/* Tutorials (learning center): /ar/tutorials and /en/tutorials. Extends home.css and pages.css. */
.ln-hero{padding:128px 0 0;overflow:hidden}
.ln-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;padding-bottom:84px}
.ln-hero h1{font-size:clamp(34px,4.3vw,60px);font-weight:800;margin:22px 0 18px}
.ln-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--lime),#7ee0a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.ln-stats{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
.ln-stats li{display:flex;flex-direction:column;min-width:104px;padding:12px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.ln-stats b{font:800 24px/1.2 Inter,var(--font);color:#fff}
.ln-stats span{font-size:13px;color:rgba(255,255,255,.66)}
.ln-hero .hero-cta{margin-top:28px}
.ln-hero .btn svg{width:18px;height:18px}
/* A play symbol is not directional: never mirrored in Arabic. */
.ln-hero .btn-lime svg,[dir=rtl] .ln-hero .btn-lime svg{fill:currentColor;stroke:none;transform:none}
.ln-alt{display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:rgba(255,255,255,.78);font-weight:600;font-size:14.5px;border-bottom:1px dashed rgba(255,255,255,.3);padding-bottom:2px}
.ln-alt:hover{color:#fff;border-color:var(--lime)}

/* Hero art: a stack of episode covers and a progress card */
.ln-art{position:relative;min-height:400px}
.ln-shot{position:absolute;width:72%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#123f37;border:1px solid rgba(255,255,255,.14);box-shadow:0 40px 80px -36px rgba(0,0,0,.85)}
.ln-shot img{width:100%;height:100%;object-fit:cover}
.ln-shot:nth-child(1){top:0;inset-inline-end:0;transform:rotate(4deg);opacity:.55}
.ln-shot:nth-child(2){top:22%;inset-inline-start:0;transform:rotate(-5deg);opacity:.75}
.ln-shot:nth-child(3){top:40%;inset-inline-end:8%;transform:rotate(1.5deg);z-index:2}
[dir=rtl] .ln-shot:nth-child(1){transform:rotate(-4deg)}[dir=rtl] .ln-shot:nth-child(2){transform:rotate(5deg)}[dir=rtl] .ln-shot:nth-child(3){transform:rotate(-1.5deg)}
.ln-shot-play{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,transparent 40%,rgba(5,20,17,.55))}
.ln-shot-play i{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--deep);box-shadow:0 14px 34px -10px rgba(200,241,105,.9)}
.ln-shot-play svg{width:24px;height:24px;fill:currentColor;stroke:none;margin-inline-start:3px}
.ln-ring-card{position:absolute;z-index:3;bottom:2%;inset-inline-start:4%;display:flex;align-items:center;gap:14px;padding:14px 18px 14px 14px;border-radius:20px;background:rgba(255,255,255,.96);color:var(--ink);box-shadow:0 30px 60px -30px rgba(0,0,0,.7);animation:float 6s ease-in-out infinite}
[dir=rtl] .ln-ring-card{padding:14px 14px 14px 18px}
.ln-ring{width:54px;height:54px;transform:rotate(-90deg)}
.ln-ring circle{fill:none;stroke-width:6}
.ln-ring .bg{stroke:#e5eee8}.ln-ring .fg{stroke:var(--green);stroke-linecap:round;transition:stroke-dashoffset .6s ease}
.ln-ring-card b{display:block;font:800 18px/1.2 Inter,var(--font)}
[data-ln-progress],[data-ln-dur],.ln-item small{direction:ltr;unicode-bidi:isolate}
.ln-ring-card span{font-size:12.5px;color:var(--muted)}

/* Player and course outline */
.ln-watch{padding:70px 0 40px;background:var(--paper);scroll-margin-top:70px}
.ln-watch-grid{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:28px;align-items:start}
.ln-player{position:relative;aspect-ratio:16/9;border-radius:24px;overflow:hidden;background:#0a201c;box-shadow:0 40px 80px -45px rgba(11,38,34,.75)}
.ln-player iframe,.ln-player>div{position:absolute;inset:0;width:100%;height:100%;border:0}
.ln-cover{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#0a201c;cursor:pointer;color:#fff}
.ln-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ln-cover:hover img{transform:scale(1.025)}
.ln-cover-shade{position:absolute;inset:0;background:radial-gradient(60% 60% at 50% 50%,rgba(5,20,17,.15),rgba(5,20,17,.55))}
.ln-cover-play{position:absolute;top:50%;left:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--deep);box-shadow:0 0 0 12px rgba(200,241,105,.22),0 20px 40px -10px rgba(0,0,0,.6);transition:transform .2s}
.ln-cover:hover .ln-cover-play{transform:scale(1.07)}
.ln-cover-play svg{width:32px;height:32px;fill:currentColor;stroke:none;margin-left:4px}
.ln-cover-label{position:absolute;bottom:18px;inset-inline-start:20px;padding:7px 14px;border-radius:99px;background:rgba(5,20,17,.6);backdrop-filter:blur(8px);font-size:14px;font-weight:700}
.ln-end{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center;background:rgba(6,24,21,.88);backdrop-filter:blur(6px);color:#fff}
.ln-end small{color:var(--lime);font-weight:700;font-size:13px}
.ln-end b{font-size:clamp(18px,2.2vw,24px);max-width:560px;line-height:1.4}
.ln-end-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:6px}
.ln-now{padding:24px 6px 0}
.ln-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13.5px;color:var(--muted);font-weight:600}
.ln-meta b{color:var(--teal);font:800 13.5px/1 Inter,var(--font);letter-spacing:.02em}
.ln-tag{display:inline-block;padding:4px 11px;border-radius:99px;background:#e1efe6;color:var(--teal);font-size:12.5px;font-weight:800}
.ln-now h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:10px 0 8px}
.ln-now p{color:var(--muted);font-size:16px;max-width:760px}
.ln-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.ln-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 16px;border-radius:13px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-weight:700;font-size:14px;transition:border-color .2s,color .2s,background .2s}
.ln-btn:hover:not(:disabled){border-color:var(--teal);color:var(--teal)}
.ln-btn:disabled{opacity:.4;cursor:default}
.ln-btn svg{width:17px;height:17px}
[dir=rtl] .ln-btn .flip{transform:scaleX(-1)}
.ln-btn[aria-pressed=true]{background:#e3f6ea;border-color:#9ad8b6;color:#12804a}
.ln-feedback{min-height:22px;margin-top:10px;font-size:13.5px;color:var(--teal);font-weight:600}
.ln-feedback input{width:100%;max-width:520px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;font:inherit;direction:ltr}

.ln-outline{position:sticky;top:90px;display:flex;flex-direction:column;max-height:calc(100vh - 110px);border-radius:24px;background:#fff;border:1px solid var(--line);overflow:hidden}
.ln-outline header{padding:20px 20px 12px}
.ln-outline h3{font-size:17px;font-weight:800;display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.ln-outline h3 span{font:700 13px/1 Inter,var(--font);color:var(--muted)}
.ln-bar{height:7px;margin-top:12px;border-radius:99px;background:#e8efea;overflow:hidden}
.ln-bar i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--lime2));transition:width .6s ease}
.ln-list{list-style:none;margin:0;padding:6px 10px 12px;overflow-y:auto;overscroll-behavior:contain}
.ln-item{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px;border-radius:14px;transition:background .2s}
.ln-item:hover{background:var(--soft)}
.ln-item[aria-current=true]{background:#e6f4ec}
.ln-dot{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--soft);color:var(--muted);font:800 13px/1 Inter,var(--font)}
.ln-item[aria-current=true] .ln-dot{background:var(--deep);color:var(--lime)}
.ln-item.is-done .ln-dot{background:#d9f2e3;color:#12804a}
.ln-item.is-done .ln-dot:after{content:"✓";font-size:15px}
.ln-item.is-done .ln-dot span{display:none}
.ln-item strong{font-size:14px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ln-item small{font:600 12px/1 Inter,var(--font);color:var(--muted);direction:ltr}

/* Library */
.ln-library{padding-top:70px;background:var(--soft)}
.ln-lib-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.ln-lib-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
.ln-lib-head p{color:var(--muted);margin-top:6px}
.ln-search{position:relative;display:flex;align-items:center;width:min(360px,100%)}
.ln-search svg{position:absolute;inset-inline-start:16px;width:19px;height:19px;color:var(--muted);pointer-events:none}
.ln-search input{width:100%;height:52px;padding-inline:46px 16px;border-radius:16px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:15px}
.ln-search input:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 4px rgba(22,132,119,.12)}
.ln-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.ln-chip{min-height:40px;padding:7px 16px;border-radius:99px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-weight:700;font-size:14px;transition:all .2s}
.ln-chip:hover{border-color:var(--teal);color:var(--teal)}
.ln-chip[aria-pressed=true]{background:var(--deep);border-color:var(--deep);color:#fff}
.ln-chip em{font-style:normal;opacity:.6;margin-inline-start:6px;font-family:Inter,var(--font)}
.ln-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.ln-card a{display:flex;flex-direction:column;height:100%;border-radius:22px;background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.ln-card a:hover{transform:translateY(-4px);box-shadow:0 30px 60px -38px rgba(11,38,34,.55);border-color:#cfe0d6}
.ln-card a[aria-current=true]{border-color:var(--green);box-shadow:0 0 0 3px rgba(28,154,108,.18)}
.ln-thumb{position:relative;margin:0;aspect-ratio:16/9;background:#dfe8e3;overflow:hidden}
.ln-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ln-card a:hover .ln-thumb img{transform:scale(1.04)}
.ln-thumb .ln-dur{position:absolute;bottom:10px;inset-inline-end:10px;padding:3px 9px;border-radius:8px;background:rgba(5,20,17,.78);color:#fff;font:700 12px/1.4 Inter,sans-serif;direction:ltr}
.ln-thumb .ln-seen{position:absolute;top:10px;inset-inline-start:10px;padding:4px 10px;border-radius:99px;background:#d9f2e3;color:#12804a;font-size:12px;font-weight:800}
.ln-thumb .ln-hover{position:absolute;inset:0;display:grid;place-items:center;background:rgba(5,20,17,.35);opacity:0;transition:opacity .25s}
.ln-thumb .ln-hover i{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--deep)}
.ln-thumb .ln-hover svg{width:22px;height:22px;fill:currentColor;stroke:none;margin-inline-start:3px}
.ln-card a:hover .ln-hover,.ln-card a:focus-visible .ln-hover{opacity:1}
.ln-body{display:flex;flex-direction:column;gap:6px;padding:18px 20px 22px}
.ln-body .ln-meta{font-size:12.5px}
.ln-body h3{font-size:17px;font-weight:800;line-height:1.5}
.ln-body p{color:var(--muted);font-size:14.5px;line-height:1.7}
.ln-empty{padding:40px;text-align:center;border:1.5px dashed #c9d9cf;border-radius:22px;color:var(--muted)}
.ln-empty button{margin-inline-start:8px;border:0;background:none;color:var(--teal);font-weight:800;text-decoration:underline}
.ln-off{max-width:640px;margin:0 auto;padding:44px 32px;text-align:center;border-radius:28px;background:#fff;border:1px solid var(--line)}
.ln-off h2{font-size:26px;font-weight:800;margin-bottom:10px}
.ln-off p{color:var(--muted);margin-bottom:22px}
.learn .final{padding-top:0}

@media (max-width:1080px){.ln-watch-grid{grid-template-columns:minmax(0,1fr) 320px}}
@media (max-width:980px){
  .ln-hero-grid{grid-template-columns:1fr;gap:20px;padding-bottom:60px}
  .ln-art{min-height:300px;max-width:560px;width:100%;margin-inline:auto}
  .ln-watch-grid{grid-template-columns:1fr}
  .ln-outline{position:static;max-height:460px}
  .ln-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .ln-hero{padding-top:104px}
  .ln-art{min-height:230px}
  .ln-shot{width:78%}
  .ln-ring-card{bottom:0;padding:10px 14px 10px 10px}
  .ln-ring{width:44px;height:44px}
  .ln-stats li{min-width:0;flex:1}
  .ln-watch{padding-top:36px}
  .ln-player{border-radius:18px;margin-inline:-8px}
  .ln-cover-play{width:68px;height:68px;margin:-34px 0 0 -34px}
  .ln-actions .ln-btn{flex:1 1 auto;justify-content:center}
  .ln-grid{grid-template-columns:1fr}
  .ln-search{width:100%}
  .ln-chips{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:2px 16px 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .ln-chips::-webkit-scrollbar{display:none}
  .ln-chip{flex:none}
}
@media (prefers-reduced-motion:reduce){.ln-ring-card{animation:none}.ln-card a,.ln-thumb img,.ln-cover img{transition:none}}