/*
Theme Name: Chimelong
Description: Editorial travel theme — warm paper, terracotta accent, dark mode. Thiết kế đồng bộ với landing pages Chimelong.
Version: 1.0.0
Requires at least: 5.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: chimelong
Tags: blog, custom-logo, custom-menu, featured-images, translation-ready
*/

/* ================== TOKENS (đồng bộ landing) ================== */
body{
  --cl-sans:"Manrope",Helvetica,Arial,sans-serif;
  --cl-serif:"Playfair Display",Georgia,serif;
  --cl-bg:#F7F4EE;--cl-bg-2:#EFEAE0;--cl-card:#FFFFFF;
  --cl-ink:#1A1917;--cl-ink-soft:rgba(26,25,23,.75);--cl-muted:#8A857A;
  --cl-accent:#D2582F;--cl-accent-h:#B4451F;--cl-on-accent:#FFF6F0;
  --cl-line:rgba(26,25,23,.14);--cl-line-2:rgba(26,25,23,.26);
  --cl-band:#171612;--cl-band-ink:#F4EFE9;--cl-band-accent:#E8764B;
  --cl-radius:12px;
  margin:0;background:var(--cl-bg);color:var(--cl-ink);
  font-family:var(--cl-sans);line-height:1.65;-webkit-font-smoothing:antialiased}
html[data-cl-theme="dark"] body{
  --cl-bg:#141310;--cl-bg-2:#1B1915;--cl-card:#201E19;
  --cl-ink:#F0EDE6;--cl-ink-soft:rgba(240,237,230,.75);--cl-muted:#97927F;
  --cl-accent:#E8764B;--cl-accent-h:#F28A60;--cl-on-accent:#1A1208;
  --cl-line:rgba(240,237,230,.14);--cl-line-2:rgba(240,237,230,.28)}

/* ================== Nền tảng ================== */
*,*::before,*::after{box-sizing:border-box}
:where(h1,h2,h3,h4,h5,h6,p,figure,ul,ol,li,blockquote){margin:0;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--cl-accent);color:#FFF6F0}
:focus-visible{outline:2px solid var(--cl-accent);outline-offset:3px;border-radius:2px}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:96px}
body.admin-bar .cl-header{top:var(--wp-admin--admin-bar--height,32px)}
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}

.cl-shell{width:min(1180px,92%);margin-inline:auto}
.cl-section{padding:clamp(3.5rem,7vw,6.5rem) 0}

/* ================== Kiểu chữ dùng chung ================== */
.cl-eyebrow{display:inline-flex;align-items:center;gap:.8rem;font-size:.72rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cl-accent)}
.cl-eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:none}
.cl-pill{display:inline-block;background:var(--cl-accent);color:var(--cl-on-accent);padding:.28rem .7rem;border-radius:999px;font-size:.62rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}

/* ================== Skip link & nút ================== */
.cl-skip{position:fixed;top:-64px;left:16px;z-index:2000;background:var(--cl-accent);color:#FFF6F0;padding:.8rem 1.2rem;border-radius:0 0 8px 8px;font-weight:600;transition:top .25s}
.cl-skip:focus{top:0}
.cl-btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.6rem;border-radius:10px;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border:1px solid transparent;transition:background .3s,color .3s,border-color .3s}
.cl-btn svg{width:15px;height:15px;transition:transform .3s}
.cl-btn:hover svg{transform:translate(2px,-2px)}
.cl-btn--amber{background:var(--cl-accent);color:var(--cl-on-accent)}
.cl-btn--amber:hover{background:var(--cl-accent-h)}
.cl-btn--sm{padding:.6rem 1.1rem;font-size:.68rem}

/* ================== Header (luôn tối, như landing) ================== */
.cl-header{position:sticky;top:0;z-index:100;background:rgba(23,22,18,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(244,239,227,.12)}
.cl-header__inner{display:flex;align-items:center;gap:1.4rem;min-height:68px}
.cl-header__brand{display:flex;align-items:center}
.cl-brand{color:var(--cl-band-ink);font-weight:800;font-size:.95rem;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
.cl-tagline{color:rgba(244,239,227,.55);font-size:.72rem;margin-left:.9rem;letter-spacing:.06em}
.custom-logo{max-height:44px;width:auto}
.cl-menu{display:flex;gap:1.9rem;list-style:none;margin:0 0 0 auto;padding:0}
.cl-menu a{font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:rgba(244,239,227,.9);transition:color .25s}
.cl-menu a:hover,.cl-menu .current-menu-item > a{color:var(--cl-band-accent)}
.cl-header__actions{display:flex;align-items:center;gap:.6rem;margin-left:.4rem}
.cl-header .cl-btn--amber{background:var(--cl-band-accent)}
.cl-header .cl-btn--amber:hover{background:#F28A60}
.cl-icon-btn{width:40px;height:40px;border:1px solid rgba(244,239,227,.3);border-radius:10px;background:rgba(244,239,227,.06);color:var(--cl-band-ink);display:grid;place-items:center;transition:border-color .25s,background .25s}
.cl-icon-btn:hover{border-color:var(--cl-band-accent);background:rgba(244,239,227,.12)}
.cl-icon-btn svg{width:17px;height:17px}
.cl-icon-btn .ic-sun{display:none}
html[data-cl-theme="dark"] .cl-icon-btn .ic-sun{display:block}
html[data-cl-theme="dark"] .cl-icon-btn .ic-moon{display:none}
.cl-nav-toggle{display:none}
.cl-burger{display:flex;flex-direction:column;gap:4px}
.cl-burger span{width:17px;height:2px;background:currentColor;border-radius:2px;transition:transform .3s,opacity .3s}
body.cl-nav-open .cl-burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.cl-nav-open .cl-burger span:nth-child(2){opacity:0}
body.cl-nav-open .cl-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ================== Hero band ================== */
.cl-hero{background:var(--cl-band);color:var(--cl-band-ink);padding:clamp(4.5rem,9vw,7.5rem) 0}
.cl-hero .cl-eyebrow{color:var(--cl-band-accent)}
.cl-hero__title{font-family:var(--cl-serif);font-weight:500;font-size:clamp(2.6rem,6vw,4.8rem);line-height:1.06;letter-spacing:-.01em;margin-top:1.2rem}
.cl-hero__title em{color:var(--cl-band-accent);font-style:italic}
.cl-hero__sub{margin-top:1.1rem;max-width:60ch;color:rgba(244,239,227,.75);font-size:1.05rem}
.cl-backlink{display:inline-flex;align-items:center;gap:.45rem;color:rgba(244,239,227,.7);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.4rem;transition:color .25s}
.cl-backlink:hover{color:var(--cl-band-accent)}

/* ================== Lưới bài viết ================== */
.cl-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.4rem,2.6vw,2.2rem)}
.cl-post{display:flex;flex-direction:column;border:1px solid var(--cl-line);border-radius:var(--cl-radius);overflow:hidden;background:var(--cl-card);transition:transform .35s,box-shadow .35s}
.cl-post:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(23,22,18,.12)}
.cl-post__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--cl-bg-2)}
.cl-post__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.cl-post:hover .cl-post__media img{transform:scale(1.06)}
.cl-post__ph{display:grid;place-items:center;width:100%;height:100%;color:var(--cl-muted)}
.cl-post__ph svg{width:34px;height:34px;opacity:.5}
.cl-post__body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.cl-post__meta{display:flex;align-items:center;gap:.6rem;font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.cl-post__meta time{color:var(--cl-muted);font-weight:600;letter-spacing:.1em}
.cl-post__title{font-family:var(--cl-serif);font-weight:600;font-size:1.35rem;line-height:1.25}
.cl-post__title a:hover{color:var(--cl-accent)}
.cl-post__excerpt{color:var(--cl-ink-soft);font-size:.95rem}
.cl-post__more{margin-top:auto;display:inline-flex;align-items:center;gap:.45rem;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cl-accent)}
.cl-post__more svg{width:14px;height:14px;transition:transform .3s}
.cl-post:hover .cl-post__more svg{transform:translateX(3px)}
.cl-empty{color:var(--cl-ink-soft);padding:2rem 0}

/* ================== Phân trang ================== */
.pagination .nav-links{display:flex;gap:.45rem;justify-content:center;margin-top:3.5rem;flex-wrap:wrap}
.pagination .page-numbers{display:grid;place-items:center;min-width:42px;height:42px;padding:0 .8rem;border:1px solid var(--cl-line-2);border-radius:10px;font-weight:700;font-size:.85rem;transition:.25s}
.pagination .page-numbers.current{background:var(--cl-ink);color:var(--cl-bg);border-color:var(--cl-ink)}
a.page-numbers:hover{border-color:var(--cl-accent);color:var(--cl-accent)}

/* ================== Bài viết chi tiết ================== */
.cl-single-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2rem,4vw,3.2rem);padding-top:clamp(3rem,6vw,5rem)}
@media (min-width:1100px){
  .cl-single-wrap--sb{grid-template-columns:minmax(0,1fr) 320px}
}
.cl-single__media{margin-bottom:clamp(1.8rem,4vw,2.8rem)}
.cl-single__media img{width:100%;border-radius:var(--cl-radius)}
.cl-prose{font-size:1.06rem;line-height:1.85;max-width:720px}
.cl-prose>*+*{margin-top:1.2em}
.cl-prose h2{font-family:var(--cl-serif);font-weight:600;font-size:clamp(1.7rem,3vw,2.2rem);line-height:1.2;margin-top:1.9em}
.cl-prose h3{font-family:var(--cl-serif);font-weight:600;font-size:1.45rem;line-height:1.3;margin-top:1.7em}
.cl-prose a{color:var(--cl-accent);text-decoration:underline;text-underline-offset:3px}
.cl-prose a:hover{color:var(--cl-ink)}
.cl-prose blockquote{border-left:3px solid var(--cl-accent);padding:.2rem 0 .2rem 1.4rem;font-family:var(--cl-serif);font-style:italic;font-size:1.25rem;line-height:1.55}
.cl-prose ul,.cl-prose ol{padding-left:1.4rem}
.cl-prose li+li{margin-top:.45em}
.cl-prose img{border-radius:var(--cl-radius)}
.cl-prose pre{background:var(--cl-bg-2);border:1px solid var(--cl-line);border-radius:10px;padding:1.1rem 1.3rem;overflow:auto;font-size:.9rem;line-height:1.6}
.cl-prose code{background:var(--cl-bg-2);padding:.15em .4em;border-radius:6px;font-size:.9em}
.cl-prose pre code{background:none;padding:0}
.cl-prose table{width:100%;border-collapse:collapse;font-size:.95rem}
.cl-prose th,.cl-prose td{border:1px solid var(--cl-line);padding:.6rem .8rem;text-align:left}
.cl-prose hr{border:0;border-top:1px solid var(--cl-line)}
.cl-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--cl-line)}
.cl-tag{border:1px solid var(--cl-line-2);border-radius:999px;padding:.35rem .85rem;font-size:.7rem;font-weight:600;letter-spacing:.08em;color:var(--cl-ink-soft);transition:.25s}
.cl-tag:hover{border-color:var(--cl-accent);color:var(--cl-accent)}
.post-navigation{margin-top:2.6rem;display:grid;gap:1rem}
.post-navigation a{display:block;border:1px solid var(--cl-line);border-radius:var(--cl-radius);padding:1.1rem 1.3rem;transition:border-color .25s}
.post-navigation a:hover{border-color:var(--cl-accent)}
.post-navigation .meta-nav{display:block;font-size:.66rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cl-muted);margin-bottom:.3rem}
.post-navigation .post-title{font-family:var(--cl-serif);font-weight:600;font-size:1.1rem}

/* ================== Sidebar & widgets ================== */
.cl-sidebar{align-self:start}
.widget{border:1px solid var(--cl-line);border-radius:var(--cl-radius);background:var(--cl-card);padding:1.4rem}
.widget+.widget{margin-top:1.4rem}
.widget-title{font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cl-muted);margin-bottom:1rem}
.widget ul{list-style:none;padding:0}
.widget li{padding:.5rem 0;border-top:1px solid var(--cl-line);font-size:.95rem}
.widget li:first-child{border-top:0;padding-top:0}
.widget li:last-child{padding-bottom:0}
.widget a:hover{color:var(--cl-accent)}
.widget_search .cl-search{max-width:none}

/* ================== Form tìm kiếm ================== */
.cl-search{display:flex;gap:.6rem;max-width:520px}
.cl-search__input{flex:1;min-width:0;padding:.9rem 1.1rem;border:1px solid var(--cl-line-2);border-radius:10px;background:var(--cl-card);color:var(--cl-ink);font:inherit}
.cl-hero .cl-search__input{background:rgba(244,239,227,.08);border-color:rgba(244,239,227,.3);color:var(--cl-band-ink)}
.cl-hero .cl-search__input::placeholder{color:rgba(244,239,227,.45)}

/* ================== Bình luận ================== */
.cl-comments{margin-top:3rem;padding-top:2.4rem;border-top:1px solid var(--cl-line)}
.cl-comments__title{font-family:var(--cl-serif);font-weight:600;font-size:1.5rem;margin-bottom:1.4rem}
.comment-list{list-style:none;padding:0}
.comment-list .comment-body{border:1px solid var(--cl-line);border-radius:var(--cl-radius);background:var(--cl-card);padding:1.2rem 1.3rem;margin-bottom:1.2rem}
.comment-list .avatar{border-radius:50%;float:left;margin-right:.9rem}
.comment-list .children{list-style:none;padding-left:2rem;margin-top:1rem}
.comment-metadata{font-size:.74rem;color:var(--cl-muted);margin:.2rem 0 .6rem}
.comment-metadata a:hover{color:var(--cl-accent)}
.comment .reply a{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cl-accent)}
.comment-form p{margin:0 0 1.1rem}
.comment-form label{display:block;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cl-muted);margin-bottom:.4rem}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;padding:.85rem 1rem;border:1px solid var(--cl-line-2);border-radius:10px;background:var(--cl-card);color:var(--cl-ink);font:inherit}
.comment-form input[type=submit]{background:var(--cl-accent);color:var(--cl-on-accent);border:0;border-radius:10px;padding:.95rem 1.7rem;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;transition:background .3s}
.comment-form input[type=submit]:hover{background:var(--cl-accent-h)}

/* ================== Footer ================== */
.cl-footer{background:var(--cl-bg-2);border-top:1px solid var(--cl-line);padding:4rem 0 2.2rem;margin-top:clamp(3.5rem,7vw,6rem)}
.cl-footer__grid{display:flex;justify-content:space-between;gap:3rem;flex-wrap:wrap}
.cl-footer__brand{max-width:360px}
.cl-footer__brand .cl-brand{color:var(--cl-ink)}
.cl-footer__brand p{color:var(--cl-ink-soft);font-size:.95rem;margin-top:1rem}
.cl-footer__col b,.cl-footer__widgets .widget-title{display:block;font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cl-muted);margin-bottom:1rem}
.cl-footer-menu{list-style:none;padding:0}
.cl-footer-menu a{display:block;padding:.32rem 0;font-size:.95rem;transition:color .25s}
.cl-footer-menu a:hover{color:var(--cl-accent)}
.cl-footer__widgets{max-width:360px}
.cl-footer__widgets .widget{background:none;border:0;padding:0}
.cl-footer__legal{border-top:1px solid var(--cl-line);margin-top:3.2rem;padding-top:1.6rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.78rem;color:var(--cl-muted)}
.cl-footer__legal p{max-width:64ch}

/* ================== Reduced motion & Responsive ================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}
@media (max-width:980px){.cl-post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:880px){
  .cl-menu{display:none}
  .cl-nav-toggle{display:grid}
  body.cl-nav-open .cl-header__nav{display:block;position:absolute;top:100%;left:0;right:0;background:#171612;border-bottom:1px solid rgba(244,239,227,.12);padding:.6rem 4% 1.2rem;box-shadow:0 24px 40px rgba(0,0,0,.3)}
  body.cl-nav-open .cl-menu{display:flex;flex-direction:column;gap:0}
  body.cl-nav-open .cl-menu a{display:block;padding:.75rem 0;border-top:1px solid rgba(244,239,227,.1);font-size:.8rem}
}
@media (max-width:640px){
  .cl-post-grid{grid-template-columns:1fr}
  .cl-tagline{display:none}
}
@media (max-width:560px){.cl-header .cl-btn--sm{display:none}}
@media (max-width:480px){.cl-header__inner{gap:.9rem}}