.help-chat{flex-direction:column;max-width:820px;min-height:100%;margin:0 auto;display:flex}.help-bar{border-bottom:1px solid var(--ion-border-color,var(--ion-color-step-150,#ddd));align-items:center;gap:8px;padding:8px 16px;display:flex}.help-bar ion-select{flex:auto;min-width:0}.help-messages{flex-direction:column;flex:auto;gap:10px;padding:12px 16px;display:flex}.help-msg{flex-direction:column;max-width:85%;display:flex}.help-user{align-self:flex-end;align-items:flex-end}.help-assistant{align-self:flex-start;align-items:flex-start}.help-system{align-self:center;align-items:center;max-width:95%}.help-bubble{white-space:pre-wrap;overflow-wrap:anywhere;border-radius:14px;padding:8px 12px;line-height:1.4}.help-user .help-bubble{background:var(--ion-color-primary);color:var(--ion-color-primary-contrast);border-bottom-right-radius:4px}.help-assistant .help-bubble{background:var(--ion-color-step-100,var(--ion-background-color-step-100,#f1f1f1));color:var(--ion-text-color);border-bottom-left-radius:4px}.help-system .help-bubble{color:var(--ion-color-medium);text-align:center;background:0 0;font-size:14px}.help-time{margin-top:2px;font-size:11px}.help-tool{align-self:flex-start;max-width:95%}.help-tool-note{padding-left:4px;font-size:12px;font-style:italic}.help-tool-detail{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ion-color-medium);margin:2px 0 0;font-size:11px}.help-typing{padding-left:8px}.help-offer{background:var(--ion-color-warning-tint);color:var(--ion-color-warning-contrast);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 12px;display:flex}.help-input{background:var(--ion-background-color,#fff);border-top:1px solid var(--ion-border-color,var(--ion-color-step-150,#ddd));align-items:flex-end;gap:8px;padding:8px 16px;display:flex;position:sticky;bottom:0}.help-input ion-textarea{--padding-start:12px;--padding-end:12px;border:1px solid var(--ion-color-step-200,#ccc);border-radius:18px;flex:auto;max-height:160px;overflow:auto}.help-footer{padding:0 16px calc(8px + env(safe-area-inset-bottom));justify-content:space-between;align-items:center;gap:8px;display:flex}.help-fab{z-index:15;position:fixed}.help-fab-btn{--box-shadow:0 3px 8px rgba(0,0,0,.3);text-transform:none;font-weight:600}body:has(.sub-banner) .help-fab{bottom:calc(52px + env(safe-area-inset-bottom))}