/* ===========================================================
   JekyllLMS — Static Course Builder
   Full themed stylesheet (light + dark via [data-lms])
   =========================================================== */

/* ---- Theme tokens ---- */
[data-lms="light"]{
  --bg:#faf8f0; --surface:#fff; --s2:#f5f2e8;
  --text:#1e1a10; --t2:#5a5040; --t3:#9a8a70;
  --border:rgba(30,26,16,.1); --nb:#fff;
  --accent:#c8900a; --abg:#fdf3d0; --atx:#7a5800;
  --red:#c83535; --card:#fff; --inp:#f5f2e8;
  --code:#1e1b12; --rule:#c83535;
}
[data-lms="dark"]{
  --bg:#161310; --surface:#1e1b12; --s2:#252018;
  --text:#f0e8cc; --t2:#8a7a60; --t3:#6a6050;
  --border:rgba(255,255,255,.07); --nb:#120f08;
  --accent:#e8b020; --abg:rgba(232,176,32,.13); --atx:#e8b020;
  --red:#e05540; --card:#1e1b12; --inp:#252018;
  --code:#0d0b07; --rule:#e05540;
}

/* ---- Reset / base ---- */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text);
  font-family:'DM Sans',system-ui,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{font-family:'Sora',sans-serif;color:var(--text)}
code{font-family:'JetBrains Mono',monospace}
.container{max-width:1180px;margin:0 auto;padding:0 32px}
.container.narrow{max-width:980px}
.muted{color:var(--t3)}
.small{font-size:13px}
.accent{color:var(--accent)}
.ok{color:#22c55e}
.link{color:var(--accent);font-weight:600;font-size:13px}

/* ---- Buttons ---- */
.btn-primary,.btn-secondary,.btn-outline{
  display:inline-block;font-size:15px;font-weight:700;
  padding:13px 28px;border-radius:8px;cursor:pointer;
  border:1.5px solid transparent;transition:filter .15s;
}
.btn-primary{background:var(--accent);color:var(--nb)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border);font-weight:600}
.btn-outline{background:transparent;color:var(--t2);border-color:var(--border);font-weight:600;font-size:13px;padding:10px 22px}
.btn-primary.block,.btn-outline.block{display:block;text-align:center;width:100%;margin-bottom:10px;box-sizing:border-box}

/* ===========================================================
   NAV
   =========================================================== */
.nav{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 32px;
  background:var(--nb);border-bottom:1.5px solid var(--border);
}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-brand{font-family:'Sora';font-weight:800;font-size:15px;color:var(--text);letter-spacing:-.3px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-item{
  display:inline-flex;align-items:center;gap:5px;
  font-size:13px;font-weight:600;color:var(--accent);
  padding:7px 15px;border-radius:5px;
}
.nav-item svg{width:11px;height:11px}
.nav-item.active{background:var(--accent);color:var(--nb);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-gh{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--text);
  border:1.5px solid var(--border);border-radius:7px;padding:7px 13px;
}
.nav-gh svg{width:13px;height:13px}
.nav-search{position:relative}
.nav-search-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:7px;cursor:pointer;
  background:var(--s2);border:1.5px solid var(--border);color:var(--t2);
}
.nav-search-btn svg{width:15px;height:15px}
.nav-search-btn[aria-expanded="true"]{background:var(--accent);color:var(--nb);border-color:var(--accent)}
.site-search-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:360px;max-width:90vw;
  background:var(--surface);border:1.5px solid var(--border);border-radius:12px;
  box-shadow:0 20px 48px rgba(0,0,0,.18);padding:14px;z-index:110;
}
.site-search-panel .search-box{width:100%;box-sizing:border-box}
.site-search-results{margin-top:10px;max-height:360px;overflow-y:auto}
.search-result{display:flex;flex-direction:column;gap:2px;padding:9px 10px;border-radius:8px;color:var(--text)}
.search-result:hover{background:var(--s2)}
.search-result-type{font-size:10px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px}
.search-result-title{font-size:13px;font-weight:600}
.search-empty{padding:9px 10px;margin:0}
.theme-toggle{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;color:var(--t2);
  background:var(--s2);border:1.5px solid var(--border);
  border-radius:7px;padding:7px 12px;cursor:pointer;font-family:inherit;
}

/* ===========================================================
   HERO + FEATURES
   =========================================================== */
.hero{padding:72px 0 56px;border-bottom:1px solid var(--border)}
.hero-inner{display:flex;align-items:center;gap:56px}
.hero-text{flex:1}
.badge{display:inline-block;background:var(--abg);border:1px solid var(--border);border-radius:20px;padding:5px 16px;font-size:11px;font-weight:700;color:var(--atx);margin-bottom:24px}
.hero-text h1{margin:0 0 20px;font-size:52px;line-height:1.06;font-weight:800;letter-spacing:-2.5px}
.hero-text p{margin:0 0 36px;font-size:17px;line-height:1.7;color:var(--t2);max-width:460px}
.hero-cta{display:flex;gap:12px;margin-bottom:28px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--t3)}
.hero-code{width:460px;flex-shrink:0}
.code-window{background:var(--code);border-radius:14px;overflow:hidden;box-shadow:0 28px 72px rgba(0,0,0,.2)}
.code-chrome{height:40px;background:#0d0b07;display:flex;align-items:center;gap:7px;padding:0 16px}
.dot{width:11px;height:11px;border-radius:50%}
.dot.red{background:#ff5f57}.dot.amber{background:#febc2e}.dot.green{background:#28c840}
.code-file{font-family:'JetBrains Mono';font-size:11px;color:#4a4030;margin-left:8px}
.code-body{margin:0;padding:20px 24px;font-family:'JetBrains Mono';font-size:13px;line-height:1.8;color:#f0e8cc;white-space:pre-wrap}
.c-dim{color:#4a4030}.c-key{color:#d4920a}.c-str{color:#a3e635}.c-num{color:#fb923c}.c-bool{color:#38bdf8}.c-type{color:#38bdf8}.c-h{color:#f0e8cc}.c-cmt{color:#6a6050}

.features{background:var(--s2);padding:52px 0;border-bottom:1px solid var(--border)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.feature-icon{width:44px;height:44px;background:var(--abg);border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-icon svg{width:22px;height:22px}
.feature h3{margin:0 0 12px;font-size:22px;font-weight:700}
.feature p{margin:0 0 14px;font-size:14px;line-height:1.75;color:var(--t2)}
.feature a{font-size:13px;font-weight:600}
.feature code{font-size:12px;color:var(--accent)}

/* ===========================================================
   SECTION HEAD + COURSE GRID + CARDS
   =========================================================== */
.home-ad{padding-top:36px}
.course-strip{padding:44px 0 60px}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.section-head h2{margin:0 0 4px;font-size:20px;font-weight:700}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.course-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:transform .15s,box-shadow .15s}
.course-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.1)}
.course-thumb{height:136px;position:relative}
.course-level{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.15);border-radius:5px;padding:3px 9px;font-size:10px;font-weight:700;color:#fff}
.course-card-body{padding:18px}
.course-card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.tag{font-size:11px;font-weight:700;color:var(--accent);background:var(--abg);padding:3px 8px;border-radius:4px}
.badge-free{font-size:11px;font-weight:700;color:#22c55e}
.badge-platform{font-size:11px;font-weight:600;color:var(--accent)}
.course-card-body h3{margin:0 0 5px;font-size:15px;font-weight:700}
.course-card-body p{margin:0 0 12px;font-size:12px}
.course-card-cta{font-size:13px;font-weight:600;color:var(--accent)}

/* ===========================================================
   COURSES INDEX (catalog)
   =========================================================== */
.catalog-head{background:var(--surface);padding:36px 0 28px;border-bottom:1px solid var(--border)}
.catalog-head h1{margin:0 0 5px;font-size:26px;font-weight:800;letter-spacing:-.5px}
.catalog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.search-box{display:flex;align-items:center;gap:10px;background:var(--inp);border:1px solid var(--border);border-radius:10px;padding:10px 18px;width:260px;color:var(--t3);font-size:14px}
.search-box svg{width:14px;height:14px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:500;color:var(--t2);background:var(--inp);border:1px solid var(--border);padding:7px 14px;border-radius:20px;cursor:pointer}
.chip.active{background:var(--accent);color:var(--nb);font-weight:700;border-color:var(--accent)}
.catalog-grid{padding:32px 0 60px}
.catalog-grid .course-grid{gap:22px}
.catalog-grid .course-thumb{height:148px}

/* ===========================================================
   COURSE DETAIL
   =========================================================== */
.course-hero{padding:48px 0;border-bottom:1px solid var(--border)}
.breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:20px;font-size:13px;color:var(--t3)}
.course-hero-grid{display:flex;gap:48px;align-items:flex-start}
.course-hero-main{flex:1}
.pills{display:flex;gap:8px;margin-bottom:18px}
.pill{font-size:11px;font-weight:700;color:var(--atx);background:var(--abg);border:1px solid var(--border);padding:4px 10px;border-radius:4px}
.pill-dim{color:var(--t2);background:var(--s2)}
.course-hero-main h1{margin:0 0 16px;font-size:36px;font-weight:800;line-height:1.12;letter-spacing:-1.2px}
.lead{font-size:16px;line-height:1.7;color:var(--t2);max-width:560px;margin:0 0 24px}
.course-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--t2);margin-bottom:24px}
.course-meta strong{color:var(--text)}
.instructor-card{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;width:fit-content}
.avatar{width:38px;height:38px;border-radius:50%}
.avatar.sm{width:36px;height:36px}
.instructor-name{font-size:13px;font-weight:700;color:var(--text)}
.enroll-card{width:320px;flex-shrink:0;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 8px 32px rgba(0,0,0,.08)}
.enroll-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.price{font-family:'Sora';font-size:26px;font-weight:800;color:var(--text)}
.badge-hosted{font-size:11px;font-weight:700;color:#22c55e;background:#f0fdf4;padding:4px 10px;border-radius:6px}
.enroll-stats{list-style:none;margin:18px 0 0;padding:18px 0 0;border-top:1px solid var(--border)}
.enroll-stats li{display:flex;justify-content:space-between;font-size:13px;margin-bottom:10px}
.enroll-stats span:last-child{font-weight:600;color:var(--text)}

.curriculum{background:var(--surface);padding:48px 0}
.curriculum h2{margin:0 0 6px;font-size:22px;font-weight:700;letter-spacing:-.3px}
.lesson-accordion{margin-top:28px;border:1.5px solid var(--border);border-radius:12px;overflow:hidden}
.lesson-row{display:flex;align-items:center;gap:12px;padding:14px 22px;border-bottom:1px solid var(--border);color:var(--text)}
.lesson-row:last-child{border-bottom:none}
.lesson-row:hover{background:var(--s2)}
.lesson-num{width:22px;height:22px;background:var(--abg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--accent);font-weight:700;flex-shrink:0}
.lesson-title{flex:1;font-size:14px}
.lesson-time{font-size:11px;color:var(--t3);background:var(--s2);padding:2px 7px;border-radius:4px;font-family:'JetBrains Mono'}

/* ===========================================================
   LESSON PLAYER
   =========================================================== */
.lesson-topbar{display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:52px;background:var(--code);border-bottom:1px solid rgba(255,255,255,.05)}
.lesson-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#7a7060}
.lesson-crumb a{color:var(--accent)}
.lesson-crumb strong{color:#f0e8cc;font-weight:600}
.lesson-progress{display:flex;align-items:center;gap:14px}
.progress-track{width:140px;height:5px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;background:var(--accent);border-radius:3px}
.badge-pct{font-size:11px;font-weight:600;color:#22c55e;background:rgba(34,197,94,.12);padding:4px 10px;border-radius:6px}
.lesson-body{display:flex;min-height:calc(100vh - 112px)}
.lesson-main{flex:1;background:var(--surface);overflow-y:auto}
.video-frame{aspect-ratio:16/9;background:#0f0d1a;position:relative}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#1a1230,#0f0d1a 60%,#1a1230);display:flex;flex-direction:column;align-items:center;justify-content:center}
.video-code{text-align:center;font-family:'JetBrains Mono';font-size:18px;line-height:1.9;color:#d4920a}
.video-bar{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;gap:14px;padding:14px 20px;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.video-bar .play{width:32px;height:32px;background:rgba(255,255,255,.15);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px}
.video-track{flex:1;height:3px;background:rgba(255,255,255,.2);border-radius:2px}
.video-fill{width:35%;height:100%;background:var(--accent);border-radius:2px}
.lesson-content{padding:28px 36px 36px}
.lesson-content h1{margin:0 0 16px;font-size:22px;font-weight:700;letter-spacing:-.3px}
.lesson-nav{display:flex;align-items:center;gap:10px;margin-top:24px}
.lesson-sidebar{width:320px;flex-shrink:0;background:var(--surface);border-left:1px solid var(--border);overflow-y:auto}
.lesson-sidebar-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 22px;border-bottom:1px solid var(--border);background:none;border-left:none;border-right:none;border-top:none;cursor:default;font-family:inherit;text-align:left}
.lesson-sidebar-head h3{margin:0 0 3px;font-size:14px;font-weight:700}
.lesson-sidebar-chevron{display:none;flex-shrink:0;font-size:11px;color:var(--t3);transition:transform .2s}
.lesson-list{padding:14px 18px}
.lesson-section{font-size:10px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:1px;padding-bottom:7px;border-bottom:2px solid var(--rule);margin-bottom:10px}
.lesson-item{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:7px;margin-bottom:2px;color:var(--t2)}
.lesson-item:hover{background:var(--s2)}
.lesson-bullet{width:20px;height:20px;border-radius:50%;background:var(--s2);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--t3);flex-shrink:0}
.lesson-item-title{flex:1;font-size:13px}
.lesson-item-time{font-size:11px;color:var(--t3);font-family:'JetBrains Mono'}
.lesson-item.done .lesson-item-title{color:var(--t3);text-decoration:line-through}
.lesson-item.done .lesson-bullet{background:#22c55e;color:#fff}
.lesson-item.current{background:var(--abg)}
.lesson-item.current .lesson-item-title{color:var(--atx);font-weight:700}
.lesson-item.current .lesson-bullet{background:var(--accent);color:var(--nb)}
.lesson-item.current .lesson-item-time{color:var(--accent)}

/* ===========================================================
   DOCS
   =========================================================== */
.docs-layout{display:flex;min-height:calc(100vh - 60px)}
.docs-sidebar{width:240px;flex-shrink:0;background:var(--s2);padding:28px 20px;border-right:1px solid var(--border);overflow-y:auto}
.docs-sec{margin-bottom:22px}
.docs-sec-title{font-size:11px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:1.2px;padding-bottom:8px;border-bottom:2px solid var(--rule);margin-bottom:10px}
.docs-link{display:block;font-size:13px;color:var(--accent);padding:4px 0}
.docs-link.active{font-weight:700}
.docs-main{flex:1;padding:44px 52px;background:var(--surface);overflow-y:auto}
.docs-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}
.docs-head h1{margin:0;font-size:34px;font-weight:800;letter-spacing:-1px}
.docs-toc{width:220px;flex-shrink:0;padding:44px 20px;background:var(--bg);border-left:1px solid var(--border)}
.toc-title{font-size:11px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--rule)}
.toc-list{display:flex;flex-direction:column;gap:6px}
.toc-list a{font-size:13px;color:var(--accent)}

/* Docs landing grid */
.docs-landing-head{background:var(--s2);padding:48px 0 36px;border-bottom:1px solid var(--border)}
.docs-landing-head h1{margin:0 0 10px;font-size:38px;font-weight:800;letter-spacing:-1.5px}
.docs-cards{padding:40px 0 60px}
.docs-cards .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}
.doc-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px}
.doc-card .ic{font-size:28px;margin-bottom:12px}
.doc-card h3{margin:0 0 8px;font-size:16px;font-weight:700}
.doc-card p{margin:0 0 14px;font-size:13px;line-height:1.6;color:var(--t2)}
.doc-card a{display:block;font-size:12px;color:var(--accent);margin-bottom:4px}

/* ===========================================================
   BLOG
   =========================================================== */
.page-hero,.post-hero,.docs-landing-head{background:var(--s2)}
.page-hero{padding:48px 0 32px;border-bottom:1px solid var(--border)}
.page-hero h1{margin:0 0 8px;font-size:36px;font-weight:800;letter-spacing:-1px}
.blog-layout{padding:40px 0 60px}
.blog-grid{display:flex;gap:36px;align-items:flex-start}
.blog-posts{flex:1}
.post-item{display:flex;gap:18px;padding:28px 0;border-bottom:1px solid var(--border)}
.post-item:last-child{border-bottom:none}
.post-item-thumb{flex-shrink:0;width:72px;height:72px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-family:'Sora';font-weight:800;font-size:22px;color:#f0e8cc;letter-spacing:-.5px}
.post-item-body{flex:1;min-width:0}
.post-item-meta{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.post-item h2{margin:0 0 8px;font-size:20px;font-weight:700}
.post-item h2 a{color:var(--text)}
.post-item p{margin:0 0 12px;font-size:14px;line-height:1.7;color:var(--t2)}
.blog-sidebar{width:280px;flex-shrink:0}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:16px}
.side-card h4{margin:0 0 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.side-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.side-row a{font-size:13px}
.side-count{font-size:11px;color:var(--t3);background:var(--s2);padding:2px 7px;border-radius:10px}

.pagination{display:flex;align-items:center;justify-content:space-between;margin-top:32px}
.pagination .disabled{opacity:.4;pointer-events:none}
.pagination-info{order:0}

/* Post detail */
.post-hero{padding:36px 0 28px;border-bottom:1px solid var(--border)}
.post-tags{display:flex;gap:10px;align-items:center;margin:14px 0}
.post-title-row{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.post-hero-thumb{margin:0}
.post-hero h1{margin:0;font-size:34px;font-weight:800;letter-spacing:-1px;line-height:1.2}
.post-author{display:flex;align-items:center;gap:12px}
.post-body{display:flex;gap:40px;align-items:flex-start;padding:40px 32px 60px}
.post-content{flex:1;min-width:0}
.post-sidebar{width:260px;flex-shrink:0;position:sticky;top:80px}
.toc-block{margin-bottom:24px}
.related{margin-top:16px}
.related-item{display:block;margin-bottom:10px}
.related-title{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:3px;line-height:1.4}

/* ===========================================================
   ADS
   =========================================================== */
.ad-slot{margin-bottom:16px}
.ad-placeholder{border:2px dashed var(--border);background:var(--s2);border-radius:10px;padding:16px;text-align:center}
.ad-label{font-size:9px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px}
.ad-box{height:160px;background:var(--inp);border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--t3);font-weight:600}
.ad-box span{font-size:9px;margin-top:4px}

/* ===========================================================
   ABOUT / page prose
   =========================================================== */
.page-body{padding:40px 0 60px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 0 48px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;text-align:center}
.stat .n{font-family:'Sora';font-size:32px;font-weight:800;color:var(--accent)}
.stat .l{font-size:13px;color:var(--t3);margin-top:4px}
.author-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;display:flex;gap:24px;align-items:flex-start;margin-bottom:20px}
.author-avatar{width:64px;height:64px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Sora';font-weight:800;font-size:22px;color:#fff}

/* ---- Prose (Markdown content) ---- */
.prose{max-width:760px;font-size:15px;line-height:1.85;color:var(--t2)}
.prose h2{margin:32px 0 14px;font-size:22px;font-weight:700;color:var(--text);border-bottom:1px solid var(--border);padding-bottom:8px}
.prose h3{margin:24px 0 10px;font-size:18px;font-weight:700;color:var(--text)}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--text)}
.prose a{font-weight:600}
.prose code{background:var(--abg);color:var(--atx);padding:2px 6px;border-radius:4px;font-size:.9em}
.prose pre{background:var(--code);color:#f0e8cc;border-radius:10px;padding:18px 20px;overflow-x:auto;margin:0 0 22px}
.prose pre code{background:none;color:inherit;padding:0}
.prose blockquote{border-left:3px solid var(--accent);margin:0 0 18px;padding:4px 0 4px 18px;color:var(--t2)}
.prose img{max-width:100%;border-radius:10px}

/* ===========================================================
   FOOTER
   =========================================================== */
.footer{background:var(--code);border-top:1px solid rgba(255,255,255,.05);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-family:'Sora';font-weight:800;font-size:15px;color:#f0e8cc}
.footer-brand p{font-size:13px;color:#5a5040;line-height:1.65;max-width:240px;margin:0}
.footer-col h4{font-size:11px;font-weight:700;color:#6a6050;text-transform:uppercase;letter-spacing:1.2px;margin:0 0 14px}
.footer-col a{display:block;font-size:13px;color:#d4920a;margin-bottom:9px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.05);padding-top:22px;font-size:12px;color:#3a3020}

/* ===========================================================
   LOCKED LESSONS
   =========================================================== */
.badge-locked{font-size:11px;font-weight:700;color:var(--red)}
.lock-frame{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(135deg,#1a1230,#0f0d1a 60%,#1a1230);text-align:center;padding:24px}
.lock-icon{font-size:34px}
.lock-frame p{color:#cdbfa0;font-size:14px;margin:0;max-width:320px}
.lock-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--abg);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin:22px 0}
.lock-cta-text strong{display:block;font-size:14px;color:var(--text);margin-bottom:4px}
.lock-cta .btn-primary{flex-shrink:0;white-space:nowrap}
.lesson-item-lock{font-size:11px;flex-shrink:0}

/* ===========================================================
   COURSE INCLUDES (what you'll learn / prerequisites)
   =========================================================== */
.course-includes{padding:40px 0;border-bottom:1px solid var(--border)}
.includes-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.includes-col h3{margin:0 0 16px;font-size:16px;font-weight:700}
.check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);line-height:1.5}
.check-ic{flex-shrink:0;width:18px;height:18px;border-radius:50%;background:var(--abg);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;margin-top:1px}
.check-list.dim .check-ic{background:var(--s2);color:var(--t3)}
.lesson-row-summary{display:none;flex:2;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:760px){.lesson-row-summary{display:block}}

/* ===========================================================
   SHOWCASE
   =========================================================== */
.showcase-head{display:flex;align-items:center;justify-content:space-between;margin:56px 0 20px}
.showcase-head h2{margin:0;font-family:'Sora';font-size:24px;font-weight:800}
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.showcase-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;position:relative;transition:transform .15s,box-shadow .15s}
.showcase-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.1)}
.showcase-example{position:absolute;top:14px;right:14px;font-size:9px;font-weight:700;color:var(--t3);background:var(--s2);padding:3px 7px;border-radius:5px;letter-spacing:.5px}
.showcase-card h3{margin:0 0 8px;font-size:16px;font-weight:700;color:var(--text)}
.showcase-card p{margin:0 0 14px;font-size:13px;line-height:1.6}
.showcase-stars{font-size:13px;font-weight:700;color:var(--accent)}

/* ===========================================================
   SEARCH / FILTER EMPTY STATE
   =========================================================== */
.search-box{cursor:text}
.search-box input{border:none;background:transparent;outline:none;color:var(--text);font-family:inherit;font-size:14px;width:100%}
.search-box input::placeholder{color:var(--t3)}
.chip{user-select:none}
.empty-state{text-align:center;padding:48px 0;color:var(--t3);font-size:14px;grid-column:1/-1}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:980px){
  .hero-inner{flex-direction:column;align-items:flex-start}
  .hero-code{width:100%}
  .features-grid,.course-grid,.docs-cards .grid,.stat-grid,.showcase-grid,.includes-grid{grid-template-columns:1fr}
  .course-hero-grid{flex-direction:column}
  .enroll-card{width:100%}
  .blog-grid,.post-body{flex-direction:column}
  .blog-sidebar,.post-sidebar{width:100%}
  .docs-toc{display:none}
  .lesson-body{flex-direction:column;height:auto;padding-bottom:60px}
  .lesson-sidebar{
    position:fixed;left:0;right:0;bottom:0;top:auto;width:100%;
    border-left:none;border-top:1px solid var(--border);
    max-height:60px;overflow:hidden;z-index:90;
    box-shadow:0 -10px 30px rgba(0,0,0,.18);
    transition:max-height .25s ease;
  }
  .lesson-sidebar.open{max-height:75vh;overflow-y:auto}
  .lesson-sidebar-head{cursor:pointer;background:var(--surface);position:sticky;top:0;z-index:1}
  .lesson-sidebar-chevron{display:block}
  .lesson-sidebar.open .lesson-sidebar-chevron{transform:rotate(180deg)}
  .nav-links{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .hero-text h1{font-size:38px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}
  .post-item-thumb{width:52px;height:52px;font-size:16px;border-radius:12px}
}