:root{--art-green:#5bbd85;--art-green-bg:rgba(91,189,133,.1);--art-green-bd:rgba(91,189,133,.28);}
.reading-bar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--purple-lt),var(--purple));z-index:60;transition:width .1s}
.art-shell{max-width:1280px;margin:0 auto;padding:100px 24px 80px;display:grid;grid-template-columns:230px minmax(0,1fr) 320px;gap:40px;align-items:start}
.art-toc-col{position:sticky;top:88px}
.art-main{min-width:0;max-width:820px}
/* เมื่อไม่มีสารบัญ (บทความไม่มีหัวข้อ ##) → ยุบคอลัมน์ซ้าย เนื้อหาจัดกลาง */
.art-shell.no-toc{grid-template-columns:minmax(0,1fr) 320px}
.art-shell.no-toc .art-toc-col{display:none}
.art-shell.no-toc .art-main{margin-inline:auto}
.art-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}

/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:.82rem;color:#9ba7a0;margin-bottom:20px}
.crumb a{color:#9ba7a0}.crumb a:hover{color:var(--purple-lt)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--text-muted)}

/* header block */
.art-cat{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--purple-lt);background:rgba(216,180,137,.1);border:1px solid rgba(216,180,137,.22);padding:4px 12px;border-radius:6px;margin-bottom:16px}
.art-h1{font-size:clamp(1.9rem,4.6vw,3.1rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--text);margin-bottom:18px}
.art-excerpt{font-size:clamp(1.02rem,2.2vw,1.18rem);line-height:1.75;color:#a7b1ac;margin-bottom:22px}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:.85rem;color:#7c8b83;padding-bottom:22px;border-bottom:1px solid var(--border)}
.art-meta .m-author{display:flex;align-items:center;gap:9px;color:var(--text);font-weight:600}
.art-meta .m-author .av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--purple-lt),var(--purple));display:flex;align-items:center;justify-content:center;color:#211809;font-weight:800;font-size:.75rem}
.art-meta .dot{opacity:.4}
.art-share{display:flex;gap:8px;margin-left:auto}
.art-share a{width:30px;height:30px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:.18s}
.art-share a:hover{border-color:var(--purple-lt);color:var(--purple-lt)}
.art-share svg{width:15px;height:15px}

/* hero */
.art-hero{margin:26px 0;border-radius:18px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--border);background:var(--bg2)}
.art-hero img{width:100%;height:100%;object-fit:cover;display:block}

/* TL;DR */
.tldr{background:var(--art-green-bg);border:1px solid var(--art-green-bd);border-radius:14px;padding:20px 22px;margin:26px 0}
.tldr-head{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--art-green);font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
.tldr-head svg{width:17px;height:17px}
.tldr-body{color:#ccd5cf;font-size:.98rem;line-height:1.75}
.tldr-body p{margin:6px 0}

/* ไทม์ไลน์อัปเดต สไตล์ live-blog: ใหม่สุดบนสุด */
.tl-feed{margin:26px 0}
.tl-feed-head{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--purple-lt);font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.tl-feed-head svg{width:16px;height:16px}
.tl-feed-head .cnt{color:var(--text-dim);font-weight:600;text-transform:none;letter-spacing:0}
.tl-entry{position:relative;padding:16px 20px 16px 22px;margin-bottom:2px;border-left:2px solid var(--border)}
.tl-entry:first-child{border-left-color:var(--purple-lt)}
.tl-entry::before{content:"";position:absolute;left:-5px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--border)}
.tl-entry:first-child::before{background:var(--purple-lt);box-shadow:0 0 0 3px rgba(216,180,137,.18)}
.tl-entry-date{font-size:.74rem;color:var(--text-dim);font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.tl-entry:first-child .tl-entry-date{color:var(--purple-lt)}
.tl-entry-badge{display:inline-block;font-size:.62rem;font-weight:800;letter-spacing:.06em;background:rgba(216,180,137,.15);color:var(--purple-lt);padding:2px 8px;border-radius:100px}
.tl-entry-body{color:#cabfae;font-size:.94rem;line-height:1.7}
.tl-entry-body p{margin:6px 0}
.tl-entry-src{margin-top:8px;font-size:.78rem}
.tl-entry-src a{color:var(--purple-lt)}

/* TOC */
.toc-box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 8px 16px 16px}
.toc-title{display:flex;align-items:center;gap:8px;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}
.toc-title svg{width:15px;height:15px;color:var(--purple-lt)}
.toc-list{list-style:none;counter-reset:toc;max-height:70vh;overflow-y:auto}
.toc-list a{display:flex;gap:9px;padding:6px 8px;border-radius:7px;font-size:.83rem;color:var(--text-muted);line-height:1.4;transition:.15s;border-left:2px solid transparent}
.toc-list a .num{counter-increment:toc;color:var(--purple-lt);font-weight:700;font-size:.72rem;min-width:16px}
.toc-list a .num::before{content:counter(toc,decimal-leading-zero)}
.toc-list a.sub{padding-left:26px;font-size:.78rem}
.toc-list a.sub .num{display:none}
.toc-list a:hover{background:rgba(216,180,137,.05);color:var(--text)}
.toc-list a.active{color:var(--purple-lt);background:rgba(216,180,137,.08);border-left-color:var(--purple-lt)}

/* article content */
.art-content{color:#cabfae;line-height:1.9;font-size:1.12rem}
.art-content>*:first-child{margin-top:0}
.art-content h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:var(--text);line-height:1.25;margin:44px 0 16px;letter-spacing:-.01em;scroll-margin-top:88px}
.art-content h3{font-size:clamp(1.25rem,2.4vw,1.55rem);font-weight:700;color:var(--text);margin:32px 0 12px;scroll-margin-top:88px}
.art-content h4{font-size:1.1rem;font-weight:700;color:var(--text);margin:24px 0 10px}
.art-content p{margin:18px 0}
.art-content a{color:var(--purple-lt);text-decoration:underline;text-underline-offset:2px}
.art-content ul,.art-content ol{padding-left:26px;margin:18px 0}
.art-content li{margin:9px 0}
.art-content li::marker{color:var(--purple-lt)}
.art-content strong{color:var(--text);font-weight:700}
.art-content img{max-width:100%;height:auto;border-radius:12px;margin:24px 0;border:1px solid var(--border)}
.art-content hr{border:none;border-top:1px solid var(--border);margin:36px 0}
.art-content code{background:var(--bg2);border:1px solid var(--border);padding:2px 7px;border-radius:5px;font-size:.86em;color:var(--purple-lt);font-family:'JetBrains Mono',monospace}
.art-content pre{background:#0a0806;border:1px solid var(--border);border-radius:12px;padding:20px;overflow-x:auto;margin:22px 0}
.art-content pre code{background:none;border:none;padding:0;color:#e2ddd2}
.art-content blockquote{border-left:3px solid var(--purple-lt);background:rgba(216,180,137,.05);border-radius:0 12px 12px 0;padding:16px 22px;margin:24px 0;font-size:1.15rem;font-style:italic;color:#d8cfc0}
.art-content ul.task-list{list-style:none;padding-left:0}
.art-content ul.task-list li{position:relative;padding-left:32px;margin:11px 0}
.art-content ul.task-list li::before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;border:1.5px solid var(--border)}
.art-content ul.task-list li.done::before{background:var(--art-green);border-color:var(--art-green)}
.art-content ul.task-list li.done::after{content:"✓";position:absolute;left:4px;top:1px;color:#0a0806;font-weight:800;font-size:.82rem}
.callout{border:1px solid var(--border);border-left-width:3px;border-radius:0 12px 12px 0;padding:14px 18px;margin:24px 0;background:var(--bg2)}
.callout-label{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.08em;margin-bottom:6px}
.callout-body{color:#cabfae;font-size:1rem;line-height:1.7}
.callout-body>*:first-child{margin-top:0}.callout-body>*:last-child{margin-bottom:0}
.callout-tip{border-left-color:var(--art-green);background:var(--art-green-bg)}
.callout-tip .callout-label{color:var(--art-green)}
.callout-important{border-left-color:#e8c66a;background:rgba(232,198,106,.08)}
.callout-important .callout-label{color:#e8c66a}
.callout-warning{border-left-color:#e0975f;background:rgba(224,151,95,.08)}
.callout-warning .callout-label{color:#e0975f}
.callout-note{border-left-color:#7fb0e6;background:rgba(127,176,230,.08)}
.callout-note .callout-label{color:#7fb0e6}
.callout-info{border-left-color:var(--purple-lt);background:rgba(216,180,137,.06)}
.callout-info .callout-label{color:var(--purple-lt)}

/* author box */
.author-box{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;margin:48px 0 0}
.av-logo{background:#141109 !important;border:1px solid rgba(216,180,137,.28)}
.av-logo img{width:62%;height:auto;display:block}
.author-box .ab-av{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--purple-lt),var(--purple));display:flex;align-items:center;justify-content:center;color:#211809;font-weight:800;font-size:1.1rem;flex-shrink:0}
.author-box .ab-name{font-weight:700;color:var(--text)}
.author-box .ab-role{font-size:.82rem;color:var(--text-muted);margin-top:2px}
.author-box .ab-follow{display:flex;gap:8px;margin-left:auto}
.author-box .ab-follow a{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:.18s}
.author-box .ab-follow a:hover{border-color:var(--purple-lt);color:var(--purple-lt)}
.author-box .ab-follow svg{width:16px;height:16px}

/* source */
.post-source{margin-top:28px;padding:14px 18px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;font-size:.9rem;color:var(--text-muted)}
.post-source a{color:var(--purple-lt);font-weight:600}

/* tags */
.art-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.art-tag{padding:5px 13px;border-radius:100px;border:1px solid var(--border);background:var(--bg2);font-size:.76rem;color:var(--text-muted)}

/* related */
.related-wrap{margin-top:56px;padding-top:36px;border-top:1px solid var(--border)}
.related-wrap h3{font-size:1.2rem;font-weight:800;color:var(--text);margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rc{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:.18s;display:block}
.rc:hover{border-color:var(--purple-lt);transform:translateY(-3px)}
.rc-img{aspect-ratio:16/9;background:var(--bg2);overflow:hidden}
.rc-img img{width:100%;height:100%;object-fit:cover}
.rc-body{padding:14px}
.rc-cat{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--purple-lt);margin-bottom:6px}
.rc-title{font-size:.9rem;font-weight:600;color:var(--text);line-height:1.4}

/* sidebar widgets */
.wgt{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}
.wgt-title{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:14px}
.wgt-search{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:11px 14px}
.wgt-search input{flex:1;background:none;border:none;outline:none;color:var(--text);font-family:inherit;font-size:.86rem}
.wgt-search svg{width:16px;height:16px;color:var(--text-dim)}
.cat-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:.86rem;color:var(--text-muted);border-bottom:1px solid var(--border)}
.cat-row:last-child{border-bottom:none}
.cat-row:hover{color:var(--purple-lt)}
.cat-row .cnt{font-size:.72rem;color:var(--text-dim);background:var(--bg2);padding:1px 8px;border-radius:100px}
.pop-item{display:flex;gap:11px;padding:9px 0;border-bottom:1px solid var(--border)}
.pop-item:last-child{border-bottom:none}
.pop-thumb{width:54px;height:40px;border-radius:7px;background:var(--bg2);overflow:hidden;flex-shrink:0}
.pop-thumb img{width:100%;height:100%;object-fit:cover}
.pop-info{min-width:0}
.pop-info .t{font-size:.8rem;font-weight:600;color:var(--text);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pop-info .v{font-size:.7rem;color:var(--text-dim);margin-top:3px}
.short-item{display:flex;gap:11px;padding:8px 0;align-items:center}
.short-item .st{width:42px;height:56px;border-radius:7px;overflow:hidden;flex-shrink:0;background:var(--bg2);position:relative}
.short-item .st img{width:100%;height:100%;object-fit:cover}
.short-item .st .pl{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff}
.short-item .stt{font-size:.8rem;font-weight:600;color:var(--text);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wgt-cta{background:linear-gradient(150deg,rgba(216,180,137,.12),var(--card));border-color:rgba(216,180,137,.2)}
.wgt-cta h4{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:6px}
.wgt-cta p{font-size:.82rem;color:var(--text-muted);line-height:1.6;margin-bottom:14px}
.wgt-cta .btn{width:100%;justify-content:center}
.nl-input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-family:inherit;font-size:.84rem;margin-bottom:10px;outline:none}
.nl-input:focus{border-color:var(--purple-lt)}
.nl-note{font-size:.68rem;color:var(--text-dim);text-align:center;margin-top:8px}

/* back link */
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:.85rem;transition:.18s}
.back-link:hover{color:var(--purple-lt)}

/* responsive */
@media(max-width:1140px){
  .art-shell,.art-shell.no-toc{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .art-toc-col{display:none}
}
@media(max-width:900px){
  /* .no-toc มี specificity สูงกว่า .art-shell เฉยๆ ต้องระบุคู่กันตรงนี้ทุกจุด ไม่งั้นบทความที่ไม่มีสารบัญ (เช่นข่าวสั้น) จะไม่ยุบเป็นคอลัมน์เดียวบนมือถือ sidebar เลยไปทับเนื้อหาแทน */
  .art-shell,.art-shell.no-toc{grid-template-columns:1fr;gap:0}
  .art-side{position:static;flex-direction:column;margin-top:48px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .art-shell{padding:84px 18px 60px}
  .related-grid{grid-template-columns:1fr}
  .art-share{margin-left:0;width:100%}
  .author-box .ab-follow{margin-left:0;width:100%;margin-top:8px}
}
.art-content a>img{cursor:pointer;transition:opacity .2s}.art-content a:hover>img{opacity:.88}
.art-content a:has(>img){text-decoration:none}