/*
Theme Name: Tranhtomau NuMuKi Style
Theme URI:  https://taitranhtomau.com
Author:      Bạn
Description: Theme grid trang chủ giống Numuki (Pages as items), mobile popup menu, category icons, SEO & speed basic.
Version:     1.0
Text Domain: tranhtomau-nm
*/
:root{
  --accent: #ff5a5f;
  --bg: #f5f7fb;
  --card:#ffffff;
  --muted:#6b7280;
  --dark:#0b1220;
  --radius:12px;
  --container:1180px;
  --gap:18px;
  --shadow: 0 10px 30px rgba(12,18,24,0.06);
  --transition: 180ms ease;
}
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  height: 0 !important;
  overflow: hidden !important;
}
[aria-hidden="true"] {
  display: none !important;
}


/* Reset */
*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  margin:0;background:var(--bg);color:var(--dark);-webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.45;
}
a{
      text-decoration: none;
}
/* Heading SEO chuẩn */
h1, h2, h3, h4, h5, h6 {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin: 1em 0 0.6em;
  color: #222;
}

h1 {
  font-size: 2.2rem;   /* ~35px desktop */
  line-height: 1.2;
}
h2 {
  font-size: 1.8rem;   /* ~28px */
}
h3 {
  font-size: 1.5rem;   /* ~24px */
}
h4 {
  font-size: 1.3rem;   /* ~20px */
}
h5 {
  font-size: 1.1rem;   /* ~18px */
}
h6 {
  font-size: 1rem;     /* ~16px */
  font-weight: 500;
  color: #555;
}

/* Responsive cho mobile */
@media (max-width: 768px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.3rem; }
  h4 { font-size: 1.15rem; }
  h5 { font-size: 1rem; }
  h6 { font-size: 0.9rem; }
}

.hidden {
  display: none;
}

/* container */
.container{max-width:var(--container);margin:0 auto;padding:0 18px}

/* Topbar / header */
.header{
  background:linear-gradient(180deg,#112a3a 0,#0f2230 100%);
  color:#fff;padding:5px 0;position:sticky;top:0;z-index:1200;border-bottom:4px solid rgba(0,0,0,0.06);
}
.header-inner{display:flex;align-items:center;gap:12px;justify-content:space-between; padding: 0 20px; max-width: 1200px; margin: 0 auto;}
.site-logo{display:flex;align-items:center;gap:12px}
.site-logo img{  max-height: 50px;
  width: auto;
  height: auto;}
.header-center{flex:1;display:flex;justify-content:center}
.desktop-menu{display:flex;gap:18px;align-items:center}
.desktop-menu a{color:#fff;text-decoration:none;font-weight:600;padding:8px 10px;border-radius:8px}
.desktop-menu a:hover{background:rgba(255,255,255,0.06)}
nav.desktop-menu li , nav.footer-menu li{
    list-style: none;
}
/* categories nav like Numuki */
.cats-nav{display:flex;gap:12px;align-items:center;overflow:hidden;padding:14px 0;margin:0 -18px;background:transparent}
.cat-item{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--dark);min-width:92px;background:var(--card);padding:8px;border-radius:10px;box-shadow:var(--shadow);transition:transform var(--transition)}
.cat-item img{width:48px;height:48px;object-fit:contain;margin-bottom:6px}
.cat-item span{font-size:13px;color:var(--dark)}

/* header small search */
.header-search{display:flex;align-items:center;gap:8px}
.header-search input{padding:8px 10px;border-radius:8px;border:0;width:260px}
.more-btn {
    padding: 5px 10px;
    font-size: 14px;
}
.more-btn svg {
  vertical-align: middle;
}
.items-center{align-items: center;}
.flex{display:flex}

/* hero / title */
.site-intro{padding:24px 0;text-align:center}
.site-intro h1{font-size:28px;margin:0 0 6px;color:var(--dark)}
.site-intro p{color:var(--muted);margin:0}

/* grid */
.grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
  padding:18px 0 48px;
}
.card{
  background:var(--card);border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-8px)}
.thumb{width:100%;height:180px;overflow:hidden;background:#f8fafc;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:12px;text-align:left;}
.card-title{font-size:14px;font-weight:700;margin:6px 0;color:var(--dark)}
.card-meta{font-size:13px;color:var(--muted)}

/* overlay actions */
.overlay{
  position:absolute;left:12px;right:12px;top:12px;height:180px;border-radius:10px;display:flex;align-items:end;justify-content:center;pointer-events:none;opacity:0;transition:opacity .12s ease;
}
.card:hover .overlay{opacity:1;pointer-events:auto}
.overlay-inner{width:100%;display:flex;gap:8px;justify-content:center;padding:10px;background:linear-gradient(180deg,transparent,rgba(0,0,0,0.45));border-radius:10px}
.btn{background:#fff;border:0;padding:8px 12px;border-radius:8px;font-weight:700;cursor:pointer}
.btn.print{background:#fff}

/* pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-bottom:32px}
/*.page-n{background:var(--card);padding:10px 22px;border-radius:8px;border:1px solid #eef2f6; font-size: 20px;box-shadow:var(--shadow);}*/
/*.page-n a{font-weight:700;color:var(--dark)}*/

/* footer */
.site-footer{padding:28px 0;background:#fff;border-top:1px solid #eef2f6;margin-top:32px;text-align:center;color:var(--muted)}

/* mobile popup menu overlay */
.mobile-overlay{position:fixed;inset:0;background:rgba(2,6,23,0.6);z-index:1600;display:none}
.mobile-panel{position:fixed;top:0;left:0;height:100vh;width:100%;max-width:420px;background:#fff;z-index:1700;transform:translateX(-110%);transition:transform .28s ease;overflow:auto;padding:18px}
.mobile-panel.open{transform:translateX(0)}
.mobile-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mobile-search input{width:100%;padding:8px;border-radius:8px;border:1px solid #eef2f6}

/* mobile cat list */
.mobile-cats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mobile-cat{display:flex;gap:10px;align-items:center;padding:10px;border-radius:10px;background:#fafafa;text-decoration:none;color:var(--dark)}
.mobile-cat img{width:48px;height:48px;object-fit:contain;border-radius:6px}

/* responsive */
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){
  .desktop-menu{display:none}
  .header-search{display:none}
  .grid{grid-template-columns:repeat(2,1fr)}
  .thumb{height:140px}
}
@media(max-width:480px){
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .thumb{height:120px}
  .cats-nav{overflow:auto;padding:8px 0}
  .cat-item{min-width:80px}
  .site-intro h1{font-size:20px}
  .mobile-panel{max-width:100%;width:100%}
}
.menu{
    display:flex;
}
/* small helpers */
.center{text-align:center}
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}

.single-post .post-wrapper {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.post-title {
    font-weight: 700;
    margin-bottom: 20px;
    color: #222;
}

.post-meta {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 20px;
}

.post-thumbnail img {
   max-width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    margin: 20px auto;
}

.post-content {
  line-height: 1.7;
  font-size: 1.1rem;
}

.post-footer {
  margin-top: 30px;
  font-size: 0.9rem;
  border-top: 1px solid #eee;
  padding-top: 15px;
}
 

/* Nút download trong bài */
.download-btn {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(135deg, #ff7e5f, #feb47b);
  color: #fff;
  border-radius: 10px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  width: 100%;
  text-align: center;
}
.download-btn a{
  color: #000;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}
.download-btn:hover {
  background: linear-gradient(135deg, #feb47b, #ff7e5f);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

/* CSS bài viết liên quan  */
.post-meta {
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}

.post-categories a {
  color: #0073aa;
  text-decoration: none;
}
.post-categories a:hover {
  text-decoration: underline;
}

.related-posts {
  margin-top: 40px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.related-item {
  background: #fafafa;
  border-radius: 10px;
  overflow: hidden;
  text-align: left;
  transition: transform 0.2s ease;
}
.related-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.related-thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}
.related-title {
    padding: 10px;
    font-size: 15px;
    color: #333;
    font-weight: 600;
}
/* breadcrumb */
.breadcrumb-wrapper {
  font-size: 14px;
  margin: 15px 0;
  color: #666;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1); 
    padding: 5px 10px;
    background: #fff;
    border-radius: 5px;
}

.breadcrumb a {
  color: #0073aa;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* faeture categories  */

.featured-category {
    margin-top: 40px;
    padding: 20px;
    background: #fafafa;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.featured-category h3 {
    font-size: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #333;
}

.featured-category .cat-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.featured-category-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 15px;
}

.cat-post-item {
    text-align: center;
    background: white;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cat-post-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.cat-post-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 8px;
}
/* css danh mục nổi bật */
.category-item {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    padding: 10px 0;
}
.featured-categories {
    text-align: center;
}
.featured-categories img {
    border-radius: 12px;
    max-width: 80px;
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.featured-categories h3 {
    font-size: 16px;
}

/* css chia sẻ  */

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
        align-items: center;
    vertical-align: middle;
        border-top: solid 1px #888;
    border-bottom: solid 1px #888;
    padding: 5px 0;
}
.share-buttons img {
    width: 30px;
}
.share-buttons a,
.share-buttons button {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    color: #222;
    transition: 0.3s;
    cursor: pointer;
}

.share-buttons a:hover,
.share-buttons button:hover {
    opacity: 0.8;
}

.text-center {
  text-align: center;
}

/* css nút hiện thị thêm danh mục */
.view-all-link{    border-radius: 8px;
    border: 1px solid #eef2f6;
    font-size: 20px;
    box-shadow: var(--shadow);
    background: #fff;
    color: #222;
    padding: 10px 20px;}

.post-title a, .related-posts h3{
  display: -webkit-box;
  -webkit-line-clamp: 2; /* số dòng muốn hiển thị */
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 16px;
}

.search-form-mobile {
    display: block;
}
.search-form-mobile input{
    width: 100%;
    padding: 10px 15px;
    border-radius: 8px;
    border:1px solid #eef2f6;
}
.search-form-mobile button{
    width: 100%;
    padding: 10px 15px;
    margin-top: 10px;
}
.footer-menu ul{
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 0;
    margin: 0;
}
@media(max-width:820px){
  .footer-menu ul{
    display: block;
  }
}

/* css social  */
/* PC floating sidebar */
.social-fixed-pc {
    position: fixed;
    top: 40%;
    left: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
    background-color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    box-shadow: var(--shadow);
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.social-fixed-pc a img {
  width: 40px;
  height: 40px; 
  transition: transform 0.3s;
}

.social-fixed-pc a img:hover {
  transform: scale(1.1);
} 

figure {
    width: 100%;
    height: auto;
    max-width:100%;
}

/*backtotop*/
#back-to-top {
  position: fixed;
  bottom: 40px;
  right: 30px;
  background: #333;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.3s;
  z-index: 9999;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

#back-to-top svg {
  pointer-events: none;
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
}

#back-to-top:hover {
  background: #0073aa; /* xanh WordPress */
  transform: scale(1.1);
}

/*.figure-grid {*/
/*  display: grid;*/
/*  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));*/
/*  gap: 15px;*/
/*  margin: 20px 0;*/
/*}*/

/*.figure-grid img,*/
/*.figure-grid figure {*/
/*  width: 100%;*/
/*  height: auto;*/
/*}*/

/* TOC Container */
.toc-container {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px 15px;
  margin-bottom: 20px;
  background: #f9f9f9;
  font-size: 15px;
  max-width: 100%;
}

/* Title */
.toc-title {
  font-weight: bold;
  cursor: pointer;
  margin-bottom: 8px;
}

/* List */
.toc-list {
  list-style: none;
  padding-left: 0;
  display: none; /* ẩn mặc định */
}

.toc-item {
  margin: 5px 0;
}

.toc-level-2 {
  font-weight: 600;
}

.toc-level-3 {
  margin-left: 15px;
  font-size: 14px;
}
/*css */
.kk-star-ratings.kksr-align-center{
    display:none;
}
.rating-box {
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 15px 20px;
  margin: 20px 0;
  background: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Bên trái: điểm trung bình to */
.rating-box {
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 15px 20px;
  margin: 20px 0;
  background: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.rating-left {
  text-align: center;
  padding-right: 15px;
  border-right: 2px solid #f0f0f0;
}

.rating-average {
  font-size: 42px;
  font-weight: bold;
  color: #e67e22;
  line-height: 1;
}

.rating-max {
  font-size: 18px;
  color: #777;
}

.rating-right {
  flex: 1;
}

.rating-right .kk-star-ratings {
  font-size: 24px;
  margin-bottom: 5px;
}

.rating-count {
  font-size: 14px;
  color: #555;
}

@media (max-width: 600px) {
  .rating-box {
    flex-direction: column;
    text-align: center;
  }
  .rating-left {
    border-right: none;
    border-bottom: 2px solid #f0f0f0;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
}

/*phân trang */
.pagination .page-numbers {
  display: flex;
  gap: 8px; /* khoảng cách giữa các nút */
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination .page-item a,
.pagination .page-item span {
  display: inline-block;
  min-width: 44px;  /* chuẩn tối thiểu để bấm trên mobile */
  min-height: 44px;
  line-height: 44px;
  text-align: center;
  padding: 0 12px;
  border-radius: 6px;
  background: #fff;
  text-decoration: none;
  color: #333;
}

.pagination .page-item a:hover {
  background: #ddd;
}

.pagination .page-item .current {
  background: #0073aa;   /* màu nền (xanh WP mặc định) */
  color: #fff;           /* chữ trắng */
  border-radius: 6px;
  font-weight: bold;
}