/*
Theme Name: To Serve Admin
Theme URI: https://toserveadmin.com
Author: enship
Description: A practical cookbook for people who run servers. Modern infrastructure publication base with 1950s/60s terminal-manual accents.
Version: 0.1.0
Requires at least: 6.0
Requires PHP: 7.4
License: MIT
Text Domain: toserve-admin
*/

/* ============ tokens ============ */
:root {
  --bg:        #0c1014;
  --bg-2:      #10151c;
  --panel:     #131a22;
  --panel-2:   #171f29;
  --line:      #243040;
  --line-soft: #1b2430;
  --text:      #d6dee8;
  --dim:       #8593a5;
  --faint:     #5b6879;
  --head:      #f2f5f1;
  --green:     #5bd98c;   /* phosphor terminal green */
  --green-dk:  #2c5c41;
  --amber:     #e2a54a;   /* 50s manual amber */
  --amber-dk:  #6b4f22;
  --red:       #d96b5b;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --rule: 1px solid var(--line);
}

/* ============ base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--head); font-weight: 600; }
code, kbd, pre { font-family: var(--mono); }

.wrapper { max-width: 1160px; margin: 0 auto; padding: 0 22px; }
.mono      { font-family: var(--mono); }
.smallcaps { font-variant: small-caps; letter-spacing: .12em; }
.dim       { color: var(--dim); }
.green     { color: var(--green); }
.amber     { color: var(--amber); }

/* double rule — the classic manual divider */
.rule-double { border: 0; border-top: 3px double var(--line); margin: 0; }

/* ============ terminal strip (top bar) ============ */
.term-strip {
  background: #0a0d10;
  border-bottom: var(--rule);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--dim);
  overflow: hidden;
}
.term-strip .wrapper { display: flex; align-items: center; gap: 8px; padding-top: 7px; padding-bottom: 7px; }
.term-prompt  { color: var(--green); }
.term-prompt .path { color: var(--amber); }
.term-cmd { color: var(--text); }
.term-caret {
  display: inline-block; width: 7px; height: 14px; margin-left: 2px;
  background: var(--green); vertical-align: -2px;
  animation: tsa-blink 1.1s steps(1) infinite;
}
@keyframes tsa-blink { 50% { opacity: 0; } }
.term-status { margin-left: auto; color: var(--faint); letter-spacing: .08em; font-size: 11px; }
.term-status .ok { color: var(--green); }

/* ============ compact CVE pulse ============ */
.tsa-cve-pulse { background: #10151a; border-bottom: 1px solid var(--line); color: var(--dim); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }
.tsa-cve-pulse .wrapper { display: flex; align-items: center; gap: 14px; min-height: 29px; overflow: hidden; }
.tsa-cve-label { color: var(--amber); white-space: nowrap; }
.tsa-cve-signal { color: var(--red); font-size: 9px; }
.tsa-cve-items { display: flex; align-items: center; gap: 12px; min-width: 0; overflow: hidden; }
.tsa-cve-items a { color: var(--text); text-decoration: none; white-space: nowrap; }
.tsa-cve-items a:hover { color: var(--green); }
.tsa-cve-items small { color: var(--faint); margin-left: 5px; font-size: 9px; }
.tsa-cve-source { color: var(--faint); margin-left: auto; white-space: nowrap; }
@media (max-width: 640px) { .tsa-cve-pulse .wrapper { gap: 9px; } .tsa-cve-source { display: none; } .tsa-cve-items { gap: 8px; } .tsa-cve-items a:nth-child(3) { display: none; } }

/* ============ masthead ============ */
.masthead { padding: 40px 0 30px; text-align: center; position: relative; }
.masthead::before { /* faint scanline texture, very subtle */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.012) 0 1px, transparent 1px 3px);
}
.masthead-rule { width: min(680px, 82%); margin: 0 auto; border-top: 4px double var(--line); border-bottom: 4px double var(--line); padding: 26px 0 22px; }
.site-title {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(26px, 5.4vw, 52px);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--head);
  text-transform: uppercase;
  line-height: 1.15;
}
.site-title .amp { color: var(--green); }
.site-tagline {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--dim);
}
.site-tagline b { color: var(--amber); font-weight: 500; }
.masthead-index { margin-top: 14px; font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: .14em; }

/* ============ nav tabs (index-tab style) ============ */
.site-nav { border-top: var(--rule); border-bottom: var(--rule); background: var(--bg-2); }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 0; list-style: none; margin: 0; padding: 0; }
.site-nav li a {
  display: block; padding: 11px 18px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--dim); border-right: 1px solid var(--line-soft);
}
.site-nav li:first-child a { border-left: 1px solid var(--line-soft); }
.site-nav li a:hover, .site-nav li a[aria-current="page"] {
  color: var(--green); background: rgba(91,217,140,.06); text-decoration: none;
}
.site-nav .search-box { margin-left: auto; align-self: center; padding: 4px 14px 4px 0; }
.site-nav .search-box input {
  background: #0a0d10; border: var(--rule); color: var(--text);
  font-family: var(--mono); font-size: 12.5px; padding: 6px 10px; width: 190px;
}
.site-nav .search-box input:focus { outline: none; border-color: var(--green-dk); }

/* ============ layout ============ */
.grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; padding: 36px 0 56px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .site-nav .search-box { margin-left: 0; width: 100%; } }

/* section heading with manual numbering */
.sec-head { display: flex; align-items: baseline; gap: 12px; margin: 30px 0 16px; }
.sec-head .no { font-family: var(--mono); font-size: 11px; color: var(--amber); letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; }
.sec-head h2 { font-family: var(--serif); font-size: 22px; margin: 0; font-weight: 600; letter-spacing: .01em; }
.sec-head .tail { flex: 1; border-top: 1px dashed var(--line); transform: translateY(-4px); }
.sec-head a.more { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; color: var(--dim); }

/* ============ post cards ============ */
.cards { display: grid; gap: 14px; }
.card {
  position: relative; display: grid; grid-template-columns: 74px minmax(0,1fr) auto;
  gap: 18px; align-items: center;
  background: var(--panel); border: var(--rule); border-left: 3px solid var(--line);
  padding: 16px 20px 16px 0;
  transition: border-color .15s, background .15s;
}
.card:hover { border-left-color: var(--green); background: var(--panel-2); }
.card .num {
  font-family: var(--mono); font-size: 13px; color: var(--green); letter-spacing: .06em;
  border-right: 1px dashed var(--line); height: 46px; display: flex; align-items: center; justify-content: center;
}
.card h3 { margin: 0 0 5px; font-family: var(--serif); font-size: 19px; font-weight: 600; }
.card h3 a { color: var(--head); }
.card h3 a:hover { color: var(--green); text-decoration: none; }
.card .meta { font-family: var(--mono); font-size: 11.5px; color: var(--dim); letter-spacing: .05em; }
.card .meta .kind { color: var(--amber); text-transform: uppercase; letter-spacing: .16em; }
.card .meta .sep { color: var(--faint); padding: 0 7px; }
.card .aside { text-align: right; font-family: var(--mono); font-size: 11.5px; color: var(--faint); white-space: nowrap; }
.card .aside .views { color: var(--dim); }

/* recipe card variant */
.card--recipe { border-left-color: var(--amber-dk); }
.card--recipe:hover { border-left-color: var(--amber); }
.card--recipe .num { color: var(--amber); }
.recipe-strip { display: flex; gap: 18px; margin-top: 8px; font-family: var(--mono); font-size: 11px; color: var(--dim); flex-wrap: wrap; }
.recipe-strip b { color: var(--text); font-weight: 500; }
.recipe-strip .diff { color: var(--amber); letter-spacing: 2px; }

/* empty ledger state (front page, no posts) */
.empty-state { text-align: center; padding: 58px 20px 66px; }
.empty-state .stamp { margin-bottom: 14px; }
.empty-state p { font-family: var(--mono); font-size: 13.5px; color: var(--dim); letter-spacing: .04em; margin: 0; }

/* stamp badge (50s "TESTED") */
.stamp {
  display: inline-block; border: 1.5px solid var(--green); color: var(--green);
  font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  padding: 4px 9px; transform: rotate(-4deg); opacity: .85; user-select: none;
  white-space: nowrap;
}
.stamp--amber { border-color: var(--amber); color: var(--amber); }

/* ============ front hero ============ */
.hero {
  display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); gap: 14px; margin-bottom: 6px;
}
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; } }
.hero .feature {
  background:
    linear-gradient(180deg, rgba(91,217,140,.05), rgba(91,217,140,0) 55%),
    var(--panel);
  border: var(--rule); border-left: 3px solid var(--green);
  padding: 26px 28px 24px; position: relative; overflow: hidden;
}
.feature .kicker { font-family: var(--mono); font-size: 11px; color: var(--amber); letter-spacing: .24em; text-transform: uppercase; margin: 0 0 10px; }
.feature h2 { font-family: var(--serif); font-size: clamp(22px, 3vw, 30px); margin: 0 0 10px; }
.feature h2 a { color: var(--head); }
.feature h2 a:hover { color: var(--green); text-decoration: none; }
.feature p.ex { margin: 0 0 14px; color: var(--dim); font-size: 15px; }
.feature .meta { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }

/* sidebar panels */
.panel { background: var(--panel); border: var(--rule); margin-bottom: 16px; }
.panel-h {
  display: flex; align-items: baseline; gap: 8px;
  padding: 10px 14px; border-bottom: 1px dashed var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim);
}
.panel-h .no { color: var(--amber); }
.panel-b { padding: 12px 14px 14px; }
.index-list { list-style: none; margin: 0; padding: 0; }
.index-list li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
.index-list li:last-child { border-bottom: 0; }
.index-list .n { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.sponsor-box { padding: 16px 16px 18px; text-align: center; }
.sponsor-box .stamp { margin-bottom: 10px; transform: rotate(3deg); }
.sponsor-box p { font-size: 13.5px; color: var(--dim); margin: 0 0 12px; }
.btn {
  display: inline-block; background: transparent; color: var(--green);
  border: 1px solid var(--green); font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; padding: 8px 16px; cursor: pointer;
}
.btn:hover { background: rgba(91,217,140,.08); text-decoration: none; }
.btn--amber { color: var(--amber); border-color: var(--amber); }
.btn--amber:hover { background: rgba(226,165,74,.08); }

/* ============ article ============ */
.article { background: var(--bg); }
.art-head { padding: 30px 0 6px; }
.art-kicker { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.art-kicker .no { font-family: var(--mono); font-size: 12px; color: var(--amber); letter-spacing: .2em; text-transform: uppercase; }
.art-kicker .kind { font-family: var(--mono); font-size: 11px; color: var(--green); letter-spacing: .22em; text-transform: uppercase; }
.art-head h1 { font-family: var(--serif); font-size: clamp(28px, 4.6vw, 42px); margin: 0 0 14px; font-weight: 600; line-height: 1.2; }
.art-byline { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: 12px; color: var(--dim); }
.art-byline .author { color: var(--text); }
.art-byline .sep { color: var(--faint); }
.art-hero { margin: 22px 0 8px; border: var(--rule); }
.art-hero img { display: block; width: 100%; }

/* recipe meta strip (PREP / YIELD / ENV — cookbook terminology on infrastructure) */
.recipe-meta {
  display: flex; gap: 0; flex-wrap: wrap; border: var(--rule); border-left: 3px solid var(--amber);
  background: var(--panel); margin: 18px 0 6px;
}
.recipe-meta .cell { padding: 12px 22px 12px 18px; border-right: 1px dashed var(--line); }
.recipe-meta .cell:last-child { border-right: 0; }
.recipe-meta .k { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .24em; color: var(--faint); text-transform: uppercase; margin-bottom: 3px; }
.recipe-meta .v { font-family: var(--mono); font-size: 14px; color: var(--text); }
.recipe-meta .v.diff { color: var(--amber); letter-spacing: 3px; }

/* body typography — manual/ledger feel: serif body, mono labels */
.art-body { font-family: var(--serif); font-size: 17.5px; line-height: 1.75; max-width: 72ch; }
.art-body p { margin: 0 0 1.2em; }
.art-body h2 {
  font-family: var(--sans); font-size: 21px; margin: 2em 0 .7em;
  display: flex; align-items: baseline; gap: 10px;
}
.art-body h2 .secno { font-family: var(--mono); font-size: 11px; color: var(--amber); letter-spacing: .2em; }
.art-body h3 { font-size: 17.5px; margin: 1.6em 0 .5em; }
.art-body ul, .art-body ol { padding-left: 1.3em; }
.art-body li { margin-bottom: .35em; }
.art-body li::marker { color: var(--green); }
.art-body strong { color: var(--head); }
.art-body a { text-decoration: underline; text-underline-offset: 3px; }
.art-body mark { background: rgba(226,165,74,.2); color: var(--text); padding: 0 3px; }

/* terminal code block — 50s green phosphor window */
.art-body pre, pre.term {
  background: #080b0e; border: var(--rule); border-top: 3px solid var(--green-dk);
  padding: 0; margin: 1.4em 0; overflow-x: auto;
}
pre.term { position: relative; }
pre.term .term-bar {
  display: flex; align-items: center; gap: 6px;
  background: #0f141a; border-bottom: 1px solid var(--line-soft);
  padding: 7px 12px; font-family: var(--mono); font-size: 11px; color: var(--faint);
}
pre.term .term-bar .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
pre.term .term-bar .dot.g { background: var(--green-dk); }
pre.term .term-bar .label { margin-left: 8px; letter-spacing: .14em; }
pre.term code {
  display: block; padding: 14px 16px; color: #bfe6cd; font-size: 13.5px; line-height: 1.6;
}
pre.term code .c { color: var(--faint); }          /* comment */
pre.term code .p { color: var(--green); }           /* prompt */
pre.term code .w { color: var(--amber); }           /* warning/highlight */
.art-body code:not(pre code) {
  background: #12181f; border: 1px solid var(--line-soft); color: #cfe3d6;
  padding: 1px 6px; font-size: .85em; border-radius: 3px;
}

/* margin note (manual annotation) */
.art-body blockquote.note {
  margin: 1.5em 0; padding: 14px 18px 14px 20px;
  border-left: 3px solid var(--amber); background: rgba(226,165,74,.05);
  font-family: var(--sans); font-size: 14.5px; color: var(--dim);
}
.art-body blockquote.note .lbl { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .26em; color: var(--amber); text-transform: uppercase; margin-bottom: 6px; }
.art-body blockquote.pull {
  margin: 1.8em 0; padding: 6px 0 6px 30px; border-left: 3px double var(--green);
  font-size: 22px; line-height: 1.45; color: var(--head); font-style: italic;
}

/* tables — spec-sheet style */
.art-body table { border-collapse: collapse; width: 100%; margin: 1.4em 0; font-family: var(--mono); font-size: 13px; }
.art-body th { text-align: left; font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--amber); font-weight: 500; }
.art-body th, .art-body td { border: 1px solid var(--line-soft); padding: 8px 12px; }
.art-body tr:nth-child(even) td { background: rgba(255,255,255,.015); }

/* steps (RECIPE procedure) */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.5em 0; }
.steps li { counter-increment: step; padding: 0 0 18px 0; }
.steps li::before {
  content: "STEP " counter(step, decimal-leading-zero);
  display: block; margin-bottom: 5px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--green);
}
.steps li + li { border-top: 1px dashed var(--line-soft); padding-top: 16px; }
.steps li > strong { color: var(--head); }

/* ============ 404 ============ */
.page-404 { padding: 70px 0 90px; max-width: 620px; }
.page-404 h1 { font-family: var(--mono); color: var(--red); font-size: 18px; margin: 26px 0 10px; }

/* ============ footer ============ */
.site-footer { background: #0a0d10; border-top: 4px double var(--line); margin-top: 30px; }
.site-footer .wrapper { padding-top: 26px; padding-bottom: 30px; }
.foot-top { display: flex; flex-wrap: wrap; gap: 18px 40px; justify-content: space-between; align-items: baseline; }
.foot-brand { font-family: var(--mono); letter-spacing: .2em; color: var(--head); font-size: 13px; text-transform: uppercase; }
.foot-tag { font-family: var(--mono); font-size: 11.5px; color: var(--faint); letter-spacing: .06em; }
.foot-tag .egg { color: var(--amber); }
.foot-links { display: flex; gap: 18px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; }
.foot-links a { color: var(--dim); }
.foot-links a:hover { color: var(--green); text-decoration: none; }
.foot-bottom { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-family: var(--mono); font-size: 10.5px; color: var(--faint); letter-spacing: .1em; }
.foot-bottom .eof { color: var(--green-dk); }

/* ============ responsive ============ */
@media (max-width: 640px) {
  .card { grid-template-columns: 1fr; }
  .card .num { height: auto; border-right: 0; border-bottom: 1px dashed var(--line); width: 100%; justify-content: flex-start; padding-left: 18px; }
  .card .aside { text-align: left; }
  .term-status { display: none; }
}