.mobile-assistant-reply-row[hidden],
.mobile-assistant-collapse[hidden],
.mobile-assistant-bubble[hidden] {
  display: none;
}

.mobile-assistant-reply-row {
  flex: none;
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid var(--ui-border);
}

.mobile-assistant-reply {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  text-align: left;
  color: var(--ui-text-soft);
}

.mobile-assistant-collapse {
  min-width: 44px;
  min-height: 44px;
  margin-right: auto;
  font-size: 22px;
}

.mobile-assistant-bubble {
  position: absolute;
  right: max(12px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 50;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--ui-border-strong);
  border-radius: 50%;
  background: var(--ui-surface);
  color: var(--ui-text);
  box-shadow: 0 4px 16px var(--ui-menu-shadow);
  cursor: pointer;
}

.mobile-assistant-bubble svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
}

.mobile-assistant-bubble[aria-expanded="true"] { background: var(--ui-primary); color: var(--ui-on-primary); }
.mobile-assistant-bubble[aria-expanded="true"] svg { display: none; }
.mobile-assistant-bubble[aria-expanded="true"]::before { content: ""; width: 18px; height: 2px; background: currentColor; }
.assistant-reader-host[hidden] { display: none; }
.assistant-reader-host {
  position: fixed; z-index: 1000;
  top: var(--mobile-viewport-top, 0px); left: var(--mobile-viewport-left, 0px);
  width: var(--mobile-viewport-width, 100vw); height: var(--mobile-viewport-height, 100dvh);
  min-width: 0; min-height: 0;
  pointer-events: none;
}
.assistant-reader-host #assistant-panel {
  pointer-events: auto;
}
.assistant-reader-dock {
  position: absolute; right: max(12px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  width: 48px; height: 48px; z-index: 100;
  pointer-events: none;
}
.assistant-reader-dock .mobile-assistant-bubble { position: static; pointer-events: auto; }
.assistant-reader-host .assistant-header { display: block; padding: 4px 8px; }
.assistant-reader-host .assistant-header h2 { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); }
.assistant-reader-host .assistant-header-actions { display: flex; flex-wrap: nowrap; gap: 0; width: 100%; }
.assistant-reader-host #assistant-history { order: 0; flex: 1 1 auto; width: 0; min-width: 0; max-width: none; height: 44px; }
.assistant-reader-host .assistant-header-actions > button { flex: 0 0 44px; width: 44px; min-width: 44px; max-width: 44px; padding: 0; }
.assistant-reader-host #assistant-full-page { display: none !important; }

.assistant-window-move[hidden] { display: none !important; }
.assistant-window-move {
  flex: 0 0 44px; width: 44px; min-width: 44px; min-height: 44px;
  padding: 10px; cursor: move; touch-action: none;
}
.assistant-window-move svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 4; stroke-linecap: round; }
:root #assistant-panel[data-floating="true"] {
  border: 1px solid var(--ui-border-strong); border-radius: 8px;
  box-shadow: 0 8px 28px var(--ui-menu-shadow);
}
:root #assistant-panel[data-floating="true"][data-compact="true"] { padding-bottom: 44px; overflow-y: auto; }
:root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-header {
  display: flex; flex-wrap: nowrap; gap: 0; padding: 4px 8px;
  cursor: move; touch-action: none;
}
:root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-header-actions { flex: 1 1 auto; width: 0; min-width: 0; }
:root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-header h2 { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); }
:root #assistant-panel[data-floating="true"][data-compact="true"] #assistant-history { flex: 1 1 auto; width: 0; min-width: 0; max-width: none; height: 44px; }
:root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-header-actions > button { flex: 0 0 44px; width: 44px; min-width: 44px; max-width: 44px; padding: 0; }
:root #assistant-panel[data-floating="true"][data-compact="true"] #assistant-full-page { display: none; }
:root #assistant-panel[data-floating="true"][data-compact="true"] #assistant-resize-bottom {
  display: grid !important; width: 80px; height: 44px; min-height: 44px; bottom: 0;
}
:root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-form { flex: 0 1 auto; min-height: 0; max-height: 50%; overflow-y: auto; padding: 8px 12px; }
:root #assistant-panel[data-floating="true"][data-compact="true"] #assistant-message { min-height: 40px !important; resize: none; }
:root #assistant-panel[data-floating="true"][data-compact="true"] .device-assistant-host { flex: 1 1 auto; min-height: 0; overflow-y: auto; }

@media (min-width: 821px) and (pointer: coarse) and (max-height: 600px) {
  :root:not(.mobile-layout-active)[data-research-shell="ready"] #assistant-toggle {
    display: grid; place-items: center; width: 48px; height: 48px; min-width: 48px;
    padding: 0; border-radius: 50%; font-size: 0;
    left: calc(var(--mobile-viewport-left, 0px) + var(--mobile-viewport-width, 100vw) - max(12px, env(safe-area-inset-right, 0px)) - 48px);
    top: calc(var(--mobile-viewport-top, 0px) + var(--mobile-viewport-height, 100dvh) - max(16px, env(safe-area-inset-bottom, 0px)) - 48px);
    right: auto; bottom: auto;
  }
  .assistant-toggle::before { content: ""; width: 20px; height: 16px; border: 2px solid currentColor; border-radius: 4px; }
  .assistant-toggle[aria-expanded="true"] { visibility: visible; }
  .assistant-toggle[aria-expanded="true"]::before { width: 18px; height: 2px; border: 0; border-radius: 0; background: currentColor; }
}

.mobile-assistant-bubble:focus-visible {
  outline: 2px solid var(--ui-focus);
  outline-offset: 3px;
}

.mobile-assistant-bubble:is([data-state="running"], [data-state="unread"])::after,
.mobile-primary-button:is([data-assistant-state="running"], [data-assistant-state="unread"])::after {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--ui-surface);
  border-radius: 50%;
  background: var(--ui-primary);
  content: "";
}

@media (max-width: 820px), (pointer: coarse) and (max-height: 600px) {
  .assistant-panel :is(#assistant-resize, #assistant-resize-left, #assistant-resize-right, #assistant-resize-top, #assistant-resize-bottom) {
    display: none;
  }
  #assistant-form[data-mobile-collapsed="true"] {
    display: none;
  }
}

@media (max-width: 820px), (pointer: coarse) and (max-height: 600px) {
  #mobile-primary-navigation {
    grid-template-columns: repeat(var(--mobile-navigation-columns, 3), minmax(0, 1fr));
    padding-right: calc(76px + env(safe-area-inset-right, 0px));
  }
  #mobile-primary-navigation [data-mobile-pane="assistant"] {
    position: fixed;
    left: calc(var(--mobile-viewport-left, 0px) + var(--mobile-viewport-width, 100vw) - max(12px, env(safe-area-inset-right, 0px)) - 48px);
    top: calc(var(--mobile-viewport-top, 0px) + var(--mobile-viewport-height, 100dvh) - max(16px, env(safe-area-inset-bottom, 0px)) - 48px);
    right: auto;
    bottom: auto;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    border: 1px solid var(--ui-border-strong);
    border-radius: 50%;
    background: var(--ui-primary);
    color: var(--ui-on-primary);
    box-shadow: 0 4px 12px var(--ui-menu-shadow);
  }
  #mobile-primary-navigation [data-mobile-pane="assistant"] .mobile-primary-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  #mobile-primary-navigation [data-mobile-pane="assistant"]::before { content: none; }
  #mobile-primary-navigation [data-mobile-pane="assistant"][aria-pressed="true"] > svg { visibility: hidden; }
  #mobile-primary-navigation [data-mobile-pane="assistant"][aria-pressed="true"]::before {
    content: "";
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    transform: translate(-50%, -50%);
    background: currentColor;
  }
  #assistant-panel .assistant-header { display: block; padding: 4px 8px; }
  #assistant-panel .assistant-header h2 { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); }
  #assistant-panel .assistant-header-actions { display: flex; flex-wrap: nowrap; gap: 0; width: 100%; }
  #assistant-panel #assistant-history { order: 0; flex: 1 1 auto; width: 0; min-width: 0; max-width: none; height: 44px; }
  #assistant-panel .assistant-header-actions > button { flex: 0 0 44px; width: 44px; max-width: 44px; min-width: 44px; padding: 0; }
  #assistant-panel #assistant-full-page { display: none; }
}