/* World Vitals — tokens must match config/palette.json (tested). */
:root {
  --tile: #1F2119;
  --tube: #D6D1B1;
  --tube-low: #A6A084;
  --paper: #CDC2A2;
  --ink: #2B2519;
  --ink-faded: #4A4536;
  --stable: #8EA35B;
  --caution: #C68A2E;
  --danger-light: #E0705A;
  --stable-ink: #384D1C;
  --caution-ink: #663D0B;
  --danger-ink: #8A2C20;

  --type: 'Courier Prime', 'Courier New', monospace;
  --crate: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --stamp: 'Big Shoulders Stencil Display', 'Arial Narrow', sans-serif;

  --s-14: 0.875rem;
  --s-16: 1rem;
  --s-21: 1.3125rem;
  --s-28: 1.75rem;
  --s-44: 2.75rem;
  --s-96: 6rem;

  --gutter: clamp(16px, 4vw, 40px);
  --measure: 66ch;
  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--tile);
  color: var(--tube);
  font: 400 var(--s-16) / 1.55 var(--type);
  min-height: 100vh;
}

/* Static texture: SVG noise + a dim vignette, painted once. No animation. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 18%, transparent 40%, rgb(10 11 7 / 0.55) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.84 0 0 0 0 0.82 0 0 0 0 0.69 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--caution);
  outline-offset: 3px;
}
.paper :focus-visible { outline-color: var(--ink); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--paper);
  color: var(--ink);
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus { top: 8px; }

/* ---------- Header ---------- */

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--tube-low);
}
.masthead__name {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font: 800 var(--s-28) / 1 var(--crate);
  letter-spacing: 0.01em;
}
.masthead__name svg { width: 40px; height: 40px; flex: none; }
.masthead__tagline { margin: 4px 0 0 52px; font-size: var(--s-14); color: var(--tube-low); }
.masthead__time { color: var(--tube-low); font-size: var(--s-14); text-align: right; }

/* ---------- Monitor (hero) ---------- */

.monitor {
  margin: 28px 0 0;
  border: 2px solid var(--tube-low);
  padding: 20px clamp(16px, 3vw, 28px) 24px;
  background: rgb(14 16 11 / 0.55);
}
.monitor__trace {
  display: block;
  width: 100%;
  height: clamp(120px, 20vw, 200px);
}
.monitor__trace .grid { stroke: var(--tube-low); stroke-opacity: 0.18; stroke-width: 1; }
.monitor__trace .beat { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.monitor__readout {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 8px 32px;
  margin-top: 12px;
}
.monitor__state {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
  font: 800 clamp(3.25rem, 11vw, var(--s-96)) / 0.9 var(--crate);
  letter-spacing: 0.02em;
}
.monitor__state svg { width: 0.5em; height: 0.5em; flex: none; }
.monitor__figures { margin: 0; text-align: right; }
.monitor__figures div { display: flex; justify-content: flex-end; align-items: baseline; gap: 10px; }
.monitor__figures dt { color: var(--tube-low); font-size: var(--s-14); }
.monitor__figures dd { margin: 0; font: 800 var(--s-28) / 1.2 var(--crate); }
.monitor__note { grid-column: 1 / -1; margin: 6px 0 0; color: var(--tube-low); font-size: var(--s-14); }

.is-stable { color: var(--stable); }
.is-caution { color: var(--caution); }
.is-danger { color: var(--danger-light); }

/* ---------- Inventory ---------- */

.inventory {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.item { display: flex; flex-direction: column; gap: 8px; }
.item__box {
  position: relative;
  aspect-ratio: 1;
  border: 2px solid var(--tube-low);
  background: rgb(14 16 11 / 0.45);
  display: grid;
  place-items: center;
}
.item__box svg { width: 42%; height: 42%; color: var(--tube-low); }
.item__qty {
  position: absolute;
  right: 8px;
  bottom: 4px;
  font: 800 var(--s-28) / 1 var(--crate);
  color: var(--tube);
}
.item__qty.is-stable { color: var(--stable); }
.item__qty.is-caution { color: var(--caution); }
.item__qty.is-danger { color: var(--danger-light); }
.item__label { margin: 0; font-size: var(--s-14); line-height: 1.35; color: var(--tube); }
.item__label span { display: block; color: var(--tube-low); }

/* ---------- Records: save-slot list + dossier ---------- */

.records {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  column-gap: 32px;
  align-items: start;
  margin: 40px 0 0;
}
.records__title {
  grid-column: 1;
  margin: 0 0 12px;
  font: 800 var(--s-21) / 1.2 var(--crate);
  color: var(--tube-low);
}
.slot {
  grid-column: 1;
  display: block;
  width: 100%;
  margin: 0 0 8px;
  padding: 10px 12px 10px 28px;
  border: 1px solid var(--tube-low);
  background: transparent;
  color: var(--tube);
  font: inherit;
  text-align: left;
  cursor: pointer;
  position: relative;
}
.slot[aria-expanded='true'] { background: var(--tube); color: var(--tile); border-color: var(--tube); }
.slot[aria-expanded='true']::before {
  content: '';
  position: absolute;
  left: 10px; top: 17px;
  border: 6px solid transparent;
  border-left-color: currentColor;
}
.slot__name { display: block; font: 800 var(--s-21) / 1.15 var(--crate); }
.slot__meta { display: block; font-size: var(--s-14); }

.dossier {
  grid-column: 2;
  grid-row: 1 / span 20;
}
.dossier[hidden] { display: none; }

/* ---------- Paper ---------- */

.paper {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: clamp(20px, 4vw, 44px) clamp(18px, 4vw, 48px) 28px;
}
.paper a { color: var(--ink); }

.tab {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 0 -1px;
  padding: 8px 16px 6px;
  background: var(--paper);
  color: var(--ink);
}
.tab h2 { margin: 0; font: 800 var(--s-28) / 1.1 var(--crate); }
.tab time { font-size: var(--s-14); color: var(--ink-faded); }

.stamp {
  position: absolute;
  top: clamp(14px, 3vw, 28px);
  right: clamp(14px, 3vw, 28px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 2px;
  border: 3px solid currentColor;
  font: 800 var(--s-21) / 1.2 var(--stamp);
  letter-spacing: 0.06em;
  transform: rotate(-4deg);
}
.stamp svg { width: 0.8em; height: 0.8em; }
.stamp--stable { color: var(--stable-ink); }
.stamp--caution { color: var(--caution-ink); }
.stamp--danger { color: var(--danger-ink); }
.stamp--stale { color: var(--ink); border-style: dashed; }

.paper h3 {
  margin: 32px 0 8px;
  font: 800 var(--s-21) / 1.2 var(--crate);
}
.paper > h3:first-of-type { margin-top: 8px; }
.paper p, .paper li { max-width: var(--measure); }
.lede { font-size: var(--s-21); line-height: 1.45; margin: 4px 0 0; max-width: 30ch; padding-right: 9rem; }
.faded { color: var(--ink-faded); }
.small { font-size: var(--s-14); }
.danger-value { color: var(--danger-ink); font-weight: 700; }

.figure { margin: 12px 0 0; }
.figure svg { display: block; width: 100%; height: auto; overflow: visible; }
.figure svg.map { overflow: hidden; }
.figure figcaption { margin-top: 6px; font-size: var(--s-14); color: var(--ink-faded); max-width: var(--measure); }
.chart text { font: 400 11px var(--type); fill: var(--ink-faded); }
.chart .axis { stroke: var(--ink-faded); stroke-width: 1; }
.chart .gridline { stroke: var(--ink-faded); stroke-opacity: 0.25; }
.chart .line { fill: none; stroke: var(--ink); stroke-width: 2; }
.chart .bar { fill: var(--ink); }
.chart .bar.over { fill: var(--danger-ink); }
.chart .label { fill: var(--ink); font-weight: 700; }

.map .land { fill: var(--ink); fill-opacity: 0.1; stroke: var(--ink-faded); stroke-width: 0.35; }
.map .dot { fill: var(--ink); fill-opacity: 0.55; stroke: var(--ink); stroke-width: 0.3; }
.map .dot.over { fill: var(--danger-ink); stroke: var(--danger-ink); fill-opacity: 0.75; }
.map .cross { stroke: var(--caution-ink); stroke-width: 0.9; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 32px; }

.list { list-style: none; padding: 0; margin: 8px 0 0; }
.list li { padding: 8px 0; border-top: 1px dashed var(--ink-faded); }
.list li:first-child { border-top: 0; }
.list .meta { display: block; font-size: var(--s-14); color: var(--ink-faded); }
ol.seq { padding-left: 2.2em; margin: 8px 0 0; }
ol.seq li { padding: 6px 0; }

table.data { border-collapse: collapse; width: 100%; max-width: 32rem; margin-top: 8px; font-size: var(--s-14); }
table.data th, table.data td { text-align: left; padding: 5px 8px 5px 0; border-bottom: 1px dashed var(--ink-faded); }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }

.unverified {
  display: inline-block;
  padding: 0 6px;
  border: 1px dashed var(--ink);
  font-size: var(--s-14);
  white-space: nowrap;
}

.side { border-left: 3px solid var(--ink); padding: 2px 0 2px 14px; }

.notice {
  margin: 12px 0 0;
  padding: 10px 14px;
  border: 1px dashed var(--ink-faded);
  max-width: var(--measure);
}

.big-number { font: 800 var(--s-44) / 1 var(--crate); }

.ai-label {
  display: inline-block;
  padding: 1px 8px;
  border: 2px solid var(--ink);
  font: 800 var(--s-14) / 1.4 var(--crate);
  letter-spacing: 0.04em;
}

.health { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--ink-faded); padding-top: 12px; font-size: var(--s-14); }
.health li { display: grid; grid-template-columns: 10px auto minmax(0, 1fr); align-items: baseline; gap: 4px 8px; padding: 2px 0; }
.health svg { width: 10px; height: 10px; align-self: center; }
.health .h-name { font-weight: 700; }
.colophon { margin: 8px 0 0; font-size: var(--s-14); color: var(--ink-faded); max-width: var(--measure); }

/* ---------- Footer ---------- */

.footer {
  margin: 56px 0 0;
  padding: 20px 0 40px;
  border-top: 1px solid var(--tube-low);
  color: var(--tube-low);
  font-size: var(--s-14);
}
.footer h2 { margin: 0 0 8px; font: 800 var(--s-21) / 1.2 var(--crate); color: var(--tube); }
.footer ul { margin: 0; padding: 0; list-style: none; columns: 2 22rem; column-gap: 32px; }
.footer li { break-inside: avoid; padding: 3px 0; }
.footer a { color: var(--tube); }

/* ---------- Method page ---------- */

.method { max-width: 52rem; margin: 32px 0 0; }
.method__h { margin: 28px 0 8px; font: 800 var(--s-28) / 1.1 var(--crate); }
.method .paper h2 { margin: 0 0 8px; font: 800 var(--s-44) / 1 var(--crate); }

/* ---------- Narrow screens: stacked save list, dossier opens under its slot ---------- */

@media (max-width: 960px) {
  .inventory { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .records { grid-template-columns: minmax(0, 1fr); }
  .records__title, .slot, .dossier { grid-column: 1; }
  .dossier { grid-row: auto; margin: 0 0 16px; }
  .two-col { grid-template-columns: minmax(0, 1fr); }
  /* The open slot already names the dossier; keep the heading for screen readers only. */
  .tab h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .tab { padding: 6px 12px 4px; }
}

@media (max-width: 560px) {
  .monitor__readout { grid-template-columns: minmax(0, 1fr); }
  .monitor__figures { text-align: left; }
  .monitor__figures div { justify-content: flex-start; }
  .masthead__time { max-width: 9rem; }
  .lede { padding-right: 0; padding-top: 44px; font-size: var(--s-16); }
  .item__qty { font-size: var(--s-21); right: 6px; }
  .stamp { font-size: var(--s-16); }
}

/* Very narrow phones: long English words ("earthquakes") need wider boxes,
   and the update time moves under the name instead of squeezing beside it. */
@media (max-width: 400px) {
  .inventory { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .masthead { flex-wrap: wrap; row-gap: 8px; }
  .masthead__time { max-width: none; margin: 0 0 0 52px; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}

@media print {
  body::before { display: none; }
  .monitor__trace { display: none; }
}