.dev-fab {
  align-items: center;
  background: #2d3748;
  border: none;
  border-radius: 50%;
  bottom: 92px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  color: #fff;
  cursor: pointer;
  display: flex;
  font-size: 0.7rem;
  font-weight: 700;
  height: 48px;
  justify-content: center;
  position: fixed;
  right: 24px;
  width: 48px;
  z-index: 110;
}

.dev-fab[hidden] {
  display: none !important;
}

.dev-fab--pulse {
  animation: devPulse 1.5s ease infinite;
  box-shadow: 0 0 0 0 rgba(45, 55, 72, 0.5);
}

@keyframes devPulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 55, 72, 0.45); }
  70% { box-shadow: 0 0 0 12px rgba(45, 55, 72, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 55, 72, 0); }
}

.dev-panel {
  background: #fff;
  border: 1px solid var(--bbc-border);
  border-radius: 12px;
  bottom: 152px;
  box-shadow: 0 12px 40px rgba(5, 71, 82, 0.18);
  max-height: min(420px, 60vh);
  overflow: auto;
  position: fixed;
  right: 24px;
  width: min(360px, calc(100vw - 32px));
  z-index: 109;
}

.dev-panel[hidden] {
  display: none !important;
}

.dev-panel__head {
  background: #2d3748;
  border-radius: 12px 12px 0 0;
  color: #fff;
  padding: 14px 16px;
  position: sticky;
  top: 0;
  z-index: 1;
}

.dev-panel__head-row {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.dev-panel__title {
  font-size: 0.95rem;
  font-weight: 700;
}

.dev-panel__close {
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0 4px;
}

.dev-panel__meta {
  color: rgba(255, 255, 255, 0.8);
  display: grid;
  font-size: 0.75rem;
  gap: 2px;
  margin-top: 8px;
}

.dev-panel__body {
  padding: 12px 16px 16px;
}

.dev-panel__hint {
  color: var(--bbc-muted);
  font-size: 0.78rem;
  line-height: 1.4;
  margin: 0 0 12px;
}

.dev-panel__changes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dev-panel__entry {
  border-left: 3px solid var(--bbc-border);
  margin-bottom: 14px;
  padding-left: 10px;
}

.dev-panel__entry--new {
  border-left-color: var(--bbc-blue);
  background: #f0fbff;
  border-radius: 0 8px 8px 0;
  margin-left: -4px;
  padding: 8px 8px 8px 12px;
}

.dev-panel__entry-title {
  color: var(--bbc-navy);
  font-size: 0.88rem;
  font-weight: 700;
}

.dev-panel__entry-date {
  color: var(--bbc-muted);
  font-size: 0.72rem;
  margin: 2px 0 6px;
}

.dev-panel__entry ul {
  color: var(--bbc-muted);
  font-size: 0.78rem;
  margin: 0;
  padding-left: 16px;
}

.dev-panel__entry li {
  margin-bottom: 4px;
}

.dev-panel__actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.dev-panel__btn {
  background: var(--bbc-blue);
  border: none;
  border-radius: 999px;
  color: #fff;
  cursor: pointer;
  flex: 1;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 12px;
}

.dev-panel__btn--ghost {
  background: #fff;
  border: 1px solid var(--bbc-border);
  color: var(--bbc-navy);
}

@media (max-width: 640px) {
  .dev-fab {
    bottom: 84px;
    right: 16px;
  }

  .dev-panel {
    bottom: 140px;
    right: 16px;
  }
}