/* 24and24 — công cụ ngày tháng: nền kem, Plus Jakarta Sans (đủ dấu tiếng Việt), đỏ gạch + mint. */
:root{
	--bg:#fbf3e3;--surface:#fff;--ink:#192a4d;--muted:#555f74;--faint:#747d90;--line:#ece0c6;--soft:#f6ecd8;
	--a1:#0e7490;--a2:#0891b2;
	--brand:#c1401e;--brand-ink:#8a2a13;--mint:#dceee1;--mint-ink:#1f5d43;--navy:#192a4d;
	--shadow:0 1px 2px rgba(25,42,77,.06),0 8px 24px -12px rgba(25,42,77,.14);--shadow-up:0 2px 4px rgba(25,42,77,.07),0 16px 32px -14px rgba(25,42,77,.24);
	--font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
	--r:20px;--wrap:1120px;--read:68ch;--hh:64px;--bn-h:64px;
}
@media(prefers-color-scheme:dark){
	:root{--bg:#0b0d14;--surface:#141824;--ink:#f1f5f9;--muted:#cbd5e1;--faint:#94a3b8;--line:#232a3b;--soft:#1a2030;--a1:#2dd4bf;--a2:#5eead4;--brand:#f0695a;--brand-ink:#f0695a;--mint:#163226;--mint-ink:#6ee7b7;--navy:#0e1626;--shadow:0 1px 2px rgba(0,0,0,.4);--shadow-up:0 12px 28px -12px rgba(0,0,0,.7)}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,video,iframe{max-width:100%;height:auto}
a{color:var(--a1);text-underline-offset:3px}
a:hover{color:var(--a2)}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 55%,transparent);outline-offset:2px;border-radius:8px}
::selection{background:color-mix(in srgb,var(--brand) 20%,transparent)}
h1,h2,h3,h4{font-family:var(--font);line-height:1.25;margin:0;font-weight:800;text-wrap:balance;letter-spacing:-.015em}
p{margin:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:12px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.muted{color:var(--faint);margin-top:8px}

.eyebrow{font:700 13px/1 var(--font);letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}

.label{display:inline-flex;align-items:center;gap:7px;align-self:flex-start;font:600 12.5px/1 var(--font);color:var(--muted)}
.label::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c,var(--faint))}
.t-thuong-hieu{--c:#db2777}.t-khoi-nghiep{--c:#059669}.t-kinh-doanh{--c:#d97706}.t-marketing{--c:#7c3aed}
.t-ten-mien{--c:#0284c7}.t-google{--c:#ea580c}.t-facebook{--c:#2563eb}.t-kham-pha{--c:#0d9488}
@media(prefers-color-scheme:dark){.t-thuong-hieu{--c:#f472b6}.t-khoi-nghiep{--c:#34d399}.t-kinh-doanh{--c:#fbbf24}.t-marketing{--c:#a78bfa}.t-ten-mien{--c:#38bdf8}.t-google{--c:#fb923c}.t-facebook{--c:#60a5fa}.t-kham-pha{--c:#2dd4bf}}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.site-header__in{max-width:var(--wrap);margin:0 auto;min-height:var(--hh);padding:0 24px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand__mark{display:grid;place-items:center;width:36px;height:36px;background:var(--brand);color:#fff;border-radius:10px}
.site-footer .brand__mark{background:var(--brand);color:#fff}
.brand__name{font:800 19px/1 var(--font);letter-spacing:-.03em}
.nav{display:flex;align-items:center;gap:14px}
.nav__list{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.nav__list a{display:block;padding:9px 14px;color:var(--muted);text-decoration:none;font:600 14px/1.2 var(--font);border-radius:999px;transition:background-color .15s,color .15s}
.nav__list a:hover{background:var(--soft);color:var(--ink)}
.nav__list a[aria-current]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--brand);border-radius:0}
.nav__tag{font:600 12.5px/1 var(--font);color:var(--faint);font-style:italic;padding-left:14px;border-left:1px solid var(--line);white-space:nowrap}
.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;border:0;background:none;color:var(--ink);border-radius:50%;cursor:pointer;transition:background-color .15s}
.icon-btn:hover{background:var(--soft);color:var(--ink)}
.nav-toggle{display:none}

/* Buttons */
.btn{display:inline-block;background:var(--ink);color:var(--bg);border:0;padding:0 26px;height:48px;border-radius:999px;font:700 15px/48px var(--font);text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{color:var(--bg);background:var(--brand);transform:translateY(-1px)}
.btn--ghost{background:var(--soft);color:var(--ink)}

/* Masthead (khung tạp chí dự phòng) */
.masthead{border-bottom:1px solid var(--line)}
.masthead__in{padding-top:72px;padding-bottom:56px}
.masthead__title{font-size:clamp(40px,7.4vw,84px);line-height:1.08;letter-spacing:-.03em;margin-top:22px;max-width:14ch}
.masthead__title mark{background:none;color:var(--brand);padding:0}
.masthead__lead{font-size:18px;color:var(--muted);margin-top:20px;max-width:52ch}
.search{position:relative;display:flex;gap:8px;margin-top:30px;max-width:580px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow)}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 14%,transparent)}
.search input{flex:1;min-width:0;height:44px;padding:0 18px;border:0;background:none;color:var(--ink);font:500 16px var(--font);outline:0}
.search input::placeholder{color:var(--faint)}
.search .btn{height:44px;line-height:44px;padding:0 24px}
.topics{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.topics a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;background:var(--soft);color:var(--ink);text-decoration:none;font:600 14px/1 var(--font);border:1px solid transparent;transition:border-color .15s,background-color .15s}
.topics a::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c,var(--faint))}
.topics a:hover{border-color:var(--ink);color:var(--ink)}
.topics span{color:var(--faint);font-weight:600;font-size:13px}

/* Trang chủ — hero công cụ */
.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--soft),var(--bg) 85%)}
.hero__in{padding:44px 0 32px;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:40px;align-items:center}
.hero__eyebrow{font:700 13px/1 var(--font);letter-spacing:.08em;text-transform:uppercase;color:var(--brand-ink);display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.hero__eyebrow::before{content:"";width:22px;height:2px;background:var(--brand)}
.hero__title{font-size:clamp(30px,4.2vw,42px);line-height:1.18;letter-spacing:-.02em;max-width:18ch}
.hero__cal{position:relative;justify-self:end;width:100%;max-width:184px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-up);overflow:hidden}
.hero__cal::before,.hero__cal::after{content:"";position:absolute;top:-6px;width:12px;height:12px;border-radius:50%;background:var(--line);border:3px solid var(--bg)}
.hero__cal::before{left:24px}
.hero__cal::after{right:24px}
.hero__cal-top{background:var(--brand);color:#fff;text-align:center;padding:12px 8px 4px;font:700 12px/1.2 var(--font);letter-spacing:.04em;text-transform:uppercase}
.hero__cal-n{display:block;font:800 42px/1 var(--font);margin:4px 0}
.hero__cal-sub{display:block;background:var(--surface);color:var(--muted);text-align:center;font:600 12px/1 var(--font);padding:9px 8px 11px}
.hero__content{margin-top:0}

/* Băng đếm ngược Tết */
.tet{margin:40px 0;border-radius:var(--r);background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;padding:22px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;text-decoration:none;box-shadow:var(--shadow-up)}
.tet:hover{color:#fff;filter:brightness(1.05)}
.tet__main{display:flex;flex-direction:column;gap:6px}
.tet__big{font:800 clamp(20px,3vw,27px)/1.15 var(--font)}
.tet__big b{font-size:1.3em}
.tet__sub{display:inline-flex;align-items:center;gap:6px;font:600 13px/1.4 var(--font);opacity:.88}
.tet__line{display:flex;gap:18px;padding:0 20px;border-left:1px solid rgba(255,255,255,.3);border-right:1px solid rgba(255,255,255,.3)}
.tet__point{display:flex;flex-direction:column;gap:2px;font:600 11.5px/1.3 var(--font);opacity:.85;white-space:nowrap}
.tet__point b{font-size:12.5px;opacity:1}
.tet__cta{flex:none;display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);padding:0 18px;height:44px;border-radius:999px;font:700 14px/1 var(--font)}

/* Lưới công cụ 02-05 */
.tools5{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:20px}
.tool5{display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:16px;border:1px solid var(--line);background:var(--tc-bg,var(--soft));text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s}
.tool5:hover{transform:translateY(-3px);box-shadow:var(--shadow-up);color:var(--ink)}
.tool5__n{font:800 12px/1 var(--font);color:var(--tc-fg,var(--muted));letter-spacing:.03em}
.tool5__icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--surface);color:var(--tc-fg,var(--ink))}
.tool5__t{font:700 15.5px/1.3 var(--font)}
.tool5--1{--tc-bg:#fde8e3;--tc-fg:#9a3a26}
.tool5--2{--tc-bg:#fdecf1;--tc-fg:#a6275a}
.tool5--3{--tc-bg:#fef6dc;--tc-fg:#8a6412}
.tool5--4{--tc-bg:#e3f1e6;--tc-fg:#1f5d46}

/* Khối tin cậy */
.trust{margin-top:56px;background:var(--navy);color:#e7ebf4;border-radius:var(--r);padding:36px 32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:28px}
.trust__title{font-size:clamp(22px,2.6vw,28px);line-height:1.25;color:#fff;max-width:14ch}
.trust__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.trust__list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#cbd3e6}
.trust__list b{color:#fff;display:block;font-size:15px;margin-bottom:2px}
.trust__ico{flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:rgba(255,255,255,.1);color:#fff}

/* Góc hướng dẫn */
.guide{margin-top:56px}
.guide__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}
.guide__card{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:16px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.guide__card:hover{color:var(--ink);box-shadow:var(--shadow-up);transform:translateY(-2px)}
.guide__k{font:700 12px/1 var(--font);color:var(--a1);text-transform:uppercase;letter-spacing:.04em}
.guide__t{font:700 16.5px/1.35 var(--font)}

/* Sections (dùng chung) */
.section{padding-top:64px}
.section__head{display:flex;align-items:center;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;margin-bottom:20px}
.section__head h2{font-size:clamp(24px,3vw,30px)}
.more{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 4px;font:600 14px/1 var(--font);color:var(--a1);text-decoration:none}
.more:hover{color:var(--a2);gap:9px}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{position:relative;display:flex;gap:14px;justify-content:space-between;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-up);border-color:color-mix(in srgb,var(--brand) 26%,var(--line))}
.card__body{display:flex;flex-direction:column;gap:10px;min-width:0;flex:1}
.card__title{font-size:18px;line-height:1.35;letter-spacing:-.015em;font-weight:700}
.card__title a{color:var(--ink);text-decoration:none;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__title a::after{content:"";position:absolute;inset:0;border-radius:var(--r)}
.card:hover .card__title a{color:var(--brand-ink)}
.card__excerpt{color:var(--muted);font-size:14.5px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{margin-top:auto;font:500 12.5px/1.4 var(--font);color:var(--faint)}
.card__media{flex:0 0 84px;align-self:flex-start;aspect-ratio:1;overflow:hidden;border-radius:14px;background:var(--soft);position:relative;z-index:1}
.card__media img{width:100%;height:100%;object-fit:cover;display:block}
.front{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;align-items:stretch}
.front__side{display:flex;flex-direction:column;gap:14px}
.card--lead{flex-direction:column-reverse;justify-content:flex-end;padding:28px}
.card--lead .card__title{font-size:clamp(24px,3vw,34px);line-height:1.15;letter-spacing:-.03em;font-weight:800}
.card--lead .card__title a{-webkit-line-clamp:5}
.card--lead .card__excerpt{font-size:16px;-webkit-line-clamp:5}
.card--lead .card__media{flex:none;width:100%;aspect-ratio:16/9;align-self:stretch;border-radius:16px}
.card--lead:not(.card--img){justify-content:flex-end;min-height:280px}
.empty{padding:48px 0;color:var(--muted)}

/* Page head */
.page-head{padding:48px 0 4px}
.page-head__title{font-size:clamp(32px,5vw,54px);letter-spacing:-.025em;max-width:22ch;line-height:1.12}
.page-head__sub{color:var(--muted);margin-top:14px;max-width:var(--read)}
.count{font-weight:700;color:var(--ink)}
.crumbs{font:500 13px/1.4 var(--font);color:var(--faint);margin-bottom:16px}
.crumbs a{color:var(--faint);text-decoration:none}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-hidden]{margin:0 6px}
.notfound{padding-top:64px}
.notfound .search{margin-bottom:20px}

/* Pagination */
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;padding:40px 0 8px}
.pager .page-numbers{min-width:44px;height:44px;display:grid;place-items:center;padding:0 14px;border-radius:999px;background:var(--soft);color:var(--muted);text-decoration:none;font:600 14px/1 var(--font);transition:background-color .15s}
.pager a.page-numbers:hover{background:color-mix(in srgb,var(--brand) 12%,var(--soft));color:var(--ink)}
.pager .current{background:var(--ink);color:var(--bg)}
.pager .dots{background:none}

/* Entry */
.entry{max-width:calc(var(--read) + 48px);margin:0 auto;padding:56px 24px 8px}
.entry__head .label{margin-bottom:18px;text-decoration:none;color:var(--muted)}
.entry__head .label:hover{color:var(--brand)}
.entry__title{font-size:clamp(28px,4.2vw,40px);line-height:1.18;letter-spacing:-.025em}
.entry__meta{font:500 13.5px/1.4 var(--font);color:var(--faint);margin-top:14px}
.prose{font-size:17px;line-height:1.85;margin-top:32px;overflow-wrap:break-word;word-break:normal}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:24px;margin-top:2em;}
.prose h3{font-size:19px;margin-top:1.6em}
.prose h4{font-size:17px;margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.4em}
.prose blockquote{margin-left:0;padding:12px 18px;border-left:4px solid var(--brand);background:var(--soft);border-radius:0 12px 12px 0;color:var(--muted)}
.prose img{border-radius:14px;height:auto;max-width:100%;display:block;margin-left:auto;margin-right:auto}
.prose figure,.prose .wp-caption,.prose .separator,.prose .tr-caption-container{margin-left:auto;margin-right:auto;max-width:100%;width:auto!important;text-align:center}
.prose figure.alignleft,.prose figure.alignright{margin-left:0;margin-right:0}
.prose .separator a{margin-left:0!important;margin-right:0!important;float:none!important}
.prose figcaption,.prose .wp-caption-text,.prose .tr-caption{font-size:13.5px;color:var(--faint);margin-top:8px;text-align:center}
.prose table{width:100%;border-collapse:collapse;font-size:16px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--soft)}
.prose pre{overflow-x:auto;background:var(--soft);padding:14px;border-radius:var(--r);font-size:14.5px}
.prose iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:var(--r)}
.prose .alignleft,.prose .alignright,.prose .aligncenter{float:none;display:block;margin-left:auto;margin-right:auto}
.prose [style*="width"]{max-width:100%}
.prose a[style*="margin"]{margin-left:0!important;margin-right:0!important}
.prose img{height:auto!important}
.prose a{font-weight:500;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose figcaption,.prose .wp-element-caption{display:block!important}
.prose strong{font-weight:700}
.page-links{margin-top:20px;font-size:15px}

/* Bình luận / form "Gửi kết quả, góp ý sửa" — ăn CSS theme, không để input/nút mặc định trình duyệt */
.comments{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.comments__title{font-size:20px}
.comments__list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.comments__list .comment-body{background:var(--soft);border-radius:14px;padding:16px 18px;font-size:15px}
.comments__list .comment-metadata,.comments__list .fn{font:600 13px/1.4 var(--font);color:var(--faint);font-style:normal}
.comments__note{font-size:13.5px;color:var(--faint);margin:16px 0 0}
.comment-respond{margin-top:24px}
#reply-title{font-size:19px}
.comment-form p{margin-top:14px}
.comment-form label{display:block;font:600 14px/1.3 var(--font);color:var(--ink);margin-bottom:6px}
.comment-form input[type="text"],.comment-form input[type="email"],.comment-form input[type="url"],.comment-form textarea{width:100%;font:16px/1.5 var(--font);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 14px;box-sizing:border-box}
.comment-form input:focus,.comment-form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 14%,transparent)}
.comment-form textarea{min-height:120px;resize:vertical}
.comment-form .form-submit{margin-top:18px}
.comment-form input#submit{display:inline-block;background:var(--ink);color:var(--bg);border:0;padding:0 26px;height:46px;border-radius:999px;font:700 15px/46px var(--font);cursor:pointer;transition:background-color .15s,transform .15s}
.comment-form input#submit:hover{background:var(--brand);transform:translateY(-1px)}
.logged-in-as{font-size:14px;color:var(--muted)}
.logged-in-as a{color:var(--a1)}
/* Khối "Bài liên quan" do mu-plugin hub-related chèn vào nội dung: giữ markup, đè style cho đồng bộ. */
.prose .hubrel{margin:56px 0 0;padding-top:26px;border-top:1px solid var(--line);font-size:16px}
.prose .hubrel__h{font:700 15px/1.3 var(--font);color:var(--faint);margin:0 0 6px;letter-spacing:0}
.prose .hubrel__list{display:block;margin:0;padding:0;list-style:none}
.prose .hubrel__item{display:block;flex:none;margin:0}
.prose .hubrel__item+.hubrel__item{margin-top:0}
.prose .hubrel__link{display:block;padding:14px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink);font:600 16.5px/1.4 var(--font);text-decoration:none;transition:color .15s,padding-left .15s}
.prose .hubrel__link:hover,.prose .hubrel__link:focus{color:var(--brand);padding-left:6px;border-color:var(--line);background:none}

/* Khối công cụ chèn trong nội dung (tg/cdtool/xmas-cd…): chỉ đè trình bày (màu/khung), không đổi chữ/HTML bên trong */
.prose .tg,.prose .cdtool,.prose .xmas-cd{border-radius:16px;box-shadow:var(--shadow);background:var(--surface);border-color:var(--line);border-left-color:var(--brand)}
/* Bug có sẵn trong nội dung gốc: thuộc tính [hidden] trên .tg-grid bị CSS display:grid của chính nó đè mất — ép hiện đúng 1 tab. */
.prose .tg-grid[hidden]{display:none!important}
/* Bố cục 2 cột như ảnh demo: form bên trái, kết quả to bên phải — chỉ sắp lại các khối có sẵn bằng CSS grid, không đổi HTML/chữ. */
.prose .tg{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);grid-template-areas:"tabs res" "grid res" "note res";gap:6px 28px;align-items:start;padding:24px 28px}
.prose .tg-tabs{grid-area:tabs}
.prose .tg-grid{grid-area:grid;align-content:start}
.prose .tg-note{grid-area:note;margin-top:10px}
.prose .tg-res{grid-area:res;align-self:stretch;display:flex;flex-direction:column;justify-content:center;border-radius:14px;padding:20px}
.prose .tg-tab{border-color:var(--brand);color:var(--brand-ink);background:var(--surface)}
.prose .tg-tab[aria-selected="true"]{background:var(--brand);color:#fff}
.prose .tg label,.prose .tg-chk{color:var(--ink)}
.prose .tg input,.prose .tg select{border-color:var(--line);color:var(--ink);accent-color:var(--brand)}
.prose .tg input:focus,.prose .tg select:focus{border-color:var(--brand)}
.prose .tg-res,.prose .cdtool-box,.prose .xmas-cd-box{background:var(--mint)}
.prose .tg-res p,.prose .dd-big{color:var(--mint-ink);font-size:30px;font-weight:800}
.prose .tg-res ol{font-size:13.5px}
.prose .tg td,.prose .tg th,.prose .cdtable th,.prose .cdtable td{border-color:var(--line)}
.prose .cdtable thead th{background:var(--soft);color:var(--ink)}
.prose .tg-note,.prose .cdtool-note,.prose .xmas-cd-note{color:var(--faint)}
.prose .cdtool-n,.prose .xmas-cd-n{color:var(--brand-ink)}
.prose .xmas-cd-sub{color:var(--mint-ink)}

/* Footer */
.site-footer{margin-top:96px;background:var(--soft);color:var(--muted);border-top:1px solid var(--line)}
.site-footer__in{max-width:var(--wrap);margin:0 auto;padding:44px 24px 24px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.8fr) minmax(0,.8fr);gap:32px}
.site-footer .brand__name{color:var(--ink);font-size:22px}
.site-footer__about p{margin-top:10px;font-size:15px;max-width:48ch}
.site-footer__nav ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:2px}
.site-footer__nav a{display:inline-block;padding:9px 0;color:var(--muted);text-decoration:none;font-size:14.5px;font-weight:500;min-height:44px;line-height:26px}
.site-footer__nav a:hover{color:var(--brand)}
.site-footer__copy{max-width:var(--wrap);margin:0 auto;padding:16px 24px 28px;border-top:1px solid var(--line);font:500 12.5px/1.4 var(--font);color:var(--faint)}

/* Số liệu: canh đều chữ số (ngày, đếm bài) */
time,.count,.milestones__days,.page-head__sub .count{font-variant-numeric:tabular-nums}

/* Layout 2 cột: nội dung + khung "Mốc sắp tới" bám khi cuộn (mọi loại trang) */
.layout{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.layout .wrap{max-width:none;padding:0;margin:0}
.layout__main{min-width:0}
.milestones{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.milestones__h{font-size:15px;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}
.milestones__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.milestones__list li+li{border-top:1px solid var(--line)}
.milestones__list a{display:flex;flex-direction:column;gap:3px;padding:11px 2px;text-decoration:none;color:var(--ink);border-radius:10px;transition:background-color .15s}
.milestones__list a:hover{background:var(--soft)}
.milestones__days{font:800 17px/1.2 var(--font);color:var(--brand-ink)}
.milestones__name{font:500 13.5px/1.3 var(--font);color:var(--muted)}
.milestones__name time{font-weight:600;color:var(--faint)}
@media(min-width:1024px){
	.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
	.layout__aside{position:sticky;top:calc(var(--hh) + 24px)}
}

/* Thanh điều hướng dưới (mobile) */
.bottom-nav{display:none}
@media(max-width:860px){
	body{padding-bottom:calc(var(--bn-h) + env(safe-area-inset-bottom))}
	.bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;height:var(--bn-h);padding-bottom:env(safe-area-inset-bottom);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(25,42,77,.3)}
	.bottom-nav__list{list-style:none;margin:0;padding:0 4px;display:grid;grid-template-columns:repeat(5,1fr);width:100%}
	.bottom-nav__item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:44px;color:var(--faint);text-decoration:none;font:600 11px/1 var(--font);border:0;background:none;font-family:var(--font)}
	.bottom-nav__item svg{width:21px;height:21px}
	.bottom-nav__item[aria-current],.bottom-nav__item.is-active{color:var(--brand-ink)}
	.bottom-nav__fab{position:relative;top:-16px;color:#fff}
	.bottom-nav__fab-ico{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--brand);box-shadow:0 8px 18px -6px rgba(193,64,30,.6)}
	.bottom-nav__fab-ico svg{width:22px;height:22px}
	.bottom-nav__fab span{color:var(--brand-ink);margin-top:1px}
}

/* Responsive */
@media(max-width:1000px){
	.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
	.front{grid-template-columns:minmax(0,1fr)}
	.site-footer__in{grid-template-columns:minmax(0,1fr)}
	.nav__list a{padding:9px 10px;font-size:13.5px}
	.nav__tag{display:none}
}
@media(max-width:860px){
	.site-header__in{padding:0 16px;gap:4px}
	.wrap,.entry{padding-left:16px;padding-right:16px}
	.nav-toggle{display:inline-grid}
	.js .nav{display:none;position:absolute;top:var(--hh);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 16px 14px;box-shadow:0 20px 30px -20px rgba(25,42,77,.25);flex-direction:column;align-items:stretch}
	.js .nav.is-open{display:flex}
	.nav__list{flex-direction:column;gap:2px}
	.nav__list a{padding:14px 14px;font-size:16px}
	.prose{font-size:17px}
	.site-footer__in,.site-footer__copy{padding-left:16px;padding-right:16px}
	.tet{flex-direction:column;align-items:flex-start}
	.tet__line{border-left:0;border-right:0;padding:0;gap:14px;flex-wrap:wrap}
}
@media(max-width:600px){
	.grid,.grid--2{grid-template-columns:minmax(0,1fr)}
	.hero__in{grid-template-columns:minmax(0,1fr);padding:32px 0 24px}
	.hero__cal{justify-self:start;max-width:132px}
	.tools5{grid-template-columns:repeat(2,minmax(0,1fr))}
	.trust{grid-template-columns:minmax(0,1fr);padding:26px 20px}
	.guide__grid{grid-template-columns:minmax(0,1fr)}
	.tet{padding:18px 20px}
	.masthead__in{padding-top:44px;padding-bottom:40px}
	.masthead__lead{font-size:16.5px}
	.topics{flex-wrap:nowrap;overflow-x:auto;margin-left:-16px;margin-right:-16px;padding:0 16px 4px;scrollbar-width:none}
	.topics::-webkit-scrollbar{display:none}
	.topics a{white-space:nowrap}
	.site-footer__nav ul{grid-template-columns:1fr}
	/* Hộp công cụ trong bài đã có nền riêng + khung .entry/.prose đã có lề 16px — bỏ lề/đệm ngang của hộp để item rộng hơn, không cộng dồn đệm. */
	.prose .tg,.prose .cdtool,.prose .xmas-cd{margin-left:0;margin-right:0;padding-left:12px!important;padding-right:12px!important;border-left-width:4px}
	.prose .tg{grid-template-columns:minmax(0,1fr);grid-template-areas:"tabs" "grid" "res" "note"}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}