/* ============================================================
   Tplus theme — main stylesheet
   Ported từ bản concept (Concept website tplus.com.vn.html).
   Bảng màu sáng + Be Vietnam Pro / IBM Plex Sans / IBM Plex Mono / Baloo 2.
   ============================================================ */

:root{
  --blue:#1763d6;
  --blue-ink:#1250b3;
  --cyan:#2fb6e6;
  --cyan-soft:#eaf6fd;
  --g0:#4ecfe0; --g1:#2b93c9; --g2:#0b4faf;
  --bg:#f8fbfe;
  --card:#ffffff;
  --line:#e6eef7;
  --ink:#1a2a43;
  --muted:#65788f;
  --ok:#1c7d55; --ok-bg:#e5f3ec;
  --warn:#9a6a1c; --warn-bg:#f6efe0;
  --sh:0 1px 2px rgba(20,40,70,.03), 0 8px 24px -14px rgba(20,40,70,.12);
  --maxw:1120px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c1622; --card:#15202e; --line:#25303f; --ink:#e7eef6; --muted:#93a3b8;
    --cyan:#4ac8ed; --blue:#5b9be6; --blue-ink:#7db2ec; --cyan-soft:#122735;
    --ok:#57c495; --ok-bg:#12281f; --warn:#d6a44e; --warn-bg:#2b2113;
    --sh:0 1px 2px rgba(0,0,0,.3), 0 12px 34px -16px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --bg:#0c1622;--card:#15202e;--line:#25303f;--ink:#e7eef6;--muted:#93a3b8;
  --cyan:#4ac8ed;--blue:#5b9be6;--blue-ink:#7db2ec;--cyan-soft:#122735;
  --ok:#57c495;--ok-bg:#12281f;--warn:#d6a44e;--warn-bg:#2b2113;
  --sh:0 1px 2px rgba(0,0,0,.3), 0 12px 34px -16px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{animation:none!important;transition:none!important}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--blue);text-underline-offset:2px}
a:hover{color:var(--cyan)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
h1,h2,h3,h4{font-family:"IBM Plex Sans",sans-serif;line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:700;margin:0 0 .5em;text-wrap:pretty;overflow-wrap:break-word}
h2{font-size:clamp(1.4rem,3vw,1.95rem);font-weight:700;margin:1.6em 0 .5em;text-wrap:pretty;overflow-wrap:break-word}
h3{font-size:1.22rem;font-weight:600;margin:1.5em 0 .4em}
h4{font-size:1.02rem;font-weight:600;margin:1.2em 0 .3em}
p{margin:0 0 1em}
strong{font-weight:600}
:focus-visible{outline:2.5px solid var(--cyan);outline-offset:2px;border-radius:3px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--card);padding:10px 16px;border:1px solid var(--line);border-radius:0 0 8px 0;z-index:100}
.skip-link:focus{left:0}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
@supports (backdrop-filter:blur(1px)){header.site{background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(8px)}}
.admin-bar header.site{top:32px}
@media (max-width:782px){.admin-bar header.site{top:46px}}
header.site .wrap{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;flex:none}
.brand svg{height:30px;width:auto;display:block}
.brand img,.brand .custom-logo{height:34px;width:auto;max-width:180px;display:block}
footer .fcol img.custom-logo{height:auto;width:74px}
nav.main{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
nav.main ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav.main a{
  font-family:"IBM Plex Sans",sans-serif;font-size:.9rem;font-weight:500;color:var(--ink);
  text-decoration:none;padding:8px 11px;border-radius:8px;white-space:nowrap;display:block;
}
nav.main a:hover{background:var(--cyan-soft);color:var(--blue)}
nav.main .current-menu-item > a,
nav.main .current-menu-parent > a,
nav.main .current-page-ancestor > a,
nav.main a.on{color:var(--blue);background:var(--cyan-soft)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 9px;cursor:pointer;color:var(--ink);font-size:1rem}
@media(max-width:900px){
  nav.main{position:fixed;inset:66px 0 auto 0;background:var(--card);padding:8px;border-bottom:1px solid var(--line);margin:0;display:none;box-shadow:var(--sh)}
  .admin-bar nav.main{inset:98px 0 auto 0}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:0}
  nav.main a{padding:12px;border-radius:8px}
  .burger{display:block}
}

/* ---------- menu cấp 2 (sổ xuống) ---------- */
nav.main > ul > li{position:relative}
nav.main .sub-menu{
  display:none;flex-direction:column;flex-wrap:nowrap;gap:1px;
  position:absolute;top:100%;left:0;min-width:230px;
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--sh);padding:6px;margin:4px 0 0;z-index:60;
}
nav.main li:hover > .sub-menu,
nav.main li.tplus-sub-open > .sub-menu,
nav.main li:focus-within > .sub-menu{display:flex}
nav.main .sub-menu a{font-size:.85rem;padding:9px 11px;border-radius:7px;white-space:normal}
nav.main .menu-item-has-children > a{display:flex;align-items:center;gap:6px}
nav.main .menu-item-has-children > a::after{
  content:"";width:6px;height:6px;flex:none;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);margin-top:-3px;opacity:.55;
}
@media(max-width:900px){
  nav.main .sub-menu{
    display:flex;position:static;box-shadow:none;border:none;background:none;
    padding:0 0 6px 16px;margin:0;border-left:1px solid var(--line);
  }
  nav.main .menu-item-has-children > a::after{display:none}
  nav.main .sub-menu a{font-size:.84rem;color:var(--muted);padding:8px 11px}
  nav.main .sub-menu a:hover{color:var(--blue)}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;font-family:"IBM Plex Sans",sans-serif;font-weight:600;
  font-size:.92rem;text-decoration:none;border-radius:9px;padding:9px 16px;border:1.5px solid transparent;cursor:pointer;
}
.btn.pri{background:var(--blue);color:#fff}
.btn.pri:hover{background:var(--blue-ink);color:#fff}
.btn.ghost{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn.ghost:hover{border-color:var(--cyan);color:var(--blue)}

/* ---------- generic page ---------- */
main{display:block}
.page-body{padding:clamp(28px,5vw,52px) 0 64px}
.crumb{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.lede{font-size:1.12rem;color:var(--muted);max-width:66ch;margin:0 0 1.4em}
.body{max-width:76ch}
.body > ul,.body > ol{max-width:72ch}

/* ---------- hero (front page) ---------- */
.hero{padding:clamp(28px,5vw,52px) 0 clamp(22px,4vw,36px)}
.hero h1{margin-bottom:.35em}
.hero .tag{font-size:1.1rem;color:var(--muted);margin:1.15em 0 1.4em;max-width:1060px;text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto}
@media(max-width:560px){.hero .tag{text-align:left;hyphens:none}}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{display:block;width:100%;max-width:1060px;height:auto;border-radius:16px;box-shadow:var(--sh)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- trust bar ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 26px;padding:16px clamp(16px,4vw,32px);font-size:.9rem;color:var(--muted)}
.trust span{display:flex;align-items:baseline;gap:.4em}
@media(max-width:620px){.trust .wrap{flex-direction:column;gap:7px}}
.trust b{color:var(--ink);font-family:"IBM Plex Sans",sans-serif;font-weight:600;white-space:nowrap}

/* ---------- section ---------- */
.sec{padding:clamp(30px,5vw,52px) 0}
.sec h2{margin-top:0}
.sec--alt{background:var(--card);border-block:1px solid var(--line)}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin:0 0 8px;font-weight:500}

/* ---------- cards grid ---------- */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--sh);
  display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;
}
a.card:hover{border-color:var(--cyan);transform:translateY(-2px);transition:.15s}
.card .ic{width:38px;height:38px;border-radius:10px;background:var(--cyan-soft);display:flex;align-items:center;justify-content:center;color:var(--blue)}
.card h3{margin:.2em 0 0;font-size:1.08rem}
.card p{margin:0;font-size:.92rem;color:var(--muted)}
.card .meta{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);margin-top:auto}
.pill{display:inline-block;align-self:flex-start;font-family:"IBM Plex Mono",monospace;font-size:10.5px;font-weight:500;letter-spacing:.04em;
  text-transform:uppercase;padding:3px 8px;border-radius:999px;background:var(--cyan-soft);color:var(--blue)}

/* ---------- answer-first / note boxes ---------- */
.tldr{background:var(--cyan-soft);border:1px solid color-mix(in srgb,var(--cyan) 35%,transparent);border-radius:14px;padding:18px 20px;margin:0 0 24px}
.tldr p:last-child{margin-bottom:0}
.tldr .lbl{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 6px;font-weight:500}
.note{background:var(--warn-bg);border-left:4px solid var(--warn);border-radius:8px;padding:14px 16px;margin:20px 0;font-size:.94rem}
.note .lbl{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--warn);font-weight:600;display:block;margin-bottom:4px}
.anon{font-size:.82rem;color:var(--muted);font-style:italic;border:1px dashed var(--line);border-radius:8px;padding:6px 10px;display:inline-block;margin-bottom:14px}

/* ---------- tables ---------- */
.tscroll,.wp-block-table{overflow-x:auto}
.tscroll{border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);margin:20px 0}
table{border-collapse:collapse;width:100%;font-size:14px;background:var(--card)}
th,td{text-align:left;padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:"IBM Plex Sans",sans-serif;font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
tbody tr:last-child td{border-bottom:none}
td.k{font-weight:600;color:var(--ink);white-space:nowrap}
.jp{font-family:"IBM Plex Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}

/* ---------- faq (details/summary + Gutenberg details block) ---------- */
.faq details,.wp-block-details{border:1px solid var(--line);border-radius:10px;margin:8px 0;background:var(--card);overflow:hidden}
.faq summary,.wp-block-details summary{padding:14px 16px;cursor:pointer;font-family:"IBM Plex Sans",sans-serif;font-weight:600;font-size:.98rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker,.wp-block-details summary::-webkit-details-marker{display:none}
.faq summary::after,.wp-block-details summary::after{content:"+";color:var(--cyan);font-weight:700;flex:none}
.faq details[open] summary::after,.wp-block-details[open] summary::after{content:"–"}
.faq details[open] summary,.wp-block-details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:12px 16px 16px}
.wp-block-details > *:not(summary){padding:0 16px}
.wp-block-details > *:not(summary):last-child{padding-bottom:16px}
.faq .a p:last-child{margin-bottom:0}

/* ---------- signature / sources / comments ---------- */
.sign{margin-top:26px;padding-top:14px;border-top:1px solid var(--line);font-family:"Baloo 2",sans-serif;font-weight:600;color:var(--blue);font-size:1.1rem}
.src{font-size:.88rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:22px}
.src code{font-family:"IBM Plex Mono",monospace}
.datestamp{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);margin-bottom:18px}

/* ---------- chia sẻ bài viết ---------- */
.share-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 24px}
.share-lbl{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.share-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  text-decoration:none;cursor:pointer;padding:0;font:inherit;
  transition:transform .12s ease, background .12s ease, color .12s ease, border-color .12s ease}
.share-btn svg{display:block}
.share-btn:hover{transform:translateY(-2px);background:var(--blue);color:#fff;border-color:var(--blue)}
.share-btn.share-copy.copied{background:var(--ok);border-color:var(--ok);color:#fff}
.share-copy .ico-check{color:inherit}

/* căn đều 2 bên — quy tắc chung cho MỌI phần nội dung bài viết (mọi màn hình) */
.prose p,.prose li,.prose blockquote,
.prose .author,.prose .author p,.prose .note,.prose .note p,
.tldr p,.faq .a p,.wp-block-details p,
.bulletin p,
.page-body .body p,.page-body .body li,
.note,.note p,.about-home p{
  text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto;
}
.prose p.crumb,.prose p.datestamp,.prose .sign,.prose .src,
.note .lbl,.tldr .lbl,.card p,.bulletin .datestamp{text-align:left;hyphens:none}

/* ---------- article layout + sticky TOC ---------- */
.article-wrap{max-width:var(--maxw)}
.prose{min-width:0}
.prose > *{max-width:74ch}
/* trang Thuật ngữ: nội dung dưới tiêu đề dàn hết bề ngang trang (bằng bảng) */
.page-template-page-thuat-ngu .prose,
.page-template-page-thuat-ngu .prose > *{max-width:none}
.prose .tscroll,.prose .wp-block-table,.prose figure,.prose .tldr,.prose .faq,.prose .more-in{max-width:none}
.prose h2{scroll-margin-top:82px}
.article-wrap .toc{display:none}
@media(min-width:1080px){
  .article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:52px;align-items:start}
  .article-wrap .prose{grid-column:1;grid-row:1}
  .article-wrap .toc{display:block;grid-column:2;grid-row:1;position:sticky;top:82px;font-size:.85rem;
    border-left:2px solid var(--line);padding-left:14px;max-height:calc(100vh - 104px);overflow:auto}
  .admin-bar .article-wrap .toc{top:114px}
  .article-wrap .toc[hidden]{display:none}
}
.toc .lbl{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-weight:500}
.toc a{display:block;padding:5px 0;color:var(--muted);line-height:1.35;cursor:pointer}
.toc a:hover,.toc a.on{color:var(--blue)}
.more-in{margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.more-in h2{margin:0 0 14px;font-size:1.1rem}
.more-in .mgrid{display:grid;gap:14px}
@media(min-width:600px){.more-in .mgrid{grid-template-columns:1fr 1fr}}
.more-in .card h3{font-size:.98rem;margin:0}

/* ---------- archive / hub with filter chips ---------- */
.catfilter{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 22px}
.catfilter button{font:inherit;font-size:.88rem;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--muted);cursor:pointer;transition:.15s}
.catfilter button:hover{border-color:var(--cyan)}
.catfilter button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.card.hide,article.hide{display:none}

/* bản tin item */
.bulletin{border-bottom:1px solid var(--line);padding:22px 0;max-width:74ch}
.bulletin:last-child{border-bottom:none}
.bulletin h2{font-size:1.3rem;margin:.1em 0 .3em}
.bulletin h2 a{text-decoration:none;color:var(--ink)}
.bulletin h2 a:hover{color:var(--blue)}

/* ---------- author blocks ---------- */
.author{margin:0 0 1em}
.author::after{content:"";display:table;clear:both}
.author-photo{width:240px;height:auto;border-radius:14px;box-shadow:var(--sh);float:left;margin:6px 28px 14px 0}
.author > div > p:first-child{margin-top:0}
@media(max-width:560px){.author-photo{width:200px;float:none;display:block;margin:0 0 14px}}
.about-photo{width:112px;height:auto;border-radius:12px;box-shadow:var(--sh);float:left;margin:4px 20px 8px 0}
.about-home{max-width:none}
.about-home::after{content:"";display:block;clear:both}
.about-home .about-photo{width:200px;margin:6px 30px 14px 0}
.about-home p{max-width:none;text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto}
@media(max-width:560px){.about-home .about-photo{width:130px;margin:4px 16px 8px 0}}

/* ---------- contact ---------- */
.contact-card{margin-top:30px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);padding:20px 24px}
.contact-card > *:first-child{margin-top:0}
.contact-card h2,.contact-card h3{font-size:1.05rem;margin:0 0 14px}
.contact-card dl{display:grid;grid-template-columns:130px 1fr;gap:12px 16px;margin:0}
.contact-card dt{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.contact-card dd{margin:0}
.contact-card dd a{word-break:break-word}
.contact-card .soc{margin-top:4px}
@media(max-width:520px){.contact-card{padding:18px}.contact-card dl{grid-template-columns:1fr;gap:3px 0}.contact-card dt{padding-top:10px}}
/* backward-compat: old .contact-info blocks */
.contact-info{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.contact-info p{margin:.4em 0}

/* ---------- glossary (TablePress + DataTables 2.x) ---------- */
.dt-container{margin:18px 0;color:var(--ink)}
.dt-container .dt-layout-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:0 0 14px}
.dt-container .dt-layout-row:last-child{margin:14px 0 0}
.dt-container .dt-layout-cell{flex:1 1 auto}
.dt-container .dt-layout-cell.dt-layout-end{text-align:right}
.dt-length,.dt-search{font-size:.9rem;color:var(--muted)}
.dt-length label,.dt-search label{display:inline-flex;align-items:center;gap:8px}
.dt-length select,.dt-search input{
  font:inherit;font-size:.92rem;padding:8px 12px;border:1px solid var(--line);border-radius:9px;
  background:var(--card);color:var(--ink);max-width:100%}
.dt-search input{min-width:220px}
.dt-info{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted)}
.dt-paging{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end}
.dt-paging .dt-paging-button{
  padding:6px 11px;border:1px solid var(--line);border-radius:8px;
  color:var(--ink);background:var(--card);font-size:.85rem;text-decoration:none;cursor:pointer;min-width:0}
.dt-paging .dt-paging-button:hover{border-color:var(--cyan);color:var(--blue)}
.dt-paging .dt-paging-button.current,
.dt-paging .dt-paging-button.current:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.dt-paging .dt-paging-button.disabled{opacity:.35;cursor:default}

/* the table itself — ép rộng bằng khung trang (DataTables tự đặt max-width hẹp) */
.dt-container,
.dt-container .dt-layout-row,
.dt-container .dt-layout-row.dt-layout-table,
.dt-container .dt-layout-cell,
.dt-container .dt-layout-table{width:100%!important;max-width:none!important}
.dt-container table.tablepress,
table.tablepress{
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);background:var(--card);
  border-collapse:separate;border-spacing:0;font-size:14px;width:100%!important;max-width:none!important;margin:0}
/* TablePress mặc định gán nền trắng + chữ #111 cho ô — ghi đè hết để hợp nền tối */
table.tablepress thead th,
table.tablepress tbody td,
table.tablepress tbody tr td,
table.tablepress tbody tr:nth-child(odd) td,
table.tablepress tbody tr:nth-child(even) td{background-color:transparent!important}
table.tablepress thead th{
  background-color:var(--bg)!important;color:var(--muted)!important;font-family:"IBM Plex Sans",sans-serif;
  font-size:11px;letter-spacing:.03em;text-transform:uppercase;font-weight:600;
  padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:bottom;text-align:left}
table.tablepress tbody td{padding:10px 13px;border-top:1px solid var(--line);vertical-align:top;line-height:1.5}
table.tablepress tbody tr:first-child td{border-top:none}
table.tablepress tbody tr:hover td{background-color:var(--cyan-soft)!important}
/* màu chữ mọi ô */
table.tablepress tbody td,
table.tablepress td.column-1,
table.tablepress td.column-2,
table.tablepress td.column-3{color:var(--ink)!important}
table.tablepress td.column-4,
table.tablepress td.column-5{color:var(--muted)!important}
table.tablepress td.column-1{font-weight:600}
table.tablepress td.column-2{font-family:"IBM Plex Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}
table.tablepress td.column-5{font-family:"IBM Plex Mono",monospace;font-size:11.5px;white-space:nowrap}
table.tablepress thead th.dt-orderable-asc,table.tablepress thead th.dt-orderable-desc{cursor:pointer}
table.tablepress thead th.dt-ordering-asc span.dt-column-order::before{content:"▲";font-size:.7em;color:var(--cyan)}
table.tablepress thead th.dt-ordering-desc span.dt-column-order::before{content:"▼";font-size:.7em;color:var(--cyan)}
/* let a wide glossary scroll inside its own box on small screens */
.dt-container{overflow-x:auto}
@media(max-width:640px){
  .dt-container .dt-layout-row{flex-direction:column;align-items:stretch}
  .dt-container .dt-layout-cell.dt-layout-end{text-align:left}
  .dt-paging{justify-content:flex-start}
  .dt-search input{width:100%;min-width:0}
  table.tablepress{min-width:640px}
}

/* ---------- forms (fallback markup) ---------- */
.frm{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;max-width:560px;box-shadow:var(--sh)}
.frm label{display:block;font-family:"IBM Plex Sans",sans-serif;font-weight:600;font-size:.86rem;margin:14px 0 5px}
.frm input,.frm select,.frm textarea{width:100%;font:inherit;font-size:.95rem;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink)}
.frm textarea{min-height:110px;resize:vertical}

/* ---------- SureForms — khớp giao diện Tplus ---------- */
.srfm-form-container,
.srfm-form{
  --srfm-bg-color:transparent;
  --srfm-color-scheme-primary:var(--blue);
  --srfm-color-scheme-text-on-primary:#fff;
  --srfm-btn-bg-color:var(--blue);
  --srfm-btn-text-color:#fff;
  --srfm-btn-border-color:var(--blue);
  --srfm-input-border-color:var(--line);
  --srfm-input-bg-color:var(--bg);
  --srfm-color-input-background:var(--bg);
  --srfm-input-text-color:var(--ink);
  --srfm-color-input-text:var(--ink);
  --srfm-color-input-label:var(--ink);
  --srfm-color-input-placeholder:var(--muted);
  --srfm-color-input-border:var(--line);
  --srfm-color-input-border-focus:var(--cyan);
}
.srfm-form-container.srfm-bg-color,
.srfm-form-container,
.srfm-single-form .srfm-form-container{background:transparent!important;max-width:none!important;width:100%!important}
.srfm-form{
  max-width:none!important;width:100%!important;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:22px 22px 24px;box-shadow:var(--sh);
}
.srfm-form .srfm-block-wrap,
.srfm-form .srfm-block{margin:0 0 16px}
.srfm-form .srfm-block-label,
.srfm-form label{
  display:block;font-family:"IBM Plex Sans",sans-serif;font-weight:600;
  font-size:.86rem;color:var(--ink);margin:0 0 5px;line-height:1.3;
}
.srfm-form .srfm-required{color:var(--warn);margin-left:2px}
.srfm-form .srfm-input-common,
.srfm-form input[type=text],.srfm-form input[type=email],
.srfm-form input[type=tel],.srfm-form input[type=url],
.srfm-form input[type=number],.srfm-form select,.srfm-form textarea{
  width:100%;font:inherit;font-size:.95rem;line-height:1.5;
  padding:10px 12px;border:1px solid var(--line)!important;border-radius:9px!important;
  background:var(--bg)!important;color:var(--ink)!important;box-shadow:none!important;transition:border-color .12s ease;
}
.srfm-form textarea,.srfm-form .srfm-input-textarea{min-height:120px;resize:vertical}
.srfm-form .srfm-input-common:focus,
.srfm-form input:focus,.srfm-form select:focus,.srfm-form textarea:focus{
  border-color:var(--cyan);outline:2px solid color-mix(in srgb,var(--cyan) 40%,transparent);outline-offset:1px;
}
.srfm-form .srfm-input-common::placeholder{color:var(--muted)}
.srfm-form .srfm-description,.srfm-form .srfm-helper-txt{font-size:.82rem;color:var(--muted);margin-top:4px}
.srfm-form .srfm-error-message,.srfm-form .srfm-error{color:#c0392b;font-size:.82rem;margin-top:4px}
.srfm-form .srfm-input-common.srfm-input-error,
.srfm-form input.srfm-input-error,.srfm-form textarea.srfm-input-error{border-color:#c0392b}
/* submit button = giống .btn.pri */
.srfm-form .wp-block-button,
.srfm-form .srfm-submit-container{margin:6px 0 0}
.srfm-form .srfm-button,
.srfm-form button[type=submit],
.srfm-form .srfm-submit-button{
  display:inline-flex;align-items:center;gap:7px;
  font-family:"IBM Plex Sans",sans-serif;font-weight:600;font-size:.92rem;
  background:var(--blue)!important;color:#fff!important;border:1.5px solid var(--blue)!important;
  border-radius:9px!important;padding:10px 18px!important;cursor:pointer;width:auto;box-shadow:none!important;transition:background .12s ease;
}
.srfm-form .srfm-button:hover,
.srfm-form button[type=submit]:hover,
.srfm-form .srfm-submit-button:hover{background:var(--blue-ink);border-color:var(--blue-ink);color:#fff}
.srfm-form .srfm-submit-loader{filter:brightness(3)}
/* thông báo gửi thành công */
.srfm-single-form .srfm-success-box,
.srfm-form .srfm-success-box,.srfm-success-box{
  background:var(--ok-bg);border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);
  border-radius:12px;padding:16px 18px;color:var(--ink)
}

/* ---------- pagination ---------- */
.pagination{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 0}
.pagination .page-numbers{padding:8px 13px;border:1px solid var(--line);border-radius:9px;text-decoration:none;color:var(--ink);font-size:.9rem}
.pagination .page-numbers.current{background:var(--blue);border-color:var(--blue);color:#fff}

/* ---------- comments ---------- */
.comments-area{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.comments-area .comment-list{list-style:none;padding:0}
.comments-area .comment-body{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.comments-area .comment-author .fn{font-weight:600}
.comments-area .comment-meta{font-size:.8rem;color:var(--muted)}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{
  width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--ink)}
.comment-form textarea{min-height:110px}
.comment-notes,.comment-form-cookies-consent{font-size:.85rem;color:var(--muted)}

/* ---------- footer ---------- */
footer.site{background:var(--card);border-top:1px solid var(--line);margin-top:40px}
footer.site .fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px 24px;padding:36px 0 22px;align-items:start}
@media(max-width:720px){footer.site .fcols{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:460px){footer.site .fcols{grid-template-columns:1fr}}
.fcol{min-width:0}
footer .fcol > svg{display:block;width:74px;height:auto;color:var(--blue);margin:0 0 12px}
footer .fcol > p{margin:0}
footer .fcol h4{margin:.2em 0 .6em;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
footer .fcol ul{list-style:none;margin:0;padding:0}
footer .fcol a{display:block;color:var(--ink);text-decoration:none;font-size:.92rem;padding:3px 0}
footer .fcol a:hover{color:var(--blue)}
footer .disc{border-top:1px solid var(--line);padding:16px 0 34px;font-size:.84rem;color:var(--muted)}
footer .disc .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.soc{display:flex;gap:10px;margin-top:10px}
.soc a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none;
  transition:transform .12s ease, background .12s ease, color .12s ease, border-color .12s ease}
.soc a svg{display:block}
.soc a:hover{transform:translateY(-2px);background:var(--blue);color:#fff;border-color:var(--blue)}

/* ẩn widget nổi "Hỏi AI" (Kodee) do plugin Hostinger chèn — tránh đè lên nút liên hệ */
.kodee-fab,#kodee-widget-root,.hostinger-ai-widget{display:none!important}

/* ---------- nút liên hệ nổi (floating) ----------
   1 nút tròn cố định; bấm (hoặc rê chuột ở desktop) mới bung danh sách kênh.
   Gộp lại như vậy để không đè lên nội dung / chân trang. */
.tplus-fab{position:fixed;right:18px;bottom:18px;bottom:max(18px,env(safe-area-inset-bottom));z-index:9990;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.tplus-fab-list{display:none;flex-direction:column;gap:10px;margin:0}
.tplus-fab.open .tplus-fab-list{display:flex}
@media(hover:hover) and (min-width:641px){
  .tplus-fab:hover .tplus-fab-list,
  .tplus-fab:focus-within .tplus-fab-list{display:flex}
}

/* nút chính */
.tplus-fab-toggle{
  width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;padding:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;box-shadow:0 8px 22px -6px rgba(20,40,70,.55);
  transition:background .12s ease, transform .12s ease}
.tplus-fab-toggle:hover{background:var(--blue-ink);transform:translateY(-2px)}
.tplus-fab-toggle svg{display:block}
.tplus-fab-close{display:none}
.tplus-fab.open .tplus-fab-toggle{background:var(--blue-ink)}
.tplus-fab.open .tplus-fab-ico{display:none}
.tplus-fab.open .tplus-fab-close{display:block}

/* các kênh khi bung ra */
.tplus-fab-btn{
  position:relative;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);color:var(--blue);
  box-shadow:0 6px 16px -4px rgba(20,40,70,.4);
  text-decoration:none;font-family:"IBM Plex Sans",sans-serif;font-weight:700;font-size:1rem;
  transition:transform .12s ease, background .12s ease, color .12s ease}
.tplus-fab-btn svg{display:block}
.tplus-fab-btn:hover{transform:translateY(-2px);background:var(--blue);color:#fff;border-color:var(--blue)}
.tplus-fab-btn::after{
  content:attr(data-label);position:absolute;right:54px;white-space:nowrap;
  background:var(--ink);color:#fff;font-size:.78rem;font-weight:500;padding:4px 9px;border-radius:7px;
  opacity:0;transform:translateX(6px);pointer-events:none;transition:.12s}
.tplus-fab-btn:hover::after{opacity:1;transform:translateX(0)}
.tplus-fab-zalo{color:#0068ff}
@media(max-width:640px){
  .tplus-fab{right:14px;bottom:14px;bottom:max(14px,env(safe-area-inset-bottom));gap:10px}
  .tplus-fab-btn::after{display:none}
}
@media(prefers-reduced-motion:reduce){.tplus-fab-btn,.tplus-fab-toggle{transition:none}}

/* ---------- utilities ---------- */
.center{text-align:center}
.center .lede,.center p{margin-left:auto;margin-right:auto}
hr.d,.wp-block-separator{border:none;border-top:1px solid var(--line);margin:30px 0}
.muted{color:var(--muted)}
.mono{font-family:"IBM Plex Mono",monospace;font-size:.85em}
.alignwide{max-width:min(100%,1200px);margin-left:auto;margin-right:auto}
.alignfull{max-width:none}
.wp-block-image img{border-radius:12px}
figcaption{font-size:.84rem;color:var(--muted);text-align:center;margin-top:6px}
blockquote{border-left:3px solid var(--cyan);margin:1.4em 0;padding:2px 0 2px 18px;color:var(--muted)}