/* Vibe Coding Hub — дизайн в стиле edugusarov.com: светлый, фиолетовый акцент,
   Unbounded/Onest/JetBrains Mono, тёмный футер */
:root{
  --bg:#FAF8F2;            /* кремовый фон */
  --card:#FFFFFF;
  --bg-alt:#F7F8FA;
  --ink:#0F0F1A;
  --ink-soft:#52556A;
  --ink-muted:#8E91A4;
  --ac:#7C3AED;            /* фиолетовый акцент */
  --ac-h:#6D28D9;
  --ac-text:#6B00DD;
  --ac-soft:rgba(124,58,237,.07);
  --lime:#9BFF00;          /* акцент футера */
  --footer-bg:#140A23;
  --rule:rgba(15,15,26,.08);
  --rule-mid:rgba(15,15,26,.16);
  --shadow-sm:0 1px 2px rgba(15,15,26,.04);
  --shadow-md:0 6px 20px -6px rgba(15,15,26,.10),0 2px 6px rgba(15,15,26,.05);
  --shadow-lg:0 24px 48px -12px rgba(15,15,26,.14),0 4px 10px rgba(15,15,26,.06);
  --ff-head:'Unbounded',system-ui,sans-serif;
  --ff-body:'Onest',system-ui,'Segoe UI',Arial,sans-serif;
  --ff-mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.62 var(--ff-body);-webkit-font-smoothing:antialiased}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
a{color:var(--ac-text);text-decoration:none;transition:color .15s}
a:hover{color:var(--ac-h);text-decoration:underline}
h1,h2,h3,.bmark{font-family:var(--ff-head)}
img{max-width:100%}
code,pre{font-family:var(--ff-mono)}

/* ---------- шапка ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule-mid)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--ff-head);font-weight:800;font-size:16px;color:var(--ink);letter-spacing:.2px}
.brand:hover{text-decoration:none}
.bmark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--ac),var(--ac-h));color:#fff;font-size:15px;font-weight:800;box-shadow:0 4px 12px rgba(124,58,237,.35)}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{color:var(--ink-soft);font-size:13.5px;font-weight:500;padding:7px 11px;border-radius:999px}
.nav a:hover{color:var(--ac-h);background:var(--ac-soft);text-decoration:none}
.nav a.on{color:#fff;background:linear-gradient(135deg,var(--ac),var(--ac-h));font-weight:600}
.nav a.artnav{font-weight:600}
.nav a.adm{color:var(--ac-text);border:1px solid var(--rule-mid)}
.sform input{background:#fff;border:1px solid var(--rule-mid);border-radius:999px;color:var(--ink);padding:8px 16px;font:500 13px var(--ff-body);width:250px;transition:border-color .15s,box-shadow .15s}
.sform input:focus{outline:none;border-color:var(--ac);box-shadow:0 0 0 3px var(--ac-soft)}
.burger{display:none;background:none;border:1px solid var(--rule-mid);color:var(--ink);font-size:20px;border-radius:10px;padding:4px 12px;cursor:pointer}

/* ---------- контент ---------- */
main.wrap{padding-top:34px;padding-bottom:70px;min-height:70vh}
.block h2{font-size:clamp(24px,4.5vw,38px);font-weight:600;letter-spacing:-.01em;line-height:1.1;margin:8px 0 14px}
.block h2::before{content:"// ";color:var(--ac);font-family:var(--ff-mono);font-weight:500;font-size:.85em}
.block>.muted{font-size:16px;max-width:820px}
.muted{color:var(--ink-muted)}
.section-intro{margin:8px 0 26px}

/* карточки */
.cards,.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:14px;margin:20px 0}
.card,.titem{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);transition:transform .18s var(--ease-out, ease),box-shadow .18s,border-color .18s}
.card:hover,.titem:hover{border-color:rgba(124,58,237,.4);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card h3,.titem b{margin:0 0 7px;font-size:15px;font-weight:600;display:block;font-family:var(--ff-body)}
.card p,.titem p{margin:0;color:var(--ink-muted);font-size:14px;line-height:1.55}
.tgroup{margin:26px 0}
.tgroup h3{color:var(--ac-text);font-family:var(--ff-head);font-size:16px;font-weight:600;margin:0 0 6px;padding-bottom:8px;border-bottom:1px solid var(--rule)}
.tgroup>.muted{margin:0 0 4px;font-size:13px}
.tgroup .tgrid{margin-top:12px}

/* промпты */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.pcard{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.pcard h3{margin:0 0 8px;font-size:16px;font-weight:600;font-family:var(--ff-body)}
.pcard .muted{font-size:13px;margin:0 0 12px}
.pbody{background:var(--footer-bg);border:1px solid rgba(155,255,0,.18);border-radius:12px;padding:14px;font:12.5px/1.6 var(--ff-mono);color:#EDE9FF;white-space:pre-wrap;max-height:300px;overflow:auto;flex:1}
.pcopy{margin-top:12px;background:#fff;border:1px solid var(--rule-mid);color:var(--ac-text);font:600 13px var(--ff-body);border-radius:999px;padding:8px 14px;cursor:pointer;transition:all .15s}
.pcopy:hover{border-color:var(--ac);background:var(--ac);color:#fff}

/* пары (глоссарий, FAQ) */
.pairs{display:grid;gap:10px;margin:18px 0}
.pair{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-sm);transition:border-color .15s}
.pair:hover{border-color:rgba(124,58,237,.4)}
.pair summary{cursor:pointer;font-weight:600;font-size:15px}
.pair summary::marker{color:var(--ac)}
.pair-body{color:var(--ink-soft);margin-top:10px;font-size:14.5px;line-height:1.6}
.pair-body b{color:var(--ink)}

/* статья-раздел (что такое) */
.article h3{margin:26px 0 8px;color:var(--ac-text);font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.article p{margin:0 0 12px;color:var(--ink-soft);font-size:16px;line-height:1.7}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:14px}
.check,.cross{padding-left:22px;color:var(--ink-soft);font-size:15px}
.check li,.cross li{margin-bottom:8px}
.check li::marker{color:var(--lime);content:"✓ "}
.cross li::marker{color:#E63946}

/* кнопки */
.btn{display:inline-block;background:linear-gradient(135deg,var(--ac),var(--ac-h));color:#fff;font:700 14px var(--ff-body);padding:12px 26px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 8px 20px -6px rgba(124,58,237,.45);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px -6px rgba(124,58,237,.55);color:#fff}
.btn.save{position:fixed;right:24px;bottom:24px;z-index:60;box-shadow:0 12px 30px rgba(124,58,237,.5)}
.btn.save:hover{transform:none}

/* футер */
.foot{background:var(--footer-bg);color:rgba(235,228,255,.72);margin-top:30px}
.foot .wrap{padding-top:40px;padding-bottom:34px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.foot h4{color:#fff;font-family:var(--ff-head);font-size:13px;font-weight:600;margin:0 0 12px}
.foot p{margin:0 0 8px;font-size:13.5px;line-height:1.6}
.foot a{color:rgba(235,228,255,.86);font-size:13.5px;display:block;margin-bottom:7px}
.foot a:hover{color:var(--lime);text-decoration:none}
.foot .fbrand{color:var(--lime);font-family:var(--ff-head);font-weight:700;font-size:15px;margin-bottom:10px}
.foot .copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.08);padding-top:18px;font-size:12.5px;color:rgba(235,228,255,.5)}

/* логин */
.login{display:flex;justify-content:center;padding-top:80px}
.login-box{background:var(--card);border:1px solid var(--rule);border-radius:22px;padding:30px;width:min(420px,100%);display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-lg)}
.login-box h2{font-size:20px;margin:0}
.login-box input{padding:12px 16px;border-radius:12px;border:1px solid var(--rule-mid);background:#fff;color:var(--ink);font:15px var(--ff-body)}
.login-box input:focus{outline:none;border-color:var(--ac)}

/* админка */
.admin-grid{display:grid;grid-template-columns:300px 1fr;gap:18px;margin-top:18px}
.sec-list{display:flex;flex-direction:column;gap:6px}
.sec-nav{display:flex;flex-direction:column;gap:3px;background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:11px 14px;box-shadow:var(--shadow-sm)}
.sec-nav b{font-size:14px;font-family:var(--ff-body)}
.sec-nav span{color:var(--ink-muted);font-size:12px}
.sec-nav a{font-size:12px}
.sec-nav.active{border-color:var(--ac)}
.editor{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:18px;min-height:400px;box-shadow:var(--shadow-sm)}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field label{font-size:13px;color:var(--ink-muted)}
.field input,.field textarea{background:#fff;border:1px solid var(--rule-mid);border-radius:10px;color:var(--ink);padding:9px 12px;font:14px var(--ff-body);width:100%}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ac)}
.field textarea{min-height:100px;resize:vertical;font-family:var(--ff-mono);font-size:13px}
.item-box{border:1px solid var(--rule);border-radius:12px;padding:12px;margin-bottom:14px;background:var(--bg)}
.item-box .row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.item-box .del{background:none;border:1px solid #E63946;color:#E63946;border-radius:999px;cursor:pointer;padding:4px 12px;font-size:12px;font-weight:600}
.addb{background:#fff;border:1px dashed var(--rule-mid);color:var(--ac-text);border-radius:10px;padding:9px 14px;cursor:pointer;margin-top:4px;font:500 13px var(--ff-body)}
.addb:hover{border-color:var(--ac);background:var(--ac-soft)}
#save-msg{margin-top:14px;color:#2E9E4F;font-weight:600}

/* статьи */
.art-top{margin:6px 0 4px}
.art-top a{font-size:13px;font-weight:600}
.art-list{display:grid;gap:12px;margin-top:20px}
.art-link{display:block;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:18px 20px;color:var(--ink);box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s,border-color .15s}
.art-link:hover{border-color:rgba(124,58,237,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none;color:var(--ink)}
.art-link b{font-size:16.5px;font-weight:600;line-height:1.4}
.art-link .muted{display:block;font-size:12px;margin-top:5px;text-transform:uppercase;letter-spacing:.08em}
.art-link p{margin:8px 0 0;color:var(--ink-muted);font-size:14.5px}
.art{padding-bottom:10px}
.art h1{font-size:clamp(24px,4.5vw,40px);font-weight:600;letter-spacing:-.01em;line-height:1.15;margin:14px 0 6px}
.art .art-meta{margin:4px 0 8px}
.art-body{margin-top:18px;max-width:860px}
.art-body h2{font-size:25px;font-weight:600;margin:38px 0 16px;letter-spacing:-.01em}
.art-body h3{font-size:19px;font-weight:600;margin:30px 0 12px}
.art-body h4{font-size:17px;margin:24px 0 10px}
.art-body h1:first-child{display:none}
.art-body p{margin:12px 0;color:#2B2C3A;font-size:17px;line-height:1.75}
.art-body ul,.art-body ol{padding-left:24px;color:#2B2C3A}
.art-body li{margin-bottom:7px;line-height:1.65}
.art-body pre{background:var(--footer-bg);border:1px solid rgba(155,255,0,.16);border-radius:14px;padding:16px;overflow:auto;color:#EDE9FF;font:13px/1.65 var(--ff-mono);box-shadow:var(--shadow-sm)}
.art-body code{background:var(--ac-soft);border:1px solid rgba(124,58,237,.18);border-radius:6px;padding:2px 7px;font-size:.88em;color:var(--ac-text)}
.art-body pre code{background:none;border:none;padding:0;color:inherit;font-size:13px}
.art-body blockquote{border-left:3px solid var(--ac);margin:18px 0;padding:14px 20px;color:var(--ink-soft);background:var(--card);border-radius:0 12px 12px 0;box-shadow:var(--shadow-sm)}
.art-body blockquote p{margin:6px 0}
.art-body hr{border:none;border-top:1px solid var(--rule-mid);margin:28px 0}
.art-body table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}
.art-body th,.art-body td{border:1px solid var(--rule-mid);padding:8px 12px;text-align:left}
.art-body th{background:var(--bg-alt)}

/* поиск */
.search-stats{margin:6px 0 0;font-size:14px}

/* адаптив */
@media(max-width:960px){
  .foot .wrap{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:860px){
  .top .wrap{min-height:56px}
  .brand{font-size:14px}
  .bmark{width:28px;height:28px;font-size:13px}
  .nav{display:none;width:100%;order:10;flex-direction:column;background:#fff;border:1px solid var(--rule-mid);border-radius:14px;padding:8px;box-shadow:var(--shadow-md)}
  .nav.open{display:flex}
  .nav a{padding:10px 14px;border-radius:10px}
  .burger{display:block}
  .sform{margin:4px 0 2px;width:100%}
  .sform input{width:100%}
  .two,.admin-grid{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr}
  .foot .copy{grid-column:1}
  main.wrap{padding-top:22px}
}

/* ---------- hero (главная) ---------- */
.hero{background:linear-gradient(150deg,#fff 0%,#F4EEFF 55%,#EDE3FF 100%);border:1px solid rgba(124,58,237,.16);border-radius:24px;padding:44px 44px 36px;margin:6px 0 34px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.14),transparent 70%);pointer-events:none}
.hero-tag{display:inline-block;background:var(--ac-soft);color:var(--ac-text);border:1px solid rgba(124,58,237,.22);border-radius:999px;padding:6px 14px;font:600 12px var(--ff-body);letter-spacing:.06em;text-transform:uppercase;margin:0 0 18px}
.hero h1{font-size:clamp(28px,5.2vw,46px);font-weight:700;letter-spacing:-.015em;line-height:1.12;margin:0 0 16px;max-width:760px}
.hero-sub{font-size:17px;line-height:1.65;color:var(--ink-soft);margin:0 0 28px;max-width:640px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats>div{background:#fff;border:1px solid var(--rule);border-radius:16px;padding:14px 22px;min-width:110px;text-align:center;box-shadow:var(--shadow-sm)}
.hero-stats b{display:block;font-family:var(--ff-head);font-size:24px;font-weight:700;color:var(--ac-text);line-height:1}
.hero-stats span{display:block;font-size:12.5px;color:var(--ink-muted);margin-top:6px}
@media(max-width:860px){
  .hero{padding:28px 22px 26px;border-radius:18px}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:10px}
  .hero-stats>div{padding:12px 16px;min-width:92px}
  .hero-stats b{font-size:20px}
}

/* ---------- выпадающее меню (десктоп) ---------- */
.dd{position:relative}
.dd-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:var(--ink-soft);font:500 13.5px var(--ff-body);padding:7px 11px;border-radius:999px;cursor:pointer;transition:color .15s,background .15s}
.dd-btn:hover{color:var(--ac-h);background:var(--ac-soft)}
.dd-btn.on{color:#fff;background:linear-gradient(135deg,var(--ac),var(--ac-h));font-weight:600}
.dd-caret{font-size:11px;opacity:.7;transition:transform .18s}
.dd.open .dd-caret{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + 10px);left:0;right:auto;min-width:min(560px,calc(100vw - 24px));max-width:min(720px,calc(100vw - 24px));background:#fff;border:1px solid var(--rule-mid);border-radius:18px;padding:16px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s,transform .16s,visibility .16s;z-index:120}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dd-head{font:600 12px var(--ff-body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 12px}
.dd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.dd-grid a{display:block;color:var(--ink);border-radius:12px;padding:10px 12px;transition:background .15s}
.dd-grid a:hover{background:var(--ac-soft);text-decoration:none;color:var(--ink)}
.dd-grid a b{display:block;font-size:14px;font-weight:600;font-family:var(--ff-body)}
.dd-grid a span{display:block;color:var(--ink-muted);font-size:12px;line-height:1.45;margin-top:3px;font-weight:400}
.dd-grid a.on{background:var(--ac-soft)}
.dd-grid a.on b{color:var(--ac-text)}

/* ---------- улучшение статей ---------- */
.art-body pre{position:relative}
.code-copy{position:absolute;top:10px;right:10px;font:600 12px var(--ff-body);background:rgba(255,255,255,.08);color:#EDE9FF;border:1px solid rgba(155,255,0,.25);border-radius:8px;padding:4px 10px;cursor:pointer;opacity:0;transition:opacity .15s}
.art-body pre:hover .code-copy,.code-copy:focus{opacity:1}
.tbl{overflow-x:auto;background:#fff;border:1px solid var(--rule);border-radius:14px;box-shadow:var(--shadow-sm);margin:16px 0}
.tbl table{margin:0;min-width:520px}
.art-body tr:nth-child(even){background:var(--bg-alt)}
.toc{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:14px 18px;margin:0 0 24px;box-shadow:var(--shadow-sm)}
.toc summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--ac-text)}
.toc ol{margin:10px 0 0;padding-left:20px;display:grid;gap:5px}
.toc a{font-size:14px;color:var(--ink-soft)}
.toc a:hover{color:var(--ac-h)}
.toc .l3{padding-left:16px;font-size:13px}
.art .ricon{display:inline-block;background:var(--ac-soft);color:var(--ac-text);border:1px solid rgba(124,58,237,.2);border-radius:999px;padding:4px 12px;font:600 11.5px var(--ff-body);letter-spacing:.04em;text-transform:uppercase;margin:0 0 10px}

/* ---------- адаптив: статьи и меню ---------- */
@media(max-width:1100px){
  .sform input{width:180px}
}
@media(max-width:860px){
  .art h1{font-size:26px}
  .art-body p{font-size:16px;line-height:1.7}
  .art-body h2{font-size:22px;margin:28px 0 12px}
  .art-body h3{font-size:18px;margin:24px 0 10px}
  .art-body pre{font-size:12.5px;padding:14px 12px;border-radius:12px}
  .art-body pre code{font-size:12.5px}
  .art-body blockquote{padding:12px 14px}
  .dd-menu{position:static;min-width:0;max-width:none;box-shadow:none;border:none;padding:0 0 2px;opacity:0;visibility:hidden;transform:none;max-height:0;overflow:hidden}
  .dd.open .dd-menu{opacity:1;visibility:visible;padding:8px 0 2px;max-height:70vh;overflow:auto}
  .dd-grid{grid-template-columns:1fr 1fr}
  .dd-btn{width:100%;justify-content:space-between}
  .art-link{padding:15px 16px}
  .art-link b{font-size:15.5px}
  .tbl{border-radius:12px}
}
@media(hover:none){
  .code-copy{opacity:1}
}

/* ---------- защита от растягивания на мобильных ---------- */
html,body{overflow-x:clip;max-width:100%}
.wrap{min-width:0}
.grid>.pcard,.cards>*,.grid2>*,.art-list>*{min-width:0;max-width:100%}
.art-body p,.art-body li,.art-body td,.art-body blockquote{overflow-wrap:break-word}
.art-body code{overflow-wrap:anywhere}
.dd{max-width:100%}
@media(max-width:860px){
  .grid{grid-template-columns:minmax(0,1fr)}
  .cards,.tgrid{grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}
  .steps-row{grid-template-columns:1fr;gap:14px}
  .step b{top:-12px}
  .pcard .pbody{max-height:none}
  .hero-stats>div{flex:1 1 calc(50% - 5px);min-width:0}
  .top .wrap{gap:8px}
}
@media(max-width:460px){
  .wrap{padding:0 14px}
  .dd-grid{grid-template-columns:1fr}
  .hero{padding:24px 18px 22px;border-radius:16px}
  .hero h1{font-size:26px}
  .hero-tag{font-size:11px;padding:5px 11px}
  .art-body p{font-size:15.5px}
  .block h2{font-size:24px}
  .sform input{font-size:14px}
}