/* v5.4 — legible fleet economics and a laboratory that grows with the player */
:root {
  --panel-head: #11100df7;
  --amber-dim: #5b4522;
  --amber-glow: #e6ab3c28;
  --violet: #9c7cff;
  --coral: #ff6f61;
  --lime: #a8df55;
  --blue: #4aa8ff;
}

.game-shell {
  grid-template-columns: minmax(390px, 32%) minmax(340px, 30%) minmax(440px, 38%);
  width: 100%;
  max-width: none;
  margin: 0;
}

.prompt-chamber {
  border-right: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 48%, #e6ab3c16, transparent 28%),
    radial-gradient(circle at 10% 78%, #65d9d016, transparent 28%),
    radial-gradient(circle at 88% 17%, #9c7cff13, transparent 25%),
    linear-gradient(180deg, #15120e, #0b0c0c);
}

.prompt-chamber::before {
  background-size: 38px 38px;
  opacity: .7;
}

.prompt-chamber::after {
  border-color: #d99d2f55;
  box-shadow: 0 0 120px #d58b1520, inset 0 0 90px #65d9d00b, 0 0 0 42px #9c7cff07;
}

.world-state {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  max-width: min(72%, 420px);
}
.world-state > i { flex: 0 0 auto; margin-top: 3px; }
.world-state p,
.world-state b,
.world-state small { display: block; margin: 0; }
.world-state b { color: var(--cyan); font: 700 10px Jet; letter-spacing: .1em; }
.world-state small { margin-top: 4px; color: #918878; font: 8px/1.35 Jet; letter-spacing: .04em; }

.ambient-flow {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent 5%, #000 30%, #000 88%, transparent);
}

.ambient-flow i {
  position: absolute;
  top: -180px;
  width: 5px;
  height: calc(100% + 180px);
  opacity: .2;
  background: radial-gradient(circle, var(--amber) 0 2px, transparent 3px) 0 0 / 5px 120px repeat-y;
  animation: token-rain 13s linear infinite;
  will-change: transform;
}

.ambient-flow i:nth-child(1) { left: 18%; }
.ambient-flow i:nth-child(2) { left: 55%; animation-delay: -7s; animation-duration: 17s; background-image: radial-gradient(circle, var(--cyan) 0 1px, transparent 2px); }
.ambient-flow i:nth-child(3) { left: 82%; animation-delay: -11s; animation-duration: 21s; }

@keyframes token-rain { to { transform: translateY(180px); } }

.lab-life {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.lab-rack {
  position: absolute;
  bottom: 82px;
  width: 76px;
  height: 150px;
  padding: 14px 11px;
  border: 1px solid #5b4828;
  border-bottom-width: 5px;
  background: linear-gradient(90deg, #17140f, #2a2114 48%, #12100d 50%);
  box-shadow: 0 16px 28px #000b, inset 0 0 0 5px #0d0c0a99;
}

.rack-left { left: 5%; transform: rotate(-2deg); }
.rack-right { right: 5%; transform: rotate(2deg); }
.lab-rack::before { content: "TOKEN\A RACK"; white-space: pre; position: absolute; top: 8px; left: 11px; color: #88744f; font: 7px/1.2 Jet; letter-spacing: .1em; }
.lab-rack i { display: block; height: 18px; margin: 11px 0; border: 1px solid #43371f; background: repeating-linear-gradient(90deg, #65d9d0 0 3px, transparent 3px 10px), #0a0b09; box-shadow: 0 0 9px #65d9d020; }

.token-conveyor {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 61px;
  height: 28px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  overflow: hidden;
  border: 1px solid #4f4027;
  background: repeating-linear-gradient(90deg, #262015 0 20px, #17140f 20px 40px);
  box-shadow: 0 8px 20px #0008;
}

.token-conveyor i { display: grid; place-items: center; width: 25px; height: 17px; border: 1px solid #7c612f; border-radius: 3px; color: #d9a43e; background: #211a0f; font: 6px Jet; font-style: normal; animation: conveyor-drift 9s linear infinite; }
@keyframes conveyor-drift { to { transform: translateX(54px); } }

.lab-city {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 87px;
  height: 118px;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 6px;
  opacity: .75;
}
.lab-city i {
  position: relative;
  width: 32px;
  height: 48px;
  border: 1px solid #4a3d28;
  border-bottom: 4px solid #211b13;
  background: repeating-linear-gradient(90deg, transparent 0 7px, #6a573022 7px 9px), linear-gradient(#211b14, #12110e);
  box-shadow: 0 9px 16px #000b;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s, transform .6s, height .6s, filter .6s;
}
.lab-city i:nth-child(2) { height: 68px; }
.lab-city i:nth-child(3) { width: 40px; height: 86px; }
.lab-city i:nth-child(4) { height: 58px; }
.lab-city i:nth-child(5) { width: 44px; height: 102px; }
.lab-city i:nth-child(6) { height: 76px; }
.lab-city i:nth-child(7) { width: 38px; height: 92px; }
.lab-city i:nth-child(8) { height: 64px; }
.prompt-chamber[data-city-stage="1"] .lab-city i:nth-child(-n+2),
.prompt-chamber[data-city-stage="2"] .lab-city i:nth-child(-n+4),
.prompt-chamber[data-city-stage="3"] .lab-city i:nth-child(-n+6),
.prompt-chamber[data-city-stage="4"] .lab-city i { opacity: .78; transform: none; }
.prompt-chamber[data-city-stage="2"] .lab-city,
.prompt-chamber[data-city-stage="3"] .lab-city,
.prompt-chamber[data-city-stage="4"] .lab-city { opacity: 1; }
.prompt-chamber[data-city-stage="2"] .lab-city i { background: repeating-linear-gradient(90deg, transparent 0 7px, #65d9d02b 7px 9px), linear-gradient(#282018, #11110e); }
.prompt-chamber[data-city-stage="3"] .lab-city i { border-color: #6a5230; background: repeating-linear-gradient(90deg, transparent 0 7px, #e6ab3c44 7px 9px), linear-gradient(#2c2116, #11110e); filter: drop-shadow(0 0 7px #e6ab3c16); }
.prompt-chamber[data-city-stage="4"] .lab-city i { border-color: #665190; background: repeating-linear-gradient(90deg, transparent 0 7px, #9c7cff55 7px 9px), linear-gradient(#261d32, #10100f); filter: drop-shadow(0 0 9px #9c7cff24); }

.lab-drone {
  position: absolute;
  z-index: 2;
  display: none;
  color: var(--cyan);
  font: 10px Jet;
  filter: drop-shadow(0 0 7px currentColor);
  animation: drone-patrol 7s ease-in-out infinite alternate;
}
.drone-one { left: 18%; bottom: 230px; }
.drone-two { right: 16%; bottom: 265px; color: var(--violet); animation-delay: -3s; animation-duration: 9s; }
.prompt-chamber[data-city-stage="3"] .drone-one,
.prompt-chamber[data-city-stage="4"] .lab-drone { display: block; }
@keyframes drone-patrol { to { transform: translate(72px, -18px); } }

.prompt-chamber[data-city-stage="0"] .token-conveyor i:nth-child(n+2),
.prompt-chamber[data-city-stage="1"] .token-conveyor i:nth-child(n+3),
.prompt-chamber[data-city-stage="2"] .token-conveyor i:nth-child(n+4),
.prompt-chamber[data-city-stage="3"] .token-conveyor i:nth-child(n+5) { opacity: 0; }
.prompt-chamber[data-city-stage="3"] .token-conveyor i,
.prompt-chamber[data-city-stage="4"] .token-conveyor i { animation-duration: 4.8s; border-color: #8b6c33; box-shadow: 0 0 9px #e6ab3c20; }

.activity-orbit {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 340px;
  height: 340px;
  translate: -50% -50%;
  border: 1px dashed #9c7cff2b;
  border-radius: 50%;
  animation: activity-orbit 22s linear infinite;
}
.activity-orbit i { position: absolute; display: grid; place-items: center; width: 58px; min-height: 35px; padding: 4px 5px; border: 1px solid currentColor; border-radius: 6px; background: #10100df2; box-shadow: 0 0 18px color-mix(in srgb, currentColor 38%, transparent); font-style: normal; animation: orbit-label 22s linear infinite reverse; }
.activity-orbit i b,
.activity-orbit i small { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-orbit i b { font: 700 8px Jet; }
.activity-orbit i small { color: #aaa193; font: 5px Jet; letter-spacing: .1em; }
.activity-orbit i:nth-child(1) { left: 26px; top: 46px; color: var(--cyan); }
.activity-orbit i:nth-child(2) { right: 15px; top: 86px; color: var(--violet); }
.activity-orbit i:nth-child(3) { right: 50px; bottom: 24px; color: var(--lime); }
.activity-orbit i:nth-child(4) { left: 8px; bottom: 102px; color: var(--coral); }
@keyframes activity-orbit { to { transform: rotate(360deg); } }
@keyframes orbit-label { to { transform: rotate(-360deg); } }

.lab-worker { position: absolute; bottom: 92px; width: 34px; height: 54px; border: 1px solid #66502a; border-radius: 9px 9px 4px 4px; background: linear-gradient(#372815, #17130d); box-shadow: 0 10px 20px #0009; transition: transform .14s ease; }
.worker-left { left: 21%; }
.worker-right { right: 21%; transform: scaleX(-1); }
.lab-worker::before { content: ""; position: absolute; left: 7px; top: 8px; width: 18px; height: 14px; border: 1px solid #69552e; background: radial-gradient(circle at 5px 6px, var(--cyan) 0 1px, transparent 2px), radial-gradient(circle at 12px 6px, var(--cyan) 0 1px, transparent 2px), #111; }
.lab-worker i { position: absolute; left: 8px; bottom: 7px; width: 16px; height: 16px; border: 1px solid #574724; background: repeating-linear-gradient(0deg, #d99d2f 0 2px, transparent 2px 5px); }
.lab-worker b { position: absolute; top: -25px; left: 20px; display: grid; place-items: center; width: 22px; height: 20px; border: 1px solid #5d4a29; border-radius: 8px 8px 8px 1px; color: var(--amber); background: #18140e; font: 10px Jet; }
.prompt-chamber:has(.prompt-button.is-hit) .worker-left { transform: translateY(-7px) rotate(-5deg); }
.prompt-chamber:has(.prompt-button.is-hit) .worker-right { transform: scaleX(-1) translateY(-7px) rotate(-5deg); }

.prompt-ring::before { animation: reactor-turn 16s linear infinite; }
.prompt-ring::after { animation: reactor-turn 29s linear infinite reverse; }
@keyframes reactor-turn { to { transform: rotate(360deg); } }

.lab-cables { position: absolute; inset: 0 0 auto; height: 120px; }
.lab-cables i { position: absolute; top: -45px; width: 130px; height: 100px; border: 2px solid transparent; border-bottom-color: #4b3b24; border-radius: 50%; }
.lab-cables i:nth-child(1) { left: 8%; }
.lab-cables i:nth-child(2) { left: 39%; width: 170px; border-bottom-color: #315653; }
.lab-cables i:nth-child(3) { right: 7%; }

.reputation-fill {
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4%;
  opacity: .18;
  background:
    linear-gradient(to top, #d69a2f88, #d69a2f11),
    repeating-linear-gradient(90deg, transparent 0 38px, #f6c86d20 39px 40px);
  border-top: 1px solid #d69a2f66;
  transition: height .7s ease;
}

.resource-readout h1 {
  font-size: clamp(36px, 4vw, 64px);
}

.progress-panel {
  min-width: 0;
  min-height: calc(100vh - 72px);
  border-right: 1px solid var(--line);
  background:
    radial-gradient(circle at 10% 30%, #65d9d00f, transparent 28rem),
    radial-gradient(circle at 90% 55%, #9c7cff10, transparent 24rem),
    linear-gradient(180deg, #17140f 0, #0e0f0f 100%);
}

.progress-head {
  position: sticky;
  top: 72px;
  z-index: 11;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-head);
  backdrop-filter: blur(12px);
}

.progress-head > span,
.store-head > div > span {
  color: var(--amber);
  font: 700 10px Jet;
  letter-spacing: .14em;
}

.progress-head h2 {
  margin: 3px 0 1px;
  font-size: 24px;
}

.progress-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.progress-head > button {
  flex: 0 0 132px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  text-align: left;
  background: #17140f;
  cursor: pointer;
}
.progress-head > button span,
.progress-head > button b { display: block; }
.progress-head > button span { color: var(--muted); font: 8px Jet; letter-spacing: .1em; }
.progress-head > button b { margin: 3px 0 7px; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.progress-head > button i { display: block; height: 3px; overflow: hidden; background: #29231a; }
.progress-head > button em { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--amber)); }

.store .upgrade-shelf {
  padding: 18px 20px 20px;
  background: #12100d;
}

.store .upgrade-shelf > header {
  margin-bottom: 14px;
}

.upgrade-guide {
  margin: -7px 0 13px;
  color: #9c9181;
  font-size: 11px;
}

.store .upgrade-shelf header span b {
  font-size: 18px;
}

.store .upgrade-shelf > div {
  grid-template-columns: repeat(auto-fill, minmax(62px, 1fr));
  gap: 8px;
  max-height: none;
  padding: 0;
  overflow: visible;
}

.upgrade-card {
  aspect-ratio: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 6px;
  text-align: center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--tile-accent) 58%, #2d291f);
  background: radial-gradient(circle, color-mix(in srgb, var(--tile-accent) 18%, #21190f), #14120e 72%);
  box-shadow: inset 0 1px color-mix(in srgb, var(--tile-accent) 25%, transparent);
}

.upgrade-card .upgrade-art {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 4px;
  background:
    radial-gradient(circle, #3a2b13, #19150e 70%);
}

.upgrade-card .upgrade-art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.upgrade-card .upgrade-art i {
  position: absolute;
  right: -4px;
  bottom: -4px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--tile-accent);
  border-radius: 50%;
  background: #21190d;
  color: var(--tile-accent);
  font: 700 9px Jet;
  font-style: normal;
}

.upgrade-card.affordable {
  border-color: var(--tile-accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--tile-accent) 25%, transparent), inset 0 0 18px color-mix(in srgb, var(--tile-accent) 12%, transparent);
}
.upgrade-card.underfunded {
  border-color: #38352e;
  background: #151411;
  filter: grayscale(1);
  opacity: .34;
}
.upgrade-card.underfunded:hover,
.upgrade-card.underfunded:focus-visible { opacity: .7; }
.upgrade-state {
  position: absolute;
  left: 4px;
  top: 3px;
  z-index: 2;
  color: var(--tile-accent);
  font: 9px Jet;
  font-style: normal;
}
.upgrade-card:hover { translate: 0 -2px; filter: brightness(1.16); }
.upgrade-card.underfunded:hover { filter: grayscale(1) brightness(1.25); }

.tip-ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 11px;
}
.tip-ledger span { padding: 8px; border: 1px solid var(--line); background: #0f0e0b; }
.tip-ledger small,
.tip-ledger b { display: block; }
.tip-ledger small { color: var(--muted); font: 7px Jet; letter-spacing: .08em; }
.tip-ledger b { margin-top: 3px; color: var(--text); font: 10px Jet; }
.tip-equation b { max-width: 68%; text-align: right; font: 600 11px Chakra; line-height: 1.3; }
.tip-price.funded { color: var(--lime); }
.tip-price.short { color: var(--coral); }

.progress-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.progress-summary button {
  padding: 14px 16px;
  text-align: left;
  background: #17140f;
  cursor: pointer;
}

.progress-summary span,
.progress-summary b {
  display: block;
}

.progress-summary span {
  color: var(--muted);
  font: 9px Jet;
  letter-spacing: .1em;
}

.progress-summary b {
  margin: 4px 0 8px;
  font-size: 13px;
}

.progress-summary i,
.floor-row i,
.share-track {
  display: block;
  height: 3px;
  overflow: hidden;
  background: #29231a;
}

.progress-summary i em,
.floor-row i em,
.share-track em {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--amber-soft), var(--amber));
}

.network-floor {
  min-height: calc(100vh - 184px);
  padding: 14px 14px 80px;
  background:
    linear-gradient(90deg, transparent 0 49.8%, #65d9d008 50%, transparent 50.2%),
    repeating-linear-gradient(0deg, transparent 0 92px, #7f67330a 93px 94px);
}

.habitat-row {
  position: relative;
  display: block;
  width: 100%;
  min-height: 142px;
  margin-bottom: 12px;
  padding: 13px 14px 11px;
  overflow: hidden;
  border: 1px solid #3b3224;
  border-radius: 5px;
  text-align: left;
  background: radial-gradient(circle at 80% 30%, #65d9d012, transparent 32%), linear-gradient(135deg, #1c1811, #11100d 72%);
  cursor: help;
  box-shadow: inset 0 1px #ffffff08;
}
.habitat-row:nth-child(3n + 2) { background: radial-gradient(circle at 20% 20%, #e6ab3c18, transparent 38%), linear-gradient(135deg, #171b19, #11100d 72%); }
.habitat-row:nth-child(3n) { background: radial-gradient(circle at 70% 10%, #8e6adb1a, transparent 36%), linear-gradient(135deg, #1b171d, #11100d 72%); }
.habitat-row:nth-child(4n + 1) { border-left: 3px solid var(--cyan); }
.habitat-row:nth-child(4n + 2) { border-left: 3px solid var(--amber); }
.habitat-row:nth-child(4n + 3) { border-left: 3px solid var(--violet); }
.habitat-row:nth-child(4n) { border-left: 3px solid var(--lime); }
.habitat-row::before { content: ""; position: absolute; inset: 46px 0 31px; background: linear-gradient(#55787718 1px, transparent 1px) 0 0 / 100% 18px, linear-gradient(90deg, #8d713516 1px, transparent 1px) 0 0 / 28px 100%; }
.habitat-row header { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: flex-start; }
.habitat-row header span small,
.habitat-row header span b { display: block; }
.habitat-row header small { color: var(--amber); font: 8px Jet; letter-spacing: .12em; }
.habitat-row header b { font-size: 14px; }
.habitat-row header strong { color: var(--cyan); font: 700 18px Jet; }
.habitat-machines { position: relative; z-index: 1; display: flex; align-items: end; min-height: 66px; margin: 1px -4px -2px; padding: 0 5px; overflow: hidden; }
.habitat-machines img { width: 58px; height: 58px; margin-right: -9px; object-fit: contain; filter: drop-shadow(0 8px 6px #000b) saturate(1.08); transform: translateY(calc((var(--machine-index) % 2) * 3px)); }
.habitat-surplus { align-self: center; margin-left: 14px; padding: 4px 7px; border: 1px solid #6f572b; border-radius: 12px; color: var(--amber); background: #15120d; font: 9px Jet; }
.habitat-row p { position: relative; z-index: 1; margin: 3px 0 0; overflow: hidden; color: #a69b8b; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.habitat-row:hover { border-color: var(--amber-soft); filter: brightness(1.08); }

.floor-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 13px 18px;
  border-bottom: 1px solid #29241b;
  text-align: left;
  background:
    linear-gradient(90deg, #1c1811, #11100d 75%);
  cursor: help;
}

.floor-row:hover {
  background: linear-gradient(90deg, #282015, #15120e 75%);
}

.floor-row img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: drop-shadow(0 6px 8px #0009);
}

.floor-row span,
.floor-row b,
.floor-row small {
  display: block;
  min-width: 0;
}

.floor-row b {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.floor-row small {
  margin: 2px 0 8px;
  color: var(--muted);
  font: 10px Jet;
}

.floor-row strong {
  color: var(--amber);
  font: 700 18px Jet;
}

.floor-empty {
  display: grid;
  place-content: center;
  min-height: 280px;
  padding: 32px;
  text-align: center;
  background:
    radial-gradient(circle, #30230f55, transparent 55%);
}

.floor-empty-icon { display: block; margin-bottom: 12px; color: var(--cyan) !important; font: 32px Jet; }

.floor-empty b { font-size: 18px; }
.floor-empty span { color: var(--muted); }

.store-head {
  align-items: center;
  padding: 22px 20px;
}

.store { background: radial-gradient(circle at 92% 22%, #ff6f610b, transparent 26rem), radial-gradient(circle at 8% 70%, #4aa8ff0a, transparent 30rem), #11100d; }

.store > .wire {
  display: flex;
  min-height: 43px;
  padding: 11px 20px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #0c1715, #15101a 60%, #17110e);
}
.store > .wire b { flex: 0 0 auto; color: var(--cyan); }
.store > .wire span { color: #aaa193; }

.store .upgrade-shelf {
  background: radial-gradient(circle at 90% 20%, #9c7cff16, transparent 20rem), radial-gradient(circle at 8% 80%, #e6ab3c13, transparent 18rem), #15120f;
}

.building:nth-child(4n + 1) { background: linear-gradient(90deg, #14201d, #12100d 32%); }
.building:nth-child(4n + 2) { background: linear-gradient(90deg, #201b12, #12100d 32%); }
.building:nth-child(4n + 3) { background: linear-gradient(90deg, #191522, #12100d 32%); }
.building:nth-child(4n) { background: linear-gradient(90deg, #181e12, #12100d 32%); }

.store-head h2 { font-size: 24px; }
.store-head p { font-size: 13px; }

.building {
  grid-template-columns: 64px minmax(0, 1fr) 104px;
  gap: 13px;
  padding: 15px 18px;
  overflow: hidden;
}

.building.affordable {
  padding-left: 16px;
}

.building-copy h3 {
  font-size: 16px;
}

.building-copy p {
  margin: 4px 0 9px;
  color: #aaa091;
  font-size: 13px;
}

.building-copy header span {
  font-size: 10px;
}

.building-metrics {
  display: flex;
  gap: 14px;
  margin-bottom: 7px;
  font-size: 11px;
}

.building-metrics span {
  color: var(--muted);
}

.building-metrics b {
  color: var(--text);
  font-weight: 700;
}

.share-track {
  height: 4px;
  border-radius: 2px;
}

.buy-building {
  min-width: 0;
  padding: 9px 10px;
  border-color: #5b4a2b;
  text-align: center;
  background: linear-gradient(#211b12, #17140f);
  overflow: hidden;
}

.buy-building small {
  color: var(--amber);
  font: 700 10px Jet;
  letter-spacing: .08em;
}

.buy-building b {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.building.affordable .buy-building {
  background: linear-gradient(#efb74e, #d99a2c);
  box-shadow: 0 5px 18px #e6ab3c1e;
}

.building.affordable .buy-building small {
  color: #4a3108;
}

.locked-building {
  border-left-color: #292722 !important;
  background: repeating-linear-gradient(135deg, #11110f 0 12px, #151411 12px 24px) !important;
  opacity: .54;
  filter: grayscale(1);
  cursor: help;
}
.locked-building:hover,
.locked-building:focus-visible { opacity: .78; }
.locked-building .building-icon img,
.locked-tip img { filter: grayscale(1) brightness(0); opacity: .72; }
.locked-building .building-icon b { color: #77736a; border-color: #48453f; }
.locked-building h3 { color: #9b978f; }
.locked-building .buy-building { border-color: #36342f; background: #11110f; }
.locked-building .buy-building small,
.locked-building .buy-building b { color: #716e67; }
.locked-building .share-track { background: repeating-linear-gradient(90deg, #24231f 0 8px, #151512 8px 12px); }

.tooltip-portal {
  position: fixed;
  z-index: 100;
  padding: 16px;
  border: 1px solid #7b6130;
  border-radius: 6px;
  background:
    linear-gradient(145deg, #211c13, #13110d 75%);
  box-shadow: 0 20px 60px #000d, inset 0 1px #f2c16220;
  color: var(--text);
  pointer-events: none;
}

.tooltip-portal[hidden] { display: none; }

.tip-kicker {
  margin-bottom: 10px;
  color: var(--amber);
  font: 700 9px Jet;
  letter-spacing: .12em;
}

.tip-title {
  display: flex;
  gap: 11px;
  align-items: center;
}

.tip-title img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #17140f;
}

.tip-title b,
.tip-title small {
  display: block;
}

.tip-title b { font-size: 16px; }
.tip-title small { color: var(--muted); font: 10px Jet; }

.tip-production {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 13px;
}
.tip-production span { padding: 8px 9px; border: 1px solid var(--line); background: #0f0e0b; }
.tip-production small,
.tip-production b { display: block; }
.tip-production small { color: var(--muted); font: 7px Jet; letter-spacing: .09em; }
.tip-production b { margin-top: 3px; color: var(--text); font: 700 12px Jet; }
.tip-production .fleet-total { border-color: #497d78; background: #101c1a; }
.tip-production .fleet-total small,
.tip-production .fleet-total b { color: var(--cyan); }

.tip-equation {
  display: flex;
  justify-content: space-between;
  margin: 13px 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: #0f0e0b;
}

.tip-equation span { color: var(--muted); }
.tip-equation b { color: var(--cyan); font: 700 12px Jet; }

.tip-section {
  margin-top: 11px;
}

.tip-section small {
  display: block;
  margin-bottom: 5px;
  color: var(--amber);
  font: 8px Jet;
  letter-spacing: .11em;
}

.tip-section span,
.tip-section em {
  display: block;
  margin: 3px 0;
  font-size: 12px;
  font-style: normal;
}

.tip-section em { color: var(--muted); }
.tip-copy { margin: 10px 0; color: #bbb1a2; }
.tip-price {
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: var(--amber);
  font: 700 12px Jet;
}

dialog {
  width: min(840px, calc(100vw - 32px));
  border-color: #5d4a29;
  background:
    radial-gradient(circle at 10% 0, #30230f40, transparent 34rem),
    #14120e;
  scrollbar-color: #68532c #17140f;
  scrollbar-width: thin;
}

dialog::-webkit-scrollbar,
.store .upgrade-shelf > div::-webkit-scrollbar { width: 7px; }
dialog::-webkit-scrollbar-track,
.store .upgrade-shelf > div::-webkit-scrollbar-track { background: #17140f; }
dialog::-webkit-scrollbar-thumb,
.store .upgrade-shelf > div::-webkit-scrollbar-thumb { background: #68532c; border-radius: 8px; }

dialog > header {
  padding: 24px 26px 20px;
  background: #18150ff5;
}

dialog header h2 {
  font-size: 27px;
}

dialog header p {
  margin-top: 3px;
  font-size: 14px;
}

#modalClose {
  border: 1px solid var(--line);
  background: #1d1912;
  color: #b3a998;
}

#modalClose:focus-visible {
  outline-color: var(--amber);
}

.modal-body {
  padding: 24px 26px 30px;
}

.modal-hero {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid #5d4a29;
  background: linear-gradient(110deg, #211a10, #17140f);
}

.modal-hero-mark {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid var(--amber-soft);
  border-radius: 50%;
  color: var(--amber);
  font-size: 27px;
  box-shadow: inset 0 0 24px var(--amber-glow);
}

.modal-hero span,
.modal-hero b,
.modal-hero p,
.modal-hero strong,
.modal-hero small {
  display: block;
}

.modal-hero span {
  color: var(--amber);
  font: 9px Jet;
  letter-spacing: .12em;
}

.modal-hero b { font-size: 20px; }
.modal-hero p { margin: 3px 0 0; color: var(--muted); }
.modal-hero strong { color: var(--cyan); font: 700 28px Jet; }
.modal-hero strong small { color: var(--muted); font-size: 11px; text-align: right; }

.modal-progress {
  height: 5px;
  margin-bottom: 22px;
  background: #282219;
}

.modal-progress i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--amber-soft), var(--amber));
}

.stats-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border: 0;
  background: transparent;
}

.stats-grid article {
  position: relative;
  min-height: 104px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #18150f;
}

.stats-grid article > i {
  position: absolute;
  right: 13px;
  top: 11px;
  color: #6a5530;
  font: 18px Jet;
  font-style: normal;
}

.stats-grid small { margin-top: 22px; }
.stats-grid b { font-size: 17px; }

.achievement-list article {
  min-height: 66px;
  padding: 14px;
}

.achievement-section h3 { margin-bottom: 14px; }
.achievement-feature {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 98px;
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid #735927;
  border-radius: 5px;
  background: radial-gradient(circle at 8% 50%, #e6ab3c22, transparent 24%), linear-gradient(110deg, #211a10, #15130f);
}
.achievement-feature-icon {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  overflow: hidden;
  border: 1px solid var(--amber-soft);
  border-radius: 9px;
  color: var(--amber);
  background: radial-gradient(circle, #3c2b12, #17130d 70%);
  font: 28px Jet;
}
.achievement-feature-icon img { width: 58px; height: 58px; object-fit: contain; }
.achievement-feature small,
.achievement-feature b { display: block; }
.achievement-feature small { color: var(--amber); font: 8px Jet; letter-spacing: .12em; }
.achievement-feature b { margin-top: 2px; font-size: 17px; }
.achievement-feature p { margin: 4px 0 0; color: #b4a999; }
.achievement-cabinet {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 6px;
}
.achievement-tile {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: hidden;
  border: 1px solid #3c3428;
  border-radius: 4px;
  background: #12110e;
  cursor: pointer;
}
.achievement-tile > span { display: grid; place-items: center; width: 100%; height: 100%; color: #5f584e; font: 18px Jet; filter: grayscale(1); opacity: .24; }
.achievement-tile img { width: 88%; height: 88%; object-fit: contain; }
.achievement-tile > i { position: absolute; right: 3px; bottom: 1px; color: #665f54; font: 7px Jet; font-style: normal; }
.achievement-tile.unlocked { border-color: #725929; background: radial-gradient(circle, #3b2a12, #17140f 70%); box-shadow: inset 0 0 14px #e6ab3c12; }
.achievement-tile.unlocked > span { color: var(--amber); filter: none; opacity: 1; }
.achievement-tile.unlocked > i { color: var(--cyan); }
.achievement-tile:hover,
.achievement-tile.selected { border-color: var(--cyan); transform: translateY(-1px); }

@media (max-width: 1280px) {
  .game-shell {
    grid-template-columns: minmax(350px, 31%) minmax(300px, 30%) minmax(400px, 39%);
  }
  .store .upgrade-shelf > div { grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); }
  .achievement-cabinet { grid-template-columns: repeat(11, 1fr); }
}

@media (max-width: 1050px) {
  .game-shell {
    grid-template-columns: 1fr 1fr;
  }
  .prompt-chamber {
    grid-column: 1 / -1;
    width: 100%;
  }
  .progress-panel { border-top: 1px solid var(--line); }
  .achievement-cabinet { grid-template-columns: repeat(10, 1fr); }
}

@media (max-width: 980px) {
  .topbar-spacer { display: none; }
  .top-actions { justify-self: end; }
}

@media (max-width: 720px) {
  .game-shell { grid-template-columns: 1fr; }
  .prompt-chamber,
  .progress-panel,
  .store { grid-column: 1; }
  .progress-panel,
  .network-floor { min-height: auto; }
  .progress-head { top: 62px; }
  .store .upgrade-shelf > div { grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); }
  .building { grid-template-columns: 52px minmax(0, 1fr) 90px; }
  .building-copy p { display: none; }
  .modal-hero { grid-template-columns: 50px 1fr; }
  .modal-hero-mark { width: 50px; height: 50px; }
  .modal-hero strong { grid-column: 1 / -1; }
  .modal-hero strong small { display: inline; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .achievement-cabinet { grid-template-columns: repeat(8, 1fr); }
}

@media (max-width: 460px) {
  #achievementButton { display: none; }
  .store .upgrade-shelf > div { grid-template-columns: repeat(auto-fill, minmax(54px, 1fr)); }
  .activity-orbit { width: 280px; height: 280px; }
  .activity-orbit i { width: 50px; min-height: 31px; }
  .activity-orbit i:nth-child(1) { left: 4px; top: 34px; }
  .activity-orbit i:nth-child(2) { right: -7px; top: 70px; }
  .activity-orbit i:nth-child(3) { right: 16px; bottom: 11px; }
  .activity-orbit i:nth-child(4) { left: -9px; bottom: 76px; }
  .world-state { max-width: 78%; }
  .world-state small { font-size: 7px; }
  .building { grid-template-columns: 48px minmax(0, 1fr) 82px; }
  .building-metrics { display: grid; gap: 1px; }
  .stats-grid { grid-template-columns: 1fr; }
  .progress-head { align-items: flex-start; }
  .progress-head > button { flex-basis: 106px; }
  .achievement-feature { grid-template-columns: 52px minmax(0, 1fr); }
  .achievement-feature-icon { width: 50px; height: 50px; }
  .achievement-feature-icon img { width: 46px; height: 46px; }
  .achievement-cabinet { grid-template-columns: repeat(6, 1fr); gap: 5px; }
}