.dual-lang-split{--dual-left:50%;flex:1;align-items:stretch;min-height:0;display:flex}.dual-lang-pane{flex-direction:column;flex:1 1 0;min-width:0;display:flex}.dual-lang-split>.dual-lang-pane:first-child{flex:0 0 calc(var(--dual-left) - 5px)}.dual-lang-split>.dual-lang-pane:last-child{flex:1 1 0}.dual-lang-resizer{cursor:col-resize;touch-action:none;outline:none;flex:0 0 10px;position:relative}.dual-lang-resizer:before{content:"";background:var(--article-line,var(--border,#78788759));width:1px;transition:background .15s,width .15s;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.dual-lang-resizer:after{content:"";background:var(--article-line,var(--border,#78788773));border-radius:999px;width:4px;height:40px;transition:background .15s,height .15s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.dual-lang-resizer:hover:before,.dual-lang-resizer:focus-visible:before,.dual-lang-resizing .dual-lang-resizer:before{background:var(--app-accent-color,#3b82f6);width:3px}.dual-lang-resizer:hover:after,.dual-lang-resizer:focus-visible:after,.dual-lang-resizing .dual-lang-resizer:after{background:var(--app-accent-color,#3b82f6);height:56px}.dual-lang-resizer-hint{border:1px solid var(--app-accent-color,#3b82f6);background:var(--background,#fff);width:26px;height:26px;color:var(--app-accent-color,#3b82f6);opacity:0;pointer-events:none;border-radius:999px;justify-content:center;align-items:center;transition:opacity .15s,transform .15s,background .15s,color .15s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)scale(.7);box-shadow:0 6px 16px -8px #0f172a8c}.dual-lang-resizer-hint svg{width:14px;height:14px}.dual-lang-resizer:hover .dual-lang-resizer-hint,.dual-lang-resizer:focus-visible .dual-lang-resizer-hint,.dual-lang-resizer.is-scrolling .dual-lang-resizer-hint{opacity:1;transform:translate(-50%,-50%)scale(1)}.dual-lang-resizer:hover:after,.dual-lang-resizer:focus-visible:after,.dual-lang-resizer.is-scrolling:after{opacity:0}.dual-lang-resizer.is-scrolling .dual-lang-resizer-hint{background:var(--app-accent-color,#3b82f6);color:#fff}.dual-lang-resizing .dual-lang-resizer-hint{opacity:0}.dual-lang-resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}.dual-lang-resizing .dual-lang-pane{pointer-events:none}.dual-pane-scroll{scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:var(--border,#78788759) #0000;overflow-anchor:none;overscroll-behavior:contain;flex:1;min-height:0;scroll-padding-top:6rem;overflow-y:scroll}.dual-lang-pane .lexical-document-editor-editable>.sticky{top:0}.dual-pane-scroll::-webkit-scrollbar{width:8px}.dual-pane-scroll::-webkit-scrollbar-thumb{background:var(--border,#78788759);border-radius:999px}.dual-pane-scroll::-webkit-scrollbar-track{background:0 0}.dual-lang-pane-header{z-index:5;background:var(--background,#fff);border-bottom:1px solid var(--border,#78788740);justify-content:space-between;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.8125rem;font-weight:600;display:flex;position:sticky;top:0}.dual-lang-pane-header select{border:1px solid var(--border,#78788759);color:inherit;background:0 0;border-radius:.375rem;padding:.25rem .5rem;font-size:.8125rem}.dual-linked-block-active{background-color:#facc1524;background-color:color-mix(in srgb, var(--app-accent-color,#3b82f6) 9%, transparent);box-shadow:0 0 0 6px #facc1524;box-shadow:0 0 0 6px color-mix(in srgb, var(--app-accent-color,#3b82f6) 9%, transparent);border-radius:6px;transition:background-color .14s,box-shadow .14s}.dual-lang-reader-frame{width:var(--dual-reader-width,min(1600px, 100vw - 36px));max-width:calc(100vw - 36px);margin-left:50%;position:relative;transform:translate(-50%)}.dual-lang-reader{border:1px solid var(--article-line,var(--border,#78788740));background:var(--card-bg,var(--background,#fff));border-radius:22px;flex-direction:column;height:calc(100vh - 7.5rem);margin-top:8px;animation:.26s dual-lang-enter;display:flex;overflow:hidden;box-shadow:0 32px 70px -52px #0f172a80}.dual-lang-reader-edge{z-index:6;cursor:ew-resize;touch-action:none;outline:none;width:16px;position:absolute;top:8px;bottom:0}.dual-lang-reader-edge-left{left:-8px}.dual-lang-reader-edge-right{right:-8px}.dual-lang-reader-edge-grip{background:var(--article-line,var(--border,#78788766));opacity:0;border-radius:999px;width:4px;height:44px;transition:opacity .15s,height .15s,background .15s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.dual-lang-reader-edge:hover .dual-lang-reader-edge-grip,.dual-lang-reader-edge:focus-visible .dual-lang-reader-edge-grip,.dual-reader-resizing .dual-lang-reader-edge-grip{opacity:1;background:var(--app-accent-color);height:64px}.dual-reader-resizing{cursor:ew-resize;-webkit-user-select:none;user-select:none}.dual-reader-resizing .dual-lang-reader{pointer-events:none}:root.dark .dual-lang-reader{background:var(--bg-color,var(--background,#1a1a1a))}@keyframes dual-lang-enter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.dual-lang-reader-topbar{border-bottom:1px solid var(--article-line,#78788740);background:color-mix(in srgb, var(--app-accent-color,#3b82f6) 4%, transparent);justify-content:space-between;align-items:center;gap:16px;padding:12px 22px;display:flex}.dual-lang-reader-eyebrow{color:var(--app-accent-color,#3b82f6);letter-spacing:.11em;text-transform:uppercase;align-items:center;gap:9px;font-size:12px;font-weight:750;display:inline-flex}.dual-lang-reader-eyebrow svg{width:15px;height:15px}.dual-lang-reader-hint{color:var(--article-muted,var(--text-secondary,#6b7280));text-align:right;flex:1;font-size:12px;font-weight:550}.dual-lang-reader-close{border:1px solid var(--article-line,#78788759);color:var(--article-muted,var(--text-secondary,#6b7280));cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:600;transition:color .15s,border-color .15s;display:inline-flex}.dual-lang-reader-close:hover{border-color:var(--app-accent-color,#3b82f6);color:var(--app-accent-color,#3b82f6)}.dual-lang-reader-close svg{width:13px;height:13px}.dual-lang-reader .dual-lang-pane-header{border-bottom:1px solid var(--article-line,#78788733);background:color-mix(in srgb, var(--card-bg,var(--background,#fff)) 84%, transparent);-webkit-backdrop-filter:blur(10px);padding:10px 28px}:root.dark .dual-lang-reader .dual-lang-pane-header{background:color-mix(in srgb, var(--bg-color,var(--background,#1a1a1a)) 84%, transparent)}.dual-lang-chip{border:1px solid var(--article-line,#78788759);color:var(--article-muted,var(--text-secondary,#6b7280));letter-spacing:.07em;text-transform:uppercase;border-radius:999px;align-items:center;gap:8px;padding:3px 13px;font-size:11.5px;font-weight:700;display:inline-flex}.dual-lang-chip:before{content:"";background:var(--app-accent-color,#3b82f6);border-radius:50%;width:6px;height:6px}.dual-lang-reader .dual-lang-pane-header select.dual-lang-chip{appearance:none;cursor:pointer;background:0 0;padding-right:13px;transition:color .15s,border-color .15s}.dual-lang-reader .dual-lang-pane-header select.dual-lang-chip:hover{border-color:var(--app-accent-color,#3b82f6);color:var(--app-accent-color,#3b82f6)}.dual-lang-reader-title{color:var(--article-ink,var(--text-color,#111827));letter-spacing:-.03em;margin:0;padding:26px 28px 2px;font-size:23px;font-weight:680;line-height:1.25}.dual-lang-reader .lexical-document-page{padding:6px 28px 56px}.dual-lang-pane[lang=vi]{font-family:"Be Vietnam Pro",var(--app-font-family,system-ui),system-ui,sans-serif}@media (max-width:1023px){.dual-lang-split,.dual-lang-reader,.dual-lang-reader-frame{display:none}}