/* V43 — Learning experience simplification
   Clear hierarchy, real cover ratios, restrained states, no fixed mobile controls. */
.learning43{
  --l43-ink:#191916;
  --l43-muted:#6f6e67;
  --l43-line:#e3e1d9;
  --l43-paper:#f7f6f2;
  --l43-surface:#fff;
  --l43-soft:#efeee9;
  --l43-yellow:var(--yellow,#f1d113);
  --l43-green:#287454;
  --l43-green-soft:#e9f4ee;
  color:var(--l43-ink);
  background:var(--l43-paper);
}
.learning43 *,.learning43 *:before,.learning43 *:after{box-sizing:border-box}
.learning43 a{text-decoration:none}
.learning43 button,.learning43 input,.learning43 textarea{font:inherit}
.learning43 .breadcrumb{font-size:12px;color:var(--l43-muted)}
.learning43 .breadcrumb a{color:inherit}
.learning43 .breadcrumb span+span:before{content:"/";margin-inline:8px;color:#aaa79d}
.learning43 .btn{min-height:48px;border-radius:13px;padding-inline:20px}
.learning43 .btn-primary{background:var(--l43-ink);border-color:var(--l43-ink);color:#fff}
.learning43 .btn-primary:hover{background:#000;transform:translateY(-1px)}
.learning43 :focus-visible{outline:3px solid rgba(241,209,19,.75);outline-offset:3px}

/* ---------- Path hero ---------- */
.lp43-hero{padding:112px 0 52px;background:linear-gradient(180deg,#fbfaf7 0%,var(--l43-paper) 100%)}
.lp43-breadcrumb{margin-bottom:16px}
.lp43-hero-card{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:44px;align-items:center;
  padding:clamp(28px,4vw,52px);border:1px solid var(--l43-line);border-radius:30px;background:#fff;
  box-shadow:0 22px 70px rgba(24,24,20,.08);
}
.lp43-kicker{display:flex;align-items:center;gap:9px;margin-bottom:14px;color:var(--l43-muted);font-size:13px;font-weight:700}
.lp43-kicker b{padding:5px 9px;border-radius:999px;background:#f6f0c8;color:#665a00;font-size:11px}
.lp43-hero h1{max-width:760px;margin:0;font-size:clamp(38px,4.5vw,62px);line-height:1.28;letter-spacing:-.04em}
.lp43-lead{max-width:720px;margin:18px 0 0;color:var(--l43-muted);font-size:clamp(15px,1.35vw,18px);line-height:2}
.lp43-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.lp43-stats span{padding:7px 11px;border:1px solid var(--l43-line);border-radius:999px;background:#faf9f6;color:#55544e;font-size:12px;white-space:nowrap}
.lp43-hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:25px}
.lp43-primary-cta{display:inline-flex;gap:10px}
.lp43-outline-link{color:var(--l43-ink);font-size:13px;font-weight:800;border-bottom:1px solid #bdb9ad;padding-bottom:3px}
.lp43-outline-link:hover{border-color:var(--l43-ink)}
.lp43-hero-media{
  position:relative;isolation:isolate;margin:0;display:grid;place-items:center;aspect-ratio:16/10;
  border:1px solid var(--l43-line);border-radius:24px;background:#f0eee7;overflow:hidden;
}
.lp43-cover-back{position:absolute;inset:-8%;width:116%;height:116%;object-fit:cover;filter:blur(24px);opacity:.32;transform:scale(1.06)}
.lp43-cover-main{position:relative;z-index:1;width:100%;height:100%;padding:14px;object-fit:contain;filter:drop-shadow(0 12px 28px rgba(0,0,0,.14))}
.lp43-path-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}
.lp43-path-facts>div{padding:20px 22px;border:1px solid var(--l43-line);border-radius:18px;background:rgba(255,255,255,.72)}
.lp43-path-facts span{display:block;margin-bottom:6px;font-size:12px;font-weight:850}
.lp43-path-facts p{margin:0;color:var(--l43-muted);font-size:13px;line-height:1.95}

/* ---------- Path outline ---------- */
.lp43-content{padding:58px 0 92px}
.lp43-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px;align-items:start}
.lp43-main{min-width:0}
.lp43-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:22px}
.lp43-section-heading>div>span{display:block;margin-bottom:6px;color:#6a5680;font-size:12px;font-weight:850}
.lp43-section-heading h2{margin:0;font-size:clamp(28px,3vw,40px);letter-spacing:-.03em}
.lp43-section-heading>p{max-width:430px;margin:0;color:var(--l43-muted);font-size:13px;line-height:1.9}
.lp43-tools{margin-bottom:16px;border:1px solid var(--l43-line);border-radius:16px;background:#fff;overflow:hidden}
.lp43-tools>summary{position:relative;display:flex;align-items:center;gap:12px;min-height:54px;padding:0 17px;cursor:pointer;list-style:none;font-size:13px;font-weight:800}
.lp43-tools>summary::-webkit-details-marker{display:none}
.lp43-tools>summary small{margin-inline-start:auto;color:var(--l43-muted);font-size:11px;font-weight:600}
.lp43-tools>summary i{position:relative;width:18px;height:18px}
.lp43-tools>summary i:before,.lp43-tools>summary i:after{content:"";position:absolute;top:50%;left:50%;width:9px;height:1.5px;background:currentColor;transition:.18s}
.lp43-tools>summary i:before{transform:translate(-72%,-50%) rotate(45deg)}
.lp43-tools>summary i:after{transform:translate(-18%,-50%) rotate(-45deg)}
.lp43-tools[open]>summary i:before{transform:translate(-72%,-50%) rotate(-45deg)}
.lp43-tools[open]>summary i:after{transform:translate(-18%,-50%) rotate(45deg)}
.lp43-toolbar{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:12px;padding:0 14px 14px;border-top:1px solid #efede7}
.lp43-search{display:flex;align-items:center;gap:9px;min-height:44px;margin-top:14px;padding:0 13px;border:1px solid var(--l43-line);border-radius:11px;background:#faf9f6;color:var(--l43-muted)}
.lp43-search input{width:100%;border:0;outline:0;background:transparent;color:var(--l43-ink);font-size:13px}
.lp43-filters{display:flex;align-items:center;gap:5px;margin-top:14px}
.lp43-filters button{min-height:38px;padding:7px 10px;border:0;border-radius:9px;background:transparent;color:var(--l43-muted);font-size:11px;cursor:pointer;white-space:nowrap}
.lp43-filters button:hover{background:var(--l43-soft);color:var(--l43-ink)}
.lp43-filters button.is-active{background:var(--l43-ink);color:#fff}
.lp43-empty{margin:16px 0;padding:28px;border:1px dashed #ccc9be;border-radius:16px;text-align:center;background:#fff}
.lp43-empty strong{display:block;font-size:17px}.lp43-empty p{margin:6px 0 0;color:var(--l43-muted);font-size:13px}
.lp43-chapters{display:grid;gap:12px}
.lp43-chapter{border:1px solid var(--l43-line);border-radius:18px;background:#fff;overflow:hidden}
.lp43-chapter[hidden]{display:none}
.lp43-chapter-head{display:grid;grid-template-columns:40px minmax(0,1fr) 30px;gap:14px;align-items:center;min-height:82px;padding:15px 18px;cursor:pointer;list-style:none}
.lp43-chapter-head::-webkit-details-marker{display:none}
.lp43-chapter-number{display:grid;place-items:center;width:40px;height:40px;border:1px solid #d8d5cb;border-radius:12px;background:#faf9f6;font-size:15px;font-weight:850}
.lp43-chapter-copy{min-width:0}
.lp43-chapter-copy strong{display:block;font-size:18px;line-height:1.55}
.lp43-chapter-copy small{display:block;margin-top:3px;color:var(--l43-muted);font-size:12px;line-height:1.6}
.lp43-chapter-copy small b{font-weight:700;color:#57564f}
.lp43-chapter-chevron{position:relative;width:28px;height:28px;border-radius:9px;background:var(--l43-soft)}
.lp43-chapter-chevron:before,.lp43-chapter-chevron:after{content:"";position:absolute;top:50%;width:8px;height:1.7px;border-radius:2px;background:var(--l43-ink);transition:.2s}
.lp43-chapter-chevron:before{left:7px;transform:rotate(45deg)}
.lp43-chapter-chevron:after{right:7px;transform:rotate(-45deg)}
.lp43-chapter[open] .lp43-chapter-chevron:before{transform:rotate(-45deg)}
.lp43-chapter[open] .lp43-chapter-chevron:after{transform:rotate(45deg)}
.lp43-chapter[open] .lp43-chapter-head{border-bottom:1px solid var(--l43-line)}
.lp43-chapter[open] .lp43-chapter-number{background:var(--l43-yellow);border-color:var(--l43-yellow)}
.lp43-chapter-description{padding:13px 18px 12px;color:var(--l43-muted);font-size:12px;line-height:1.9;border-bottom:1px solid #efede7}
.lp43-lessons{padding:4px 14px 10px}
.lp43-lesson{display:grid!important;grid-template-columns:28px minmax(0,1fr) auto 20px!important;gap:12px!important;align-items:center!important;min-height:70px;padding:11px 8px!important;border:0!important;color:var(--l43-ink);transition:.16s}
.lp43-lesson+.lp43-lesson{border-top:1px solid #efede7!important}
.lp43-lesson:hover{background:#faf9f6!important;transform:none!important}
.lp43-lesson[hidden]{display:none!important}
.lp43-lesson-state{display:grid;place-items:center;width:26px;height:26px;border:1.5px solid #cecbbf;border-radius:50%;background:#fff}
.lp43-lesson-state i{width:7px;height:7px;border-radius:50%;background:#cecbbf}
.lp43-lesson-copy{min-width:0}
.lp43-lesson-copy small{display:block;margin-bottom:1px;color:#8c8a81;font-size:11px}
.lp43-lesson-copy strong{display:block;font-size:14px;line-height:1.65}
.lp43-lesson-meta{display:flex;align-items:center;gap:10px;color:var(--l43-muted);font-size:11px;white-space:nowrap}
.lp43-lesson-meta b{font-weight:650;color:#76746c}
.lp43-lesson-arrow{font-size:17px;color:#aaa79d;transition:.16s}
.lp43-lesson:hover .lp43-lesson-arrow{transform:translateX(-3px);color:var(--l43-ink)}
.lp43-lesson.is-started .lp43-lesson-state{border-color:#aa8d00;background:#fff8c9}.lp43-lesson.is-started .lp43-lesson-state i{background:#aa8d00}.lp43-lesson.is-started [data-lesson-status]{color:#846f00}
.lp43-lesson.is-current{background:#fffdf0!important;box-shadow:inset -3px 0 0 var(--l43-yellow)}
.lp43-lesson.is-complete .lp43-lesson-state{border-color:var(--l43-green);background:var(--l43-green-soft)}
.lp43-lesson.is-complete .lp43-lesson-state i{display:none}.lp43-lesson.is-complete .lp43-lesson-state:after{content:"✓";color:var(--l43-green);font-size:13px;font-weight:900}.lp43-lesson.is-complete [data-lesson-status]{color:var(--l43-green)}
.lp43-sidebar{position:sticky;top:104px;display:grid;gap:12px}
.lp43-progress-card{padding:22px;border:1px solid var(--l43-line);border-radius:18px;background:#fff}
.lp43-progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.lp43-progress-head span{font-size:12px;font-weight:800}.lp43-progress-head strong{font-size:23px}
.lp43-progress-track{height:7px;margin:13px 0 9px;border-radius:999px;background:#ebe9e2;overflow:hidden}.lp43-progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:var(--l43-yellow);transition:width .3s}
.lp43-progress-card>p{margin:0;color:var(--l43-muted);font-size:11px}
.lp43-current{margin-top:15px;padding:12px;border-radius:11px;background:#f8f7f3}.lp43-current small{display:block;color:var(--l43-muted);font-size:10px}.lp43-current strong{display:block;margin-top:4px;font-size:12px;line-height:1.75}
.lp43-progress-card .btn{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:16px;font-size:12px}
.lp43-device-note{display:block;margin-top:11px;color:#89877f;font-size:10px;line-height:1.7}
.lp43-secondary-actions{display:grid;gap:4px;padding:4px 2px}
.lp43-secondary-actions button,.lp43-secondary-actions a{display:flex;align-items:center;min-height:40px;padding:0 10px;border:0;background:transparent;color:var(--l43-muted);font-size:12px;cursor:pointer;text-align:right}
.lp43-secondary-actions button:hover,.lp43-secondary-actions a:hover{color:var(--l43-ink)}
.lp43-related,.la43-related{padding:66px 0 88px;border-top:1px solid var(--l43-line);background:#f2f1ec}
.lp43-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.lp43-related-grid a{display:flex;flex-direction:column;min-height:150px;padding:18px;border:1px solid var(--l43-line);border-radius:16px;background:#fff;color:var(--l43-ink)}
.lp43-related-grid small{color:#75608b;font-size:10px;font-weight:800}.lp43-related-grid strong{margin-top:9px;font-size:14px;line-height:1.8}.lp43-related-grid> a>span{margin-top:auto;padding-top:13px;color:var(--l43-muted);font-size:11px}.lp43-related-grid a:hover{border-color:#c5c1b6;transform:translateY(-2px)}

/* ---------- Lesson page ---------- */
.la43-hero{padding:112px 0 42px;background:#fbfaf7;border-bottom:1px solid var(--l43-line)}
.la43-hero-inner{max-width:980px}
.la43-back{display:inline-flex;align-items:center;gap:7px;margin-bottom:26px;color:var(--l43-muted);font-size:12px;font-weight:700}.la43-back:hover{color:var(--l43-ink)}
.la43-context{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:11px;color:var(--l43-muted);font-size:12px}.la43-context b{padding:5px 8px;border-radius:8px;background:#efede6;color:#55534c;font-size:11px}
.la43-hero h1{max-width:900px;margin:0;font-size:clamp(38px,4.6vw,58px);line-height:1.34;letter-spacing:-.04em}
.la43-lead{max-width:780px;margin:15px 0 0;color:var(--l43-muted);font-size:16px;line-height:2}
.la43-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;color:#78766e;font-size:12px}
.la43-body{padding:46px 0 82px}
.la43-layout{display:grid;grid-template-columns:minmax(0,760px) 250px;justify-content:center;gap:42px;align-items:start}
.la43-main{min-width:0}
.la43-sidebar{position:sticky;top:104px;display:grid;gap:12px}
.la43-objective{margin-bottom:30px;padding:16px 18px;border-right:4px solid var(--l43-yellow);border-radius:0 12px 12px 0;background:#fffdf1}
.la43-objective strong{display:block;margin-bottom:3px;font-size:13px}.la43-objective p{margin:0;color:#5f5e57;font-size:13px;line-height:1.9}
.la43-mobile-toc{display:none}
.la43-prose{font-size:17px;line-height:2.15;color:#2c2c28}
.la43-prose>p:first-child{font-size:18px;color:#3c3b36}
.la43-prose p{margin:0 0 1.25em}
.la43-prose h2{margin:2.35em 0 .7em!important;padding:0!important;font-size:30px!important;line-height:1.55!important;letter-spacing:-.025em}.la43-prose h2:before{display:none!important}
.la43-prose h3{margin:2em 0 .65em!important;font-size:22px!important;line-height:1.6!important}
.la43-prose h4{font-size:18px!important}
.la43-prose ul,.la43-prose ol{margin:1em 0 1.6em;padding-right:1.4em}.la43-prose li{margin:.45em 0}
.la43-prose blockquote{margin:2em 0;padding:17px 20px;border:0;border-right:4px solid #a99b72;border-radius:0 12px 12px 0;background:#f4f2eb;color:#45443e;font-size:16px}
.la43-prose img{display:block;max-width:100%;height:auto;margin:2.1em auto;border-radius:16px}
.la43-prose pre{max-width:100%;overflow:auto;border-radius:14px}
.la43-prose table{width:100%;min-width:620px;border-collapse:collapse;font-size:13px}
.la43-prose th,.la43-prose td{padding:12px 13px;border:1px solid var(--l43-line);text-align:right;vertical-align:top}.la43-prose th{background:#f0efe9}
.la43-table-wrap{position:relative;max-width:100%;margin:1.8em 0;overflow-x:auto;border:1px solid var(--l43-line);border-radius:14px;background:#fff;-webkit-overflow-scrolling:touch}.la43-table-wrap table{margin:0!important;border:0!important}.la43-table-hint{display:none}
.la43-reflection{margin-top:46px;border:1px solid var(--l43-line);border-radius:16px;background:#fff;overflow:hidden}
.la43-reflection>summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;padding:15px 18px;cursor:pointer;list-style:none}.la43-reflection>summary::-webkit-details-marker{display:none}
.la43-reflection>summary span{display:grid;gap:2px}.la43-reflection>summary b{font-size:14px}.la43-reflection>summary small{color:var(--l43-muted);font-size:11px;font-weight:500}
.la43-reflection>summary i,.la43-more-tools>summary:after,.la43-mobile-toc>summary i{position:relative;width:18px;height:18px}.la43-reflection>summary i:before,.la43-reflection>summary i:after,.la43-mobile-toc>summary i:before,.la43-mobile-toc>summary i:after{content:"";position:absolute;top:50%;left:50%;width:9px;height:1.5px;background:currentColor;transition:.18s}.la43-reflection>summary i:before,.la43-mobile-toc>summary i:before{transform:translate(-72%,-50%) rotate(45deg)}.la43-reflection>summary i:after,.la43-mobile-toc>summary i:after{transform:translate(-18%,-50%) rotate(-45deg)}.la43-reflection[open]>summary i:before,.la43-mobile-toc[open]>summary i:before{transform:translate(-72%,-50%) rotate(-45deg)}.la43-reflection[open]>summary i:after,.la43-mobile-toc[open]>summary i:after{transform:translate(-18%,-50%) rotate(45deg)}
.la43-reflection-content{padding:18px;border-top:1px solid var(--l43-line)}
.la43-note-field{display:grid;gap:8px}.la43-note-field>span{font-size:12px;font-weight:800}.la43-note-field textarea{width:100%;resize:vertical;min-height:130px;padding:13px 14px;border:1px solid #d7d4ca;border-radius:12px;background:#fbfaf7;color:var(--l43-ink);font-size:14px;line-height:1.9;outline:0}.la43-note-field textarea:focus{border-color:#9e9a8d;box-shadow:0 0 0 3px rgba(241,209,19,.18)}
.la43-note-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:7px}.la43-note-footer small{color:var(--l43-muted);font-size:10px}.la43-note-footer button{border:0;background:transparent;color:#9a3a37;font-size:10px;cursor:pointer}
.la43-self-check{display:grid;gap:8px;margin-top:18px;padding-top:16px;border-top:1px solid var(--l43-line)}.la43-self-check label{display:flex;align-items:flex-start;gap:9px;color:#55534c;font-size:12px;line-height:1.8}.la43-self-check input{margin-top:5px;accent-color:var(--l43-green)}
.la43-completion{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:18px;padding:20px;border:1px solid var(--l43-line);border-radius:16px;background:#fff}.la43-completion strong{display:block;font-size:15px}.la43-completion p{margin:4px 0 0;color:var(--l43-muted);font-size:11px}.la43-mark-button{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-size:12px}.la43-mark-button.is-done{background:var(--l43-green);border-color:var(--l43-green)}
.la43-lesson-nav{direction:rtl;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px}
.la43-nav-card{position:relative;display:flex;align-items:center;min-height:118px;padding:18px 56px 18px 18px;border:1px solid var(--l43-line);border-radius:16px;background:#fff;color:var(--l43-ink);overflow:hidden;transition:.18s}
.la43-nav-card:hover{border-color:#c7c3b8;box-shadow:0 10px 28px rgba(24,24,20,.06);transform:translateY(-2px)}
.la43-nav-card small{display:block;margin-bottom:6px;color:var(--l43-muted);font-size:11px}.la43-nav-card strong{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:14px;line-height:1.75}
.la43-nav-arrow{position:absolute;top:50%;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--l43-soft);font-size:18px;transform:translateY(-50%);transition:.18s}
.la43-nav-card--previous{grid-column:1;padding-right:58px;padding-left:18px}.la43-nav-card--previous .la43-nav-arrow{right:16px}
.la43-nav-card--next{grid-column:2;padding-left:58px;padding-right:18px}.la43-nav-card--next .la43-nav-arrow{left:16px;background:var(--l43-yellow)}
.la43-nav-card--previous:hover .la43-nav-arrow{transform:translate(3px,-50%)}.la43-nav-card--next:hover .la43-nav-arrow{transform:translate(-3px,-50%)}
.la43-side-progress,.la43-desktop-toc,.la43-more-tools{padding:18px;border:1px solid var(--l43-line);border-radius:16px;background:#fff}
.la43-side-progress>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:10px}.la43-side-progress span{font-size:12px;font-weight:800}.la43-side-progress strong{font-size:19px}.la43-side-progress p{margin:8px 0 0;color:var(--l43-muted);font-size:10px}.la43-side-progress>a{display:flex;justify-content:space-between;margin-top:13px;padding-top:13px;border-top:1px solid var(--l43-line);color:var(--l43-ink);font-size:11px;font-weight:800}
.la43-desktop-toc>strong{display:block;margin-bottom:10px;font-size:12px}.la43-desktop-toc nav{display:grid;gap:2px}.la43-desktop-toc a{display:block;padding:7px 9px;border-radius:8px;color:var(--l43-muted);font-size:11px;line-height:1.6}.la43-desktop-toc a:hover,.la43-desktop-toc a.is-active{background:#f3f1ea;color:var(--l43-ink)}
.la43-more-tools{padding:0;overflow:hidden}.la43-more-tools>summary{min-height:46px;padding:0 15px;cursor:pointer;list-style:none;font-size:11px;font-weight:800}.la43-more-tools>summary::-webkit-details-marker{display:none}.la43-more-tools>div{display:grid;gap:1px;border-top:1px solid var(--l43-line)}.la43-more-tools button{min-height:42px;padding:0 15px;border:0;background:#fff;color:var(--l43-muted);font-size:11px;text-align:right;cursor:pointer}.la43-more-tools button:hover{background:#f8f7f3;color:var(--l43-ink)}

/* ---------- Responsive: tablet ---------- */
@media(max-width:1199px){
  .lp43-hero-card{grid-template-columns:minmax(0,1fr) minmax(300px,.8fr);gap:30px}
  .lp43-layout{grid-template-columns:minmax(0,1fr) 240px;gap:24px}
  .la43-layout{grid-template-columns:minmax(0,720px) 230px;gap:28px}
}
@media(max-width:960px){
  .lp43-hero{padding-top:98px}
  .lp43-hero-card{grid-template-columns:1fr;gap:26px}
  .lp43-hero-media{grid-row:1;aspect-ratio:16/9;max-height:420px}
  .lp43-hero-copy{grid-row:2}
  .lp43-layout{grid-template-columns:1fr}
  .lp43-sidebar{position:static;grid-row:1}.lp43-progress-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 20px;align-items:center}.lp43-progress-head{grid-column:1}.lp43-progress-track{grid-column:1;margin:0}.lp43-progress-card>p{grid-column:1}.lp43-current{grid-column:1}.lp43-progress-card .btn{grid-column:2;grid-row:1/4;margin:0;min-width:170px}.lp43-device-note{grid-column:1/3}.lp43-secondary-actions{display:flex}
  .la43-layout{grid-template-columns:1fr;max-width:820px}
  .la43-sidebar{position:static;grid-row:1;display:grid;grid-template-columns:1fr auto;align-items:start}.la43-desktop-toc{display:none}.la43-more-tools{min-width:180px}.la43-side-progress{min-width:0}
  .la43-mobile-toc{display:block;margin-bottom:26px;border:1px solid var(--l43-line);border-radius:14px;background:#fff;overflow:hidden}.la43-mobile-toc>summary{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 15px;cursor:pointer;list-style:none;font-size:12px;font-weight:800}.la43-mobile-toc>summary::-webkit-details-marker{display:none}.la43-mobile-toc nav{display:grid;gap:2px;padding:7px;border-top:1px solid var(--l43-line)}.la43-mobile-toc nav a{padding:8px 10px;border-radius:8px;color:var(--l43-muted);font-size:12px}.la43-mobile-toc nav a.is-active{background:#f3f1ea;color:var(--l43-ink)}
}

/* ---------- Responsive: mobile ---------- */
@media(max-width:767px){
  body[data-page-type="learning_path"] .back-to-top,body[data-page-type="learning_article"] .back-to-top{display:none!important}
  .lp43-hero{padding:82px 0 34px}.lp43-breadcrumb{display:none}
  .lp43-hero-card{gap:20px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
  .lp43-hero-media{aspect-ratio:16/9;border-radius:18px;box-shadow:0 12px 32px rgba(24,24,20,.08)}
  .lp43-cover-main{padding:8px}
  .lp43-kicker{margin-bottom:9px;font-size:12px}.lp43-hero h1{font-size:clamp(32px,10vw,43px);line-height:1.38}.lp43-lead{margin-top:12px;font-size:14px;line-height:1.95;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}
  .lp43-stats{gap:6px;margin-top:16px}.lp43-stats span{padding:6px 9px;font-size:11px}
  .lp43-hero-actions{margin-top:19px}.lp43-primary-cta{width:100%;justify-content:space-between}.lp43-outline-link{display:none}
  .lp43-path-facts{grid-template-columns:1fr;gap:8px;margin-top:14px}.lp43-path-facts>div{padding:15px 16px;border-radius:14px}.lp43-path-facts p{font-size:12px}.lp43-path-facts>div:nth-child(2){display:none}
  .lp43-content{padding:38px 0 64px}.lp43-section-heading{display:block;margin-bottom:17px}.lp43-section-heading h2{font-size:28px}.lp43-section-heading>p{margin-top:7px;font-size:12px}
  .lp43-sidebar{margin-bottom:4px}.lp43-progress-card{display:block;padding:16px;border-radius:14px}.lp43-progress-head strong{font-size:20px}.lp43-progress-card .btn{width:100%;margin-top:13px;min-width:0}.lp43-current{margin-top:11px}.lp43-device-note{margin-top:8px}.lp43-secondary-actions{display:none}
  .lp43-tools{border-radius:14px}.lp43-tools>summary{min-height:50px;padding:0 14px}.lp43-toolbar{grid-template-columns:1fr;padding:0 10px 10px}.lp43-search{margin-top:10px}.lp43-filters{margin-top:0;overflow-x:auto;padding-bottom:2px}.lp43-filters button{flex:0 0 auto}
  .lp43-chapters{gap:9px}.lp43-chapter{border-radius:14px}.lp43-chapter-head{grid-template-columns:34px minmax(0,1fr) 26px;gap:10px;min-height:72px;padding:12px}.lp43-chapter-number{width:34px;height:34px;border-radius:10px;font-size:13px}.lp43-chapter-copy strong{font-size:15px}.lp43-chapter-copy small{font-size:11px}.lp43-chapter-chevron{width:26px;height:26px}.lp43-chapter-description{display:none}.lp43-lessons{padding:3px 8px 7px}
  .lp43-lesson{grid-template-columns:24px minmax(0,1fr) 18px!important;gap:9px!important;min-height:64px;padding:9px 4px!important}.lp43-lesson-state{width:23px;height:23px}.lp43-lesson-copy small{font-size:10px}.lp43-lesson-copy strong{font-size:13px;line-height:1.6}.lp43-lesson-meta{display:none}.lp43-lesson-arrow{font-size:15px}
  .lp43-related,.la43-related{padding:46px 0 64px}.lp43-related-grid{grid-template-columns:1fr}.lp43-related-grid a{min-height:125px}

  .la43-hero{padding:84px 0 30px}.la43-back{margin-bottom:17px;font-size:11px}.la43-context{margin-bottom:8px;font-size:11px}.la43-hero h1{font-size:clamp(30px,9.2vw,39px);line-height:1.42}.la43-lead{margin-top:11px;font-size:14px;line-height:1.9}.la43-meta{gap:6px 13px;margin-top:14px;font-size:11px}.la43-meta span:last-child{display:none}
  .la43-body{padding:32px 0 60px}.la43-layout{display:block}.la43-sidebar{display:block;margin-bottom:22px}.la43-side-progress{padding:14px;border-radius:13px}.la43-side-progress>a{margin-top:10px;padding-top:10px}.la43-more-tools{display:none}
  .la43-objective{margin-bottom:20px;padding:14px 15px}.la43-objective p{font-size:12px}
  .la43-mobile-toc{margin-bottom:22px}
  .la43-prose{font-size:16px;line-height:2.05}.la43-prose>p:first-child{font-size:16px}.la43-prose h2{margin-top:2em!important;font-size:25px!important}.la43-prose h3{font-size:20px!important}.la43-prose blockquote{padding:14px 16px;font-size:15px}.la43-prose img{margin:1.7em auto;border-radius:12px}
  .la43-table-wrap{margin:1.5em -2px}.la43-table-hint{display:block;position:sticky;right:0;padding:8px 10px;background:#f5f3ec;color:var(--l43-muted);font-size:10px;border-bottom:1px solid var(--l43-line)}
  .la43-reflection{margin-top:34px;border-radius:14px}.la43-reflection>summary{min-height:62px;padding:13px 14px}.la43-reflection-content{padding:14px}.la43-note-field textarea{min-height:120px}
  .la43-completion{display:block;margin-top:14px;padding:16px}.la43-completion .btn{width:100%;justify-content:center;margin-top:14px}
  .la43-lesson-nav{grid-template-columns:1fr;gap:9px;margin-top:22px}.la43-nav-card{min-height:94px}.la43-nav-card--previous,.la43-nav-card--next{grid-column:auto}.la43-nav-card--previous{grid-row:1}.la43-nav-card--next{grid-row:2}.la43-nav-card small{font-size:10px}.la43-nav-card strong{font-size:13px}
}
@media(max-width:420px){
  .lp43-hero h1{font-size:31px}.lp43-stats span:last-child{display:none}.lp43-path-facts{display:none}
  .la43-meta span:nth-child(2){display:none}.la43-nav-card{padding-block:15px}
}
@media(prefers-reduced-motion:reduce){.learning43 *{scroll-behavior:auto!important;transition-duration:.01ms!important}}

.la43-desktop-toc:has(nav:empty),.la43-mobile-toc:has(nav:empty){display:none}

/* V44 — clean lesson rows and remove legacy .lesson pseudo-status conflicts */
.lp43-lesson,
.lp43-lesson:link,
.lp43-lesson:visited{
  position:relative;
  isolation:isolate;
}
.lp43-lesson::before,
.lp43-lesson::after{
  content:none!important;
  display:none!important;
}
.lp43-lessons{
  padding:7px 10px 11px;
}
.lp43-lesson{
  direction:rtl;
  grid-template-columns:28px minmax(0,1fr) auto 32px!important;
  gap:12px!important;
  min-height:72px;
  margin:2px 0;
  padding:10px 12px!important;
  border-radius:12px!important;
  background:transparent;
}
.lp43-lesson+.lp43-lesson{
  border-top:1px solid #efede7!important;
}
.lp43-lesson:hover{
  background:#f8f7f3!important;
}
.lp43-lesson-state{
  width:26px;
  height:26px;
  border:1.5px solid #cbc8bd;
  background:#fff;
  box-shadow:0 0 0 4px transparent;
  transition:border-color .16s,background .16s,box-shadow .16s;
}
.lp43-lesson-state i{
  width:6px;
  height:6px;
  background:#c8c5ba;
}
.lp43-lesson-copy small{
  display:flex;
  align-items:center;
  gap:5px;
  margin:0 0 3px;
  color:#89877f;
  font-size:11px;
  line-height:1.5;
}
.lp43-lesson-copy strong{
  font-size:14.5px;
  line-height:1.75;
  font-weight:780;
}
.lp43-lesson-meta{
  min-width:82px;
  justify-content:flex-end;
}
.lp43-lesson-meta b{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:4px 8px;
  border-radius:999px;
  background:#f2f1ec;
  color:#77756d;
  font-size:10.5px;
  font-weight:700;
}
.lp43-lesson-arrow{
  display:grid;
  place-items:center;
  width:30px;
  height:30px;
  border-radius:9px;
  background:#f2f1ec;
  color:#8c8980;
  font-size:16px;
}
.lp43-lesson:hover .lp43-lesson-arrow{
  transform:translateX(-2px);
  background:#e9e7df;
  color:var(--l43-ink);
}
.lp43-lesson.is-started .lp43-lesson-state{
  border-color:#b39400;
  background:#fff8ce;
  box-shadow:0 0 0 3px rgba(241,209,19,.14);
}
.lp43-lesson.is-started .lp43-lesson-state i{
  background:#a98d00;
}
.lp43-lesson.is-started .lp43-lesson-meta b{
  background:#fff8ce;
  color:#7b6800;
}
.lp43-lesson.is-current:not(.is-complete){
  background:#fffbed!important;
  box-shadow:inset -3px 0 0 var(--l43-yellow);
}
.lp43-lesson.is-complete .lp43-lesson-state{
  border-color:var(--l43-green);
  background:var(--l43-green);
  box-shadow:0 0 0 3px rgba(40,116,84,.11);
}
.lp43-lesson.is-complete .lp43-lesson-state i{
  display:none;
}
.lp43-lesson.is-complete .lp43-lesson-state::after{
  content:"✓";
  display:block;
  color:#fff;
  font-size:13px;
  line-height:1;
  font-weight:900;
}
.lp43-lesson.is-complete .lp43-lesson-meta b{
  background:var(--l43-green-soft);
  color:var(--l43-green);
}
.lp43-lesson.is-complete.is-current{
  background:#f5faf7!important;
  box-shadow:inset -3px 0 0 var(--l43-green);
}

@media(max-width:767px){
  .lp43-lessons{padding:5px 7px 8px}
  .lp43-lesson{
    grid-template-columns:26px minmax(0,1fr) 30px!important;
    gap:10px!important;
    min-height:72px;
    margin:1px 0;
    padding:10px 9px!important;
    border-radius:10px!important;
  }
  .lp43-lesson-state{width:25px;height:25px}
  .lp43-lesson-copy small{font-size:10.5px;margin-bottom:2px}
  .lp43-lesson-copy strong{
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    overflow:hidden;
    font-size:13.5px;
    line-height:1.7;
  }
  .lp43-lesson-meta{display:none}
  .lp43-lesson-arrow{width:28px;height:28px;border-radius:8px;font-size:15px}
}

/* Product Design v49 — calmer learning archive and continuous mobile progress. */
.learning-archive-v49 .learning-hero-focused{max-width:880px}
.learning-archive-v49 .learning-overview{gap:18px}
.learning-archive-v49 .learning-card{border-radius:22px;box-shadow:none}
.learning-archive-v49 .learning-card:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(23,23,20,.07)}
.learning-archive-v49 .learning-card-cover img{object-fit:contain;background:linear-gradient(135deg,#faf9f6,#eeeae1)}
.learning-assist-v49{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:38px;padding:28px 30px;border:1px solid var(--l43-line,var(--border));border-radius:24px;background:#f7f5ed}
.learning-assist-v49>div{max-width:720px}
.learning-assist-v49 h2{margin:8px 0;font-size:clamp(22px,2.5vw,34px)}
.learning-assist-v49 p{margin:0;color:var(--muted);line-height:1.9}
.learning-note-v49{padding-top:0}
.lp43-sidebar,.la43-sidebar{position:sticky;top:92px;align-self:start}
.lp43-chapter{border-radius:18px;box-shadow:none}
.lp43-chapter-head{min-height:88px}
.lp43-tools{border-radius:16px}
.la43-objective,.la43-reflection,.la43-completion,.la43-side-progress,.la43-desktop-toc,.la43-more-tools{border-radius:16px;box-shadow:none}
.learning-mobile-bar{display:none}
@media(max-width:800px){
  .learning-assist-v49{align-items:stretch;flex-direction:column;padding:24px 20px}
  .learning-assist-v49 .btn{width:100%}
  .lp43-sidebar,.la43-sidebar{position:static}
}
@media(max-width:767px){
  .learning43-path,.learning43-article{padding-bottom:88px}
  .lp43-path-facts{grid-template-columns:1fr}
  .lp43-chapter:not([open]) .lp43-chapter-description{display:none}
  .lp43-chapter-head{min-height:76px;padding-block:12px}
  .learning-mobile-bar{
    position:fixed;z-index:930;right:10px;left:10px;bottom:max(10px,env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px;min-height:62px;padding:7px;border:1px solid rgba(23,23,20,.13);border-radius:18px;background:rgba(255,255,255,.96);box-shadow:0 16px 48px rgba(23,23,20,.16);backdrop-filter:blur(14px)
  }
  .learning-mobile-bar a,.learning-mobile-bar button{display:flex;align-items:center;justify-content:center;min-width:0;min-height:46px;padding:8px 10px;border:0;border-radius:12px;background:transparent;color:var(--l43-ink,var(--ink));font:inherit;font-size:11px;font-weight:800;text-align:center}
  .learning-mobile-bar>span{display:grid;justify-items:center;min-width:64px;color:var(--l43-muted,var(--muted));font-size:9px;line-height:1.4}
  .learning-mobile-bar>span strong{color:var(--l43-ink,var(--ink));font-size:14px}
  .learning-mobile-bar .is-primary{background:var(--l43-ink,var(--ink));color:#fff}
  .learning-mobile-bar--article{grid-template-columns:1fr auto 1fr}
  body.has-active-layer .learning-mobile-bar,body.mobile-menu-open .learning-mobile-bar{opacity:0;visibility:hidden;pointer-events:none}
}
@media(prefers-reduced-transparency:reduce){.learning-mobile-bar{backdrop-filter:none;background:#fff}}

/* V49.2 — progressive disclosure for long learning paths. */
.lp43-chapter-controls{display:flex;justify-content:flex-end;margin:0 0 10px}.lp43-chapter-controls .btn{min-height:44px}.lp43-chapter.is-current-chapter{border-color:rgba(129,82,153,.34);box-shadow:0 0 0 3px rgba(129,82,153,.07)}
@media(max-width:640px){.lp43-chapter-controls{position:sticky;top:70px;z-index:8;margin-inline:-4px;padding:6px 4px;background:rgba(247,246,242,.94);backdrop-filter:blur(8px)}.lp43-chapter-controls .btn{width:100%}}