:root{--chatlp-bg:#131314;--chatlp-surface:#1e1f20;--chatlp-surface-hover:#2a2b2d;--chatlp-surface-active:#333537;--chatlp-text:#e3e3e3;--chatlp-text-muted:#9aa0a6;--chatlp-text-dim:#5f6368;--chatlp-accent:#e89b26;--chatlp-accent-soft:rgba(232,155,38,.15);--chatlp-user-bubble:#303134;--chatlp-border:hsla(0,0%,100%,.08);--chatlp-border-strong:hsla(0,0%,100%,.15);--chatlp-input-bg:#1e1f20;--chatlp-input-border:hsla(0,0%,100%,.12);--chatlp-sidebar-w:260px;--chatlp-chat-max-w:768px;--chatlp-radius:24px;--chatlp-radius-sm:12px;--chatlp-radius-input:28px}.chatlp{display:flex;height:100vh;height:100dvh;background:var(--chatlp-bg);color:var(--chatlp-text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden}.chatlp-sidebar{background:var(--chatlp-surface);display:flex;flex-direction:column;overflow:visible;transition:width .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;border-right:1px solid var(--chatlp-border)}.chatlp-sidebar.expanded{width:var(--chatlp-sidebar-w)}.chatlp-sidebar.collapsed{width:68px}.chatlp-sidebar-toggle-area{padding:12px 16px;display:flex;align-items:center;justify-content:flex-start}.chatlp-sidebar-collapsed-icons{display:flex;flex-direction:column;align-items:center;padding:8px 0;gap:12px}.chatlp-collapsed-action{width:44px!important;height:44px!important;border-radius:12px!important;background:var(--chatlp-surface)!important;color:var(--chatlp-text-muted)!important;box-shadow:0 4px 12px rgba(0,0,0,.2)}.chatlp-collapsed-action:hover{background:var(--chatlp-surface-hover)!important;transform:translateY(-1px)}.chatlp-sidebar-header{padding:16px;display:flex;flex-direction:column;gap:12px}.chatlp-sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 0}.chatlp-sidebar-brand-icon{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--chatlp-accent) 0,#d4891f 100%);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.chatlp-sidebar-brand-name{font-size:16px;font-weight:700;letter-spacing:-.02em;color:var(--chatlp-text)}.chatlp-new-chat-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 16px;border-radius:var(--chatlp-radius);border:1px solid var(--chatlp-border-strong);background:transparent;color:var(--chatlp-text);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.chatlp-new-chat-btn:hover{background:var(--chatlp-surface-hover)}.chatlp-sidebar-search{position:relative;padding:0 16px 8px;display:flex;align-items:center}.chatlp-sidebar-search-icon{position:absolute;left:26px;color:var(--chatlp-text-dim);pointer-events:none}.chatlp-sidebar-search-input{width:100%;background:var(--chatlp-surface);border:1px solid transparent;border-radius:8px;padding:8px 10px 8px 30px;color:var(--chatlp-text);font-size:13px;outline:none;transition:border-color .15s,background .15s}.chatlp-sidebar-search-input::placeholder{color:var(--chatlp-text-dim)}.chatlp-sidebar-search-input:focus{border-color:var(--chatlp-surface-active);background:var(--chatlp-surface-hover)}.chatlp-sidebar-load-more{display:flex;align-items:center;justify-content:center;gap:6px;width:calc(100% - 16px);margin:12px 8px 4px;padding:8px 12px;background:transparent;border:1px solid var(--chatlp-surface-active);border-radius:8px;color:var(--chatlp-text-dim);font-size:12px;cursor:pointer;transition:background .15s,color .15s}.chatlp-sidebar-load-more:hover:not(:disabled){background:var(--chatlp-surface-hover);color:var(--chatlp-text)}.chatlp-sidebar-load-more:disabled{opacity:.6;cursor:not-allowed}.chatlp-sidebar-list{flex:1;overflow-y:auto;padding:8px}.chatlp-sidebar-list::-webkit-scrollbar{width:4px}.chatlp-sidebar-list::-webkit-scrollbar-thumb{background:var(--chatlp-surface-active);border-radius:2px}.chatlp-sidebar-group-title{font-size:11px;font-weight:600;color:var(--chatlp-text-dim);text-transform:uppercase;letter-spacing:.05em;padding:16px 12px 6px}.chatlp-sidebar-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border-radius:var(--chatlp-radius-sm);border:none;background:transparent;color:var(--chatlp-text);font-size:13px;font-weight:400;cursor:pointer;transition:background .15s;text-align:left;position:relative;overflow:visible}.chatlp-sidebar-item:hover{background:var(--chatlp-surface-hover)}.chatlp-sidebar-item.active{background:var(--chatlp-surface-active);font-weight:500}.chatlp-sidebar-item-title{flex:1;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.chatlp-sidebar-item-actions{opacity:0;transition:opacity .2s;display:flex;align-items:center}.chatlp-sidebar-item:hover .chatlp-sidebar-item-actions{opacity:1}.chatlp-menu{position:absolute;top:100%;right:8px;z-index:110;background:var(--chatlp-surface-active);border:1px solid var(--chatlp-border-strong);border-radius:12px;padding:6px;box-shadow:0 8px 24px rgba(0,0,0,.3);min-width:160px;display:flex;flex-direction:column;gap:2px;animation:chatlp-fade-in .2s ease}.chatlp-menu-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;background:transparent;border:none;color:var(--chatlp-text);font-size:13px;cursor:pointer;text-align:left}.chatlp-menu-item:hover{background:var(--chatlp-surface-hover)}.chatlp-menu-item-danger{color:#ff5252}.chatlp-menu-item-danger:hover{background:rgba(255,82,82,.1)}.chatlp-menu-footer{padding:8px 12px;margin-top:4px;font-size:11px;color:var(--chatlp-text-muted);border-top:1px solid var(--chatlp-border);background:hsla(0,0%,100%,.02);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chatlp-menu-footer strong{color:var(--chatlp-text);font-weight:600}.chatlp-sidebar-footer{padding:8px;margin-top:auto}.chatlp-sidebar-footer-btn{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;background:transparent;border:none;color:var(--chatlp-text-muted);font-size:13px;cursor:pointer;transition:background .2s;border-radius:8px;white-space:nowrap;overflow:hidden}.chatlp-sidebar-footer-btn:hover{background:var(--chatlp-surface-hover);color:var(--chatlp-text)}.chatlp-sidebar.collapsed .chatlp-sidebar-footer-btn{justify-content:center;padding:10px}.chatlp-sidebar.collapsed .chatlp-sidebar-footer-btn span{display:none}.chatlp-settings-menu-wrap{width:100%;position:relative}.chatlp-settings-dropdown{position:absolute;bottom:100%;left:8px;right:8px;margin-bottom:8px;z-index:120;background:#252628;border:1px solid var(--chatlp-border-strong);border-radius:12px;padding:6px 0;box-shadow:0 8px 24px rgba(0,0,0,.4);width:auto;min-width:240px;max-width:none;animation:chatlp-fade-in .2s ease}.chatlp-sidebar.collapsed .chatlp-settings-dropdown{right:auto;min-width:260px}.chatlp-settings-dropdown-header{padding:8px 16px 4px;font-size:12px;color:var(--chatlp-text-dim);word-break:break-all;line-height:1.4}.chatlp-settings-divider{border-top:1px solid var(--chatlp-border-strong);margin:4px 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ease}.chatlp-load-older-btn:hover:not(:disabled){background:rgba(0,0,0,.04);color:var(--chatlp-text,#222)}.chatlp-load-older-btn:disabled{opacity:.6;cursor:progress}.custom-scrollbar::-webkit-scrollbar{width:5px;height:5px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.1);border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.2)}.custom-scrollbar{scrollbar-width:thin;scrollbar-color:hsla(0,0%,100%,.1) transparent}.chatlp-btn-artifact-primary{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;background:var(--chatlp-accent);color:#000!important;font-size:12px;font-weight:700;border-radius:12px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px rgba(232,155,38,.2);border:none;cursor:pointer;white-space:nowrap}.chatlp-btn-artifact-primary:hover{background:#f0a83a;transform:translateY(-1px);box-shadow:0 6px 16px 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a.chatlp-source-card{text-decoration:none;color:inherit}.chatlp-msg-model .chatlp-msg-bubble .chatlp-source-card-title{color:var(--chatlp-text);text-decoration:none}.chatlp-msg-model .chatlp-msg-bubble .chatlp-cite-chip-extra,.chatlp-msg-model .chatlp-msg-bubble .chatlp-cite-chip-label{color:inherit;text-decoration:none}.chatlp-msg-model .chatlp-msg-bubble code{background:var(--chatlp-surface-hover);padding:2px 6px;border-radius:4px;font-size:13px}.chatlp-typing{display:flex;align-items:center;gap:4px;padding:8px 0}.chatlp-typing-dot{width:6px;height:6px;border-radius:50%;background:var(--chatlp-accent);animation:chatlp-typing-pulse 1.4s ease-in-out infinite}.chatlp-typing-dot:nth-child(2){animation-delay:.2s}.chatlp-typing-dot:nth-child(3){animation-delay:.4s}.chatlp-cursor{display:inline-block;width:2px;height:18px;background:var(--chatlp-accent);margin-left:2px;vertical-align:text-bottom;animation:chatlp-blink .8s step-end 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