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button,.composer{transition:none}.typing-dot{animation:none;opacity:.5}.loader-ring{animation:none;border-top-color:var(--accent)}}@media(max-width:680px){.app-shell{grid-template-columns:0 minmax(0,1fr);touch-action:pan-y}.app-shell.sidebar-open{grid-template-columns:0 minmax(0,1fr)}.app-shell .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;width:var(--sidebar-width);border-right:1px solid var(--line);box-shadow:4px 0 24px rgba(0,0,0,calc(.34 * var(--sidebar-progress)));opacity:1;pointer-events:auto;transform:translate3d(calc((var(--sidebar-progress) - 1) * var(--sidebar-width)),0,0);transition:transform .22s cubic-bezier(.16,1,.3,1),box-shadow .22s cubic-bezier(.16,1,.3,1);will-change:transform}.app-shell.sidebar-open .sidebar,.app-shell.sidebar-closed .sidebar{width:var(--sidebar-width);opacity:1;border-right:1px solid var(--line)}.app-shell.sidebar-closed:not(.sidebar-dragging) .sidebar{pointer-events:none}.app-shell.sidebar-dragging .sidebar,.app-shell.sidebar-dragging .sidebar-backdrop{transition:none}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;border:0;background:rgba(0,0,0,calc(.22 * var(--sidebar-progress)));opacity:var(--sidebar-progress);pointer-events:none;transition:opacity .22s cubic-bezier(.16,1,.3,1),background-color .22s cubic-bezier(.16,1,.3,1)}.app-shell.sidebar-open .sidebar-backdrop{pointer-events:auto}.sidebar-toggle{display:inline-flex!important}.topbar{position:fixed;top:0;left:0;right:0;height:52px;background:color-mix(in srgb,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);z-index:30}.chat-stage{padding-top:52px}.conversation{padding:0 14px calc(14px + var(--app-bottom-inset))}.empty-state{padding:28px 16px}.message.user{max-width:92%}}