@keyframes navbar-shimmer{0%{background-position:200%}to{background-position:-200%}}.header{background:var(--lab-header-bg);border-bottom:1px solid var(--lab-border);z-index:10000;min-height:60px;top:var(--offline-banner-height,0px);box-sizing:border-box;flex-direction:column;flex-shrink:0;width:100%;max-width:100vw;padding:0;display:flex;position:sticky;left:0;right:0;overflow:hidden}.header-content{box-sizing:border-box;grid-template-columns:1fr auto 1fr;align-items:center;gap:15px;width:100%;max-width:100%;height:60px;padding:0 20px;display:grid}.header-left,.header-lab-info-desktop{align-items:center;gap:12px;min-width:0;display:flex}@media (max-width:900px){.header-lab-info-desktop{display:none}}.header-back-btn{background:var(--lab-btn-secondary);border:1px solid var(--lab-border);width:32px;height:32px;color:var(--lab-text-secondary);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;font-size:14px;transition:all .2s;display:flex}.header-back-btn:hover{background:var(--lab-sidebar-hover);border-color:var(--lab-text-muted);color:var(--lab-text-primary);transform:translate(-2px)}.header-logo{border-right:0px solid var(--lab-border);color:inherit;align-items:center;gap:10px;padding-right:12px;line-height:1;text-decoration:none;display:flex}.header-logo-img{object-fit:contain;border-radius:8px;width:32px;height:32px}.header-logo-text{color:var(--lab-text-primary);align-items:center;font-size:20px;font-weight:700;line-height:1;display:flex}.header-breadcrumb{align-items:center;gap:8px;min-width:0;display:flex}.header.header-no-sub .header-breadcrumb{gap:8px}.header-nav-toggle{width:38px;height:40px;color:var(--lab-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:0;flex:none;justify-content:center;align-items:center;transition:border-color .2s,background .2s;display:inline-flex;position:relative}.header-nav-toggle-main{display:inline-flex}.header-nav-toggle-sub{width:36px;height:34px;display:none}.header-nav-toggle:hover{color:var(--lab-text-primary)}.header-nav-toggle:focus-visible{outline:2px solid var(--lab-accent);outline-offset:2px}.header-nav-toggle-line{background:currentColor;border-radius:999px;width:18px;height:2px;transition:transform .24s,opacity .2s;position:absolute}.header-nav-toggle-line-1{transform:translateY(-6px)}.header-nav-toggle-line-2{transform:translateY(0)}.header-nav-toggle-line-3{transform:translateY(6px)}.header-nav-toggle-quick .header-nav-toggle-line-1{transform:translateY(-9px)}.header-nav-toggle-full .header-nav-toggle-line-1{transform:translateY(0)rotate(45deg)}.header-nav-toggle-full .header-nav-toggle-line-2{opacity:0}.header-nav-toggle-full .header-nav-toggle-line-3{transform:translateY(0)rotate(-45deg)}.header-logo-breadcrumb{flex-shrink:0;gap:10px;min-width:0;padding-right:0}.header-logo-text-breadcrumb{display:flex}.header-breadcrumb-separator{color:var(--lab-text-secondary);opacity:.6;cursor:default;pointer-events:none;align-items:center;padding:0 2px;font-size:16px;line-height:1;display:flex}.header-breadcrumb-subject-link{cursor:pointer;align-items:center;min-width:0;text-decoration:none;transition:opacity .2s;display:flex}.header-breadcrumb-subject-link:hover .header-breadcrumb-subject{color:#fff;opacity:1}.header-breadcrumb-subject-link:active{opacity:.7}.header-breadcrumb-subject{color:#fff;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:240px;margin-top:1px;font-size:14px;font-weight:500;line-height:1;transition:color .2s,opacity .2s;display:block;overflow:hidden}.header-breadcrumb-subject-mobile{display:none}.header-lab-info{flex-direction:column;align-items:flex-start;gap:4px;display:flex}.header-lab-name{color:var(--lab-text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:150px;margin:0;padding:2px 0;font-size:16px;font-weight:700;line-height:1.4;overflow:hidden}.header-lab-code{background:var(--lab-btn-secondary);border:1px solid var(--lab-border);color:var(--lab-accent);cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:3px 10px;font-size:11px;line-height:1;transition:all .2s;display:flex}.header-lab-code:hover{background:var(--lab-sidebar-hover);border-color:var(--lab-accent)}.header-lab-code i{color:var(--lab-accent);font-size:10px}.header-center{justify-content:center;align-items:center;display:flex}.header-tabs-wrapper{justify-content:center;align-items:center;gap:2rem;transition:transform .24s,opacity .24s;display:flex}.header-tabs{align-items:center;gap:1rem;transition:transform .24s,opacity .24s;display:flex}.header-tab{color:var(--lab-text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:8px;padding:.3rem 0;font-size:14px;font-weight:500;transition:all .2s;display:flex;position:relative}.header-tab:hover{color:var(--lab-text-primary)}.header-tab.active{color:var(--lab-accent);border-bottom-color:var(--lab-accent)}.header-tab i{font-size:16px}.header-right{justify-content:flex-end;align-items:center;gap:12px;min-width:0;display:flex}.header-dropdown{position:relative}.header-dropdown-btn{border:1px solid var(--lab-border);color:var(--lab-text-secondary);cursor:pointer;box-sizing:border-box;background:0 0;border-radius:9999px;justify-content:center;align-items:center;gap:6px;height:34px;padding:0 14px;font-size:14px;font-weight:500;line-height:1;transition:all .2s;display:inline-flex}.header-dropdown-btn span{align-items:center;line-height:1;display:inline-flex}.header-dropdown-btn:hover,.header-dropdown-btn.active{background:var(--lab-sidebar-hover);border-color:var(--lab-text-muted);color:var(--lab-text-primary)}.header-dropdown-btn i{font-size:12px;transition:transform .2s}.header-add-btn{color:var(--lab-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:12px;align-items:center;gap:6px;padding:8px 10px;font-size:16px;transition:all .2s;display:flex}.header-add-btn:hover{background:var(--lab-sidebar-hover);color:var(--lab-text-primary)}.header-dropdown-btn.active i{transform:rotate(180deg)}.header-dropdown-content{background:var(--lab-header-bg);border:1px solid var(--lab-border);z-index:1000;border-radius:12px;width:max-content;min-width:160px;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;box-shadow:0 4px 12px #0000004d}@media (max-width:600px){.header-dropdown-content{max-width:calc(100vw - 16px);position:fixed;inset:auto 8px auto auto}}.header-dropdown-item{width:100%;color:var(--lab-text-secondary);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;gap:12px;padding:10px 16px;font-size:14px;transition:all .2s;display:flex}.header-dropdown-item:hover{background:var(--lab-sidebar-hover);color:var(--lab-text-primary)}.header-dropdown-item.selected{background:var(--lab-primary-light,#6366f11a);color:var(--lab-primary,#6366f1);font-weight:500}.header-dropdown-item.selected:hover{background:var(--lab-primary-light,#6366f126);color:var(--lab-primary,#6366f1)}.header-mobile-menu-btn{border:1px solid var(--lab-border);color:var(--lab-text-secondary);cursor:pointer;background:0 0;border-radius:10px;padding:8px 12px;font-size:18px;transition:all .2s;display:none}.header-mobile-menu-btn:hover,.header-mobile-menu-btn.active{background:var(--lab-sidebar-hover);border-color:var(--lab-text-muted);color:var(--lab-text-primary)}.header-profile-section{position:relative}.header-profile-avatar{background:var(--lab-accent-gradient);color:#fff;cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:15px;font-weight:600;transition:transform .2s;display:flex;overflow:hidden}.header-profile-avatar:hover{transform:scale(1.05)}.header-avatar-img{object-fit:cover;border-radius:50%;width:100%;height:100%}.header-avatar-fallback{color:#fff;background:var(--lab-accent-gradient);border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;font-size:16px;font-weight:600;display:flex}.header-profile-menu{background:var(--lab-header-bg);border:1px solid var(--lab-border);z-index:1000;border-radius:14px;min-width:220px;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;box-shadow:0 8px 16px #0006}@media (max-width:600px){.header-profile-menu{max-width:calc(100vw - 16px);position:fixed;inset:auto 8px auto auto}}.header-profile-menu-header{border-bottom:1px solid var(--lab-border);padding:12px 16px}.header-profile-menu-name{color:var(--lab-text-primary);margin-bottom:4px;font-size:14px;font-weight:600}.header-profile-menu-email{color:var(--lab-text-secondary);font-size:12px}.header-theme-toggle-btn{cursor:pointer;width:36px;height:36px;color:var(--lab-text-secondary);background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;margin:0;padding:0;transition:all .2s;display:flex}.header-theme-toggle-btn:hover{background:var(--lab-sidebar-hover);color:var(--lab-text-primary);transform:translateY(-1px)}.header-theme-toggle{background:0 0!important;border:none!important}.header-theme-toggle:hover{transform:translateY(-1px);background:var(--lab-sidebar-hover)!important}@media (max-width:640px){.header-theme-toggle-desktop{display:none!important}.header-theme-toggle-mobile{display:flex!important}}@media (min-width:641px){.header-theme-toggle-desktop{display:flex!important}.header-theme-toggle-mobile{display:none!important}}.header-profile-menu-item{width:100%;color:var(--lab-text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:10px 16px;font-size:14px;transition:all .2s;display:flex}.header-profile-menu-item:hover{background:var(--lab-sidebar-hover);color:var(--lab-text-primary)}.header-profile-menu-logout{color:#ef4444;border-top:1px solid var(--lab-border)}.header-profile-menu-logout:hover{background:#ef44441a}.header-btn-login{background:var(--lab-accent);color:#fff;border-radius:10px;padding:8px 20px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}.header-btn-login:hover{transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.header-sub{background:color-mix(in srgb, var(--lab-header-bg) 65%, transparent);-webkit-backdrop-filter:blur(16px);border-top:1px solid color-mix(in srgb, var(--lab-border) 40%, transparent);box-sizing:border-box;border-bottom:1px solid color-mix(in srgb, var(--lab-border) 40%, transparent);flex-direction:row;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:6px 12px;display:none;box-shadow:0 4px 16px #0000001a}.header-sub-left{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.header-sub-tabs{-ms-overflow-style:none;scrollbar-width:none;padding-bottom:2px;transition:transform .24s,opacity .24s;display:contents;overflow-x:auto}.header-sub-tabs::-webkit-scrollbar{display:none}.header-sub-tab{background:var(--lab-btn-secondary);border:1px solid var(--lab-border);color:var(--lab-text-secondary);cursor:pointer;white-space:nowrap;border-radius:6px;flex:0 auto;justify-content:center;align-items:center;gap:5px;min-width:auto;padding:5px 10px;font-size:11px;font-weight:600;line-height:1;transition:all .2s;display:flex}.header-sub-tab.active{background:var(--lab-accent);color:#fff;border-color:var(--lab-accent)}.header-sub-tab i{font-size:12px}.header-edit-mode-toggle{background:var(--lab-btn-secondary);border:1px solid var(--lab-border);color:var(--lab-text-secondary);cursor:pointer;white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;gap:6px;min-width:74px;padding:5px 12px;font-size:11px;font-weight:600;line-height:1;transition:opacity .22s,transform .22s,background .2s,color .2s,border-color .2s;display:flex}.header-edit-mode-toggle.is-hidden{opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px)}.header-edit-mode-toggle:hover{background:var(--lab-sidebar-hover);color:var(--lab-text-primary);border-color:var(--lab-accent)}.header-edit-mode-toggle i{font-size:11px}.header-edit-mode-toggle-icon-only{justify-content:center;gap:0;width:34px;min-width:34px;height:34px;padding:0}.header-edit-mode-toggle-icon-only i{font-size:13px}.header-edit-mode-toggle-desktop{display:none}.header-edit-mode-toggle-mobile{margin-left:auto;margin-right:8px}@media (max-width:900px){.header-sub{display:flex}.header-tabs-desktop{display:none}.header-edit-mode-toggle-desktop{display:none!important}}@media (max-width:1024px){.header-sub{display:flex}.header-tabs-desktop,.header-nav-toggle-main{display:none}.header-nav-toggle-sub{display:inline-flex}.header-edit-mode-toggle-desktop{display:none!important}.header.header-no-sub .header-nav-toggle-main{display:inline-flex}}@media (min-width:1025px){.header-nav-toggle-main{display:inline-flex}.header-nav-toggle-sub,.header-edit-mode-toggle-mobile{display:none!important}.header-edit-mode-toggle-desktop{display:flex!important}}@media (max-width:600px){.header-content{justify-content:space-between;align-items:center;gap:10px;height:56px;padding:0 12px;display:flex}.header-left{flex:1;min-width:0}.header-breadcrumb{width:100%;min-width:0}.header-breadcrumb-subject-link{flex:0 auto;min-width:0}.header-logo-text{font-size:1.1rem;display:block!important}.header-back-btn{width:32px;height:32px;font-size:14px}.header-lab-name{max-width:200px;font-size:14px}.header-center{display:none}.header-right{gap:8px}.header-sub-tabs{flex-wrap:nowrap;justify-content:flex-start;gap:4px;width:100%;overflow-x:auto}.header-sub-tab{justify-content:center;gap:4px;min-width:36px;padding:6px}.header-sub-tab span{display:none}.header-sub-tab.active{justify-content:flex-start;min-width:auto;padding:6px 8px}.header-sub-tab.active span{display:inline}.header-sub-tabs.header-sub-tabs-two{justify-content:center;gap:6px}.header-sub-tabs.header-sub-tabs-two .header-sub-tab{gap:5px;min-width:0;padding:6px 10px}.header-sub-tabs.header-sub-tabs-two .header-sub-tab span{display:inline}}@media (max-width:480px){.header-logo-text-breadcrumb{display:none!important}.header-breadcrumb{gap:8px}.header-logo-breadcrumb{gap:0}.header-breadcrumb-subject-desktop{display:none}.header-breadcrumb-subject-mobile{text-overflow:ellipsis;white-space:nowrap;max-width:180px;font-size:13px;display:block;overflow:hidden}.header-logo-text{font-size:1rem}.header-right{flex-shrink:0}.header-lab-name{max-width:140px;font-size:14px}.header-add-btn{width:32px;height:32px;font-size:14px}.header-profile-btn{width:32px;height:32px}.header-sub{gap:6px;padding:6px 8px}.header-sub-tab{gap:3px;min-width:34px;padding:6px 7px;font-size:11px}.header-sub-tab i{font-size:11px}.header-sub-tabs.header-sub-tabs-two{gap:5px}.header-sub-tabs.header-sub-tabs-two .header-sub-tab{min-width:0;padding:6px 8px}.header-sub-tabs.header-sub-tabs-two .header-sub-tab span{display:inline}}@media (max-width:360px){.header-logo-text{font-size:.9rem}.header-lab-name{max-width:110px}}@media (max-width:320px){.header-logo-text{font-size:.85rem}.header-back-btn{width:28px;height:28px;font-size:12px}.header-lab-name{max-width:100px;font-size:13px}.header-sub{gap:4px;padding:5px 6px}.header-sub-tab{gap:3px;min-width:32px;padding:5px 6px;font-size:11px}}.header-sub{align-items:center;min-width:320px;height:44px;min-height:40px;padding-top:2px;padding-bottom:2px}.header-sub-left{justify-content:center;align-items:center;width:100%;min-height:28px;display:flex;position:relative}.header-sub-tabs{z-index:1;width:220px;min-width:220px;max-width:320px;margin:0 auto;position:relative;justify-content:center!important}.header-nav-toggle-sub{visibility:visible;width:36px;min-width:36px;height:28px;min-height:28px;display:none;position:absolute;top:50%;left:0;transform:translateY(-50%)}.header-sub.show-hamburger .header-nav-toggle-sub{display:inline-flex}.header-edit-mode-toggle-mobile{min-width:34px;min-height:28px}