/* css/app.css */
:root{--bg:#f2f5f4;--bg-deep:#071614;--surface:#ffffff;--ink:#0d1c19;--muted:#5a6e69;--line:rgba(13,28,25,0.1);--brand:#0d7377;--brand-2:#095456;--accent:#b8892d;--ok:#0d7377;--danger:#b42318;--radius:14px;--shadow:0 12px 40px rgba(7,22,20,0.07);--font:"Kalpurush","Nirmala UI",sans-serif;--display:"Kalpurush","Segoe UI",sans-serif;}*{box-sizing:border-box;}html{scroll-behavior:smooth;}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);min-height:100vh;line-height:1.65;-webkit-font-smoothing:antialiased;}a{color:inherit;text-decoration:none;}button,input,select,textarea{font:inherit;}img{max-width:100%;display:block;}.page-bg{position:fixed;inset:0;z-index:-2;background:radial-gradient(900px 480px at 8% -8%,rgba(13,115,119,0.14),transparent 60%),radial-gradient(700px 420px at 100% 0%,rgba(184,137,45,0.1),transparent 55%),linear-gradient(180deg,#f7f9f8 0%,#eef2f1 100%);}body.is-catalog{background:#f8f5ee;}body.is-catalog .page-bg{background:radial-gradient(circle at 1px 1px,rgba(11,61,56,0.05) 1px,transparent 0);background-size:22px 22px;background-color:#f8f5ee;}body.is-catalog .site-header{background:rgba(248,245,238,0.92);border-bottom:1px solid #d9cfb6;}.container{width:min(1120px,calc(100% - 2rem));margin-inline:auto;}.site-header{position:sticky;top:0;z-index:40;backdrop-filter:blur(16px) saturate(1.2);background:rgba(247,249,248,0.78);border-bottom:1px solid transparent;transition:border-color .2s ease,background .2s ease;}.is-home .site-header{position:absolute;inset-inline:0;background:transparent;backdrop-filter:none;}.header-inner,.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px;}.brand{display:inline-flex;align-items:center;gap:.75rem;}.brand-mark{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#10969b,#0a5c5f);color:#fff;font-family:var(--display);font-weight:700;letter-spacing:.04em;font-size:.92rem;}.brand-text{display:flex;flex-direction:column;line-height:1.1;}.brand-text strong{font-family:var(--display);font-size:1.05rem;letter-spacing:-.02em;}.brand-text small{color:var(--muted);font-size:.75rem;font-weight:500;}.is-home .site-header .brand-text strong,.is-home .site-header .nav > a{color:#eef7f6;}.is-home .site-header .brand-text small{color:rgba(238,247,246,0.65);}.is-home .site-header .btn-ghost{color:#eef7f6;border-color:rgba(238,247,246,0.28);}.nav{display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap;}.nav > a{color:var(--muted);font-weight:600;font-size:.95rem;position:relative;}.nav > a:hover{color:var(--brand);}.is-home .site-header .nav > a:hover{color:#fff;}.btn{border:0;border-radius:12px;padding:.78rem 1.25rem;display:inline-flex;align-items:center;justify-content:center;gap:.4rem;cursor:pointer;font-weight:650;letter-spacing:-.01em;transition:transform .18s ease,background .18s ease,border-color .18s ease;}.btn-sm{padding:.55rem .95rem;font-size:.92rem;}.btn-primary{background:linear-gradient(180deg,#129298,#0d7377);color:#fff;}.btn-primary:hover{background:linear-gradient(180deg,#0f8589,#095456);transform:translateY(-1px);}.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}.btn-ghost:hover{border-color:rgba(13,115,119,0.35);}.btn-danger{background:var(--danger);color:#fff;}.btn.full{width:100%;}.inline{display:inline;}.hero-bleed{position:relative;min-height:100svh;display:grid;align-items:end;overflow:hidden;color:#eef7f6;background:#071614;}.hero-atmosphere{position:absolute;inset:0;z-index:0;}.hero-mesh{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 70% 40%,rgba(18,146,152,0.45),transparent 58%),radial-gradient(ellipse 50% 45% at 15% 80%,rgba(184,137,45,0.22),transparent 55%),linear-gradient(160deg,#04100f 0%,#0a2a28 42%,#071614 100%);}.hero-grid{position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(238,247,246,0.07) 1px,transparent 1px),linear-gradient(90deg,rgba(238,247,246,0.07) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 60% 45%,#000 20%,transparent 75%);animation:gridDrift 28s linear infinite;}.hero-orb{position:absolute;border-radius:50%;filter:blur(40px);opacity:.55;animation:orbFloat 10s ease-in-out infinite;}.hero-orb-a{width:280px;height:280px;right:12%;top:18%;background:rgba(18,146,152,0.55);}.hero-orb-b{width:180px;height:180px;left:18%;bottom:22%;background:rgba(184,137,45,0.35);animation-delay:-4s;}.hero-stage{position:relative;z-index:1;padding:8.5rem 0 4.5rem;}.hero-copy{max-width:760px;display:grid;gap:1rem;}.hero-brand{margin:0;font-family:var(--display);font-size:clamp(3.4rem,11vw,7.2rem);font-weight:700;letter-spacing:-.06em;line-height:.92;color:#fff;}.hero-title{margin:0;font-family:var(--font);font-size:clamp(1.45rem,3.2vw,2.05rem);font-weight:600;line-height:1.35;color:rgba(238,247,246,0.92);max-width:18ch;}.hero-lead{margin:0;color:rgba(238,247,246,0.68);font-size:1.08rem;max-width:34rem;}.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:.55rem;}.hero-bleed .btn-primary{background:#eef7f6;color:#071614;}.hero-bleed .btn-primary:hover{background:#fff;transform:translateY(-1px);}.hero-bleed .btn-ghost{color:#eef7f6;border-color:rgba(238,247,246,0.28);background:rgba(238,247,246,0.04);}.hero-bleed .btn-ghost:hover{border-color:rgba(238,247,246,0.55);background:rgba(238,247,246,0.08);}.reveal{opacity:0;transform:translateY(18px);animation:revealUp .7s cubic-bezier(.22,1,.36,1) forwards;}.delay-1{animation-delay:.12s;}.delay-2{animation-delay:.22s;}.delay-3{animation-delay:.34s;}@keyframes revealUp{to{opacity:1;transform:none;}}@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1);}50%{transform:translateY(-18px) scale(1.05);}}@keyframes gridDrift{from{transform:translateY(0);}to{transform:translateY(64px);}}.section{padding:3.5rem 0 4.5rem;}.section-head{margin-bottom:1.6rem;}.section h2,.section-head h2{font-family:var(--display);margin:0 0 .35rem;font-size:clamp(1.6rem,3vw,2rem);letter-spacing:-.03em;}.section .lead,.section-head .lead{color:var(--muted);margin:0;font-size:1.02rem;}.course-list{display:grid;gap:0;border-top:1px solid var(--line);}.course-row{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;padding:1.25rem 0;border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease;}.pager{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-top:1rem;}.pager-btn{display:inline-flex;padding:.45rem .9rem;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:600;}.pager-btn.is-disabled{opacity:.45;pointer-events:none;}.pager-info{color:var(--muted);font-size:.92rem;}.course-row:hover{padding-left:.4rem;}.course-row-main h3{margin:0 0 .25rem;font-family:var(--display);font-size:1.15rem;letter-spacing:-.02em;}.course-row-main p{margin:0;color:var(--muted);font-size:.95rem;}.course-row-meta{display:flex;align-items:center;gap:.85rem;font-weight:700;color:var(--brand);white-space:nowrap;}.course-arrow{color:var(--muted);transition:transform .2s ease,color .2s ease;}.course-row:hover .course-arrow{transform:translateX(4px);color:var(--brand);}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;}.course-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;transition:border-color .2s ease,transform .2s ease;}.course-item:hover{border-color:rgba(13,115,119,0.35);transform:translateY(-2px);}.course-item h3{margin:.45rem 0 .4rem;font-family:var(--display);font-size:1.1rem;}.course-item p{margin:0 0 1rem;color:var(--muted);font-size:.95rem;}.price{font-weight:700;color:var(--brand);}.badge{display:inline-block;padding:.15rem .5rem;border-radius:8px;background:rgba(13,115,119,0.1);color:var(--brand);font-size:.78rem;font-weight:600;}.empty-state{padding:2.2rem 0;border-bottom:1px solid var(--line);}.empty-state p{margin:0 0 .35rem;font-size:1.05rem;}.auth-wrap{min-height:calc(100svh - 160px);display:grid;place-items:center;padding:2.5rem 0;}.auth-card{width:min(440px,100%);background:rgba(255,255,255,0.92);border:1px solid var(--line);border-radius:20px;padding:1.75rem;box-shadow:var(--shadow);}.auth-card h1{margin:0 0 .3rem;font-family:var(--display);letter-spacing:-.03em;}.auth-card .sub{color:var(--muted);margin-bottom:1.2rem;}.form-group{margin-bottom:1rem;}.form-group label{display:block;margin-bottom:.35rem;font-weight:600;}.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:.78rem .95rem;background:#fff;transition:border-color .15s ease,box-shadow .15s ease;}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:rgba(13,115,119,0.45);box-shadow:0 0 0 3px rgba(13,115,119,0.12);}.form-group textarea{min-height:110px;resize:vertical;}.error{color:var(--danger);font-size:.9rem;margin-top:.25rem;}.alert{border-radius:12px;padding:.85rem 1rem;margin:1rem 0;border:1px solid var(--line);background:#fff;}.alert.success{background:#ecfdf5;color:#065f46;border-color:#a7f3d0;}.alert.danger{background:#fef2f2;color:#991b1b;border-color:#fecaca;}.site-footer{border-top:1px solid var(--line);padding:1.6rem 0 2.2rem;color:var(--muted);background:rgba(255,255,255,0.35);}.footer-inner{align-items:flex-start;}.panel-body{background:#f0f4f3;}.panel-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh;}.sidebar{background:linear-gradient(180deg,#071614,#0b2421);color:#d7e5e1;padding:1.2rem;display:flex;flex-direction:column;gap:1.2rem;}.sidebar .brand-text strong{color:#fff;}.sidebar .brand-text small{color:#9cb5af;}.sidebar nav{display:flex;flex-direction:column;gap:.35rem;flex:1;}.sidebar nav a{padding:.7rem .85rem;border-radius:11px;color:#b7ccc7;font-weight:500;}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,0.08);color:#fff;}.sidebar .btn-ghost{color:#fff;border-color:rgba(255,255,255,0.18);}.panel-main{padding:1.4rem 1.6rem 2.5rem;}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem;gap:1rem;}.panel-top h1{margin:0;font-family:var(--display);font-size:1.55rem;letter-spacing:-.03em;}.muted{color:var(--muted);}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.9rem;}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem;}.stat strong{display:block;font-family:var(--display);font-size:1.6rem;letter-spacing:-.03em;}.stat span{color:var(--muted);font-size:.9rem;}.status-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.9rem;margin:1.2rem 0;}.status-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem;}.status-ok{color:var(--ok);font-weight:700;}.status-bad{color:var(--danger);font-weight:700;}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;}table{width:100%;border-collapse:collapse;}th,td{padding:.85rem 1rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}th{font-size:.85rem;color:var(--muted);background:#f8faf9;}.toolbar{display:flex;justify-content:space-between;gap:.8rem;margin-bottom:1rem;flex-wrap:wrap;}.surface{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.1rem;margin-bottom:1rem;}.check-grid{display:grid;gap:.7rem;}.check-grid label{display:flex;gap:.55rem;align-items:center;}.learn-layout{display:grid;grid-template-columns:280px 1fr;gap:1rem;}.lesson-list{display:flex;flex-direction:column;gap:.4rem;}.lesson-list a,.lesson-list span,.lesson-btn{display:block;width:100%;text-align:left;border:0;cursor:pointer;padding:.7rem .8rem;border-radius:11px;background:#f3f6f5;color:inherit;}.lesson-btn.is-active{background:rgba(13,115,119,0.14);color:var(--brand);font-weight:600;}.video-frame{aspect-ratio:16 / 9;width:100%;border:0;border-radius:14px;background:#000;}.email-shell{background:#071614;color:#e8efec;padding:28px 18px;font-family:Arial,sans-serif;}.email-card{max-width:560px;margin:0 auto;background:#ffffff;color:#12211e;border-radius:16px;overflow:hidden;}.email-head{background:linear-gradient(135deg,#0d7377,#095456);color:#fff;padding:22px;}.email-body{padding:22px;line-height:1.6;}.email-cta{display:inline-block;margin-top:14px;background:#0d7377;color:#fff !important;text-decoration:none;padding:12px 18px;border-radius:12px;font-weight:700;}.nav-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:1000;background:linear-gradient(90deg,var(--brand),var(--accent));opacity:0;pointer-events:none;transition:width .25s ease,opacity .2s ease;}.nav-progress.is-active{opacity:1;}.nav-progress.is-done{width:100% !important;opacity:1;}.page-main{}button:disabled{opacity:.7;cursor:wait;}.catalog{padding:2.4rem 0 4rem;position:relative;z-index:1;}.catalog-hero{max-width:640px;margin-bottom:1.8rem;}.catalog-eyebrow{display:inline-block;color:#0f8581;font-weight:700;font-size:.85rem;letter-spacing:.08em;margin-bottom:.55rem;}.catalog-hero h1{margin:0 0 .4rem;font-family:var(--display);font-size:clamp(1.8rem,3.5vw,2.4rem);letter-spacing:-.02em;color:#0a3632;}.catalog-hero p{margin:0;color:#6b6559;}.catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem;}.catalog-card{background:#fff;border:1px solid #d9cfb6;border-radius:14px;overflow:hidden;display:grid;grid-template-columns:180px 1fr;min-height:150px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}.catalog-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(10,54,50,0.1);border-color:rgba(15,133,129,0.4);}.catalog-thumb{position:relative;background:#0a3632;min-height:150px;}.catalog-thumb img{width:100%;height:100%;object-fit:cover;}.catalog-chip{position:absolute;left:10px;bottom:10px;background:rgba(10,54,50,0.75);color:#f8f5ee;font-size:.75rem;font-weight:700;padding:.25rem .55rem;border-radius:999px;}.catalog-body{padding:1rem 1.1rem;display:grid;align-content:center;gap:.4rem;}.catalog-body h2{margin:0;font-size:1.15rem;line-height:1.3;color:#0a3632;font-family:var(--display);}.catalog-body p{margin:0;color:#6b6559;font-size:.92rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.catalog-foot{display:flex;justify-content:space-between;align-items:center;margin-top:.45rem;padding-top:.7rem;border-top:1px dashed #d9cfb6;}.catalog-foot strong{color:#0f8581;font-size:1.15rem;}.catalog-foot span{color:#0a3632;font-weight:700;font-size:.9rem;}.catalog-card:hover .catalog-foot span{color:#0f8581;}.catalog-empty{grid-column:1 / -1;text-align:center;padding:2.5rem 1rem;border:1px dashed #d9cfb6;border-radius:14px;color:#6b6559;background:rgba(255,255,255,.6);}.catalog-pager{margin-top:1.5rem;}.catalog-pager .pager-btn{background:#fff;border-color:#d9cfb6;}.catalog-app{padding:1.5rem 0 3rem;position:relative;z-index:1;}.sd-app-home.catalog-app{padding-top:4px;padding-bottom:20px;}.catalog-app-head{margin-bottom:1rem;}.catalog-app-kicker{display:inline-block;color:#0f8581;font-weight:700;font-size:0.82rem;letter-spacing:0.06em;margin-bottom:0.4rem;}.catalog-app-head h1{margin:0 0 0.35rem;font-size:clamp(1.7rem,4vw,2.2rem);letter-spacing:-0.02em;color:#0a3632;line-height:1.25;}.catalog-app-head p{margin:0;color:#6b6559;font-size:0.95rem;line-height:1.55;max-width:36rem;}.catalog-app-search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #d9cfb6;border-radius:14px;padding:12px 14px;margin-bottom:12px;color:#6b6559;}.catalog-app-search svg{width:18px;height:18px;flex-shrink:0;}.catalog-app-search input{border:0;outline:0;width:100%;background:transparent;font:inherit;font-size:16px;color:#0a3632;}.catalog-filters{display:flex;gap:8px;margin-bottom:14px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;}.catalog-filters::-webkit-scrollbar{display:none;}.catalog-filter{flex:0 0 auto;border:1px solid #d9cfb6;background:#fff;color:#5e6e63;font:inherit;font-size:13.5px;font-weight:700;padding:9px 16px;border-radius:999px;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease,transform .12s ease;}.catalog-filter:active{transform:scale(0.96);}.catalog-filter.is-on{background:#0f8581;border-color:#0f8581;color:#fff;}.catalog-app-list{display:grid;gap:14px;}.catalog-app-card{display:block;background:#fff;border:1px solid #d9cfb6;border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 10px 28px -18px rgba(10,54,50,0.28);transition:transform .15s ease,box-shadow .15s ease;}.catalog-app-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px -16px rgba(10,54,50,0.3);}.catalog-app-card:active{transform:scale(0.985);}.catalog-app-thumb{position:relative;aspect-ratio:16 / 9;background:linear-gradient(145deg,#08332f,#0f8581);overflow:hidden;}.catalog-app-thumb img{width:100%;height:100%;object-fit:cover;display:block;}.catalog-app-chip{position:absolute;left:12px;bottom:12px;background:rgba(10,54,50,0.82);color:#f8f5ee;font-size:11.5px;font-weight:700;padding:5px 10px;border-radius:999px;backdrop-filter:blur(6px);}.catalog-app-chip.is-free{background:rgba(15,133,129,0.92);}.catalog-app-body{padding:14px 16px 16px;display:grid;gap:6px;}.catalog-app-body h2{margin:0;font-size:1.05rem;line-height:1.35;color:#0a3632;}.catalog-app-body p{margin:0;color:#6b6559;font-size:0.9rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.catalog-app-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;padding-top:12px;border-top:1px dashed #e5dfcf;}.catalog-app-foot strong{color:#0f8581;font-size:1.1rem;}.catalog-app-foot span{display:inline-flex;align-items:center;gap:2px;color:#0a3632;font-weight:700;font-size:0.88rem;}.catalog-app-foot svg{width:16px;height:16px;}.catalog-app-card:hover .catalog-app-foot span{color:#0f8581;}.catalog-app-empty{text-align:center;padding:2.2rem 1.2rem;border-radius:18px;background:#fff;border:1px dashed #d9cfb6;color:#6b6559;}.catalog-app-empty-ico{width:52px;height:52px;margin:0 auto 12px;border-radius:16px;display:grid;place-items:center;background:#e4f3f2;color:#0f8581;}.catalog-app-empty-ico svg{width:26px;height:26px;}.catalog-app-empty strong{display:block;color:#0a3632;font-size:1rem;margin-bottom:4px;}.catalog-app-empty p{margin:0;font-size:0.9rem;}.catalog-app-pager{margin-top:1.25rem;}@media(min-width:861px){.catalog-app-list{grid-template-columns:repeat(2,1fr);}.catalog-app:not(.sd-app-home){padding-top:2.2rem;}}@media(max-width:860px){.panel-shell,.learn-layout{grid-template-columns:1fr;}.sidebar{position:sticky;top:0;z-index:20;}.sidebar nav{flex-direction:row;flex-wrap:wrap;}.hero-stage{padding:7.5rem 0 3.5rem;}.hero-title{max-width:none;}.course-row{flex-direction:column;align-items:flex-start;}.catalog-grid{grid-template-columns:1fr;}.catalog-card{grid-template-columns:120px 1fr;}.is-home .site-header{background:rgba(7,22,20,0.72);backdrop-filter:blur(12px);}.page-main{padding-bottom:calc(1.5rem + var(--tabbar-h,0px));}.site-footer{margin-bottom:0;padding-bottom:calc(1.25rem + var(--tabbar-h,0px));}body.is-catalog .site-header{position:sticky;top:0;z-index:40;background:rgba(248,245,238,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,207,182,0.85);}body.is-catalog .site-footer{display:none;}body.is-catalog .page-main{padding-bottom:calc(0.5rem + var(--tabbar-h,58px));}.catalog-app:not(.sd-app-home){padding:12px 0 24px;}.catalog-app-head h1{font-size:1.65rem;}.catalog-app-card{border:none;border-radius:20px;box-shadow:0 10px 28px -16px rgba(10,54,50,0.3);}.catalog-app-card:hover{transform:none;}.catalog-app-thumb{aspect-ratio:16 / 10;}.catalog-app-body{padding:14px 14px 15px;}.catalog-app-list{gap:12px;}}
/* css/course-show.css */
.cs-page{padding-bottom:40px;}.cs-back{display:inline-flex;align-items:center;gap:4px;color:#4f6a65;text-decoration:none;font-size:14px;font-weight:600;margin:8px 0 16px;}.cs-back svg{width:18px;height:18px;}.cs-back:hover{color:#0a3632;}.cs-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,0.7fr);gap:22px;align-items:start;}.cs-hero{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:16 / 9;background:linear-gradient(135deg,#8a6a2a,#c0943a 55%,#0a3632);box-shadow:0 18px 36px -22px rgba(10,54,50,0.45);}.cs-hero img{width:100%;height:100%;object-fit:cover;display:block;}.cs-hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,40,38,0.35));pointer-events:none;}.cs-chip{position:absolute;left:14px;top:14px;z-index:1;background:rgba(192,148,58,0.95);color:#0a3632;font-size:12px;font-weight:700;padding:6px 11px;border-radius:999px;}.cs-chip.is-free{background:rgba(15,133,129,0.95);color:#fff;}.cs-head{margin:18px 0 8px;}.cs-head h1{margin:0;font-size:clamp(1.55rem,3vw,2rem);line-height:1.25;color:#0a3632;}.cs-lead{margin:10px 0 0;font-size:1.02rem;color:#4f6a65;line-height:1.55;max-width:54ch;}.cs-meta{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:14px;}.cs-meta span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#4f6a65;font-weight:600;}.cs-meta svg{width:15px;height:15px;color:#0f8581;}.cs-panel{margin-top:18px;background:#fff;border:1px solid #e4ebe8;border-radius:18px;padding:18px 18px 16px;box-shadow:0 10px 24px -20px rgba(10,54,50,0.35);}.cs-panel h2{margin:0 0 10px;font-size:1.05rem;color:#0a3632;}.cs-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;}.cs-panel-head h2{margin:0;}.cs-panel-head span{font-size:12.5px;font-weight:700;color:#0f8581;background:rgba(15,133,129,0.1);padding:4px 10px;border-radius:999px;}.cs-desc{white-space:pre-line;color:#355854;line-height:1.65;font-size:0.98rem;}.cs-lessons{list-style:none;margin:0;padding:0;display:grid;gap:8px;}.cs-lessons li{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;background:#f7faf9;border:1px solid #e8efec;}.cs-lesson-num{width:28px;height:28px;border-radius:8px;background:#0a3632;color:#f4ead0;display:grid;place-items:center;font-size:12px;font-weight:700;}.cs-lesson-title{font-size:14.5px;font-weight:600;color:#0a3632;}.cs-lesson-state{font-size:11.5px;font-weight:700;color:#7a8f8a;background:#eef3f1;padding:4px 8px;border-radius:999px;}.cs-lesson-state.is-open{color:#0f8581;background:rgba(15,133,129,0.12);}.cs-lesson-empty{display:block !important;text-align:center;color:#7a8f8a;padding:18px !important;}.cs-side{position:sticky;top:18px;}.cs-buy{background:#fff;border:1px solid #e4ebe8;border-radius:20px;padding:20px;box-shadow:0 18px 40px -24px rgba(10,54,50,0.4);}.cs-price-block{margin-bottom:14px;}.cs-price-label{display:block;font-size:12.5px;font-weight:700;color:#7a8f8a;letter-spacing:.04em;text-transform:uppercase;margin-bottom:4px;}.cs-price{font-size:2rem;line-height:1.1;color:#0a3632;font-weight:800;}.cs-price small{font-size:1.1rem;margin-left:2px;font-weight:700;}.cs-perks{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:8px;}.cs-perks li{position:relative;padding-left:22px;font-size:13.5px;color:#355854;font-weight:600;}.cs-perks li::before{content:"";position:absolute;left:0;top:5px;width:14px;height:14px;border-radius:50%;background:rgba(15,133,129,0.18);box-shadow:inset 0 0 0 4px #0f8581;}.cs-cta{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:13px;padding:14px 16px;font-family:inherit;font-size:15.5px;font-weight:700;text-decoration:none;cursor:pointer;color:#0a3632;background:linear-gradient(140deg,#d4ae55,#c0943a);box-shadow:0 14px 26px -14px rgba(160,120,40,0.55);transition:transform .12s ease,filter .12s ease,opacity .2s ease;}.cs-cta:hover{transform:translateY(-1px);filter:brightness(1.03);}.cs-cta:active{transform:scale(0.98);}.cs-cta.is-loading,.cs-cta:disabled{opacity:.78;cursor:wait;pointer-events:none;transform:none;}.cs-spinner{width:16px;height:16px;border:2.4px solid rgba(10,54,50,0.22);border-top-color:#0a3632;border-radius:50%;animation:csSpin .65s linear infinite;}@keyframes csSpin{to{transform:rotate(360deg);}}.cs-secure{margin:12px 0 0;text-align:center;font-size:12.5px;color:#7a8f8a;line-height:1.45;}.cs-note{margin:0 0 12px;padding:10px 12px;border-radius:11px;font-size:13.5px;line-height:1.45;}.cs-note.ok{background:rgba(15,133,129,0.1);color:#0f5855;border:1px solid rgba(15,133,129,0.22);}.cs-note.bad{background:#fef2f0;color:#a3281f;border:1px solid rgba(180,35,24,0.18);}.cs-checkout{max-width:560px;margin:0 auto;}.cs-checkout-card{background:#fff;border:1px solid #e4ebe8;border-radius:22px;padding:24px 22px 20px;box-shadow:0 20px 44px -26px rgba(10,54,50,0.42);}.cs-checkout-kicker{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#0f8581;margin-bottom:6px;}.cs-checkout-card h1{margin:0;font-size:1.55rem;color:#0a3632;}.cs-checkout-sub{margin:8px 0 0;color:#4f6a65;font-size:14.5px;line-height:1.5;}.cs-checkout-course{display:flex;gap:12px;align-items:center;margin:18px 0;padding:12px;border-radius:14px;background:#f7faf9;border:1px solid #e8efec;}.cs-checkout-course img{width:88px;height:56px;object-fit:cover;border-radius:10px;flex-shrink:0;}.cs-checkout-course strong{display:block;font-size:15px;color:#0a3632;margin-bottom:3px;}.cs-checkout-course span{font-size:12.5px;color:#7a8f8a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.cs-checkout-rows{display:grid;gap:10px;margin-bottom:16px;}.cs-checkout-rows > div{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:#4f6a65;}.cs-checkout-rows strong{color:#0a3632;}.cs-checkout-rows .is-total{margin-top:4px;padding-top:12px;border-top:1px dashed #d7e3df;font-size:15.5px;font-weight:700;}.cs-checkout-rows .is-total strong{font-size:1.25rem;color:#0a3632;}[x-cloak]{display:none !important;}@media(max-width:900px){.cs-layout{grid-template-columns:1fr;}.cs-side{position:static;order:-1;}.cs-buy{display:grid;grid-template-columns:1fr auto;gap:8px 14px;align-items:center;}.cs-price-block{margin:0;grid-column:1;}.cs-perks{display:none;}.cs-note{grid-column:1 / -1;}.cs-cta{grid-column:2;grid-row:1;width:auto;min-width:150px;padding:12px 14px;}.cs-secure{grid-column:1 / -1;text-align:left;margin-top:0;}.cs-buy > form{grid-column:2;grid-row:1;}.cs-buy > form .cs-cta{width:100%;}}@media(max-width:560px){.cs-buy{grid-template-columns:1fr;}.cs-cta,.cs-buy > form{grid-column:1;grid-row:auto;width:100%;}.cs-hero{border-radius:16px;}.cs-page{padding-bottom:88px;}}
/* css/app-tabbar.css */
:root{--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--tabbar-h:0px;--tabbar-bg:rgba(255,255,255,0.94);--tabbar-line:rgba(10,54,50,0.08);--tabbar-muted:#7a847c;--tabbar-active:#0a5c5f;}.app-tabbar{display:none;}@media(max-width:900px){:root{--tabbar-h:calc(64px + var(--safe-bottom));}html{scroll-padding-bottom:var(--tabbar-h);}body{padding-bottom:var(--tabbar-h);-webkit-tap-highlight-color:transparent;}.app-tabbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:90;width:100%;max-width:100%;box-sizing:border-box;height:var(--tabbar-h);padding:8px 6px var(--safe-bottom);background:var(--tabbar-bg);backdrop-filter:blur(22px) saturate(1.35);-webkit-backdrop-filter:blur(22px) saturate(1.35);border-top:1px solid var(--tabbar-line);box-shadow:0 -12px 32px rgba(8,51,47,0.08);}.app-tabbar .tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:48px;color:var(--tabbar-muted);border-radius:14px;text-decoration:none;transition:color .15s ease,transform .15s ease;-webkit-user-select:none;user-select:none;}.app-tabbar .tab-item:active{transform:scale(0.9);}.app-tabbar .tab-item.is-active{color:var(--tabbar-active);}.app-tabbar .tab-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:background .18s ease,width .18s ease,height .18s ease,border-radius .18s ease;}.app-tabbar .tab-icon svg{width:23px;height:23px;}.app-tabbar .tab-item.is-active .tab-icon{width:52px;height:30px;border-radius:16px;background:rgba(15,133,129,0.16);}.app-tabbar .tab-label{font-size:11px;font-weight:700;letter-spacing:0.01em;line-height:1.15;font-family:"Kalpurush","Nirmala UI",sans-serif;}.app-tabbar .tab-item-form{display:contents;}.app-tabbar .tab-item-form .tab-item{width:100%;border:none;background:transparent;font:inherit;cursor:pointer;padding:0;}.app-tabbar .tab-item-btn{width:100%;border:none;background:transparent;font:inherit;cursor:pointer;padding:0;color:inherit;}}