/* Game HUD: top and bottom bars */

#game-top-bar,
#game-bottom-bar {
  position: fixed;
  z-index: 10;
  left: 0;
  right: 0;
  background: rgba(17, 70, 17, 0.9);
  display: none;
}

#game-top-bar.visible {
  display: flex;
}

#game-bottom-bar.visible {
  display: flex;
}

/* ── Top Bar ─────────────────────────────────────────────────── */

#game-top-bar {
  top: 0;
  height: 32px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.5);
  align-items: center;
  padding: 0 8px;
  gap: 8px;
}

#resources-display {
  display: flex;
  flex: 1;
  justify-content: space-evenly;
  align-items: center;
  overflow: hidden;
}

.resource-item {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.resource-item img {
  width: 18px;
  height: 18px;
  image-rendering: pixelated;
  flex-shrink: 0;
}

.resource-value {
  color: #FFD700;
  font-size: 13px;
  font-family: system-ui, sans-serif;
  min-width: 28px;
  font-variant-numeric: tabular-nums;
}

#game-menu-btn {
  flex-shrink: 0;
  width: 34px;
  height: 24px;
  background: rgba(17, 70, 17, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.8);
  color: #FFD700;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-menu-btn:hover {
  background: rgba(34, 139, 34, 0.8);
}

/* ── Bottom Bar ───────────────────────────────────────────────── */

#game-bottom-bar {
  bottom: 0;
  height: 80px;
  border-top: 1px solid rgba(255, 215, 0, 0.5);
  align-items: stretch;
  overflow: hidden;
}

/* ── Building Slots Panel ─────────────────────────────────────── */

#building-slots-panel {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 6px;
  gap: 6px;
  flex-wrap: wrap;
}

.building-slot {
  width: 64px;
  height: 68px;
  cursor: pointer;
  background: rgba(17, 70, 17, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 2px 2px;
  gap: 2px;
  flex-shrink: 0;
  position: relative;
}

.building-slot:hover {
  border-color: #FFD700;
  background: rgba(34, 139, 34, 0.7);
}

.building-slot.selected {
  border-color: #FFD700;
  border-width: 2px;
  background: rgba(34, 139, 34, 0.9);
}

.building-slot.unaffordable {
  opacity: 0.3;
  cursor: not-allowed;
}

.building-slot img {
  width: 44px;
  height: 44px;
  image-rendering: pixelated;
}

.slot-name {
  color: #FFD700;
  font-size: 10px;
  font-family: system-ui, sans-serif;
  text-align: center;
  line-height: 1.1;
  max-width: 62px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ── Building Info Panel ──────────────────────────────────────── */

#building-info-panel {
  display: none;
  flex: 1;
  align-items: center;
  padding: 4px 10px;
  gap: 10px;
  overflow: hidden;
}

#building-info-panel.visible {
  display: flex;
}

.bi-icon {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  flex-shrink: 0;
  align-self: center;
}

.bi-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex-shrink: 1;
}

.bi-name {
  color: #FFD700;
  font-size: 15px;
  font-weight: bold;
  font-family: system-ui, sans-serif;
  white-space: nowrap;
}

.bi-desc {
  color: #fff;
  font-size: 11px;
  font-family: system-ui, sans-serif;
}

.bi-stats {
  color: #ADD8E6;
  font-size: 11px;
  font-family: system-ui, sans-serif;
}

.bi-life {
  color: #00ff00;
  font-size: 12px;
  font-family: system-ui, sans-serif;
}

.bi-extra {
  color: #ADD8E6;
  font-size: 11px;
  font-family: system-ui, sans-serif;
}

.bi-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
  padding: 4px 0;
}

/* Action buttons (upgrade, specialize, sell, branch) */
.bi-btn {
  background: rgba(0, 100, 0, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.8);
  color: #fff;
  font-family: system-ui, sans-serif;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 70px;
  max-width: 160px;
  height: 68px;
  justify-content: center;
}

.bi-btn:hover:not(:disabled) {
  background: rgba(34, 139, 34, 0.9);
  border-color: #FFD700;
}

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

.bi-btn.unaffordable {
  background: rgba(50, 50, 50, 0.7);
  border-color: rgba(150, 150, 150, 0.5);
}

.bi-btn-title {
  font-weight: bold;
  font-size: 13px;
  color: #FFD700;
  text-align: center;
}

.bi-btn-sub {
  font-size: 10px;
  color: #ccc;
  text-align: center;
}

.bi-btn-cost {
  font-size: 10px;
  color: #FFD700;
  text-align: center;
}

/* Market sell buttons */
.bi-sell-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bi-sell-btn {
  background: rgba(50, 50, 50, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.6);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  width: 34px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.bi-sell-btn.active {
  background: rgba(0, 100, 0, 0.8);
  border-color: #FFD700;
}

.bi-sell-btn:hover {
  background: rgba(34, 139, 34, 0.7);
}

/* Specialize back button */
.bi-back-btn {
  background: rgba(50, 50, 50, 0.8);
  border: 1px solid rgba(136, 136, 136, 0.8);
  color: #ccc;
  font-family: system-ui, sans-serif;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 10px;
  height: 68px;
  flex-shrink: 0;
}

.bi-back-btn:hover {
  background: rgba(80, 80, 80, 0.9);
}

/* ── Tooltip ──────────────────────────────────────────────────── */

#hud-tooltip {
  position: fixed;
  z-index: 20;
  background: rgba(17, 70, 17, 0.97);
  border: 1px solid rgba(255, 215, 0, 0.7);
  color: #fff;
  font-family: system-ui, sans-serif;
  font-size: 13px;
  padding: 8px 10px;
  pointer-events: none;
  display: none;
  max-width: 260px;
  min-width: 160px;
  gap: 4px;
  flex-direction: column;
}

#hud-tooltip.visible {
  display: flex;
}

.tooltip-title {
  color: #FFD700;
  font-size: 14px;
  font-weight: bold;
}

.tooltip-desc {
  color: #fff;
  font-size: 12px;
}

.tooltip-details {
  color: #ccc;
  font-size: 11px;
  font-style: italic;
}

.tooltip-costs {
  color: #FFD700;
  font-size: 11px;
  margin-top: 4px;
}

/* ── Minimap ──────────────────────────────────────────────────── */

#minimap-canvas {
  position: fixed;
  top: 31px;
  right: 0;
  left: auto;
  width: 220px;
  height: 220px;
  z-index: 15;
  display: none;
  image-rendering: pixelated;
  background: rgba(17, 70, 17, 0.85);
  border: 1px solid rgba(255, 215, 0, 0.5);
}

body.playing-mode #minimap-canvas {
  display: block;
}