/* Knowledge Center — isolated extension */
.kc-hero{padding:calc(var(--nav-height) + 7rem) 0 5.5rem;min-height:62vh;display:flex;align-items:center;border-bottom:1px solid var(--line);background:radial-gradient(circle at 75% 20%,rgba(124,140,255,.13),transparent 34%)}
.kc-hero h1{max-width:980px;font-size:clamp(2.8rem,6vw,5.4rem)}.kc-hero p{max-width:790px;color:var(--dim);font-size:1.08rem;margin-top:1.4rem}.kc-breadcrumbs{font:500 .63rem var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:1.2rem}.kc-breadcrumbs a{text-decoration:none}.kc-breadcrumbs a:hover{color:var(--mint)}
.kc-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.kc-hub{display:block;min-height:235px;padding:1.8rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#111522,#0b0e18);text-decoration:none;position:relative;overflow:hidden;transition:.25s}.kc-hub:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}.kc-hub small{font:500 .62rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mint)}.kc-hub h2{font-size:1.8rem;margin-top:.65rem}.kc-hub p{color:var(--dim);max-width:450px;margin-top:.7rem}.kc-hub span{position:absolute;left:1.8rem;bottom:1.5rem;color:var(--mint);font:500 .64rem var(--mono);letter-spacing:.08em;text-transform:uppercase}
.kc-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;padding:2.3rem;border:1px solid var(--line-strong);border-radius:22px;background:linear-gradient(120deg,rgba(124,140,255,.14),rgba(127,240,211,.05),rgba(13,16,27,.95));overflow:hidden}.kc-feature-label{font:500 .63rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mint)}.kc-feature h2{font-size:clamp(2rem,4vw,3.2rem);margin-top:.8rem}.kc-feature p{color:var(--dim);margin-top:.8rem}.kc-feature-art{min-height:260px;border:1px solid var(--line);border-radius:16px;background:radial-gradient(circle at center,rgba(127,240,211,.16),transparent 32%),linear-gradient(135deg,rgba(124,140,255,.14),rgba(8,10,18,.8));position:relative}.kc-feature-art:before,.kc-feature-art:after{content:"";position:absolute;border:1px solid rgba(127,240,211,.25);border-radius:50%;inset:20%}.kc-feature-art:after{inset:35%;border-color:rgba(124,140,255,.35)}
.kc-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;margin-bottom:2rem}.kc-search{position:relative}.kc-search input{border-radius:999px;padding:1rem 1.25rem 1rem 3rem}.kc-search:before{content:"⌕";position:absolute;left:1.2rem;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--mint);z-index:2}.kc-tags{display:flex;gap:.5rem;flex-wrap:wrap}.kc-filter{border:1px solid var(--line);border-radius:999px;background:var(--bg2);padding:.62rem .8rem;color:var(--dim);font:500 .61rem var(--mono);text-transform:uppercase;letter-spacing:.06em}.kc-filter:hover,.kc-filter.is-active{border-color:var(--mint);color:var(--mint)}
.kc-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.kc-card{display:flex;flex-direction:column;min-height:310px;padding:1.5rem;border:1px solid var(--line);border-radius:16px;background:var(--bg2);text-decoration:none;transition:.24s}.kc-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}.kc-card-meta{display:flex;justify-content:space-between;gap:1rem;font:500 .58rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mint)}.kc-card h3{font-size:1.25rem;margin-top:1.1rem}.kc-card p{color:var(--dim);font-size:.86rem;margin-top:.65rem}.kc-card-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto;padding-top:1.3rem}.kc-card-tags span{border:1px solid var(--line);border-radius:999px;padding:.3rem .48rem;color:var(--muted);font:500 .56rem var(--mono);text-transform:uppercase}.kc-empty{display:none;text-align:center;border:1px dashed var(--line-strong);padding:3rem;border-radius:16px;color:var(--dim)}.kc-empty.is-visible{display:block}.kc-empty button{margin:1rem auto 0}
.kc-article{padding:calc(var(--nav-height) + 5.5rem) 0 6rem}.kc-article-header{max-width:940px;margin:0 auto 4rem}.kc-article-header h1{font-size:clamp(2.7rem,6vw,5rem)}.kc-article-summary{font-size:1.12rem;color:var(--dim);margin-top:1.3rem;max-width:800px}.kc-article-meta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.5rem;color:var(--mint);font:500 .62rem var(--mono);letter-spacing:.08em;text-transform:uppercase}.kc-article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:4rem;justify-content:center}.kc-prose{font-size:1.04rem}.kc-prose p{color:#c6cce0;margin-bottom:1.45rem}.kc-prose h2{font-size:2rem;margin:3rem 0 1rem}.kc-aside{position:sticky;top:calc(var(--nav-height) + 2rem);align-self:start;border-left:1px solid var(--line);padding-left:1.4rem}.kc-aside strong{font:500 .62rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mint)}.kc-aside a{display:block;text-decoration:none;color:var(--dim);font-size:.82rem;margin-top:.8rem}.kc-aside a:hover{color:var(--ink)}
.kc-mega{width:min(960px,calc(100vw - 48px))!important}.kc-mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) 1.05fr;gap:.6rem}.kc-mega .mega-item{grid-template-columns:1fr}
.kc-mega .mega-item{
    display:grid;
    grid-template-columns:42px minmax(0,1fr) auto;
    gap:0.9rem;
    align-items:start;
    padding:1rem 1.1rem;
    border-radius:12px;
}

.kc-mega .mega-item img,
.kc-mega .mega-item svg{
    width:22px;
    height:22px;
    margin-top:2px;
    flex-shrink:0;
}

.kc-mega .mega-item strong{
    display:block;
    margin:0 0 .35rem;
}

.kc-mega .mega-item span{
    display:block;
    margin:0;
    color:var(--muted);
    line-height:1.45;
}

.kc-mega .mega-item::after{
    content:"→";
    color:var(--mint);
    font-size:1rem;
    align-self:center;
    opacity:.8;
    transition:.2s ease;
}

.kc-mega .mega-item:hover::after{
    transform:translateX(4px);
    opacity:1;
}

.kc-mega .mega-item:hover{
    background:rgba(255,255,255,.03);
}
.kc-mega-feature{grid-row:1/3;grid-column:3;padding:1.2rem;border:1px solid var(--line);border-radius:13px;background:linear-gradient(145deg,rgba(124,140,255,.14),rgba(127,240,211,.06));text-decoration:none;display:flex;flex-direction:column}.kc-mega-feature small{font:500 .58rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mint)}.kc-mega-feature strong{font:500 1.2rem var(--display);margin-top:.7rem}.kc-mega-feature span{color:var(--dim);font-size:.72rem;margin-top:.5rem}.kc-mega-feature i{font-style:normal;color:var(--mint);font:500 .62rem var(--mono);margin-top:auto;padding-top:1rem;text-transform:uppercase}
@media(max-width:1100px){.kc-mega-grid{grid-template-columns:1fr}.kc-mega-feature{grid-column:auto;grid-row:auto}.kc-card-grid{grid-template-columns:repeat(2,1fr)}.kc-article-layout{grid-template-columns:minmax(0,760px)}.kc-aside{display:none}}
@media(max-width:760px){.kc-hero{padding-top:calc(var(--nav-height) + 4rem);min-height:auto}.kc-hub-grid,.kc-feature,.kc-card-grid{grid-template-columns:1fr}.kc-toolbar{grid-template-columns:1fr}.kc-feature-art{min-height:190px}.kc-card{min-height:270px}}


/* Knowledge Center dark visual integration — scoped to new pages only */
html:has(body.kc-page){background:#06070d}
body.kc-page{
  min-height:100vh;
  background:
    radial-gradient(circle at 82% 8%,rgba(124,140,255,.12),transparent 28rem),
    radial-gradient(circle at 8% 55%,rgba(127,240,211,.045),transparent 32rem),
    var(--bg)!important;
  color:var(--ink);
}
body.kc-page main,body.kc-page section,body.kc-page footer{color:var(--ink)}
body.kc-page .kc-article{
  background:linear-gradient(180deg,rgba(9,11,20,.52),rgba(6,7,13,.96));
  border-bottom:1px solid var(--line);
}
body.kc-page .kc-article-header{
  padding-bottom:2.7rem;
  border-bottom:1px solid var(--line);
}
body.kc-page .kc-article-header h1,
body.kc-page .kc-hero h1{color:var(--ink);text-shadow:0 12px 45px rgba(0,0,0,.28)}
body.kc-page .kc-article-summary,
body.kc-page .kc-hero p{color:var(--dim)}
body.kc-page .kc-prose{
  padding:clamp(1.45rem,3vw,2.4rem);
  border:1px solid var(--line);
  border-radius:20px;
  background:linear-gradient(145deg,rgba(16,20,33,.88),rgba(8,10,18,.92));
  box-shadow:0 30px 90px rgba(0,0,0,.18);
}
body.kc-page .kc-prose p{color:#c9d0e5}
body.kc-page .kc-prose p:first-child{font-size:1.1rem;color:#e4e8f5}
body.kc-page .kc-prose h2,body.kc-page .kc-prose h3{color:var(--ink)}
body.kc-page .kc-aside{
  padding:1.25rem 0 1.25rem 1.4rem;
  border-left-color:var(--line-strong);
}
body.kc-page .kc-aside a{padding:.55rem 0;border-bottom:1px solid var(--line);color:var(--dim)}
body.kc-page .kc-aside a:hover{color:var(--mint)}
body.kc-page .section-alt{background:var(--bg-soft)}
body.kc-page .kc-hub,body.kc-page .kc-card{
  background:linear-gradient(145deg,rgba(17,21,34,.96),rgba(10,13,23,.96));
}
body.kc-page .kc-search input{
  width:100%;
  color:var(--ink);
  background:rgba(13,16,27,.92);
  border:1px solid var(--line-strong);
  outline:none;
}
body.kc-page .kc-search input::placeholder{color:var(--muted)}
body.kc-page .kc-search input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(127,240,211,.08)}
body.kc-page .site-footer{background:#05060b}
@media(max-width:1100px){body.kc-page .kc-prose{padding:1.5rem}}

/* Knowledge Center v4 foundation */
.kc-v4-hero,.kc-path-hero{padding:clamp(9rem,14vw,13rem) 0 5rem;position:relative;overflow:hidden}.kc-v4-hero:before,.kc-path-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 15%,rgba(83,230,199,.13),transparent 34%),radial-gradient(circle at 18% 35%,rgba(80,121,255,.12),transparent 30%);pointer-events:none}.kc-v4-hero .container,.kc-path-hero .container{position:relative}.kc-v4-hero h1,.kc-path-hero h1{max-width:980px;font-size:clamp(3.2rem,7vw,6.6rem);line-height:.98;letter-spacing:-.06em;margin:.7rem 0 1.5rem}.kc-v4-hero>div>p,.kc-path-hero>div>p{max-width:780px;font-size:clamp(1.1rem,2vw,1.35rem);line-height:1.65;color:var(--muted,#a7b2c4)}.kc-manifesto{margin-top:4rem;max-width:900px;padding:1.4rem 1.6rem;border-left:2px solid #53e6c7;background:rgba(255,255,255,.035);display:grid;gap:.35rem}.kc-manifesto strong{font-size:1.15rem}.kc-manifesto span{color:#a7b2c4}.kc-v4-section{padding:6rem 0}.kc-path-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem}.kc-path-card{display:grid;grid-template-columns:auto 1fr;gap:1.3rem;padding:2rem;border:1px solid rgba(255,255,255,.1);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));transition:.25s ease;color:inherit;text-decoration:none}.kc-path-card:hover{transform:translateY(-4px);border-color:rgba(83,230,199,.48);box-shadow:0 22px 60px rgba(0,0,0,.25)}.kc-path-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(83,230,199,.11);color:#53e6c7;font:600 .78rem JetBrains Mono}.kc-path-label,.kc-guide-type{font:600 .74rem JetBrains Mono;text-transform:uppercase;letter-spacing:.1em;color:#53e6c7}.kc-path-card h2{font-size:1.65rem;line-height:1.14;margin:.55rem 0 .8rem}.kc-path-card p{color:#a7b2c4;line-height:1.65}.kc-path-topics{font-size:.84rem;color:#7f8da3;margin:1.3rem 0}.kc-path-foot{display:flex;justify-content:space-between;gap:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.08);font-size:.88rem}.kc-path-foot strong{color:#53e6c7}.kc-guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.kc-guide-card{padding:1.5rem;border-radius:18px;border:1px solid rgba(255,255,255,.09);background:rgba(4,12,25,.55);color:inherit;text-decoration:none;min-height:260px;display:flex;flex-direction:column}.kc-guide-card h3{font-size:1.25rem;margin:.8rem 0}.kc-guide-card p{color:#a7b2c4;line-height:1.55}.kc-arrow{margin-top:auto;color:#53e6c7;font-size:1.4rem}.kc-topic-cloud{display:flex;flex-wrap:wrap;gap:.7rem}.kc-topic-cloud a{padding:.8rem 1rem;border:1px solid rgba(255,255,255,.1);border-radius:999px;color:#d9e2ef;text-decoration:none;background:rgba(255,255,255,.025)}.kc-topic-cloud a:hover{border-color:#53e6c7;color:#53e6c7}.kc-learning-map{padding:2rem;border:1px solid rgba(255,255,255,.1);border-radius:22px;overflow:auto;background:rgba(2,8,18,.55)}.kc-map-line{display:flex;align-items:center;gap:.8rem;min-width:max-content}.kc-map-line a{padding:1rem 1.15rem;border-radius:14px;background:rgba(83,230,199,.08);border:1px solid rgba(83,230,199,.2);color:#eaf7f4;text-decoration:none}.kc-map-line span{color:#53e6c7}.kc-back{color:#53e6c7;text-decoration:none}.kc-path-question{font-size:clamp(1.45rem,3vw,2.2rem)!important;color:#fff!important;font-weight:600;max-width:900px!important}.kc-progress{margin-top:2.5rem;max-width:620px}.kc-progress>div{height:8px;border-radius:999px;background:rgba(255,255,255,.09);overflow:hidden}.kc-progress>div span{display:block;height:100%;width:0;background:linear-gradient(90deg,#53e6c7,#68a7ff)}.kc-progress small{display:block;margin-top:.65rem;color:#7f8da3}.kc-path-layout{display:grid;grid-template-columns:220px 1fr;gap:4rem}.kc-path-layout aside{color:#7f8da3;line-height:1.7}.kc-step-list{display:grid;gap:.8rem}.kc-step{display:grid;grid-template-columns:54px 1fr auto;gap:1rem;align-items:center;padding:1.35rem;border:1px solid rgba(255,255,255,.09);border-radius:16px;color:inherit;text-decoration:none;background:rgba(255,255,255,.025)}.kc-step>span{font:600 .8rem JetBrains Mono;color:#53e6c7}.kc-step h3{margin:0 0 .25rem}.kc-step p{margin:0;color:#8996aa}.kc-step>b{color:#53e6c7}.kc-nav-group{display:block!important}@media(max-width:1100px){.kc-guide-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:780px){.kc-path-grid,.kc-guide-grid,.kc-path-layout{grid-template-columns:1fr}.kc-v4-section{padding:4rem 0}.kc-path-card{grid-template-columns:1fr}.kc-path-layout{gap:2rem}.kc-v4-hero h1,.kc-path-hero h1{font-size:clamp(2.7rem,13vw,4.2rem)}}

/* v4.1 guide search on Knowledge Center home */
.kc-guide-search-section{padding-top:1rem}
.kc-search-heading{max-width:760px;margin-bottom:1.8rem}
.kc-search-heading p{color:#a7b2c4;line-height:1.65}
.kc-home-search{margin-bottom:2rem}
.kc-search-large{position:relative;max-width:none}
body.kc-page .kc-search-large input{height:68px;border-radius:18px;padding:0 1.25rem 0 3.35rem;font-size:1.02rem;background:linear-gradient(145deg,rgba(16,20,33,.96),rgba(8,10,18,.96));box-shadow:0 18px 55px rgba(0,0,0,.18)}
.kc-search-icon{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);z-index:1;color:#53e6c7;font-size:1.5rem;pointer-events:none}
.kc-home-tags{margin-top:1rem;display:flex;flex-wrap:wrap;gap:.65rem}
.kc-home-tags .kc-filter{appearance:none;border:1px solid rgba(255,255,255,.11);border-radius:999px;padding:.7rem .95rem;background:rgba(255,255,255,.025);color:#cbd5e4;font:500 .72rem JetBrains Mono;cursor:pointer;transition:.2s ease}
.kc-home-tags .kc-filter:hover,.kc-home-tags .kc-filter.is-active{border-color:#53e6c7;color:#53e6c7;background:rgba(83,230,199,.08)}
.kc-search-results{grid-template-columns:repeat(4,minmax(0,1fr))}
.kc-search-card{min-height:300px}
.kc-search-card[hidden]{display:none!important}
.kc-card-link{display:block;margin-top:auto;padding-top:1rem;color:#53e6c7;font:500 .72rem JetBrains Mono;text-transform:uppercase;letter-spacing:.06em}
.kc-empty{display:none;text-align:center;padding:3rem;border:1px dashed rgba(255,255,255,.13);border-radius:18px;color:#a7b2c4}
.kc-empty.is-visible{display:block}
@media(max-width:1100px){.kc-search-results{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){body.kc-page .kc-search-large input{height:60px;font-size:.92rem}.kc-search-results{grid-template-columns:1fr}.kc-home-tags{gap:.5rem}.kc-home-tags .kc-filter{padding:.62rem .78rem}}


/* Knowledge Center guide system v2 — dark editorial experience */
body.kc-page{--kc-mint:#53e6c7;--kc-blue:#7c8cff;--kc-panel:#0d1320;--kc-panel-2:#101827;--kc-text:#edf4f7;--kc-dim:#aab8c9;--kc-border:rgba(170,198,214,.16)}
.kc-guide{position:relative;padding:calc(var(--nav-height) + 1.4rem) 0 7rem;background:radial-gradient(circle at 70% 5%,rgba(83,230,199,.07),transparent 28rem),linear-gradient(180deg,#050a12 0,#07101b 55%,#050911 100%);color:var(--kc-text)}
.kc-guide-progress{position:fixed;z-index:100;left:0;right:0;top:var(--nav-height);height:2px;background:rgba(255,255,255,.03)}.kc-guide-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--kc-mint),var(--kc-blue));transition:width .08s linear}
.kc-guide-shell{max-width:1500px}.kc-guide-breadcrumbs{display:flex;flex-wrap:wrap;gap:.55rem;margin:0 0 2rem;color:#75859a;font:500 .62rem var(--mono);letter-spacing:.03em}.kc-guide-breadcrumbs a{color:#9cabbc;text-decoration:none}.kc-guide-breadcrumbs a:hover{color:var(--kc-mint)}
.kc-guide-layout{display:grid;grid-template-columns:190px minmax(0,880px) 210px;gap:2rem;justify-content:center;align-items:start}.kc-guide-sticky{position:sticky;top:calc(var(--nav-height) + 2rem)}.kc-side-label{display:block;margin:0 0 1rem;color:#dfe9ee;font:600 .66rem var(--mono);text-transform:uppercase;letter-spacing:.07em}
.kc-guide-toc{padding-right:1.25rem;border-right:1px solid var(--kc-border)}.kc-guide-toc nav{display:grid}.kc-guide-toc nav a{position:relative;padding:.47rem 0;color:#91a0b2;text-decoration:none;font-size:.72rem;line-height:1.45;transition:.2s}.kc-guide-toc nav a:hover,.kc-guide-toc nav a.is-active{color:var(--kc-mint)}.kc-guide-toc nav a.is-active:before{content:"";position:absolute;left:-1.25rem;top:.4rem;bottom:.4rem;width:2px;background:var(--kc-mint);box-shadow:0 0 12px rgba(83,230,199,.65)}
.kc-share-box{margin-top:1.5rem;padding:1rem;border:1px solid var(--kc-border);border-radius:12px;background:rgba(255,255,255,.018)}.kc-share-box strong{font-size:.72rem;text-transform:uppercase}.kc-share-box p{margin:.5rem 0 .8rem;color:#8190a4;font-size:.68rem;line-height:1.45}.kc-share-actions{display:flex;gap:.45rem}.kc-share-actions button{width:34px;height:32px;border:1px solid var(--kc-border);border-radius:7px;background:#0a111c;color:#dbe8ed;cursor:pointer}.kc-share-actions button:hover{border-color:var(--kc-mint);color:var(--kc-mint)}.kc-copy-status{display:block;min-height:1rem;margin-top:.55rem;color:var(--kc-mint);font-size:.62rem}
.kc-guide-content{min-width:0}.kc-guide-hero{padding:1rem 0 2.2rem;border-bottom:1px solid var(--kc-border)}.kc-guide-kicker{color:var(--kc-mint);font:600 .66rem var(--mono);letter-spacing:.11em;text-transform:uppercase}.kc-guide-hero h1{max-width:850px;margin:.85rem 0 1rem;color:#fff;font-size:clamp(3rem,5.2vw,5.3rem);line-height:.98;letter-spacing:-.055em}.kc-guide-lead{max-width:790px;color:#c0ccda;font-size:1.12rem;line-height:1.65}.kc-guide-meta{display:flex;flex-wrap:wrap;gap:2rem;margin-top:1.65rem}.kc-guide-meta>div{display:flex;align-items:center;gap:.65rem}.kc-meta-icon{font-size:1.35rem;color:#dce8ee}.kc-guide-meta small,.kc-guide-meta strong{display:block}.kc-guide-meta small{color:#7e8da0;font-size:.62rem}.kc-guide-meta strong{margin-top:.12rem;font-size:.75rem;color:#f2f6f8}
.kc-minute-card,.kc-advice-card{margin:1rem 0;border:1px solid rgba(83,230,199,.32);border-radius:15px;background:linear-gradient(135deg,rgba(28,93,82,.22),rgba(8,26,29,.72));overflow:hidden}.kc-minute-card{padding:1.25rem 1.35rem}.kc-block-heading{display:flex;align-items:center;gap:.65rem}.kc-block-heading h2{font-size:1.12rem}.kc-block-icon{color:var(--kc-mint);font-size:1.5rem}.kc-minute-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:1rem}.kc-minute-grid>div{padding:0 1rem;border-left:1px solid rgba(255,255,255,.09)}.kc-minute-grid>div:first-child{padding-left:0;border-left:0}.kc-mini-icon{display:block;margin-bottom:.65rem;color:var(--kc-mint);font-size:1.6rem}.kc-minute-grid p{margin:0;color:#d4dfe5;font-size:.73rem;line-height:1.5}
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.kc-check-list{display:grid;gap:.48rem;margin:1rem 0}.kc-check-list li{position:relative;padding-left:1.5rem;color:#c8d3dd;font-size:.87rem}.kc-check-list li:before{content:"✓";position:absolute;left:0;color:var(--kc-mint)}.kc-architecture{padding:.5rem;border-radius:15px}.kc-architecture svg{display:block;width:100%;height:auto}
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.kc-building-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem;margin:1.1rem 0}.kc-building-grid article{padding:1rem;border-radius:12px}.kc-building-grid article>span{color:var(--kc-mint);font:600 .66rem var(--mono)}.kc-building-grid h3{margin:.55rem 0 .35rem;font-size:.88rem}.kc-building-grid p{font-size:.7rem;line-height:1.5}.kc-inline-note{padding:1rem 1.1rem;border-radius:12px;color:#b9c8d3;font-size:.82rem;line-height:1.65}.kc-inline-note strong{color:#fff}
.kc-question{margin:1.1rem 0;padding:1rem 1.2rem;border-left:3px solid var(--kc-mint);border-radius:10px;color:#e9f6f3;font-size:1rem;font-style:italic}.kc-flow{display:flex;align-items:center;gap:.55rem;margin:1.2rem 0;padding:1rem;border:1px solid var(--kc-border);border-radius:13px;background:rgba(255,255,255,.015)}.kc-flow>div{flex:1;text-align:center}.kc-flow>div span{display:block;color:var(--kc-mint);font-size:1.35rem}.kc-flow strong,.kc-flow small{display:block}.kc-flow strong{margin-top:.4rem;font-size:.72rem}.kc-flow small{margin-top:.2rem;color:#8191a4;font-size:.58rem}.kc-flow>i{color:var(--kc-mint);font-style:normal}
.kc-mistake-list{display:grid;gap:.7rem}.kc-mistake-list article{display:grid;grid-template-columns:42px 1fr;gap:1rem;padding:1rem;border-radius:12px}.kc-mistake-list article>span{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:rgba(124,140,255,.12);color:#9faaff;font:600 .65rem var(--mono)}.kc-mistake-list h3{margin:0 0 .25rem;font-size:.92rem}.kc-mistake-list p{font-size:.76rem;line-height:1.58}
.kc-decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.kc-decision-grid>div{padding:1.25rem;border-radius:14px}.kc-do-list,.kc-dont-list{display:grid;gap:.55rem}.kc-do-list li,.kc-dont-list li{position:relative;padding-left:1.45rem;color:#c7d2dc;font-size:.8rem}.kc-do-list li:before,.kc-dont-list li:before{position:absolute;left:0}.kc-do-list li:before{content:"✓";color:var(--kc-mint)}.kc-dont-list li:before{content:"×";color:#ff8b9b}.kc-decision-grid p{margin-top:1rem;font-size:.76rem}
.kc-question-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.65rem;margin:1.1rem 0}.kc-question-grid>div{padding:1rem;border-radius:11px;color:#dce5ea;font-size:.78rem;line-height:1.5}.kc-question-grid>div:before{content:"?";display:inline-grid;place-items:center;width:22px;height:22px;margin-right:.55rem;border-radius:50%;background:rgba(83,230,199,.1);color:var(--kc-mint);font:600 .65rem var(--mono)}
.kc-section-heading{display:flex;justify-content:space-between;align-items:end;gap:1rem}.kc-section-heading a{color:var(--kc-mint);font-size:.72rem;text-decoration:none}.kc-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1rem}.kc-related-grid a{display:flex;flex-direction:column;min-height:190px;padding:1rem;border-radius:13px;text-decoration:none;transition:.2s}.kc-related-grid a:hover{transform:translateY(-3px);border-color:rgba(83,230,199,.38)}.kc-related-grid small{color:var(--kc-mint);font:600 .58rem var(--mono);text-transform:uppercase}.kc-related-grid strong{margin:.65rem 0;color:#fff;font-size:.92rem}.kc-related-grid span{color:#91a0b3;font-size:.7rem;line-height:1.5}.kc-related-grid i{margin-top:auto;color:var(--kc-mint);font-style:normal;font-size:1.2rem}
.kc-final-thought{border-bottom:0}.kc-final-thought>h2{max-width:750px;margin-top:.6rem;font-size:clamp(2rem,4vw,3.35rem)}.kc-final-question{margin-top:1.4rem;padding:1.4rem;border-radius:15px;border-color:rgba(83,230,199,.35)}.kc-final-question small{display:block;color:var(--kc-mint);font:600 .62rem var(--mono);text-transform:uppercase;letter-spacing:.08em}.kc-final-question strong{display:block;margin:.7rem 0;color:#fff;font-size:1.15rem;line-height:1.5}.kc-final-question p{font-size:.8rem}
.kc-author-card{display:grid;grid-template-columns:54px 1fr 210px;gap:1rem;align-items:center;margin-top:1rem;padding:1.2rem;border-radius:14px}.kc-author-mark{width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(83,230,199,.35);clip-path:polygon(25% 7%,75% 7%,100% 50%,75% 93%,25% 93%,0 50%);background:rgba(83,230,199,.08);color:var(--kc-mint);font:700 1.35rem var(--display)}.kc-author-card strong{color:#fff;font-size:.85rem}.kc-author-card p{margin:.35rem 0 0;color:#8d9caf;font-size:.66rem;line-height:1.52}.kc-author-review{padding-left:1rem;border-left:1px solid var(--kc-border)}.kc-author-review small{display:block;color:#8291a4;font-size:.6rem}
.kc-guide-info{padding-left:1.25rem;border-left:1px solid var(--kc-border)}.kc-guide-info section{padding:1rem 0;border-bottom:1px solid var(--kc-border)}.kc-guide-info section:first-child{padding-top:0}.kc-guide-info p{color:#9eadbe;font-size:.72rem;line-height:1.6}.kc-guide-info strong{color:#eef4f6;font-size:.76rem}.kc-level{display:flex;gap:4px;margin-top:.7rem}.kc-level i{width:28px;height:7px;border:1px solid #344256;border-radius:2px}.kc-level i:first-child{border-color:var(--kc-mint);background:linear-gradient(90deg,var(--kc-mint),#84f2dc)}.kc-tag-list{display:flex;flex-wrap:wrap;gap:.35rem}.kc-tag-list a{padding:.35rem .48rem;border:1px solid #334155;border-radius:6px;color:#b8c4d0;text-decoration:none;font-size:.62rem}.kc-tag-list a:hover{border-color:var(--kc-mint);color:var(--kc-mint)}.kc-deepen-card{display:block;margin:1rem 0;padding:1rem;border:1px solid var(--kc-border);border-radius:12px;background:linear-gradient(145deg,rgba(16,24,39,.9),rgba(7,13,23,.9));text-decoration:none}.kc-book-icon{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 1rem;border-radius:50%;background:rgba(83,230,199,.1);color:var(--kc-mint);font-size:1.8rem}.kc-deepen-card strong{display:block;color:#fff;font-size:.8rem}.kc-deepen-card p{margin:.5rem 0 .85rem}.kc-deepen-card b{display:block;padding:.7rem;border-radius:7px;background:linear-gradient(90deg,#72e7c9,#65d7bd);color:#07110f;text-align:center;font-size:.68rem}.kc-feedback div{display:flex;gap:.7rem}.kc-feedback button{width:42px;height:38px;border:1px solid var(--kc-border);border-radius:8px;background:#0a111c;color:#c7d3dc;font-size:1.2rem;cursor:pointer}.kc-feedback button:hover,.kc-feedback button.is-selected{border-color:var(--kc-mint);color:var(--kc-mint)}.kc-feedback small{display:block;min-height:1rem;margin-top:.55rem;color:var(--kc-mint);font-size:.6rem}
@media(max-width:1250px){.kc-guide-layout{grid-template-columns:180px minmax(0,860px)}.kc-guide-info{display:none}}
@media(max-width:920px){.kc-guide-layout{grid-template-columns:1fr}.kc-guide-toc{display:none}.kc-guide-content{max-width:820px;margin:0 auto}.kc-minute-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.kc-minute-grid>div{padding:0;border-left:0}.kc-building-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.kc-guide{padding-top:calc(var(--nav-height) + 1rem)}.kc-guide-breadcrumbs{display:none}.kc-guide-hero h1{font-size:clamp(2.6rem,14vw,4rem)}.kc-guide-meta{gap:1rem}.kc-minute-grid,.kc-split,.kc-library-comparison,.kc-decision-grid,.kc-question-grid,.kc-related-grid,.kc-author-card{grid-template-columns:1fr}.kc-advice-card{grid-template-columns:1fr}.kc-building-grid{grid-template-columns:1fr}.kc-flow{display:grid;grid-template-columns:1fr}.kc-flow>i{transform:rotate(90deg)}.kc-author-review{padding:1rem 0 0;border-left:0;border-top:1px solid var(--kc-border)}.kc-section-heading{align-items:start;flex-direction:column}}

/* Delivery 1.5: reusable guide system */
.kc-guide-hero h1{max-width:980px}.kc-path-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}.kc-path-nav a{display:flex;flex-direction:column;gap:7px;padding:20px;border:1px solid rgba(143,164,184,.22);border-radius:16px;background:rgba(15,24,38,.72);text-decoration:none}.kc-path-nav a:last-child{text-align:right}.kc-path-nav small{color:#6ee7ca}.kc-path-nav strong{color:#f4f8fb}.kc-example-card{padding:32px;border:1px solid rgba(83,230,199,.24);border-radius:22px;background:linear-gradient(135deg,rgba(83,230,199,.08),rgba(124,140,255,.05))}.kc-question-grid>div>span{display:block;color:#53e6c7;font-family:JetBrains Mono,monospace;font-size:.72rem;margin-bottom:8px}@media(max-width:760px){.kc-path-nav{grid-template-columns:1fr}.kc-path-nav a:last-child{text-align:left}}

/* Knowledge Center 1.5 clean: stable icon + copy alignment */
.kc-path-card{grid-template-columns:52px minmax(0,1fr)!important;align-items:start!important}
.kc-path-card .kc-path-icon{grid-column:1;grid-row:1;flex:0 0 52px}
.kc-path-card .kc-path-copy{grid-column:2;grid-row:1;min-width:0}
.kc-mega-grid .mega-item{display:grid!important;grid-template-columns:38px minmax(0,1fr)!important;align-items:start!important;column-gap:12px!important}
.kc-mega-grid .mega-item>img{grid-column:1;grid-row:1;width:38px;height:38px;margin:0!important}
.kc-mega-grid .mega-item>span{grid-column:2;grid-row:1;display:block!important;min-width:0}
.kc-mega-grid .mega-item>span>strong,.kc-mega-grid .mega-item>span>span{display:block!important}
@media(max-width:780px){.kc-path-card{grid-template-columns:52px minmax(0,1fr)!important;gap:1rem!important}}
@media(max-width:420px){.kc-path-card{grid-template-columns:44px minmax(0,1fr)!important;padding:1.25rem!important}.kc-path-icon{width:44px!important;height:44px!important}}


/* Technical review 1.5.7: question cards alignment */
.kc-question-grid>div{
  display:grid;
  grid-template-columns:28px minmax(0,1fr);
  column-gap:.75rem;
  align-items:start;
}
.kc-question-grid>div:before{
  grid-column:1;
  grid-row:1;
  margin:0;
}
.kc-question-body{
  grid-column:2;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:.45rem;
}
.kc-question-body>span{
  display:block;
  margin:0!important;
  color:var(--kc-mint);
  font-family:JetBrains Mono,monospace;
  font-size:.72rem;
  line-height:22px;
}
.kc-question-body>strong{display:block;line-height:1.5}
.skip-link{position:fixed;left:1rem;top:-5rem;z-index:10000;padding:.75rem 1rem;border-radius:.5rem;background:#fff;color:#06101b;text-decoration:none;font-weight:700;transition:top .15s ease}
.skip-link:focus{top:1rem}
:focus-visible{outline:2px solid var(--kc-mint,#53e6c7);outline-offset:3px}