/* underpaint.css — Underlayer Studio (mindart.top)
   Oilcloth-and-rule design system. Tokens are prefixed --pigment-; layout is a
   single printed column, a two-column entry sheet, and a hoverable margin-note
   rail. No cards, no shadows, no rounded corners, no hover lift. */

:root {
  --pigment-lead: #EFEAE1;
  --pigment-lead-warm: #E7DFD2;
  --pigment-rule: #C9BFAE;
  --pigment-umber: #6B4A2F;
  --pigment-umber-soft: #9A7A57;
  --pigment-cadmium: #C0392B;
  --pigment-glaze: #1F3B47;
  --pigment-glaze-soft: #47606B;
  --pigment-paper: #F6F2EA;
  --kiln-measure: 68rem;
  --kiln-body-measure: 34rem;
  --kiln-line: 1.48;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body.kiln-body {
  margin: 0;
  color: var(--pigment-glaze);
  background-color: var(--pigment-lead);
  background-image:
    repeating-linear-gradient(0deg, rgba(107, 74, 47, 0.045) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(31, 59, 71, 0.035) 0 1px, transparent 1px 4px);
  font-family: "Source Serif 4", Georgia, "Songti SC", serif;
  font-size: 17px;
  line-height: var(--kiln-line);
  font-variant-numeric: oldstyle-nums;
}

.kiln-visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.kiln-skip {
  position: absolute; left: -999px; top: 0; background: var(--pigment-glaze);
  color: var(--pigment-lead); padding: 8px 14px; z-index: 40;
}
.kiln-skip:focus { left: 0; }

a { color: var(--pigment-umber); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--pigment-cadmium); }

h1, h2, h3, .kiln-mark-text {
  font-family: "Playfair Display", Georgia, "Songti SC", serif;
  font-weight: 700;
  line-height: 1.16;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(1.85rem, 1.2rem + 2.4vw, 2.9rem); letter-spacing: -0.012em; }
h2 { font-size: clamp(1.22rem, 1.05rem + 0.7vw, 1.55rem); margin-top: 1.9em; }
h3 { font-size: 1.06rem; }

p { margin: 0 0 1.05em; }

.kiln-mono, code, .kiln-kbd, time { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 0.82em; letter-spacing: 0.02em; }

/* ---------- rail ---------- */

.kiln-rail {
  display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap;
  max-width: var(--kiln-measure); margin: 0 auto;
  padding: 1.1rem 1.4rem 0.9rem;
  border-bottom: 1px solid var(--pigment-glaze);
}
.kiln-mark { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--pigment-glaze); }
.kiln-mark img { border: 1px solid var(--pigment-glaze); }
.kiln-mark-text { font-size: 1.02rem; letter-spacing: 0.01em; margin: 0; }
.kiln-mark-text em { font-style: normal; color: var(--pigment-cadmium); margin-left: 0.28em; }

.kiln-tabs { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.kiln-tab {
  text-decoration: none; color: var(--pigment-umber);
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.7rem;
  padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.kiln-tab:hover { border-bottom-color: var(--pigment-cadmium); color: var(--pigment-cadmium); }
.kiln-tab[aria-current="true"] { color: var(--pigment-glaze); border-bottom-color: var(--pigment-glaze); }

.kiln-rail-end { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.kiln-palette {
  display: inline-flex; align-items: center; gap: 0.35rem;
  background: transparent; border: 1px solid var(--pigment-rule); color: var(--pigment-glaze);
  padding: 4px 9px; font: inherit; font-size: 0.76rem; cursor: pointer;
}
.kiln-palette:hover { border-color: var(--pigment-cadmium); color: var(--pigment-cadmium); }
.kiln-kbd { border: 1px solid var(--pigment-rule); padding: 0 4px; font-size: 0.66rem; }
.kiln-palette-label { text-transform: uppercase; letter-spacing: 0.12em; margin-left: 0.3rem; }
.kiln-lang { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; text-decoration: none; border-bottom: 1px solid var(--pigment-rule); }

/* ---------- shell ---------- */

.kiln-main { max-width: var(--kiln-measure); margin: 0 auto; padding: 2.4rem 1.4rem 3rem; }

.kiln-kicker {
  text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.68rem;
  color: var(--pigment-cadmium); margin: 0 0 0.9rem;
}
.kiln-live { color: var(--pigment-umber); }

.kiln-masthead { border-bottom: 2px solid var(--pigment-glaze); padding-bottom: 1.6rem; }
.kiln-masthead h1 { max-width: 26ch; }
.kiln-masthead-lede { columns: 2; column-gap: 2.2rem; max-width: 74ch; }
.kiln-masthead-lede p { break-inside: avoid; }

.kiln-keyfigure { margin: 1.8rem 0 0; }
.kiln-keyfigure img { display: block; width: 100%; height: auto; border: 1px solid var(--pigment-glaze); }
.kiln-keyfigure figcaption {
  font-size: 0.82rem; color: var(--pigment-umber); margin-top: 0.5rem; max-width: 62ch;
}

/* ---------- the wall ---------- */

.kiln-wall { margin-top: 2rem; }
.kiln-wall-head {
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.7rem;
  color: var(--pigment-umber); border-bottom: 1px solid var(--pigment-glaze);
  padding-bottom: 0.4rem; margin: 0 0 0.2rem; font-family: inherit; font-weight: 600;
}
.kiln-wall-list { list-style: none; margin: 0; padding: 0; }
.kiln-row { border-bottom: 1px solid var(--pigment-rule); }
.kiln-row-link {
  display: grid; grid-template-columns: 6.4rem minmax(0, 1fr); gap: 0 1.2rem;
  padding: 0.62rem 0; text-decoration: none; color: inherit;
}
.kiln-row-link:hover { background: rgba(192, 57, 43, 0.05); }
.kiln-row-date { grid-row: 1 / span 3; color: var(--pigment-umber-soft); font-family: ui-monospace, Consolas, monospace; font-size: 0.76rem; padding-top: 0.28em; }
.kiln-row-title { font-family: "Playfair Display", Georgia, serif; font-size: 1.12rem; }
.kiln-row-link:hover .kiln-row-title { color: var(--pigment-cadmium); }
.kiln-row-sum { font-size: 0.92rem; color: var(--pigment-glaze-soft); }
.kiln-row-meta { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--pigment-umber-soft); }
.kiln-wall-foot { margin-top: 1.1rem; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.74rem; }

/* ---------- index ---------- */

.kiln-index-head { border-bottom: 2px solid var(--pigment-glaze); padding-bottom: 1.1rem; margin-bottom: 1.6rem; }
.kiln-index-lede { max-width: 62ch; }
.kiln-filter { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 0.6rem; }
.kiln-filter a {
  text-decoration: none; text-transform: uppercase; letter-spacing: 0.13em;
  font-size: 0.72rem; border-bottom: 1px solid var(--pigment-rule); padding-bottom: 2px;
}
.kiln-filter a[aria-current="page"] { border-bottom-color: var(--pigment-cadmium); color: var(--pigment-cadmium); }

/* ---------- tables ---------- */

.kiln-table { width: 100%; border-collapse: collapse; margin: 0.6rem 0 1.6rem; font-size: 0.9rem; }
.kiln-table caption {
  text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--pigment-umber); padding-bottom: 0.5rem;
}
.kiln-table th, .kiln-table td {
  text-align: left; padding: 0.5rem 0.7rem 0.5rem 0; vertical-align: top;
  border-bottom: 1px solid var(--pigment-rule);
}
.kiln-table thead th {
  border-bottom: 1px solid var(--pigment-glaze); border-top: 1px solid var(--pigment-glaze);
  font-family: inherit; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--pigment-umber);
}
.kiln-table tbody th { font-weight: 600; }
.kiln-table .kiln-num { font-family: ui-monospace, Consolas, monospace; text-align: right; white-space: nowrap; }
.kiln-swatch-cell { white-space: nowrap; }
.kiln-swatch { display: inline-block; width: 1.05rem; height: 1.05rem; border: 1px solid var(--pigment-glaze); vertical-align: -0.15rem; margin-right: 0.45rem; }

/* ---------- entry sheet ---------- */

.kiln-entry { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 3rem; align-items: start; }
.kiln-entry-body { max-width: var(--kiln-body-measure); }
.kiln-entry-head { border-bottom: 2px solid var(--pigment-glaze); padding-bottom: 1.2rem; margin-bottom: 1.6rem; }
.kiln-entry-lede { font-size: 1.06rem; }
.kiln-stamp { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.9rem 1.4rem; margin: 1.4rem 0 0; }
.kiln-stamp dt { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--pigment-umber-soft); }
.kiln-stamp dd { margin: 0.1rem 0 0; font-size: 0.92rem; }
/* the editorial desk that signs the piece, set apart from the spec fields */
.kiln-stamp-byline dd { font-family: "Playfair Display", Georgia, serif; font-size: 0.98rem; letter-spacing: 0.01em; }

.kiln-strata { margin: 0 0 2rem; }
.kiln-strata img { display: block; width: 100%; height: auto; border: 1px solid var(--pigment-glaze); }
.kiln-strata figcaption { font-size: 0.82rem; color: var(--pigment-umber); margin-top: 0.55rem; }

.kiln-sec { margin-bottom: 1.5rem; }
.kiln-sec h2 { border-bottom: 1px solid var(--pigment-rule); padding-bottom: 0.3rem; }
.kiln-steps ol { padding-left: 1.3rem; }
.kiln-steps li { margin-bottom: 0.5rem; }
.kiln-faq dl { margin: 0; }
.kiln-faq dt { font-weight: 600; margin-top: 1.1rem; }
.kiln-faq dd { margin: 0.3rem 0 0; padding-left: 1rem; border-left: 2px solid var(--pigment-rule); }
.kiln-caveat { border: 1px solid var(--pigment-rule); padding: 1rem 1.2rem; background: var(--pigment-paper); }
.kiln-caveat h2 { margin-top: 0; border: 0; }
.kiln-caveat p { margin-bottom: 0; font-size: 0.88rem; }
.kiln-related ul { list-style: none; padding: 0; }
.kiln-related li { border-bottom: 1px solid var(--pigment-rule); padding: 0.5rem 0; }
.kiln-related .kiln-row-meta { display: block; }

.kiln-chip {
  background: none; border: 0; padding: 0; margin: 0; font: inherit; cursor: help;
  color: inherit; border-bottom: 1px dotted var(--pigment-cadmium);
}
.kiln-chip:hover, .kiln-chip:focus, .kiln-chip[aria-pressed="true"] { color: var(--pigment-cadmium); border-bottom-style: solid; }

/* ---------- margin notes ---------- */

.kiln-margin {
  position: sticky; top: 1.6rem; border-left: 3px solid var(--pigment-glaze);
  padding: 0 0 0 1.1rem; font-size: 0.9rem;
}
.kiln-margin h2 {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.18em;
  font-family: inherit; font-weight: 600; color: var(--pigment-cadmium);
  margin: 0 0 0.4rem; border: 0;
}
.kiln-margin-hint { font-size: 0.76rem; color: var(--pigment-umber-soft); }
.kiln-notes { margin: 0; }
.kiln-note dt { font-weight: 600; margin-top: 0.9rem; }
.kiln-note dd { margin: 0.2rem 0 0; color: var(--pigment-glaze-soft); }
.kiln-note-alt { font-weight: 400; color: var(--pigment-umber-soft); font-size: 0.85em; }
.kiln-margin-foot { border-top: 1px solid var(--pigment-rule); margin-top: 1.2rem; padding-top: 0.7rem; font-size: 0.82rem; }

/* JS switches the rail into swap mode: one note at a time. */
.kiln-notes.kiln-swapping .kiln-note { display: none; }
.kiln-notes.kiln-swapping .kiln-note.kiln-active { display: block; }

/* ---------- standing pages ---------- */

.kiln-standing, .kiln-404 { max-width: 44rem; }
.kiln-standing-head { border-bottom: 2px solid var(--pigment-glaze); padding-bottom: 1.2rem; margin-bottom: 1.8rem; }
.kiln-updated { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--pigment-umber); }
.kiln-standing-foot { border-top: 1px solid var(--pigment-rule); padding-top: 0.9rem; font-size: 0.9rem; }
.kiln-404 { padding-top: 2rem; }
.kiln-404-kicker { font-family: "Playfair Display", Georgia, serif; font-size: 3.4rem; color: var(--pigment-cadmium); margin: 0; line-height: 1; }
.kiln-btn {
  display: inline-block; padding: 0.5rem 1rem; margin-right: 0.6rem;
  border: 1px solid var(--pigment-glaze); text-decoration: none; color: var(--pigment-glaze);
  text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem;
}
.kiln-btn:hover { background: var(--pigment-glaze); color: var(--pigment-lead); }
.kiln-btn-quiet { border-color: var(--pigment-rule); color: var(--pigment-umber); }

/* ---------- footer ---------- */

.kiln-foot { border-top: 2px solid var(--pigment-glaze); margin-top: 2.4rem; background: var(--pigment-lead-warm); }
.kiln-foot-inner {
  max-width: var(--kiln-measure); margin: 0 auto; padding: 1.8rem 1.4rem 1rem;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem;
}
.kiln-foot-brand { font-family: "Playfair Display", Georgia, serif; margin: 0 0 0.5rem; }
.kiln-foot-note { font-size: 0.84rem; color: var(--pigment-glaze-soft); max-width: 46ch; }
.kiln-foot-disclaimer { margin: 0.7rem 0 0; font-size: 0.78rem; }
.kiln-foot-links { list-style: none; margin: 0 0 0.8rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.1rem; }
.kiln-foot-links a { text-transform: uppercase; letter-spacing: 0.11em; font-size: 0.72rem; }
.kiln-foot-rule {
  max-width: var(--kiln-measure); margin: 0 auto; padding: 0.6rem 1.4rem 1.6rem;
  font-size: 0.74rem; color: var(--pigment-umber-soft); border-top: 1px solid var(--pigment-rule);
}

/* ---------- command palette ---------- */

.kiln-palette-shell { position: fixed; inset: 0; background: rgba(31, 59, 71, 0.55); z-index: 50; padding: 6vh 1rem; }
.kiln-palette-shell[hidden] { display: none; }
.kiln-palette-panel {
  max-width: 38rem; margin: 0 auto; background: var(--pigment-paper);
  border: 1px solid var(--pigment-glaze); padding: 1rem;
}
.kiln-palette-field input {
  width: 100%; padding: 0.7rem 0.8rem; font: inherit; font-size: 1rem;
  border: 1px solid var(--pigment-glaze); background: var(--pigment-lead); color: var(--pigment-glaze);
}
.kiln-palette-results { list-style: none; margin: 0.8rem 0 0; padding: 0; max-height: 52vh; overflow-y: auto; }
.kiln-palette-results li { border-bottom: 1px solid var(--pigment-rule); }
.kiln-palette-results a { display: block; padding: 0.5rem 0.2rem; text-decoration: none; color: inherit; }
.kiln-palette-results a span { display: block; font-size: 0.78rem; color: var(--pigment-umber-soft); }
.kiln-palette-results li.kiln-cursor { background: rgba(192, 57, 43, 0.09); }
.kiln-palette-hint { font-size: 0.72rem; color: var(--pigment-umber-soft); margin: 0.7rem 0 0; text-transform: uppercase; letter-spacing: 0.1em; }

/* ---------- narrow ---------- */

@media (max-width: 56rem) {
  .kiln-entry { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .kiln-margin { position: static; border-left-width: 2px; }
  .kiln-masthead-lede { columns: 1; }
  .kiln-foot-inner { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 34rem) {
  body.kiln-body { font-size: 16px; }
  .kiln-row-link { grid-template-columns: minmax(0, 1fr); }
  .kiln-row-date { grid-row: auto; }
  .kiln-table { font-size: 0.82rem; }
  .kiln-table th, .kiln-table td { padding-right: 0.4rem; }
}

@media print {
  .kiln-rail, .kiln-foot, .kiln-palette-shell { display: none; }
  body.kiln-body { background: #fff; }
}