.chatpapers-root {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  min-height: 320px;
  box-sizing: border-box;
  font-size: 13px;
}

.chatpapers-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chatpapers-title {
  font-weight: 600;
  line-height: 1.3;
}

.chatpapers-meta {
  opacity: 0.7;
  font-size: 12px;
}

.chatpapers-messages {
  flex: 1;
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: color-mix(in srgb, currentColor 4%, transparent);
}

.chatpapers-bubble {
  padding: 8px 10px;
  border-radius: 8px;
  white-space: pre-wrap;
  word-break: break-word;
}

.chatpapers-user {
  background: color-mix(in srgb, #3b82f6 18%, transparent);
  align-self: flex-end;
  max-width: 92%;
}

.chatpapers-assistant {
  background: color-mix(in srgb, currentColor 8%, transparent);
  align-self: flex-start;
  max-width: 96%;
}

.chatpapers-role {
  font-size: 11px;
  opacity: 0.65;
  margin-bottom: 4px;
  font-weight: 600;
}

.chatpapers-status {
  min-height: 1.2em;
  font-size: 12px;
  opacity: 0.85;
}

.chatpapers-status[data-kind="warn"] {
  color: #b45309;
}

.chatpapers-status[data-kind="error"] {
  color: #b91c1c;
}

.chatpapers-toolbar,
.chatpapers-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chatpapers-btn {
  appearance: none;
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  background: color-mix(in srgb, currentColor 6%, transparent);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font: inherit;
}

.chatpapers-btn:hover:not(:disabled) {
  background: color-mix(in srgb, currentColor 12%, transparent);
}

.chatpapers-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.chatpapers-primary {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.chatpapers-primary:hover:not(:disabled) {
  background: #1d4ed8;
}

.chatpapers-input {
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  min-height: 64px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  padding: 8px;
  font: inherit;
  background: transparent;
  color: inherit;
}

.chatpapers-loading {
  padding: 12px;
  opacity: 0.7;
}

.chatpapers-pref-hint {
  opacity: 0.8;
  font-size: 12px;
  margin: 4px 0 10px;
  max-width: 52em;
}