/* shell.css — پوستهٔ موبایل (هدر / نوار پایین / شیت‌ها) — لایهٔ نهایی؛ بعد از polish.css لود می‌شود. */

@media (max-width:959px){
  :root{--nav-h:68px;--top-h:60px}
  html,body{overflow-x:clip;max-width:100%}
  .shell{display:block;min-height:100dvh}
  .main{width:100%;max-width:100%;padding:0}
  .sb-only,.d-only,.sb-brand,.sb-label,.sb-foot{display:none !important}

  /* ---------- هدر: آرم سمت راست، ابزارها سمت چپ ---------- */
  html body .main>.top{
    position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:10px;
    min-height:calc(var(--top-h) + env(safe-area-inset-top,0px));height:auto;
    padding:calc(8px + env(safe-area-inset-top,0px)) 14px 8px;margin:0;
    background:color-mix(in oklab,var(--bg) 84%,transparent);
    -webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);
    border-bottom:1px solid color-mix(in oklab,var(--text) 9%,transparent);
  }
  html body .main>.top .brand{display:flex;position:static;transform:none;margin:0;padding:0;gap:10px;min-width:0}
  html body .main>.top .brand .logo{width:38px;height:38px;border-radius:12px;transform:rotate(-6deg);box-shadow:0 6px 16px -4px color-mix(in oklab,var(--a1) 70%,transparent)}
  html body .main>.top .brand .logo .ic{width:20px;height:20px}
  html body .main>.top .brand .brand-t{display:flex;flex-direction:column;line-height:1.1;gap:2px}
  html body .main>.top .brand .brand-t b{font-size:1.12rem;font-weight:900}
  html body .main>.top .brand .brand-t small{display:block;font-size:.62rem;letter-spacing:.14em;color:var(--muted);direction:ltr;text-align:right}
  html body .main>.top .top-r{display:flex;align-items:center;gap:8px;width:auto;margin:0;flex:none}
  html body .main>.top .top-r .bell-btn{order:0}
  html body .main>.top .pill{padding:4px 11px;font-size:.78rem;gap:5px}
  html body .main>.top .pill.xp{display:none}
  html body .main>.top .icon-btn{width:40px;height:40px;border-radius:13px;flex:none}
  html body .main>.top .icon-btn .ic{width:19px;height:19px}
  html body .main>.top .more-btn{display:grid !important}
  html body .main>.top .dot{top:9px;inset-inline-end:10px}

  /* ---------- نوار پایین: شناور و شیشه‌ای، ۵ ستون هم‌اندازه ---------- */
  html body .shell>.nav{
    position:fixed;inset:auto 12px calc(10px + env(safe-area-inset-bottom,0px)) 12px;z-index:40;
    width:auto;height:var(--nav-h);min-height:0;margin:0;padding:6px;
    display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch;gap:2px;
    border:1px solid color-mix(in oklab,var(--text) 11%,transparent);border-radius:26px;overflow:visible;
    background:color-mix(in oklab,var(--bg-2) 82%,transparent);
    -webkit-backdrop-filter:blur(22px) saturate(1.5);backdrop-filter:blur(22px) saturate(1.5);
    box-shadow:0 16px 36px -10px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
    transition:transform .3s var(--ease),opacity .25s;
  }
  html body .shell>.nav>.nv{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    width:auto;height:auto;min-width:0;margin:0;padding:6px 2px;border-radius:20px;background:transparent;
    font-size:.7rem;font-weight:700;line-height:1.2;color:var(--muted);order:0;
    transition:color .25s,background .25s,transform .2s var(--ease);
  }
  html body .shell>.nav>.nv span{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  html body .shell>.nav>.nv .ic{width:23px;height:23px;stroke-width:1.9;transition:transform .3s var(--ease),color .25s}
  html body .shell>.nav>.nv:active{transform:scale(.93)}
  html body .shell>.nav>.nv.active{
    color:var(--text);
    background:linear-gradient(165deg,color-mix(in oklab,var(--a1) 30%,transparent),color-mix(in oklab,var(--a2) 10%,transparent));
    box-shadow:inset 0 0 0 1px color-mix(in oklab,var(--a1) 38%,transparent);
  }
  html body .shell>.nav>.nv.active .ic{color:var(--a2);transform:translateY(-1px) scale(1.06)}
  html body .shell>.nav>.nv::before{display:none}
  html body .shell>.nav>.nv.active::after{
    content:"";position:absolute;top:-1px;left:50%;width:18px;height:3px;margin-left:-9px;border-radius:0 0 4px 4px;
    background:var(--grad);box-shadow:0 2px 12px var(--a2);
  }

  /* ---------- محتوا ---------- */
  .stage{overflow:hidden;height:300px;margin-inline:0;isolation:isolate}
  .rings,.rings2,.tk,.bot{animation:none}
  .hero-copy{position:relative;z-index:2}
  html body .view-page{padding-bottom:calc(var(--nav-h) + 40px + env(safe-area-inset-bottom,0px));animation:none}
  .wrap{padding-inline:16px}
  img,video,canvas,table,pre{max-width:100%}
  .hero,.stage,.lab,.lesson-grid{max-width:100%}
  body:has(.auth) .shell>.nav{display:none}
  body:has(.auth) .view-page{padding-bottom:28px}

  /* ---------- شیت‌ها و اعلان‌ها (از پایین) ---------- */
  .backdrop{z-index:70}
  .sheet,.sheet.more-sheet,.pop{z-index:80}
  :root:has(#themeToggle:checked) .shell>.nav,
  :root:has(#moreToggle:checked) .shell>.nav,
  :root:has(#notifToggle:checked) .shell>.nav{opacity:0;pointer-events:none;transform:translateY(130%)}
  .sheet:not(.more-sheet),.more-sheet,.pop{
    inset:auto 0 0 0;top:auto;width:100%;max-width:100%;max-height:min(86dvh,640px);overflow-y:auto;-webkit-overflow-scrolling:touch;
    padding:12px 18px calc(18px + env(safe-area-inset-bottom,0px));border-radius:26px 26px 0 0;
    background:var(--bg-2);border:1px solid var(--line);border-bottom:0;
    box-shadow:0 -24px 60px -20px rgba(0,0,0,.7);
    transform:translateY(110%);opacity:1;
  }
  .sheet:not(.more-sheet)::before,.more-sheet::before,.pop::before{content:"";display:block;width:42px;height:4px;border-radius:4px;background:var(--line);margin:0 auto 14px}
  :root:has(#themeToggle:checked) .sheet:not(.more-sheet),
  :root:has(#moreToggle:checked) .more-sheet,
  :root:has(#notifToggle:checked) .pop{transform:none;pointer-events:auto}
  :root:has(#themeToggle:checked) .more-sheet,
  :root:has(#notifToggle:checked) .more-sheet{transform:translateY(110%) !important;pointer-events:none}
  .sheet .done-btn,.more-sheet .done-btn,.pop .pop-f{
    position:sticky;bottom:0;margin-top:14px;width:100%;min-height:48px;display:flex;justify-content:center;border-radius:14px;
  }
  .more-sheet .done-btn,.pop .pop-f{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}
  .tms{grid-template-columns:1fr 1fr}
  .tm:last-child{grid-column:1/-1}
  .flash-wrap{top:calc(var(--top-h) + 8px + env(safe-area-inset-top,0px))}
  .lab-actions{bottom:calc(var(--nav-h) + 22px + env(safe-area-inset-bottom,0px))}
}
@media (max-width:370px){
  html body .main>.top .brand .brand-t small{display:none}
  html body .main>.top .pill.streak{display:none}
  html body .shell>.nav>.nv{font-size:.64rem}
}
@media (min-width:960px){
  .more-btn,.more-sheet,.backdrop[for=moreToggle]{display:none !important}
}

/* ---------- عکس آواتار ---------- */
.av,.top-av .av{overflow:hidden}
.av img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}

/* ---------- نمایش XP کوییز ---------- */
.xp-note{margin-top:10px;display:inline-block;padding:4px 12px;border-radius:999px;font-weight:800;font-size:.85rem;animation:rise .35s var(--ease)}
.xp-note.plus{background:color-mix(in oklab,var(--ok) 16%,transparent);color:var(--ok)}
.xp-note.minus{background:color-mix(in oklab,var(--bad) 16%,transparent);color:var(--bad)}
.ef-chk{display:flex;gap:8px;align-items:center;font-size:.85rem;color:var(--muted)}

/* ---------- فرم خروج (POST) ---------- */
.logout-form{margin:0;display:contents}
.logout-form button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:8px;width:100%}
.more-grid .logout-form button{flex-direction:column;justify-content:center;padding:12px 6px;border-radius:16px;background:var(--panel)}
.nv.logout-nv,button.nv{width:100%}
.logout-link{color:var(--muted)}

/* ---------- حالت‌های کوییز (نمره‌دهی سمت سرور) ---------- */
.opt.is-ok{border-color:var(--ok);background:color-mix(in oklab,var(--ok) 13%,transparent);color:var(--ok)}
.opt.is-bad{border-color:var(--bad);background:color-mix(in oklab,var(--bad) 12%,transparent);color:var(--bad)}
.q.s-ok .fb.good{display:flex}
.q.s-bad .fb.nope{display:flex}

/* ---------- صفحهٔ درس/کد در موبایل ---------- */
.wrap,.lsn-main,.lsn-layout>*{min-width:0}
.step-card{max-width:100%}
.step-card pre.code,.step-card .cb,.step-card .sample{max-width:100%;overflow-x:auto}
.step-card p,.step-card li{overflow-wrap:anywhere}
.inline-lab .ilab-actions{display:flex;flex-wrap:wrap;gap:8px}
.inline-lab .ilab-actions .btn{white-space:nowrap}
.inline-lab .ilab-actions .ilab-reset{width:auto;flex:none;margin-inline-start:auto}
@media (max-width:520px){
  .inline-lab .ilab-actions .ilab-check{flex:1 1 auto}
}

/* ---------- فرم ویرایش پروفایل ---------- */
.edit-form{display:grid;gap:10px}
.edit-form .ef{display:grid;gap:6px;font-size:.88rem;color:var(--muted)}
.edit-form .field-input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font:inherit}
.edit-form .ef-err{color:var(--bad)}


/* ---------- هدر همیشه بالا (همهٔ سایزها) ----------
   overflow-x:hidden روی body باعث می‌شد sticky کار نکند؛ با clip حل می‌شود. */
html,body{overflow-x:clip}
html body .main>.top,html body .top{position:sticky;top:0;z-index:50}
@supports not (overflow:clip){
  html,body{overflow-x:visible}
  .shell{overflow-x:clip}
}

/* ---------- پاسخ قفل‌شدهٔ کوییز ---------- */
.q.is-locked .opt,.opt.is-locked{cursor:default;pointer-events:none}
.q.is-locked .opt:hover,.opt.is-locked:hover{transform:none}
.q.is-locked .opt:not(.is-ok):not(.is-bad):not(.is-right){opacity:.55}
.opt.is-right{border-color:var(--ok);border-style:dashed;color:var(--ok);background:color-mix(in oklab,var(--ok) 7%,transparent)}
.q.is-locked::after{content:"پاسخ قفل شد";display:block;margin-top:8px;font-size:.74rem;color:var(--muted)}
.qz-toast{position:fixed;z-index:120;inset-inline:16px;top:calc(76px + env(safe-area-inset-top,0px));margin-inline:auto;width:fit-content;max-width:calc(100vw - 32px);
  padding:12px 20px;border-radius:16px;font-weight:800;background:var(--panel);border:1px solid var(--line);box-shadow:0 18px 50px -12px rgba(0,0,0,.55);
  animation:rise .35s var(--ease);transition:opacity .4s,transform .4s}
.qz-toast.badge{border-color:var(--gold);color:var(--gold)}
.qz-toast.out{opacity:0;transform:translateY(-10px)}

/* ---------- کاپ / لیگ ---------- */
.cup{display:inline-grid;place-items:center;width:var(--s,44px);height:var(--s,44px);border-radius:14px;color:var(--c,var(--gold));
  background:color-mix(in oklab,var(--c,var(--gold)) 16%,transparent);box-shadow:inset 0 0 0 1px color-mix(in oklab,var(--c,var(--gold)) 45%,transparent)}
.cup .ic{width:58%;height:58%}
.league-card{display:flex;align-items:center;gap:14px}
.league-card .cup{--s:56px;flex:none}
.league-card b{display:block;font-size:1.05rem}
.league-card small{color:var(--muted)}
.league-bar{margin-top:8px}
.league-steps{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.league-steps .cup{--s:34px;opacity:.35}
.league-steps .cup.on{opacity:1}
.pill.cupill{color:var(--c);border-color:color-mix(in oklab,var(--c) 40%,transparent)}
.bd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.bd-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:14px 10px;border-radius:18px;background:var(--panel);border:1px solid var(--line)}
.bd-item .hex{width:54px;height:62px}
.bd-item b{font-size:.88rem}
.bd-item small{color:var(--muted);font-size:.74rem;line-height:1.6}
.bd-item.off{opacity:.5}
.bd-item.off .hex{background:var(--line);color:var(--muted)}
.cal-wrap{display:grid;gap:6px}
.cal-h,.cal{direction:rtl}
.cal-h{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;font-size:.7rem;color:var(--muted);text-align:center}
.cal i{display:grid;place-items:center;font-style:normal;font-size:.7rem;color:var(--muted)}
.cal i.on,.cal i.hot{color:#fff;font-weight:700}
.cal i.future{background:transparent;border:1px dashed var(--line)}
.cal i.blank{background:transparent}
.cal-sum{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:.82rem;color:var(--muted)}
.cal-sum b{color:var(--text)}
.lb-row .cup{--s:30px}
@media (max-width:370px){.pill.cupill .cup-t{display:none}}

/* ---------- پشتیبانی و نظرات ---------- */
@media (min-width:960px){.nv-support{order:7}}
.sp-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:820px){.sp-grid{grid-template-columns:minmax(0,1fr)}}
.sp-card{padding:20px;border-radius:24px}
.sp-card h2{font-size:1.1rem;font-weight:800;margin-bottom:14px}
.sp-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.sp-tabs label{cursor:pointer}
.sp-tabs input{position:absolute;opacity:0;pointer-events:none}
.sp-tabs span{display:block;text-align:center;padding:10px;border-radius:14px;border:1px solid var(--line);font-weight:700;font-size:.9rem;transition:.2s}
.sp-tabs input:checked+span{border-color:var(--a1);background:color-mix(in oklab,var(--a1) 14%,transparent);color:var(--a1)}
.sp-tabs input:focus-visible+span{outline:2px solid var(--a2);outline-offset:2px}
.stars{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px}
.stars input{position:absolute;opacity:0;pointer-events:none}
.stars label{font-size:1.7rem;line-height:1;cursor:pointer;color:var(--line);transition:color .15s,transform .15s}
.stars label:hover,.stars label:hover~label,.stars input:checked~label{color:var(--gold)}
.stars label:active{transform:scale(.88)}
.stars input:focus-visible+label{outline:2px solid var(--a2);border-radius:6px}
.cm{padding:14px 0;border-bottom:1px solid var(--line)}
.cm:last-child{border-bottom:0}
.cm-h{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.cm-h .av{width:34px;height:34px;font-size:.85rem;flex:none}
.cm-h b{font-size:.92rem}
.cm-h small{color:var(--muted);margin-inline-start:auto;font-size:.74rem;white-space:nowrap}
.cm-stars{color:var(--gold);font-size:.85rem;letter-spacing:2px}
.cm p{font-size:.92rem;line-height:1.9;overflow-wrap:anywhere;white-space:pre-line}
.cm-reply{margin-top:8px;padding:10px 12px;border-radius:14px;background:color-mix(in oklab,var(--a1) 10%,transparent);border-inline-start:3px solid var(--a1);font-size:.88rem;overflow-wrap:anywhere;white-space:pre-line}
.cm-reply b{display:block;font-size:.76rem;color:var(--a1);margin-bottom:2px}
.sp-err{margin-bottom:12px;padding:10px 12px;border-radius:12px;background:color-mix(in oklab,var(--bad) 14%,transparent);color:var(--bad);font-size:.88rem}
.sp-form textarea{width:100%}
.sp-count{display:block;text-align:left;font-size:.74rem;color:var(--muted);margin-top:4px}
body:has(.sp-grid) .view-page{padding-bottom:calc(var(--nav-h,0px) + 48px + env(safe-area-inset-bottom,0px))}
@media (min-width:960px){body:has(.sp-grid) .view-page{padding-bottom:48px}}

/* ---------- ویرایش پروفایل (انتخاب عکس شیک) ---------- */
.pe-form{display:grid;gap:20px}
.pe-avatar{display:flex;align-items:center;gap:20px;padding:18px;border-radius:20px;background:color-mix(in oklab,var(--a1) 7%,var(--panel));border:1px dashed color-mix(in oklab,var(--a1) 35%,var(--line))}
.pe-file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0)}
.pe-file:focus-visible+.pe-side,.pe-pic:focus-within{outline:2px solid var(--a2);outline-offset:3px}
.pe-pic{position:relative;flex:none;width:104px;height:104px;border-radius:50%;cursor:pointer;display:block;transition:transform .25s var(--ease),box-shadow .25s}
.pe-pic::before{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--grad);z-index:0}
.pe-pic:hover{transform:scale(1.04)}
.pe-pic.drag{transform:scale(1.08);box-shadow:0 0 0 6px color-mix(in oklab,var(--a2) 40%,transparent)}
.pe-img{position:absolute;inset:0;border-radius:50%;overflow:hidden;z-index:1;display:grid;place-items:center;background:var(--bg-2,var(--bg));border:3px solid var(--bg)}
.pe-img img{width:100%;height:100%;object-fit:cover;display:block}
.pe-img b{font-size:2.6rem;font-weight:900;color:var(--a2)}
.pe-cam{position:absolute;z-index:2;inset-inline-end:-2px;bottom:-2px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--grad);color:#fff;border:3px solid var(--bg);box-shadow:0 6px 14px -4px rgba(0,0,0,.5)}
.pe-cam svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.pe-side{display:grid;gap:6px;min-width:0}
.pe-side b{font-size:1rem}
.pe-side small{color:var(--muted);font-size:.8rem;line-height:1.8}
.pe-btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.pe-del[aria-pressed=true]{border-color:var(--bad);color:var(--bad)}
.pe-msg{font-size:.8rem;color:var(--ok);min-height:1.2em;overflow-wrap:anywhere}
.pe-msg.bad,.pe-side .ef-err{color:var(--bad)}
.pe-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.pe-f{display:grid;gap:6px;font-size:.86rem;font-weight:700}
.pe-f .field-input{width:100%;padding:11px 14px;border-radius:14px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font:inherit;font-weight:400;transition:border-color .2s,box-shadow .2s}
.pe-f .field-input:focus{outline:none;border-color:var(--a1);box-shadow:0 0 0 4px color-mix(in oklab,var(--a1) 22%,transparent)}
.pe-f textarea.field-input{resize:vertical;min-height:96px}
.pe-actions{display:flex;justify-content:flex-start}
@media (max-width:640px){
  .pe-avatar{flex-direction:column;text-align:center;padding:16px}
  .pe-btns{justify-content:center}
  .pe-fields{grid-template-columns:1fr}
  .pe-actions .btn{width:100%}
}

.sp-grid.one{grid-template-columns:minmax(0,640px);justify-content:start}

/* ---------- شبکه‌های اجتماعی ---------- */
.social{display:grid;gap:10px}
.social.grid{grid-template-columns:1fr 1fr;margin:14px 0 4px}
.soc{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:16px;border:1px solid var(--line);background:var(--panel);color:var(--text);min-width:0;
  transition:transform .2s var(--ease),border-color .2s,background .2s}
.soc:hover{transform:translateY(-2px)}
.soc svg{width:26px;height:26px;flex:none}
.soc span{display:grid;line-height:1.35;min-width:0}
.soc b{font-size:.86rem;white-space:nowrap}
.soc small{font-size:.7rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.soc-tg{--sc:#2aabee}
.soc-ig{--sc:#e1306c}
.soc svg{color:var(--sc)}
.soc:hover{border-color:var(--sc);background:color-mix(in oklab,var(--sc) 10%,var(--panel))}
.social.side{margin-bottom:10px;gap:6px}
.social.side .soc{padding:8px 11px;border-radius:13px}
.social.side .soc small{display:none}
@media (max-width:420px){.social.grid{grid-template-columns:1fr}}
@media (min-width:960px){:root:has(#sbCollapse:checked) .social.side .soc span{display:none}:root:has(#sbCollapse:checked) .social.side .soc{justify-content:center;padding:9px 0}}
@media (max-width:959px){.social.side{display:none}}