/*
 * ════════════════════════════════════════════════════════════════
 *  Critical Mesh · critical-mesh.css
 *  FEAScript website tokens (dark theme) + a small pixel UI kit
 * ════════════════════════════════════════════════════════════════
 */

/* ─────────────────────────────────────────────────────────────
   TOKENS (FEAScript website, dark theme)
   ───────────────────────────────────────────────────────────── */
:root {
  --bg: #181818;
  --bg-sunken: #222222;
  --bg-raised: #2a2a2e;
  --ink: #e6e3da;
  --ink-strong: #ffffff;
  --muted: #a9a69c;
  --faint: #77756d;
  --line: rgba(255, 255, 255, 0.14);
  --gold: #d4aa00;
  --gold-ink: #e6c230;
  --cream: #f7e7b7;
  --heat: #ff5c8d;
  --heat-deep: #c8003f;
  --flow: #5aa2ec;
  --structure: #2fcf93;
  --outline: #0e0e12;
  --font-body: "Roboto", system-ui, sans-serif;
  --font-mono: "Roboto Mono", ui-monospace, Menlo, monospace;
  --font-pixel: "Silkscreen", "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100%;
}

body {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
}

canvas.px,
.px img {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

button {
  font: inherit;
  color: inherit;
}

.hidden {
  display: none !important;
}

/* ─────────────────────────────────────────────────────────────
   TOP BAR + LOGO
   ───────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 3.4rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(24, 24, 24, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink-strong);
  text-decoration: none;
}

.fea-logo {
  display: flex;
  align-items: center;
  gap: 0.02em;
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.fea-logo > svg {
  width: 0.72em;
  height: 0.72em;
  margin-right: 0.05em;
}

.fea-logo .wm-t {
  display: inline;
  width: 0.3em;
  height: 1.15em;
  margin: 0 0 -0.32em 0.02em;
  vertical-align: -0.16em;
}

.brand-sep {
  width: 1px;
  height: 1.4rem;
  background: var(--line);
}

.brand-game {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
  color: var(--gold-ink);
  letter-spacing: 0.04em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chip {
  font-family: var(--font-pixel);
  font-size: 0.72rem;
  padding: 0.25rem 0.55rem;
  border: 2px solid var(--outline);
  background: var(--bg-raised);
  color: var(--muted);
  box-shadow: 2px 2px 0 var(--outline);
}

.icon-btn {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  background: var(--bg-raised);
  border: 2px solid var(--outline);
  box-shadow: 2px 2px 0 var(--outline);
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  color: var(--ink);
}

a.icon-btn {
  text-decoration: none;
}

.icon-btn:hover {
  color: var(--gold-ink);
}

/* ─────────────────────────────────────────────────────────────
   PIXEL UI KIT
   ───────────────────────────────────────────────────────────── */
.px-panel {
  background: var(--bg-sunken);
  border: 3px solid var(--outline);
  box-shadow:
    inset 0 0 0 2px #34343a,
    4px 4px 0 var(--outline);
}

.px-btn {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 0.55rem 0.9rem;
  background: var(--gold);
  color: #1d1d1d;
  border: 3px solid var(--outline);
  box-shadow:
    inset -3px -3px 0 rgba(0, 0, 0, 0.25),
    inset 3px 3px 0 rgba(255, 255, 255, 0.35),
    3px 3px 0 var(--outline);
  cursor: pointer;
  user-select: none;
  transition: filter 0.1s;
  text-align: center;
}

.px-btn:hover:not(:disabled) {
  filter: brightness(1.12);
}

.px-btn:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow:
    inset -3px -3px 0 rgba(0, 0, 0, 0.25),
    inset 3px 3px 0 rgba(255, 255, 255, 0.35),
    1px 1px 0 var(--outline);
}

.px-btn:disabled {
  filter: grayscale(0.85) brightness(0.6);
  cursor: not-allowed;
}

.px-btn.heat {
  background: var(--heat-deep);
  color: #fff;
}

.px-btn.cool {
  background: var(--structure);
}

.px-btn.flow {
  background: var(--flow);
}

.px-btn.dark {
  background: #3a3a40;
  color: var(--ink);
}

.px-btn.small {
  font-size: 0.75rem;
  padding: 0.35rem 0.6rem;
}

.px-title {
  font-family: var(--font-pixel);
  color: var(--gold-ink);
  letter-spacing: 0.04em;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.8em;
  padding: 0 0.3em;
  border: 1px solid var(--faint);
  border-bottom-width: 2px;
  color: var(--muted);
}

/* ─────────────────────────────────────────────────────────────
   SCREENS
   ───────────────────────────────────────────────────────────── */
.screen {
  display: none;
  min-height: calc(100vh - 3.4rem);
  position: relative;
}

.screen.active {
  display: block;
}

/* Title */
#scr-title {
  overflow: hidden;
}

#titleBg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(1.1);
}

.title-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(24, 24, 24, 0.35) 0%, rgba(24, 24, 24, 0.92) 75%);
}

.title-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  padding: 3vh 1rem 2rem;
  text-align: center;
}

.presents {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.presents .fea-logo {
  font-size: 1.35rem;
  color: var(--ink-strong);
  text-transform: none;
  letter-spacing: -0.01em;
}

#titleLogo {
  width: min(92vw, 640px);
  height: auto;
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.5));
}

.tagline {
  max-width: 38rem;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.55;
}

.tagline b {
  color: var(--gold-ink);
  font-weight: 500;
}

.menu {
  display: grid;
  gap: 0.7rem;
  width: min(92vw, 22rem);
}

.menu .px-btn {
  font-size: 1.05rem;
  padding: 0.7rem;
}

.seg {
  display: flex;
  gap: 0;
  border: 3px solid var(--outline);
  box-shadow: 3px 3px 0 var(--outline);
}

.seg button {
  flex: 1;
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  padding: 0.45rem 0.3rem;
  background: #2f2f35;
  color: var(--muted);
  border: 0;
  border-right: 2px solid var(--outline);
  cursor: pointer;
}

.seg button:last-child {
  border-right: 0;
}

.seg button.on {
  background: var(--cream);
  color: #1d1d1d;
}

.seg-label {
  font-family: var(--font-pixel);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: left;
  margin-bottom: -0.35rem;
}

.terminal {
  width: min(92vw, 36rem);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: #9fe8c8;
  background: rgba(10, 16, 13, 0.88);
  padding: 0.6rem 0.8rem;
  min-height: 7.2rem;
}

.terminal .ok {
  color: var(--structure);
}

.terminal .err {
  color: var(--heat);
}

.terminal .dim {
  color: #5f8f7a;
}

.credits-line {
  color: var(--faint);
  font-size: 0.78rem;
}

.credits-line a {
  color: var(--muted);
}

/* Campaign map */
.map-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.6rem 1rem 2.5rem;
}

.map-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.map-head h2 {
  font-size: 1.6rem;
}

.map-head p {
  color: var(--muted);
  max-width: 40rem;
  margin-top: 0.3rem;
  line-height: 1.5;
}

/* Four cards per row; a short last row is centred */
.chapters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.1rem;
}

.chapters > * {
  flex: 0 1 calc(25% - 0.825rem);
  min-width: 240px;
}

@media (max-width: 560px) {
  .chapters > * {
    flex-basis: 100%;
  }
}

.chapter {
  text-align: left;
  cursor: pointer;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  position: relative;
  transition: transform 0.08s;
}

.chapter:hover:not(.locked) {
  transform: translate(-2px, -2px);
}

.chapter .num {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--muted);
}

.chapter .name {
  font-family: var(--font-pixel);
  font-size: 1.15rem;
  color: var(--cream);
}

.chapter .desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
  min-height: 2.5em;
}

.chapter .thumb {
  width: 100%;
  height: auto;
  border: 2px solid var(--outline);
  background: #101014;
}

.chapter .stars {
  display: flex;
  gap: 4px;
}

.chapter .stars canvas {
  width: 21px;
  height: 21px;
}

.chapter.locked {
  cursor: not-allowed;
  filter: grayscale(1) brightness(0.55);
}

.chapter.locked::after {
  content: "LOCKED";
  position: absolute;
  bottom: 0.9rem;
  right: 0.9rem;
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--ink);
}

.chapter.current {
  box-shadow:
    inset 0 0 0 2px var(--gold),
    4px 4px 0 var(--outline);
}

/* Story */
#scr-story {
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
}

#scr-story.active {
  display: flex;
}

#storyBg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.story-chapter {
  position: absolute;
  top: 8vh;
  left: 0;
  right: 0;
  text-align: center;
  pointer-events: none;
}

.story-chapter .kicker {
  font-family: var(--font-pixel);
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.story-chapter h2 {
  font-family: var(--font-pixel);
  color: var(--cream);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  text-shadow: 4px 4px 0 var(--outline);
  margin-top: 0.4rem;
}

.dialog {
  position: relative;
  width: min(960px, 100%);
  display: flex;
  gap: 1rem;
  padding: 1rem;
  margin-bottom: 4vh;
  cursor: pointer;
  user-select: none;
}

.dialog .portrait-box {
  flex: 0 0 auto;
  width: 112px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

#portrait {
  width: 96px;
  height: 96px;
  border: 3px solid var(--outline);
  background: #2b2f3a;
}

.dialog .who {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  color: var(--gold-ink);
  text-align: center;
}

.dialog .who small {
  display: block;
  color: var(--faint);
  font-size: 0.66rem;
}

.dialog .text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  line-height: 1.65;
  min-height: 6.6em;
  color: var(--ink);
  white-space: pre-wrap;
}

.dialog .text.mesh {
  color: #9fe8c8;
  letter-spacing: 0.02em;
}

.dialog .text.narr {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.12rem;
  color: var(--cream);
}

.dialog .hint {
  position: absolute;
  right: 1rem;
  bottom: 0.55rem;
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--faint);
  animation: blink 1s steps(2) infinite;
}

.story-skip {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Game */
.game {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
  max-width: 1500px;
  margin: 0 auto;
}

.stage {
  flex: 1 1 640px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.stage-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.4rem 1rem;
}

.stage-head .lvl {
  font-family: var(--font-pixel);
  font-size: 1.2rem;
  color: var(--cream);
}

.stage-head .lvl small {
  color: var(--muted);
  font-size: 0.8rem;
  margin-right: 0.5rem;
}

.stage-head .objective {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

.stage-head .objective b {
  color: var(--gold-ink);
  font-weight: 500;
}

.board-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 10px;
  background: #101014;
}

#board {
  display: block;
  cursor: crosshair;
  touch-action: manipulation;
}

.banner {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%) scale(1);
  font-family: var(--font-pixel);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.6vw, 3.4rem);
  color: var(--cream);
  text-shadow:
    4px 4px 0 var(--outline),
    -2px -2px 0 var(--outline),
    2px -2px 0 var(--outline),
    -2px 2px 0 var(--outline);
  pointer-events: none;
  white-space: nowrap;
  opacity: 0;
}

.banner.show {
  animation: bannerPop 1.6s ease-out forwards;
}

.banner.stay {
  animation: bannerStay 0.4s ease-out forwards;
}

.banner.heat {
  color: var(--heat);
}

.banner.gold {
  color: var(--gold-ink);
}

.banner.flow {
  color: var(--flow);
}

.banner.green {
  color: var(--structure);
}

@keyframes bannerPop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.6);
  }
  12% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.08);
  }
  22% {
    transform: translate(-50%, -50%) scale(1);
  }
  75% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -62%) scale(1);
  }
}

@keyframes bannerStay {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.6);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.msg-bar {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.7rem 0.9rem;
  min-height: 3.6rem;
}

.msg-bar canvas {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 2px solid var(--outline);
  background: #2b2f3a;
}

#msg {
  font-size: 0.95rem;
  line-height: 1.5;
}

#msg b {
  color: var(--gold-ink);
  font-weight: 500;
}

#msg .hot {
  color: var(--heat);
}

#msg .cool {
  color: var(--flow);
}

.log {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.5;
  color: #7fc8a8;
  background: rgba(10, 16, 13, 0.9);
  padding: 0.5rem 0.7rem;
  height: 6.3rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.log div {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.log .warn {
  color: #f7c531;
}

.log .bad {
  color: var(--heat);
}

/* HUD */
.hud {
  flex: 0 1 330px;
  width: 330px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hud section {
  padding: 0.8rem 0.9rem;
}

.hud h3 {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.dice-row {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

#die {
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
}

.dice-info {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}

.dice-info b {
  color: var(--cream);
  font-weight: 500;
  font-size: 1.05rem;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.22rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  color: var(--muted);
}

.stat b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--ink-strong);
}

.stat b.hot {
  color: var(--heat);
}

.stat b.warm {
  color: #f7a21b;
}

.stat b.good {
  color: var(--structure);
}

#gauge {
  width: 100%;
  height: 26px;
  margin: 0.45rem 0 0.35rem;
  display: block;
}

/* Output gauge: star groups sit above their tick on the bar */
.out-gauge {
  margin-top: 0.2rem;
}

.out-stars {
  position: relative;
  height: 26px;
  margin: 0 3px;
}

.out-stars span {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  line-height: 1;
  color: var(--faint);
}

.out-stars .row {
  display: flex;
  gap: 1px;
}

.out-stars b {
  margin-top: 2px;
  font-weight: 400;
}

.out-stars span.on {
  color: var(--gold-ink);
}

.out-stars canvas {
  width: 11px;
  height: 11px;
}

#outBar {
  width: 100%;
  height: 26px;
  margin: 0.2rem 0 0.35rem;
  display: block;
}

.gauge-scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--faint);
  margin-bottom: 0.3rem;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

/* Title screen: the odd third button gets its own centred row */
#btnNotes {
  grid-column: 1 / -1;
  justify-self: center;
  width: calc(50% - 0.275rem);
}

.actions .wide {
  grid-column: 1 / -1;
  font-size: 1.1rem;
  padding: 0.7rem;
}

.tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.tool {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.45rem;
  background: #2f2f35;
  border: 2px solid var(--outline);
  box-shadow: 2px 2px 0 var(--outline);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--ink);
  line-height: 1.15;
}

.tool canvas {
  width: 33px;
  height: 33px;
  flex: 0 0 auto;
}

.tool .cnt {
  color: var(--gold-ink);
  display: block;
  font-size: 0.75rem;
}

.tool:hover:not(:disabled) {
  background: #3a3a42;
}

.tool.armed {
  background: var(--cream);
  color: #1d1d1d;
}

.tool.armed .cnt {
  color: #8f7200;
}

.tool:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tool-help {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--faint);
  line-height: 1.4;
}

.manual {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.manual input {
  width: 4.2em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.25rem 0.3rem;
  background: #111;
  color: var(--ink);
  border: 2px solid var(--outline);
}

.toggles {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.alarm {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 0.4rem;
  border: 2px solid var(--outline);
  background: #3a3a40;
  vertical-align: -1px;
}

.alarm.warm {
  background: #f7a21b;
}

.alarm.hot {
  background: var(--heat);
  animation: blink 0.5s steps(2) infinite;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 12, 0.72);
  padding: 1rem;
}

.modal.open {
  display: flex;
}

.modal-card {
  width: min(560px, 100%);
  max-height: 92vh;
  overflow: auto;
  padding: 1.4rem 1.5rem 1.3rem;
  text-align: center;
  animation: cardIn 0.25s steps(4);
}

@keyframes cardIn {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.modal-card h2 {
  font-family: var(--font-pixel);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  text-shadow: 3px 3px 0 var(--outline);
  margin-bottom: 0.4rem;
}

.modal-card h2.heat {
  color: var(--heat);
}

.modal-card h2.gold {
  color: var(--gold-ink);
}

.modal-card h2.green {
  color: var(--structure);
}

.modal-card h2.cream {
  color: var(--cream);
}

.modal-card p {
  line-height: 1.55;
  margin: 0.6rem 0;
  color: var(--ink);
}

.modal-card .quote {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  text-align: left;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.6rem;
  margin: 0.8rem 0;
}

.modal-card .quote canvas {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 2px solid var(--outline);
  background: #2b2f3a;
}

.modal-card .quote div {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.5;
}

.modal-card .quote small {
  display: block;
  font-family: var(--font-pixel);
  color: var(--gold-ink);
  margin-bottom: 0.15rem;
}

.big-stars {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 0.6rem 0;
}

.big-stars canvas {
  width: 49px;
  height: 49px;
}

.big-stars canvas.pop {
  animation: starPop 0.45s steps(5) both;
}

@keyframes starPop {
  from {
    transform: scale(2.2) rotate(-20deg);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1.2rem;
  text-align: left;
  margin: 0.8rem 0;
  font-size: 0.88rem;
}

.stats-grid div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

.stats-grid b {
  font-family: var(--font-mono);
  color: var(--ink-strong);
  font-weight: 500;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1rem;
}

.brief-list {
  text-align: left;
  list-style: none;
  margin: 0.8rem 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.brief-list li {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.brief-list li::before {
  content: "▶";
  color: var(--gold);
  font-size: 0.7em;
}

.brief-list b {
  color: var(--gold-ink);
  font-weight: 500;
}

.help-body {
  text-align: left;
  line-height: 1.55;
  font-size: 0.92rem;
}

.help-body h4 {
  font-family: var(--font-pixel);
  color: var(--gold-ink);
  font-weight: 400;
  margin: 0.9rem 0 0.2rem;
}

.help-body p {
  margin: 0.3rem 0;
}

.help-body code {
  font-family: var(--font-mono);
  color: var(--cream);
  font-size: 0.9em;
}

table.scores {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  margin: 0.6rem 0;
}

table.scores th {
  font-family: var(--font-pixel);
  font-weight: 400;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: left;
  border-bottom: 2px solid var(--outline);
  padding: 0.25rem 0.3rem;
}

table.scores td {
  padding: 0.22rem 0.3rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  text-align: left;
}

table.scores tr.me td {
  color: var(--gold-ink);
}

.initials {
  font-family: var(--font-pixel);
  font-size: 1.6rem;
  width: 6.5ch;
  text-align: center;
  text-transform: uppercase;
  background: #111;
  color: var(--gold-ink);
  border: 3px solid var(--outline);
  padding: 0.2rem;
  letter-spacing: 0.2em;
}

.score-tabs {
  margin: 0.4rem auto 0.2rem;
  max-width: 20rem;
}

.ending-credits {
  font-family: var(--font-mono);
  line-height: 1.8;
  color: var(--muted);
  font-size: 0.9rem;
}

.ending-credits b {
  color: var(--cream);
  font-weight: 500;
}

@media (max-width: 720px) {
  .brand-game,
  .brand-sep {
    display: none;
  }

  .dialog {
    flex-direction: column;
    align-items: center;
  }

  .dialog .text {
    min-height: 8em;
    font-size: 0.95rem;
  }

  .hud {
    width: 100%;
    flex-basis: 100%;
  }
}
    

/* ─────────────────────────────────────────────────────────────
   ADDITIONS: engineer HUD, interludes, story extras
   ───────────────────────────────────────────────────────────── */
.hearts {
  display: flex;
  gap: 6px;
  align-items: center;
}

.hearts canvas {
  width: 21px;
  height: 18px;
}

.suit-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

#suit {
  flex: 1;
  height: 15px;
  min-width: 60px;
}

.suit-row b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--ink-strong);
  min-width: 4.5em;
  text-align: right;
}

.suit-row b.hot {
  color: var(--heat);
}

.dialog .text.news {
  font-family: var(--font-pixel);
  font-size: 1.05rem;
  color: var(--cream);
  letter-spacing: 0.02em;
}

.chapter .phys-name {
  color: var(--phys, var(--muted));
}

.chapter.interlude {
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, var(--phys) 55%, transparent),
    4px 4px 0 var(--outline);
}

.chapter.interlude .name {
  color: var(--phys);
}

.chapter .done-tag {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--structure);
  min-height: 21px;
}

.phys-tag {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--outline);
  background: var(--phys);
  color: #1d1d1d;
  box-shadow: 2px 2px 0 var(--outline);
}

.model-name {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cream);
}

.edge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.6rem;
}

.belt-grid {
  display: grid;
  grid-template-columns: auto 1fr 1fr 1fr;
  gap: 0.35rem 0.4rem;
  align-items: center;
  margin-bottom: 0.6rem;
  font-family: var(--font-pixel);
  font-size: 0.72rem;
  color: var(--muted);
}

.belt-grid .px-btn.small {
  padding: 0.25rem 0.3rem;
}

.lab-actions {
  margin-top: 0.4rem;
}


/* ─────────────────────────────────────────────────────────────
   THE EQUATION (live panel) + FIELD NOTES
   ───────────────────────────────────────────────────────────── */
details.eq-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  list-style: none;
}

details.eq-panel summary:hover {
  color: var(--ink);
}

details.eq-panel summary::-webkit-details-marker {
  display: none;
}

details.eq-panel summary::before {
  content: "▸ ";
  margin-right: 0.3rem;
}

details.eq-panel[open] summary::before {
  content: "▾ ";
}

details.eq-panel summary .eq-more {
  margin-left: auto;
}

.eq-wrap {
  padding: 0.4rem 0.7rem;
}

.lab-eq-body {
  max-width: 34rem;
  padding: 0.4rem 0 0.3rem;
}

.eq-body {
  display: grid;
  grid-template-columns: minmax(200px, 1.1fr) minmax(170px, 1fr) minmax(220px, 1.2fr);
  gap: 0.9rem;
  align-items: start;
  margin-top: 0.5rem;
}

.eq-body .eq-big {
  margin: 0;
}

.eq-body .eq-edges {
  margin-top: 0;
}

@media (max-width: 1000px) {
  .eq-body {
    grid-template-columns: 1fr 1fr;
  }

  .eq-col {
    grid-column: 1 / -1;
  }
}

.eq-more {
  font-family: var(--font-pixel);
  font-size: 0.68rem;
  padding: 0.15rem 0.4rem;
  background: #2a2a30;
  color: var(--cream);
  border: 2px solid var(--outline);
  cursor: pointer;
}

.eq-more:hover {
  background: #3a3a40;
}

.eq-more b {
  font-weight: 400;
  color: var(--gold-ink);
}

.eq-big {
  margin: 0.55rem 0 0.35rem;
  padding: 0.55rem 0.4rem;
  text-align: center;
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--ink-strong);
  background: #141418;
  border: 2px solid var(--outline);
}

.eq-big.small {
  font-size: 0.95rem;
}

.eq sub {
  font-size: 0.65em;
}

.eq-big .op {
  color: var(--muted);
  font-style: normal;
}

.eq-big sub {
  font-size: 0.6em;
}

.eq-big .term,
.eq-probe [data-term],
.eq-edges [data-edge],
.eq-fem [data-edge] {
  cursor: help;
}

.eq-big .term {
  padding: 0 0.08em;
  border-bottom: 2px dotted transparent;
}

.eq-big .term[data-term="k"] {
  color: var(--flow);
}

.eq-big .term[data-term="T"] {
  color: var(--cream);
}

.eq-big .term[data-term="Q"] {
  color: var(--heat);
}

.eq-big .term:hover {
  border-bottom-color: currentColor;
}

.eq-probe {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--faint);
}

.probe-vals {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

.probe-vals span {
  padding: 0.2rem 0.3rem;
  background: #141418;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.probe-vals i {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.9rem;
  margin-right: 0.3rem;
}

.probe-vals [data-term="T"] i {
  color: var(--cream);
}

.probe-vals [data-term="k"] i {
  color: var(--flow);
}

.probe-vals [data-term="Q"] i {
  color: var(--heat);
}

.probe-vals small {
  color: var(--faint);
}

.probe-vals .crack small {
  color: var(--flow);
}

.probe-vals .copper small {
  color: #e8a070;
}

.probe-vals [data-term="Q"].on {
  color: var(--heat);
}

.eq-edges {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink);
}

.eq-edges div {
  display: flex;
  flex-direction: column;
}

.eq-edges i {
  font-style: normal;
  font-family: var(--font-pixel);
  font-size: 0.62rem;
  color: var(--faint);
}

.eq-fem {
  margin-top: 0.5rem;
  padding-top: 0.4rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.eq-fem b {
  color: var(--ink-strong);
  font-weight: 500;
}

.eq-fem [data-edge="fem"] {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--gold-ink);
}

/* A term lights up when the game changes it */
.pulse {
  animation: termPulse 1.4s steps(7);
}

@keyframes termPulse {
  0%,
  28%,
  57% {
    background: var(--heat-deep);
    color: #fff;
    box-shadow: 0 0 0 2px var(--heat-deep);
  }
  14%,
  42%,
  71% {
    background: transparent;
  }
}

.pulse.cool {
  animation-name: termPulseCool;
}

@keyframes termPulseCool {
  0%,
  28%,
  57% {
    background: #2d6fb0;
    color: #fff;
    box-shadow: 0 0 0 2px #2d6fb0;
  }
  14%,
  42%,
  71% {
    background: transparent;
  }
}

.pulse.gold {
  animation-name: termPulseGold;
}

@keyframes termPulseGold {
  0%,
  28%,
  57% {
    background: var(--gold);
    color: #1d1d1d;
    box-shadow: 0 0 0 2px var(--gold);
  }
  14%,
  42%,
  71% {
    background: transparent;
  }
}

/* Toast: a new note, without stopping the game */
.note-toast {
  position: fixed;
  right: 1rem;
  top: 4.2rem;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  max-width: 300px;
  padding: 0.6rem 0.9rem 0.6rem 1.1rem;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  border-left: 8px solid var(--phys, var(--gold));
  transform: translateX(calc(100% + 2rem));
  transition: transform 0.3s steps(5);
}

.note-toast.show {
  transform: none;
}

.note-toast small {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--phys, var(--gold));
  letter-spacing: 0.05em;
}

.note-toast b {
  font-family: var(--font-pixel);
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--ink-strong);
}

.note-toast span {
  font-size: 0.75rem;
  color: var(--faint);
}

/* The Field Notes book */
.modal-card.wide {
  width: min(880px, 100%);
}

.notes-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.notes-sub .notes-face {
  width: 32px;
  height: 32px;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.notes-sub b {
  color: var(--gold-ink);
  font-weight: 500;
}

.notes-book {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0.9rem;
  margin-top: 0.9rem;
  text-align: left;
}

.note-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-height: 62vh;
  overflow: auto;
  padding-right: 0.2rem;
}

.note-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  font-family: var(--font-pixel);
  font-size: 0.72rem;
  text-align: left;
  color: var(--ink);
  background: #1c1c20;
  border: 2px solid var(--outline);
  border-left: 6px solid var(--phys);
  cursor: pointer;
}

.note-tab:hover:not(:disabled) {
  background: #2a2a30;
}

.note-tab.on {
  background: #33333a;
  color: var(--ink-strong);
  box-shadow: inset 0 0 0 1px var(--phys);
}

.note-tab.locked {
  color: var(--faint);
  border-left-color: #3a3a40;
  cursor: not-allowed;
}

.note-page {
  min-height: 300px;
  max-height: 62vh;
  overflow: auto;
  padding: 0.9rem 1rem;
  background: #1c1c20;
  border: 2px solid var(--outline);
  border-top: 6px solid var(--phys, var(--gold));
}

.note-page h4 {
  margin: 0.5rem 0 0.2rem;
  font-family: var(--font-pixel);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--ink-strong);
}

.note-page p {
  margin: 0.6rem 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink);
}

.note-page .eq-big {
  font-size: 1.15rem;
}

.note-game,
.note-code {
  margin-top: 0.7rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.86rem;
  line-height: 1.5;
  background: #141418;
  border-left: 4px solid var(--phys, var(--gold));
}

.note-game b,
.note-code b {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-pixel);
  font-weight: 400;
  font-size: 0.66rem;
  color: var(--phys, var(--gold));
  letter-spacing: 0.06em;
}

.note-code pre {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  white-space: pre-wrap;
  color: var(--cream);
}

.note-next {
  font-size: 0.8rem !important;
  color: var(--faint) !important;
}

.note-next.good {
  color: var(--structure) !important;
}

.note-empty {
  color: var(--faint);
}

.map-btns {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.px-btn b {
  font-weight: 400;
}

@media (max-width: 700px) {
  .notes-book {
    grid-template-columns: 1fr;
  }

  .note-list {
    flex-direction: row;
    flex-wrap: wrap;
    max-height: none;
  }
}

/* Top bar links: FEAScript → main site, Tri's Lab → the Tri's Lab page, CRITICAL MESH → title screen */
.brand a {
  color: inherit;
  text-decoration: none;
}

.brand-crumb {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted) !important;
  text-decoration: underline dotted !important;
  text-underline-offset: 3px;
}

.brand-crumb:hover,
.brand-game:hover,
.brand .fea-logo:hover {
  color: var(--gold-ink) !important;
}

.eq-edges [data-edge] {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.brand .brand-sep {
  width: auto;
  height: auto;
  background: none;
  color: var(--faint);
  font-family: var(--font-mono);
}

.eq-body .eq-edges {
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.eq-edges div {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.eq-edges i {
  flex: 0 0 4.2rem;
}

.eq-edges [data-edge] {
  margin-top: 0;
}

/* ─── Phones ─── */
@media (max-width: 720px) {
  /* The top bar wraps instead of pushing buttons off-screen */
  .topbar {
    position: static;
    flex-wrap: wrap;
    height: auto;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
  }

  .topbar-right {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.4rem;
    margin-left: auto;
  }

  .icon-btn {
    white-space: nowrap;
  }

  #diffChip {
    display: none;
  }

  .note-toast {
    max-width: calc(100vw - 2rem);
  }

  /* Board first, then the buttons you press every turn, then the readouts */
  .game {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.7rem;
    padding: 0.75rem;
  }

  .stage,
  .hud {
    display: contents;
  }

  .stage > *,
  .hud > * {
    min-width: 0;
  }

  .stage-head {
    order: 1;
  }

  .board-wrap {
    order: 2;
  }

  .msg-bar {
    order: 3;
  }

  .hud-actions,
  #labPanel {
    order: 4;
  }

  #toolsPanel {
    order: 5;
  }

  .hud-die {
    order: 6;
  }

  .hud-engineer {
    order: 7;
  }

  .hud-status {
    order: 8;
  }

  .log {
    order: 9;
  }

  .eq-wrap {
    order: 10;
  }
}