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#00000040}.sidebar.mobile-open{transform:translate(0)}.sidebar.collapsed{flex-basis:274px;align-items:stretch;width:274px}.sidebar.collapsed .new-chat-button{justify-content:flex-start;width:100%;padding:11px 12px}.sidebar.collapsed .new-chat-button span,.sidebar.collapsed .new-chat-button kbd,.sidebar.collapsed .sidebar-footer span{display:inline}.sidebar-close{margin-left:auto;display:grid}.drawer-scrim{z-index:19;background:#00000073;position:fixed;inset:0}.mobile-menu-button{z-index:10;width:34px;height:34px;color:var(--text);background:var(--surface);border:1px solid var(--border);position:fixed;top:18px;left:15px}.desktop-sidebar-toggle{display:none}.mobile-header-menu{display:grid}.chat-header{gap:10px;min-height:69px;padding:14px 16px 14px 60px}.header-title h1{max-width:38vw;font-size:14px}.header-settings span{display:none}.header-settings{margin-left:auto}.model-selector{min-width:135px;height:34px}.message-scroll{padding:23px 16px 24px}.composer-wrap{width:calc(100% - 22px);margin-bottom:12px}.prompt-grid{grid-template-columns:1fr;max-width:320px;margin-top:27px}.welcome-state{min-height:62vh}.welcome-state h2{font-size:34px}.welcome-state p{font-size:13px}.suggestion-row{max-width:315px}}@media (width<=480px){.auth-visual{min-height:170px}.auth-visual p{display:none}.auth-form-panel{min-height:calc(100vh - 170px);padding-top:28px}.header-title .eyebrow{display:none}.header-title h1{max-width:30vw;margin-top:0;font-size:13px}.model-selector{gap:5px;min-width:119px;padding:0 8px}.model-selector-name{font-size:10px}.message-row,.thinking-row{gap:9px;margin-bottom:23px}.message-avatar{border-radius:8px;flex-basis:25px;width:25px;height:25px}.message-content{font-size:12.5px;line-height:1.65}.message-actions button{padding-left:0;padding-right:8px}.composer-hint{font-size:8px}}