/* ==========================================================================
   Iron Flux — skillet.css
   A mid-grey workshop: blueprint blue plates, cast-iron rules, butter-yellow
   measurement marks. Square corners only, no drop shadows, no lift on hover —
   cards answer with a draughtsman corner bracket instead of movement.
   ========================================================================== */

:root {
  --skillet-iron: #3C3F44;
  --skillet-flux: #5B7A99;
  --skillet-patina: #E3B23C;
  --skillet-season: #F4F5F6;
  --skillet-ash: #E2E5E8;
  --skillet-ink: #23262A;
  --skillet-deep: #22405E;
  --skillet-steel: #2E5E86;
  --skillet-plate: #FFFFFF;
  --skillet-rule: 1px solid var(--skillet-ash);
  --skillet-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --skillet-grotesk: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --skillet-gauge: 22px;
}

* { box-sizing: border-box; }

html { background: var(--skillet-iron); }

body {
  margin: 0;
  background-color: var(--skillet-season);
  background-image:
    linear-gradient(to right, rgba(60, 63, 68, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(60, 63, 68, .045) 1px, transparent 1px);
  background-size: var(--skillet-gauge) var(--skillet-gauge);
  color: var(--skillet-ink);
  font-family: var(--skillet-mono);
  font-size: 13.5px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--skillet-steel); text-decoration: none; border-bottom: 1px solid rgba(46, 94, 134, .3); }
a:hover { border-bottom-color: var(--skillet-patina); color: var(--skillet-ink); }
h1, h2, h3, h4 { font-family: var(--skillet-grotesk); font-weight: 600; letter-spacing: .01em; color: var(--skillet-iron); margin: 0 0 .5em; }
h1 { font-size: 1.72rem; line-height: 1.18; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }
p { margin: 0 0 1em; }
code { font-family: var(--skillet-mono); background: #EDEFF1; padding: 1px 4px; border: var(--skillet-rule); font-size: .94em; }
hr { border: 0; border-top: var(--skillet-rule); margin: 1.4em 0; }

.sr-only, .skip-link {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link:focus { position: static; width: auto; height: auto; margin: 6px; padding: 6px 10px; background: var(--skillet-patina); color: var(--skillet-ink); clip: auto; }

/* --------------------------------------------------------------- top strip */
.crucible-head {
  display: flex; align-items: center; gap: 18px;
  padding: 0 20px; height: 60px;
  background: var(--skillet-iron);
  color: var(--skillet-season);
  border-bottom: 3px solid var(--skillet-patina);
  position: sticky; top: 0; z-index: 40;
}
.stamp { display: flex; align-items: center; gap: 11px; color: var(--skillet-season); border: 0; }
.stamp-mark { color: var(--skillet-season); flex: none; }
.stamp-text { display: flex; flex-direction: column; line-height: 1.1; }
.stamp-text b { font-family: var(--skillet-grotesk); font-size: 1.02rem; letter-spacing: .22em; }
.stamp-text i { font-style: normal; font-size: 10.5px; letter-spacing: .1em; color: #B9C3CC; text-transform: uppercase; }

.probe-search { margin-left: auto; display: flex; align-items: stretch; border: 1px solid #6C7378; background: #31353A; }
.probe-search input {
  background: transparent; border: 0; color: var(--skillet-season);
  font-family: var(--skillet-mono); font-size: 12.5px; padding: 6px 10px; width: 240px;
}
.probe-search input::placeholder { color: #98A2AB; }
.probe-search input:focus { outline: 2px solid var(--skillet-patina); outline-offset: -2px; }
.probe-search button {
  background: var(--skillet-patina); border: 0; color: var(--skillet-ink);
  font-family: var(--skillet-grotesk); font-weight: 600; letter-spacing: .1em;
  font-size: 11px; text-transform: uppercase; padding: 0 13px; cursor: pointer;
}
.probe-search button:hover { background: #F0C558; }
.lang-toggle {
  color: var(--skillet-season); border: 1px solid #6C7378; padding: 5px 10px;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
}
.lang-toggle:hover { border-color: var(--skillet-patina); color: var(--skillet-patina); }

/* ------------------------------------------------------------------ shell */
.bench-shell { display: grid; grid-template-columns: 218px minmax(0, 1fr); align-items: start; }
.work-area { padding: 26px 30px 60px; min-width: 0; }

/* ------------------------------------------------------------- dial rail */
.dial-rail {
  position: sticky; top: 60px; align-self: start;
  max-height: calc(100vh - 60px); overflow-y: auto;
  padding: 18px 14px 34px 20px;
  border-right: var(--skillet-rule);
  background: #EDEFF1;
}
.dial-group { border: 0; margin: 0 0 16px; padding: 0; }
.dial-group legend, .rail-head {
  font-family: var(--skillet-grotesk); font-size: 10.5px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--skillet-iron);
  padding: 0 0 6px; border-bottom: 2px solid var(--skillet-iron); margin-bottom: 8px; width: 100%;
}
.heat-chip {
  display: flex; align-items: center; gap: 7px; cursor: pointer;
  padding: 3px 0; font-size: 12.4px; color: var(--skillet-iron);
}
.heat-chip input { appearance: none; width: 12px; height: 12px; border: 1.5px solid var(--skillet-flux); background: #fff; flex: none; margin: 0; }
.heat-chip input:checked { background: var(--skillet-patina); border-color: var(--skillet-iron); box-shadow: inset 0 0 0 2px #fff; }
.heat-chip span { border-bottom: 1px solid transparent; }
.heat-chip:hover span { border-bottom-color: var(--skillet-flux); }
.dial-reset {
  width: 100%; margin: 6px 0 18px; padding: 7px;
  background: transparent; border: 1.5px solid var(--skillet-iron);
  font-family: var(--skillet-grotesk); font-weight: 600; font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; cursor: pointer; color: var(--skillet-iron);
}
.dial-reset:hover { background: var(--skillet-patina); }
.rail-group { margin-bottom: 16px; }
.rail-link { display: block; padding: 2.5px 0 2.5px 9px; font-size: 12.4px; color: var(--skillet-iron); border-left: 2px solid var(--skillet-ash); border-bottom: 0; }
.rail-link:hover { border-left-color: var(--skillet-patina); background: #E4E7EA; }
.rail-link.rail-on { border-left-color: var(--skillet-steel); background: #DCE3EA; font-weight: 600; }
.rail-track { margin-top: 20px; padding-top: 12px; border-top: 1px dashed var(--skillet-flux); }
.rail-track a { display: block; font-size: 12px; padding: 2px 0; letter-spacing: .02em; }

/* ------------------------------------------------------------ bench intro */
.bench-intro { border-left: 6px solid var(--skillet-patina); padding: 4px 0 4px 18px; margin-bottom: 26px; max-width: 74ch; }
.bench-intro h1 { margin-bottom: .35em; }
.bench-schedule { font-size: 12.5px; color: var(--skillet-flux); border-top: 1px dashed var(--skillet-flux); padding-top: 10px; margin-top: 14px; }

.grid-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border-bottom: 2px solid var(--skillet-iron); padding-bottom: 6px; margin-bottom: 18px; }
.grid-count { font-family: var(--skillet-grotesk); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; margin: 0; }
.grid-empty { color: #8A5B10; background: #FBF3DF; border: 1px solid var(--skillet-patina); padding: 8px 12px; margin: 0 0 16px; font-size: 12.5px; }

/* ------------------------------------------------------------- card grid */
.pan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.pan-grid.tight { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; margin-top: 10px; }

.sear-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--skillet-plate); border: 1.5px solid var(--skillet-iron);
}
.sear-card::after {
  content: ""; position: absolute; inset: -1.5px -1.5px auto auto;
  width: 0; height: 0; border-top: 0 solid transparent; border-left: 0 solid transparent;
  transition: none;
}
.sear-card:hover::after {
  width: 26px; height: 26px;
  border-top: 3px solid var(--skillet-patina); border-left: 3px solid var(--skillet-patina);
}
.sear-card:hover { border-color: var(--skillet-steel); }
.sear-card.is-dim { opacity: .32; }
.sear-card.is-top { border-color: var(--skillet-patina); border-width: 2.5px; }
.card-plate { display: block; border: 0; border-bottom: 1.5px solid var(--skillet-iron); background: var(--skillet-deep); }
.card-plate img { width: 100%; height: auto; }
.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; }
.card-tag { display: flex; justify-content: space-between; margin: 0; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--skillet-flux); }
.drg { font-weight: 600; color: var(--skillet-iron); }
.card-title { margin: 0; font-size: 1.03rem; line-height: 1.32; }
.card-title a { border: 0; color: var(--skillet-iron); }
.card-title a:hover { color: var(--skillet-steel); }
.card-intro { margin: 0; font-size: 12.4px; color: #4A4F55; }
.card-chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 2px 0 0; padding: 0; }
.heat-chip.static {
  font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase;
  border: 1px solid var(--skillet-flux); color: var(--skillet-steel);
  padding: 1px 7px; background: #F0F4F8;
}
.card-meters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 4px 0 0; background: var(--skillet-ash); border: 1px solid var(--skillet-ash); }
.card-meters > div { background: var(--skillet-plate); padding: 5px 6px; }
.card-meters dt { font-size: 9.6px; letter-spacing: .07em; text-transform: uppercase; color: var(--skillet-flux); }
.card-meters dd { margin: 1px 0 0; font-size: 12.6px; font-weight: 600; color: var(--skillet-iron); }
.match-out { color: var(--skillet-patina); }

.sear-card.slim { border-width: 1px; }
.sear-card.slim a { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; padding: 8px 11px; border: 0; align-items: baseline; }
.slim-title { font-family: var(--skillet-grotesk); font-weight: 600; font-size: .96rem; color: var(--skillet-iron); }
.slim-meta { grid-column: 2; font-size: 11.5px; color: var(--skillet-flux); }
.care-runs { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

/* ----------------------------------------------------------- work header */
.crumb { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--skillet-flux); margin-bottom: 14px; }
.crumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.crumb li + li::before { content: "/ "; color: var(--skillet-ash); }
.crumb a { border: 0; }
.work-head { border-bottom: 2px solid var(--skillet-iron); margin-bottom: 22px; padding-bottom: 10px; }
.work-head p { margin: 0; color: #4A4F55; }
.btn-iron {
  display: inline-block; margin-top: 10px; padding: 7px 14px; border: 1.5px solid var(--skillet-iron);
  font-family: var(--skillet-grotesk); font-weight: 600; font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
}
.btn-iron:hover { background: var(--skillet-patina); border-color: var(--skillet-iron); color: var(--skillet-ink); }

/* -------------------------------------------------------- record: the log */
.sear-log { max-width: 1240px; }
.log-head { border-bottom: 3px solid var(--skillet-iron); padding-bottom: 14px; margin-bottom: 20px; }
.plate-no { font-family: var(--skillet-grotesk); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--skillet-flux); margin: 0 0 8px; }
.log-head h1 { font-size: 2rem; max-width: 30ch; }
.log-intro { font-size: 14.5px; color: #3A3F45; max-width: 70ch; }
.log-meta { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--skillet-flux); }
/* The desk byline sits inside the meta row but keeps its own case, so the
   author reads as a signature rather than as another uppercase machine label. */
.log-byline { text-transform: none; letter-spacing: .02em; color: var(--skillet-ink); }
.log-byline a { color: var(--skillet-steel); text-decoration: none; border-bottom: 1px solid var(--skillet-ash); }
.log-byline a:hover, .log-byline a:focus { border-bottom-color: var(--skillet-steel); }
.log-plate { border: 1.5px solid var(--skillet-iron); width: 100%; max-width: 720px; background: #fff; margin-top: 14px; }

.log-grid { display: grid; grid-template-columns: 186px minmax(0, 1fr) 208px; gap: 26px; align-items: start; }
.probe-note { position: sticky; top: 74px; font-size: 12px; }
.probe-note.left { border-left: 3px solid var(--skillet-steel); padding-left: 12px; }
.probe-note.right { border-right: 3px solid var(--skillet-patina); padding-right: 12px; text-align: left; }
.note-head { font-family: var(--skillet-grotesk); font-size: 10.4px; font-weight: 600; letter-spacing: .17em; text-transform: uppercase; color: var(--skillet-iron); border-bottom: 1.5px solid var(--skillet-iron); padding-bottom: 4px; margin: 0 0 8px; }
.probe-note .note-head:not(:first-child) { margin-top: 18px; }
.note-list { margin: 0; }
.note-list > div { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dotted var(--skillet-ash); padding: 3px 0; }
.note-list dt { color: var(--skillet-flux); font-size: 11px; }
.note-list dd { margin: 0; text-align: right; font-weight: 600; color: var(--skillet-iron); }
.note-warn, .note-care { margin: 0; padding-left: 16px; font-size: 11.6px; color: #44494f; }
.note-warn li, .note-care li { margin-bottom: 5px; }
.note-warn { list-style: none; padding-left: 0; }
.note-warn li::before { content: "! "; color: var(--skillet-patina); font-weight: 700; }

.log-body { min-width: 0; max-width: 66ch; }
.log-sec { border-top: var(--skillet-rule); padding-top: 14px; margin-bottom: 26px; }
.log-sec h2 { display: flex; align-items: baseline; gap: 10px; font-size: 1.14rem; letter-spacing: .02em; text-transform: uppercase; }
.sec-no { font-family: var(--skillet-mono); font-size: 10.5px; color: var(--skillet-patina); border: 1px solid var(--skillet-patina); padding: 0 4px; }
.log-subhead { font-family: var(--skillet-grotesk); font-size: .98rem; margin: 1.1em 0 .4em; }
.log-sec ul, .log-sec ol { padding-left: 20px; }
.log-sec li { margin-bottom: 6px; }
.var-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 10px; }
.var-col { border: var(--skillet-rule); padding: 10px 12px; background: #FAFBFB; }
.var-col h3 { font-size: 10.6px; letter-spacing: .14em; text-transform: uppercase; color: var(--skillet-flux); margin-bottom: 6px; }
.var-col ul { margin: 0; padding-left: 16px; font-size: 12.4px; }
.hypo { background: #F6F0DE; border-left: 4px solid var(--skillet-patina); padding: 8px 12px; font-size: 12.6px; margin: 0; }
.step-lane { list-style: none; padding: 0; counter-reset: searstep; }
.step-lane li { counter-increment: searstep; position: relative; padding-left: 42px; margin-bottom: 11px; }
.step-lane li::before {
  content: counter(searstep, decimal-leading-zero);
  position: absolute; left: 0; top: 1px;
  font-family: var(--skillet-mono); font-size: 11px; font-weight: 600;
  color: var(--skillet-season); background: var(--skillet-iron); padding: 1px 5px;
}
.obs-list { list-style: none; padding-left: 0; }
.obs-list li { border-left: 3px solid var(--skillet-ash); padding-left: 11px; }
.measure-wrap { margin-top: 14px; border: 1.5px solid var(--skillet-iron); }
.measure-cap { margin: 0; padding: 4px 10px; background: var(--skillet-iron); color: var(--skillet-season); font-family: var(--skillet-grotesk); font-size: 10.4px; letter-spacing: .16em; text-transform: uppercase; }
.measure-table { width: 100%; border-collapse: collapse; font-size: 12.2px; }
.measure-table th, .measure-table td { border: var(--skillet-rule); padding: 5px 9px; text-align: left; }
.measure-table th { background: #EDEFF1; font-family: var(--skillet-grotesk); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.measure-table tr:nth-child(even) td { background: #FAFBFB; }

.stick-gauge { display: inline-flex; gap: 2px; vertical-align: middle; }
.stick-gauge i { width: 9px; height: 12px; border: 1px solid var(--skillet-flux); display: block; }
.stick-gauge i.on { background: var(--skillet-patina); border-color: var(--skillet-iron); }

.term-strip, .related-strip { border-top: 2px solid var(--skillet-iron); padding-top: 14px; margin-top: 28px; }
.term-strip h2, .related-strip h2 { font-size: 10.8px; letter-spacing: .17em; text-transform: uppercase; }
.term-strip ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.term-strip li { border-left: 3px solid var(--skillet-patina); padding-left: 11px; font-size: 12.4px; }

/* --------------------------------------------------------------- care hub */
.care-block { border: 1.5px solid var(--skillet-iron); background: var(--skillet-plate); padding: 14px 18px 18px; margin-bottom: 18px; }
.care-block h2 { border-bottom: 1px dashed var(--skillet-flux); padding-bottom: 6px; }
.care-empty { color: #8A5B10; font-size: 12.4px; margin: 0; }

/* --------------------------------------------------------------- glossary */
.term-pairs dl { display: grid; grid-template-columns: minmax(200px, 1fr) 2fr; gap: 0; border-top: 1.5px solid var(--skillet-iron); }
.term-pairs dt { border-bottom: var(--skillet-rule); padding: 10px 14px 10px 0; font-family: var(--skillet-grotesk); font-weight: 600; font-size: 1rem; }
.term-pairs dt a { border: 0; color: var(--skillet-iron); }
.term-pairs dd { border-bottom: var(--skillet-rule); margin: 0; padding: 10px 0; font-size: 12.4px; }
.term-alt { display: block; font-size: 11.4px; color: var(--skillet-flux); font-family: var(--skillet-mono); font-weight: 400; }
.term-entry { max-width: 74ch; }
.term-alt-line { font-size: 12.5px; color: var(--skillet-flux); text-transform: none; }
.term-def { border-left: 3px solid var(--skillet-steel); padding-left: 14px; margin-bottom: 22px; }

/* ------------------------------------------------------------- documents */
.doc-sheet { max-width: 76ch; background: var(--skillet-plate); border: 1.5px solid var(--skillet-iron); border-top: 4px solid var(--skillet-patina); padding: 26px 30px 30px; }
.doc-sheet h2 { font-size: 1.06rem; letter-spacing: .02em; margin-top: 1.6em; border-bottom: var(--skillet-rule); padding-bottom: 4px; }
.doc-sheet ul { padding-left: 20px; }
.doc-sheet li { margin-bottom: 6px; }
.legal-stamp { font-family: var(--skillet-grotesk); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--skillet-flux); border: 1px solid var(--skillet-ash); display: inline-block; padding: 3px 10px; }

/* ----------------------------------------------------------------- footer */
.ledger-foot { border-top: 3px solid var(--skillet-iron); background: #E9EBEE; padding: 22px 30px 34px; }
.foot-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: baseline; }
.foot-brand { font-family: var(--skillet-grotesk); font-weight: 600; letter-spacing: .06em; margin: 0; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.2px; }
.foot-fine { font-size: 11.6px; color: #5C6166; max-width: 92ch; margin: 10px 0 0; }

/* ------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .log-grid { grid-template-columns: minmax(0, 1fr); }
  .probe-note { position: static; }
  .probe-note.left { border-left: 0; border-top: 3px solid var(--skillet-steel); padding: 12px 0 0; }
  .probe-note.right { border-right: 0; border-top: 3px solid var(--skillet-patina); padding: 12px 0 0; }
  .note-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0 18px; }
}
@media (max-width: 900px) {
  .bench-shell { grid-template-columns: minmax(0, 1fr); }
  .dial-rail { position: static; max-height: none; border-right: 0; border-bottom: 3px solid var(--skillet-iron); }
  .dial-group { display: inline-block; vertical-align: top; margin-right: 18px; min-width: 180px; }
  .work-area { padding: 20px 16px 44px; }
  .probe-search input { width: 150px; }
  .var-pair { grid-template-columns: 1fr; }
  .term-pairs dl { grid-template-columns: 1fr; }
  .term-pairs dd { padding-top: 0; border-bottom: 0; }
  .term-pairs dt { border-bottom: 0; padding-bottom: 0; }
  .card-meters { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .crucible-head { flex-wrap: wrap; height: auto; padding: 10px 14px; gap: 10px; }
  .probe-search { margin-left: 0; width: 100%; }
  .probe-search input { flex: 1; width: auto; }
  .log-head h1 { font-size: 1.5rem; }
  h1 { font-size: 1.4rem; }
}

@media print {
  .dial-rail, .crucible-head, .ledger-foot, .probe-note.right { display: none; }
  body { background: #fff; }
  .log-grid { grid-template-columns: 1fr; }
}