/*
Theme Name: Tô Màu Online
Theme URI: https://tomauonline.com
Author: tomauonline
Description: Theme "Bé Tô Màu" cho website tô màu online dành cho trẻ em. Dùng kèm plugin "Tô Màu Online".
Version: 2.4.1
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: tomauonline
*/

:root{
  --pink:#e2358c; --pink-2:#f03a90; --pink-3:#ef3282; --pink-dark:#c71f72;
  --soft:#fde2f4; --softer:#fef3f9; --header:#fef1fa;
  --bg:#fdf7f9; --line:#f6d9e6; --ink:#3a2430; --ink-2:#5a3d4d; --muted:#795982;
  --font-display:"Baloo 2","Nunito",system-ui,sans-serif;
  --font-body:"Nunito",system-ui,sans-serif;
  --wrap:1200px; --radius:16px;
  --tm-ink:var(--ink); --tm-line:var(--line); --tm-bg:var(--bg);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.55}
img{max-width:100%;height:auto}
a{color:var(--pink);text-decoration:none}
a:hover{color:var(--pink-dark)}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;font-weight:800}
button{font:inherit}
.wrap{max-width:calc(var(--wrap) + 40px);margin:0 auto;padding:0 20px}
.ico{flex:none}
.skip{position:absolute;left:-999px;top:0;z-index:100}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;border-radius:8px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--pink);outline-offset:2px}
.notice-box{padding:16px;border:1px dashed var(--pink);border-radius:12px;background:#fff}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:999px;border:2px solid transparent;font-weight:800;font-size:15px;line-height:1;cursor:pointer;transition:transform .1s,box-shadow .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn--pink{background:var(--pink-2);color:#fff;box-shadow:0 6px 14px rgba(240,58,144,.3)}
.btn--pink:hover{background:var(--pink);color:#fff}
.btn--ghost{background:#fff;border-color:#f06cb3;color:var(--pink)}
.btn--ghost:hover{background:var(--softer)}
.icon-btn{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:var(--pink);cursor:pointer}
.icon-btn:hover{background:var(--soft)}
.icon-btn--soft{background:var(--soft)}
.icon-btn .count{position:absolute;top:-2px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--pink-2);color:#fff;font-size:10px;font-weight:800;line-height:18px;text-align:center;border:2px solid #fff}
.round-btn{display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:50%;background:var(--soft);color:var(--pink);cursor:pointer}
.round-btn:hover{background:var(--pink-2);color:#fff}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header);box-shadow:0 1px 0 var(--line)}
.site-header__inner{display:flex;align-items:center;gap:14px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:6px;flex:none;color:var(--ink);padding:3px 12px 3px 6px;border-radius:14px;background:var(--softer)}
.brand__logo{display:block;width:auto;height:64px;max-width:260px;object-fit:contain}
.brand--text{padding:6px 14px}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--pink)}
.brand__tag{font-size:11px;font-weight:600;color:var(--muted)}
.site-nav{flex:1;min-width:0}
.site-nav__head{display:none}
.site-nav .menu{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
.site-nav .menu > li{position:relative}
.site-nav .menu > li > a{display:block;padding:7px 10px;border-radius:999px;color:var(--ink);font-size:13.5px;font-weight:700;white-space:nowrap}
.site-nav .menu > li > a:hover{color:var(--pink)}
.site-nav .menu > .current-menu-item > a,.site-nav .menu > .current-menu-ancestor > a{background:var(--pink-2);color:#fff}
/* Mục đang active: giữ chữ trắng khi rê chuột (quy tắc hover ở trên mạnh hơn nên phải ghi rõ) */
.site-nav .menu > .current-menu-item > a:hover,.site-nav .menu > .current-menu-ancestor > a:hover,.site-nav .menu > .current-menu-item > a:focus-visible{background:var(--pink);color:#fff}
.site-nav .sub-menu{position:absolute;top:100%;left:0;z-index:5;display:none;min-width:200px;margin:6px 0 0;padding:8px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(226,53,140,.15)}
.site-nav .sub-menu::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
.site-nav li:hover > .sub-menu,.site-nav li:focus-within > .sub-menu{display:block}
.site-nav .sub-menu a{display:block;padding:7px 12px;border-radius:8px;color:var(--ink);font-weight:700;font-size:14px}
.site-nav .sub-menu a:hover{background:var(--softer);color:var(--pink)}
.site-search{position:relative;display:flex;align-items:center;flex:0 1 230px;min-width:160px}
.site-search input[type=search]{width:100%;height:40px;padding:0 46px 0 36px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:13px}
.site-search input::placeholder{color:#a58fa0}
.site-search__icon{position:absolute;left:13px;color:var(--pink);display:grid}
.site-search button{position:absolute;right:4px;display:grid;place-items:center;width:34px;height:32px;border:0;border-radius:999px;background:var(--pink-2);color:#fff;cursor:pointer}
.site-header__icons{display:flex;align-items:center;gap:6px;flex:none}
.nav-open,.search-open{display:none}
.search-mobile{padding-bottom:10px}
.search-mobile .site-search{flex:1 1 auto;max-width:none}
.nav-backdrop{position:fixed;inset:0;z-index:60;background:rgba(58,36,48,.45)}
html.nav-locked{overflow:hidden}

@media (max-width:1180px){
  .site-search--header{display:none}
  .search-open{display:inline-grid}
}
@media (max-width:1023px){
  .site-header__inner{gap:8px;min-height:58px}
  .brand__logo{height:50px;max-width:190px}
  .nav-open{display:inline-grid}
  .brand{margin:0 auto;background:none;padding:0}
  .site-nav{position:fixed;top:0;bottom:0;left:0;z-index:70;width:min(320px,86vw);padding:12px 14px calc(20px + env(safe-area-inset-bottom));background:#fff;overflow:auto;transform:translateX(-105%);transition:transform .25s ease;box-shadow:8px 0 30px rgba(58,36,48,.15)}
  .site-nav.is-open{transform:none}
  .site-nav__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
  .site-nav .menu{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav .menu > li > a{padding:12px 14px;border-radius:12px;font-size:16px}
  .site-nav .sub-menu{position:static;display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px;padding:0 0 0 10px;border:0;box-shadow:none;background:none}
  .site-nav .sub-menu::before{content:none}
  .site-nav .sub-menu a{padding:6px 12px;border-radius:999px;background:var(--softer);font-size:13px}
}
@media (prefers-reduced-motion:reduce){.site-nav{transition:none}}

/* ---------- Thanh điều hướng dưới (điện thoại) ---------- */
.tabbar{display:none}
@media (max-width:860px){
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
  .tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(4,1fr);padding:6px 0 calc(6px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(226,53,140,.08)}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0;color:var(--muted);font-size:11px;font-weight:700}
  .tabbar a.is-active{color:var(--pink)}
  .tomau.is-full ~ .tabbar,html.tomau-noscroll .tabbar{display:none}
}

/* ---------- Breadcrumb, chip ---------- */
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin:0;padding:0;list-style:none;font-size:13px;font-weight:700}
.crumbs li{display:inline-flex;align-items:center;gap:8px;color:var(--ink)}
.crumbs li+li::before{content:"›";color:#b9a2b2;font-weight:800}
.crumbs a{color:var(--ink-2);display:inline-flex}
.crumbs a:hover{color:var(--pink)}
.crumbs li:first-child a{color:var(--pink)}
/* Breadcrumb của Rank Math: <nav class="crumbs crumbs--rm"><p><a>…</a><span class="separator"> › </span>…<span class="last">…</span></p></nav> */
.crumbs--rm p{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;margin:0;font-size:13px;font-weight:700;color:var(--ink)}
.crumbs--rm a{color:var(--ink-2)}
.crumbs--rm a:hover{color:var(--pink)}
.crumbs--rm .separator{color:#b9a2b2;font-weight:800}
/* Mục "Trang chủ" hiện thành icon ngôi nhà (chữ vẫn còn cho trình đọc màn hình và schema) */
.crumbs--rm p > a:first-child{display:inline-block;width:16px;height:16px;font-size:0;background:var(--pink);-webkit-mask:var(--ico-home) center/contain no-repeat;mask:var(--ico-home) center/contain no-repeat;--ico-home:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M3 10.5 12 3l9 7.5V20a1 1 0 0 1-1 1h-5v-6H9v6H4a1 1 0 0 1-1-1Z'/%3E%3C/svg%3E")}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:13px;font-weight:700;white-space:nowrap}
.chip:hover{border-color:var(--pink);color:var(--pink)}
.chip.is-active{background:var(--pink-2);border-color:var(--pink-2);color:#fff}
.chip--static{background:var(--softer)}
.chip--static:hover{border-color:var(--line);color:var(--ink)}

/* ---------- Khối & tiêu đề mục ---------- */
.block{margin:0}
.block__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}
.block__head h2{display:flex;align-items:center;gap:8px;margin:0;font-size:20px;color:var(--pink)}
.block__head h2 img{width:auto;height:24px}
.more{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:800;white-space:nowrap}

/* ---------- Trang chủ ---------- */
.home-main{display:flex;flex-direction:column;gap:22px;padding-top:12px;padding-bottom:40px}
.hero{position:relative;display:grid;grid-template-columns:440px minmax(0,1fr);align-items:center;min-height:250px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,#fadcd4 0%,#fdd0ec 55%,#f7d8e8 100%)}
.hero::before{content:"";position:absolute;left:-30px;bottom:-20px;width:260px;height:110px;background:radial-gradient(ellipse 70px 30px at 70px 80px,#fff 98%,transparent),radial-gradient(ellipse 60px 34px at 150px 62px,#fff 98%,transparent),radial-gradient(ellipse 50px 24px at 210px 86px,#fff 98%,transparent);opacity:.75}
.hero__text{position:relative;z-index:1;padding:22px 6px 24px 40px}
/* Tiêu đề = Tên site (Cài đặt → Tổng quan), mỗi chữ một màu xoay vòng */
.hero__title{display:flex;flex-wrap:wrap;gap:0 .25em;margin:0 0 10px;font-size:48px;line-height:1.05;letter-spacing:-.3px}
.hero__title span:nth-child(6n+1){color:#ff4f9d}.hero__title span:nth-child(6n+2){color:#d14fcf}.hero__title span:nth-child(6n+3){color:#7b5cf5}
.hero__title span:nth-child(6n+4){color:#f7a13a}.hero__title span:nth-child(6n+5){color:#4fbf63}.hero__title span:nth-child(6n+6){color:#a35ae8}
.hero p{margin:0 0 16px;font-size:13px;font-weight:700;color:var(--ink-2)}
.hero__cta{display:flex;gap:10px;flex-wrap:wrap}
.hero__cta .btn{padding:0 18px}
.hero__art{display:block;width:100%;height:100%;max-height:260px;object-fit:contain;object-position:right center;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40px);mask-image:linear-gradient(90deg,transparent 0,#000 40px)}

.cats{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));gap:8px}
.cat{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:2px;padding:6px 4px 8px;border-radius:12px;background:var(--tile,#fff3fd);color:var(--ink);font-size:12px;font-weight:800;text-align:center;line-height:1.2;transition:transform .12s,box-shadow .15s}
.cat:hover{color:var(--pink);transform:translateY(-2px);box-shadow:0 6px 14px rgba(226,53,140,.14)}
.cat img{width:64px;height:48px;object-fit:contain}
.cat--more{justify-content:center;gap:8px;background:#eef0fb;color:var(--ink)}
.cat--more .ico{color:#7b6fd6}

.home__row{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:16px;align-items:stretch}
.home__row--wide{grid-template-columns:minmax(0,3fr) minmax(280px,1fr)} /* khối trái : khối phải = 3 : 1 */
.grid-8{grid-template-columns:repeat(4,minmax(0,1fr))} /* tranh nổi bật: 8 tranh = 4 cột × 2 hàng */
.promo{position:relative;display:flex;align-items:center;border-radius:var(--radius);overflow:hidden;background:linear-gradient(90deg,#fde4f9 0%,#fcd9f1 60%,#ffd1e3 100%)}
.promo__text{position:relative;z-index:1;flex:1;padding:20px 0 20px 20px}
.promo h2{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-size:22px;color:var(--pink)}
.promo__ico{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;color:var(--pink)}
.promo p{margin:0 0 14px;font-size:12.5px;font-weight:600;color:var(--ink-2)}
.promo__art{align-self:flex-end;width:44%;max-width:245px;margin-right:-4px}

.ages{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px} /* tự giãn khi ẩn bớt độ tuổi chưa có tranh */
.age{position:relative;display:flex;align-items:center;gap:6px;min-height:92px;padding:8px 26px 8px 6px;border-radius:14px;color:var(--ink);transition:transform .12s}
.age:hover{transform:translateY(-2px);color:var(--ink)}
.age img{width:60px;height:auto;flex:none}
.age__text{font-size:11.5px;font-weight:600;line-height:1.3;color:var(--ink-2)}
.age__text strong{display:block;font-family:var(--font-display);font-size:17px;white-space:nowrap;font-weight:800;line-height:1.2}
.age__go{position:absolute;right:8px;bottom:10px;display:grid;place-items:center;width:20px;height:20px;border-radius:50%;color:#fff}
.age--pink{background:#fde4ec}.age--pink strong{color:#ef3282}.age--pink .age__go{background:#ef3282}
.age--green{background:#e3f6dd}.age--green strong{color:#3f9b4a}.age--green .age__go{background:#3f9b4a}
.age--blue{background:#e1effd}.age--blue strong{color:#3a7bd5}.age--blue .age__go{background:#3a7bd5}
.age--purple{background:#f2e8fd}.age--purple strong{color:#9b51e0}.age--purple .age__go{background:#9b51e0}
.minis{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini{display:flex;align-items:center;gap:8px;padding:12px;border-radius:var(--radius);color:var(--ink-2);font-size:11.5px;font-weight:600;line-height:1.35}
.mini--guide{background:linear-gradient(90deg,#f4e8fe,#fbe6f5)}
.mini--new{background:linear-gradient(90deg,#f3eafd,#fbe6f5)}
.mini img{width:60px;height:auto;flex:none}
.mini strong{display:block;margin-bottom:4px;font-family:var(--font-display);font-size:15px;color:var(--pink)}
.mini__btn{display:flex;width:fit-content;align-items:center;gap:4px;margin-top:8px;padding:5px 16px;border:2px solid #f06cb3;border-radius:999px;background:#fff;color:var(--pink);font-size:12px;font-weight:800}
.mini:hover .mini__btn{background:var(--pink-2);border-color:var(--pink-2);color:#fff}
/* Hàng 3:1 (desktop): cột phải hẹp →
 * promo xếp dọc (chữ trên, hình dưới); 2 thẻ nhỏ xếp chồng, nút dưới tiêu đề, ẩn mô tả phụ */
@media (min-width:1181px){
  .home__row--wide .promo{flex-direction:column;justify-content:center;text-align:center}
  .home__row--wide .promo__text{flex:none;padding:24px 20px 8px}
  .home__row--wide .promo h2{flex-direction:column;justify-content:center;gap:8px}
  .home__row--wide .promo__art{align-self:center;width:82%;max-width:245px;margin:0}
  .home__row--wide .minis{grid-template-columns:1fr;grid-auto-rows:1fr}
  .home__row--wide .mini{padding:10px 16px}
  .home__row--wide .mini img{width:46px}
  .home__row--wide .mini > span{display:flex;flex-direction:column;align-items:flex-start;gap:6px;flex:1}
  .home__row--wide .mini strong{margin:0}
  .home__row--wide .mini__desc{display:none}
  .home__row--wide .mini__btn{margin:0;white-space:nowrap}
  .home__row--wide #theo-tuoi{display:flex;flex-direction:column}
  .home__row--wide .ages{flex:1}
}

.scroller__track{grid-auto-columns:minmax(112px,calc((100% - 108px) / 10))}
.grid-new{grid-template-columns:repeat(6,minmax(0,1fr))} /* tranh mới: 12 tranh = 6 cột × 2 hàng */
.tomau-card--center .tomau-card__title{text-align:center}

@media (max-width:1180px){
  .grid-new{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cats{grid-template-columns:repeat(7,minmax(0,1fr))}
  .home__row{grid-template-columns:1fr}
  .promo__art{width:38%}
  .hero{grid-template-columns:minmax(0,1fr) minmax(0,46%)}
}
@media (max-width:860px){
  .home-main{gap:20px}
  .hero{grid-template-columns:1fr;text-align:center}
  .hero__text{padding:24px 18px 14px}
  .hero__title{justify-content:center;font-size:40px}
  .hero__cta{flex-direction:column;align-items:center}
  .hero__cta .btn{width:min(320px,100%)}
  .hero__art{max-height:none;height:auto;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 30px);mask-image:linear-gradient(180deg,transparent 0,#000 30px)}
  .cats{display:flex;overflow-x:auto;margin:0 -20px;padding:0 20px 4px;scroll-snap-type:x proximity;scrollbar-width:none}
  .cats::-webkit-scrollbar{display:none}
  .cat{flex:0 0 84px;scroll-snap-align:start}
  .grid-8{grid-template-columns:repeat(2,minmax(0,1fr))}
  .promo{flex-direction:column;text-align:center}
  .promo__text{padding:22px 18px 6px}
  .promo h2{justify-content:center}
  .promo__ico{display:none}
  .promo__art{align-self:center;width:70%}
  .ages{grid-template-columns:1fr 1fr}
  .minis{grid-template-columns:1fr}
  .grid-new{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-new > :nth-child(n+7){display:none} /* điện thoại: 6 tranh = 2 cột × 3 hàng */
  .scroller__track{grid-auto-columns:118px}
}
@media (max-width:420px){
}

/* ---------- Danh sách tranh ---------- */
.listing{padding-top:18px;padding-bottom:40px}
.listing__head{margin:12px 0 14px}
.listing__head h1{margin:0 0 4px;font-size:30px;color:var(--pink)}
.listing__head p{margin:0;color:var(--ink-2);font-weight:600}
.filters{display:flex;flex-direction:column;gap:10px;margin:0 0 18px;padding:14px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.filters__row{display:flex;align-items:center;gap:12px}
.filters__label{flex:0 0 64px;font-size:13px;font-weight:800;color:var(--muted)}
.filters .chips{flex:1;min-width:0}
.sort{display:flex;gap:4px;margin-left:auto;padding:3px;border-radius:999px;background:var(--softer)}
.sort__item{padding:6px 14px;border-radius:999px;color:var(--ink);font-size:13px;font-weight:800;white-space:nowrap}
.sort__item.is-active{background:#fff;color:var(--pink);box-shadow:0 1px 4px rgba(226,53,140,.18)}
.listing__grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.pagination{margin:24px 0 0}
.pagination .nav-links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}
.pagination .page-numbers{display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 10px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:800}
.pagination .page-numbers.current{background:var(--pink-2);border-color:var(--pink-2);color:#fff}
.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 16px;border-radius:var(--radius);background:#fff;border:1px dashed var(--line);text-align:center}
.empty p{max-width:460px;margin:0 0 8px;color:var(--ink-2)}
.empty--404 h1{color:var(--pink)}
.empty .site-search{flex:none;width:min(440px,100%)}
@media (max-width:860px){
  .listing__head h1{font-size:24px}
  .filters{padding:10px;margin-left:-4px;margin-right:-4px}
  .filters__row{flex-wrap:wrap;gap:6px}
  .filters__label{flex-basis:100%}
  .filters .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .filters .chips::-webkit-scrollbar{display:none}
  .sort{margin:6px 0 0}
  .listing__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
}
@media (min-width:480px) and (max-width:860px){
  .listing__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- Trang bộ tranh (1 bài = nhiều ảnh, chọn ảnh rồi mới tô) ---------- */
.single-tranh{padding-top:14px;padding-bottom:40px}
.single-tranh .tomau{margin:22px 0;scroll-margin-top:90px}
.set-head{margin:12px 0 16px}
.set-head h1{margin:0 0 8px;font-size:30px;color:var(--pink)}
.set-head__meta{display:flex;flex-wrap:wrap;gap:8px}
.set-head__meta .chip .ico{color:var(--pink)}
.set-head__intro{max-width:72ch;margin:10px 0 0;color:var(--ink-2);font-weight:600}
/* Ảnh trong nội dung bài → chỉ còn chú thích dạng danh sách (plugin: includes/sync.php); ảnh và chọn ảnh nằm ở lưới đầu trang */
.set-list{margin:8px 0 16px;padding-left:1.2em}
.set-list__item{margin:4px 0}
.set-list__item span{color:var(--muted);font-weight:600}
.tool-title{margin:0;font-family:var(--font-display);font-size:18px;font-weight:800;color:var(--ink)}

/* Cột trái công cụ */
.tomau__aside{display:flex;flex-direction:column;gap:10px;padding:12px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);align-self:start}
.aside__h{margin:0;font-size:15px;color:var(--ink)}
.aside__h span{color:var(--muted);font-weight:700}
.aside__set{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:340px;overflow:auto;scrollbar-width:thin}
.aside__pick{position:relative;display:block;padding:3px;border:1px solid var(--line);border-radius:10px;background:#fff}
.aside__pick:hover{border-color:var(--pink)}
.aside__pick.is-active{border:2px solid var(--pink);padding:2px}
.aside__pick img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.aside__pick span{position:absolute;left:4px;bottom:4px;min-width:18px;padding:0 4px;border-radius:999px;background:rgba(58,36,48,.7);color:#fff;font-size:10px;font-weight:800;text-align:center}
.aside__pick.is-active span{background:var(--pink)}
.aside__btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;border:0;border-radius:10px;background:var(--soft);color:var(--pink);font-size:13px;font-weight:800;cursor:pointer}
.aside__btn:hover{background:var(--pink-2);color:#fff}
.aside__btn[hidden]{display:none}
.aside__related{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.aside__related a{display:block;padding:3px;border:1px solid var(--line);border-radius:10px;background:#fff}
.aside__related a:hover{border-color:var(--pink)}
.aside__related img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain}

.suggest{margin-top:22px;padding:16px;border-radius:var(--radius);background:var(--softer)}
.suggest .block__head h2{font-size:18px}
.scroller__nav{display:flex;gap:8px}
.scroller__track{scroll-behavior:smooth}
.scroller__track .tomau-card{min-width:118px}
.about{margin-top:22px;padding:20px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.about h2{font-size:20px;color:var(--pink)}
.about .entry-content{max-width:72ch}
/* Link nội bộ giữa bài (functions.php: tomauonline_inline_related) */
.see-also{margin:20px 0;padding:12px 16px;border:1px solid var(--line);border-left:4px solid var(--pink);border-radius:10px;background:var(--softer);font-weight:700;line-height:1.5}
.see-also span{color:var(--ink)}
.see-also a{color:var(--pink);text-decoration:underline;text-underline-offset:2px}
@media (max-width:1100px){
  /* Cột trái xuống dưới công cụ: ảnh trong bộ thành một hàng cuộn ngang */
  .aside__set{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:76px;max-height:none;overflow-x:auto;padding-bottom:4px}
  .aside__related{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:860px){
  .single-tranh{padding-top:10px}
  .set-head h1{font-size:24px}
  .tool-title{font-size:16px}
  .suggest{margin:0 -20px;border-radius:0;padding:16px 20px}
  .scroller__nav{display:none}
}

/* ---------- Trang nội dung ---------- */
.page-box{padding-top:18px;padding-bottom:48px}
.entry{max-width:820px;margin:14px auto 0;padding:28px 32px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.entry h1{font-size:32px;color:var(--pink)}
.entry-content{font-size:16px}
.entry-content h2{margin-top:1.4em;font-size:22px;color:var(--pink)}
.entry-content h3{margin-top:1.2em;font-size:18px}
.entry-content li{margin:.3em 0}
.entry-content img{border-radius:12px}
@media (max-width:860px){.entry{padding:20px 18px}.entry h1{font-size:26px}}

/* ---------- Footer ---------- */
.site-footer{margin-top:20px;padding:34px 0 0;background:#fff;border-top:1px solid var(--line);font-size:14px}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer__h{margin:0 0 10px;font-family:var(--font-display);font-size:16px;font-weight:800;color:var(--pink)} /* không dùng h2 để giữ dàn ý heading của trang gọn */
.site-footer ul{margin:0;padding:0;list-style:none}
.site-footer li{margin:0 0 6px}
.site-footer li a{color:var(--ink-2);font-weight:600}
.site-footer li a:hover{color:var(--pink)}
.site-footer__brand p{margin:12px 0 0;color:var(--ink-2);max-width:36ch}
.site-footer__bottom{margin-top:26px;padding:16px 20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center}
.footer-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap} /* menu "Liên kết ẩn" */
@media (max-width:860px){.site-footer__grid{grid-template-columns:1fr 1fr;gap:20px}.site-footer__brand{grid-column:1/-1}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}