/* NanoDocs chat widget (overrides/javascripts/chat-widget.js).
   Colors come from Material's CSS variables so the slate/default
   palettes restyle the panel automatically. */

#nanodocs-chat {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  font-family: var(--md-text-font-family, sans-serif);
}

#nanodocs-chat .ndc-fab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  height: 3rem;
  padding: 0 1rem 0 0.8rem;
  border: none;
  border-radius: 1.5rem;
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  cursor: pointer;
  box-shadow: 0 0.2rem 0.6rem rgba(0, 0, 0, 0.3);
}

#nanodocs-chat .ndc-fab-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1;
}

#nanodocs-chat .ndc-fab:hover {
  filter: brightness(1.1);
}

/* display:flex below would otherwise override the hidden attribute */
#nanodocs-chat .ndc-panel[hidden] {
  display: none;
}

#nanodocs-chat .ndc-panel {
  position: absolute;
  right: 0;
  bottom: 3.8rem;
  display: flex;
  flex-direction: column;
  width: min(24rem, calc(100vw - 2rem));
  height: min(32rem, calc(100vh - 6rem));
  height: min(32rem, calc(100dvh - 6rem));
  overflow: hidden;
  background-color: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  border: 0.05rem solid var(--md-default-fg-color--lightest);
  border-radius: 0.4rem;
  box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.35);
  font-size: 0.7rem;
  line-height: 1.5;
}

#nanodocs-chat .ndc-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.6rem;
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}

#nanodocs-chat .ndc-title {
  flex: 1;
  font-weight: 700;
}

#nanodocs-chat .ndc-header button {
  display: flex;
  padding: 0.15rem;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  opacity: 0.85;
}

#nanodocs-chat .ndc-header button:hover {
  opacity: 1;
}

#nanodocs-chat .ndc-messages {
  flex: 1;
  padding: 0.6rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#nanodocs-chat .ndc-empty {
  margin: auto 0.5rem;
  text-align: center;
  color: var(--md-default-fg-color--light);
}

#nanodocs-chat .ndc-msg {
  max-width: 88%;
  padding: 0.45rem 0.6rem;
  border-radius: 0.4rem;
  overflow-wrap: break-word;
}

#nanodocs-chat .ndc-user {
  align-self: flex-end;
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  white-space: pre-wrap;
}

#nanodocs-chat .ndc-assistant {
  align-self: flex-start;
  background-color: var(--md-code-bg-color);
}

#nanodocs-chat .ndc-assistant p {
  margin: 0 0 0.4em;
}

#nanodocs-chat .ndc-assistant p:last-child,
#nanodocs-chat .ndc-assistant ul:last-child,
#nanodocs-chat .ndc-assistant ol:last-child {
  margin-bottom: 0;
}

#nanodocs-chat .ndc-assistant .ndc-h {
  font-weight: 700;
}

#nanodocs-chat .ndc-assistant ul,
#nanodocs-chat .ndc-assistant ol {
  margin: 0 0 0.4em;
  padding-left: 1.2em;
}

#nanodocs-chat .ndc-assistant code {
  padding: 0 0.2em;
  background-color: var(--md-default-bg-color);
  border-radius: 0.15rem;
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.95em;
}

#nanodocs-chat .ndc-assistant pre {
  margin: 0 0 0.4em;
  padding: 0.4rem;
  overflow-x: auto;
  background-color: var(--md-default-bg-color);
  border-radius: 0.2rem;
}

#nanodocs-chat .ndc-assistant a {
  color: var(--md-typeset-a-color, var(--md-primary-fg-color));
}

/* Citation cards from searchDocs results */
#nanodocs-chat .ndc-cites {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

#nanodocs-chat .ndc-cite {
  display: flex;
  flex-direction: column;
  padding: 0.3rem 0.5rem;
  background-color: var(--md-default-bg-color);
  border: 0.05rem solid var(--md-default-fg-color--lightest);
  border-left: 0.15rem solid var(--md-primary-fg-color);
  border-radius: 0.2rem;
  color: var(--md-default-fg-color);
  text-decoration: none;
}

#nanodocs-chat .ndc-cite:hover {
  border-color: var(--md-primary-fg-color);
}

#nanodocs-chat .ndc-cite-title {
  font-weight: 700;
  color: var(--md-typeset-a-color, var(--md-primary-fg-color));
}

#nanodocs-chat .ndc-cite-trail {
  font-size: 0.85em;
  color: var(--md-default-fg-color--light);
}

/* Typing indicator */
#nanodocs-chat .ndc-dots {
  display: inline-flex;
  gap: 0.2rem;
}

#nanodocs-chat .ndc-dots i {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background-color: var(--md-default-fg-color--light);
  animation: ndc-bounce 1.2s infinite;
}

#nanodocs-chat .ndc-dots i:nth-child(2) {
  animation-delay: 0.15s;
}

#nanodocs-chat .ndc-dots i:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes ndc-bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-0.2rem);
  }
}

#nanodocs-chat .ndc-activity {
  margin-left: 0.4rem;
  color: var(--md-default-fg-color--light);
  font-size: 0.65rem;
}

#nanodocs-chat .ndc-status {
  padding: 0.25rem 0.6rem;
  color: var(--md-default-fg-color--light);
  font-size: 0.65rem;
}

#nanodocs-chat .ndc-form {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  padding: 0.5rem 0.6rem;
  border-top: 0.05rem solid var(--md-default-fg-color--lightest);
}

#nanodocs-chat .ndc-form textarea {
  flex: 1;
  max-height: 120px;
  padding: 0.35rem 0.5rem;
  resize: none;
  background-color: var(--md-code-bg-color);
  color: var(--md-default-fg-color);
  border: 0.05rem solid var(--md-default-fg-color--lightest);
  border-radius: 0.3rem;
  font: inherit;
}

#nanodocs-chat .ndc-form textarea:focus {
  outline: none;
  border-color: var(--md-primary-fg-color);
}

#nanodocs-chat .ndc-send {
  display: flex;
  padding: 0.4rem;
  border: none;
  border-radius: 0.3rem;
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  cursor: pointer;
}

#nanodocs-chat .ndc-send:disabled {
  opacity: 0.5;
  cursor: default;
}

#nanodocs-chat .ndc-footnote {
  margin: 0;
  padding: 0 0.6rem 0.4rem;
  color: var(--md-default-fg-color--lighter);
  font-size: 0.55rem;
}

/* Phone: the panel takes over the viewport */
@media screen and (max-width: 30em) {
  #nanodocs-chat.ndc-open {
    inset: 0;
  }

  #nanodocs-chat.ndc-open .ndc-fab {
    display: none;
  }

  #nanodocs-chat .ndc-panel {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
  }
}