#planet-buildings-panel {
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

.building-panel {
  display: grid;
  gap: 1rem;
}

.building-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.building-panel__header h2 {
  margin: 0;
}

.building-panel__subtitle {
  margin: 0.35rem 0 0;
  color: var(--text-muted, #94a3b8);
  font-size: 0.95rem;
}

.building-panel__planet-picker {
  display: grid;
  gap: 0.45rem;
  min-width: min(100%, 220px);
}

.building-panel__planet-picker span,
.building-card__cost-block label,
.buildings-production__head small {
  color: var(--text-muted, #94a3b8);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

#building-planet-select {
  min-height: 52px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(9, 16, 29, 0.95);
  color: #f8fafc;
  padding: 0.85rem 1rem;
  font-size: 1rem;
}

.buildings-toast-stack {
  position: fixed;
  top: 90px;
  right: 16px;
  z-index: 1200;
  display: grid;
  gap: 0.7rem;
  pointer-events: none;
}

.buildings-toast {
  min-width: min(88vw, 320px);
  max-width: 320px;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(15, 23, 42, 0.96);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  color: #e2e8f0;
  transform: translateY(-8px);
  opacity: 0;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.buildings-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.buildings-toast.is-success { border-color: rgba(34, 197, 94, 0.45); }
.buildings-toast.is-error { border-color: rgba(248, 113, 113, 0.45); }

.buildings-global-status {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.buildings-global-status.is-hidden { display: none; }
.buildings-global-status.is-info { background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.35); color: #bfdbfe; }
.buildings-global-status.is-success { background: rgba(34,197,94,0.12); border-color: rgba(34,197,94,0.35); color: #bbf7d0; }
.buildings-global-status.is-error { background: rgba(239,68,68,0.12); border-color: rgba(239,68,68,0.35); color: #fecaca; }

.buildings-production {
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(10, 15, 27, 0.92));
  padding: 1rem;
}

.buildings-production__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.prod-rates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 0.7rem;
}

.prod-rates span {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: #cbd5e1;
}

.prod-rates strong {
  color: #4ade80;
  font-size: 1rem;
}

.prod-rates em {
  font-style: normal;
  color: #94a3b8;
}

.rate-icon {
  width: 18px;
  height: 18px;
}

.buildings-container,
.buildings-grid {
  display: grid;
  gap: 1rem;
}

.building-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(20, 29, 46, 0.86), rgba(10, 15, 27, 0.95));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.building-card:hover {
  transform: translateY(-1px);
  border-color: rgba(56, 189, 248, 0.3);
}

.building-card.is-success-flash {
  border-color: rgba(34, 197, 94, 0.7);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.2), 0 0 26px rgba(34, 197, 94, 0.18);
}

.building-card.is-error {
  border-color: rgba(248, 113, 113, 0.55);
  background: linear-gradient(180deg, rgba(56, 23, 23, 0.9), rgba(24, 10, 10, 0.96));
}

.building-card.is-loading {
  opacity: 0.84;
}

.building-card__icon-wrap {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.building-card__icon {
  width: 92px;
  height: 92px;
  object-fit: contain;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  padding: 0.65rem;
  border: 1px solid rgba(255,255,255,0.08);
}

.building-card__level {
  text-align: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.12);
  color: #7dd3fc;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.building-card__body {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}

.building-card__topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.building-card__topline h3 {
  margin: 0;
  font-size: 1.2rem;
}

.building-card__topline p {
  margin: 0.35rem 0 0;
  color: #94a3b8;
}

.building-card__yield {
  min-width: 92px;
  text-align: right;
}

.building-card__yield strong {
  display: block;
  font-size: 1.15rem;
  color: #f8fafc;
}

.building-card__yield small {
  color: #94a3b8;
}

.building-card__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.stat-chip {
  padding: 0.8rem 0.9rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.stat-chip span,
.stat-chip small {
  display: block;
  color: #94a3b8;
}

.stat-chip strong {
  display: block;
  color: #f8fafc;
  margin-top: 0.2rem;
}

.stat-chip.is-accent {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.2);
}

.building-card__message {
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  font-weight: 600;
}

.building-card__message.is-info { background: rgba(59,130,246,0.12); color: #bfdbfe; }
.building-card__message.is-success { background: rgba(34,197,94,0.12); color: #bbf7d0; }
.building-card__message.is-error { background: rgba(239,68,68,0.12); color: #fecaca; }

.building-card__progress-wrap { display: grid; gap: 0.35rem; }
.building-card__progress-label { display: flex; justify-content: space-between; color: #cbd5e1; font-size: 0.9rem; }
.building-card__progress { height: 10px; border-radius: 999px; background: rgba(255,255,255,0.06); overflow: hidden; }
.building-card__progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #22c55e, #4ade80); }

.building-card__footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.building-card__cost-block {
  flex: 1;
  min-width: 0;
}

.building-card__costs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.cost-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #e2e8f0;
}

.cost-pill img {
  width: 18px;
  height: 18px;
}

.cost-pill small,
.cost-pill em {
  color: #94a3b8;
  font-style: normal;
}

.cost-pill.is-missing {
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(127, 29, 29, 0.22);
}

.building-upgrade-btn {
  min-width: 158px;
  min-height: 56px;
  border: 0;
  border-radius: 16px;
  padding: 0.95rem 1.1rem;
  font-weight: 800;
  font-size: 0.98rem;
  color: #fff;
  background: linear-gradient(135deg, #06b6d4, #2563eb);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.28);
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, filter 0.15s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.building-upgrade-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.building-upgrade-btn:active { transform: translateY(1px) scale(0.99); }
.building-upgrade-btn:disabled { opacity: 0.7; cursor: wait; }

.buildings-loading,
.buildings-empty-state {
  padding: 1.1rem 1rem;
  border-radius: 16px;
  border: 1px dashed rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.65);
  color: #cbd5e1;
}

.buildings-empty-state strong,
.buildings-empty-state span {
  display: block;
}

.buildings-empty-state span {
  margin-top: 0.35rem;
  color: #94a3b8;
}

@media (max-width: 820px) {
  .buildings-toast-stack {
    top: auto;
    bottom: 18px;
    left: 12px;
    right: 12px;
  }

  .buildings-toast {
    min-width: 0;
    max-width: none;
  }

  .building-card {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .building-card__icon-wrap {
    grid-template-columns: 82px 1fr;
    align-items: center;
  }

  .building-card__icon {
    width: 82px;
    height: 82px;
  }

  .building-card__level {
    justify-self: start;
    padding-inline: 0.85rem;
  }

  .building-card__topline,
  .building-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .building-card__yield {
    text-align: left;
  }

  .building-card__stats {
    grid-template-columns: 1fr;
  }

  .building-upgrade-btn {
    width: 100%;
    min-width: 0;
  }
}