.layout{grid-template-columns:76px 1fr;transition:grid-template-columns .25s ease}.layout.history-open{grid-template-columns:290px 1fr}.sidebar{width:76px;padding:14px 10px;transition:width .25s ease;z-index:20}.history-open .sidebar{width:290px;padding:14px}.history-toggle{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:#10263a;color:var(--text);padding:10px;cursor:pointer}.history-toggle span{display:grid;place-items:center;min-width:26px;font-size:1.45rem}.history-toggle b{display:none}.history-open .history-toggle b{display:block}.history-panel{display:none;margin-top:12px}.history-open .history-panel{display:block}.history-backdrop{display:none}.history-open .conversation-link{white-space:nowrap}.history-open #conversationList{display:block}@media(max-width:850px){.layout,.layout.history-open{display:block}.sidebar,.history-open .sidebar{position:fixed;top:0;bottom:0;left:0;height:100vh;width:290px;padding:14px;transform:translateX(-100%);border-right:1px solid var(--line);border-bottom:0}.history-open .sidebar{transform:translateX(0)}.history-toggle{position:fixed;top:82px;left:12px;width:48px;z-index:22;box-shadow:0 8px 24px #0007}.history-toggle b{display:none!important}.history-open .history-toggle{position:static;width:100%}.history-panel,.history-open .history-panel{display:block}.history-backdrop{position:fixed;inset:0;border:0;background:#0009;z-index:19}.history-open .history-backdrop{display:block}.sidebar h2,#conversationList{display:block}.new-chat{width:100%}}