-chip.done{background:var(--green-bg);color:var(--green);border-color:var(--green-border)}.lm-ic{display:inline-block;vertical-align:middle;flex-shrink:0}.lm-reset{transition:transform .5s cubic-bezier(.4,0,.2,1)}@media(prefers-reduced-motion:no-preference){.lm-star{animation:lm-twinkle 4s ease-in-out infinite}.lm-draw{stroke-dasharray:24;animation:lm-draw-in .5s ease-out}}.lm-arrow{transition:transform .2s ease}.cl-card:hover .lm-arrow,.dash-view-all:hover .lm-arrow{transform:translate(3px)}@keyframes lm-twinkle{0%,to{opacity:1}50%{opacity:.7}}@keyframes lm-draw-in{0%{stroke-dashoffset:24}to{stroke-dashoffset:0}}.tp-row--more{cursor:pointer}.tp-node--more{border-style:dashed;color:var(--text3);font-size:18px;font-weight:300}.tp-row--more:hover .tp-node{border-color:var(--accent-border);color:var(--accent2)}.tp-row--more:hover .tp-card{border-color:var(--accent-border)}.tp-row--more .tp-row-title{color:var(--text3)}.tp-row--more.is-loading{opacity:.5;pointer-events:none}.tracks-more-card{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:22px;margin-top:8px;background:none;border:1px dashed var(--border2);border-radius:var(--lm-r-lg);color:var(--text3);cursor:pointer;font:inherit;transition:border-color .2s,color .2s,background .2s}.tracks-more-card:hover{border-color:var(--accent-border);color:var(--accent2);background:var(--bg2)}.tracks-more-card .tracks-more-plus{font-size:22px;font-weight:200;line-height:1}.tracks-more-card .tracks-more-label{font-size:var(--fs-sm);font-weight:500}.tracks-more-card.is-loading{opacity:.5;pointer-events:none}@media(max-width:720px){.tp-hero{padding:22px 20px 18px}.tp-hero-main{gap:14px;margin-top:10px}.tp-cover{width:72px;height:72px;border-radius:13px}.tp-desc{font-size:var(--fs-sm)}.tp-spine{padding:10px 20px 36px}.tp-spine:before{left:44px}.tp-sec-head{grid-template-columns:48px 1fr auto;gap:12px}.tp-sec-cover{width:48px;height:48px;border-radius:11px}.tp-sec-title{font-size:16px}.tp-row{grid-template-columns:48px 1fr;gap:12px}.tp-loading{padding-left:62px}.tp-sec-desc,.tp-row-sub{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}}.track-switcher{display:none}.track-switcher .ts-rail{display:flex;gap:6px;overflow-x:auto;padding:8px 12px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.track-switcher .ts-rail::-webkit-scrollbar{display:none}.ts-item{flex-shrink:0;width:64px;display:flex;flex-direction:column;align-items:center;gap:5px;background:none;border:none;padding:0;cursor:pointer}.ts-cover{width:42px;height:42px;border-radius:11px;overflow:hidden;background:var(--bg3);border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;transition:border-color .18s,background .18s}.ts-cover img{width:100%;height:100%;object-fit:contain;display:block}.ts-cover .tp-cover-dark,[data-theme=dark] .ts-cover .tp-cover-light{display:none}[data-theme=dark] .ts-cover .tp-cover-dark{display:block}.ts-cover-ph{font-family:DM Mono,monospace;font-size:14px;color:var(--text3);text-transform:uppercase}.ts-label{font-family:DM Mono,monospace;font-size:10px;color:var(--text3);max-width:60px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .18s}.ts-item:before{content:"";display:block;width:100%;height:2px;border-radius:1px;background:var(--accent);margin-bottom:2px;transform:scaleX(0);opacity:0;transition:transform .18s ease,opacity .18s ease}.ts-item.is-active .ts-cover{border-color:var(--accent-border);background:var(--accent-bg)}.ts-item.is-active .ts-label{color:var(--accent2)}.ts-item.is-active:before{transform:scaleX(1);opacity:1}.ts-cover--more{font-size:22px;font-weight:300;color:var(--text3);border-style:dashed;background:none}.ts-item--more.is-loading{opacity:.5;pointer-events:none}@media(max-width:720px){#view-courses.active~.track-switcher{display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--bg2);border-top:1px solid var(--border2);padding-bottom:env(safe-area-inset-bottom,0)}}.crs-mobile{padding:2px 0 112px}.crs-m-title{font-family:Manrope,sans-serif;font-size:var(--fs-h3);font-weight:300;color:var(--text);line-height:1.12;margin:2px 2px 8px}.crs-mobile .track-tag-row{margin:0 2px 14px}.crs-m-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.crs-m-grid .lm-card{--lm-card-art-ratio:1/1}