/* HINH ANH Y HOC - V8.0.0 self-audit + Knowledge Library 2.0 */
:root{--v80-font:"Segoe UI",Arial,sans-serif;--v80-library:#087b75;--v80-library-2:#19a99c;--v80-library-soft:color-mix(in srgb,var(--theme-soft) 74%,#fff)}
html,body,button,input,textarea,select{font-family:var(--v80-font)!important}
.v70-section-heading h2,.v70-experience-copy h2,.v70-progress-panel h2,.v70-library-preview h2,.v70-final-cta h2,.v70-dashboard-copy h1,.v70-home-heading h2,.v80-library-shell h1,.v80-library-shell h2,.v80-reader-shell h1,.v80-reader-shell h2,.v80-admin-library-head h1{font-family:var(--v80-font)!important;letter-spacing:normal!important}
.v70-landing .landing-brand small,.brand-sub{letter-spacing:.08em!important}
:focus-visible{outline:3px solid color-mix(in srgb,var(--theme-accent) 45%,transparent);outline-offset:3px}

/* Landing: Library is visually separate from practice. */
.v80-landing-library{background:linear-gradient(135deg,color-mix(in srgb,var(--surface) 94%,#d9f6f0),color-mix(in srgb,var(--surface) 92%,#e8f1ff));border:1px solid color-mix(in srgb,var(--theme-accent) 17%,var(--line));}
.v80-landing-library-chips{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}.v80-landing-library-chips span{padding:7px 11px;border-radius:999px;background:color-mix(in srgb,var(--theme-soft) 78%,var(--surface));border:1px solid var(--line);font-size:9px;font-weight:800;color:var(--ink)}
.v80-library-art{display:grid!important;place-content:center;gap:10px;text-align:center}.v80-library-art b{font-size:10px;line-height:1.4;letter-spacing:.13em;color:color-mix(in srgb,var(--theme-accent) 78%,var(--ink))}

/* Library shell */
.v80-library-shell{display:grid;gap:28px;max-width:1500px;margin:0 auto;padding-bottom:48px}.v80-library-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:32px;align-items:end;padding:34px;border:1px solid color-mix(in srgb,var(--theme-accent) 17%,var(--line));border-radius:28px;background:linear-gradient(135deg,color-mix(in srgb,var(--surface) 93%,#dff8f4),color-mix(in srgb,var(--surface) 96%,#eef5ff));box-shadow:0 18px 58px rgba(24,76,84,.08)}
.v80-library-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-180px;top:-235px;background:radial-gradient(circle,color-mix(in srgb,var(--theme-accent-2) 24%,transparent),transparent 67%);pointer-events:none}.v80-library-hero>div,.v80-library-hero>aside{position:relative;z-index:1}.v80-eyebrow,.v80-library-section header span,.v80-library-taxonomy>div>span,.v80-results-head span,.v80-reader-kicker span,.v80-sources>span,.v80-toc>span,.v80-admin-library-head>div:first-child>span{font-size:8px;font-weight:900;letter-spacing:.14em;color:var(--theme-accent);text-transform:uppercase}.v80-library-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.02;margin:7px 0 12px;color:var(--ink)}.v80-library-hero p{max-width:780px;color:var(--muted);font-size:12px;line-height:1.75}.v80-library-hero>aside{min-height:150px;border-radius:22px;background:linear-gradient(145deg,color-mix(in srgb,var(--theme-accent) 86%,#072d35),color-mix(in srgb,var(--theme-accent-2) 85%,#073b42));color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 18px 40px rgba(6,83,88,.2)}.v80-library-hero>aside strong{font-size:46px;line-height:1}.v80-library-hero>aside span{font-size:10px;margin-top:5px}.v80-library-hero>aside small{font-size:8px;opacity:.75;margin-top:16px;letter-spacing:.08em}.v80-library-search{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:10px;align-items:center;margin-top:23px;max-width:820px;padding:8px 8px 8px 14px;border-radius:17px;background:var(--surface);border:1px solid var(--line);box-shadow:0 10px 30px rgba(28,55,68,.06)}.v80-library-search>.icon{width:17px;color:var(--muted)}.v80-library-search input{border:0;background:transparent;color:var(--ink);min-width:0;font-size:12px;outline:0}.v80-library-quick{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.v80-library-quick a{padding:7px 10px;border-radius:999px;background:color-mix(in srgb,var(--surface) 80%,transparent);border:1px solid var(--line);font-size:8.5px;font-weight:800;color:var(--muted);transition:.18s ease}.v80-library-quick a:hover{color:var(--theme-accent);border-color:color-mix(in srgb,var(--theme-accent) 35%,var(--line));transform:translateY(-1px)}
.v80-library-section{display:grid;gap:16px}.v80-library-section>header{display:flex;align-items:end;justify-content:space-between;gap:20px}.v80-library-section h2,.v80-library-taxonomy h2,.v80-results-head h2{font-size:27px;margin-top:4px;color:var(--ink)}.v80-library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.v80-article-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:0 12px 34px rgba(30,56,67,.055);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.v80-article-card:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(30,56,67,.10);border-color:color-mix(in srgb,var(--theme-accent) 24%,var(--line))}.v80-article-media{height:146px;position:relative;display:grid;place-items:center;overflow:hidden;background:linear-gradient(145deg,#0c4652,#0f8b85);background-image:linear-gradient(145deg,rgba(6,45,54,.34),rgba(12,103,104,.06)),var(--library-cover);background-size:cover;background-position:center;color:white}.v80-article-media:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 22%,rgba(255,255,255,.22),transparent 28%),linear-gradient(180deg,transparent 55%,rgba(5,30,38,.32))}.v80-article-media>.icon{width:46px;height:46px;position:relative;z-index:2;opacity:.92;stroke-width:1.15}.v80-media-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px;opacity:.7}.v80-media-modality{position:absolute;left:12px;top:12px;z-index:3;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.88);color:#07565d;font-size:8px;font-weight:900;letter-spacing:.05em}.v80-article-card.tone-ct .v80-article-media{background-color:#304d7e;background-image:linear-gradient(145deg,rgba(19,37,70,.42),rgba(47,98,158,.12)),var(--library-cover)}.v80-article-card.tone-xray .v80-article-media{background-color:#283c53;background-image:linear-gradient(145deg,rgba(11,26,42,.54),rgba(79,120,151,.12)),var(--library-cover)}.v80-article-card.tone-us .v80-article-media{background-color:#395d77;background-image:linear-gradient(145deg,rgba(18,44,61,.5),rgba(42,126,134,.12)),var(--library-cover)}.v80-article-copy{padding:16px}.v80-article-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.v80-article-meta span,.v80-tags span{font-size:7.5px;padding:5px 8px;border-radius:999px;background:var(--theme-soft);color:var(--muted);font-weight:800}.v80-article-copy h3{font-size:15px;line-height:1.32;color:var(--ink);margin:0 0 7px;min-height:40px}.v80-article-copy>p{font-size:9.5px;line-height:1.6;color:var(--muted);min-height:46px}.v80-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:11px}.v80-article-copy footer{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:8px;min-height:34px}.v80-article-copy footer>span{display:flex;align-items:center;gap:4px;font-size:8px;color:var(--muted)}.v80-article-copy footer>span.done{color:#0b9c70}.v80-article-copy footer .icon{width:12px}.v80-save{margin-left:auto;border:0;background:transparent;color:var(--muted);display:flex;align-items:center;gap:4px;font-size:8px;font-weight:800;cursor:pointer;padding:6px}.v80-save.saved{color:var(--theme-accent)}.v80-save .icon{width:14px}.v80-save.saved .icon{fill:currentColor}
.v80-continue-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.v80-continue-card{display:grid;grid-template-columns:42px minmax(0,1fr) 18px;gap:10px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink)}.v80-continue-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--theme-soft);color:var(--theme-accent)}.v80-continue-icon .icon{width:18px}.v80-continue-card small{font-size:7px;color:var(--theme-accent);font-weight:900;letter-spacing:.08em}.v80-continue-card strong{display:block;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:3px 0 6px}.v80-continue-card>div>span{font-size:7.5px;color:var(--muted)}.v80-mini-progress{height:4px;background:var(--theme-soft);border-radius:9px;overflow:hidden;margin-bottom:5px}.v80-mini-progress i{display:block;height:100%;background:var(--theme-accent);border-radius:inherit}.v80-continue-card>.icon{width:15px;color:var(--muted)}
.v80-library-taxonomy{padding:28px;border-radius:24px;background:color-mix(in srgb,var(--surface) 92%,var(--theme-soft));border:1px solid var(--line)}.v80-library-taxonomy>div:last-child{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}.v80-library-taxonomy a{padding:18px;border-radius:16px;background:var(--surface);border:1px solid var(--line);display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:10px}.v80-library-taxonomy a>i{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--theme-soft);color:var(--theme-accent)}.v80-library-taxonomy a>i .icon{width:18px}.v80-library-taxonomy a strong{font-size:12px}.v80-library-taxonomy a span{font-size:8px;color:var(--muted);display:flex;align-items:center;gap:4px}.v80-library-taxonomy a span .icon{width:12px}
.v80-library-filters{display:grid;grid-template-columns:minmax(170px,1.4fr) repeat(4,minmax(120px,.7fr)) auto auto auto;gap:9px;align-items:end;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.v80-library-filters label{display:grid;gap:5px}.v80-library-filters label>span{font-size:8px;color:var(--muted);font-weight:800}.v80-filter-search{position:relative}.v80-filter-search>.icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;color:var(--muted)}.v80-filter-search input{padding-left:34px}.v80-check{display:flex!important;align-items:center;gap:7px;min-height:42px;padding:0 7px}.v80-results-head{margin-top:3px}.v80-pagination{display:flex;justify-content:center;align-items:center;gap:12px;padding-top:6px}.v80-pagination span{font-size:9px;color:var(--muted)}

/* Reader */
.v80-reader-shell{max-width:1450px;margin:0 auto 50px;position:relative}.v80-reader-progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:300;background:transparent}.v80-reader-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--theme-accent),var(--theme-accent-2));transition:width .2s ease}.v80-back{display:inline-flex;align-items:center;gap:6px;font-size:9px;color:var(--muted);font-weight:800;margin-bottom:14px}.v80-back .icon{width:13px;transform:rotate(180deg)}.v80-reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;align-items:start}.v80-reader{overflow:hidden;border:1px solid var(--line);border-radius:26px;background:var(--surface);box-shadow:0 18px 55px rgba(25,52,64,.07)}.v80-reader-header{position:relative;min-height:285px;padding:44px;display:flex;align-items:end;background:linear-gradient(135deg,#0d4954,#0e8c83);background-image:linear-gradient(90deg,rgba(7,43,51,.78),rgba(7,43,51,.22)),var(--reader-cover);background-size:cover;background-position:center;color:white}.v80-reader-header-shade{position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(63,231,215,.3),transparent 27%),linear-gradient(180deg,transparent,rgba(7,37,44,.25));pointer-events:none}.v80-reader-header>div:last-child{position:relative;z-index:1;max-width:900px}.v80-reader-kicker{display:flex;gap:7px;flex-wrap:wrap}.v80-reader-kicker span{color:white;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);padding:6px 8px;border-radius:999px}.v80-reader-header h1{font-size:clamp(34px,5vw,60px);line-height:1.03;color:white;margin:12px 0}.v80-reader-header p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.84);max-width:760px}.v80-reader-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}.v80-reader-meta span{font-size:8.5px;display:flex;align-items:center;gap:5px;color:rgba(255,255,255,.76)}.v80-reader-meta .icon{width:13px}.v80-reader-body{max-width:900px;margin:0 auto;padding:42px 48px 52px}.v80-article-body{font-size:15px;line-height:1.86;color:var(--ink)}.v80-article-body h2{font-size:27px;margin:42px 0 14px;padding-top:7px;scroll-margin-top:90px}.v80-article-body h3{font-size:19px;margin:30px 0 12px;scroll-margin-top:90px}.v80-article-body p{margin:0 0 19px;color:color-mix(in srgb,var(--ink) 90%,var(--muted))}.v80-article-body ul,.v80-article-body ol{margin:0 0 22px;padding-left:24px;display:grid;gap:9px}.v80-article-body li::marker{color:var(--theme-accent);font-weight:800}.v80-article-body strong{color:var(--ink)}.v80-article-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--theme-soft);padding:2px 5px;border-radius:5px;font-size:.92em}.v80-article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}.v80-article-callout{margin:24px 0;padding:18px 20px;border-left:4px solid var(--theme-accent);border-radius:0 14px 14px 0;background:var(--theme-soft);font-size:13px;line-height:1.72;color:var(--ink)}.v80-article-figure{margin:28px 0}.v80-article-figure img{width:100%;max-height:620px;object-fit:contain;border-radius:16px;background:#09171c}.v80-article-figure figcaption{font-size:8.5px;color:var(--muted);margin-top:8px;text-align:center}.v80-reader-aside{position:sticky;top:84px;display:grid;gap:12px}.v80-reader-tools,.v80-toc,.v80-reader-note{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.v80-reader-tool-actions{display:grid;grid-template-columns:1fr;gap:8px}.v80-reader-tool-actions .v80-save{margin:0;justify-content:center;border:1px solid var(--line);border-radius:12px;min-height:40px;background:var(--surface)}.v80-reading-status{margin-top:14px;padding-top:13px;border-top:1px solid var(--line)}.v80-reading-status>span{font-size:8px;color:var(--muted)}.v80-reading-status>strong{float:right;font-size:9px;color:var(--theme-accent)}.v80-reading-status>div{clear:both;height:5px;border-radius:10px;background:var(--theme-soft);overflow:hidden;margin-top:8px}.v80-reading-status i{display:block;height:100%;width:0;background:var(--theme-accent);border-radius:inherit}.v80-toc{display:grid;gap:3px}.v80-toc>span{margin-bottom:8px}.v80-toc button{border:0;background:transparent;text-align:left;display:grid;grid-template-columns:25px 1fr;gap:5px;align-items:start;padding:7px 5px;border-radius:8px;color:var(--muted);font-size:8.5px;cursor:pointer;line-height:1.45}.v80-toc button:hover{background:var(--theme-soft);color:var(--ink)}.v80-toc button b{font-size:7px;color:var(--theme-accent)}.v80-toc button.level-3{padding-left:14px}.v80-reader-note{display:flex;gap:10px;align-items:flex-start;background:color-mix(in srgb,var(--theme-soft) 68%,var(--surface))}.v80-reader-note>.icon{width:18px;color:var(--theme-accent);flex:0 0 18px}.v80-reader-note strong{display:block;font-size:9px}.v80-reader-note span{display:block;font-size:8px;color:var(--muted);line-height:1.55;margin-top:3px}.v80-sources{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}.v80-sources h2{font-size:22px;margin:4px 0 14px}.v80-sources>div{display:grid;gap:7px}.v80-sources a{display:grid;grid-template-columns:32px 1fr 18px;gap:8px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:12px;color:var(--ink);font-size:9px}.v80-sources a b{color:var(--theme-accent)}.v80-sources a .icon{width:13px}.v80-sources>small{display:block;margin-top:14px;color:var(--muted);font-size:8px;line-height:1.55}.v80-reader-neighbors{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:30px}.v80-reader-neighbors a{padding:15px;border:1px solid var(--line);border-radius:14px}.v80-reader-neighbors a:last-child{text-align:right}.v80-reader-neighbors small{display:block;font-size:8px;color:var(--muted)}.v80-reader-neighbors strong{display:block;font-size:10px;margin-top:4px;color:var(--ink)}

/* Admin library */
.v80-admin-library-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:end;margin-bottom:20px;padding:26px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,color-mix(in srgb,var(--surface) 94%,#e0f7f4),var(--surface))}.v80-admin-library-head h1{font-size:31px;margin:4px 0}.v80-admin-library-head p{font-size:10px;color:var(--muted)}.v80-admin-library-head>div:last-child{display:grid;grid-template-columns:repeat(4,100px);gap:7px}.v80-admin-library-head article{padding:12px;border:1px solid var(--line);border-radius:13px;background:var(--surface);text-align:center}.v80-admin-library-head article strong{display:block;font-size:19px;color:var(--theme-accent)}.v80-admin-library-head article span{font-size:7.5px;color:var(--muted)}.v80-admin-library-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:16px;align-items:start}.v80-taxonomy-form{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.v80-admin-cover{height:130px;border:1px dashed var(--line);border-radius:14px;margin-top:8px;display:grid;place-items:center;background:linear-gradient(135deg,var(--theme-soft),var(--surface));background-image:linear-gradient(135deg,rgba(0,0,0,.08),transparent),var(--admin-cover);background-size:cover;background-position:center}.v80-admin-cover span{font-size:8px;color:var(--muted);padding:7px 9px;border-radius:9px;background:color-mix(in srgb,var(--surface) 88%,transparent)}.v80-editor-textarea{font-family:var(--v80-font)!important;line-height:1.65;min-height:480px}.v80-editor-help{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}.v80-editor-help span,.v80-editor-help strong{font-size:7.5px;color:var(--muted);padding:5px 7px;border-radius:7px;background:var(--theme-soft)}.v80-editor-help strong{margin-left:auto;color:var(--theme-accent)}.v80-publish-row{padding-top:12px;border-top:1px solid var(--line)}.v80-admin-article-list{display:grid;gap:8px}.v80-admin-article-list article{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:12px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.v80-admin-article-list article.active{border-color:color-mix(in srgb,var(--theme-accent) 48%,var(--line));box-shadow:inset 3px 0 0 var(--theme-accent)}.v80-admin-article-list h3{font-size:10px;line-height:1.35;margin:7px 0 4px}.v80-admin-article-list p{font-size:7.5px;color:var(--muted)}.v80-admin-article-list article>div:last-child{display:flex;gap:3px;align-items:center}.v80-admin-preview>img{width:100%;max-height:340px;object-fit:cover;border-radius:14px;margin-bottom:18px}.v80-admin-preview h1{font-size:28px;margin:10px 0}.v80-ann-list{display:grid;gap:6px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.v80-ann-list div{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:6px;align-items:center;font-size:8px}.v80-ann-list a,.v80-ann-list button{border:0;background:transparent;color:var(--theme-accent);font-size:8px;cursor:pointer}

@media(max-width:1180px){.v80-library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.v80-continue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.v80-library-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.v80-admin-library-grid{grid-template-columns:1fr}.v80-admin-library-head{grid-template-columns:1fr}.v80-reader-layout{grid-template-columns:minmax(0,1fr) 245px}.v80-taxonomy-form{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.v80-library-hero{grid-template-columns:1fr;padding:24px}.v80-library-hero>aside{display:none}.v80-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.v80-library-taxonomy>div:last-child{grid-template-columns:repeat(2,minmax(0,1fr))}.v80-reader-layout{grid-template-columns:1fr}.v80-reader-aside{position:static;grid-template-columns:1fr 1fr}.v80-reader-note{grid-column:1/-1}.v80-reader-header{min-height:250px;padding:28px}.v80-reader-body{padding:30px}.v80-admin-library-head>div:last-child{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:560px){.v80-library-shell{gap:20px}.v80-library-hero{padding:19px;border-radius:20px}.v80-library-hero h1{font-size:36px}.v80-library-search{grid-template-columns:18px minmax(0,1fr)}.v80-library-search .btn{grid-column:1/-1;width:100%}.v80-library-grid,.v80-continue-grid,.v80-library-taxonomy>div:last-child{grid-template-columns:1fr}.v80-article-media{height:132px}.v80-article-copy h3{min-height:0}.v80-article-copy>p{min-height:0}.v80-library-filters{grid-template-columns:1fr}.v80-library-section>header{align-items:start}.v80-reader-header{padding:22px;min-height:270px}.v80-reader-header h1{font-size:34px}.v80-reader-body{padding:24px 19px 34px}.v80-article-body{font-size:15px;line-height:1.78}.v80-article-body h2{font-size:23px}.v80-reader-aside{grid-template-columns:1fr}.v80-reader-neighbors{grid-template-columns:1fr}.v80-reader-neighbors a:last-child{text-align:left}.v80-admin-library-head{padding:18px}.v80-admin-library-head>div:last-child{grid-template-columns:repeat(2,minmax(0,1fr))}.v80-taxonomy-form{grid-template-columns:1fr}.v80-editor-help strong{margin-left:0}.v80-admin-article-list article{grid-template-columns:1fr}.v80-admin-article-list article>div:last-child{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){.v80-article-card,.v80-library-quick a{transition:none!important}.v80-article-card:hover{transform:none!important}}

/* V8 readability pass: Vietnamese diacritics + reading comfort */
h1,h2,h3,h4,.v70-hero h1,.v70-mode-card h3{font-family:var(--v80-font)!important;letter-spacing:normal!important}
.v80-eyebrow,.v80-library-section header span,.v80-library-taxonomy>div>span,.v80-results-head span,.v80-sources>span,.v80-toc>span,.v80-admin-library-head>div:first-child>span{font-size:10px}
.v80-media-modality{font-size:10px}.v80-article-meta span,.v80-tags span{font-size:10px}.v80-article-copy>p{font-size:11px}.v80-article-copy footer>span,.v80-save{font-size:10px}
.v80-continue-card small{font-size:9px}.v80-continue-card strong{font-size:12px}.v80-continue-card>div>span{font-size:9px}.v80-library-taxonomy a span{font-size:10px}.v80-library-filters label>span{font-size:10px}.v80-pagination span{font-size:11px}
.v80-back{font-size:11px}.v80-reader-meta span{font-size:10px}.v80-article-figure figcaption{font-size:10px}.v80-reading-status>span{font-size:10px}.v80-reading-status>strong{font-size:11px}.v80-toc button{font-size:11px}.v80-toc button b{font-size:9px}.v80-reader-note strong{font-size:11px}.v80-reader-note span{font-size:10px}.v80-sources a{font-size:11px}.v80-sources>small{font-size:10px}.v80-reader-neighbors small{font-size:10px}.v80-reader-neighbors strong{font-size:12px}
.v80-admin-library-head p{font-size:11px}.v80-admin-library-head article span,.v80-admin-cover span,.v80-editor-help span,.v80-editor-help strong,.v80-admin-article-list p,.v80-ann-list div,.v80-ann-list a,.v80-ann-list button{font-size:10px}.v80-admin-article-list h3{font-size:12px}