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.14s;display:grid}.send-button:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-1px)}.send-button:disabled{color:#aaa3ad;cursor:default;background:#e5e0e7}.stop-button{background:#3b3740}.file-chips{gap:7px;padding:4px 5px 3px;display:flex;overflow-x:auto}.file-chip{border:1px solid var(--line);background:#faf8fb;border-radius:11px;align-items:center;gap:8px;min-width:180px;max-width:260px;padding:7px 7px 7px 9px;display:flex}.file-chip>span{width:29px;height:29px;color:var(--accent);background:var(--accent-soft);border-radius:8px;place-items:center;display:grid}.file-chip div{flex-direction:column;flex:1;min-width:0;display:flex}.file-chip strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.file-chip small{color:var(--muted);font-size:9px}.file-chip button{cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;padding:4px;display:grid}.file-chip button:hover{background:#eee9f0}.composer-note,.composer-error{text-align:center;margin:7px auto 0;font-size:10px}.composer-note{color:#9a949d}.composer-error{color:#b13f50}.sidebar-scrim{display:none}@media (max-width:760px){.sidebar{width:min(310px,88vw);min-width:min(310px,88vw);position:fixed;top:0;bottom:0;left:0;transform:translate(-105%);box-shadow:18px 0 50px #1b132029}.sidebar.is-open{transform:translate(-105%)}.sidebar.is-mobile-open{transform:translate(0)}.sidebar-scrim{z-index:25;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#19131d42;border:0;display:block;position:fixed;inset:0}.rail-actions,.sidebar-collapse{display:none}.mobile-header{border-bottom:1px solid #e7e2e9cc;justify-content:space-between;align-items:center;height:54px;padding:7px 10px;display:flex}.mobile-header span{align-items:center;gap:6px;font-size:13px;font-weight:720;display:flex}.chat-toolbar{height:48px;padding:5px 11px}.conversation.is-empty{padding:20px 17px 205px}.empty-state{margin-top:-10px}.hero-mark{width:47px;height:47px;margin-bottom:14px}.empty-state h1{font-size:27px}.prompt-grid{grid-template-columns:1fr}.prompt-grid button:nth-child(n+3){display:none}.messages-column{width:calc(100% - 24px);padding-top:12px}.message{gap:9px;margin-bottom:23px}.message-body,.assistant-message .message-body{max-width:calc(100% - 36px)}.user-message .message-body{max-width:90%}.assistant-avatar{width:26px;min-width:26px;height:26px}.composer-zone{padding:25px 10px 7px}.composer{border-radius:19px}.composer-tool{display:none}.composer-note{font-size:9px}.model-menu{width:auto;position:fixed;inset:auto 10px 96px}.in-chat-search{width:calc(100% - 20px);top:100px;right:10px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}