/* Trang Hỏi Gau dùng bố cục và màu từ Gau Design Kit. */
.gau-ask-page { overflow: hidden; }
.gau-ask-page {
  scrollbar-color: var(--border-input) transparent;
  scrollbar-width: thin;
}
.gau-ask-page * {
  scrollbar-color: var(--border-input) transparent;
  scrollbar-width: thin;
}
.gau-ask-page ::-webkit-scrollbar { width: 8px; height: 8px; }
.gau-ask-page ::-webkit-scrollbar-track { background: transparent; }
.gau-ask-page ::-webkit-scrollbar-thumb {
  background: var(--border-input);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: var(--gau-radius-pill);
}
.gau-ask-page ::-webkit-scrollbar-thumb:hover { background-color: var(--text-muted); }
.gau-ask-page ::-webkit-scrollbar-corner { background: transparent; }
.gau-ask-page .page {
  position: fixed;
  top: var(--gau-chat-offset, 0px);
  left: 0;
  width: 100%;
  height: var(--gau-chat-height, 100dvh);
  min-height: 0;
  overflow: hidden;
}
.gau-ask-page .topnav-outer { flex: 0 0 auto; }
.gau-ask-page .topnav-bar {
  max-width: 808px;
  padding: 12px 20px;
  gap: var(--gau-space-3);
}
.gau-ask-title { flex: 1; font-size: 20px; font-weight: 500; letter-spacing: -.03em; }
.gau-ask-reset { min-height: 40px; padding: 8px 12px; font-size: 13px; }
.gau-ask-page .topnav {
  right: max(20px, calc((100% - 768px) / 2));
  max-height: calc(var(--gau-chat-height, 100dvh) - 64px);
  overflow-y: auto;
}
.ask-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: calc(var(--gau-width-reading) + 40px);
  margin: 0 auto;
  padding: 0 20px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.ask-log {
  display: flex;
  flex-direction: column;
  gap: var(--gau-space-4);
  padding: var(--gau-space-6) 4px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
  scrollbar-width: thin;
}
.ask-log > * { flex-shrink: 0; }
.ask-log:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: -2px; }
.gau-ask-composer {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--gau-space-2);
  padding: 12px 0 max(12px, env(safe-area-inset-bottom));
}
.ask-empty {
  display: flex;
  align-items: flex-start;
  gap: var(--gau-space-2);
}
.gau-ask-avatar {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--gau-radius-pill);
  background: var(--bg-card);
}
.gau-ask-avatar img { display: block; width: 48px; height: auto; object-fit: contain; }
.ask-row {
  display: flex;
  align-items: flex-start;
  gap: var(--gau-space-2);
  align-self: flex-start;
  max-width: 100%;
}
.ask-row .ask-msg { min-width: 0; max-width: calc(100% - 56px); }
.gau-ask-greeting {
  padding: var(--gau-space-2);
  background: var(--bg-card);
  border-radius: 0 var(--gau-radius-panel) var(--gau-radius-panel);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
}
.gau-ask-greeting p { margin: 0; }
.ask-chips {
  display: flex;
  flex-wrap: wrap;
  padding-left: calc(var(--gau-space-12) + var(--gau-space-2));
  justify-content: flex-start;
  gap: var(--gau-space-2);
}
.ask-chip {
  border: 1px solid var(--border-table);
  background: var(--bg-card-subtle);
  color: var(--text-secondary);
  border-radius: var(--gau-radius-panel);
  padding: 8px 12px;
  font: 400 13px/1.5 var(--gau-font);
  cursor: pointer;
  transition: border-color var(--gau-motion-fast), color var(--gau-motion-fast);
}
.ask-chip:hover { border-color: var(--accent-red); color: var(--accent-red); }
.ask-chip:disabled { opacity: .5; cursor: wait; }
.ask-msg {
  max-width: 92%;
  padding: var(--gau-space-2);
  border-radius: var(--gau-radius-panel);
  font-size: 15px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.ask-msg--user {
  align-self: flex-end;
  background: var(--bg-chat-user);
  color: var(--text-secondary);
  border-top-right-radius: 0;
  white-space: pre-wrap;
}
.ask-msg--bot {
  align-self: flex-start;
  background: var(--bg-card);
  color: var(--text-secondary);
  border-top-left-radius: 0;
}
.ask-msg--bot p { margin: 0 0 8px; }
.ask-msg--bot > :last-child { margin-bottom: 0; }
.ask-msg--bot ol, .ask-msg--bot ul { margin: 0 0 8px; padding-left: 22px; }
.ask-msg--bot li { margin-bottom: 4px; }
.ask-msg--bot a { color: var(--accent-red); }
.ask-msg--bot code {
  font-family: var(--gau-font-mono);
  font-size: .9em;
  background: var(--bg-code);
  border-radius: 4px;
  padding: 1px 5px;
}
.ask-msg--pending { color: var(--text-muted); }
.ask-msg--error, .ask-fallback { background: var(--gau-warning-bg); color: var(--gau-warning); }
.ask-fallback { border-radius: var(--gau-radius-control); padding: 12px 16px; font-size: 14px; }
.ask-fallback a { color: inherit; text-decoration: underline; }
.ask-form {
  display: flex;
  gap: var(--gau-space-2);
  align-items: center;
  padding: 8px 8px 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-input);
  border-radius: 20px;
}
.ask-form:focus-within { border-color: var(--accent-blue); }
.ask-form textarea:focus-visible { outline: none; }
.ask-form textarea {
  flex: 1;
  min-width: 0;
  height: 24px;
  max-height: 160px;
  resize: none;
  padding: 0;
  background: transparent;
  color: var(--text-primary);
  border: 0;
  font: 400 15px/1.5 var(--gau-font);
}
.ask-form textarea::placeholder { color: var(--text-muted); opacity: 1; }
.gau-ask-send {
  gap: 4px;
  min-height: 0;
  padding: 4px 12px;
  border: 0;
  border-radius: var(--gau-radius-pill);
  font: 400 15px/1.5 var(--gau-font);
  flex-shrink: 0;
}
.gau-ask-send-icon {
  font-size: 16px;
}
.ask-note { margin: 0; text-align: center; font-size: 12px; line-height: 1.5; color: var(--text-muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.gau-ask-page [hidden] { display: none !important; }
@media (max-width: 600px) {
  .ask-wrapper { padding: 0 16px; }
  .gau-ask-page .topnav-bar { padding: 8px 16px; gap: 8px; }
  .gau-ask-page .topnav-actions { gap: 6px; }
  .gau-ask-title { font-size: 18px; }
  .gau-ask-reset { padding-inline: 8px; }
  .ask-log { padding-block: 16px; }
  .ask-msg { max-width: 100%; }
  .ask-row .ask-msg { max-width: calc(100% - 56px); }
  .ask-form textarea { font-size: 16px; }
  .ask-chips { padding-left: 0; }
}
@media (max-width: 768px) {
  .gau-ask-page .topnav { right: 0; }
}