.panel-backdrop {
  position: absolute;
  inset: 0;
  z-index: 40;
  background: rgb(0 0 0 / 0.4);
}

.panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 41;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--surface);
  animation: panel-in 0.14s cubic-bezier(0.215, 0.61, 0.355, 1);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateX(14px);
  }
}

.panel-layout {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.panel-scroll {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding: 16px 20px;
  overflow-y: auto;
}

.panel-footer {
  flex: none;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
}

.panel-footer.is-loading {
  display: flex;
  justify-content: center;
  padding: 8px;
  border: 0;
  background: none;
}

.panel-header {
  flex: none;
  margin-bottom: 14px;
}

.panel-header-row {
  display: flex;
  align-items: center;
  min-height: 40px;
}

.panel-title {
  flex: 1;
  min-width: 0;
  font-size: 17px;
  font-weight: 700;
}

.panel-subtitle {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 12.5px;
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: 6px;
  color: var(--accent);
  font-size: 11px;
}

.panel-status .spinner {
  margin-right: 6px;
}

.panel-label {
  flex: none;
  padding: 16px 0 8px;
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.1px;
}

.panel-label-small {
  flex: none;
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
}

.panel-caption {
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.1px;
}

.panel-help {
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.4;
}

.panel-warning {
  padding-top: 8px;
  color: var(--warning);
  font-size: 12px;
}

.section-card {
  flex: none;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

.section-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}

.section-card-title {
  color: var(--text-secondary);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.section-card-body {
  display: flex;
  flex-direction: column;
  padding: 12px 16px 14px;
}

.inherit-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  background: var(--accent-muted);
  color: var(--accent);
}

.inherit-note-text {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.4;
}

.info-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  background: var(--accent-muted);
  color: var(--accent);
}

.info-note-text {
  color: var(--text-secondary);
  font-size: 12px;
}

.drop-area {
  display: flex;
  flex: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 92px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-alt);
  color: var(--text-faint);
  transition: background-color 0.12s, border-color 0.12s;
}

.drop-area-text {
  color: var(--text-secondary);
  font-size: 12px;
  text-align: center;
}

.drop-area.is-dragging {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 0.5px var(--accent);
  background: var(--accent-muted);
  color: var(--accent);
}

.drop-area.is-dragging .drop-area-text {
  color: var(--accent);
}

.panel .switch-tile {
  flex: none;
}

.panel .checkbox-tile {
  flex: none;
  padding-left: 0;
}

.panel .btn-outlined.btn-block {
  flex: none;
}

.switch-tile.is-dense {
  min-height: 40px;
}

.switch-tile.is-dense .switch-tile-title {
  font-size: 13px;
}

.switch-tile.is-dense .switch-tile-sub {
  font-size: 12px;
  line-height: 1.4;
}

.panel .seg {
  flex: none;
}