/*
Theme Name: chern0bit
Theme URI: https://chern0bit.io
Author: chern0bit
Description: A dark, terminal-inspired theme for a security researcher's blog. Black + phosphor-green, built for long, code-heavy writeups with sticky table of contents, reading progress, and crafted code blocks.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: chern0bit
Tags: dark, blog, one-column, custom-menu, featured-images, threaded-comments
*/

/* =========================================================================
   Tokens
   ========================================================================= */
:root{
  --bg:#070b0a;
  --bg-2:#090f0d;
  --surface:#0d1412;
  --surface-2:#101a16;
  --surface-3:#132019;
  --border:#1b2a24;
  --border-lit:#2b5a45;
  --fg:#e4ece8;
  --fg-dim:#93a79e;
  --fg-faint:#5a6c64;
  --acc:#38e08b;
  --acc-bright:#74f5b4;
  --acc-deep:#0e5c3c;
  --acc-wash:rgba(56,224,139,.08);
  --amber:#f5c451;
  --red:#ff6b6b;

  --font-display:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --font-body:'IBM Plex Sans',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;

  --wrap:78rem;
  --read:50rem;
  --radius:10px;
  --radius-sm:6px;
  --header-h:60px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* =========================================================================
   Reset / base
   ========================================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  font-feature-settings:"kern","liga","calt";
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* faint dotted grid + top radial glow, restrained */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 480px at 50% -10%, rgba(56,224,139,.10), transparent 70%),
    radial-gradient(700px 400px at 100% 0%, rgba(56,224,139,.04), transparent 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:22px 22px;
  mask-image:linear-gradient(to bottom, black, transparent 90%);
  -webkit-mask-image:linear-gradient(to bottom, black, transparent 90%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--acc);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--acc-bright)}
::selection{background:rgba(56,224,139,.28);color:#eafff4}
hr{border:0;height:1px;background:var(--border);margin:2.5rem 0}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:3px}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;color:#f3faf6;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.2rem}

/* =========================================================================
   Layout helpers
   ========================================================================= */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.mono{font-family:var(--font-mono)}
.dim{color:var(--fg-dim)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--acc);color:#04120b;padding:.6rem 1rem;z-index:200;border-radius:0 0 var(--radius-sm) 0;font-family:var(--font-mono);font-size:.85rem}
.skip-link:focus{left:0}

/* =========================================================================
   Header
   ========================================================================= */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(7,11,10,.72);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.site-header .wrap{display:flex;align-items:center;justify-content:flex-start;gap:2rem;width:100%}
.brand{font-family:var(--font-display);font-weight:600;font-size:1.18rem;letter-spacing:-.01em;color:var(--fg);white-space:nowrap;display:inline-flex;align-items:center}
.brand:hover{color:var(--fg)}
.brand .z{color:var(--acc)}
.brand img{max-height:36px;width:auto}

.nav{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}
.nav li{list-style:none;margin:0;padding:0;display:flex;align-items:center}
.nav a{
  font-family:var(--font-body);font-size:.95rem;font-weight:500;color:var(--fg-dim);
  padding:.45rem .1rem;margin:0 .85rem;position:relative;transition:color .18s var(--ease);
}
.nav li:first-child a{margin-left:0}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-.05rem;height:2px;border-radius:2px;
  background:var(--acc);transition:right .24s var(--ease);
}
.nav a:hover{color:var(--fg)}
.nav a:hover::after{right:0}
.nav a.active,.nav .current-menu-item>a,.nav .current_page_item>a,.nav .current-menu-parent>a{color:var(--acc)}
.nav a.active::after,.nav .current-menu-item>a::after,.nav .current_page_item>a::after,.nav .current-menu-parent>a::after{right:0}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;color:var(--fg);padding:.35rem;cursor:pointer;line-height:0;border-radius:var(--radius-sm)}
.nav-toggle:hover{color:var(--acc)}

/* reading progress */
.progress{position:fixed;top:var(--header-h);left:0;height:2px;width:0;background:linear-gradient(90deg,var(--acc-deep),var(--acc));z-index:99;box-shadow:0 0 8px rgba(56,224,139,.6)}

/* =========================================================================
   Terminal hero (home)
   ========================================================================= */
.hero{padding:clamp(3rem,6.5vw,5rem) 0 clamp(2.25rem,4vw,3.25rem)}
/* copy fills its own track so the portrait meets it: no dead gutter between them */
.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(1.75rem,3.5vw,3rem);align-items:center}
.hero-copy{min-width:0}
.hero-title{font-size:clamp(2.2rem,5.4vw,4.4rem);line-height:1.03;letter-spacing:-.035em;margin:0 0 1.35rem}
.hero .lede{font-size:1.12rem;line-height:1.6;color:var(--fg-dim);max-width:64ch;margin:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.9rem}
.hero-portrait{justify-self:end;width:clamp(200px,26vw,360px)}
.hero-portrait img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:50%;border:1px solid var(--border-lit);box-shadow:0 0 0 6px rgba(56,224,139,.06),0 22px 60px -30px rgba(0,0,0,.85)}

.btn{font-family:var(--font-mono);font-size:.86rem;padding:.7rem 1.15rem;border-radius:var(--radius-sm);border:1px solid var(--border-lit);color:var(--fg);background:var(--surface);transition:all .16s var(--ease);cursor:pointer;display:inline-flex;align-items:center;gap:.5rem}
.btn:hover{border-color:var(--acc);color:var(--acc);translate:0 -1px}
.btn-primary{background:var(--acc);color:#04120b;border-color:var(--acc);font-weight:600}
.btn-primary:hover{background:var(--acc-bright);color:#04120b;box-shadow:0 8px 30px -8px rgba(56,224,139,.5)}

/* =========================================================================
   Section headings (home / archives)
   ========================================================================= */
.section{padding:clamp(2.5rem,5vw,4rem) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}
.section-head h2{margin:0;display:flex;align-items:center;gap:.6rem}
.section-head h2 .hash{color:var(--acc);font-family:var(--font-mono);font-weight:400;font-size:.9em}
.section-head .more{font-family:var(--font-mono);font-size:.8rem;color:var(--fg-dim);white-space:nowrap}
.section-head .more:hover{color:var(--acc)}
.section-sub{color:var(--fg-dim);margin:-1rem 0 2rem;max-width:60ch}

/* =========================================================================
   Post list (editorial rows, not identical cards)
   ========================================================================= */
.post-list{display:flex;flex-direction:column}
.post-row{display:grid;grid-template-columns:9rem 1fr;gap:1.6rem;padding:1.7rem 0;border-top:1px solid var(--border);transition:padding-left .2s var(--ease)}
.post-row:first-child{border-top:0}
.post-row:hover{padding-left:.6rem}
.post-row .meta-col{font-family:var(--font-mono);font-size:.76rem;color:var(--fg-faint);padding-top:.35rem;line-height:1.9}
.post-row .meta-col .cat{color:var(--acc)}
.post-row h3{margin:0 0 .5rem;font-size:1.4rem;line-height:1.25}
.post-row h3 a{color:#f3faf6}
.post-row h3 a:hover{color:var(--acc)}
.post-row .excerpt{color:var(--fg-dim);font-size:.98rem;margin:0 0 .8rem;max-width:64ch}
.post-row .tags{display:flex;flex-wrap:wrap;gap:.45rem}
.tag-chip{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-dim);border:1px solid var(--border);padding:.15rem .55rem;border-radius:100px;transition:.15s}
.tag-chip:hover{border-color:var(--acc-deep);color:var(--acc)}

/* tips grid */
.tips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.tip{border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.3rem;background:linear-gradient(180deg,var(--surface),transparent);transition:.18s var(--ease)}
.tip:hover{border-color:var(--border-lit);translate:0 -2px}
.tip .k{font-family:var(--font-mono);font-size:.72rem;color:var(--acc);margin-bottom:.5rem}
.tip h3{font-size:1.05rem;margin:0 0 .4rem}
.tip h3 a{color:#eef6f2}
.tip p{font-size:.9rem;color:var(--fg-dim);margin:0}

/* =========================================================================
   About teaser (home)
   ========================================================================= */
.about-card{display:grid;grid-template-columns:auto 1fr;gap:1.8rem;align-items:center;border:1px solid var(--border);border-radius:var(--radius);padding:clamp(1.4rem,3vw,2.2rem);background:radial-gradient(600px 200px at 0% 0%,var(--acc-wash),transparent 60%),var(--surface)}
.about-card .pfp{width:104px;height:104px;border-radius:14px;border:1px solid var(--border-lit);box-shadow:0 0 0 4px rgba(56,224,139,.06)}
.about-card h2{margin:0 0 .5rem}
.about-card p{color:var(--fg-dim);margin:0 0 1rem;max-width:60ch}

/* =========================================================================
   Single post
   ========================================================================= */
.post-header{padding:clamp(2rem,4vw,3.2rem) 0 1.5rem}
.post-header .kicker{font-family:var(--font-mono);font-size:.78rem;color:var(--acc);margin-bottom:1rem;display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.post-header .kicker .sep{color:var(--fg-faint)}
.post-header h1{margin:.2rem 0 1rem;max-width:38ch}
.post-header .dek{font-size:1.2rem;color:var(--fg-dim);max-width:70ch;line-height:1.55}
.post-header .byline{display:flex;align-items:center;gap:.7rem;margin-top:1.6rem;font-family:var(--font-mono);font-size:.8rem;color:var(--fg-dim)}
.post-header .byline img{width:34px;height:34px;border-radius:8px;border:1px solid var(--border-lit)}
.post-header .byline .rt{color:var(--fg-faint)}

.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 16rem;gap:3rem;align-items:start;padding-bottom:4rem}
.article{grid-column:1;min-width:0}
.toc-wrap{grid-column:2;position:sticky;top:calc(var(--header-h) + 1.5rem);max-height:calc(100vh - var(--header-h) - 3rem);overflow:auto;padding-right:2px}

/* TOC: a clean progress rail with a glowing active node */
.toc .toc-title{font-family:var(--font-display);font-weight:600;font-size:.8rem;color:var(--fg-dim);margin:0 0 1.1rem;display:flex;align-items:center;gap:.55rem}
.toc .toc-title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--acc);box-shadow:0 0 8px rgba(56,224,139,.55)}
.toc ol{list-style:none;margin:0;padding:0;position:relative;border-left:1px solid var(--border);max-height:calc(100vh - var(--header-h) - 8rem);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.toc ol::-webkit-scrollbar{width:7px}
.toc ol::-webkit-scrollbar-thumb{background:var(--border-lit);border-radius:8px}
.toc ol::-webkit-scrollbar-track{background:transparent}
.toc li{margin:0;position:relative}
.toc a{display:block;position:relative;font-size:.875rem;line-height:1.4;color:var(--fg-dim);padding:.42rem 0 .42rem 1.15rem;margin-left:-1px;border-left:2px solid transparent;transition:color .15s var(--ease),border-color .15s var(--ease)}
.toc a:hover{color:var(--fg)}
.toc li.lvl-3 a{padding-left:2rem;font-size:.82rem;color:var(--fg-faint)}
.toc li.lvl-3 a:hover{color:var(--fg-dim)}
.toc a.active{color:var(--acc);border-left-color:var(--acc);font-weight:600}
.toc a.active::before{content:"";position:absolute;left:-5px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 3px var(--bg),0 0 10px var(--acc)}

/* article typography */
.article{font-size:1.06rem}
.article h2{margin:2.6rem 0 1rem;scroll-margin-top:calc(var(--header-h) + 20px);position:relative}
.article h3{margin:2rem 0 .8rem;scroll-margin-top:calc(var(--header-h) + 20px);color:#e9f3ee}
.article h2 .anchor,.article h3 .anchor{opacity:0;font-family:var(--font-mono);color:var(--acc);text-decoration:none;margin-left:.4rem;font-weight:400;font-size:.7em}
.article h2:hover .anchor,.article h3:hover .anchor{opacity:.7}
.article p{margin:0 0 1.3rem}
.article ul,.article ol{margin:0 0 1.4rem;padding-left:1.4rem}
.article li{margin:.4rem 0;padding-left:.3rem}
.article ul li::marker{color:var(--acc)}
.article ol li::marker{color:var(--acc);font-family:var(--font-mono);font-size:.9em}
.article a{text-decoration:underline;text-decoration-color:var(--acc-deep);text-underline-offset:3px}
.article a:hover{text-decoration-color:var(--acc)}
.article strong{color:#f4faf7;font-weight:600}
.article blockquote{margin:1.6rem 0;padding:.4rem 0 .4rem 1.3rem;border-left:2px solid var(--acc-deep);color:var(--fg-dim);font-style:normal}
.article img{border-radius:var(--radius);border:1px solid var(--border);margin:1.6rem 0}

/* tables */
.article .table-wrap{overflow-x:auto;margin:1.7rem 0;border:1px solid var(--border);border-radius:var(--radius)}
.article table{width:100%;border-collapse:collapse;font-size:.92rem}
.article th,.article td{padding:.62rem .9rem;text-align:left;vertical-align:top}
.article thead th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--acc);background:var(--surface-2);border-bottom:1px solid var(--border-lit);white-space:nowrap}
.article tbody td{border-top:1px solid var(--border);color:var(--fg-dim)}
.article tbody tr:hover td{background:var(--acc-wash)}
.article tbody td:first-child{color:var(--fg);font-weight:500}

/* mermaid diagrams */
.article .mermaid{margin:1.8rem 0;padding:1.4rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;overflow-x:auto}
.article .mermaid svg{max-width:100%;height:auto;display:inline-block}
.article .mermaid:not([data-processed]){font-family:var(--font-mono);font-size:.78rem;line-height:1.5;color:var(--fg-faint);white-space:pre;text-align:left}
.article .mermaid .messageText,.article .mermaid .loopText,.article .mermaid .noteText{font-size:12px}
.article .mermaid .actor{font-weight:600}

/* inline code */
.article :not(pre)>code{
  font-family:var(--font-mono);font-size:.86em;
  background:var(--surface-2);color:var(--acc-bright);
  border:1px solid var(--border);border-radius:5px;padding:.12em .4em;
  word-break:break-word;
}

/* =========================================================================
   Code blocks (the invested piece)
   ========================================================================= */
.codeblock{margin:1.7rem 0;border:1px solid var(--border);border-radius:var(--radius);background:#0a100e;overflow:hidden;box-shadow:0 14px 40px -24px rgba(0,0,0,.9)}
.codeblock-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .5rem .5rem .9rem;background:var(--surface-2);border-bottom:1px solid var(--border)}
.codeblock-head .lang{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-dim);text-transform:none;display:flex;align-items:center;gap:.5rem}
.codeblock-head .lang::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--acc);opacity:.7}
.copy-btn{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-dim);background:transparent;border:1px solid var(--border);border-radius:5px;padding:.28rem .6rem;cursor:pointer;transition:.15s;display:flex;align-items:center;gap:.4rem}
.copy-btn:hover{color:var(--acc);border-color:var(--acc-deep)}
.copy-btn.copied{color:var(--acc);border-color:var(--acc)}
.codeblock pre{margin:0;padding:1.1rem 1.2rem;overflow-x:auto;font-family:var(--font-mono);font-size:.83rem;line-height:1.7;background:transparent}
.codeblock pre code{font-family:inherit;background:none;border:0;padding:0;color:#cfe4d9}
/* scrollbar */
.codeblock pre::-webkit-scrollbar,.toc-wrap::-webkit-scrollbar{height:9px;width:9px}
.codeblock pre::-webkit-scrollbar-thumb,.toc-wrap::-webkit-scrollbar-thumb{background:var(--border-lit);border-radius:10px}
.codeblock pre::-webkit-scrollbar-track{background:transparent}

/* line numbers */
.codeblock pre.has-ln{display:flex;align-items:stretch;padding-left:0}
.code-gutter{flex:0 0 auto;white-space:pre;text-align:right;min-width:2.6rem;padding:0 .9rem;margin-right:1rem;border-right:1px solid var(--border);color:var(--fg-faint);user-select:none;position:sticky;left:0;z-index:2;background:#0a100e;font-variant-numeric:tabular-nums}
.codeblock pre.has-ln>code{flex:0 0 auto;display:block;white-space:pre}
/* collapse long code */
.codeblock.has-collapse.is-collapsed pre{max-height:600px;overflow-y:hidden}
.code-expand{position:relative}
.codeblock.is-collapsed .code-expand::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:120px;pointer-events:none;background:linear-gradient(to top,#0a100e 14%,rgba(10,16,14,0))}
.expand-btn{display:flex;align-items:center;justify-content:center;gap:.55rem;width:100%;padding:.72rem;background:var(--surface-2);border:0;border-top:1px solid var(--border);color:var(--acc);font-family:var(--font-mono);font-size:.76rem;cursor:pointer;transition:background .15s}
.expand-btn:hover{background:var(--surface-3)}
.expand-btn::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;rotate:45deg;translate:0 -2px;transition:rotate .2s}
.codeblock:not(.is-collapsed) .expand-btn::after{rotate:-135deg;translate:0 2px}

/* highlight.js token palette (custom, phosphor) */
.hljs-comment,.hljs-quote{color:#5f7268;font-style:italic}
.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-doctag{color:#5ad1ff}
.hljs-string,.hljs-attr,.hljs-regexp,.hljs-addition{color:var(--acc)}
.hljs-number,.hljs-symbol,.hljs-bullet{color:#f5c451}
.hljs-title,.hljs-title.function_,.hljs-name,.hljs-section{color:var(--acc-bright)}
.hljs-type,.hljs-class .hljs-title,.hljs-title.class_{color:#7fd0a8}
.hljs-built_in,.hljs-builtin-name{color:#c8a6ff}
.hljs-variable,.hljs-template-variable,.hljs-params{color:#e4ece8}
.hljs-meta{color:#7f8f88}
.hljs-tag{color:#8aa79b}
.hljs-deletion{color:var(--red)}
.hljs-emphasis{font-style:italic}
.hljs-strong{font-weight:700}

/* callout (auto for blockquotes starting with note/warn kept simple) */
.callout{margin:1.6rem 0;border:1px solid var(--border-lit);border-left:3px solid var(--amber);border-radius:var(--radius);padding:1rem 1.2rem;background:rgba(245,196,81,.05);color:var(--fg-dim)}
.callout .k{font-family:var(--font-mono);font-size:.74rem;color:var(--amber);margin-bottom:.3rem}

/* footer of post */
.post-foot{border-top:1px solid var(--border);margin-top:3rem;padding-top:1.8rem}
.post-foot .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem}
.post-nav a{border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.2rem;transition:.16s;color:var(--fg)}
.post-nav a:hover{border-color:var(--acc-deep)}
.post-nav .lab{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-faint);display:block;margin-bottom:.35rem}
.post-nav .t{color:#eef6f2;font-family:var(--font-display);font-size:.98rem}
.post-nav .next{text-align:right}

/* =========================================================================
   Pages / prose
   ========================================================================= */
.page-hero{padding:clamp(2.5rem,5vw,4rem) 0 1rem}
.page-hero h1{max-width:22ch}
.prose{max-width:var(--read);margin-inline:auto;font-size:1.06rem;padding-bottom:4rem}
.prose h2{margin:2.4rem 0 1rem}
.prose h3{margin:1.8rem 0 .7rem}
.prose ul li::marker{color:var(--acc)}

/* about page specifics */
.about-shell{max-width:52rem;margin-inline:auto;padding-top:clamp(2rem,5vw,3.5rem)}
.about-hero{display:grid;grid-template-columns:auto 1fr;gap:2rem;align-items:center;margin-bottom:2rem}
.about-hero .pfp{width:140px;height:140px;border-radius:18px;border:1px solid var(--border-lit);box-shadow:0 0 0 5px rgba(56,224,139,.06),0 24px 60px -24px rgba(0,0,0,.85)}
.about-hero h1{margin:0 0 .5rem;font-size:clamp(2rem,4vw,2.7rem)}
.about-hero .role{color:var(--fg-dim);font-size:1.02rem;margin:0 0 1rem;max-width:48ch}
.about-hero .socials{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.4rem}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin:2.2rem 0 2.8rem}
.stat{background:var(--surface);padding:1.2rem 1.3rem}
.stat .n{font-family:var(--font-display);font-size:1.5rem;line-height:1.15;color:var(--acc);font-weight:600}
.stat .l{font-size:.82rem;color:var(--fg-dim);margin-top:.35rem;line-height:1.4}
.about-prose{max-width:none}
.about-prose h2{font-size:1.5rem;margin:2.4rem 0 .9rem}
.about-prose p{margin:0 0 1.2rem}
.about-prose .about-kicker{font-family:var(--font-display);font-size:1.25rem;font-weight:600;color:var(--fg);border-top:1px solid var(--border);padding-top:1.6rem;margin-top:2rem;max-width:none}
.about-prose .cert-note{color:var(--fg-faint);font-size:.9rem;margin:.1rem 0 .7rem}
.about-prose .cert-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.3rem}
.about-prose .cert-tags span{font-family:var(--font-mono);font-size:.78rem;color:var(--fg-dim);border:1px solid var(--border);border-radius:6px;padding:.32rem .65rem;background:var(--surface)}
.about-prose .cert-tags span.more{color:var(--fg-faint);border-style:dashed;background:transparent}

/* =========================================================================
   Category filter bar (Blog hub + archives)
   ========================================================================= */
.cat-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 2rem}
.cat-pill{font-family:var(--font-mono);font-size:.8rem;color:var(--fg-dim);border:1px solid var(--border);background:var(--surface);padding:.4rem .9rem;border-radius:100px;transition:.15s var(--ease)}
.cat-pill:hover{border-color:var(--border-lit);color:var(--fg)}
.cat-pill.active{background:var(--acc);color:#04120b;border-color:var(--acc);font-weight:600}
.post-row .meta-col a.cat{color:var(--acc)}
.post-row .meta-col a.cat:hover{color:var(--acc-bright)}

/* =========================================================================
   Tips wiki (HackTricks-style two-pane)
   ========================================================================= */
.wiki{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:3rem;align-items:start;padding:clamp(1.5rem,4vw,2.5rem) 0 4rem}
.wiki-side{position:sticky;top:calc(var(--header-h) + 1.5rem);max-height:calc(100vh - var(--header-h) - 3rem);overflow:auto}
.wiki-nav-title{display:block;font-family:var(--font-display);font-weight:600;font-size:1rem;color:var(--fg);margin-bottom:1rem;padding-bottom:.8rem;border-bottom:1px solid var(--border)}
.wiki-nav-title:hover{color:var(--acc)}
.wiki-nav ul{list-style:none;margin:0;padding:0}
.wiki-nav li{margin:.05rem 0}
.wiki-nav a{display:flex;align-items:center;justify-content:space-between;gap:.6rem;font-size:.88rem;color:var(--fg-dim);padding:.45rem .6rem;border-radius:7px;border-left:2px solid transparent;transition:color .15s,background .15s,border-color .15s}
.wiki-nav a:hover{color:var(--fg);background:var(--surface-2)}
.wiki-nav a.active{color:var(--acc);background:var(--acc-wash);border-left-color:var(--acc);font-weight:500}
.wiki-nav .c{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-faint);background:var(--surface-2);border:1px solid var(--border);border-radius:100px;padding:.02rem .45rem;min-width:1.7rem;text-align:center}
.wiki-nav a.active .c{color:var(--acc);border-color:var(--acc-deep)}

.wiki-main{min-width:0}
.wiki-head{border-bottom:1px solid var(--border);padding-bottom:1.2rem;margin-bottom:1.6rem}
.wiki-head h1{font-size:clamp(1.8rem,4vw,2.5rem);margin:.3rem 0 0}
.crumb{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;font-family:var(--font-mono);font-size:.78rem;color:var(--fg-faint);margin-bottom:.5rem}
.crumb a{color:var(--fg-dim)}
.crumb a:hover{color:var(--acc)}
.crumb .here{color:var(--acc)}
.wiki-lede{color:var(--fg-dim);margin:.9rem 0 0;max-width:64ch}
.tips-search{display:flex;gap:.5rem;margin:1.2rem 0 0;max-width:34rem}
.tips-search-input{flex:1;min-width:0;font-family:var(--font-mono);font-size:.86rem;color:var(--fg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.6rem .8rem;transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.tips-search-input::placeholder{color:var(--fg-faint)}
.tips-search-input:focus{outline:none;border-color:var(--border-lit);box-shadow:0 0 0 3px var(--acc-wash)}
.tips-search-btn{font-family:var(--font-mono);font-size:.82rem;padding:.6rem 1.05rem;border-radius:var(--radius-sm);border:1px solid var(--border-lit);color:var(--acc);background:var(--surface);cursor:pointer;transition:background .16s var(--ease),color .16s var(--ease)}
.tips-search-btn:hover{background:var(--acc-wash);color:var(--acc-bright)}
.wiki-sub{font-size:1.2rem;margin:2.2rem 0 .5rem}
.wiki-postmeta{font-family:var(--font-mono);font-size:.8rem;color:var(--fg-faint);margin-top:.7rem}

.wiki-dir{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:.9rem;margin-bottom:.5rem}
.wiki-card{display:flex;flex-direction:column;gap:.45rem;border:1px solid var(--border);border-radius:10px;padding:1rem 1.1rem;background:linear-gradient(180deg,var(--surface),transparent);transition:border-color .16s var(--ease),translate .16s var(--ease)}
.wiki-card:hover{border-color:var(--border-lit);translate:0 -2px}
.wiki-card-top{display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.wiki-card-name{font-family:var(--font-display);font-weight:600;font-size:1rem;color:#eef6f2}
.wiki-card:hover .wiki-card-name{color:var(--acc)}
.wiki-card-count{font-family:var(--font-mono);font-size:.72rem;color:var(--fg-faint);border:1px solid var(--border);border-radius:100px;padding:.02rem .5rem}
.wiki-card-desc{font-size:.85rem;color:var(--fg-dim);line-height:1.45}

.tip-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}
.tip-item{display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;padding:.95rem 0;border-bottom:1px solid var(--border);transition:padding-left .18s var(--ease)}
.tip-item:hover{padding-left:.5rem}
.tip-link{display:flex;flex-direction:column;gap:.22rem;min-width:0}
.tip-title{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:#eef6f2}
.tip-link:hover .tip-title{color:var(--acc)}
.tip-desc{font-size:.88rem;color:var(--fg-dim);line-height:1.45}
.tip-meta{display:flex;flex-direction:column;align-items:flex-end;gap:.2rem;font-family:var(--font-mono);font-size:.72rem;color:var(--fg-faint);white-space:nowrap;flex:0 0 auto}
.tip-cat{color:var(--acc)}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer{border-top:1px solid var(--border);margin-top:3rem;padding:2.5rem 0;background:var(--bg-2)}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center}
.site-footer .brand-f{font-family:var(--font-mono);color:var(--fg-dim);font-size:.85rem}
.site-footer .brand-f b{color:var(--acc)}
.site-footer .foot-links{display:flex;gap:1.2rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.8rem;list-style:none;margin:0;padding:0}
.site-footer .foot-links li{list-style:none;margin:0;padding:0}
.site-footer .foot-links a{color:var(--fg-dim)}
.site-footer .foot-links a:hover{color:var(--acc)}
.site-footer .copy{font-family:var(--font-mono);font-size:.74rem;color:var(--fg-faint);width:100%;border-top:1px solid var(--border);padding-top:1.3rem;margin-top:.3rem}

/* pagination */
.pagination{display:flex;gap:.5rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}
.pagination .page-numbers{font-family:var(--font-mono);font-size:.85rem;padding:.5rem .8rem;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--fg-dim)}
.pagination .page-numbers.current{background:var(--acc);color:#04120b;border-color:var(--acc)}
.pagination a.page-numbers:hover{border-color:var(--acc);color:var(--acc)}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width:1080px){
  .post-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article{grid-column:1}
  .toc-wrap{display:none}
}
@media (max-width:860px){
  .about-card{grid-template-columns:1fr;text-align:left}
  .about-hero{grid-template-columns:1fr;text-align:left}
}
@media (max-width:900px){
  .wiki{grid-template-columns:1fr;gap:1.4rem}
  .wiki-side{position:static;max-height:none;border-bottom:1px solid var(--border);padding-bottom:1.1rem;margin-bottom:.4rem}
  .wiki-nav-title{margin-bottom:.8rem}
  .wiki-nav ul{display:flex;flex-wrap:wrap;gap:.45rem}
  .wiki-nav li{margin:0}
  .wiki-nav a{border-left:0;border:1px solid var(--border);border-radius:100px;padding:.35rem .75rem}
  .wiki-nav a.active{border-color:var(--acc)}
  .wiki-nav a.active .c,.wiki-nav .c{background:transparent}
}
@media (max-width:640px){
  body{font-size:16px}
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-2);border-bottom:1px solid var(--border);padding:.4rem;transform:translateY(-130%);transition:transform .25s var(--ease);max-height:calc(100vh - var(--header-h));overflow:auto}
  .nav.open{transform:translateY(0)}
  .nav li{width:100%}
  .nav a{margin:0;padding:.85rem 1rem;font-size:1rem;border-radius:8px;width:100%}
  .nav a:hover{background:var(--surface)}
  .nav a::after{display:none}
  .nav-toggle{display:inline-flex}
  .post-row{grid-template-columns:1fr;gap:.5rem}
  .post-row .meta-col{flex-direction:row;gap:.8rem;flex-wrap:wrap}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .tip-item{flex-direction:column;gap:.4rem}
  .tip-meta{flex-direction:row;align-items:center;gap:.7rem}
  .hero-inner{grid-template-columns:1fr;gap:1.75rem}
  .hero-portrait{justify-self:start;order:-1;width:min(168px,42vw)}
  .hero-cta{margin-top:1.5rem}
}

/* -----------------------------------------------------------------------
 * Password gate for protected posts (coordinated disclosure)
 * Minimal: hairline border, one accent, no chrome.
 * --------------------------------------------------------------------- */
.pw-gate{max-width:32rem;margin:3rem auto 4rem;padding-left:1.4rem;border-left:1px solid var(--border)}
.pw-gate-eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-faint)}
.pw-gate-msg{margin:.85rem 0 1.5rem;color:var(--fg-dim);font-size:1rem;line-height:1.6}
.pw-row{display:flex;gap:.5rem}
.pw-input{
  flex:1;min-width:0;font-family:var(--font-mono);font-size:.9rem;color:var(--fg);letter-spacing:.06em;
  background:transparent;border:0;border-bottom:1px solid var(--border);
  padding:.55rem .1rem;transition:border-color .18s var(--ease);
}
.pw-input::placeholder{color:var(--fg-faint);letter-spacing:normal}
.pw-input:focus{outline:none;border-bottom-color:var(--acc)}
.pw-submit{
  font-family:var(--font-mono);font-size:.82rem;color:var(--acc);
  background:transparent;border:0;padding:.55rem .3rem;cursor:pointer;
  border-bottom:1px solid transparent;transition:border-color .18s var(--ease),color .18s var(--ease);
}
.pw-submit:hover{color:var(--acc-bright);border-bottom-color:var(--acc)}