#top-left-buttons {
  display: flex;
  flex-direction: row;
  gap: 8px;
}

#bird-btn {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 18px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#bird-btn:hover { background: rgba(255,255,255,0.14); }

#bird-menu {
  width: 300px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 16px;
  overflow: hidden;

  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.3s ease, transform 0.3s ease;
}
#bird-menu.open {
  max-height: 500px;
  opacity: 1;
  padding: 16px;
  pointer-events: all;
  transform: translateY(0);
}

#bird-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.bird-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  aspect-ratio: 1;
  background: rgba(0,0,0,0.3);
  cursor: pointer;
}

.bird-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter 0.6s ease;
}

.bird-card.locked img {
  filter: blur(3px) brightness(0.4);
}

.bird-card .lock-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.bird-card.unlocked .lock-icon {
  opacity: 0;
}

.bird-card .bird-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: var(--text);
  text-align: center;
  padding: 4px;
  background: rgba(0,0,0,0.4);
  letter-spacing: 0.06em;
}

/* ── UNLOCK NOTIFICATION ── */
#unlock-notification {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--glass);
  border: 1px solid var(--accent2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 12px;
  padding: 14px 24px;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  color: var(--accent2);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 200;
  white-space: nowrap;
}
#unlock-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}