:root{
  --bg:#0B1020;--bg2:#0E1430;--panel:rgba(18,24,48,.86);--panel2:#151C3A;--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);
  --text:#EEF1FF;--muted:#A9B1D6;--dim:#7A83AD;
  --mag:#FF2E93;--org:#FF8A00;--cyan:#3DE0FF;--pur:#8B5CFF;--ok:#3DDC97;--warn:#FFB020;--bad:#FF5470;
  --grad:linear-gradient(100deg,#FF2E93,#FF8A00);--grad2:linear-gradient(100deg,#8B5CFF,#3DE0FF);
  --r:18px;--side:250px;--tab:64px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Cairo,system-ui,sans-serif;font-size:16px;line-height:1.65;min-height:100svh;
  background-image:radial-gradient(700px circle at 100% -10%,rgba(255,46,147,.12),transparent 60%),radial-gradient(600px circle at -10% 110%,rgba(61,224,255,.08),transparent 60%);background-attachment:fixed}
a{color:inherit}
img,video,iframe{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
.num{font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate}
.muted{color:var(--muted)}.dim{color:var(--dim)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad2{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.boot{min-height:100svh;display:grid;place-items:center}
.boot img{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.4;transform:scale(.94)}}

/* layout */
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:100svh}
.side{position:sticky;top:0;height:100svh;border-left:1px solid var(--line);background:rgba(11,16,32,.7);backdrop-filter:blur(12px);padding:22px 16px;display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;text-decoration:none}
.brand img{width:38px;height:38px}
.brand b{display:block;font-size:1rem;line-height:1.2}.brand small{color:var(--muted);font-size:.78rem}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;text-decoration:none;color:var(--muted);font-weight:700;position:relative}
.nav a:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav a.on{background:linear-gradient(100deg,rgba(255,46,147,.16),rgba(255,138,0,.08));color:var(--text)}
.nav a.on::before{content:"";position:absolute;right:-16px;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad)}
.nav svg{width:20px;height:20px;flex:none}
.nav .sep{height:1px;background:var(--line);margin:10px 8px}
.nav .lbl{font-size:.75rem;color:var(--dim);padding:4px 12px;font-weight:700}
.side .me{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-radius:14px;background:rgba(255,255,255,.03);text-decoration:none}
.badge-dot{position:absolute;left:10px;top:50%;transform:translateY(-50%);min-width:20px;height:20px;border-radius:10px;background:var(--mag);color:#fff;font-size:.72rem;display:grid;place-items:center;padding:0 6px;font-weight:800}
main.view{padding:28px clamp(16px,3vw,40px) 60px;max-width:1180px;width:100%}
.topbar{display:none}
.tabbar{display:none}

@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{display:none}
  .topbar{display:flex;position:sticky;top:0;z-index:20;align-items:center;justify-content:space-between;padding:10px 16px;background:rgba(11,16,32,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  .topbar .brand{padding:0}
  .topbar .brand img{width:32px;height:32px}
  main.view{padding:18px 16px calc(var(--tab) + 28px + env(safe-area-inset-bottom))}
  .tabbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;position:fixed;bottom:0;left:0;right:0;z-index:20;height:calc(var(--tab) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(11,16,32,.94);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
  .tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;color:var(--dim);font-size:.72rem;font-weight:700;position:relative}
  .tabbar a.on{color:var(--text)}
  .tabbar a.on svg{stroke:url(#g)}
  .tabbar svg{width:22px;height:22px}
  .tabbar .badge-dot{left:auto;right:calc(50% - 22px);top:8px;transform:none;min-width:16px;height:16px;font-size:.65rem}
}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);display:grid;place-items:center;cursor:pointer;position:relative;text-decoration:none}
.icon-btn svg,main .icon-btn svg{width:20px;height:20px}
.icon-btn .badge-dot{left:-4px;top:-4px;transform:none;min-width:18px;height:18px}

/* building blocks */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:900}
.page-head p{color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card.tight{padding:14px}
.card h3{font-size:1.08rem;font-weight:800}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3{grid-template-columns:1fr}}
.stack{display:grid;gap:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row.between{justify-content:space-between}
.spacer{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);font-weight:800;cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .15s,background .15s}
.btn:hover{background:rgba(255,255,255,.08)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--grad);border:0;color:#fff;box-shadow:0 10px 30px -12px rgba(255,46,147,.7)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ok{background:rgba(61,220,151,.14);border-color:rgba(61,220,151,.4);color:#B7F5DA}
.btn.danger{background:rgba(255,84,112,.1);border-color:rgba(255,84,112,.35);color:#FFC2CC}
.btn.wa{background:#1FAF5A;border:0;color:#fff}
.btn.sm{min-height:34px;padding:0 12px;font-size:.88rem}
.btn.block{width:100%}
.btn[disabled]{opacity:.55;pointer-events:none}
.btn svg{width:18px;height:18px}
.link{background:none;border:0;padding:0;color:var(--cyan);font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.link svg{width:18px;height:18px}
main svg,.dlg svg{width:18px;height:18px;flex:none}
.tag{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:800;border:1px solid var(--line2);background:rgba(255,255,255,.04);white-space:nowrap}
.tag.starter{color:#BFE9FF;border-color:rgba(61,224,255,.35)}
.tag.pro{color:#FFD3E8;border-color:rgba(255,46,147,.45);background:rgba(255,46,147,.1)}
.tag.vip{color:#FFE2B8;border-color:rgba(255,138,0,.5);background:rgba(255,138,0,.12)}
.tag.active,.tag.paid{color:#B7F5DA;border-color:rgba(61,220,151,.4)}
.tag.pending{color:#FFE2A8;border-color:rgba(255,176,32,.45)}
.tag.disabled,.tag.rejected,.tag.refunded{color:#FFC2CC;border-color:rgba(255,84,112,.4)}
.tag.admin{color:#fff;border:0;background:var(--grad)}
.avatar{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:900;color:#fff;background:var(--grad2);font-size:1rem}
.avatar.sm{width:32px;height:32px;font-size:.85rem}
.avatar.admin{background:var(--grad)}
.empty{padding:36px 16px;text-align:center;color:var(--muted)}
.empty b{display:block;color:var(--text);font-size:1.05rem;margin-bottom:4px}

/* forms */
.field{display:grid;gap:6px}
.field>span{font-weight:700;font-size:.92rem}
.field small{color:var(--dim);font-size:.8rem}
.input,select.input,textarea.input{width:100%;min-height:46px;padding:10px 14px;border-radius:14px;border:1.5px solid var(--line2);background:rgba(0,0,0,.25);outline:none;transition:border-color .15s}
textarea.input{min-height:96px;resize:vertical;line-height:1.6}
.input:focus{border-color:var(--mag)}
.input.ltr{direction:ltr;text-align:right}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:6px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:14px;padding:4px}
.seg button{border:0;background:none;padding:8px 6px;border-radius:10px;font-weight:800;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--panel2);color:var(--text);box-shadow:0 0 0 1px var(--line2) inset}
.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0}
.choice label{display:grid;gap:0;border:1.5px solid var(--line2);border-radius:14px;padding:10px 12px;cursor:pointer;font-weight:800;height:100%}
.choice label small{color:var(--muted);font-weight:600;font-size:.8rem}
.choice input:checked+label{border-color:var(--mag);background:linear-gradient(100deg,rgba(255,46,147,.16),rgba(255,138,0,.08))}
.choice input:focus-visible+label{outline:2px solid var(--org);outline-offset:2px}
.err{color:#FFB3C0;font-weight:700;font-size:.9rem}
.check{display:flex;align-items:center;gap:8px;font-weight:700;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--mag)}

/* auth */
.auth{min-height:100svh;display:grid;place-items:center;padding:24px 16px}
.auth .card{width:min(460px,100%);padding:28px}
.auth .logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:18px;text-decoration:none}
.auth .logo img{width:52px;height:52px}
.auth h1{font-size:1.5rem;font-weight:900;text-align:center;margin-bottom:4px}
.auth .sub{color:var(--muted);text-align:center;margin-bottom:18px}

/* classroom */
.hello{display:grid;grid-template-columns:1.3fr 1fr;gap:16px;margin-bottom:22px}
@media (max-width:860px){.hello{grid-template-columns:1fr}}
.progress{height:10px;border-radius:10px;background:rgba(255,255,255,.07);overflow:hidden}
.progress i{display:block;height:100%;background:var(--grad);border-radius:10px;transition:width .6s}
.continue{display:flex;gap:14px;align-items:center;text-decoration:none;background:linear-gradient(120deg,rgba(255,46,147,.16),rgba(139,92,255,.12));border-color:rgba(255,46,147,.3)}
.play{width:52px;height:52px;border-radius:50%;background:var(--grad);display:grid;place-items:center;flex:none;box-shadow:0 10px 30px -10px rgba(255,46,147,.8)}
main .play svg{width:22px;height:22px;fill:#fff;margin-right:-3px}
.module{padding:0;overflow:hidden}
.module>summary{list-style:none;display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer}
.module>summary::-webkit-details-marker{display:none}
.module .mnum{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:900;background:var(--panel2);border:1px solid var(--line2);flex:none}
.module .mnum svg{width:22px;height:22px}
.module.done .mnum{background:rgba(61,220,151,.14);border-color:rgba(61,220,151,.4);color:var(--ok)}
.module .mtitle{flex:1;min-width:0}
.module .mtitle b{display:block}
.module .mtitle small{color:var(--muted)}
.module .chev{transition:transform .2s;opacity:.6}
.module[open] .chev{transform:rotate(180deg)}
.lessons{border-top:1px solid var(--line)}
.lesson-row{display:flex;align-items:center;gap:12px;padding:12px 18px;text-decoration:none;border-bottom:1px solid var(--line)}
.lesson-row:last-child{border-bottom:0}
.lesson-row:hover{background:rgba(255,255,255,.03)}
.lesson-row .st{width:26px;height:26px;border-radius:50%;border:2px solid var(--line2);display:grid;place-items:center;flex:none}
.lesson-row.done .st{background:var(--ok);border-color:var(--ok)}
.lesson-row.done .st svg{stroke:#0B1020}
main .lesson-row .st svg{width:14px;height:14px}
.lesson-row.locked{opacity:.55}
.lesson-row .lt{flex:1;min-width:0}
.lesson-row .lm{color:var(--dim);font-size:.85rem}
.locked-box{display:flex;align-items:center;gap:12px;padding:14px 18px;background:rgba(255,138,0,.07);border-top:1px solid var(--line)}

/* lesson */
.player{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;border:1px solid var(--line)}
.player iframe,.player video{position:absolute;inset:0;width:100%;height:100%;border:0}
.player .soon{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:20px;background:radial-gradient(circle at 50% 40%,rgba(255,46,147,.18),transparent 60%),#070A16;color:var(--muted)}
.quality{display:flex;align-items:center;gap:10px;justify-self:start}.quality select{width:auto;padding:6px 12px;min-height:0}
.player .soon b{display:block;color:var(--text);font-size:1.1rem}
.player .soon svg{width:44px;height:44px;margin:0 auto 8px;display:block}
.wm{position:absolute;z-index:3;pointer-events:none;color:rgba(255,255,255,.28);font-weight:800;font-size:clamp(.7rem,1.6vw,.95rem);text-shadow:0 1px 2px rgba(0,0,0,.5);transition:top 1.2s ease,left 1.2s ease;white-space:nowrap;direction:rtl}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px}
@media (max-width:1000px){.lesson-layout{grid-template-columns:1fr}}
.notes{white-space:pre-wrap;color:#D5DAF3}
.side-list{max-height:70vh;overflow:auto;padding:0}
.side-list a{display:flex;gap:10px;padding:10px 14px;text-decoration:none;border-bottom:1px solid var(--line);font-size:.92rem}
.side-list a.cur{background:rgba(255,46,147,.1)}
.side-list a .st{width:20px;height:20px;border-radius:50%;border:2px solid var(--line2);flex:none;margin-top:3px}
.side-list a.done .st{background:var(--ok);border-color:var(--ok)}

/* community */
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;margin-bottom:16px}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:none;padding:8px 16px;border-radius:999px;border:1px solid var(--line2);text-decoration:none;font-weight:800;color:var(--muted);background:rgba(255,255,255,.03)}
.chips a.on{background:var(--grad);border-color:transparent;color:#fff}
.feed{display:grid;gap:14px;max-width:760px}
.post .head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.post .head .who{flex:1;min-width:0}
.post .head .who b{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.post .head .who small{color:var(--dim)}
.post .body{white-space:pre-wrap;word-break:break-word}
.post.pinned{border-color:rgba(255,138,0,.45)}
.pin-tag{color:var(--org);font-size:.8rem;font-weight:800;display:flex;align-items:center;gap:6px;margin-bottom:8px}
.media{display:grid;gap:6px;margin-top:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.media img,.media video{width:100%;max-height:520px;object-fit:cover;border-radius:14px;background:#000}
.actions{display:flex;gap:6px;margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.act{display:inline-flex;align-items:center;gap:6px;border:0;background:none;padding:6px 10px;border-radius:10px;color:var(--muted);font-weight:800;cursor:pointer;text-decoration:none}
.act:hover{background:rgba(255,255,255,.05);color:var(--text)}
main .act svg{width:19px;height:19px}
.act.on{color:var(--mag)}
.act.on svg{fill:var(--mag);stroke:var(--mag)}
.composer textarea{border:0;background:none;min-height:70px;padding:4px 0}
.composer textarea:focus{outline:none}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumbs .th{position:relative;width:76px;height:76px;border-radius:12px;overflow:hidden;background:#000}
.thumbs .th img,.thumbs .th video{width:100%;height:100%;object-fit:cover}
.thumbs .th button{position:absolute;top:4px;left:4px;width:22px;height:22px;border-radius:50%;border:0;background:rgba(0,0,0,.7);color:#fff;cursor:pointer;line-height:1}
.comment{display:flex;gap:10px}
.comment .bubble{flex:1;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.comment .bubble b{font-size:.92rem}
.comment .bubble p{white-space:pre-wrap;word-break:break-word}

/* referrals */
.ref-hero{background:linear-gradient(130deg,rgba(255,46,147,.2),rgba(255,138,0,.1) 50%,rgba(139,92,255,.14));border-color:rgba(255,46,147,.3)}
.linkbox{display:flex;gap:8px;align-items:center;background:rgba(0,0,0,.35);border:1px solid var(--line2);border-radius:14px;padding:6px 6px 6px 12px}
.linkbox code{flex:1;direction:ltr;text-align:left;font-family:ui-monospace,monospace;font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 8px}
.kpi b{display:block;font-size:clamp(1.4rem,3vw,1.9rem);font-weight:900;line-height:1.2}
.kpi>span{color:var(--muted);font-size:.88rem;font-weight:700}
.kpi.hl{background:linear-gradient(130deg,rgba(61,220,151,.14),rgba(61,224,255,.06));border-color:rgba(61,220,151,.35)}
.kpi.warn{background:linear-gradient(130deg,rgba(255,176,32,.14),rgba(255,138,0,.05));border-color:rgba(255,176,32,.35)}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;counter-reset:s}
@media (max-width:620px){.steps3{grid-template-columns:1fr}}
.steps3>div{counter-increment:s;display:flex;gap:10px;align-items:flex-start}
.steps3>div::before{content:counter(s);width:30px;height:30px;border-radius:10px;background:var(--panel2);border:1px solid var(--line2);display:grid;place-items:center;font-weight:900;flex:none}

/* tables */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th{text-align:right;color:var(--dim);font-weight:800;font-size:.8rem;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(255,255,255,.02)}
td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tr.click{cursor:pointer}
tr.click:hover td{background:rgba(255,255,255,.03)}
td.n{font-variant-numeric:tabular-nums;white-space:nowrap}
.cell-user{display:flex;align-items:center;gap:10px;min-width:150px}
.cell-user b{display:block;line-height:1.3}
.cell-user small{color:var(--dim);direction:ltr;display:block;text-align:right}
.owed{color:var(--warn);font-weight:900}
.paid-out{color:var(--ok)}
.bars{direction:ltr;display:flex;align-items:flex-end;gap:3px;height:90px;padding-top:8px}
.bars i{flex:1;background:var(--grad2);border-radius:4px 4px 0 0;min-height:2px;opacity:.85}
.list-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.94rem}
.kv dt{color:var(--dim);font-weight:700}
.kv dd{margin:0}

/* dialog */
.dlg-back{position:fixed;inset:0;z-index:50;background:rgba(5,8,18,.72);backdrop-filter:blur(6px);display:grid;place-items:center;padding:16px;animation:fade .15s}
.dlg{width:min(520px,100%);max-height:92svh;overflow:auto;background:#121935;border:1px solid var(--line2);border-radius:22px;padding:22px;box-shadow:0 40px 80px -20px rgba(0,0,0,.8)}
.dlg h2{font-size:1.25rem;font-weight:900;margin-bottom:14px}
@keyframes fade{from{opacity:0}}
@media (max-width:620px){.dlg-back{place-items:end center;padding:0}.dlg{border-radius:22px 22px 0 0;padding-bottom:calc(22px + env(safe-area-inset-bottom))}}

.toast{position:fixed;bottom:calc(var(--tab) + 18px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:60;background:#1D254A;border:1px solid var(--line2);padding:10px 18px;border-radius:14px;font-weight:700;box-shadow:0 20px 40px -10px rgba(0,0,0,.7);max-width:calc(100% - 32px);text-align:center}
@media (min-width:861px){.toast{bottom:24px}}
.notice{padding:12px 16px;border-radius:14px;background:rgba(255,176,32,.1);border:1px solid rgba(255,176,32,.35);color:#FFE2A8;font-weight:700}
.notice.info{background:rgba(61,224,255,.08);border-color:rgba(61,224,255,.3);color:#C9F4FF}
.skel{height:120px;border-radius:var(--r);background:linear-gradient(90deg,rgba(255,255,255,.03),rgba(255,255,255,.07),rgba(255,255,255,.03));background-size:200% 100%;animation:sk 1.2s linear infinite}
@keyframes sk{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}