/* Approved A foundation, with document and project context only when requested. */
/* Bound decorations when original controls return from the mobile action menu. */
#s-chat .chat-model-card>:is(#chatProfile,#chatContext){display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 8px;font-size:12px;white-space:nowrap}
#s-chat .chat-model-card>:is(#chatProfile,#chatContext)>svg{width:16px;height:16px;flex:0 0 16px}
#s-chat .chat-main{position:relative;background:var(--ui-bg);padding:20px 24px 12px}#s-chat .chat-main-head{margin-bottom:8px}#s-chat .chat-main-title #chatProjects.cx-project-trigger{display:flex;min-height:24px;padding:2px 0;background:transparent;border:0;color:var(--ui-text-muted);font-size:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;justify-content:flex-start}#s-chat .chat-main-title #chatProjects:hover{color:var(--ui-link)}#s-chat .chat-model-card{grid-template-columns:minmax(150px,1fr) auto auto;gap:5px;margin-bottom:0!important}#s-chat .chat-model-card .provider-picker-current{display:none}#s-chat .chat-model-card>.cx-profile{grid-column:2;order:2}#s-chat .chat-model-card>.cx-context{grid-column:3;order:3}#s-chat .chat-model-card .provider-picker-trigger{min-height:40px}#s-chat #chatLog{background:transparent;border:0;box-shadow:none;padding:26px max(4px,calc((100% - 760px)/2));margin:0;scrollbar-gutter:stable}#s-chat .chat-main>.chat-composer{width:min(100%,780px);margin:0 auto!important;background:var(--ui-surface);padding:10px 12px!important;border-radius:17px}#s-chat .chat-composer .chat-compose-toolbar{grid-template-columns:minmax(0,1fr) auto;border-top:0;padding-top:2px}#s-chat .chat-composer #chatOptionsButton{width:42px;min-width:42px;padding:0;border:0;background:transparent;position:relative}#s-chat .cx-settings-trigger>span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#s-chat .cx-settings-trigger #chatOptionsCount{position:absolute;width:auto;height:16px;clip:auto;top:0;inset-inline-end:0;font-size:10px;min-width:16px}#s-chat .chat-main-head .chat-save-bar{flex:0 1 auto;font-size:10px;gap:2px;max-width:230px}#s-chat .chat-save-more{display:none}#s-chat .chat-save-action{max-width:165px;overflow:hidden;text-overflow:ellipsis}#s-chat .chat-save-popover{top:calc(100% + 8px);bottom:auto}#s-chat .chat-main-head .chat-save-bar strong{max-width:130px;font-size:10px}#s-chat .chat-save-bar #chatSaveMsg:not(:empty){position:fixed;inset:auto 20px 90px auto;max-width:420px}#s-chat .chat-save-head{flex-wrap:wrap;gap:2px 7px}#s-chat .cx-composer-foot{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--ui-text-muted);font-size:11px;flex:0 0 auto;padding-top:8px}#s-chat .cx-composer-foot button{font-size:11px;background:none;border:0;min-height:24px;padding:0;color:var(--ui-link);text-decoration:underline}.cx-button{min-height:36px;padding:7px 10px;border:0;background:transparent;color:var(--ui-text-muted);font:inherit;font-size:12px;border-radius:9px;cursor:pointer}.cx-button:hover{background:var(--ui-surface-raised);color:var(--ui-text)}.cx-reasoning-settings{padding:14px;margin-bottom:14px;border:1px solid var(--ui-divider);border-radius:12px}.cx-reasoning-settings h3{margin:0 0 10px;font-size:14px}.cx-reasoning-settings .ca-reasoning{display:block}.cx-reasoning-settings .ca-reasoning-trigger{width:100%;justify-content:space-between}.cx-dialog{width:min(570px,calc(100vw - 28px));padding:22px;background:var(--ui-surface);color:var(--ui-text);border:1px solid var(--ui-control-border);border-radius:18px;max-height:calc(100dvh - 50px);overflow:auto}.cx-dialog::backdrop{background:var(--ui-overlay)}.cx-dialog header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.cx-dialog h2{font-size:20px;margin:0}.cx-dialog header button{font-size:23px;min-width:42px;min-height:42px}.cx-dialog>button{display:block;text-align:start;width:100%;padding:14px;border:1px solid var(--ui-divider);border-radius:10px;background:var(--ui-surface-raised);color:var(--ui-text);margin-bottom:9px;font:inherit}.cx-dialog>.hint{margin-top:15px;font-size:12px}.cx-context-row{display:flex;gap:20px;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--ui-divider);font-size:13px;overflow-wrap:anywhere}.cx-context-row span{color:var(--ui-text-muted)}.cx-context-row strong{font-weight:550;text-align:end;max-width:65%;white-space:pre-wrap}.cx-error{color:var(--ui-danger);font-size:12px;line-height:1.6;margin:0 0 9px}.cx-activity{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ui-text-muted);padding:8px 12px;width:min(100%,780px);margin:0 auto}.cx-activity:before{content:'';width:14px;height:14px;flex:none;border:2px solid var(--ui-divider);border-top-color:var(--ui-action);border-radius:50%;animation:cx-spin .8s linear infinite}@keyframes cx-spin{to{transform:rotate(360deg)}}#s-chat:has(.cx-stop:not([hidden])) .ca-stop{display:none}#s-chat .cx-empty-title{font-size:clamp(23px,3vw,33px);font-weight:600;color:var(--ui-text);letter-spacing:-.7px}.cx-starters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:20px auto;max-width:580px}.cx-starters button{border:1px solid var(--ui-divider);background:var(--ui-surface);padding:12px 15px;font-size:13px;min-height:44px}#s-chat .chat-workspace.cx-panel-open{grid-template-columns:minmax(190px,230px) minmax(260px,1fr) minmax(330px,.85fr)}#s-chat .chat-workspace.history-collapsed.cx-panel-open{grid-template-columns:minmax(260px,1fr) minmax(330px,.8fr)}#s-chat .cx-panel{display:flex;flex-direction:column;min-width:0;min-height:0;border:1px solid var(--ui-divider);border-radius:18px;background:var(--ui-surface);overflow:hidden}.cx-panel>header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--ui-divider);gap:10px}.cx-panel h2{font-size:18px;margin:0}.cx-panel>header button{font-size:23px;min-width:42px}.cx-panel-body{padding:18px;flex:1;overflow:auto;min-height:0}.cx-panel-body>.hint{font-size:13px}.cx-panel>footer{display:flex;gap:8px;flex-wrap:wrap;padding:14px 18px;border-top:1px solid var(--ui-divider)}.cx-panel>footer button{border:1px solid var(--ui-control-border);min-height:42px}.cx-document-body{height:100%;min-height:360px}.cx-document-body iframe{width:100%;height:100%;min-height:430px;border:1px solid var(--ui-divider);border-radius:8px;background:white}.cx-document-body pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.7 monospace;margin:0}.cx-artifact-tabs{display:flex;gap:7px;margin-bottom:14px}.cx-artifact-tabs button[aria-pressed=true]{background:var(--ui-surface-raised);color:var(--ui-text)}.cx-project-item{padding:15px 0;border-top:1px solid var(--ui-divider);display:grid;gap:8px}.cx-project-item strong{font-size:14px}.cx-project-item small{font-size:12px;color:var(--ui-text-muted)}.cx-project-item button{justify-self:start;background:var(--ui-surface-raised);border:1px solid var(--ui-divider)}.cx-project-instructions{padding:14px;background:var(--ui-surface-raised);border-radius:10px;white-space:pre-wrap;font-size:13px;overflow-wrap:anywhere}.cx-panel .hint{overflow-wrap:anywhere}.cx-panel-open .chat-main-head .chat-save-bar{display:none}
@media(max-width:1200px) and (min-width:901px){#s-chat .chat-workspace.cx-panel-open{grid-template-columns:minmax(0,1fr) minmax(330px,.9fr)}#s-chat .cx-panel-open .chat-history-panel{display:none}#s-chat .chat-main{padding:16px}}
@media(max-width:900px){#s-chat.chat-screen:not([hidden]){display:flex;flex-direction:column;height:100%;min-height:0}#s-chat .chat-workspace,#s-chat .chat-workspace.cx-panel-open{position:relative;display:flex;flex:1;min-height:0;gap:0}#s-chat .chat-main{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden;padding:12px}#s-chat .chat-main>#chatLog{flex:1;min-height:0;overflow:auto;padding:22px 3px}#s-chat .chat-main>.card{flex:none}#s-chat .chat-main-head #newChat,#s-chat .chat-main-head #chatMoreButton{min-width:36px;width:36px;min-height:36px;padding:0}#s-chat .chat-new-label{display:none}#s-chat .chat-main-head .chat-save-bar{display:none}#s-chat .chat-main-title strong{font-size:13px}#s-chat .chat-main-title #chatProjects.cx-project-trigger{font-size:11px}#s-chat .chat-model-card{grid-template-columns:minmax(0,1fr) auto auto;gap:2px}#s-chat .chat-model-card .provider-picker-trigger{grid-column:1;min-width:0;gap:5px;padding:5px 2px}#s-chat .chat-model-card .provider-picker-trigger>.provider-picker-logo{width:22px;height:22px;flex-basis:22px}#s-chat .chat-model-card .provider-picker-trigger>.provider-picker-logo img{width:16px;height:16px}#s-chat .chat-model-card .provider-picker-copy strong{font-size:11px}#s-chat .chat-model-card>.cx-profile,#s-chat .chat-model-card>.cx-context{font-size:11px;padding:6px;max-width:105px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#s-chat .cx-panel{position:absolute;inset:0;z-index:42;width:100%;border-radius:12px}#s-chat .chat-workspace.cx-panel-open{grid-template-columns:1fr}#s-chat .chat-main>.chat-composer{padding:9px!important}#s-chat .cx-composer-foot{font-size:9px;gap:5px;flex-wrap:wrap;line-height:1.4;padding-top:5px}#s-chat .cx-composer-foot button{font-size:10px;min-height:20px}#s-chat .chat-compose-tools{gap:3px}#s-chat .chat-compose-icon,#s-chat .chat-compose-send{width:40px;height:40px;min-height:40px}#s-chat .cx-starters{gap:8px}.cx-starters button{padding:10px;font-size:12px}#s-chat .chat-history-panel{z-index:45}.cx-document-body{min-height:300px}.cx-document-body iframe{min-height:340px}}
#s-chat .chat-main-head .chat-save-more{display:block}.cx-save-dialog .chat-save-bar{display:flex;flex-direction:column;align-items:stretch;gap:16px}.cx-save-dialog .chat-save-head{display:grid;gap:10px}.cx-save-dialog .chat-save-more{display:block}.cx-save-dialog .chat-save-popover{position:static;width:100%;margin-top:12px;box-shadow:none}.cx-save-dialog .chat-save-action{max-width:none;white-space:normal;font-size:14px;padding:10px}.cx-save-dialog .chat-save-bar strong{max-width:none}.cx-save-dialog #chatSaveMsg{position:static!important}.cx-save-dialog .chat-save-title input{width:100%}
#s-chat #chatLog>.empty{background:transparent!important;border:0;box-shadow:none;min-height:0;padding:20px;display:flex;flex-direction:column;justify-content:center}html[data-ui] body #s-chat #chatInput{border:0!important;background:transparent;resize:none;min-height:54px;font-size:16px!important;box-shadow:none}html[data-ui] body #s-chat #chatInput:focus{outline:0;box-shadow:none}.cx-dialog h2{margin-bottom:15px}.cx-panel .cx-document-body{height:auto;flex:1}.cx-panel:has(.cx-document-body) .cx-panel-body{display:flex;flex-direction:column}.cx-project-item .hint{margin:0;font-size:12px}
html[data-ui] body #s-chat #chatInput:focus-visible{outline:0!important;box-shadow:none!important}#s-chat .chat-composer:focus-within{border-color:var(--ui-focus);box-shadow:0 0 0 1px var(--ui-focus)}
@media(prefers-reduced-motion:reduce){.cx-activity:before{animation:none;border-right-color:var(--ui-action)}}

/* Chat UI review: controls keep separate hit areas and a single visible focus. */
html[data-ui] body #s-chat .chat-composer:focus-within {
  border-color: var(--ui-control-border);
  box-shadow: none;
}
html[data-ui] body #s-chat .chat-composer:has(#chatInput:focus) {
  border-color: var(--ui-focus);
  box-shadow: 0 0 0 1px var(--ui-focus);
}
#s-chat .chat-compose-toolbar { gap: 12px; }
#s-chat .chat-compose-tools { flex: 1 1 auto; min-width: 0; gap: 8px; }
html[data-ui] body #s-chat .chat-compose-tools :is(.chat-compose-icon,#chatOptionsButton) {
  flex: 0 0 44px; width: 44px; min-width: 44px; height: 44px;
  min-height: 44px; padding: 0; border: 1px solid transparent;
  border-radius: 10px; background: transparent; color: var(--ui-text-muted);
}
html[data-ui] body #s-chat .chat-compose-tools :is(.chat-compose-icon,#chatOptionsButton):hover {
  background: var(--ui-surface-raised); color: var(--ui-text);
}
html[data-ui] body #s-chat #chatWebToggle {
  flex: 0 1 auto; min-width: 54px; max-width: 140px; min-height: 44px;
  padding: 8px 10px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; font-size: 12px; border-radius: 10px;
}
html[data-ui] body #s-chat .chat-composer button:focus:not(:focus-visible) { outline: none; box-shadow: none; }
html[data-ui] body #s-chat .chat-composer button:focus-visible {
  outline: 2px solid var(--ui-focus); outline-offset: 2px; box-shadow: none;
}
#s-chat #chatOptionsCount { display: none !important; }

/* One modal, one internal scroller; the header, section tabs and close action stay visible. */
#chatOptionsDialog {
  position: fixed; inset: 0; margin: auto;
  width: min(680px, calc(100vw - 32px)); max-width: calc(100vw - 32px);
  height: min(760px, calc(100dvh - 32px));
  max-height: calc(var(--app-h,100dvh) - 24px);
  padding: 0; border: 1px solid var(--ui-control-border); border-radius: 18px;
  background: var(--ui-surface); color: var(--ui-text); overflow: hidden;
}
#chatOptionsDialog[open] { display: flex; flex-direction: column; animation: none; }
#chatOptionsDialog::backdrop { background: #020a15b3; backdrop-filter: blur(3px); }
#chatOptionsDialog .chat-options-head { padding: 20px 22px; flex: 0 0 auto; align-items: center; }
#chatOptionsDialog .chat-options-head h2 { margin: 0 0 4px; font-size: 20px; }
#chatOptionsDialog .chat-options-head p { margin: 0; font-size: 13px; }
#chatOptionsDialog .chat-settings-tabs {
  display: flex; flex: 0 0 auto; gap: 4px; padding: 6px 20px 0;
  border-bottom: 1px solid var(--ui-divider);
}
#chatOptionsDialog .chat-settings-tabs button {
  flex: 1 1 0; min-width: 0; min-height: 44px; padding: 10px;
  border: 0; border-bottom: 3px solid transparent; border-radius: 6px 6px 0 0;
  background: transparent; color: var(--ui-text-muted); font-size: 14px;
}
#chatOptionsDialog .chat-settings-tabs button[aria-selected=true] {
  color: var(--ui-link); border-bottom-color: var(--ui-action); background: var(--ui-surface-raised);
}
#chatOptionsDialog .chat-options-body {
  flex: 1 1 0; min-height: 0; overflow-y: auto; overflow-x: hidden;
  overscroll-behavior: contain; scrollbar-gutter: stable; padding: 20px;
}
#chatOptionsDialog .chat-settings-page { min-width: 0; }
#chatOptionsDialog .chat-settings-page > :last-child { margin-bottom: 0; }
#chatOptionsDialog .chat-settings-page > .card { padding: 16px; margin-bottom: 16px; }
#chatOptionsDialog .chat-budget-presets { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
#chatOptionsDialog .chat-budget-presets button { padding: 12px; min-width: 0; font-size: 13px; }
#chatOptionsDialog .chat-budget-presets button small { font-size: 12px; line-height: 1.5; }
#chatOptionsDialog .cx-reasoning-settings { margin: 0 0 16px; padding: 16px; }
#chatOptionsDialog .chat-settings-footer {
  display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 22px; border-top: 1px solid var(--ui-divider); background: var(--ui-surface);
}
#chatOptionsDialog .chat-settings-footer span { flex: 1 1 auto; color: var(--ui-text-muted); font-size: 12px; }
#chatOptionsDialog .chat-settings-footer button { flex: 0 0 auto; width: auto; min-width: 100px; min-height: 44px; }
#chatOptionsDialog :is(.chat-settings-help,.chat-settings-media,.chat-settings-billing) {
  border: 1px solid var(--ui-divider); border-radius: 12px; padding: 12px 14px; margin-top: 16px;
}
#chatOptionsDialog :is(.chat-settings-help,.chat-settings-media,.chat-settings-billing) > summary {
  cursor: pointer; color: var(--ui-text); font-size: 13px; padding: 3px 0;
}
#chatOptionsDialog .chat-settings-help p { margin: 12px 0 0; font-size: 12px; }
#chatOptionsDialog .chat-settings-billing { margin: 0; padding: 10px 12px; }
#chatOptionsDialog .chat-settings-billing p { margin: 12px 0 0; font-size: 12px; }
#chatOptionsDialog .chat-settings-media .card { border: 0; padding: 12px 0 0; margin: 0; }
#chatOptionsDialog .ca-context { margin: 0 0 18px; }
#chatOptionsDialog #chatPersonalizationButton { width: 100%; text-align: start; margin: 0; }
#chatOptionsDialog #chatAssistantOptions > strong { display: block; margin-bottom: 12px; }
@media(max-width:600px) {
  #chatOptionsDialog { width: calc(100vw - 20px); max-width: calc(100vw - 20px); height: min(760px,calc(100dvh - 24px)); border-radius: 16px; }
  #chatOptionsDialog .chat-options-head { padding: 15px; gap: 10px; }
  #chatOptionsDialog .chat-options-head h2 { font-size: 18px; }
  #chatOptionsDialog .chat-options-head p { font-size: 12px; }
  #chatOptionsDialog .chat-settings-tabs { padding-inline: 12px; }
  #chatOptionsDialog .chat-settings-tabs button { padding-inline: 6px; font-size: 13px; }
  #chatOptionsDialog .chat-options-body { padding: 14px; }
  #chatOptionsDialog .chat-settings-page > .card { padding: 13px; }
  #chatOptionsDialog .chat-settings-footer { padding: 12px 15px; gap: 10px; }
  #chatOptionsDialog .chat-settings-footer span { font-size: 11px; }
  #chatOptionsDialog .chat-settings-footer button { min-width: 88px; }
}
@media(max-height:550px) {
  #chatOptionsDialog .chat-options-head { padding-block: 10px; }
  #chatOptionsDialog .chat-options-head p { display: none; }
  #chatOptionsDialog .chat-settings-footer { padding-block: 8px; }
}