/* ==========================================================
   CodeQuest — polish.css  (لایهٔ پرداخت UI؛ بعد از style.css بارگذاری می‌شود)
   ========================================================== */

/* ---- پایه و دسترس‌پذیری ---- */
::selection{background:color-mix(in oklab,var(--a1) 45%,transparent);color:#fff}
html{scrollbar-color:color-mix(in oklab,var(--a1) 40%,transparent) transparent;scrollbar-width:thin}
body{font-feature-settings:"ss01","kern";text-rendering:optimizeLegibility}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
.skip-link{position:fixed;z-index:100;top:10px;inset-inline-start:10px;padding:10px 16px;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;transform:translateY(-200%);transition:transform .2s}
.skip-link:focus{transform:none}
.nv:focus-visible,.icon-btn:focus-visible,.btn:focus-visible,.cc:focus-visible{outline:2px solid var(--a2);outline-offset:2px}
[tabindex="0"][role="button"]{cursor:pointer}

/* ---- دکمه‌ها ---- */
.btn{min-height:44px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s,background .25s}
.btn[disabled],.btn.is-busy{opacity:.6;pointer-events:none}
.btn.block{width:100%}
.btn.danger{background:color-mix(in oklab,var(--bad) 14%,transparent);color:var(--bad);border-color:color-mix(in oklab,var(--bad) 35%,var(--line))}

/* ---- فرم‌ها ---- */
.field{margin-bottom:16px}
.field>label{display:block;font-size:.86rem;font-weight:700;margin-bottom:7px}
.field-input,.input,
.auth input[type=text],.auth input[type=password],.auth input[type=email]{
  width:100%;min-height:48px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);font:inherit;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field-input:hover,.input:hover{border-color:color-mix(in oklab,var(--a1) 45%,var(--line))}
.field-input:focus,.input:focus{outline:none;border-color:var(--a1);box-shadow:0 0 0 4px color-mix(in oklab,var(--a1) 22%,transparent);background:var(--panel-2)}
.field-input::placeholder,.input::placeholder{color:var(--muted);opacity:.7}
textarea.field-input{resize:vertical;min-height:96px}
.field .help{display:block;margin-top:6px;font-size:.76rem;color:var(--muted)}
.field .err{margin-top:6px;font-size:.8rem;color:var(--bad)}
.alert{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:14px;font-size:.88rem;margin-bottom:16px;
  background:color-mix(in oklab,var(--c,var(--bad)) 12%,transparent);color:var(--c,var(--bad));border:1px solid color-mix(in oklab,var(--c,var(--bad)) 30%,transparent)}
.alert.ok{--c:var(--ok)} .alert.info{--c:var(--a2)}

/* ---- کارت ورود/ثبت‌نام ---- */
.auth{display:grid;place-items:center;min-height:calc(100dvh - 180px);padding-block:32px}
.auth-card{width:min(440px,100%);padding:clamp(24px,5vw,36px);border-radius:28px;position:relative;overflow:hidden}
.auth-card::before{content:"";position:absolute;inset:-40% -20% auto auto;width:260px;height:260px;border-radius:50%;background:var(--grad);opacity:.16;filter:blur(40px);pointer-events:none}
.auth-h{text-align:center;margin-bottom:26px;position:relative}
.auth-h .logo{display:inline-grid;margin-bottom:14px;width:54px;height:54px;border-radius:18px}
.auth-h .logo .ic{width:26px;height:26px}
.auth-h h1{font-size:1.5rem;font-weight:900;line-height:1.4}
.auth-h p{color:var(--muted);font-size:.9rem;margin-top:4px}
.auth-foot{margin-top:20px;text-align:center;font-size:.88rem;color:var(--muted)}
.auth-foot a{color:var(--a2);font-weight:700}
.auth-foot a:hover{text-decoration:underline;text-underline-offset:4px}
.auth-demo{margin-top:16px;padding:10px 12px;border-radius:12px;border:1px dashed var(--line);text-align:center;font-size:.8rem;color:var(--muted)}
.auth-demo code{color:var(--a2);font-family:"JetBrains Mono",monospace}

/* ---- سرصفحه‌های داخلی ---- */
.page{padding-top:clamp(20px,4vw,36px);padding-bottom:56px}
.page.narrow{max-width:760px}.page.mid{max-width:900px}.page.slim{max-width:640px}
.back{display:inline-flex;align-items:center;gap:6px;margin-bottom:14px;color:var(--muted);font-size:.88rem;font-weight:600}
.back:hover{color:var(--text)}
.back .ic{width:1em;height:1em;transform:scaleX(-1)}
.page-title{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:900;line-height:1.4;margin-bottom:4px}
.page-sub{color:var(--muted);max-width:42em;margin-bottom:24px}

/* ---- ردیف‌های لینک (دوره‌ها / چالش‌ها) ---- */
.stack{display:grid;gap:14px}
.row-card{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 20px;border-radius:22px;
  border:1px solid color-mix(in oklab,var(--c,var(--a1)) 28%,var(--line));
  background:linear-gradient(135deg,color-mix(in oklab,var(--c,var(--a1)) 10%,transparent),var(--panel));
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.row-card:hover{transform:translateY(-3px);border-color:var(--c,var(--a1));box-shadow:0 18px 40px -22px var(--c,var(--a1))}
.row-card h2,.row-card h3{font-size:1.1rem;font-weight:800;line-height:1.5}
.row-card .d{color:var(--muted);font-size:.88rem}
.row-card .m{margin-top:6px;font-size:.78rem;color:var(--muted)}
.row-tile{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:color-mix(in oklab,var(--c,var(--a1)) 20%,transparent);color:var(--c,var(--a1));font-family:"JetBrains Mono",monospace;font-weight:700;direction:ltr}
.row-tile .ic{width:26px;height:26px}
.row-side{display:flex;flex-direction:column;align-items:center;gap:8px}
.solved{color:var(--ok);font-size:.78rem;font-weight:700;margin-inline-start:6px}
@media (max-width:560px){
  .row-card{grid-template-columns:auto minmax(0,1fr);padding:16px}
  .row-card .row-side{grid-column:1/-1;flex-direction:row;justify-content:space-between}
}

/* ---- خالی بودن لیست ---- */
.empty{padding:36px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:22px}
.empty b{display:block;color:var(--text);margin-bottom:4px}

/* ---- پلن‌ها ---- */
.plans{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.plan-card{padding:24px;border-radius:26px;display:flex;flex-direction:column;gap:10px;position:relative;transition:transform .25s var(--ease),border-color .25s}
.plan-card:hover{transform:translateY(-4px);border-color:var(--a1)}
.plan-card.featured{border-color:var(--a1);background:linear-gradient(160deg,color-mix(in oklab,var(--a1) 18%,transparent),var(--panel))}
.plan-card h2{font-size:1.2rem;font-weight:800}
.plan-card .desc{color:var(--muted);font-size:.88rem}
.plan-price{font-size:1.6rem;font-weight:900;line-height:1.3}
.plan-price small{font-size:.8rem;font-weight:500;color:var(--muted)}
.plan-feats{display:grid;gap:8px;font-size:.88rem;margin:6px 0 12px}
.plan-feats li{display:flex;gap:8px;align-items:flex-start}
.plan-feats .ic{width:1.1em;height:1.1em;color:var(--ok);margin-top:5px;stroke-width:2.6}
.plan-card form,.plan-card .chip{margin-top:auto}
.plan-card .btn{width:100%}
.banner{display:flex;gap:12px;align-items:center;padding:14px 18px;border-radius:18px;margin-bottom:18px}

/* ---- تاریخچه پرداخت ---- */
.pay{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:14px 18px;border-radius:18px}
.pay small{color:var(--muted)}

/* ---- لیدربورد ---- */
.lb-list{overflow:hidden;border-radius:24px}
.lb-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);transition:background .2s}
.lb-row:last-child{border-bottom:0}
.lb-row:hover{background:var(--panel-2)}
.lb-row.me{background:color-mix(in oklab,var(--a1) 14%,transparent)}
.lb-rank{width:32px;text-align:center;font-weight:800;color:var(--muted);font-family:"JetBrains Mono",monospace}
.lb-row.r1 .lb-rank,.lb-row.r2 .lb-rank,.lb-row.r3 .lb-rank{width:32px;height:32px;line-height:32px;border-radius:50%;color:#1b1838;font-size:.85rem}
.lb-row.r1 .lb-rank{background:linear-gradient(135deg,#fde68a,#f59e0b)}
.lb-row.r2 .lb-rank{background:linear-gradient(135deg,#f1f5f9,#94a3b8)}
.lb-row.r3 .lb-rank{background:linear-gradient(135deg,#fed7aa,#c2410c);color:#fff}
.lb-name{flex:1;min-width:0}
.lb-name b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-name small{color:var(--muted)}

/* ---- پیام‌های سیستم (Django messages) ---- */
.flash-wrap{top:calc(76px + env(safe-area-inset-top,0px))}
.flash{display:flex;align-items:center;gap:10px;transition:opacity .35s,transform .35s var(--ease)}
.flash .ic{width:1.2em;height:1.2em;flex:none}
.flash.ok .ic{color:var(--ok)} .flash.warn .ic{color:var(--gold)} .flash.err .ic{color:var(--bad)} .flash.info .ic{color:var(--a2)}
.flash span{flex:1}
.flash button{background:none;border:0;color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:4px;border-radius:8px}
.flash button:hover{color:var(--text);background:var(--panel-2)}
.flash.out{opacity:0;transform:translateY(-8px)}

/* ---- شیت «بیشتر» (فقط موبایل) ---- */
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.more-grid a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 6px;border-radius:18px;border:1px solid var(--line);background:var(--panel);font-size:.8rem;font-weight:600;text-align:center}
.more-grid a .ic{width:24px;height:24px;color:var(--a2)}
.more-grid a:hover,.more-grid a:focus-visible{border-color:var(--a1)}
.more-grid a.on{border-color:var(--a1);background:color-mix(in oklab,var(--a1) 14%,transparent)}
.more-sheet{z-index:51}
:root:has(#moreToggle:checked) .backdrop[for=moreToggle]{opacity:1;pointer-events:auto}
:root:has(#moreToggle:checked) .more-sheet{opacity:1;transform:none;pointer-events:auto}
/* وقتی پنل ظاهر باز است، شیت «بیشتر» حتماً بسته بماند (باگ موبایل) */
:root:has(#themeToggle:checked) .more-sheet{transform:translateY(100%) !important;pointer-events:none !important;opacity:0 !important}
@media (min-width:960px){
  .more-btn,.more-sheet,.backdrop[for=moreToggle]{display:none !important}
}

/* ---- دستگاه‌های لمسی / موبایل ---- */
@media (max-width:959px){
  .flash-wrap{top:calc(64px + env(safe-area-inset-top,0px))}
  .auth{min-height:0;padding-block:12px}
  .more-sheet{
    inset:auto 0 0 0;width:auto;max-height:min(88dvh,640px);overflow-y:auto;
    border-radius:28px 28px 0 0;padding:14px 18px calc(24px + env(safe-area-inset-bottom));
    transform:translateY(100%);opacity:1;-webkit-overflow-scrolling:touch;
  }
  .more-sheet::before{content:"";display:block;width:42px;height:4px;border-radius:4px;background:var(--line);margin:0 auto 16px}
  :root:has(#moreToggle:checked) .more-sheet{transform:none;opacity:1;pointer-events:auto}
}
@media (hover:none){
  .row-card:hover,.plan-card:hover,.cc:hover{transform:none}
}

/* ---- چت مربی AI ---- */
.ai-msg.typing{display:flex;gap:5px;align-items:center;padding:14px 16px}
.ai-msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:aiDot 1s infinite ease-in-out}
.ai-msg.typing i:nth-child(2){animation-delay:.15s}.ai-msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes aiDot{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
.ai-chips button:hover{border-color:var(--a1)}
.ai-form input:focus{outline:none;border-color:var(--a1);box-shadow:0 0 0 4px color-mix(in oklab,var(--a1) 22%,transparent)}
.ai-chips button,.ai-form input{min-height:44px}

/* ---- ریزه‌کاری‌ها ---- */
.panel{transition:border-color .25s,box-shadow .25s}
a.panel:hover{border-color:color-mix(in oklab,var(--a1) 55%,var(--line))}
.logout-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--muted);font-size:.85rem;font-weight:600}
.logout-link:hover{color:var(--bad)}
body[data-rm="1"] *,body[data-rm="1"] *::before,body[data-rm="1"] *::after{animation:none !important;transition-duration:.01ms !important}

/* ==========================================================
   نسخهٔ ۳ — نوار ناوبری، دوره‌ها، پرداخت
   ========================================================== */

/* ---- ترتیب منو: ترتیب DOM ملاک است (order‌های قدیمی را خنثی می‌کنیم) ---- */
@media (min-width:960px){
  .nav>*{order:0 !important}
  .nav>.sb-foot{order:20 !important;margin-top:auto}
  .nav>.sb-label{margin-top:6px}
  .nav>.sb-label.l2{margin-top:18px}
  .nav .nv{width:100%}
  .nav>.sb-brand{margin-bottom:6px}
}
@media (max-width:959px){
  .nav>*{order:0 !important}
  .nv span{white-space:nowrap}
}

/* ---- کاور دوره ---- */
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:
  radial-gradient(circle at 25% 30%,color-mix(in oklab,var(--c,var(--a1)) 55%,transparent),transparent 62%),
  linear-gradient(150deg,color-mix(in oklab,var(--c,var(--a1)) 22%,var(--bg-2)),var(--bg-2));}
.cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.cover-ic{position:absolute;inset:0;display:grid;place-items:center;color:#fff}
.cover-ic .ic{width:48px;height:48px;opacity:.92;stroke-width:1.5;filter:drop-shadow(0 8px 20px rgba(0,0,0,.35))}

/* ---- شبکهٔ دوره‌ها ---- */
.course-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.course-card{position:relative;overflow:hidden;border-radius:24px;display:flex;flex-direction:column;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.course-card:hover{transform:translateY(-5px);border-color:color-mix(in oklab,var(--a1) 60%,var(--line));box-shadow:0 24px 50px -26px var(--a1)}
.course-card:hover .cover img{transform:scale(1.05)}
.course-card .cover{border-radius:0}
.course-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.course-body h2{font-size:1.1rem;font-weight:800;line-height:1.5}
.course-body .d{color:var(--muted);font-size:.86rem;min-height:2.6em}
.course-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.course-foot .m{font-size:.76rem;color:var(--muted)}
.price-tag{position:absolute;top:12px;inset-inline-start:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;
  font-size:.8rem;font-weight:800;background:color-mix(in oklab,var(--bg) 78%,transparent);color:var(--gold);border:1px solid color-mix(in oklab,var(--gold) 40%,transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.price-tag.free{color:var(--ok);border-color:color-mix(in oklab,var(--ok) 40%,transparent)}
.price-tag.owned{color:var(--a2);border-color:color-mix(in oklab,var(--a2) 40%,transparent)}
.price-tag .ic{width:1em;height:1em;stroke-width:2.6}
.cc-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:12px;display:block}

/* ---- صفحهٔ جزئیات دوره ---- */
.cd-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start;position:relative;z-index:1}
.buy-card{overflow:hidden;border-radius:22px;background:color-mix(in oklab,var(--bg-2) 70%,transparent)}
.buy-card .cover{border-radius:0}
.buy-body{padding:18px;display:grid;gap:12px}
.buy-price{font-size:1.8rem;font-weight:900;line-height:1.2}
.buy-price small{font-size:.85rem;font-weight:600;color:var(--muted)}
.buy-points{display:grid;gap:8px;font-size:.84rem;color:var(--muted)}
.buy-points li{display:flex;gap:8px;align-items:center}
.buy-points .ic{width:1em;height:1em;color:var(--ok);stroke-width:2.8}
@media (max-width:860px){.cd-grid{grid-template-columns:1fr}.buy-card{max-width:420px}}

/* ---- پلن‌ها ---- */
.plan-badge{position:absolute;top:16px;inset-inline-end:16px}
.secure{display:flex;gap:8px;align-items:center;margin-top:20px;font-size:.82rem;color:var(--muted)}
.secure .ic{color:var(--ok);width:1.2em;height:1.2em}

/* ---- نتیجهٔ پرداخت ---- */
.result-ic{display:inline-grid;place-items:center;width:72px;height:72px;border-radius:50%}
.result-ic .ic{width:34px;height:34px;stroke-width:2.6}
.result-ic.ok{background:color-mix(in oklab,var(--ok) 18%,transparent);color:var(--ok);box-shadow:0 0 0 8px color-mix(in oklab,var(--ok) 8%,transparent)}
.result-ic.bad{background:color-mix(in oklab,var(--bad) 18%,transparent);color:var(--bad);box-shadow:0 0 0 8px color-mix(in oklab,var(--bad) 8%,transparent)}
.receipt{display:grid;gap:0;text-align:start;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.receipt div{display:flex;justify-content:space-between;gap:12px;padding:11px 14px;border-bottom:1px solid var(--line);font-size:.9rem}
.receipt div:last-child{border-bottom:0}
.receipt dt{color:var(--muted)} .receipt dd{font-weight:700}

/* ---- صفحهٔ چالش و آزمایشگاه کد: ظاهر یکدست‌تر ---- */
.lab-h h1,.lsn-top h1{font-size:clamp(1.4rem,3vw,2rem);font-weight:900;line-height:1.4}
.inline-lab,.cb,.ed{box-shadow:0 20px 50px -30px rgba(0,0,0,.6)}
.inline-lab textarea{tab-size:4}
.inline-lab .ilab-actions .btn{min-height:42px}
.ch-grid .panel{position:sticky;top:96px}
@media (max-width:900px){.ch-grid .panel{position:static}}
details.hint{border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin-bottom:8px;background:var(--panel)}
details.hint summary{cursor:pointer;display:flex;align-items:center;gap:8px;font-weight:700;font-size:.9rem}
details.hint[open]{border-color:color-mix(in oklab,var(--gold) 40%,var(--line))}