/* ============================================================
   Hub assistant: the floating button + drawer on every page, and the
   full session page. Host-level and loaded on every page (stylesheet_link_tag
   :all), so every selector is prefixed .shy-assist.
   ============================================================ */

/* --- floating button + drawer ------------------------------------- */

.shy-assist-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  background: var(--shy-brand);
  color: var(--shy-brand-contrast);
  box-shadow: 0 6px 20px rgb(0 0 0 / 22%);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.shy-assist-fab:hover { background: var(--shy-brand-hover); transform: scale(1.04); }
.shy-assist-fab:focus-visible { outline: 3px solid var(--shy-brand-ring); outline-offset: 2px; }
.shy-assist-fab svg { width: 1.4rem; height: 1.4rem; }

html[data-assistant="open"] .shy-assist-fab { display: none; }

.shy-assist-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  width: min(26rem, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--shy-bg);
  border-left: 1px solid var(--shy-border);
  box-shadow: var(--shy-shadow-md);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.18s ease, visibility 0s linear 0.18s;
}

html[data-assistant="open"] .shy-assist-drawer {
  transform: none;
  visibility: visible;
  transition: transform 0.18s ease;
}

/* While the drawer is open the page behind it stays put: the document doesn't
   scroll (scrollbar-gutter keeps the scrollbar's width, so nothing shifts),
   and a scroll that reaches the end of the thread or a card's list stops
   there instead of carrying on to the page. :has() limits it to pages that
   have the drawer: the open state lives on <html> and survives navigating to
   /assistant, which has no drawer and must still scroll. */
html[data-assistant="open"]:has(#shy-assistant) {
  overflow: hidden;
  scrollbar-gutter: stable;
}

.shy-assist-drawer,
.shy-assist-drawer .shy-assist__thread,
.shy-assist-drawer .shy-assist-action__details ul { overscroll-behavior: contain; }

@media (prefers-reduced-motion: reduce) {
  .shy-assist-drawer,
  html[data-assistant="open"] .shy-assist-drawer { transition: none; }
}

.shy-assist-drawer__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  background: var(--shy-surface);
  border-bottom: 1px solid var(--shy-border);
}

.shy-assist-drawer__title { margin-right: auto; font-weight: 600; }
.shy-assist-drawer__link { font-size: 0.85rem; color: var(--shy-brand); }

.shy-assist-drawer__close {
  padding: 0.1rem 0.4rem;
  border: none;
  border-radius: var(--shy-radius-sm);
  background: none;
  color: var(--shy-text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.shy-assist-drawer__close:hover { background: var(--shy-surface-alt); color: var(--shy-text); }

.shy-assist-drawer__body,
#assistant_panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

@media (max-width: 820px) {
  .shy-assist-fab { right: 1rem; bottom: 1rem; }
}

/* --- one session ---------------------------------------------------- */

.shy-assist {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.shy-assist-page .shy-assist {
  height: calc(100dvh - 12rem);
  min-height: 26rem;
  max-width: 48rem;
  overflow: hidden;
  border: 1px solid var(--shy-border);
  border-radius: var(--shy-radius-lg);
  background: var(--shy-bg);
}

.shy-assist-banner {
  margin: 0.75rem 0.9rem 0;
  padding: 0.6rem 0.75rem;
  border-radius: var(--shy-radius);
  background: var(--shy-warning-tint);
  color: var(--shy-warning);
  font-size: 0.85rem;
}

.shy-assist-banner--page { margin: 0 0 1rem; }

.shy-assist__session {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-bottom: 1px solid var(--shy-border);
  background: var(--shy-surface-alt);
  color: var(--shy-text-muted);
  font-size: 0.8rem;
}

.shy-assist__session-end { margin: 0 0 0 auto; }

.shy-assist-linkbtn {
  padding: 0;
  border: none;
  background: none;
  color: var(--shy-brand);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.shy-assist-pill {
  display: inline-block;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: var(--shy-surface-sunken);
  color: var(--shy-text-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.shy-assist-pill--active { background: var(--shy-success-tint); color: var(--shy-success); }

.shy-assist__thread {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1rem 0.9rem;
}

.shy-assist__messages {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shy-assist__empty { color: var(--shy-text-muted); font-size: 0.9rem; }
.shy-assist__empty p { margin: 0 0 0.5rem; }
.shy-assist__empty ul { margin: 0 0 0.75rem; padding-left: 1.2rem; }
.shy-assist__empty li { margin: 0.2rem 0; }
.shy-assist__recent-title { margin-top: 1.25rem !important; font-weight: 600; color: var(--shy-text); }
.shy-assist__recent span { color: var(--shy-text-faint); }

.shy-assist-muted { color: var(--shy-text-muted); }

/* --- messages ------------------------------------------------------- */

.shy-assist-msg {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
}

.shy-assist-msg--user { align-items: flex-end; }

.shy-assist-msg__meta {
  padding: 0 0.2rem;
  color: var(--shy-text-faint);
  font-size: 0.72rem;
}

.shy-assist-msg__bubble {
  max-width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--shy-radius-lg);
  font-size: 0.92rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.shy-assist-msg--user .shy-assist-msg__bubble {
  max-width: 88%;
  background: var(--shy-brand);
  color: var(--shy-brand-contrast);
  border-bottom-right-radius: var(--shy-radius-sm);
}

.shy-assist-msg--assistant .shy-assist-msg__bubble {
  background: var(--shy-surface);
  color: var(--shy-text);
  border: 1px solid var(--shy-border);
  border-bottom-left-radius: var(--shy-radius-sm);
}

.shy-assist-msg__text p { margin: 0 0 0.5rem; }
.shy-assist-msg__text > :last-child { margin-bottom: 0; }

.shy-assist-md ul,
.shy-assist-md ol { margin: 0.4rem 0; padding-left: 1.25rem; }
.shy-assist-md li { margin: 0.15rem 0; }
.shy-assist-md strong { font-weight: 600; }
.shy-assist-md code {
  padding: 0.05rem 0.3rem;
  border-radius: var(--shy-radius-sm);
  background: var(--shy-surface-alt);
  font-family: var(--shy-font-mono);
  font-size: 0.85em;
}
.shy-assist-md table { border-collapse: collapse; margin: 0.4rem 0; font-size: 0.85rem; }
.shy-assist-md th,
.shy-assist-md td { padding: 0.25rem 0.5rem; border: 1px solid var(--shy-border); text-align: left; }

.shy-assist-msg__transcript { margin-top: 0.35rem; font-size: 0.85rem; font-style: italic; opacity: 0.9; }

.shy-assist-msg__images {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
}

.shy-assist-msg__images img {
  display: block;
  max-width: 10rem;
  max-height: 10rem;
  border-radius: var(--shy-radius);
  object-fit: cover;
}

.shy-assist-msg audio { display: block; width: 16rem; max-width: 100%; margin-bottom: 0.35rem; }

.shy-assist-msg__error { color: var(--shy-danger); }

.shy-assist-thinking { display: flex; align-items: center; gap: 0.5rem; color: var(--shy-text-muted); }

.shy-assist-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--shy-border);
  border-top-color: var(--shy-brand);
  border-radius: 50%;
  animation: shy-assist-spin 0.7s linear infinite;
}

@keyframes shy-assist-spin { to { transform: rotate(360deg); } }

.shy-assist-steps { color: var(--shy-text-muted); font-size: 0.78rem; }
.shy-assist-steps summary { cursor: pointer; }

/* The reply's working: summarized thinking, in-between text, tool calls.
   Shown live while the reply is written, then folded into "Reasoning". */
.shy-assist-trace {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.35rem;
  color: var(--shy-text-muted);
  font-size: 0.78rem;
}
.shy-assist-trace--live { margin: 0 0 0.5rem; }
.shy-assist-trace__thought {
  padding-left: 0.6rem;
  border-left: 2px solid var(--shy-border);
  font-style: italic;
}
.shy-assist-trace__thought > :first-child,
.shy-assist-trace__text > :first-child { margin-top: 0; }
.shy-assist-trace__thought > :last-child,
.shy-assist-trace__text > :last-child { margin-bottom: 0; }
.shy-assist-trace__text { color: var(--shy-text); }
.shy-assist-trace__tool {
  font-family: var(--shy-font-mono);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}
.shy-assist-trace__tool.is-error { color: var(--shy-danger); }

/* --- change cards --------------------------------------------------- */

.shy-assist-msg__actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}

.shy-assist-msg__actions:empty { display: none; }

.shy-assist-action {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--shy-border);
  border-left: 3px solid var(--shy-border-strong);
  border-radius: var(--shy-radius);
  background: var(--shy-surface);
  font-size: 0.85rem;
}

.shy-assist-action--applied { border-left-color: var(--shy-success); }
.shy-assist-action--awaiting-confirmation { border-left-color: var(--shy-warning); background: var(--shy-warning-tint); }
.shy-assist-action--failed { border-left-color: var(--shy-danger); }
.shy-assist-action--undone .shy-assist-action__summary,
.shy-assist-action--cancelled .shy-assist-action__summary { color: var(--shy-text-muted); text-decoration: line-through; }

.shy-assist-action__kit {
  margin-right: 0.35rem;
  color: var(--shy-text-faint);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.shy-assist-action__details { margin-top: 0.3rem; font-size: 0.78rem; }
.shy-assist-action__details summary { cursor: pointer; color: var(--shy-text-muted); }
.shy-assist-action__details ul {
  max-height: 16rem;
  overflow-y: auto;
  margin: 0.3rem 0 0;
  padding-left: 1.1rem;
}
.shy-assist-action__details li { margin: 0.1rem 0; }

.shy-assist-action__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.shy-assist-action__status { margin-right: auto; color: var(--shy-text-muted); font-size: 0.78rem; }
.shy-assist-action--applied .shy-assist-action__status { color: var(--shy-success); }
.shy-assist-action--awaiting-confirmation .shy-assist-action__status { color: var(--shy-warning); font-weight: 600; }
.shy-assist-action--failed .shy-assist-action__status { color: var(--shy-danger); }

.shy-assist-action__form { display: inline; margin: 0; }
.shy-assist-action__error { margin-top: 0.3rem; color: var(--shy-danger); font-size: 0.8rem; }

.shy-assist-btn {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--shy-border-strong);
  border-radius: var(--shy-radius-sm);
  background: var(--shy-surface);
  color: var(--shy-text);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.shy-assist-btn:hover { background: var(--shy-surface-alt); }
.shy-assist-btn--primary { border-color: var(--shy-brand); background: var(--shy-brand); color: var(--shy-brand-contrast); }
.shy-assist-btn--primary:hover { background: var(--shy-brand-hover); }

/* --- composer / ended ------------------------------------------------ */

.shy-assist__ended {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
  border-top: 1px solid var(--shy-border);
  background: var(--shy-surface);
  color: var(--shy-text-muted);
  font-size: 0.88rem;
}

.shy-assist-composer {
  margin: 0;
  padding: 0.6rem 0.7rem calc(0.6rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--shy-border);
  background: var(--shy-surface);
}

.shy-assist-composer__previews { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.shy-assist-composer__previews:not(:empty) { margin-bottom: 0.45rem; }

.shy-assist-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 12rem;
  padding: 0.2rem 0.3rem;
  border: 1px solid var(--shy-border);
  border-radius: var(--shy-radius);
  background: var(--shy-surface-alt);
  font-size: 0.75rem;
}

.shy-assist-chip img { width: 1.8rem; height: 1.8rem; border-radius: var(--shy-radius-sm); object-fit: cover; }
.shy-assist-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shy-assist-chip button {
  padding: 0 0.15rem;
  border: none;
  background: none;
  color: var(--shy-text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.shy-assist-composer__row { display: flex; align-items: flex-end; gap: 0.3rem; }

.shy-assist-composer textarea {
  flex: 1;
  min-width: 0;
  max-height: 12.5rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--shy-border-strong);
  border-radius: var(--shy-radius);
  background: var(--shy-surface);
  color: var(--shy-text);
  font: inherit;
  font-size: 1rem; /* under 16px, iOS zooms the page on focus */
  line-height: 1.35;
  resize: none;
}

.shy-assist-composer textarea:focus {
  border-color: var(--shy-brand);
  outline: 2px solid var(--shy-brand-ring);
  outline-offset: 0;
}

.shy-assist-iconbtn {
  flex: none;
  width: 2.35rem;
  height: 2.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--shy-radius);
  background: transparent;
  color: var(--shy-text-muted);
  cursor: pointer;
}

.shy-assist-iconbtn svg { width: 1.2rem; height: 1.2rem; }
.shy-assist-iconbtn:hover:not(:disabled) { background: var(--shy-surface-alt); color: var(--shy-text); }
.shy-assist-iconbtn:disabled { opacity: 0.4; cursor: not-allowed; }

.shy-assist-iconbtn--send { background: var(--shy-brand); color: var(--shy-brand-contrast); }
.shy-assist-iconbtn--send:hover:not(:disabled) { background: var(--shy-brand-hover); color: var(--shy-brand-contrast); }

.shy-assist-iconbtn.is-recording {
  background: var(--shy-danger);
  color: #fff;
  animation: shy-assist-pulse 1.4s ease-in-out infinite;
}

@keyframes shy-assist-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgb(179 38 30 / 45%); }
  50% { box-shadow: 0 0 0 8px rgb(179 38 30 / 0%); }
}

.shy-assist-composer__status { margin: 0.3rem 0.2rem 0; color: var(--shy-text-muted); font-size: 0.75rem; }
.shy-assist-composer__status:empty { display: none; }

.shy-assist-table-scroll { overflow-x: auto; }

@media print {
  .shy-assist-fab,
  .shy-assist-drawer { display: none !important; }
}