/*
Theme Name: HoSyMinh
Theme URI: https://hosyminh.com
Author: Hồ Sỹ Minh
Author URI: https://hosyminh.com
Description: Theme blog cá nhân phong cách Tech/Developer — hỗ trợ chế độ Sáng/Tối, quản lý toàn bộ nội dung trong Admin (Customizer, term meta màu chuyên mục, CPT Kinh nghiệm). Phù hợp cho blog công nghệ, đời sống, du lịch, kiến thức.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: hosyminh
Tags: blog, two-columns, dark-mode, custom-colors, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   THEME TOKENS
   ============================================================ */
:root{
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-serif:'Lora',Georgia,serif;
  --font-mono:'JetBrains Mono','Fira Code',ui-monospace,SFMono-Regular,Menlo,monospace;
  --accent:#2dd4bf;--accent-2:#818cf8;--accent-grad:linear-gradient(135deg,#2dd4bf 0%,#818cf8 100%);
  --c-tech:#2dd4bf;--c-life:#fbbf24;--c-travel:#38bdf8;--c-know:#a78bfa;
  --radius:14px;--radius-sm:9px;--maxw:1180px;--transition:.25s cubic-bezier(.4,0,.2,1);
}
html[data-theme="dark"]{--bg:#0a0e14;--bg-2:#0f1620;--surface:#121a25;--surface-2:#172230;--border:#1f2b3a;--border-2:#2a3a4d;--text:#e6edf3;--text-2:#aebfd0;--muted:#6b7d92;--code-bg:#0d1420;--grid-line:rgba(45,212,191,.06);--shadow:0 12px 40px rgba(0,0,0,.45)}
html[data-theme="light"]{--bg:#f7f9fc;--bg-2:#ffffff;--surface:#ffffff;--surface-2:#f1f5fb;--border:#e2e8f0;--border-2:#cbd5e1;--text:#0f1b2d;--text-2:#3d4f63;--muted:#7888a0;--accent:#0d9488;--accent-2:#6366f1;--code-bg:#0f1620;--grid-line:rgba(13,148,136,.05);--shadow:0 10px 30px rgba(16,38,73,.08)}

/* ============================================================
   RESET / BASE
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;transition:background var(--transition),color var(--transition);overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:48px 48px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--font-mono)}
.accent{color:var(--accent)}
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden;word-wrap:normal!important}
.skip-link{position:absolute;left:-9999px;z-index:999;padding:10px 16px;background:var(--accent);color:#06231f;border-radius:0 0 8px 0}
.skip-link:focus{left:0;top:0}

/* ============================================================
   HEADER / NAV
   ============================================================ */
header.site{position:sticky;top:0;z-index:50;backdrop-filter:saturate(160%) blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border);transition:background var(--transition),border var(--transition)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-weight:700;font-size:16px;white-space:nowrap}
.brand img{max-height:34px;width:auto}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.brand .prompt{color:var(--muted)}
.brand b{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .cursor{color:var(--accent);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
nav.menu ul{display:flex;align-items:center;gap:4px}
nav.menu li{position:relative}
nav.menu a{font-size:14.5px;font-weight:500;color:var(--text-2);padding:8px 14px;border-radius:8px;transition:var(--transition);display:block}
nav.menu a:hover{color:var(--text);background:var(--surface-2)}
nav.menu .current-menu-item>a,nav.menu .current_page_item>a{color:var(--accent)}
/* sub menu */
nav.menu ul ul{position:absolute;top:100%;left:0;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:6px;min-width:190px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:var(--transition);z-index:60}
nav.menu li:hover>ul{opacity:1;visibility:visible;transform:translateY(0)}
.nav-tools{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--surface);border:1px solid var(--border);color:var(--text-2);cursor:pointer;transition:var(--transition)}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}
.menu-toggle{display:none}

/* search overlay */
.search-pop{display:none;border-bottom:1px solid var(--border);background:var(--bg-2)}
.search-pop.open{display:block}
.search-pop .wrap{padding:18px 24px}
.search-form{display:flex;gap:10px}
.search-form input[type=search]{flex:1;padding:13px 16px;border-radius:10px;border:1px solid var(--border-2);background:var(--bg);color:var(--text);font-size:15px;outline:none;font-family:var(--font-sans)}
.search-form input[type=search]:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}

/* ============================================================
   BUTTONS / CHIPS / BADGES
   ============================================================ */
.btn{padding:14px 26px;border-radius:10px;border:none;cursor:pointer;font-weight:700;font-size:15px;background:var(--accent-grad);color:#06231f;transition:var(--transition);white-space:nowrap;display:inline-block}
html[data-theme="light"] .btn{color:#fff}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
.chip{font-size:13.5px;font-weight:500;padding:8px 16px;border-radius:100px;cursor:pointer;background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:var(--transition);text-decoration:none;display:inline-block}
.chip:hover{border-color:var(--accent);color:var(--text)}
.chip.active{background:var(--accent-grad);color:#06231f;border-color:transparent;font-weight:600}
html[data-theme="light"] .chip.active{color:#fff}
.cat{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:.04em;width:fit-content}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.tag::before{content:"#";color:var(--accent);opacity:.7}
.meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted);font-family:var(--font-mono);margin-top:auto;flex-wrap:wrap}
.meta span{display:inline-flex;align-items:center;gap:5px}

/* ============================================================
   SECTION HEADS
   ============================================================ */
.section{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px;gap:16px;flex-wrap:wrap}
.section-head h2{font-size:24px;font-weight:700;display:flex;align-items:center;gap:10px}
.section-head h2 .hash{font-family:var(--font-mono);color:var(--accent);font-weight:700}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:4px}
.view-all{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.view-all:hover{gap:10px}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:64px 0 40px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:13px;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);padding:6px 14px;border-radius:100px;margin-bottom:22px}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.1;letter-spacing:-.02em;max-width:820px}
.hero h1 .grad{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--text-2);max-width:620px;margin-top:20px}
.hero-stats{display:flex;gap:36px;margin-top:34px;flex-wrap:wrap}
.stat .num{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--text)}
.stat .lbl{font-size:13px;color:var(--muted)}

/* ============================================================
   FEATURED
   ============================================================ */
.featured-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}
.feat-main{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;border:1px solid var(--border);display:flex;flex-direction:column;justify-content:flex-end;background-size:cover;background-position:center;transition:var(--transition)}
.feat-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(0,0,0,.85) 100%)}
.feat-main:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat-main .body{padding:30px;color:#fff;position:relative;z-index:1}
.feat-main h3{font-size:28px;font-weight:800;line-height:1.2;margin:12px 0 10px;max-width:92%}
.feat-main p{color:rgba(255,255,255,.78);font-size:15px;max-width:92%}
.feat-main .meta{color:rgba(255,255,255,.7);margin-top:16px}
.feat-side{display:flex;flex-direction:column;gap:24px}
.feat-small{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);display:flex;flex-direction:column;flex:1;transition:var(--transition)}
.feat-small:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--border-2)}
.feat-small .thumb{height:130px;background-size:cover;background-position:center}
.feat-small .body{padding:16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.feat-small h4{font-size:16px;font-weight:700;line-height:1.35}
.feat-small h4 a:hover{color:var(--accent)}

/* ============================================================
   POST GRID / CARDS
   ============================================================ */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:var(--transition)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--border-2)}
.card .thumb{height:172px;background-size:cover;background-position:center;position:relative;display:block}
.card .thumb .cat{position:absolute;top:12px;left:12px;backdrop-filter:blur(4px)}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:18px;font-weight:700;line-height:1.35}
.card h3 a:hover{color:var(--accent)}
.card p{font-size:14px;color:var(--text-2);flex:1}

/* ============================================================
   PROFILE / ABOUT
   ============================================================ */
.about-new{display:grid;grid-template-columns:330px 1fr;gap:44px;align-items:start}
.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;position:sticky;top:90px}
.photo-frame{position:relative;border-radius:var(--radius-sm);overflow:hidden;margin-bottom:18px;border:1px solid var(--border-2)}
.photo-frame img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;transition:var(--transition)}
.profile-card:hover .photo-frame img{transform:scale(1.04)}
.photo-frame .status{position:absolute;left:12px;bottom:12px;display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:11px;font-weight:600;background:rgba(0,0,0,.62);backdrop-filter:blur(6px);color:#fff;padding:6px 12px;border-radius:100px}
.photo-frame .status i{width:8px;height:8px;border-radius:50%;background:#27c93f;box-shadow:0 0 8px #27c93f;animation:pulse 2s infinite}
.profile-card h3{font-size:22px;font-weight:800;letter-spacing:-.01em}
.profile-card .role{font-family:var(--font-mono);font-size:13px;color:var(--accent);margin-top:4px}
.profile-card .quick{text-align:left;margin:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:14px 0}
.profile-card .quick li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2);padding:5px 0}
.profile-card .quick li b{color:var(--text);font-weight:600}
.about-content h2{font-size:30px;font-weight:800;line-height:1.2;margin-bottom:16px}
.about-content > p{color:var(--text-2);margin-bottom:16px;font-size:16px}
.about-content .terminal{margin-top:24px}
.social{display:flex;gap:10px;margin-top:8px}
.profile-card .social{justify-content:center}
.social a{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:var(--transition)}
.social a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.social svg{width:20px;height:20px}

/* terminal */
.terminal{border:1px solid var(--border-2);border-radius:var(--radius);overflow:hidden;background:var(--code-bg);box-shadow:var(--shadow);font-family:var(--font-mono);font-size:14px}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.04);border-bottom:1px solid var(--border)}
.term-bar i{width:12px;height:12px;border-radius:50%;display:inline-block}
.term-bar .r{background:#ff5f56}.term-bar .y{background:#ffbd2e}.term-bar .g{background:#27c93f}
.term-bar .file{margin-left:8px;color:#7d8da0;font-size:12.5px}
.term-body{padding:22px;line-height:1.9;color:#cdd9e5}
.term-body .l1{color:#5c6b7e}
.term-body .key{color:var(--c-travel)}
.term-body .str{color:var(--c-tech)}
.term-body .fn{color:var(--c-know)}
.term-body .num{color:var(--c-life)}

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.timeline{position:relative;max-width:820px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--accent),color-mix(in srgb,var(--accent-2) 60%,transparent),transparent)}
.tl-item{position:relative;padding:0 0 32px 6px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-34px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}
.tl-item.edu::before{border-color:var(--c-know);box-shadow:0 0 0 4px color-mix(in srgb,var(--c-know) 12%,transparent)}
.tl-item .period{font-family:var(--font-mono);font-size:12.5px;color:var(--accent);font-weight:600}
.tl-item.edu .period{color:var(--c-know)}
.tl-item h4{font-size:18px;font-weight:700;margin:7px 0 3px}
.tl-item .company{font-size:14px;color:var(--text-2)}
.tl-item .company b{color:var(--text);font-weight:600}
.tl-item p{color:var(--text-2);font-size:14.5px;margin:10px 0 0}
.tl-item .tags{margin-top:12px}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter{border:1px solid var(--border);border-radius:var(--radius);padding:48px;text-align:center;position:relative;overflow:hidden;background:var(--surface)}
.newsletter::before{content:"";position:absolute;inset:0;background:var(--accent-grad);opacity:.06}
.newsletter h2{font-size:28px;font-weight:800;position:relative}
.newsletter p{color:var(--text-2);margin:12px 0 26px;position:relative}
.nl-form{display:flex;gap:10px;max-width:460px;margin:0 auto;position:relative}
.nl-form input{flex:1;padding:14px 18px;border-radius:10px;border:1px solid var(--border-2);background:var(--bg);color:var(--text);font-size:15px;font-family:var(--font-sans);outline:none;transition:var(--transition)}
.nl-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}

/* ============================================================
   BREADCRUMB / ARCHIVE
   ============================================================ */
.crumbs{font-family:var(--font-mono);font-size:13px;color:var(--muted);padding:26px 0 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.cat-hero{padding:18px 0 8px}
.cat-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:13px;font-weight:600;padding:6px 14px;border-radius:100px;margin-bottom:18px}
.cat-hero h1{font-size:clamp(30px,4.5vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.cat-hero p{font-size:17px;color:var(--text-2);max-width:620px;margin-top:14px}
.cat-hero .count{font-family:var(--font-mono);font-size:13px;color:var(--muted);margin-top:18px}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:34px 0 28px;flex-wrap:wrap}
.subcats{display:flex;gap:8px;flex-wrap:wrap}
.sort{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.sort select{font-family:var(--font-sans);font-size:13.5px;padding:8px 12px;border-radius:8px;background:var(--surface);border:1px solid var(--border);color:var(--text);cursor:pointer;outline:none}
.lead-post{display:grid;grid-template-columns:1.3fr 1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);margin-bottom:32px;transition:var(--transition)}
.lead-post:hover{box-shadow:var(--shadow);border-color:var(--border-2)}
.lead-post .thumb{min-height:300px;background-size:cover;background-position:center;display:block}
.lead-post .body{padding:34px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.lead-post h2{font-size:28px;font-weight:800;line-height:1.2}
.lead-post h2 a:hover{color:var(--accent)}
.lead-post p{color:var(--text-2);font-size:15.5px}

/* pagination (WP paginate_links / the_posts_pagination) */
.pagination,.nav-links{display:flex;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
.page-numbers{min-width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-family:var(--font-mono);font-size:14px;transition:var(--transition);padding:0 14px}
a.page-numbers:hover{border-color:var(--accent);color:var(--accent)}
.page-numbers.current{background:var(--accent-grad);color:#06231f;border-color:transparent;font-weight:700}
html[data-theme="light"] .page-numbers.current{color:#fff}
.page-numbers.dots{background:none;border:none}

/* ============================================================
   SINGLE POST
   ============================================================ */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent-grad);z-index:60;transition:width .1s linear}
.art-head{max-width:760px;margin:0 auto;padding:22px 0 30px;text-align:center}
.art-head h1{font-size:clamp(30px,4.6vw,48px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin:18px 0 16px}
.art-head .excerpt{font-size:19px;color:var(--text-2);line-height:1.6}
.byline{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.byline .avatar{width:46px;height:46px;border-radius:50%;overflow:hidden;background:var(--accent-grad);display:grid;place-items:center;font-weight:700;color:#06231f;font-family:var(--font-mono)}
.byline .avatar img{border-radius:50%}
.byline .who{text-align:left}
.byline .who .name{font-weight:700;font-size:15px}
.byline .who .det{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.cover{max-width:980px;margin:0 auto 10px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.cover img{width:100%;height:auto;aspect-ratio:16/8;object-fit:cover}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;max-width:980px;margin:40px auto 0;align-items:start}

/* article typography (applies to the_content) */
.article{font-size:18px;line-height:1.85;color:var(--text)}
.article p{margin:0 0 24px}
.article > p:first-of-type::first-letter{font-size:64px;font-weight:800;float:left;line-height:.8;padding:6px 12px 0 0;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.article h2{font-size:28px;font-weight:800;margin:44px 0 16px;letter-spacing:-.01em;scroll-margin-top:90px}
.article h3{font-size:21px;font-weight:700;margin:32px 0 12px;scroll-margin-top:90px}
.article h4{font-size:18px;font-weight:700;margin:24px 0 10px}
.article ul,.article ol{margin:0 0 24px;padding-left:4px}
.article li{position:relative;padding-left:30px;margin-bottom:10px}
.article ul li::before{content:"▹";color:var(--accent);position:absolute;left:6px;font-family:var(--font-mono)}
.article ol{counter-reset:li}
.article ol li::before{counter-increment:li;content:counter(li);color:var(--accent);position:absolute;left:0;font-family:var(--font-mono);font-weight:700;font-size:14px}
.article a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}
.article a:hover{border-color:var(--accent)}
.article strong{font-weight:700;color:var(--text)}
.article code{font-family:var(--font-mono);font-size:.86em;background:var(--surface-2);border:1px solid var(--border);padding:2px 7px;border-radius:6px;color:var(--accent)}
.article pre{background:var(--code-bg);border:1px solid var(--border-2);border-radius:var(--radius);padding:20px;overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;color:#cdd9e5;margin:0 0 28px;box-shadow:var(--shadow)}
.article pre code{background:none;border:none;padding:0;color:inherit}
.article blockquote{font-family:var(--font-serif);font-style:italic;font-size:22px;line-height:1.5;color:var(--text);border-left:3px solid var(--accent);padding:6px 0 6px 26px;margin:0 0 28px}
.article img{border-radius:var(--radius);border:1px solid var(--border);margin:0 auto 8px}
.article figure{margin:0 0 28px}
.article figcaption,.wp-caption-text{text-align:center;font-size:13.5px;color:var(--muted);margin-top:10px;font-family:var(--font-mono)}
.article table{width:100%;border-collapse:collapse;margin:0 0 28px;font-size:15px}
.article th,.article td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article th{background:var(--surface-2);font-family:var(--font-mono);font-size:13px}
.article hr{border:none;border-top:1px solid var(--border);margin:32px 0}

/* alignment helpers */
.alignleft{float:left;margin:6px 24px 16px 0}
.alignright{float:right;margin:6px 0 16px 24px}
.aligncenter{margin-left:auto;margin-right:auto}
.wp-caption{max-width:100%}

/* TOC */
.toc{position:sticky;top:90px;font-size:13.5px}
.toc .tt{font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.toc a{display:block;color:var(--text-2);padding:7px 0 7px 14px;border-left:2px solid var(--border);transition:var(--transition);line-height:1.4;border-bottom:none}
.toc a:hover{color:var(--text)}
.toc a.active{color:var(--accent);border-color:var(--accent);font-weight:600}
.toc a.lvl3{padding-left:26px;font-size:12.8px}

/* article footer / share / author / related */
.art-foot{max-width:980px;margin:36px auto 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--border)}
.art-foot .tag{font-size:13px;color:var(--text-2);background:var(--surface);border:1px solid var(--border);padding:6px 12px;border-radius:8px;transition:var(--transition)}
.art-foot .tag:hover{color:var(--accent);border-color:var(--accent)}
.share{display:flex;align-items:center;gap:8px}
.share span{font-size:13px;color:var(--muted);margin-right:4px}
.share a{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:var(--transition)}
.share a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.share svg{width:17px;height:17px}
.author-box{max-width:980px;margin:40px auto 0;display:flex;gap:22px;padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);align-items:center}
.author-box .av{width:72px;height:72px;border-radius:50%;overflow:hidden;background:var(--accent-grad);display:grid;place-items:center;font-weight:800;font-size:24px;color:#06231f;font-family:var(--font-mono);flex-shrink:0}
.author-box .av img{border-radius:50%}
.author-box h4{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px}
.author-box .role{font-family:var(--font-mono);font-size:12px;color:var(--accent);font-weight:400}
.author-box p{color:var(--text-2);font-size:14.5px;margin-top:6px}
.author-box .links{display:flex;gap:10px;margin-top:12px}
.author-box .links a{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.author-box .links a:hover{color:var(--accent)}
.related{max-width:980px;margin:64px auto 0}
.related h3{font-size:22px;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.related h3 .hash{font-family:var(--font-mono);color:var(--accent)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-grid .card .thumb{height:140px}
.rel-grid .card .body{padding:18px}
.rel-grid .card h4{font-size:16px;font-weight:700;line-height:1.35}
.rel-grid .card h4 a:hover{color:var(--accent)}

/* ============================================================
   COMMENTS
   ============================================================ */
.comments{max-width:980px;margin:64px auto 0}
.comments h3,.comments-title{font-size:22px;font-weight:700;margin-bottom:22px;display:flex;align-items:center;gap:10px}
.comments h3 .hash{font-family:var(--font-mono);color:var(--accent)}
.comment-list{margin:0}
.comment-body{display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--border)}
.comment-list .children{margin-left:40px}
.comment-author{flex-shrink:0}
.comment-author img{width:44px;height:44px;border-radius:50%}
.comment-meta{display:flex;align-items:center;gap:10px;margin-bottom:4px;flex-wrap:wrap}
.comment-author .fn{font-weight:700;font-size:14.5px;font-style:normal}
.comment-metadata,.comment-meta time{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.comment-content{color:var(--text-2);font-size:14.5px}
.comment-content p{margin:0 0 8px}
.reply a{font-size:12.5px;color:var(--accent);font-family:var(--font-mono);margin-top:6px;display:inline-block}
.bypostauthor>.comment-body .fn::after{content:" · Tác giả";color:var(--accent);font-weight:400;font-family:var(--font-mono);font-size:12px}
.comment-respond{margin-top:24px}
.comment-form{display:grid;gap:14px;margin-top:16px}
.comment-form p{margin:0}
.comment-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-family:var(--font-mono)}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;outline:none;transition:var(--transition)}
.comment-form textarea{min-height:120px;resize:vertical}
.comment-form input:focus,.comment-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.comment-form .form-submit input{cursor:pointer;font-weight:700;background:var(--accent-grad);color:#06231f;border:none;padding:13px 26px;border-radius:9px;width:auto}
html[data-theme="light"] .comment-form .form-submit input{color:#fff}

/* ============================================================
   WIDGETS / SIDEBAR
   ============================================================ */
.widget{margin-bottom:32px}
.widget-title{font-size:14px;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em;font-family:var(--font-mono)}
.widget ul li{padding:6px 0;border-bottom:1px solid var(--border)}
.widget ul li a:hover{color:var(--accent)}
.widget select{width:100%;padding:10px;border-radius:8px;background:var(--surface);border:1px solid var(--border);color:var(--text)}

/* ============================================================
   FOOTER
   ============================================================ */
footer.site{border-top:1px solid var(--border);margin-top:64px;padding:54px 0 28px;background:var(--bg-2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.foot-grid h5,.foot-grid .widget-title{font-size:14px;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em;font-family:var(--font-mono);color:var(--text)}
.foot-grid a{display:block;color:var(--text-2);font-size:14px;padding:5px 0;transition:var(--transition)}
.foot-grid a:hover{color:var(--accent);transform:translateX(3px)}
.foot-grid ul li{border:none;padding:0}
.foot-about p{color:var(--text-2);font-size:14px;margin:12px 0 0;max-width:280px}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);flex-wrap:wrap;gap:12px}
.foot-bottom .mono{font-family:var(--font-mono)}

/* ============================================================
   PAGE / 404
   ============================================================ */
.page-hero{padding:48px 0 8px;max-width:760px}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em}
.error-404{text-align:center;padding:80px 0}
.error-404 .code{font-family:var(--font-mono);font-size:120px;font-weight:800;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.error-404 p{color:var(--text-2);margin:16px 0 28px;font-size:18px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:920px){
  .featured-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .about-new{grid-template-columns:1fr;gap:28px}
  .profile-card{position:static;max-width:340px;margin:0 auto}
  .lead-post{grid-template-columns:1fr}
  .lead-post .thumb{min-height:220px}
  .art-layout{grid-template-columns:1fr}
  .toc{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  nav.menu{position:fixed;inset:68px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--border);padding:14px;transform:translateY(-130%);transition:transform var(--transition)}
  nav.menu.open{transform:translateY(0)}
  nav.menu ul{flex-direction:column;align-items:stretch;gap:4px}
  nav.menu ul ul{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:14px}
  nav.menu a{padding:13px 16px;border-radius:10px}
  .menu-toggle{display:grid}
  .post-grid,.rel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .newsletter{padding:32px 20px}
  .nl-form{flex-direction:column}
  .article{font-size:17px}
  .author-box{flex-direction:column;text-align:center}
  .comment-list .children{margin-left:18px}
}