/* ================= Lesson popup + activation dialog ================= */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:18px;overflow-y:auto}
.modal[hidden]{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(4,10,40,.8);backdrop-filter:blur(5px)}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}}
body.noscroll{overflow:hidden}
.lesson:focus,.act:focus{outline:none}

.toast{position:fixed;z-index:200;bottom:24px;inset-inline:0;margin:auto;width:max-content;max-width:calc(100% - 32px);padding:14px 26px;border-radius:50px;background:#0c1a4b;color:#fff;font-weight:800;font-size:17px;box-shadow:0 20px 40px -12px rgba(0,0,0,.5);animation:pop .22s ease-out}
.toast[hidden]{display:none}

/* ---------- lesson ---------- */
.lesson{position:relative;width:min(1180px,100%);max-height:calc(100vh - 36px);max-height:calc(100dvh - 36px);overflow-y:auto;border-radius:30px;color:#fff;animation:pop .22s ease-out;
  background:radial-gradient(700px 300px at 85% 0%,rgba(60,120,255,.35),transparent 70%),linear-gradient(180deg,#0c2f94,#07205f 60%,#051a52);
  box-shadow:0 0 0 3px rgba(255,255,255,.85),0 0 0 7px rgba(60,120,255,.35),0 50px 100px -20px rgba(0,0,0,.7)}
.l-head{display:flex;align-items:center;gap:16px;padding:18px 28px 16px}
.l-course{flex:none;padding:10px 24px;border-radius:30px;font-weight:800;font-size:17px;border:1.5px solid rgba(110,160,255,.7);background:rgba(10,40,130,.5);white-space:nowrap}
.l-title{flex:1;display:flex;align-items:center;justify-content:center;gap:14px;min-width:0;font-size:27px;font-weight:900;line-height:1.35;text-align:center}
.l-title>span:last-child{min-width:0}
.l-play{flex:none;order:2;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,#3a7bff,#1c52e8);box-shadow:0 8px 16px -6px rgba(28,82,232,.9)}
.l-play svg{width:20px;height:20px;fill:#fff;margin-right:-2px}
.l-x{flex:none;width:44px;height:44px;border:0;border-radius:50%;cursor:pointer;display:grid;place-items:center;background:none;color:#fff;transition:background .15s}
.l-x:hover{background:rgba(255,255,255,.14)}

.l-body{margin:0 14px 14px;padding:16px;border-radius:24px;background:linear-gradient(180deg,#f7faff,#eaf1ff);color:var(--navy);box-shadow:inset 0 0 0 1px rgba(255,255,255,.9)}
.l-main{display:grid;grid-template-columns:minmax(260px,350px) minmax(0,1fr);gap:18px;align-items:start}
.l-main.no-links{grid-template-columns:minmax(0,1fr)}
.l-links{order:-1}

/* video */
.l-video{position:relative;aspect-ratio:16/9;width:min(100%,max(340px,calc((100vh - 330px) * 1.7778)));margin-inline:auto;border-radius:18px;overflow:hidden;background:#050b2e;box-shadow:0 20px 40px -22px rgba(5,20,90,.9)}
.l-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.lv-lock{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:8px;padding:14px 18px 72px;text-align:center;color:#fff;border:0;width:100%;font-family:inherit;cursor:default;
  background:radial-gradient(60% 80% at 80% 20%,#3a2f9a,transparent 70%),radial-gradient(60% 80% at 15% 90%,#1a54d6,transparent 70%),linear-gradient(140deg,#14246f,#070f3d)}
.lv-lock .lv-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(10px) brightness(.5);transform:scale(1.1)}
.lv-lock .lv-ic{position:absolute;inset:0;margin:auto;height:62%;width:auto;max-width:48%;object-fit:contain;opacity:.3;filter:blur(2.5px) saturate(.9);transform:translateX(-22%)}
.lv-lock>*:not(.lv-bg):not(.lv-ic):not(.lv-bar){position:relative}
.lv-circle{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);border:2.5px solid rgba(255,255,255,.55);box-shadow:0 0 0 8px rgba(255,255,255,.06)}
.lv-circle svg{width:40px;height:40px;fill:#fff}
.lv-lock h3{font-size:32px;font-weight:900;line-height:1.3;text-shadow:0 3px 12px rgba(0,0,0,.5)}
.lv-lock p{font-size:19px;font-weight:600;color:#e2ebff;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.lv-cta{display:inline-flex;align-items:center;gap:12px;margin-top:4px;height:54px;padding:0 34px;border:0;border-radius:40px;cursor:pointer;font-family:inherit;font-weight:900;font-size:22px;color:#0b1a4f;
  background:linear-gradient(180deg,#ffd84a,#ffb300);box-shadow:0 16px 28px -10px rgba(255,179,0,.8),inset 0 2px 0 rgba(255,255,255,.55);transition:transform .2s}
.lv-cta:hover{transform:translateY(-2px)}
.lv-cta svg{width:28px;height:28px;fill:#0b1a4f}
.lv-bar{position:absolute;z-index:2;inset-inline:0;bottom:0;display:flex;flex-direction:column;gap:8px;padding:30px 20px 14px;direction:ltr;color:#fff;pointer-events:none;background:linear-gradient(to top,rgba(0,0,0,.6),transparent)}
.lv-track{height:4px;border-radius:4px;background:rgba(255,255,255,.35);position:relative}
.lv-track::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2%;background:#fff;border-radius:4px}
.lv-ctl{display:flex;align-items:center;gap:16px}
.lv-ctl svg{width:24px;height:24px;fill:#fff;flex:none}
.lv-ctl .t{font-family:Poppins,Tajawal,sans-serif;font-weight:600;font-size:15px;color:#dfe8ff}
.lv-ctl .sp{flex:1}
.lv-ctl .hd{position:relative}
.lv-ctl .hd::after{content:"HD";position:absolute;top:-7px;right:-9px;font-size:8px;font-weight:800;background:#2d63f2;border-radius:3px;padding:0 3px;font-family:Poppins,sans-serif}
.lv-soon{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#fff;font-weight:800;font-size:22px;background:linear-gradient(140deg,#14246f,#070f3d)}

/* links panel */
.l-links{border-radius:20px;padding:16px 14px 14px;background:linear-gradient(180deg,#fff,#f1f6ff);box-shadow:0 16px 30px -22px rgba(20,60,170,.6),0 0 0 1px rgba(255,255,255,.9)}
.ll-head{display:flex;align-items:center;gap:12px;padding:2px 6px 14px}
.ll-head>svg{width:40px;height:40px;fill:none;stroke:#1c52e8;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ll-head h3{font-size:22px;font-weight:900;line-height:1.3;color:var(--navy)}
.ll-head p{font-size:13.5px;font-weight:600;color:#4a5a86;margin-top:2px}
.ll-groups{display:grid;gap:10px}
.lg{border-radius:14px;background:#fff;box-shadow:0 6px 14px -10px rgba(20,60,170,.6),0 0 0 1px #e3ebfc;overflow:hidden}
.lg-h{display:flex;align-items:center;gap:12px;width:100%;padding:0 14px;height:52px;border:0;cursor:pointer;font-family:inherit;font-weight:800;font-size:17px;color:var(--navy);background:#fff;text-align:right}
.lg-h>svg:first-child{width:26px;height:26px;fill:#1c52e8;flex:none}
.lg-h span{flex:1}
.lg-h .chev{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s;flex:none}
.lg.open .lg-h{background:linear-gradient(180deg,#2d6bf5,#1348d3);color:#fff}
.lg.open .lg-h>svg:first-child{fill:#fff}
.lg.open .chev{transform:rotate(180deg)}
.lg-list{display:none}
.lg.open .lg-list{display:block}
.lk{display:flex;align-items:center;gap:12px;width:100%;padding:0 14px;height:50px;border:0;border-top:1px solid #edf1fb;background:#fff;cursor:pointer;font-family:inherit;font-weight:700;font-size:16px;color:var(--navy);text-align:right;transition:background .15s}
.lk:first-child{border-top:0}
.lk:hover{background:#f0f5ff}
.lk>svg{width:22px;height:22px;flex:none;fill:none;stroke:#1c52e8;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.lk span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* prev / next */
.l-nav{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;margin-top:16px;padding:12px 22px;border-radius:20px;background:linear-gradient(180deg,#fff,#f3f7ff);box-shadow:0 14px 28px -22px rgba(20,60,170,.6),0 0 0 1px #e3ebfc}
.ln-btn{display:flex;align-items:center;gap:16px;min-width:230px;height:62px;padding:0 24px;border:0;border-radius:16px;cursor:pointer;font-family:inherit;color:#fff;text-align:center;
  background:linear-gradient(180deg,#1f5df0,#0d36b8);box-shadow:0 14px 24px -12px rgba(13,54,184,.9),inset 0 1px 0 rgba(255,255,255,.35);transition:transform .2s,opacity .2s}
.ln-btn:hover:not(:disabled){transform:translateY(-2px)}
.ln-btn:disabled{opacity:.38;cursor:default;box-shadow:none}
.ln-btn span{flex:1;line-height:1.3}
.ln-btn strong{display:block;font-size:22px;font-weight:900}
.ln-btn small{display:block;font-size:15px;font-weight:600;opacity:.92}
.ln-btn svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ln-count{display:grid;justify-items:center;gap:8px}
.ln-count b{font-family:Poppins,Tajawal,sans-serif;font-size:21px;font-weight:700;direction:ltr;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.ln-count b::after{content:"";width:22px;height:22px;border-radius:6px;background:#1c52e8 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 7.5v9l7.5-4.5z'/%3E%3C/svg%3E") center/18px no-repeat}
.ln-bar{width:min(100%,460px);height:12px;border-radius:12px;background:#bdd0fa;overflow:hidden;position:relative}
.ln-bar i{position:absolute;inset-block:0;inset-inline-start:0;border-radius:12px;background:linear-gradient(90deg,#1c52e8,#0d36b8);transition:width .3s}

/* ---------- activation dialog ---------- */
#dialog{z-index:110}
.act{position:relative;width:min(1020px,100%);display:grid;grid-template-columns:1.05fr .95fr;border-radius:34px;overflow:hidden;animation:pop .22s ease-out;color:var(--navy);
  background:linear-gradient(180deg,#fafcff,#eaf1ff);box-shadow:0 0 0 2px rgba(255,255,255,.9),0 50px 100px -20px rgba(0,0,0,.7)}
.act-x{position:absolute;z-index:5;top:16px;right:16px;left:auto;width:42px;height:42px;border:0;border-radius:50%;cursor:pointer;display:grid;place-items:center;background:#e4ebfb;color:#33407a}
.act-x:hover{background:#d4defa}
.act-form{padding:30px 40px 26px;text-align:center}
.act-logo{justify-content:center;margin-bottom:6px}
.act-logo .wordmark{font-size:38px}
.act-form h2{font-size:38px;white-space:nowrap;font-weight:900;line-height:1.35;color:var(--navy)}
.act-form h2 mark{display:inline-block;padding:0 18px;border-radius:16px;color:#0b1a4f;background:linear-gradient(180deg,#ffd84a,#ffb300);box-shadow:0 10px 18px -10px rgba(255,179,0,.9);transform:rotate(-2deg)}
.act-form>p{margin:12px auto 18px;max-width:420px;font-size:19px;font-weight:600;line-height:1.75;color:#1b2a5f}
.act-form>p b{color:#1c52e8;font-family:Poppins,Tajawal,sans-serif}
.act-field{display:flex;align-items:center;gap:12px;height:68px;padding:0 20px;border-radius:18px;background:#fff;border:2.5px solid #2f66f0;color:#4a5a86;transition:box-shadow .15s}
.act-field:focus-within{box-shadow:0 0 0 5px rgba(28,82,232,.15)}
.act-field svg{width:34px;height:34px;flex:none;color:#2d4aa6}
.code-input{flex:1;min-width:0;height:100%;border:0;outline:0;background:none;font-family:inherit;font-size:20px;font-weight:700;color:var(--navy);text-align:right}
.code-input::placeholder{color:#6b7aa6;font-weight:600;letter-spacing:0}
.code-input:not(:placeholder-shown){direction:ltr;text-align:center;text-transform:uppercase;font-family:Poppins,Tajawal,sans-serif;font-size:30px;letter-spacing:10px}
.code-err{min-height:28px;margin:8px 0 4px;font-size:15.5px;font-weight:700;color:#d92d20;line-height:1.5}
.act-go,.act-wa{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;height:62px;border:0;border-radius:18px;cursor:pointer;font-family:inherit;font-weight:900;font-size:22px;color:#fff;transition:transform .2s}
.act-go:hover,.act-wa:hover{transform:translateY(-2px)}
.act-go{background:linear-gradient(180deg,#2d6bf5,#1239c0);box-shadow:0 16px 26px -12px rgba(18,57,192,.85),inset 0 1px 0 rgba(255,255,255,.35)}
.act-go[disabled]{opacity:.65;cursor:wait}
.act-go svg{width:28px;height:28px}
.act-wa{margin-top:14px;justify-content:space-between;padding:0 22px;background:linear-gradient(180deg,#19b53a,#0a8a22);box-shadow:0 16px 26px -12px rgba(10,138,34,.85),inset 0 1px 0 rgba(255,255,255,.35)}
.act-wa svg:first-child{width:34px;height:34px;fill:#fff;flex:none}
.act-wa .arr{width:28px;height:28px;flex:none}
.act-wa{gap:12px}
.act-wa>:nth-child(2){flex:1}
.act-how{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;margin-top:18px;padding:16px 20px 16px 8px;border-radius:20px;text-align:right;
  background:linear-gradient(135deg,#e7f8ee,#d6f3e2);box-shadow:inset 0 0 0 1px rgba(255,255,255,.9)}
.act-how h3{font-size:21px;font-weight:900;margin-bottom:6px}
.act-how p{display:flex;align-items:flex-start;gap:10px;font-size:16.5px;font-weight:600;line-height:1.7;color:#27406b}
.act-how .ck{width:26px;height:26px;flex:none;margin-top:2px}
.act-how .ck circle{fill:#22b14c}
.act-how .ck path{fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.act-how img{width:96px;height:auto;margin-block:-14px -10px;filter:drop-shadow(0 12px 12px rgba(10,60,40,.3))}

.act-side{position:relative;padding:30px 24px 28px;color:#fff;border-radius:0 130px 130px 0;
  background:radial-gradient(90% 55% at 30% 0%,#2f7bff,transparent 70%),linear-gradient(170deg,#1a5df0 0%,#0b3bb8 55%,#082a86 100%)}
.act-hero{width:92%;max-width:400px;margin:6px auto 6px;filter:drop-shadow(0 22px 24px rgba(0,10,70,.55))}
.act-side ul{list-style:none;display:grid;gap:10px;margin-top:6px}
.act-side li{display:flex;flex-direction:row-reverse;align-items:center;gap:14px;min-height:76px;padding:8px 16px 8px 18px;border-radius:40px;font-weight:800;font-size:17px;line-height:1.45;
  background:linear-gradient(180deg,rgba(10,40,150,.75),rgba(6,26,100,.75));border:1.5px solid rgba(120,170,255,.3);box-shadow:0 10px 18px -12px rgba(0,0,0,.6)}
.act-side li>img{width:58px;height:50px;object-fit:contain;flex:none;filter:drop-shadow(0 6px 6px rgba(0,0,0,.35))}
.act-side li>span{flex:1;text-align:right}
.act-side li>svg{width:36px;height:36px;flex:none}
.act-side li circle{fill:#1fb457}
.act-side li path{fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}

.act-mtop{display:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .l-head{padding:14px 18px 12px}
  .l-title{font-size:22px}
  .l-course{font-size:14.5px;padding:8px 16px}
  .l-main{grid-template-columns:minmax(230px,300px) minmax(0,1fr)}
  .lv-lock h3{font-size:26px}.lv-lock p{font-size:16px}
  .ln-btn{min-width:180px}
  .act{grid-template-columns:1fr 1fr}
  .act-form{padding:26px 24px 22px}
  .act-form h2{font-size:32px}
  .act-side{border-radius:0 90px 90px 0}
}
@media (max-width:350px){
  .l-video.locked{aspect-ratio:1/1}
  .lv-lock p{display:none}
  .l-nav{gap:6px;padding:6px}
  .ln-btn small{display:none}
  .ln-btn strong{font-size:15px}
}
@media (max-width:760px){
  .modal{padding:10px;align-items:center}
  .lesson{max-height:calc(100vh - 20px);max-height:calc(100dvh - 20px);border-radius:26px}
  .l-head{display:grid;grid-template-columns:auto 1fr auto;gap:10px;padding:14px 12px 12px}
  .l-course{padding:7px 12px;font-size:12px;line-height:1.35;white-space:normal;max-width:118px;text-align:center}
  .l-title{font-size:16.5px;gap:8px;justify-content:center}
  .l-play{display:none}
  .l-x{width:38px;height:38px}
  .l-body{margin:0 8px 8px;padding:10px;border-radius:20px}
  .l-main,.l-main.no-links{grid-template-columns:1fr;gap:12px}
  .l-links{order:0;padding:12px 10px}
  .l-video{width:100%;border-radius:14px}
  .l-video.locked{aspect-ratio:4/3}
  .lv-lock{gap:6px;padding:12px 10px 52px}
  .lv-circle{width:58px;height:58px;box-shadow:0 0 0 5px rgba(255,255,255,.06)}.lv-circle svg{width:30px;height:30px}
  .lv-lock h3{font-size:19px}.lv-lock p{font-size:13px}
  .lv-cta{height:42px;padding:0 20px;font-size:16px;gap:8px;margin-top:2px}.lv-cta svg{width:20px;height:20px}
  .lv-bar{padding:20px 12px 8px;gap:5px}.lv-ctl{gap:10px}.lv-ctl svg{width:18px;height:18px}.lv-ctl .t{font-size:12px}
  .ll-head>svg{width:34px;height:34px}.ll-head h3{font-size:19px}.ll-head p{font-size:12.5px}
  .lg-h{height:48px;font-size:15.5px}.lk{height:46px;font-size:15px}
  .l-nav{grid-template-columns:auto 1fr auto;gap:8px;padding:8px;border-radius:16px;margin-top:12px}
  .ln-btn{min-width:0;height:54px;padding:0 10px;gap:6px;border-radius:13px}
  .ln-btn strong{font-size:16px}.ln-btn small{font-size:12.5px}.ln-btn svg{width:20px;height:20px}
  .ln-count b{font-size:17px}.ln-count b::after{width:18px;height:18px;background-size:15px}
  .ln-bar{height:9px}

  /* activation dialog — phone design: blue top (logo + art) → curved white sheet → feature rows */
  #dialog{align-items:center;padding:12px}
  .act{grid-template-columns:1fr;max-height:96vh;max-height:96dvh;overflow-y:auto;border-radius:30px;background:linear-gradient(180deg,#f4f8ff,#e6efff)}
  .act-mtop{display:grid;justify-items:center;gap:0;order:1;padding:18px 16px 40px;background:radial-gradient(90% 70% at 50% 0%,#3d86ff,transparent 70%),linear-gradient(180deg,#1c63ee,#0f43c8)}
  .act-mtop .logo{padding:2px 14px;border-radius:14px;background:rgba(255,255,255,.96)}
  .act-mtop .wordmark{font-size:30px}.act-mtop .logo img{width:38px;height:38px}
  .act-mtop .act-hero{width:80%;max-width:290px;margin:6px auto 0;filter:drop-shadow(0 16px 18px rgba(0,10,70,.5))}
  .act-logo,.act-side .act-hero{display:none}
  .act-form{order:2;margin-top:-30px;padding:22px 16px 6px;border-radius:34px 34px 0 0;background:linear-gradient(180deg,#fafcff,#eef4ff);position:relative}
  .act-form h2{font-size:30px}
  .act-form h2 mark{padding:0 12px;border-radius:12px}
  .act-form>p{font-size:15.5px;margin:8px auto 14px}
  .act-field{height:58px;padding:0 14px}.act-field svg{width:28px;height:28px}
  .code-input{font-size:17px}.code-input:not(:placeholder-shown){font-size:26px;letter-spacing:8px}
  .act-go,.act-wa{height:56px;font-size:18px;border-radius:15px}
  .act-wa{font-size:16.5px;padding:0 14px;gap:8px}
  .act-wa svg:first-child{width:26px;height:26px}
  .act-wa .arr{display:none}
  .act-wa>:nth-child(2){text-align:center}
  .act-how{padding:12px 14px 12px 4px}.act-how h3{font-size:17.5px}.act-how p{font-size:14.5px}
  .act-how>div{border-inline-end:1.5px solid rgba(34,177,76,.35);padding-inline-end:12px}
  .act-how img{width:92px;margin-block:-16px -12px}
  .act-side{order:3;border-radius:0;padding:4px 16px 20px;background:linear-gradient(180deg,#eef4ff,#e6efff);color:var(--navy)}
  .act-side ul{gap:8px;margin-top:0}
  .act-side li{min-height:56px;font-size:15px;padding:6px 12px 6px 14px;gap:10px;border-radius:30px;color:var(--navy);
    background:linear-gradient(180deg,#fff,#f1f5ff);border:1.5px solid #d3e0fa;box-shadow:0 8px 14px -12px rgba(20,60,170,.6)}
  .act-side li>img{width:44px;height:38px}.act-side li>svg{width:28px;height:28px}
  .act-side li circle{fill:#22b14c}
  .act-x{top:12px;left:auto;right:12px;width:38px;height:38px;background:rgba(255,255,255,.92);color:#33407a}
}