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1rem;border-radius:12px;max-width:100%;line-height:1.5;font-size:.95rem;width:fit-content;word-break:break-word;overflow-wrap:break-word}.message-bubble p,.message-bubble ul,.message-bubble ol{margin:.4rem 0}.message-bubble p:first-child,.message-bubble ul:first-child,.message-bubble ol:first-child{margin-top:0}.message-bubble p:last-child,.message-bubble ul:last-child,.message-bubble ol:last-child{margin-bottom:0}.message-bubble ul,.message-bubble ol{padding-left:1.5rem}.message-bubble li{margin:.2rem 0}.message.user .message-bubble{background:var(--bg-message-user);color:var(--text-primary);border:1px solid var(--bg-message-user-border);box-shadow:0 2px 8px #4f46e514;max-width:85%;width:fit-content}.chat-input-area{background-color:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:12px;padding:.6rem 1rem;display:flex;align-items:flex-end;gap:.75rem;flex-shrink:0;width:100%;max-width:900px;align-self:center;margin:0 auto}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:1rem;outline:none;resize:none;line-height:1.5;padding:4px 0;font-family:inherit}.chat-input::-webkit-scrollbar{width:4px}.chat-input::-webkit-scrollbar-track{background:transparent}.chat-input::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:4px}.input-actions{display:flex;gap:.5rem}.icon-btn{background:transparent;border:none;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s;color:var(--text-secondary)}.icon-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-history{flex:1;display:flex;flex-direction:column;min-height:0;padding-left:1.15rem;padding-right:0}.history-list::-webkit-scrollbar{width:4px}.history-list::-webkit-scrollbar-track{background:transparent}.history-list::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:10px}.history-item{flex-shrink:0;margin:0 1rem 0 0}.history-item:hover{background-color:var(--bg-hover)}.history-item.active{background:var(--bg-active);border-left:2px solid var(--accent-primary)}.history-item-text{color:var(--text-secondary)}.history-item:hover .history-item-text{color:var(--text-primary)}.history-item.active .history-item-text{color:var(--text-primary);font-weight:600!important}.session-actions{background:var(--bg-secondary)}.history-item.active .session-actions{background:transparent;box-shadow:none}.history-item-input{background:transparent;border:none;border-bottom:1px solid var(--accent-primary);color:var(--text-primary);font-size:.85rem;font-weight:500;line-height:1.5;border-radius:0;padding:0;margin:0;width:100%;outline:none;font-family:inherit}.history-item:not(.active):hover .session-actions{background:transparent;box-shadow:none}.history-item .session-actions{background:transparent;box-shadow:none;opacity:0;pointer-events:none;transition:opacity .2s}.history-item:hover .session-actions,.session-actions.open{opacity:1;pointer-events:auto}.sidebar-item-styled .session-actions{background:transparent;box-shadow:none;opacity:0;pointer-events:none;transition:opacity .2s}.sidebar-item-styled:hover .session-actions,.sidebar-item-styled .session-actions.open{opacity:1;pointer-events:auto}.sidebar-item-styled.active .session-actions{background:transparent;box-shadow:none}.sidebar-item-styled:not(.active):hover .session-actions{background:transparent;box-shadow:none}.model-selector-container{position:relative;-webkit-user-select:none;user-select:none}.model-selector-trigger{display:flex;align-items:center;gap:.5rem;padding:6px 14px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:20px;color:var(--text-primary);font-size:.85rem;cursor:pointer;transition:all .2s;height:32px;max-width:160px}.model-selector-trigger:hover:not(:disabled){background:var(--bg-active);border-color:var(--border-secondary)}.model-selector-trigger.open{background:var(--bg-active);border-color:var(--accent-primary)}.selected-model-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-selector-dropdown{position:absolute;top:calc(100% + 12px);right:0;width:280px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:16px;box-shadow:0 10px 25px -5px #00000080;z-index:1000;overflow:hidden;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{padding:12px 16px;font-size:.9rem;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-primary)}.model-options-list{padding:8px;max-height:400px;overflow-y:auto}.model-option-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;cursor:pointer;transition:background .2s}.model-option-item:hover{background:var(--bg-hover)}.model-option-item.active{background:#4285f41a}.model-option-content{display:flex;flex-direction:column;gap:2px}.model-option-name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.model-option-description{font-size:.8rem;color:#a1a1aa;line-height:1.4}.model-option-check{color:var(--accent-primary);display:flex;align-items:center}.welcome-container{display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;padding:0 1rem;margin-bottom:-1.75rem;margin-top:auto;animation:fadeIn .5s ease-out;width:100%;max-width:900px;margin-left:auto;margin-right:auto}.new-chat-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:transparent;color:var(--text-secondary);border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;font-size:.9rem;font-weight:500}.new-chat-btn:hover{background:var(--bg-hover);color:var(--text-primary)}@media(max-width:768px){.new-chat-text{display:none}.new-chat-btn{padding:6px}}.welcome-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem;letter-spacing:-.01em}.welcome-subtitle{font-size:1rem;color:var(--text-tertiary);font-weight:400;margin:0}.sidebar-footer{flex-shrink:0;padding:0 1rem}.user-profile{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border-primary);display:flex;align-items:center;gap:.75rem;cursor:pointer;position:relative;transition:background .2s;border-radius:6px;padding:.5rem;margin-bottom:0}.user-profile:hover{background:#ffffff0d}.profile-menu{position:absolute;bottom:100%;left:0;width:100%;margin-bottom:.5rem;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:8px;box-shadow:0 4px 12px #00000080;overflow:hidden;z-index:100}.profile-menu-item{display:flex;align-items:center;gap:.75rem;padding:.5rem .8rem;color:var(--text-secondary);cursor:pointer;transition:all .2s;font-size:.85rem}.profile-menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.profile-menu-item.danger:hover{color:#ef4444}.theme-toggle-row{position:relative;display:flex;align-items:center;background:var(--bg-hover);border-radius:999px;padding:2px;width:100%;cursor:auto;border:1px solid var(--border-primary)}.theme-toggle-option{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;font-size:.8rem;font-weight:500;color:var(--text-secondary);padding:2px 0;cursor:pointer;position:relative;z-index:2;transition:color .3s ease;border-radius:999px}.theme-toggle-option.active{color:var(--text-primary);font-weight:600}.theme-toggle-option:hover:not(.active){color:var(--text-primary)}.theme-slide{position:absolute;top:2px;left:2px;width:calc(50% - 2px);height:calc(100% - 4px);background:var(--bg-secondary);border-radius:999px;transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:1;box-shadow:0 1px 3px #0000001a}.theme-toggle-row[data-theme=light] .theme-slide{transform:translate(0)}.theme-toggle-row[data-theme=dark] .theme-slide{transform:translate(100%)}.mobile-menu-btn,.mobile-close-btn{display:none;background:transparent;border:none;color:#a1a1aa;cursor:pointer;padding:4px;align-items:center;justify-content:center;border-radius:4px}.mobile-menu-btn:hover,.mobile-close-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}@media(max-width:768px){.session-actions{display:none!important}.session-menu-dropdown{min-width:160px!important;border-radius:12px!important}.session-menu-dropdown .menu-item{padding:14px 16px!important;font-size:.95rem!important}.session-menu-dropdown .menu-item svg{width:18px!important;height:18px!important}.app-sidebar{position:fixed;left:-100%;top:0;z-index:1100;width:260px;transition:left .3s cubic-bezier(.4,0,.2,1);box-shadow:20px 0 50px #00000080}.app-dashboard.sidebar-open .app-sidebar{left:0}.mobile-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1050;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-menu-btn,.mobile-close-btn{display:flex}.chat-interface-header{padding:.75rem 1rem}.chat-input-container,.chat-width-limiter{padding:0 .5rem 1rem}.message-bubble{max-width:100%;font-size:.9rem}.message{gap:.75rem}.chat-input-area{padding:.6rem .8rem;gap:.5rem}.welcome-container{margin-left:0;padding-left:.3rem}}.loading-dots{display:flex;gap:4px;align-items:center;padding:6px 0}.dot{width:6px;height:6px;background-color:var(--accent-primary);border-radius:50%;animation:dotPulse 1.4s infinite ease-in-out}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes dotPulse{0%,80%,to{transform:scale(.8);opacity:.4}40%{transform:scale(1.2);opacity:1}}.pulse-text{animation:textPulse 2s infinite ease-in-out;color:var(--accent-primary);font-weight:500}@keyframes textPulse{0%,to{opacity:.5;transform:scale(.98)}50%{opacity:1;transform:scale(1)}}.typing-indicator{display:flex;gap:3px;align-items:center;padding:8px 0}.typing-dot{width:5px;height:5px;background-color:var(--text-secondary);border-radius:50%;animation:typing .8s infinite alternate}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%{transform:translateY(0);opacity:.4}to{transform:translateY(-5px);opacity:1}}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .15s ease-out}.modal-content{background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;width:100%;max-width:320px;box-shadow:0 20px 25px -5px #00000080,0 10px 10px -5px #0000000a;animation:scaleIn .15s ease-out}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.modal-title{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:.5rem}.modal-description{font-size:.9rem;color:#a1a1aa;margin-bottom:1.5rem;line-height:1.5}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end}.btn-modal{padding:.5rem 1rem;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;border:none}.btn-cancel{background:transparent;color:var(--text-secondary);border:1px solid var(--border-primary)}.btn-cancel:hover{background:var(--bg-hover);color:var(--text-primary)}.typewriter-container.streaming>:last-child:after{content:"▋";display:inline-block;vertical-align:baseline;animation:blink 1s step-end infinite;margin-left:4px;color:#3b82f6;line-height:1;font-size:.9em}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.btn-delete:hover{background:#dc2626}.sidebar-tabs-container{padding:0 1rem 1rem}.sidebar-segmented-control{display:flex;background-color:var(--bg-tertiary);padding:4px;border-radius:8px;position:relative;border:1px solid var(--border-primary)}[data-theme=light] .sidebar-segmented-control{background-color:var(--bg-secondary);border:none}.sidebar-tab{flex:1;border:none;background:transparent;color:var(--text-secondary);padding:6px 12px;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease;position:relative;z-index:1}.sidebar-tab:hover{color:var(--text-primary)}.sidebar-tab.active{background-color:var(--bg-primary);color:var(--accent-primary);font-weight:600;box-shadow:0 1px 3px #0000001a}.sidebar-search-row{padding:0 1rem .5rem;display:flex}.sidebar-unified-search{flex:1;display:flex;align-items:center;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px;position:relative;padding-left:32px;padding-right:4px;transition:box-shadow .2s,border-color .2s}.sidebar-unified-search:focus-within{border-color:var(--accent-primary)}.sidebar-search-input-transparent{flex:1;width:100%;background:transparent;border:none;padding:8px 0;font-size:.85rem;color:var(--text-primary);outline:none;min-width:0}.sidebar-add-btn-unified{width:28px;height:28px;background:transparent;color:var(--text-secondary);border:none;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;margin-left:4px}.sidebar-add-btn-unified:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-tertiary);width:16px;height:16px;min-width:16px;pointer-events:none}.sidebar-group-header{font-size:.7rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin:1rem 1rem .5rem;padding-top:.5rem}.sidebar-item-styled{display:flex;align-items:flex-start;padding:.6rem 1rem;cursor:pointer;position:relative;transition:background .15s ease;border-left:3px solid transparent;margin-bottom:2px;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.sidebar-item-styled:hover{background-color:var(--bg-hover)}.sidebar-item-styled.active{background-color:rgba(var(--accent-rgb),.08);background-color:var(--bg-hover);background:linear-gradient(to right,var(--bg-active),transparent);border-left-color:var(--accent-primary)}.mobile-header{display:none!important}@media(max-width:768px){.mobile-header{display:flex!important}}.item-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.item-top-row{display:flex;justify-content:space-between;align-items:center;width:100%}.item-title{font-size:.9rem;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.sidebar-item-styled.active .item-title{font-weight:600;color:var(--accent-primary)}.item-time{font-size:.7rem;color:var(--text-tertiary);flex-shrink:0;margin-left:8px}.item-preview{font-size:.75rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3;opacity:.8}.history-item-input{width:100%;background:var(--bg-primary);border:1px solid var(--accent-primary);border-radius:4px;padding:2px 6px;font-size:.9rem;outline:none;color:var(--text-primary)}.sidebar-tree-item-container{display:flex;flex-direction:column}.sidebar-tree-row{display:flex;align-items:center;padding:3px 6px;margin:1px 0;border-radius:6px;cursor:pointer;transition:background-color .1s ease;color:var(--text-secondary);min-height:30px;position:relative;-webkit-user-select:none;user-select:none}.sidebar-tree-row:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-tree-row.active{background-color:var(--bg-active);color:var(--text-primary);font-weight:500}.tree-chevron-btn{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;margin-right:2px;color:var(--text-tertiary);transition:all .2s;cursor:pointer;flex-shrink:0}.tree-chevron-btn:hover{background-color:#0000000d;color:var(--text-secondary)}[data-theme=dark] .tree-chevron-btn:hover{background-color:#ffffff1a}.tree-item-icon{display:flex;align-items:center;justify-content:center;margin-right:6px;color:var(--text-secondary);opacity:.8;flex-shrink:0}.sidebar-tree-row.active .tree-item-icon{color:var(--text-primary);opacity:1}.sidebar-tree-children{display:flex;flex-direction:column}.tree-icon-slot{display:flex;align-items:center;justify-content:center;width:20px;height:20px;margin-right:6px;cursor:pointer;flex-shrink:0;color:var(--text-secondary);border-radius:4px;transition:background-color .2s}.tree-icon-slot:hover{background-color:#0000000d}[data-theme=dark] .tree-icon-slot:hover{background-color:#ffffff1a}.icon-doc,.icon-chevron{display:flex;align-items:center;justify-content:center;width:100%;height:100%}.icon-chevron,.sidebar-tree-row.has-children:hover .icon-doc{display:none}.sidebar-tree-row.has-children:hover .icon-chevron{display:flex}@media(max-width:768px){.sidebar-tree-row.has-children .icon-doc{display:none}.sidebar-tree-row.has-children .icon-chevron{display:flex}}I will add a rule to also show chevron if expanded,as it's standard.
Actually,let's try STRICT first as user requested "Default not show... hover replace".
*/ .sidebar-history{padding-left:0!important;padding-right:0!important}.sidebar-search-row{padding-left:.5rem;padding-right:.5rem}.tree-actions{margin-left:auto;display:flex;gap:4px;align-items:center;opacity:0;transition:opacity .2s ease}.sidebar-tree-row:hover .tree-actions{opacity:1}.tree-action-btn{background:transparent!important;color:var(--text-secondary);padding:2px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .2s;border:none}.tree-action-btn:hover{color:var(--text-primary);background:transparent!important}.sidebar-brand{padding:0 .5rem!important}.sidebar-tabs-container{padding:0 .5rem .6rem!important}.sidebar-tree-row{margin:1px .5rem!important;width:auto}.tree-actions{position:absolute;right:0;top:0;bottom:0;display:none;align-items:center;background:linear-gradient(to right,transparent,var(--bg-hover) 40%);padding-left:24px;padding-right:4px;border-top-right-radius:6px;border-bottom-right-radius:6px;z-index:2}.sidebar-tree-row:hover .tree-actions,.sidebar-tree-row:focus-within .tree-actions{display:flex}.sidebar-tree-row.active .tree-actions{background:linear-gradient(to right,transparent,var(--bg-active) 40%)}.network-status-indicator-global{position:fixed;top:16px;right:.5rem;z-index:10000;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;transition:all .2s ease;cursor:default}.reconnect-overlay{position:absolute;top:0;left:0;width:100%;height:100%;cursor:pointer;z-index:2}.status-icon{width:16px;height:16px;stroke-width:2.5px}.status-icon.spinning{animation:spin 1.5s linear infinite;color:#f39c12}.status-dot-pulse,.status-dot-static{width:5px;height:5px;border-radius:50%}.status-dot-pulse.success{background-color:#2ecc71;box-shadow:0 0 #2ecc71b3}.status-dot-pulse.warning{background-color:#f1c40f;animation:pulse-yellow 2s infinite}.status-dot-static.danger{background-color:#e74c3c}.status-dot-static.gray{background-color:#95a5a6}.network-status-indicator-global.disconnected{background:transparent}.network-status-indicator-global.failed{background:transparent;color:#e74c3c}.network-status-indicator-global.connecting,.network-status-indicator-global.reconnecting,.network-status-indicator-global.connected{background:transparent}@keyframes pulse-green{0%{transform:scale(.95);box-shadow:0 0 #2ecc71b3}70%{transform:scale(1);box-shadow:0 0 0 1.25px #2ecc7100}to{transform:scale(.95);box-shadow:0 0 #2ecc7100}}@keyframes pulse-yellow{0%{transform:scale(.95);box-shadow:0 0 #f1c40fb3}70%{transform:scale(1);box-shadow:0 0 0 1.25px #f1c40f00}to{transform:scale(.95);box-shadow:0 0 #f1c40f00}}@media(max-width:480px){.network-status-indicator-global{top:18px;right:1rem;width:24px;height:24px}.status-icon{width:14px;height:14px}.status-dot-pulse,.status-dot-static{width:8px;height:8px}}.new-chat-btn{display:flex;align-items:center;gap:.5rem}.new-chat-text{display:none}.status-dot{width:8px;height:8px;border-radius:50%;transition:all .3s ease}.status-dot.connected{background-color:#22c55e;box-shadow:0 0 8px #22c55e66}.status-dot.connecting,.status-dot.reconnecting{background-color:#eab308;animation:breathing 2s infinite ease-in-out}.status-dot.disconnected,.status-dot.failed{background-color:#ef4444}.page-header{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 3.5rem 0 1.5rem;background-color:transparent;border-bottom:1px solid 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