.app-sidebar{--sidebar-btn-inset-x:12px;--sidebar-divider-my:6px;--sidebar-label-mt:4px;--sidebar-label-mb:12px;--sidebar-new-chat-mb:8px;--sidebar-stack-gap:2px;--sidebar-link-padding-y:7px;--sidebar-chat-row-min:32px;--sidebar-shrink-chat:3;--sidebar-shrink-footer:2;--sidebar-shrink-workflow:1;display:flex;flex-direction:column;width:100%;height:100%;min-height:0;padding:12px 0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;box-sizing:border-box;background:var(--sidebar-bg);border:1px solid var(--sidebar-border);border-radius:12px;color:var(--sidebar-text);font-family:var(--workspace-font)}.app-sidebar--collapsed{padding:12px 0;align-items:stretch}.app-sidebar__header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:0 var(--sidebar-btn-inset-x) 8px var(--content-gutter,24px);flex-shrink:0}.app-sidebar--collapsed .app-sidebar__header{flex-direction:column;align-items:center;padding-inline:8px;gap:10px}.app-sidebar__brand{display:flex;flex-direction:column;gap:4px;min-width:0}.app-sidebar__logo{font-size:1.5rem;font-weight:700;letter-spacing:-.03em;color:var(--sidebar-text);line-height:1.15}.app-sidebar__tier{font-size:var(--page-title-size,1.25rem);font-weight:var(--page-title-weight,550);color:var(--primary);letter-spacing:-.02em;line-height:1.2}.app-sidebar__collapse-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center;box-sizing:border-box;width:32px;height:32px;padding:0;margin:0;border:1px solid var(--sidebar-border);border-radius:10px;background:var(--sidebar-hover);color:var(--sidebar-text-muted);cursor:pointer}.app-sidebar__collapse-btn:hover{color:var(--sidebar-text);border-color:var(--primary)}.app-sidebar--collapsed .app-sidebar__collapse-btn{width:44px;min-height:44px;height:auto;padding:10px;border-radius:8px;margin:0 auto}.app-sidebar__main{display:flex;flex-direction:column;flex:1 1;min-height:0;overflow:hidden}.app-sidebar__top-actions{display:flex;flex-direction:column;gap:var(--sidebar-stack-gap);flex-shrink:0}.app-sidebar__section-label{flex-shrink:0;margin:var(--sidebar-label-mt) var(--content-gutter,24px) var(--sidebar-label-mb);font-size:.625rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--sidebar-text-faint)}.app-sidebar__divider{height:1px;margin:var(--sidebar-divider-my) var(--content-gutter,24px);background:var(--sidebar-border);flex-shrink:0}.app-sidebar--collapsed .app-sidebar__divider{margin-inline:10px}.app-sidebar__nav{display:flex;flex-direction:column;gap:var(--sidebar-stack-gap);flex-shrink:var(--sidebar-shrink-workflow);min-height:0}.app-sidebar--collapsed .app-sidebar__main{overflow:visible}.app-sidebar--collapsed .app-sidebar__chat-section,.app-sidebar--collapsed .app-sidebar__footer,.app-sidebar--collapsed .app-sidebar__nav,.app-sidebar--collapsed .app-sidebar__top-actions{align-items:center}.app-sidebar__chat-section{display:flex;flex-direction:column;gap:0;flex:1 1;flex-shrink:var(--sidebar-shrink-chat);min-height:0;overflow:hidden;padding:0}.app-sidebar__section-label--chat{flex-shrink:0}.app-sidebar__new-chat{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:calc(100% - 24px);margin:0 12px var(--sidebar-new-chat-mb);padding:var(--sidebar-link-padding-y) 12px;border:1px dashed var(--sidebar-border);border-radius:8px;background:transparent;color:var(--primary);font-size:.875rem;font-weight:var(--nav-label-weight,450);cursor:pointer;box-sizing:border-box;transition:border-color .15s ease,background .15s ease}.app-sidebar__new-chat-inner{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:0}.app-sidebar__new-chat-inner .app-sidebar__link-icon{flex:0 0 15px;width:15px;height:15px}.app-sidebar__new-chat-label{min-width:0}.app-sidebar__new-chat:hover:not(:disabled){border-color:var(--primary);background:var(--primary-subtle)}.app-sidebar__new-chat--disabled,.app-sidebar__new-chat:disabled{opacity:.45;color:var(--sidebar-text-faint)}.app-sidebar__new-chat--collapsed{justify-content:center;width:44px;padding:10px;margin:0 auto;border-style:dashed}.app-sidebar__chat-section--collapsed{flex:0 0 auto;flex-shrink:0;gap:var(--sidebar-stack-gap);padding-top:var(--sidebar-label-mt);margin-top:0;overflow:visible;min-height:auto}.app-sidebar__chat-list{display:flex;flex-direction:column;gap:var(--sidebar-stack-gap);flex:1 1;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:0 0 4px;margin:0}.app-sidebar__chat-empty{flex-shrink:0;width:calc(100% - 24px);margin:var(--sidebar-stack-gap) 12px;font-size:var(--sidebar-chat-item-size,.8125rem);font-weight:var(--nav-label-weight,450);line-height:1.3;text-align:center;color:var(--sidebar-text-faint)}.app-sidebar__chat-item-row{display:flex;align-items:center;flex-shrink:0;gap:0;width:calc(100% - 24px);margin:0 12px;min-height:var(--sidebar-chat-row-min);padding:0;border:none;border-radius:8px;background:transparent;color:var(--sidebar-text-muted);position:relative;box-sizing:border-box;transition:background .15s ease,color .15s ease}.app-sidebar__chat-item-row:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.app-sidebar__chat-item-row--active{background:var(--sidebar-active-bg);color:var(--sidebar-active-text);font-weight:var(--nav-label-weight-active,500)}.app-sidebar__chat-item-main{display:flex;align-items:center;text-align:left;cursor:pointer}.app-sidebar__chat-item-input,.app-sidebar__chat-item-main{flex:1 1;min-width:0;margin:0;padding:var(--sidebar-link-padding-y) 4px var(--sidebar-link-padding-y) 12px;border:none;border-radius:0;background:transparent;color:inherit;font-size:var(--sidebar-chat-item-size,.8125rem);font-weight:inherit;font-family:inherit;box-sizing:border-box}.app-sidebar__chat-item-input{line-height:1.35;outline:none}.app-sidebar__chat-item-input:focus{box-shadow:inset 0 0 0 1px var(--primary);border-radius:6px}.app-sidebar__chat-item-title{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.35}.app-sidebar__chat-item-trailing{display:flex;align-items:center;flex-shrink:0;gap:2px;padding-right:8px}.app-sidebar__chat-item-row--pinned .app-sidebar__chat-item-trailing{justify-content:flex-end;min-width:40px}@media (hover:hover){.app-sidebar__chat-item-menu-btn{opacity:0;width:0;min-width:0;overflow:hidden;pointer-events:none}.app-sidebar__chat-item-row--menu-open .app-sidebar__chat-item-menu-btn,.app-sidebar__chat-item-row:focus-within .app-sidebar__chat-item-menu-btn,.app-sidebar__chat-item-row:hover .app-sidebar__chat-item-menu-btn{opacity:1;width:24px;min-width:24px;overflow:visible;pointer-events:auto}.app-sidebar__chat-item-row:not(.app-sidebar__chat-item-row--pinned) .app-sidebar__chat-item-trailing{opacity:0;max-width:0;padding-right:0;overflow:hidden;pointer-events:none}.app-sidebar__chat-item-row--menu-open:not(.app-sidebar__chat-item-row--pinned) .app-sidebar__chat-item-trailing,.app-sidebar__chat-item-row:not(.app-sidebar__chat-item-row--pinned):focus-within .app-sidebar__chat-item-trailing,.app-sidebar__chat-item-row:not(.app-sidebar__chat-item-row--pinned):hover .app-sidebar__chat-item-trailing{opacity:1;max-width:56px;padding-right:8px;overflow:visible;pointer-events:auto}}.app-sidebar__chat-item-pin{display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary);line-height:0;transition:transform .12s ease}@media (hover:hover){.app-sidebar__chat-item-row--pinned:not(:hover):not(:focus-within):not(.app-sidebar__chat-item-row--menu-open) .app-sidebar__chat-item-pin{transform:translateX(26px)}}.app-sidebar__chat-item-row--active .app-sidebar__chat-item-pin{color:var(--sidebar-active-text)}.app-sidebar__chat-item-menu-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border:none;border-radius:4px;background:transparent;color:inherit;cursor:pointer;flex-shrink:0;box-sizing:border-box;transition:opacity .12s ease,width .12s ease}.app-sidebar__chat-item-menu-btn:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.app-sidebar__chat-menu{position:fixed;z-index:50;min-width:148px;padding:4px;border:1px solid var(--sidebar-border);border-radius:8px;background:var(--sidebar-bg);box-shadow:var(--workspace-shadow)}.app-sidebar__chat-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:none;border-radius:6px;background:transparent;color:var(--sidebar-text);font-size:.8125rem;font-weight:var(--nav-label-weight,450);font-family:inherit;text-align:left;cursor:pointer}.app-sidebar__chat-menu-item:hover{background:var(--sidebar-hover)}.app-sidebar__chat-menu-item--danger:hover{color:#c53030;background:rgba(197,48,48,.08)}.app-sidebar__footer{display:flex;flex-direction:column;gap:var(--sidebar-stack-gap);flex-shrink:var(--sidebar-shrink-footer);min-height:0;margin-top:auto}.app-sidebar__link{display:flex;align-items:center;gap:12px;width:calc(100% - 24px);margin:0 12px;padding:var(--sidebar-link-padding-y) 12px;border:none;border-radius:8px;background:transparent;color:var(--sidebar-text-muted);font-size:.875rem;font-weight:var(--nav-label-weight,450);text-align:left;cursor:pointer;box-sizing:border-box}.app-sidebar--collapsed .app-sidebar__link{justify-content:center;width:44px;padding:10px;margin:0 auto;border-radius:8px}.app-sidebar__link-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 21px;width:21px;height:21px;line-height:0;color:inherit}.app-sidebar__link-icon svg,.app-sidebar__nav-icon,.app-sidebar__theme-toggle-icon svg{display:block;flex-shrink:0}.app-sidebar__nav-icon--upgrade{transform:scaleX(.88);transform-origin:center}.app-sidebar__link--active .app-sidebar__link-icon{color:var(--sidebar-active-text)}.app-sidebar__link-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-sidebar__link:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.app-sidebar__link--active{background:var(--sidebar-active-bg);font-weight:var(--nav-label-weight-active,550)}.app-sidebar__link--active,.app-sidebar__link--active .app-sidebar__link-label{color:var(--sidebar-active-text)}.app-sidebar__theme-toggle{display:flex;align-items:center;gap:12px;width:calc(100% - 24px);margin:0 12px;padding:var(--sidebar-link-padding-y) 12px;border:1px solid var(--sidebar-border);border-radius:8px;background:var(--sidebar-hover);color:var(--sidebar-text-muted);font-size:.875rem;font-weight:var(--nav-label-weight,450);font-family:var(--workspace-font);line-height:1.25;letter-spacing:normal;cursor:pointer;box-sizing:border-box}.app-sidebar__theme-toggle-label{min-width:0;font-size:inherit;font-weight:inherit;font-family:inherit;line-height:inherit;letter-spacing:inherit;color:inherit}.app-sidebar__theme-toggle--collapsed{justify-content:center;width:44px;padding:10px;margin:0 auto}.app-sidebar__theme-toggle:hover{border-color:var(--primary)}.app-sidebar__theme-toggle-icon{flex-shrink:0;width:20px;height:20px;color:var(--sidebar-text-muted)}.app-sidebar__theme-glyph,.app-sidebar__theme-toggle-icon{display:flex;align-items:center;justify-content:center}