/* Khám phá — hero "tạp chí giấy" */
.kp-hero{--kp-bg:#F4EDE0;--kp-dot:#e4d9c6;--kp-ink:#1c4533;--kp-muted:#4a5c50;--kp-acc:#C2410C;--kp-card:#fff;
  background:var(--kp-bg);background-image:radial-gradient(var(--kp-dot) 1px,transparent 1px);background-size:22px 22px;color:var(--kp-ink);padding-bottom:2.75rem;border-bottom:1px solid #e2d7c3}
.dark .kp-hero{--kp-bg:#17201b;--kp-dot:#26332b;--kp-ink:#eef0e6;--kp-muted:#b9c4b2;--kp-acc:#ff8a50;--kp-card:#1f2a23;border-bottom-color:#2a372f}
.kp-hero nav[aria-label="Đường dẫn"]{color:var(--kp-muted)}
.kp-top{display:grid;gap:1.25rem 3rem;align-items:end;margin:2rem 0 2.25rem}
@media(min-width:900px){.kp-top{grid-template-columns:1fr minmax(0,30rem)}}
.kp-eb{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--kp-acc);margin-bottom:.6rem}
.kp-h1{font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:700;font-size:clamp(3.6rem,2rem + 7vw,9rem);line-height:.92;letter-spacing:-.01em;color:var(--c,var(--kp-ink))}
.dark .kp-cat .kp-h1{filter:brightness(1.6) saturate(.9)}
.kp-cat .kp-h1{font-size:clamp(3.2rem,2rem + 5vw,7rem)}
.kp-sub{font-family:Lora,Georgia,serif;font-style:italic;font-size:clamp(1.4rem,1rem + 1.4vw,2.2rem);margin-top:.35rem;color:var(--kp-muted)}
.kp-sub em{color:var(--kp-acc)}
.kp-lede{font-size:1.125rem;line-height:1.6;color:var(--kp-muted);border-left:3px solid var(--kp-acc);padding-left:1.25rem}
.kp-meta{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.9rem;font-size:.9rem;font-weight:600}
.kp-meta a{color:var(--kp-muted);text-decoration:none;padding:.35rem .8rem;border-radius:99px;border:1px solid transparent}
.kp-meta a span{opacity:.7;font-weight:500;margin-left:.2rem}
.kp-meta a[aria-current]{color:var(--kp-ink);border-color:currentColor}
.kp-meta a:hover{color:var(--kp-ink)}
.kp-tiles{--gap:.9rem;display:flex;gap:var(--gap);overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;margin:-.5rem -.5rem 0;padding:.5rem .5rem 1rem;scroll-padding-inline:.5rem}
.kp-tiles::-webkit-scrollbar{display:none}
.kp-tiles>.kp-ti{flex:0 0 calc((100% - 5 * var(--gap)) / 6);scroll-snap-align:start}
.kp-arrows{display:flex;gap:.5rem}
.kp-arr{width:2.75rem;height:2.75rem;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--kp-ink);background:transparent;color:var(--kp-ink);cursor:pointer;transition:background .2s,color .2s,opacity .2s}
.kp-arr svg{width:1.15rem;height:1.15rem}
.kp-arr:hover:not(:disabled){background:var(--kp-ink);color:var(--kp-bg)}
.kp-arr[data-kp-next]:not(:disabled){background:var(--kp-ink);color:var(--kp-bg)}
.kp-arr[data-kp-next]:not(:disabled):hover{background:var(--kp-acc);border-color:var(--kp-acc);color:#fff}
.kp-arr:disabled{opacity:.3;cursor:default}
.kp-arr:focus-visible{outline:3px solid var(--kp-acc);outline-offset:2px}
.kp-ti{display:flex;flex-direction:column;border-radius:14px;overflow:hidden;background:var(--kp-card);text-decoration:none;
  box-shadow:0 10px 24px -14px rgba(40,30,10,.4);transition:transform .2s ease,box-shadow .2s ease,opacity .2s}
.kp-ti:hover{transform:translateY(-4px);box-shadow:0 18px 30px -16px rgba(40,30,10,.5)}
.kp-ti:focus-visible{outline:3px solid var(--kp-acc);outline-offset:3px}
.kp-im{display:block;aspect-ratio:1/1;overflow:hidden}
.kp-im img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.kp-ti:hover .kp-im img{transform:scale(1.05)}
.kp-bd{flex:1;display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.8rem 1rem;min-height:4.4rem;background:var(--c);color:#fff}
.kp-bd b{font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-size:1.35rem;line-height:1.05}
.kp-bd small{font-size:.78rem;opacity:.85;white-space:nowrap}
/* trang chủ đề: thẻ đang chọn nổi, thẻ khác nhỏ lại */
.kp-cat .kp-im{aspect-ratio:4/3}
.kp-cat .kp-ti:not(.is-on){opacity:.72}
.kp-cat .kp-ti:not(.is-on):hover{opacity:1}
.kp-ti.is-on{outline:3px solid var(--c);outline-offset:3px;opacity:1}
@media(max-width:1023px){
  .kp-tiles{margin:0 -1.25rem;padding:.5rem 1.25rem 1rem;scroll-padding-inline:1.25rem}
  .kp-tiles>.kp-ti{flex:0 0 10rem}
  .kp-cat .kp-tiles>.kp-ti{flex-basis:9rem}
  .kp-bd{flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:.15rem}
  .kp-bd b{font-size:1.2rem}
}
@media(prefers-reduced-motion:reduce){.kp-ti,.kp-im img{transition:none}.kp-tiles{scroll-behavior:auto}}
.kp-cd .kp-bd b{white-space:nowrap}
/* Khám phá: khối Chuyên đề (bấm để mở danh sách bài) */
.cd-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
.cd-head p{color:var(--ink-muted);max-width:34rem;font-size:.95rem}
.cd-box{margin-top:1.75rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--paper-raised,#fff)}
.dark .cd-box{background:#ffffff08}
.cd-box summary{list-style:none;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);cursor:pointer}
.cd-box summary::-webkit-details-marker{display:none}
.cd-box summary:focus-visible{outline:3px solid #fd5100;outline-offset:-3px}
.cd-im{position:relative;min-height:19rem;overflow:hidden;background:#e9e2d4}
.cd-im img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cd-box summary:hover .cd-im img{transform:scale(1.03)}
.cd-no{position:absolute;left:1rem;top:1rem;background:#1c4533;color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.3rem .65rem;border-radius:99px}
.cd-tx{display:flex;flex-direction:column;gap:.6rem;padding:1.8rem 2rem}
.cd-k{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#c2410c}
.cd-t{font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:700;font-size:clamp(1.9rem,3vw,2.5rem);line-height:1.05;color:var(--heading)}
.cd-d{color:var(--ink-muted);line-height:1.6}
.cd-list{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-top:.3rem}
.cd-list span{display:flex;gap:.7rem;align-items:baseline;padding:.5rem 0;border-bottom:1px solid var(--line);font-size:.9rem;color:var(--ink)}
.cd-list em{font-style:normal;font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:700;color:#fd5100;min-width:.8rem}
.cd-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:.4rem;margin-top:.4rem;background:#1c4533;color:#fff;font-weight:600;font-size:.9rem;padding:.6rem 1rem;border-radius:10px}
.cd-btn svg{transition:transform .25s}
.cd-btn .c{display:none}
.cd-box[open] .cd-btn{background:transparent;color:var(--heading);border:1.5px solid var(--line)}
.cd-box[open] .cd-btn .o{display:none}.cd-box[open] .cd-btn .c{display:inline}
.cd-box[open] .cd-btn svg{transform:rotate(180deg)}
.cd-box[open] .cd-list{display:none}
.cd-body{border-top:1px solid var(--line);padding:1.5rem 2rem 1.75rem;background:var(--paper-sunken,#f3eee3);animation:cd-in .3s ease}
.dark .cd-body{background:#0000001a}
@keyframes cd-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.cd-arts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem}
.cd-art{display:flex;flex-direction:column;height:100%;background:var(--paper-raised,#fff);border:1px solid var(--line);border-radius:14px;overflow:hidden;color:inherit;transition:transform .2s,box-shadow .2s}
.dark .cd-art{background:#ffffff0a}
.cd-art:hover{transform:translateY(-3px);box-shadow:0 16px 30px -22px rgba(28,69,51,.5)}
.cd-art .im{position:relative;aspect-ratio:16/10;overflow:hidden}
.cd-art .im img{width:100%;height:100%;object-fit:cover}
.cd-art .im i{position:absolute;left:.7rem;top:.7rem;width:2rem;height:2rem;border-radius:50%;background:#fd5100;color:#fff;display:grid;place-items:center;font-style:normal;font-weight:700;font-size:.85rem;border:2px solid #fff}
.cd-art .bd{display:flex;flex-direction:column;gap:.35rem;padding:.9rem 1rem 1rem;flex:1}
.cd-art small{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#c2410c}
.cd-art b{font-size:1.05rem;line-height:1.35;color:var(--heading)}
.cd-art .ex{font-size:.85rem;color:var(--ink-muted);line-height:1.55}
.cd-art .mt{margin-top:auto;padding-top:.5rem;font-size:.78rem;color:var(--ink-subtle)}
.cd-more{display:inline-block;margin-top:1.1rem;font-weight:600;color:var(--heading);border-bottom:1.5px solid #fd5100}
.cd-more:hover{color:#c2410c}
@media(max-width:899px){.cd-box summary{grid-template-columns:1fr}.cd-im{min-height:13rem}.cd-tx{padding:1.3rem}.cd-body{padding:1.2rem}.cd-arts{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.cd-body{animation:none}.cd-im img,.cd-art,.cd-btn svg{transition:none}}

/* "Tất cả bài viết" nằm dưới 6 thẻ chủ đề */
.kp-nav{display:flex;flex-direction:column}
.kp-nav .kp-tiles{order:1}
.kp-nav .kp-meta{order:2;margin:.15rem 0 0}