.zone-controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding-bottom: 20px;
}

#timer-display {
  font-size: 3.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.progress-wrapper {
  width: 80%;
  height: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

#growth-bar {
  width: 0%;
  height: 100%;
  background: var(--accent-color);
  border-radius: 10px;
  box-shadow: 0 0 10px var(--accent-color);
  transition: width 1s linear, background 1s ease;
}

.btn-giveup {
  background: transparent;
  color: var(--text-color);
  opacity: 0.5;
  font-size: 0.8rem;
  border: 1px solid var(--text-color);
  padding: 8px 20px;
  border-radius: 20px;
  margin-top: 10px;
}

.btn-giveup:hover {
  opacity: 1;
  background: rgba(255, 0, 0, 0.1);
  border-color: #ff4d4d;
  color: #ff4d4d;
}