#hud-shell {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
}

#hud-header {
  padding: 18px 18px 16px;
}

#hud-header .eyebrow {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

#hud-header h1 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.05;
  color: var(--text);
}

#hud-header p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.hud-block {
  padding: 16px;
}

#mission-panel {
  position: relative;
  width: 100%;
  z-index: auto;
}

#hud-compaction,
#hud-bdc {
  padding: 16px;
}

.compaction-list {
  display: flex;
  flex-direction: column;
}

.compaction-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  line-height: 1.45;
}

.compaction-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.compaction-row:last-child {
  padding-bottom: 0;
}

.compaction-depth {
  flex: 0 0 64px;
  font-weight: 600;
  color: var(--text);
}

.compaction-risk {
  flex: 0 0 92px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compaction-detail {
  color: var(--muted);
  white-space: nowrap;
}

#btn-toggle-map {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-align: left;
  transition: background 0.15s;
}

#btn-toggle-map:hover {
  background: rgba(255, 255, 255, 0.14);
}

#btn-toggle-map.bdc-active {
  border-color: var(--accent);
  background: rgba(255, 209, 102, 0.12);
  color: var(--accent);
}

#bdc-legend {
  display: none;
  margin-top: 12px;
  flex-direction: column;
  gap: 6px;
}

#bdc-legend.visible {
  display: flex;
}

.bdc-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.bdc-swatch {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

@media (max-width: 720px) {
  #hud-header h1 {
    font-size: 22px;
  }

  .compaction-depth,
  .compaction-risk {
    flex-basis: auto;
  }

  .compaction-detail {
    white-space: normal;
  }
}