/* Premium visual layer for imported educational content. Content rules remain untouched. */
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/* Cohesive layouts for the article, exercise and team areas. */
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.premium-article-page .article-container,.premium-article-page main,.premium-article-page>.container{width:min(100% - 32px,980px)!important;margin-inline:auto!important}.premium-article-page .article-content,.premium-article-page article{font-size:clamp(1rem,1.7vw,1.12rem)!important}.premium-article-page .section-box{padding:clamp(1.1rem,3vw,2rem)!important;margin-block:1.15rem!important}.premium-article-page .section-title{line-height:1.45!important}.premium-article-page p{max-width:75ch}.premium-article-page pre{overflow:auto!important;direction:ltr!important;white-space:pre!important}.premium-article-page img{max-width:100%;height:auto;border-radius:16px}
.premium-exercises-page .container{width:min(100% - 32px,1180px)!important}.premium-exercises-page .page-header{padding-block:clamp(3rem,8vw,6rem)!important}.premium-exercises-page .page-header p{font-size:clamp(.95rem,2vw,1.1rem)!important}.premium-exercises-page .search-section{position:sticky;top:86px;z-index:30;padding:1rem!important;box-shadow:0 18px 48px rgba(0,0,0,.22)!important}.premium-exercises-page .exercises-list{gap:1rem!important}.premium-exercises-page .exercise-card{padding:clamp(1.1rem,3vw,1.8rem)!important;scroll-margin-top:185px}.premium-exercises-page .exercise-question{font-size:1rem!important;line-height:2!important}.premium-exercises-page .exercise-answer{padding:clamp(1rem,3vw,1.5rem)!important;border:1px solid rgba(0,224,173,.24)!important;border-right:4px solid var(--premium-mint)!important}.premium-exercises-page .code-area{min-height:230px;padding:1rem!important;line-height:1.75!important;tab-size:4}.review-btn:disabled{opacity:.48;filter:saturate(.35);cursor:not-allowed;transform:none!important}
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.premium-team-page .container{width:min(100% - 32px,1180px)!important}.premium-team-page .page-header{padding-block:clamp(3.5rem,9vw,7rem)!important}.premium-team-page .team-section{padding:clamp(1.1rem,3vw,2rem)!important;margin-block:1.5rem!important}.premium-team-page .team-header{padding-bottom:1rem;border-bottom:1px solid var(--premium-line)}.premium-team-page .team-grid,#team1Container,#team2Container{gap:1.15rem!important}.premium-team-page .member-card{position:relative;overflow:hidden;padding:clamp(1.1rem,3vw,1.55rem)!important}.premium-team-page .member-card::before{content:"";position:absolute;width:140px;height:140px;left:-65px;top:-70px;border-radius:50%;background:rgba(79,142,255,.12);filter:blur(8px)}.premium-team-page .member-avatar{border:3px solid rgba(255,255,255,.15)!important}.premium-team-page .social-link[href="#"]{opacity:.38;pointer-events:none}.premium-team-page .member-details{border-top:1px solid var(--premium-line);padding-top:.8rem!important}
@media(min-width:900px){.premium-exercises-page .exercises-list{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.premium-exercises-page .exercise-card:has(.exercise-answer.show){grid-column:1/-1}.premium-team-page #team1Container,.premium-team-page #team2Container{grid-template-columns:repeat(3,minmax(0,1fr))!important}}
@media(max-width:800px){.premium-exercises-page .container,.premium-team-page .container{width:min(100% - 20px,1180px)!important}.premium-exercises-page .search-section{top:70px}.premium-exercises-page .filter-buttons{display:grid!important;grid-template-columns:1fr 1fr}.premium-exercises-page .filter-btn{min-height:42px}.premium-exercises-page .exercise-card{border-radius:18px!important}.premium-exercises-page .exercise-header{align-items:flex-start!important}.premium-exercises-page .answer-toggle-btn,.premium-exercises-page .review-btn{width:100%;min-height:46px}.ai-gate-actions{display:grid;grid-template-columns:1fr;width:100%}.ai-gate-actions>*{width:100%}.premium-team-page #team1Container,.premium-team-page #team2Container{grid-template-columns:1fr!important}}

/* One predictable navigation drawer across articles, exercises and team pages. */
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.premium-quick-nav a:last-child{background:var(--premium-panel)!important;color:var(--premium-text)!important;border:1px solid var(--premium-line)!important}.premium-quick-nav a:last-child.active{background:rgba(0,224,173,.09)!important;border-color:rgba(0,224,173,.5)!important}
@media(max-width:380px){.nav-links{width:calc(100vw - 8px)!important;padding-inline:12px!important}.premium-quick-nav{grid-template-columns:1fr!important}.premium-quick-nav a{min-height:56px!important}.premium-nav-tools{grid-template-columns:1fr!important}}
.premium-menu-logout{grid-column:1/-1;margin:0}.premium-menu-logout input{display:none}.premium-menu-logout button{width:100%;border:1px solid rgba(255,90,118,.36)!important;background:rgba(255,90,118,.1)!important;color:#ff9caf!important}.premium-menu-logout button:hover{background:rgba(255,90,118,.17)!important;border-color:#ff6c87!important}

@media(max-width:800px){
  html,body{background-color:var(--premium-bg)!important}
  .navbar,.nav-links{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .navbar{background:var(--premium-bg)!important}
  .nav-links{background:var(--premium-panel)!important}
}


/* === Unified calm legacy pages — 2026-07-31 === */
.premium-exercises-page,.premium-team-page{--p:#6d4aff;--p2:#8b5cf6;--ink:#17152b;--muted:#6b667c;--line:#e8e5ef;--bg:#f8f7fc;background:var(--bg)!important;color:var(--ink)!important;font-family:Vazirmatn,Tahoma,sans-serif;line-height:1.8}
.premium-exercises-page .code-rain-canvas,.premium-team-page .code-rain-canvas{opacity:.025!important}
.premium-exercises-page .navbar,.premium-team-page .navbar{top:12px!important;left:12px!important;right:12px!important;width:auto!important;background:rgba(255,255,255,.95)!important;border:1px solid var(--line)!important;border-radius:22px!important;box-shadow:0 10px 35px rgba(35,25,80,.08)!important;backdrop-filter:blur(18px)}
.premium-exercises-page .nav-container,.premium-team-page .nav-container{min-height:70px!important;max-width:1160px!important}
.premium-exercises-page .logo,.premium-team-page .logo{color:var(--ink)!important;font-weight:900!important}
.premium-exercises-page .logo:before,.premium-team-page .logo:before{content:"Py";display:grid;place-items:center;width:42px;height:42px;margin-left:10px;border-radius:14px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-size:.85rem;box-shadow:0 8px 20px rgba(109,74,255,.22)}
.premium-exercises-page .hamburger,.premium-team-page .hamburger{border:1px solid var(--line)!important;border-radius:12px!important;background:#fff!important}
.premium-exercises-page .page-header,.premium-team-page .page-header{padding-top:145px!important;padding-bottom:42px!important;background:transparent!important;color:var(--ink)!important;text-align:center}
.premium-exercises-page .page-header h1,.premium-team-page .page-header h1{font-size:clamp(2rem,5vw,3.4rem)!important;letter-spacing:-.03em;margin-bottom:10px!important}
.premium-exercises-page .page-header p,.premium-team-page .page-header p{color:var(--muted)!important;font-size:1.02rem!important;max-width:680px;margin-inline:auto}
.premium-exercises-page .premium-article-tools{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.premium-exercises-page .premium-exercise-share{background:#fff!important;border:1px solid var(--line)!important;color:var(--p)!important;border-radius:12px!important;box-shadow:none!important}
.premium-exercises-page .search-section{position:sticky;top:94px;z-index:20;background:rgba(248,247,252,.92)!important;border:0!important;padding:14px 0!important;backdrop-filter:blur(16px)}
.premium-exercises-page .search-box{max-width:720px;margin-inline:auto}
.premium-exercises-page .search-box input{height:52px;border:1px solid var(--line)!important;border-radius:15px!important;background:#fff!important;color:var(--ink)!important;box-shadow:none!important}
.premium-exercises-page .search-box input:focus{border-color:var(--p)!important;box-shadow:0 0 0 4px rgba(109,74,255,.1)!important}
.premium-exercises-page .filter-buttons{gap:7px!important;justify-content:center}
.premium-exercises-page .filter-btn{background:#fff!important;color:#5c576c!important;border:1px solid var(--line)!important;border-radius:999px!important;padding:8px 14px!important}
.premium-exercises-page .filter-btn.active,.premium-exercises-page .filter-btn:hover{background:var(--p)!important;color:#fff!important;border-color:var(--p)!important}
.premium-exercises-page .exercises-list{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px!important;align-items:start}
.premium-exercises-page .exercise-card{background:#fff!important;border:1px solid var(--line)!important;border-radius:18px!important;box-shadow:none!important;padding:22px!important;transition:.2s ease!important}
.premium-exercises-page .exercise-card:hover{transform:translateY(-3px);border-color:#cfc5ff!important;box-shadow:0 14px 35px rgba(35,25,80,.08)!important}
.premium-exercises-page .exercise-header{border-bottom:1px solid var(--line)!important;padding-bottom:13px!important;margin-bottom:14px!important}
.premium-exercises-page .exercise-title{color:var(--ink)!important;font-size:1.08rem!important}
.premium-exercises-page .exercise-badge{border-radius:999px!important;border:0!important}
.premium-exercises-page .exercise-question{background:#f9f8fc!important;border:0!important;border-radius:13px!important;color:#3f3a50!important;padding:15px!important}
.premium-exercises-page .answer-toggle-btn,.premium-exercises-page .review-btn{border-radius:12px!important;min-height:44px!important;font-weight:800!important}
.premium-exercises-page .review-btn,.premium-exercises-page .btn-primary{background:linear-gradient(135deg,var(--p),var(--p2))!important;color:#fff!important;border:0!important}
.premium-exercises-page .code-area{border:1px solid var(--line)!important;border-radius:13px!important;background:#171329!important;color:#f6f2ff!important}
.premium-team-page .team-section{padding:30px 0 64px!important}
.premium-team-page .team-header{margin:36px 0 20px!important}
.premium-team-page .team-title{color:var(--ink)!important;font-size:1.65rem!important}
.premium-team-page .team-grid{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important}
.premium-team-page .leader-card,.premium-team-page .member-card{background:#fff!important;border:1px solid var(--line)!important;border-radius:18px!important;box-shadow:none!important;overflow:hidden!important;transition:.2s ease!important}
.premium-team-page .leader-card{grid-column:span 2}
.premium-team-page .leader-card:hover,.premium-team-page .member-card:hover{transform:translateY(-3px);border-color:#cfc5ff!important;box-shadow:0 14px 35px rgba(35,25,80,.08)!important}
.premium-team-page .member-header{background:linear-gradient(135deg,#f3efff,#faf9ff)!important;color:var(--ink)!important;padding:20px!important}
.premium-team-page .member-avatar{background:linear-gradient(135deg,var(--p),var(--p2))!important;border-radius:15px!important;box-shadow:none!important}
.premium-team-page .member-name{color:var(--ink)!important;font-size:1.1rem!important}
.premium-team-page .member-role{color:var(--p)!important}
.premium-team-page .member-body{padding:18px!important}
.premium-team-page .section-badge{color:#514b64!important;font-weight:850!important}
.premium-team-page .bio{color:var(--muted)!important;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.premium-team-page .skill-tag{background:#f1edff!important;color:var(--p)!important;border:0!important;border-radius:999px!important}
.premium-team-page .info-row{border-top:1px solid var(--line)!important;padding-block:9px!important}
.premium-team-page .social-links a{border:1px solid var(--line)!important;background:#fff!important;color:var(--p)!important;border-radius:10px!important}
.premium-exercises-page .back-home,.premium-team-page .back-home{margin:30px auto!important;text-align:center}
.premium-exercises-page .premium-back-top,.premium-team-page .premium-back-top{background:var(--p)!important;color:#fff!important;border:0!important}
@media(max-width:900px){
 .premium-exercises-page .navbar,.premium-team-page .navbar{top:8px!important;left:6px!important;right:6px!important;border-radius:18px!important}
 .premium-exercises-page .nav-links,.premium-team-page .nav-links{background:#fff!important;border:1px solid var(--line)!important;color:var(--ink)!important}
 .premium-exercises-page .exercises-list{grid-template-columns:1fr!important}
 .premium-team-page .team-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .premium-team-page .leader-card{grid-column:span 2}
}
@media(max-width:560px){
 .premium-exercises-page .page-header,.premium-team-page .page-header{padding-top:118px!important}
 .premium-team-page .team-grid{grid-template-columns:1fr!important}
 .premium-team-page .leader-card{grid-column:span 1}
 .premium-exercises-page .exercise-card{padding:17px!important}
 .premium-exercises-page .search-section{top:78px}
}


/* === Internal pages unified dark/light fix — 2026-07-31 === */
:root[data-theme="dark"] body.premium-article-page,
:root[data-theme="dark"] body.premium-exercises-page,
:root[data-theme="dark"] body.premium-team-page{
 --lp-bg:#100d1b;--lp-surface:#191626;--lp-surface2:#211d31;--lp-line:#39334b;
 --lp-text:#f7f4ff;--lp-muted:#bdb6cc;--lp-brand:#a99cff;
 background:var(--lp-bg)!important;color:var(--lp-text)!important
}
:root[data-theme="dark"] body.premium-article-page .code-rain-canvas,
:root[data-theme="dark"] body.premium-exercises-page .code-rain-canvas,
:root[data-theme="dark"] body.premium-team-page .code-rain-canvas{opacity:.02!important}
:root[data-theme="dark"] body.premium-article-page .navbar,
:root[data-theme="dark"] body.premium-exercises-page .navbar,
:root[data-theme="dark"] body.premium-team-page .navbar{background:rgba(25,22,38,.96)!important;border-color:var(--lp-line)!important;color:var(--lp-text)!important}
:root[data-theme="dark"] body .nav-links{background:var(--lp-surface)!important;color:var(--lp-text)!important;border-color:var(--lp-line)!important}
:root[data-theme="dark"] body .nav-links a,
:root[data-theme="dark"] body .premium-quick-nav a{color:var(--lp-text)!important}
:root[data-theme="dark"] body .nav-links a:hover,
:root[data-theme="dark"] body .premium-quick-nav a.active{background:var(--lp-surface2)!important;color:#fff!important}
:root[data-theme="dark"] body .premium-nav-close,
:root[data-theme="dark"] body .premium-menu-theme,
:root[data-theme="dark"] body .premium-menu-login{background:var(--lp-surface2)!important;color:var(--lp-text)!important;border-color:var(--lp-line)!important}
:root[data-theme="dark"] body.premium-article-page .article-header,
:root[data-theme="dark"] body.premium-exercises-page .page-header,
:root[data-theme="dark"] body.premium-team-page .page-header{background:transparent!important;color:var(--lp-text)!important}
:root[data-theme="dark"] body.premium-article-page .article-header p,
:root[data-theme="dark"] body.premium-exercises-page .page-header p,
:root[data-theme="dark"] body.premium-team-page .page-header p{color:var(--lp-muted)!important}
:root[data-theme="dark"] body.premium-article-page .toc,
:root[data-theme="dark"] body.premium-article-page .section-box,
:root[data-theme="dark"] body.premium-article-page .important,
:root[data-theme="dark"] body.premium-article-page .exercise-box,
:root[data-theme="dark"] body.premium-article-page .note,
:root[data-theme="dark"] body.premium-article-page .warning-box,
:root[data-theme="dark"] body.premium-article-page .summary,
:root[data-theme="dark"] body.premium-article-page .premium-related,
:root[data-theme="dark"] body.premium-article-page .premium-comments,
:root[data-theme="dark"] body.premium-exercises-page .exercise-card,
:root[data-theme="dark"] body.premium-team-page .leader-card,
:root[data-theme="dark"] body.premium-team-page .member-card{background:var(--lp-surface)!important;color:var(--lp-text)!important;border-color:var(--lp-line)!important;box-shadow:none!important}
:root[data-theme="dark"] body.premium-article-page .section-title,
:root[data-theme="dark"] body.premium-article-page h1,
:root[data-theme="dark"] body.premium-article-page h2,
:root[data-theme="dark"] body.premium-article-page h3,
:root[data-theme="dark"] body.premium-exercises-page .exercise-title,
:root[data-theme="dark"] body.premium-team-page .member-name,
:root[data-theme="dark"] body.premium-team-page .team-title{color:var(--lp-text)!important}
:root[data-theme="dark"] body.premium-article-page p,
:root[data-theme="dark"] body.premium-article-page li,
:root[data-theme="dark"] body.premium-exercises-page .exercise-question,
:root[data-theme="dark"] body.premium-team-page .bio,
:root[data-theme="dark"] body.premium-team-page .info-value{color:var(--lp-muted)!important}
:root[data-theme="dark"] body.premium-article-page .code-block,
:root[data-theme="dark"] body.premium-exercises-page .code-area{background:#0d0a16!important;border-color:var(--lp-line)!important;color:#e9e4f5!important}
:root[data-theme="dark"] body.premium-exercises-page .search-section{background:rgba(16,13,27,.94)!important}
:root[data-theme="dark"] body.premium-exercises-page .premium-exercise-share,
:root[data-theme="dark"] body.premium-exercises-page .search-box input,
:root[data-theme="dark"] body.premium-exercises-page .filter-btn,
:root[data-theme="dark"] body.premium-exercises-page input,
:root[data-theme="dark"] body.premium-exercises-page textarea{background:var(--lp-surface)!important;color:var(--lp-text)!important;border-color:var(--lp-line)!important}
:root[data-theme="dark"] body.premium-exercises-page input::placeholder,
:root[data-theme="dark"] body.premium-exercises-page textarea::placeholder{color:#918aa5!important}
:root[data-theme="dark"] body.premium-exercises-page .exercise-question{background:var(--lp-surface2)!important}
:root[data-theme="dark"] body.premium-team-page .member-header{background:linear-gradient(135deg,#241e38,#191626)!important;color:var(--lp-text)!important}
:root[data-theme="dark"] body.premium-team-page .skill-tag{background:#2b2440!important;color:#c9beff!important}
:root[data-theme="dark"] body.premium-team-page .social-links a{background:var(--lp-surface2)!important;color:#c9beff!important;border-color:var(--lp-line)!important}
@media(max-width:900px){
 body.premium-article-page .nav-links,
 body.premium-exercises-page .nav-links,
 body.premium-team-page .nav-links{width:min(92vw,360px)!important;max-width:calc(100vw - 18px)!important;padding:16px!important}
 body.premium-article-page .premium-quick-nav,
 body.premium-exercises-page .premium-quick-nav,
 body.premium-team-page .premium-quick-nav{display:grid!important;gap:6px!important}
 body.premium-article-page .premium-quick-nav a,
 body.premium-exercises-page .premium-quick-nav a,
 body.premium-team-page .premium-quick-nav a{min-height:44px!important;display:flex!important;align-items:center!important;border-radius:12px!important;padding:9px 12px!important}
}


/* === Ghiyasi Learn Experience v21 — articles + exercises === */
body.premium-article-page,body.premium-exercises-page{
 --gx-bg:#f6f5fb;--gx-card:#fff;--gx-card-2:#faf9fd;--gx-text:#19162a;--gx-muted:#686279;
 --gx-line:#e8e4ef;--gx-brand:#6d4aff;--gx-brand2:#9a5bff;--gx-soft:#f0ebff;
 --gx-green:#0f9f73;--gx-shadow:0 18px 55px rgba(42,31,82,.09);
 background:
 radial-gradient(circle at 92% 2%,rgba(109,74,255,.12),transparent 28rem),
 radial-gradient(circle at 4% 22%,rgba(30,184,145,.08),transparent 24rem),
 var(--gx-bg)!important;color:var(--gx-text)!important
}
:root[data-theme=dark] body.premium-article-page,:root[data-theme=dark] body.premium-exercises-page{
 --gx-bg:#0f0c19;--gx-card:#181423;--gx-card-2:#211c30;--gx-text:#f7f4ff;--gx-muted:#b9b2c9;
 --gx-line:#393247;--gx-brand:#a99cff;--gx-brand2:#c084fc;--gx-soft:#29213e;
 --gx-green:#64ddb5;--gx-shadow:0 22px 65px rgba(0,0,0,.32)
}
body.premium-article-page .navbar,body.premium-exercises-page .navbar{
 top:10px!important;left:10px!important;right:10px!important;width:auto!important;
 background:color-mix(in srgb,var(--gx-card) 92%,transparent)!important;border:1px solid var(--gx-line)!important;
 border-radius:20px!important;box-shadow:0 10px 35px rgba(30,24,60,.08)!important;backdrop-filter:blur(18px)
}
body.premium-article-page .nav-container,body.premium-exercises-page .nav-container{max-width:1160px!important;min-height:68px!important}
body.premium-article-page .logo,body.premium-exercises-page .logo{color:var(--gx-text)!important;font-weight:900!important}
body.premium-article-page .article-header,body.premium-exercises-page .page-header{
 width:min(1120px,calc(100% - 28px));margin:110px auto 30px!important;padding:clamp(34px,6vw,70px)!important;
 border:1px solid var(--gx-line)!important;border-radius:30px!important;
 background:linear-gradient(135deg,color-mix(in srgb,var(--gx-brand) 14%,var(--gx-card)),var(--gx-card))!important;
 box-shadow:var(--gx-shadow)!important;position:relative;overflow:hidden;text-align:right!important;color:var(--gx-text)!important
}
body.premium-article-page .article-header:after,body.premium-exercises-page .page-header:after{
 content:"</>";position:absolute;left:5%;top:50%;transform:translateY(-50%);font:900 clamp(4rem,12vw,9rem)/1 monospace;
 color:var(--gx-brand);opacity:.07;pointer-events:none
}
body.premium-article-page .article-header h1,body.premium-exercises-page .page-header h1{
 font-size:clamp(2rem,5vw,3.8rem)!important;line-height:1.25!important;letter-spacing:-.035em!important;color:var(--gx-text)!important;margin:0 0 12px!important
}
body.premium-article-page .article-header p,body.premium-exercises-page .page-header p{color:var(--gx-muted)!important;max-width:720px;font-size:1.05rem!important}
body.premium-article-page main.container{width:min(940px,calc(100% - 28px))!important}
body.premium-article-page .toc{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px!important;padding:22px!important;background:var(--gx-card)!important;border:1px solid var(--gx-line)!important;border-radius:20px!important;box-shadow:none!important}
body.premium-article-page .toc h2,body.premium-article-page .toc h3{grid-column:1/-1;color:var(--gx-text)!important}
body.premium-article-page .toc a{display:flex!important;align-items:center!important;min-height:44px;padding:9px 12px!important;border-radius:11px!important;background:var(--gx-card-2)!important;color:var(--gx-muted)!important;border:1px solid transparent!important}
body.premium-article-page .toc a:hover{color:var(--gx-brand)!important;border-color:color-mix(in srgb,var(--gx-brand) 35%,var(--gx-line))!important;transform:translateX(-3px)}
body.premium-article-page .section-box{background:var(--gx-card)!important;border:1px solid var(--gx-line)!important;border-radius:22px!important;padding:clamp(22px,4vw,38px)!important;margin:18px 0!important;box-shadow:none!important}
body.premium-article-page .section-box:hover{border-color:color-mix(in srgb,var(--gx-brand) 38%,var(--gx-line))!important}
body.premium-article-page .section-title{display:flex!important;align-items:center!important;gap:10px!important;color:var(--gx-text)!important;border-bottom:1px solid var(--gx-line)!important;padding-bottom:14px!important}
body.premium-article-page .section-title:before{content:"";width:7px;height:28px;border-radius:9px;background:linear-gradient(var(--gx-brand),var(--gx-brand2))}
body.premium-article-page p,body.premium-article-page li{color:var(--gx-muted)!important}
body.premium-article-page .code-block{background:#0c0a13!important;color:#efeafa!important;border:1px solid #312940!important;border-radius:18px!important;box-shadow:0 16px 40px rgba(0,0,0,.18)!important;overflow:hidden}
body.premium-article-page .code-header{background:#171220!important;border-bottom:1px solid #302940!important;padding:10px 14px!important}
body.premium-article-page .copy-btn{border-radius:9px!important;background:#2a2240!important;color:#d9d0ff!important;border:1px solid #443866!important}
body.premium-article-page .important,body.premium-article-page .note,body.premium-article-page .warning-box,body.premium-article-page .summary,body.premium-article-page .exercise-box{
 border:1px solid var(--gx-line)!important;border-right:5px solid var(--gx-brand)!important;border-radius:16px!important;
 background:var(--gx-card-2)!important;color:var(--gx-text)!important;box-shadow:none!important
}
body.premium-article-page .premium-related,body.premium-article-page .premium-comments{background:var(--gx-card)!important;border:1px solid var(--gx-line)!important;border-radius:22px!important;box-shadow:none!important}
body.premium-exercises-page .search-section{position:sticky!important;top:88px!important;z-index:30!important;background:color-mix(in srgb,var(--gx-bg) 88%,transparent)!important;backdrop-filter:blur(16px);padding:12px 0 16px!important}
body.premium-exercises-page .search-box input{min-height:54px!important;background:var(--gx-card)!important;color:var(--gx-text)!important;border:1px solid var(--gx-line)!important;border-radius:15px!important;box-shadow:0 8px 25px rgba(35,26,70,.06)!important}
body.premium-exercises-page .filter-buttons{display:flex!important;gap:7px!important;overflow:auto;padding:4px 2px 2px!important;scrollbar-width:none}
body.premium-exercises-page .filter-btn{flex:0 0 auto!important;border-radius:999px!important;background:var(--gx-card)!important;color:var(--gx-muted)!important;border:1px solid var(--gx-line)!important;padding:9px 15px!important}
body.premium-exercises-page .filter-btn.active,body.premium-exercises-page .filter-btn:hover{background:linear-gradient(135deg,var(--gx-brand),var(--gx-brand2))!important;color:#fff!important;border-color:transparent!important}
body.premium-exercises-page .exercises-list{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:14px!important;align-items:start!important}
body.premium-exercises-page .exercise-card{position:relative;overflow:hidden;background:var(--gx-card)!important;border:1px solid var(--gx-line)!important;border-radius:20px!important;padding:22px!important;box-shadow:none!important;transition:.22s ease!important}
body.premium-exercises-page .exercise-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--gx-brand),var(--gx-brand2),var(--gx-green))}
body.premium-exercises-page .exercise-card:hover{transform:translateY(-4px)!important;border-color:color-mix(in srgb,var(--gx-brand) 45%,var(--gx-line))!important;box-shadow:var(--gx-shadow)!important}
body.premium-exercises-page .exercise-header{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:10px!important;padding-bottom:13px!important;border-bottom:1px solid var(--gx-line)!important}
body.premium-exercises-page .exercise-title{color:var(--gx-text)!important;font-size:1.06rem!important}
body.premium-exercises-page .exercise-badge{border-radius:999px!important;padding:5px 10px!important}
body.premium-exercises-page .exercise-question{background:var(--gx-card-2)!important;color:var(--gx-muted)!important;border:0!important;border-radius:14px!important;padding:15px!important}
body.premium-exercises-page .answer-toggle-btn,body.premium-exercises-page .review-btn{min-height:44px!important;border-radius:12px!important;font-weight:850!important}
body.premium-exercises-page .review-btn{background:linear-gradient(135deg,var(--gx-brand),var(--gx-brand2))!important;color:#fff!important;border:0!important}
body.premium-exercises-page .code-area{background:#0c0a13!important;color:#efeafa!important;border:1px solid #332b43!important;border-radius:14px!important;min-height:160px!important}
@media(max-width:760px){
 body.premium-article-page .article-header,body.premium-exercises-page .page-header{margin-top:92px!important;border-radius:22px!important;padding:28px 20px!important}
 body.premium-article-page .article-header:after,body.premium-exercises-page .page-header:after{display:none}
 body.premium-article-page .toc{grid-template-columns:1fr!important;padding:16px!important}
 body.premium-article-page .section-box{border-radius:17px!important;padding:20px 16px!important}
 body.premium-exercises-page .search-section{top:76px!important}
 body.premium-exercises-page .exercises-list{grid-template-columns:1fr!important}
 body.premium-exercises-page .exercise-card{padding:18px!important;border-radius:17px!important}
}


/* v21.1 contrast safety */
body.premium-exercises-page .page-header h1,
body.premium-article-page .page-header h1{color:#17122b!important;text-shadow:none!important}
body.premium-exercises-page .page-header p,
body.premium-article-page .page-header p{color:#625b78!important}
html[data-theme="dark"] body.premium-exercises-page .page-header h1,
html[data-theme="dark"] body.premium-article-page .page-header h1,
body.dark-mode.premium-exercises-page .page-header h1,
body.dark-mode.premium-article-page .page-header h1{color:#f7f8ff!important}
html[data-theme="dark"] body.premium-exercises-page .page-header p,
html[data-theme="dark"] body.premium-article-page .page-header p,
body.dark-mode.premium-exercises-page .page-header p,
body.dark-mode.premium-article-page .page-header p{color:#c9c4dc!important}

/* v21.2 dark mode synchronization */
html[data-theme="dark"] body.premium-exercises-page,
html[data-theme="dark"] body.premium-article-page{background:#090b16!important;color:#eef1ff!important}
html[data-theme="dark"] body.premium-exercises-page .page-header,
html[data-theme="dark"] body.premium-article-page .page-header,
html[data-theme="dark"] body.premium-exercises-page .exercises-toolbar,
html[data-theme="dark"] body.premium-exercises-page .exercise-card,
html[data-theme="dark"] body.premium-article-page .article-content,
html[data-theme="dark"] body.premium-article-page .article-toc,
html[data-theme="dark"] body.premium-article-page .article-section{background-color:#121625!important;border-color:#2a3046!important;color:#eef1ff!important}
html[data-theme="dark"] body.premium-exercises-page .exercise-card h2,
html[data-theme="dark"] body.premium-exercises-page .exercise-card h3,
html[data-theme="dark"] body.premium-article-page h2,
html[data-theme="dark"] body.premium-article-page h3{color:#f7f8ff!important}
html[data-theme="dark"] body.premium-exercises-page input{background:#0d1120!important;color:#f7f8ff!important;border-color:#303750!important}