/* App Sạch – main.css 1.0.0 · mobile-first */
:root{
	--as-accent:#0d8f6f;--as-accent-ink:#0a6e55;--as-accent-soft:#e3f5ef;
	--as-ink:#14202b;--as-text:#243242;--as-muted:#5b6775;--as-line:#e3e8ee;--as-soft:#f4f7f9;--as-card:#fff;--as-bg:#fff;
	--as-android:#1f8f4a;--as-ios:#1d1d1f;--as-windows:#0a66c2;
	--as-radius:14px;--as-wrap:1120px;--as-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--as-font);font-size:16px;line-height:1.6;color:var(--as-text);background:var(--as-bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--as-accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--as-ink);line-height:1.25;margin:0 0 .5em;font-weight:700}
h1{font-size:1.65rem}h2{font-size:1.3rem}h3{font-size:1.08rem}
p{margin:0 0 1em}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--as-soft);padding:1px 5px;border-radius:5px}
button{font:inherit}
.wrap{max-width:var(--as-wrap);margin:0 auto;padding:0 16px}
.wrap.narrow{max-width:780px}
.muted{color:var(--as-muted)}.small{font-size:.9rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--as-ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.ic{vertical-align:-3px;flex:none}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--as-line)}
.head-row{display:flex;align-items:center;gap:10px;min-height:58px}
.brand{display:flex;align-items:center;gap:8px;color:var(--as-ink);font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--as-accent);color:#fff;align-items:center;justify-content:center}
.brand-name em{font-style:normal;color:var(--as-accent)}
.brand .custom-logo{height:40px;width:auto;max-width:200px;object-fit:contain}
@media (max-width:480px){.brand .custom-logo{height:34px}}
.nav{display:none}
.nav .menu{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:block;padding:8px 12px;border-radius:9px;color:var(--as-text);font-weight:600}
.nav a:hover,.nav .current-menu-item>a{background:var(--as-soft);text-decoration:none;color:var(--as-ink)}
.head-actions{margin-left:auto;display:flex;gap:4px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;border-radius:10px;background:transparent;color:var(--as-ink);cursor:pointer}
.icon-btn:hover{background:var(--as-soft)}
.head-search{border-top:1px solid var(--as-line);padding:10px 0;background:#fff}
.nav.is-open{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--as-line);padding:8px 16px 12px;box-shadow:0 12px 30px rgba(20,32,43,.08)}
.nav.is-open .menu{flex-direction:column}
@media(min-width:900px){.nav{display:block;margin-left:12px}.nav-toggle{display:none}}

/* Search */
.search{display:flex;gap:6px;background:#fff;border:1px solid var(--as-line);border-radius:12px;padding:4px 4px 4px 14px;max-width:640px}
.search input{flex:1;min-width:0;border:0;outline:0;font:inherit;font-size:1rem;background:transparent;padding:8px 0}
.search button{border:0;border-radius:9px;background:var(--as-accent);color:#fff;width:42px;height:40px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(180deg,var(--as-accent-soft),#fff 85%);padding:34px 0 26px;text-align:center}
.hero h1{font-size:1.75rem;margin-bottom:10px}
.hero h1 span{display:block;color:var(--as-accent-ink);font-size:.78em;font-weight:600;margin-top:6px}
.hero-sub{max-width:640px;margin:0 auto 18px;color:var(--as-muted)}
.hero .search{margin:0 auto 16px;box-shadow:0 10px 30px rgba(13,143,111,.12)}
.hero-platforms{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.plat{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--as-line);color:var(--as-ink);font-weight:700}
.plat:hover{text-decoration:none;border-color:var(--as-accent);color:var(--as-accent-ink)}
.plat-android .ic{color:var(--as-android)}.plat-ios .ic{color:var(--as-ios)}.plat-windows .ic{color:var(--as-windows)}
@media(min-width:720px){.hero{padding:56px 0 40px}.hero h1{font-size:2.35rem}}

/* Blocks & grids */
.block{margin:30px auto}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.block-head h2{margin:0}
.more{font-weight:600;white-space:nowrap}
.grid{display:grid;gap:12px}
.grid-apps{grid-template-columns:1fr}
.grid-posts{grid-template-columns:1fr}
.grid-terms{grid-template-columns:1fr 1fr}
@media(min-width:560px){.grid-apps{grid-template-columns:1fr 1fr}.grid-posts{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid-apps{grid-template-columns:repeat(3,1fr)}.grid-posts{grid-template-columns:repeat(3,1fr)}.grid-terms{grid-template-columns:repeat(4,1fr)}}
.card{position:relative;background:var(--as-card);border:1px solid var(--as-line);border-radius:var(--as-radius);overflow:hidden;transition:box-shadow .15s,border-color .15s}
.card:hover{border-color:#c9d4df;box-shadow:0 8px 24px rgba(20,32,43,.07)}
.card-link{position:absolute;inset:0;z-index:1}
.card-app{display:flex;gap:12px;padding:12px}
.card-icon-wrap{flex:none}
.card-icon{width:64px;height:64px;border-radius:16px;object-fit:cover;background:var(--as-soft)}
.card-icon-empty{display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.4rem;color:var(--as-accent)}
.card-body{min-width:0;flex:1}
.card-title{font-size:1.02rem;margin:0 0 2px;color:var(--as-ink)}
.card-sum{font-size:.9rem;color:var(--as-muted);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:.8rem;color:var(--as-muted)}
.meta-ver{font-weight:600;color:var(--as-text)}
.meta-tested{display:inline-flex;align-items:center;gap:3px;color:var(--as-accent-ink);font-weight:600}
.card-post .card-thumb img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-post .card-body{padding:12px 14px 14px}
.card-kicker{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.kicker{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--as-accent-ink);background:var(--as-accent-soft);padding:2px 8px;border-radius:999px}
.kicker-app{color:var(--as-muted);background:var(--as-soft);text-transform:none;letter-spacing:0}
.card-date{font-size:.8rem;color:var(--as-muted)}
.term-card{display:flex;flex-direction:column;gap:3px;padding:14px;border:1px solid var(--as-line);border-radius:var(--as-radius);color:var(--as-ink)}
.term-card:hover{text-decoration:none;border-color:var(--as-accent)}
.term-desc{font-size:.85rem;color:var(--as-muted)}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips-lg{gap:8px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--as-soft);color:var(--as-text);border:1px solid transparent;line-height:1.5}
.chips-lg .chip{font-size:.92rem;padding:7px 13px;background:#fff;border-color:var(--as-line)}
a.chip:hover{text-decoration:none;border-color:var(--as-accent);color:var(--as-accent-ink)}
.chip.is-on{background:var(--as-ink);color:#fff}
.chip-android .ic{color:var(--as-android)}.chip-ios .ic{color:var(--as-ios)}.chip-windows .ic{color:var(--as-windows)}
.chip .count{color:var(--as-muted);font-weight:500}
.chips-terms{margin:14px 0}

/* Breadcrumb */
.crumbs{font-size:.85rem;margin:14px 0 10px;color:var(--as-muted)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li::before{content:"›";margin:0 6px;color:#aab4c0}
.crumbs a{color:var(--as-muted)}

/* App page */
.app-head{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;margin-bottom:14px}
.app-icon img,.app-icon .card-icon{width:72px;height:72px;border-radius:18px}
.app-head h1{font-size:1.5rem;margin-bottom:2px}
.app-dev{color:var(--as-muted);margin:0 0 8px;font-size:.95rem}
.app-check{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.82rem;color:var(--as-muted);margin:8px 0 0}
.app-check .ic{color:var(--as-accent)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:12px;font-weight:700;border:0;cursor:pointer}
.btn-jump{grid-column:1/-1;justify-content:center;background:var(--as-accent);color:#fff}
.btn-jump:hover{text-decoration:none;background:var(--as-accent-ink)}
@media(min-width:720px){.app-head{grid-template-columns:96px 1fr auto}.app-icon img,.app-icon .card-icon{width:96px;height:96px;border-radius:24px}.app-head h1{font-size:2rem}.btn-jump{grid-column:auto;align-self:center}}
.summary{background:var(--as-accent-soft);border-left:4px solid var(--as-accent);border-radius:10px;padding:12px 16px;margin:0 0 20px;font-size:1.02rem}
.summary p:last-child{margin:0}
.app-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.app-layout{grid-template-columns:minmax(0,1fr) 300px}.app-side{display:block}}
.app-side{display:none}
.side-sticky{position:sticky;top:76px;display:flex;flex-direction:column;gap:18px}
.toc h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--as-muted);margin-bottom:6px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--as-line)}
.toc a{display:block;padding:5px 12px;font-size:.9rem;color:var(--as-text);border-left:2px solid transparent;margin-left:-2px}
.toc a.is-active,.toc a:hover{border-left-color:var(--as-accent);color:var(--as-accent-ink);text-decoration:none}
.toc:not(.has-items){display:none}
.side-tool .asc-tool{margin:0;padding:14px}
.side-tool .asc-device-info dl{grid-template-columns:1fr}

/* Download box */
.dl{border:1px solid var(--as-line);border-radius:var(--as-radius);overflow:hidden;margin:0 0 22px;background:#fff}
.dl-head{padding:14px 16px 8px}
.dl-head h2{margin:0 0 4px;font-size:1.2rem}
.dl-note{margin:0;font-size:.85rem;color:var(--as-muted);display:flex;gap:6px;align-items:flex-start}
.dl-note .ic{color:var(--as-accent);margin-top:3px}
.tablist{display:flex;gap:4px;padding:8px 10px 0;border-bottom:1px solid var(--as-line);overflow-x:auto}
.tab{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--as-muted);font-weight:700;cursor:pointer;white-space:nowrap;margin-bottom:-1px}
.tab[aria-selected="true"]{color:var(--as-ink);border-bottom-color:var(--as-accent)}
.tab:focus-visible{outline:2px solid var(--as-accent);outline-offset:-2px;border-radius:6px}
.panel{padding:14px 16px}
.release+.release{border-top:1px dashed var(--as-line);margin-top:14px;padding-top:14px}
.btn-dl{width:100%;flex-wrap:wrap;justify-content:center;background:var(--as-accent);color:#fff;padding:13px 16px;font-size:1.02rem}
.btn-dl:hover{background:var(--as-accent-ink);text-decoration:none}
.btn-dl-domain{font-weight:500;font-size:.82rem;opacity:.9;display:inline-flex;align-items:center;gap:3px;width:100%;justify-content:center}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:12px 0 0}
.specs div{min-width:0}
.specs dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--as-muted)}
.specs dd{margin:1px 0 0;font-weight:600;word-wrap:break-word}
@media(min-width:560px){.specs{grid-template-columns:repeat(3,1fr)}.btn-dl{width:auto;min-width:280px}.btn-dl-domain{width:auto;margin-left:6px;padding-left:8px;border-left:1px solid rgba(255,255,255,.4)}}
.sha{font-size:.82rem;margin:10px 0 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--as-muted)}
.sha code{word-break:break-all;font-size:.75rem}
.copy{border:1px solid var(--as-line);background:#fff;border-radius:6px;padding:2px 6px;cursor:pointer;color:var(--as-text)}
.release-note{margin:8px 0 0;font-size:.9rem;color:var(--as-muted)}

/* Tested */
.tested{background:var(--as-soft);border-radius:var(--as-radius);padding:14px 16px;margin:0 0 22px}
.tested h2{font-size:1.1rem;display:flex;align-items:center;gap:6px;margin-bottom:8px}
.tested h2 .ic{color:var(--as-accent)}
.specs-tested{margin:0}
.tested-notes{margin:10px 0 0;font-size:.92rem}

/* Shots */
.shots{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;margin:0 0 22px}
.shots img{height:260px;width:auto;border-radius:12px;border:1px solid var(--as-line);scroll-snap-align:start;flex:none}
@media(min-width:720px){.shots img{height:340px}}

/* Entry (nội dung) */
.entry{font-size:1.02rem}
.entry>*{max-width:100%}
.entry h2{margin-top:1.7em;padding-top:.2em;font-size:1.3rem}
.entry h3{margin-top:1.4em}
.entry img{border-radius:10px}
.entry table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1em 0;display:block;overflow-x:auto}
.entry th,.entry td{border:1px solid var(--as-line);padding:8px 10px;text-align:left;vertical-align:top}
.entry th{background:var(--as-soft)}
.entry blockquote{margin:1em 0;padding:10px 16px;border-left:4px solid var(--as-accent);background:var(--as-accent-soft);border-radius:8px}
.entry ul,.entry ol{padding-left:1.3em}
.entry li{margin:.3em 0}
.entry figure{margin:1.2em 0}
.entry figcaption{font-size:.85rem;color:var(--as-muted);text-align:center;margin-top:6px}
.lead{font-size:1.08rem;color:var(--as-muted)}

/* Sections on app page */
.cluster,.history,.faq,.official,.related{margin:28px 0}
.cluster-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
@media(min-width:560px){.cluster-list{grid-template-columns:1fr 1fr}}
.cluster-list a{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--as-line);border-radius:12px;color:var(--as-ink)}
.cluster-list a:hover{text-decoration:none;border-color:var(--as-accent)}
.cluster-title{font-weight:600}
.cluster-list time{font-size:.8rem;color:var(--as-muted)}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--as-line);vertical-align:top}
.tbl th{color:var(--as-muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
.faq details{border-bottom:1px solid var(--as-line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:600;padding:10px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--as-muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq-a{padding:0 0 12px;color:var(--as-text)}
.official ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.app-foot{margin:26px 0 0;padding-top:14px;border-top:1px solid var(--as-line)}

/* Post */
.post-head{margin:6px 0 18px}
.post-head h1{font-size:1.6rem}
@media(min-width:720px){.post-head h1{font-size:2rem}}
.app-mini{display:flex;align-items:center;gap:12px;margin:14px 0 0;padding:10px 12px;border:1px solid var(--as-line);border-radius:12px;color:var(--as-ink);max-width:460px}
.app-mini img{width:48px;height:48px;border-radius:12px}
.app-mini>span{display:flex;flex-direction:column;line-height:1.35}
.app-mini:hover{text-decoration:none;border-color:var(--as-accent)}
.post-cover{margin:0 0 20px}
.post-cover img{border-radius:var(--as-radius);width:100%}
.post-foot{margin-top:24px}

/* Archive */
.arch-head{margin:6px 0 18px}
.arch-desc{color:var(--as-text);max-width:760px}
.arch-desc p:last-child{margin-bottom:0}
.filter{margin:12px 0 0}
.empty{color:var(--as-muted);padding:30px 0}
.pagination{margin:28px 0}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.page-numbers{display:inline-block;padding:7px 12px;border:1px solid var(--as-line);border-radius:9px;color:var(--as-text)}
.page-numbers.current{background:var(--as-ink);color:#fff;border-color:var(--as-ink)}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* How */
.how-grid{display:grid;gap:14px}
@media(min-width:720px){.how-grid{grid-template-columns:repeat(3,1fr)}}
.how-grid div{background:var(--as-soft);border-radius:var(--as-radius);padding:16px}
.how-grid h3{display:flex;align-items:center;gap:8px;font-size:1rem}
.how-grid h3 .ic{color:var(--as-accent)}
.how-grid p{margin:0;font-size:.95rem;color:var(--as-text)}
.how-more{margin:12px 0 0;font-weight:600}

/* Comments */
.comments{margin:36px 0 0;padding-top:20px;border-top:1px solid var(--as-line)}
.comment-list{list-style:none;margin:0;padding:0}
.comment-list .comment{padding:14px 0;border-bottom:1px solid var(--as-line)}
.comment-list .children{list-style:none;padding-left:24px}
.comment-author{display:flex;align-items:center;gap:8px;font-weight:600}
.comment-author img{border-radius:50%}
.comment-metadata{font-size:.8rem;color:var(--as-muted)}
.comment-content{font-size:.97rem}
.comment-form label{display:block;font-size:.9rem;font-weight:600;margin-bottom:4px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form textarea{width:100%;padding:10px 12px;border:1px solid var(--as-line);border-radius:10px;font:inherit}
.comment-form .submit{background:var(--as-accent);color:#fff;border:0;border-radius:10px;padding:11px 18px;font-weight:700;cursor:pointer}

/* Footer */
.site-foot{margin-top:48px;border-top:1px solid var(--as-line);background:var(--as-soft);padding:28px 0 18px;font-size:.92rem;color:var(--as-muted)}
.foot-grid{display:grid;gap:18px}
@media(min-width:720px){.foot-grid{grid-template-columns:1.4fr 1fr}}
.foot-about .brand-name{font-weight:800;font-size:1.1rem;color:var(--as-ink);margin-bottom:6px}
.foot-menu{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}
.foot-menu a{color:var(--as-text);font-weight:600}
.foot-bottom{margin-top:16px;padding-top:12px;border-top:1px solid var(--as-line);font-size:.82rem}
.foot-bottom p{margin:0}

/* Print */
@media print{.site-head,.site-foot,.app-side,.comments,.btn-jump{display:none}}