/* ============================================================
   hexterm — theme for binarybobcat.github.io
   "the blog as a binary under analysis"
   ============================================================ */
:root{
  --ink:      #0D1118;
  --panel:    #121826;
  --panel-2:  #161E2E;
  --line:     #222B3C;
  --amber:    #F2A33C;
  --amber-hi: #FFC46B;
  --cyan:     #7FB4C9;
  --green:    #7FC98F;
  --red:      #E07A7A;
  --text:     #DCE2EA;
  --dim:      #6B7689;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}
html.ph-green{--amber:#7FE08A;--amber-hi:#AAF2B2}
html.ph-blue {--amber:#7FB7F2;--amber-hi:#AAD6FF}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 500px at 50% -10%, color-mix(in srgb, var(--amber) 5%, transparent), transparent 70%),
    radial-gradient(1400px 900px at 50% 110%, rgba(0,0,0,.5), transparent 60%);
}
::selection{background:var(--amber);color:var(--ink)}
a{color:var(--cyan);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}

#hexbg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
nav,main,footer{position:relative;z-index:1}
.wrap{max-width:980px;margin:0 auto;padding:0 24px}

/* ---------------- boot ---------------- */
#boot{
  position:fixed;inset:0;z-index:100;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .45s ease;
}
#boot.done{opacity:0;pointer-events:none}
#boot .inner{font-family:var(--mono);font-size:14px;line-height:2;width:min(560px,88vw);color:var(--dim)}
#boot .ln{display:block;white-space:pre}
#boot .ok{color:var(--green)}
#boot .hl{color:var(--amber)}
#boot .skip{margin-top:22px;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;opacity:.6}
#bar{color:var(--amber);letter-spacing:-1px}

/* ---------------- nav ---------------- */
nav{
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;
  background:color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter:blur(10px);
}
.nav-inner{
  display:flex;align-items:baseline;justify-content:space-between;gap:18px;
  padding:16px 24px;max-width:980px;margin:0 auto;font-family:var(--mono);
}
.brand{font-weight:700;font-size:15px;color:var(--text);letter-spacing:.02em;white-space:nowrap}
.brand .prompt{color:var(--amber)}
#pc{font-size:12px;color:var(--dim);letter-spacing:.05em;flex:1;text-align:center;user-select:none}
#pc b{color:var(--amber);font-weight:500}
.nav-right{display:flex;gap:20px;align-items:baseline;white-space:nowrap}
.nav-links{display:flex;gap:20px;font-size:13px}
.nav-links a{color:var(--dim);transition:color .15s}
.nav-links a:hover{color:var(--amber-hi)}
.nav-links a::before{content:".";color:var(--line)}
.nav-btn{
  font-family:var(--mono);font-size:12px;color:var(--dim);
  background:none;border:1px solid var(--line);border-radius:3px;
  padding:3px 9px;cursor:pointer;transition:color .15s,border-color .15s;
}
.nav-btn:hover{color:var(--amber-hi);border-color:var(--amber)}
.nav-btn b{color:var(--amber);font-weight:500}

/* ---------------- hero ---------------- */
.hero-head{padding:64px 0 40px;position:relative}
.hero-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.012) 3px 4px);
}
.term{font-family:var(--mono);font-size:14.5px;line-height:1.9;min-height:116px}
.term .ln{display:block;white-space:pre-wrap;word-break:break-word}
.term .p{color:var(--amber)}
.term .cmd{color:var(--text)}
.term .out{color:var(--dim)}
.term .out b{color:var(--cyan);font-weight:500}
.term .ok{color:var(--green)}
.cursor{display:inline-block;width:9px;height:17px;vertical-align:-3px;background:var(--amber);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
h1.title{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(42px,9vw,84px);line-height:1.02;letter-spacing:-.03em;
  margin:40px 0 18px;color:var(--text);text-transform:uppercase;
}
h1.title .l2{color:var(--amber)}
h1.title.glitching{animation:glitch .28s steps(2) 1}
@keyframes glitch{
  0%  {text-shadow:2px 0 var(--cyan),-2px 0 var(--amber);transform:translateX(-1px)}
  40% {text-shadow:-3px 0 var(--cyan),3px 0 var(--amber);transform:translateX(2px) skewX(-1deg)}
  70% {text-shadow:2px 0 var(--cyan),-2px 0 var(--amber);transform:translateX(-1px)}
  100%{text-shadow:none;transform:none}
}
.subtitle{color:var(--dim);max-width:58ch;font-size:17px}
.subtitle b{color:var(--text);font-weight:500}

/* ---------------- section header table ---------------- */
.sht{
  margin:48px 0 0;border:1px solid var(--line);border-radius:6px;
  background:color-mix(in srgb, var(--panel) 75%, transparent);overflow:hidden;
}
.sht .cap{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);padding:12px 18px;border-bottom:1px solid var(--line)}
.sht .cap b{color:var(--amber);font-weight:600}
.sht-row{
  display:grid;grid-template-columns:54px 1.1fr 1fr 90px 1fr;gap:14px;
  font-family:var(--mono);font-size:13px;padding:11px 18px;color:var(--dim);
  border-bottom:1px solid var(--line);transition:background .15s,color .15s;
}
.sht-row:last-child{border-bottom:none}
a.sht-row:hover{background:var(--panel-2);color:var(--text)}
a.sht-row:hover .nm{color:var(--amber-hi)}
.sht-row .nm{color:var(--cyan)}
.sht-row.hd{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}

/* ---------------- filters ---------------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;padding:48px 0 6px;align-items:center}
.filters .label{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.14em;text-transform:uppercase;margin-right:6px}
.chip{
  font-family:var(--mono);font-size:12.5px;color:var(--cyan);
  background:none;border:1px solid var(--line);border-radius:3px;
  padding:5px 11px;cursor:pointer;transition:border-color .15s,color .15s,background .15s;
}
.chip::before{content:"--";color:var(--dim)}
.chip:hover{border-color:var(--cyan)}
.chip.on{color:var(--ink);background:var(--amber);border-color:var(--amber);font-weight:600}
.chip.on::before{color:color-mix(in srgb, var(--ink) 55%, var(--amber))}

/* ---------------- featured ---------------- */
.featured{
  display:block;margin:26px 0 10px;border:1px solid var(--line);border-radius:8px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  padding:30px 30px 0;position:relative;overflow:hidden;
  transition:border-color .2s,transform .2s;
}
.featured:hover{border-color:color-mix(in srgb, var(--amber) 55%, var(--line));transform:translateY(-2px)}
.featured .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:14px;display:flex;gap:12px;align-items:baseline}
.featured .eyebrow .off{color:var(--dim);letter-spacing:.05em}
.featured h2{font-family:var(--mono);font-weight:700;font-size:clamp(22px,3.4vw,32px);line-height:1.25;color:var(--text);transition:color .15s}
.featured:hover h2{color:var(--amber-hi)}
.featured .desc{color:var(--dim);max-width:64ch;margin-top:12px;font-size:15.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.featured .row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px}
.featured .fmeta{font-family:var(--mono);font-size:12.5px;color:var(--dim)}
.featured .fmeta b{color:var(--cyan);font-weight:500}
.fingerprint{display:flex;height:6px;margin:24px -30px 0;opacity:.85}
.fingerprint span{flex:1}

/* ---------------- post list ---------------- */
section.posts{padding:6px 0 60px}
.col-head{
  display:grid;grid-template-columns:92px 1fr 118px;gap:20px;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--dim);padding:22px 14px 10px;border-bottom:1px solid var(--line);
}
.post{
  display:grid;grid-template-columns:92px 1fr 118px;gap:20px;
  padding:22px 14px;border-bottom:1px solid var(--line);
  text-decoration:none;position:relative;transition:background .15s;
}
.post:hover{background:color-mix(in srgb, var(--panel) 85%, transparent)}
.post::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--amber);transform:scaleY(0);transition:transform .18s;transform-origin:top}
.post:hover::before{transform:scaleY(1)}
.offset{font-family:var(--mono);font-size:13px;color:var(--dim);padding-top:3px;transition:color .15s}
.post:hover .offset{color:var(--amber)}
.post h2{font-family:var(--mono);font-weight:600;font-size:17.5px;line-height:1.4;color:var(--text);transition:color .15s}
.post:hover h2{color:var(--amber-hi)}
.post .desc{color:var(--dim);font-size:14.5px;margin-top:7px;max-width:62ch;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post .tags,.featured .tags{margin-top:11px;display:flex;flex-wrap:wrap;gap:7px}
.tag{font-family:var(--mono);font-size:11.5px;color:var(--cyan);border:1px solid var(--line);border-radius:3px;padding:2px 7px}
.tag::before{content:".";color:var(--dim)}
.meta{font-family:var(--mono);font-size:12.5px;color:var(--dim);text-align:right;line-height:1.9;padding-top:3px}
.meta .size{color:var(--cyan)}
.empty{font-family:var(--mono);color:var(--dim);padding:48px 14px;font-size:14px;display:none}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}

/* ---------------- post & page content ---------------- */
.post-page{max-width:780px;padding-top:56px;padding-bottom:48px}
.post-head .crumb{font-family:var(--mono);font-size:13.5px;color:var(--dim);margin-bottom:22px;word-break:break-all}
.post-head .crumb .p{color:var(--amber)}
.post-head h1{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(28px,5vw,44px);line-height:1.15;letter-spacing:-.02em;
  color:var(--text);margin-bottom:18px;
}
.post-meta{font-family:var(--mono);font-size:13px;color:var(--dim);display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:40px}
.post-meta .size{color:var(--cyan)}
.post-meta .sep{color:var(--line)}
.post-meta .tags{display:inline-flex;gap:7px;flex-wrap:wrap}

.post-body{color:#B9C2CE;font-size:16.5px}
.post-body h1,.post-body h2,.post-body h3,.post-body h4{
  font-family:var(--mono);color:var(--text);font-weight:700;letter-spacing:-.01em;
  margin:44px 0 16px;line-height:1.3;
}
.post-body h1{font-size:28px}
.post-body h2{font-size:23px}
.post-body h3{font-size:19px}
.post-body h1::before,.post-body h2::before{content:"# ";color:var(--amber)}
.post-body h3::before{content:"## ";color:var(--amber)}
.post-body p{margin-bottom:20px}
.post-body a{border-bottom:1px solid color-mix(in srgb, var(--cyan) 35%, transparent);transition:color .15s,border-color .15s}
.post-body a:hover{color:var(--amber-hi);border-color:var(--amber)}
.post-body strong{color:var(--text)}
.post-body ul,.post-body ol{margin:0 0 20px 24px}
.post-body li{margin-bottom:6px}
.post-body img{max-width:100%;height:auto;border-radius:6px;border:1px solid var(--line);margin:6px 0 20px;cursor:zoom-in}
.post-body code{
  font-family:var(--mono);font-size:.88em;
  color:var(--amber-hi);background:var(--panel);
  border:1px solid var(--line);border-radius:4px;padding:1px 6px;
}
.post-body pre{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:18px 20px;margin:0 0 24px;overflow-x:auto;
  font-family:var(--mono);font-size:13.5px;line-height:1.7;
}
.post-body pre code{background:none;border:none;padding:0;color:var(--text)}
.post-body .highlight{background:var(--panel);border-radius:8px;margin-bottom:24px}
.post-body .highlight pre{margin-bottom:0;border:1px solid var(--line)}
.post-body blockquote{
  border-left:2px solid var(--amber);background:color-mix(in srgb, var(--panel) 70%, transparent);
  padding:16px 22px;margin:0 0 24px;border-radius:0 8px 8px 0;
  color:var(--dim);font-style:italic;
}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body blockquote cite{display:block;margin-top:8px;font-family:var(--mono);font-size:12.5px;font-style:normal;color:var(--cyan)}
.post-body blockquote cite::before{content:"— "}
.post-body hr{border:0;height:1px;background:var(--line);margin:44px 0}
.post-body table{width:100%;border-collapse:collapse;margin-bottom:24px;font-size:14px}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.post-body th{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);background:var(--panel)}

/* rouge syntax — phosphor-friendly overrides */
.highlight .c,.highlight .cm,.highlight .c1,.highlight .cs{color:var(--dim);font-style:italic}
.highlight .k,.highlight .kd,.highlight .kr,.highlight .kc{color:var(--amber);font-weight:600}
.highlight .s,.highlight .s1,.highlight .s2,.highlight .sb,.highlight .sh{color:var(--green)}
.highlight .nf,.highlight .ne,.highlight .nc{color:var(--cyan)}
.highlight .m,.highlight .mi,.highlight .mf,.highlight .mh{color:var(--amber-hi)}
.highlight .nt{color:var(--cyan)}
.highlight .err{color:var(--red);background:none}

/* post prev/next */
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:56px;border-top:1px solid var(--line);padding-top:28px;flex-wrap:wrap}
.pn{display:flex;flex-direction:column;gap:6px;max-width:46%}
.pn.next{margin-left:auto;text-align:right}
.pn .dir{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.pn .t{font-family:var(--mono);font-size:14.5px;color:var(--cyan);transition:color .15s}
.pn:hover .t{color:var(--amber-hi)}

/* ---------------- footer ---------------- */
footer{border-top:1px solid var(--line);padding:30px 0 52px;position:relative;z-index:1}
.foot-inner{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:14px;font-family:var(--mono);font-size:13px;color:var(--dim)}
.foot-inner a{color:var(--cyan)}
.foot-inner a:hover{color:var(--amber-hi)}
#crc{letter-spacing:.04em}
#crc b{color:var(--amber);font-weight:500}
.foot-hint{font-size:11.5px;letter-spacing:.08em;opacity:.7}
.foot-hint b{color:var(--amber);font-weight:500}

/* ---------------- shell ---------------- */
#shell{position:fixed;inset:0;z-index:80;display:none;background:color-mix(in srgb, var(--ink) 72%, transparent);backdrop-filter:blur(4px)}
#shell.open{display:block}
.shell-panel{
  width:min(680px,92vw);margin:11vh auto 0;background:var(--panel);
  border:1px solid color-mix(in srgb, var(--amber) 45%, var(--line));
  border-radius:8px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.55);
  font-family:var(--mono);
}
.shell-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.shell-head b{color:var(--amber);font-weight:600}
#shell-out{max-height:46vh;overflow-y:auto;padding:14px 16px;font-size:13.5px;line-height:1.9;color:var(--dim)}
#shell-out .c-cmd{color:var(--text)}
#shell-out .c-p{color:var(--amber)}
#shell-out .c-hl{color:var(--cyan)}
#shell-out .c-ok{color:var(--green)}
#shell-out .c-err{color:var(--red)}
#shell-out a{text-decoration:underline;text-underline-offset:3px}
.shell-in{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--line)}
.shell-in .p{color:var(--amber);font-size:14px}
#shell-input{flex:1;background:none;border:none;outline:none;font-family:var(--mono);font-size:14px;color:var(--text);caret-color:var(--amber)}

/* ---------------- toast ---------------- */
#toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(12px);
  z-index:70;font-family:var(--mono);font-size:13px;
  background:var(--panel);border:1px solid var(--amber);color:var(--amber-hi);
  padding:9px 18px;border-radius:4px;opacity:0;pointer-events:none;
  transition:opacity .25s,transform .25s;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------- responsive ---------------- */
@media (max-width:720px){
  #pc{display:none}
  .col-head{display:none}
  .post{grid-template-columns:1fr;gap:8px;padding:20px 12px}
  .meta{text-align:left;padding-top:0}
  .meta br{display:none}
  .meta .size::before{content:"  ·  ";color:var(--line)}
  .sht-row{grid-template-columns:44px 1fr 90px;font-size:12px}
  .sht-row .ty,.sht-row .ad{display:none}
  .featured{padding:24px 22px 0}
  .fingerprint{margin:22px -22px 0}
  .nav-links{gap:14px}
  .pn{max-width:100%}
}
@media (prefers-reduced-motion:reduce){
  .cursor{animation:none}
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  #boot{display:none}
}

/* ---------------- contact form (page layout) ---------------- */
.post-body form{max-width:560px}
.post-body .form__group{margin-bottom:16px}
.post-body input[type=text],
.post-body input[type=email],
.post-body textarea{
  width:100%;padding:14px 16px;
  font-family:var(--mono);font-size:14px;color:var(--text);
  background:var(--panel);border:1px solid var(--line);border-radius:6px;
  caret-color:var(--amber);transition:border-color .15s;
}
.post-body input:focus,.post-body textarea:focus{outline:none;border-color:var(--amber)}
.post-body ::placeholder{color:var(--dim)}
.post-body button[type=submit],.post-body .button{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--ink);background:var(--amber);border:none;border-radius:4px;
  padding:12px 26px;cursor:pointer;transition:background .15s;
}
.post-body button[type=submit]:hover,.post-body .button:hover{background:var(--amber-hi)}