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transparent);width:2.25rem;height:2.25rem;color:var(--ml-nav-accent,#004b76);box-sizing:border-box;border-radius:.55rem;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.avatar-icon{display:block}.user-display-name{min-width:0;color:var(--ml-nav-inactive-text);white-space:nowrap;text-overflow:ellipsis;text-align:left;flex:auto;font-size:.9375rem;font-weight:500;overflow:hidden}.content{background:var(--app-warm-canvas);flex-direction:column;flex:1;min-height:0;padding:0;display:flex;overflow:hidden}.route-transition{will-change:opacity, transform;flex-direction:column;flex:1;min-height:0;animation:.22s ease-out routeFadeIn;display:flex}@keyframes routeFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.user-menu{background-color:var(--ui-color-bg-elevated);z-index:1000;border-radius:.5rem;min-width:120px;position:absolute;top:calc(100% + .5rem);right:0;box-shadow:0 2px 10px #0000001a}.user-menu-item{text-align:left;cursor:pointer;width:100%;font-size:var(--ui-font-size-sm,13px);color:var(--ui-color-text);background:0 0;border:none;padding:.5rem 1rem;transition:background-color .2s;display:block}.user-menu-item:first-child{border-radius:.5rem .5rem 0 0}.user-menu-item:last-child{border-radius:0 0 .5rem .5rem}.user-menu-item:hover{background-color:var(--ui-color-primary-soft)}@media (width<=1100px){.nav-container{gap:1.25rem}.nav-link{padding:0 1.25rem;font-size:.9375rem}.top-nav-search{width:clamp(9rem,22vw,17.5rem);min-width:0;max-width:clamp(9rem,22vw,17.5rem)}}@media (width<=900px){.nav-links{-webkit-overflow-scrolling:touch;scrollbar-width:none;overflow-x:auto}.nav-links::-webkit-scrollbar{display:none}.nav-link{padding:0 .85rem;font-size:.875rem}.user-display-name{display:none}.avatar-container{width:auto}}@media (width<=768px){.main-layout{--ml-top-nav-h:4.75rem}.nav-container{height:auto;min-height:var(--ml-top-nav-h);padding:0 1rem;flex-wrap:wrap;align-items:center;row-gap:.5rem;padding-top:.5rem;padding-bottom:.5rem}.logo-img{height:calc(var(--ml-top-nav-h) - 1rem);width:auto;max-width:6.5rem}.nav-links{flex:none;order:3;width:100%;height:2.5rem}.user-area{gap:.75rem;margin-left:auto}.top-nav-search{width:clamp(8rem,36vw,13.75rem);min-width:0;max-width:clamp(8rem,36vw,13.75rem);height:2.125rem}.top-nav-search-btn span{display:none}.top-nav-search-btn{padding:0 .75rem}}:global(html.ielts-shell.ielts-landscape) .main-layout{--ml-top-nav-h:3.25rem}:global(html.ielts-shell.ielts-landscape) .nav-container{height:var(--ml-top-nav-h)!important;min-height:var(--ml-top-nav-h)!important;flex-wrap:nowrap!important;row-gap:0!important;padding-top:0!important;padding-bottom:0!important}:global(html.ielts-shell.ielts-landscape) .nav-links{flex:auto!important;order:0!important;width:auto!important;height:100%!important}:global(html.ielts-shell.ielts-landscape) .top-nav-search{overflow:hidden}:global(html.ielts-shell.ielts-landscape) .top-nav-search-btn{border-radius:0 var(--ml-search-radius,6px) var(--ml-search-radius,6px) 0;flex-shrink:0;min-width:2rem;padding:0}html[data-theme=dark] .top-nav{background:var(--ui-color-bg-elevated);border-bottom-color:var(--ui-color-border-soft)}html[data-theme=dark] .main-layout{--ml-nav-accent:#6db8d9;--ml-nav-accent-strong:#8ecae6;--ml-nav-active-text:#8ecae6;--ml-nav-active-bg:color-mix(in srgb, var(--ui-color-bg-page) 72%, #6db8d9 28%);--ml-nav-inactive-text:#c5e4f3;--ml-nav-search-btn:#2d6f8d;--ml-bg:var(--ui-color-bg-page)}html[data-theme=dark] .nav-link:hover{background:color-mix(in srgb, var(--ml-nav-active-bg) 55%, transparent)}html[data-theme=dark] .top-nav-search{border-color:var(--ui-color-border-soft);background:var(--ui-color-bg-page)}html[data-theme=dark] .top-nav-search-input{background:var(--ui-color-bg-page);color:var(--ui-color-input-text)}html[data-theme=dark] .top-nav-search-input::placeholder{color:var(--ui-color-input-placeholder)}html[data-theme=dark] .top-nav-search-btn{background:var(--ml-nav-search-btn);color:#fff}html[data-theme=dark] .top-nav-search-btn:hover{background:var(--ml-nav-accent-strong);color:#121722}html[data-theme=dark] .user-display-name{color:var(--ml-nav-inactive-text)}html[data-theme=dark] .avatar-wrap{background:color-mix(in srgb, var(--ml-nav-accent) 18%, var(--ui-color-bg-elevated));border-color:color-mix(in srgb, var(--ml-nav-accent) 40%, transparent);color:var(--ml-nav-accent-strong)}html[data-theme=dark] .user-menu{background-color:var(--ui-color-bg-elevated);border:1px solid var(--ui-color-border-soft);box-shadow:0 8px 24px #0006}html[data-theme=dark] .user-menu-item{color:var(--ui-color-text)}html[data-theme=dark] .user-menu-item:hover{background-color:var(--ui-color-primary-soft)}html[data-theme=dark] .content{background:var(--app-warm-canvas)}._mask_1qlps_1{z-index:1400;background:#0f172a66;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}._dialog_1qlps_12{background:var(--ui-color-bg-elevated,#fff);border:1px solid var(--ui-color-border-soft,#e8ecf0);border-radius:16px;width:min(420px,92vw);padding:1.25rem 1.2rem 1.1rem;box-shadow:0 22px 60px #0f172a38}._title_1qlps_21{color:var(--ui-color-text,#1f2937);font-size:1.05rem;font-weight:700}._text_1qlps_27{color:var(--ui-color-muted,#64748b);margin-top:.65rem;font-size:.95rem;line-height:1.6}._actions_1qlps_34{justify-content:flex-end;margin-top:1.15rem;display:flex}._confirm_1qlps_40{color:#fff;cursor:pointer;background:#004b76;border:none;border-radius:8px;min-width:5.5rem;height:2.25rem;padding:0 1rem;font-size:.92rem;font-weight:600}._confirm_1qlps_40:hover{background:#003a5c}html[data-theme=dark] ._dialog_1qlps_12{background:var(--ui-color-bg-elevated,#1e293b);border-color:var(--ui-color-border-soft,#334155)}html[data-theme=dark] ._title_1qlps_21{color:var(--ui-color-text,#f1f5f9)}html[data-theme=dark] ._text_1qlps_27{color:var(--ui-color-muted,#94a3b8)}