.builder-stage {
  display: grid;
  min-height: 472px;
  place-items: center;
  align-content: center;
  padding: clamp(16px, 3vw, 30px);
  background:
    radial-gradient(circle at 50% 48%, rgba(183, 217, 76, 0.15), transparent 38%),
    linear-gradient(rgba(31, 37, 34, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 37, 34, 0.035) 1px, transparent 1px);
  background-size: auto, 24px 24px, 24px 24px;
}

.build-grid {
  --cell-size: clamp(42px, 4.3vw, 58px);
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, var(--cell-size));
  grid-template-rows: repeat(7, var(--cell-size));
  gap: 4px;
  padding: 11px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: inset 0 0 0 5px rgba(31, 37, 34, 0.025);
}

.build-grid::before {
  position: absolute;
  top: -19px;
  left: 50%;
  color: var(--color-muted);
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  content: "NOSE";
  transform: translateX(-50%);
}

.build-cell {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  padding: 0;
  place-items: center;
  color: var(--color-ink);
  background: rgba(31, 37, 34, 0.035);
  border: 1px dashed rgba(31, 37, 34, 0.12);
  border-radius: 9px;
}

.build-cell--attachable {
  border-color: rgba(73, 103, 214, 0.62);
  background: rgba(73, 103, 214, 0.07);
}

.build-cell--attachable::after {
  width: 7px;
  height: 7px;
  background: var(--color-secondary);
  border-radius: 50%;
  content: "";
}

.build-cell--module {
  overflow: hidden;
  color: var(--color-ink);
  font-size: clamp(0.8rem, 1.8vw, 1.05rem);
  font-weight: 950;
  background: var(--module-color);
  border: 2px solid var(--color-ink);
  border-radius: 12px;
  box-shadow: 3px 3px 0 rgba(31, 37, 34, 0.18);
}

.build-cell--module img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 9px;
}

.build-cell--module:not(:disabled):hover {
  z-index: 2;
  transform: translateY(-2px);
}

.build-cell--cockpit {
  border-radius: 12px;
  box-shadow: 0 0 0 4px rgba(183, 217, 76, 0.25), 3px 3px 0 rgba(31, 37, 34, 0.18);
  opacity: 1;
}

.builder-tip {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 0.72rem;
  line-height: 1.45;
  text-align: center;
}

.builder-tip span {
  display: inline-grid;
  width: 22px;
  height: 22px;
  margin-right: 4px;
  place-items: center;
  color: white;
  background: var(--color-secondary);
  border-radius: 50%;
}

.battle-view {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.battle-hud {
  justify-content: center;
  gap: 7px;
  margin-bottom: 10px;
}

.battle-hud > span {
  display: inline-flex;
  min-height: 34px;
  align-items: baseline;
  gap: 5px;
  padding: 8px 11px;
  color: rgba(243, 245, 242, 0.68);
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  background: var(--color-ink);
  border-radius: 999px;
}

.battle-hud strong {
  color: var(--color-primary);
  font-size: 0.76rem;
}

.icon-button--pause {
  width: 36px;
  height: 36px;
  color: var(--color-canvas);
  background: var(--color-ink);
  border-color: var(--color-ink);
  border-radius: 12px;
}

.battle-stage {
  position: relative;
  overflow: hidden;
  width: min(100%, calc((100dvh - 250px) * 4 / 3));
  margin: 0 auto;
  background: var(--color-ink);
  border: 4px solid var(--color-ink);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
}

.battle-stage::before {
  position: absolute;
  z-index: 1;
  inset: 10px;
  pointer-events: none;
  border: 1px solid rgba(243, 245, 242, 0.12);
  border-radius: 16px;
  content: "";
}

#battle-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  touch-action: none;
}

.ability-row {
  justify-content: center;
  gap: 8px;
  margin: 10px auto 0;
}

.ability-button {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 168px;
  min-height: 54px;
  padding: 7px 11px;
  text-align: left;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 15px;
}

.ability-button:not(:disabled):hover,
.ability-button.is-active {
  box-shadow: inset 0 0 0 2px var(--ability-color);
}

.ability-button:disabled {
  opacity: 0.52;
}

.ability-button--lime { --ability-color: var(--color-primary); }
.ability-button--blue { --ability-color: var(--color-secondary); }

.ability-key {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--color-ink);
  font-weight: 900;
  background: var(--ability-color);
  border: 2px solid var(--color-ink);
  border-radius: 10px;
}

.ability-button > span:last-child {
  display: grid;
}

.ability-button strong {
  font-size: 0.76rem;
}

.ability-button small {
  color: var(--color-muted);
  font-size: 0.63rem;
}

body.is-battling .game-intro {
  padding-bottom: 10px;
}

body.is-battling .game-intro h1 {
  font-size: 1.8rem;
}

body.is-battling .game-intro > p,
body.is-battling .game-intro .eyebrow {
  display: none;
}