/* Lavie — giấy ngà, mực đen, đỏ son biển hiệu, vàng biển số */
:root {
  --paper: #f2ede2;
  --paper-2: #e7e0d0;
  --ink: #15130f;
  --ink-2: #4a4439;
  --muted: #6e6658;
  --line: #cbc1ad;
  --red: #c4351f;
  --red-ink: #fff6ee;
  --yellow: #e6b23a;
  --green: #22302a;
  --display: Anton, "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Roboto Mono", monospace;
  --gut: clamp(16px, 4vw, 48px);
  --max: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--body); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--red); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; font-family: var(--display); font-weight: 400; letter-spacing: 0; line-height: 1.15; margin: 0 0 .4em; }
h1 { font-size: clamp(44px, 8vw, 104px); text-transform: uppercase; }
h2 { font-size: clamp(30px, 4vw, 48px); text-transform: uppercase; }
h3 { font-size: 26px; }
p { margin: 0 0 1em; text-wrap: pretty; }
.num, .filter-count, .label-row, time { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }
.kicker, .label-row, .tag, .filters label, .crumbs, .foot-h, .ticker { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; }
.kicker { color: #a72c18; margin-bottom: .8em; font-weight: 500; }

/* dải chữ chạy */
.ticker { background: var(--ink); color: var(--paper); overflow: hidden; white-space: nowrap; padding: 7px 0; }
.ticker-track { display: inline-block; animation: run 60s linear infinite; }
.ticker span { padding-right: 2em; }
@keyframes run { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* đầu trang */
.site-head { display: flex; align-items: center; gap: 24px; padding: 18px var(--gut); border-bottom: 2px solid var(--ink); max-width: none; position: sticky; top: 0; background: var(--paper); z-index: 5; }
.logo { font-family: var(--display); font-size: 34px; line-height: 1; text-decoration: none; margin: 0; }
.logo sup { font-family: var(--mono); font-size: 11px; color: var(--red); margin-left: 3px; vertical-align: top; }
.nav { display: flex; gap: 22px; margin-left: auto; font-weight: 500; font-size: 15px; }
.nav a { text-decoration: none; }
.nav a[aria-current] { color: var(--red); text-decoration: underline; text-decoration-thickness: 2px; }

/* nút */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 2px solid var(--ink); font: 500 15px/1 var(--body); text-decoration: none; cursor: pointer; background: transparent; color: var(--ink); transition: transform .12s ease-out; }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); color: inherit; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { color: var(--paper); box-shadow: 4px 4px 0 var(--red); }
.btn-red { background: var(--red); border-color: var(--red); color: var(--red-ink); }
.btn-red:hover { color: var(--red-ink); }
.btn-paper { background: var(--paper); }
.btn-line { background: transparent; }
.head-cta { min-height: 40px; font-size: 14px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-row.center { justify-content: center; padding: 0 var(--gut) 80px; }
.cta-col { display: grid; gap: 10px; margin-top: 20px; }

/* khung */
main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.hero { padding: clamp(48px, 8vw, 110px) 0 56px; border-bottom: 2px solid var(--ink); }
.hero h1 { max-width: 13ch; }
.hero-mark { display: block; font-family: var(--body); font-weight: 700; text-transform: none; font-size: clamp(18px, 2vw, 24px); line-height: 1.4; background: var(--yellow); width: fit-content; padding: 2px 10px; margin-top: 18px; transform: rotate(-1.2deg); }
.hero-lede { max-width: 56ch; font-size: 19px; color: var(--ink-2); margin: 24px 0 32px; }
.page-head { padding: clamp(40px, 6vw, 80px) 0 32px; border-bottom: 2px solid var(--ink); margin-bottom: 32px; }
.page-head p:not(.kicker) { max-width: 60ch; color: var(--ink-2); font-size: 18px; }
.block { padding: 64px 0; border-bottom: 1px solid var(--line); }
.block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.block-head a { font-family: var(--mono); font-size: 13px; text-transform: uppercase; }

/* bốn loại */
.cats { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 2px solid var(--ink); }
.cat { display: grid; gap: 6px; align-content: start; padding: 22px 20px 26px; text-decoration: none; border-right: 1px solid var(--ink); min-height: 220px; }
.cat:last-child { border-right: 0; }
.cat-n { font-family: var(--mono); font-size: 13px; }
.cat-name { font-family: var(--display); font-size: 30px; line-height: 1.1; text-transform: uppercase; margin-top: 18px; }
.cat-note { font-size: 15px; }
.cat-count { font-family: var(--mono); font-size: 12px; text-transform: uppercase; margin-top: auto; padding-top: 12px; }
.cat:hover { color: inherit; filter: brightness(.96); }

/* sắc màu theo tem */
.tone-0 { background: var(--paper-2); }
.tone-1 { background: var(--red); color: var(--red-ink); }
.tone-2 { background: var(--yellow); }
.tone-3 { background: var(--green); color: var(--paper); }

/* thẻ shop = tem mác */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.card { border: 2px solid var(--ink); background: var(--paper); transition: transform .15s ease-out; }
.card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); }
.card-link { display: grid; text-decoration: none; color: inherit; height: 100%; grid-template-rows: auto 1fr; }
.card-link:hover { color: inherit; }
.card-photo { aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; border-bottom: 2px solid var(--ink); }
.card-photo img { width: 100%; height: 100%; object-fit: cover; }
.card.tone-0 .card-photo { background: var(--paper-2); }
.card.tone-1 .card-photo { background: var(--red); color: var(--red-ink); }
.card.tone-2 .card-photo { background: var(--yellow); }
.card.tone-3 .card-photo { background: var(--green); color: var(--paper); }
.card[class*="tone-"] { background: var(--paper); color: var(--ink); }
.card-sign { font-family: var(--display); font-size: clamp(34px, 3.2vw, 44px); line-height: 1.05; text-transform: uppercase; text-align: center; padding: 0 18px; overflow-wrap: anywhere; }
.card-label { padding: 14px 16px 16px; display: flex; flex-direction: column; }
.card-label h3 { margin: 8px 0 6px; }
.card-desc { font-size: 15px; color: var(--ink-2); margin: 0 0 14px; }
.label-row { display: flex; justify-content: space-between; gap: 10px; margin: 0; color: var(--muted); }
.label-foot { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line); }

/* bài */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card a { display: block; text-decoration: none; color: inherit; }
.post-card a:hover h3 { color: var(--red); }
.post-card img, .post-cover-blank { aspect-ratio: 3 / 2; width: 100%; object-fit: cover; border: 2px solid var(--ink); margin-bottom: 14px; }
.post-cover-blank { display: grid; place-items: center; background: var(--paper-2); font-family: var(--display); font-size: 32px; text-transform: uppercase; color: var(--ink-2); }
.post-big { grid-column: span 2; }
.post-big h3 { font-size: 40px; }
.post-big .post-cover-blank { background: var(--ink); color: var(--paper); font-size: 48px; }

/* dải tối */
.band { background: var(--ink); color: var(--paper); margin: 0 calc(50% - 50vw); padding: 72px var(--gut); }
.band > div { max-width: var(--max); margin: 0 auto; }
.band .kicker { color: var(--yellow); }
.band p:not(.kicker) { max-width: 52ch; color: #d9d2c3; }
.join { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; border-bottom: 0; }
.join p { max-width: 54ch; color: var(--ink-2); margin: 0; }

/* sắp có */
.soon { border: 2px dashed var(--ink); padding: 32px; max-width: 720px; background: var(--paper); }
.soon h2 { font-size: 30px; text-transform: none; }
.soon p:not(.kicker) { color: var(--ink-2); }

/* lọc */
.filters { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.filters label { display: grid; gap: 6px; color: var(--muted); }
.filters select { font: 500 15px var(--body); color: var(--ink); background: var(--paper); border: 2px solid var(--ink); min-height: 44px; padding: 0 36px 0 12px; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2315130f' stroke-width='2'/%3E%3C/svg%3E"); background-position: right 12px center; background-repeat: no-repeat; }
.filter-count { margin: 0 0 10px auto; font-family: var(--mono); font-size: 13px; text-transform: uppercase; }
.empty-filter { padding: 32px 0; font-size: 18px; }

/* hồ sơ shop */
.crumbs { padding: 22px 0 0; color: var(--muted); }
.crumbs a { color: inherit; }
.shop { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 0 48px; padding-bottom: 80px; }
.shop-head { grid-column: 1 / -1; padding: 28px 0 32px; border-bottom: 2px solid var(--ink); margin-bottom: 36px; }
.shop-lede { font-size: 21px; max-width: 52ch; color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.tag { border: 1.5px solid var(--ink); padding: 4px 10px; background: var(--paper); }
.shop-facts { grid-column: 2; grid-row: 2; align-self: start; position: sticky; top: 100px; border: 2px solid var(--ink); padding: 20px; background: var(--paper-2); }
.shop-facts dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; }
.shop-facts dt { font-family: var(--mono); font-size: 12px; text-transform: uppercase; color: var(--ink-2); padding-top: 3px; }
.shop-facts dd { margin: 0; font-weight: 500; }
.shop-body { grid-column: 1; grid-row: 2; display: grid; gap: 32px; align-content: start; }
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery figure { margin: 0; }
.gallery figure:first-child { grid-column: 1 / -1; }
.gallery img { border: 2px solid var(--ink); width: 100%; }
.photo-wait { aspect-ratio: 16 / 9; border: 2px dashed var(--ink); display: grid; place-items: center; background: var(--paper-2); }
.photo-wait p { background: var(--paper); padding: 6px 12px; margin: 0; font-family: var(--mono); font-size: 13px; text-transform: uppercase; }
.lavie-says { margin: 0; border-left: 6px solid var(--red); padding: 8px 0 8px 22px; font-size: 20px; }

/* bài viết */
.article { max-width: 760px; margin: 0 auto; padding: 48px 0 80px; }
.article h1 { font-size: clamp(40px, 6vw, 76px); text-transform: none; }
.dek { font-size: 21px; color: var(--ink-2); }
.article-cover { border: 2px solid var(--ink); margin: 24px 0; }
.prose { font-size: 18px; }
.prose.narrow { max-width: 680px; padding-bottom: 80px; }
.prose h2 { font-size: 34px; margin-top: 1.4em; }
.prose h3 { margin-top: 1.2em; }
.prose blockquote { border-left: 4px solid var(--red); margin: 1.4em 0; padding-left: 18px; font-size: 21px; }
.prose figure { margin: 1.6em 0; }
.prose figcaption { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.prose a { color: var(--red); }

/* sưu tầm */
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; padding-bottom: 80px; }
.item { border: 2px solid var(--ink); background: var(--paper); color: var(--ink); }
.item-blank { aspect-ratio: 1; display: grid; place-items: center; font-family: var(--display); font-size: 56px; border-bottom: 2px solid var(--ink); }
.item.tone-1 .item-blank { background: var(--red); color: var(--red-ink); }
.item.tone-2 .item-blank { background: var(--yellow); }
.item.tone-3 .item-blank { background: var(--green); color: var(--paper); }
.item.tone-0 .item-blank { background: var(--paper-2); }
.item img { aspect-ratio: 1; object-fit: cover; border-bottom: 2px solid var(--ink); }
.item-body { padding: 16px; }
.item-body h3 { margin: 8px 0; }
.item-shop { font-size: 15px; }

/* tiêu chí, form */
.criteria { max-width: 760px; padding: 0 0 24px 1.2em; font-size: 19px; }
.criteria li { padding: 10px 0 10px 8px; border-bottom: 1px solid var(--line); }
.criteria li::marker { font-family: var(--display); color: var(--red); }
.apply { max-width: 860px; padding-bottom: 80px; }
.apply fieldset { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.apply fieldset[disabled] { opacity: .55; }
.apply label { display: grid; gap: 6px; font-weight: 500; font-size: 15px; }
.apply label.wide { grid-column: 1 / -1; }
.apply small { font-weight: 400; color: var(--muted); }
.apply input, .apply select, .apply textarea { font: 400 16px var(--body); border: 2px solid var(--ink); background: #fbf8f1; padding: 11px 12px; color: var(--ink); width: 100%; }
.apply .check { grid-template-columns: auto 1fr; align-items: start; font-weight: 400; }
.apply .check input { width: 20px; height: 20px; margin-top: 2px; }
.apply button { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.form-off { border: 2px solid var(--ink); background: var(--yellow); padding: 14px 16px; font-weight: 500; }
.field-err { color: #a72c18; font-weight: 500; }
.apply [aria-invalid="true"] { border-color: #a72c18; }
.form-status { grid-column: 1 / -1; margin: 0; font-weight: 500; }

/* chân trang */
.site-foot { background: var(--ink); color: var(--paper); padding: 56px var(--gut) 28px; margin-top: 0; }
.foot-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.foot-grid p { color: #d9d2c3; max-width: 44ch; }
.foot-grid a { display: block; text-decoration: none; padding: 4px 0; color: #e8e2d5; }
.foot-grid a:hover { color: var(--yellow); }
.foot-h { color: var(--yellow); margin: 0 0 10px; font-weight: 500; }
.logo-foot { font-size: 48px; color: var(--paper); }
.foot-small { max-width: var(--max); margin: 40px auto 0; font-family: var(--mono); font-size: 12px; color: #a49b8a; text-transform: uppercase; }

/* màn nhỏ */
@media (max-width: 900px) {
  .cats { grid-template-columns: 1fr 1fr; }
  .cat { min-height: 170px; border-bottom: 1px solid var(--ink); }
  .cat:nth-child(2n) { border-right: 0; }
  .posts { grid-template-columns: 1fr; }
  .post-big { grid-column: auto; }
  .shop { grid-template-columns: 1fr; }
  .shop-facts, .shop-body { grid-column: 1; grid-row: auto; position: static; }
  .shop-facts { margin-bottom: 32px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-head { flex-wrap: wrap; gap: 10px 16px; padding-top: 12px; padding-bottom: 12px; position: static; }
  .nav { order: 3; width: 100%; margin: 0; gap: 18px; overflow-x: auto; font-size: 15px; padding-bottom: 2px; }
  .head-cta { margin-left: auto; padding: 0 12px; }
  .logo { font-size: 28px; }
  .cats { grid-template-columns: 1fr; }
  .cat { border-right: 0; min-height: 0; }
  .cat-name { margin-top: 8px; }
  .apply fieldset { grid-template-columns: 1fr; }
  .filters label { flex: 1 1 140px; }
  .filters select { width: 100%; }
  .filter-count { width: 100%; margin: 0; }
  .post-big h3 { font-size: 30px; }
}

/* ---------- chuyển động: chỉ transform/opacity, tắt khi người dùng giảm chuyển động ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .22s; animation-timing-function: ease-out; }
.hero-line { display: block; overflow: hidden; padding: .22em 0 .06em; margin-top: -.22em; } /* chừa chỗ cho dấu tiếng Việt chồng trên chữ hoa */
.hero-line > span { display: block; }
.js .hero-line > span { transform: translateY(105%); animation: lineUp .7s ease-out forwards; }
.js .hero-line:nth-child(2) > span { animation-delay: .08s; }
.js .hero-line:nth-child(3) > span { animation-delay: .16s; }
.js .hero-mark { opacity: 0; animation: stampIn .35s ease-out .55s forwards; }
@keyframes lineUp { to { transform: none; } }
@keyframes stampIn { from { opacity: 0; transform: rotate(-1.2deg) scale(1.15); } to { opacity: 1; transform: rotate(-1.2deg); } }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease-out, transform .5s ease-out; transition-delay: calc(var(--i, 0) * 60ms); }
.js .reveal.in { opacity: 1; transform: none; }
.js .card.reveal.in { transition: opacity .5s ease-out, transform .15s ease-out; transition-delay: 0s; }
.card:hover { transform: translate(-3px, -3px) rotate(-.6deg); }
.card:nth-child(even):hover { transform: translate(-3px, -3px) rotate(.6deg); }
.card:active { transform: none; box-shadow: none; transition-duration: .08s; }
.ticker.paused .ticker-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  .js .hero-line > span { animation: none; transform: none; }
  .js .hero-mark { animation: none; opacity: 1; transform: rotate(-1.2deg); }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .card:hover, .card:nth-child(even):hover, .btn:hover { transform: none; }
}
@media print { .js .reveal { opacity: 1; transform: none; } .ticker { display: none; } }

/* Grok lượt 3: tương phản, vùng bấm ≥44px, dự phòng khi app.js không chạy */
.logo-foot sup { color: var(--yellow); }
.nav a { display: inline-flex; align-items: center; min-height: 44px; }
.head-cta { min-height: 44px; }
.foot-grid a { padding: 10px 0; }
.block-head a, .crumbs a { display: inline-flex; align-items: center; min-height: 44px; }
.js .reveal:not(.in) { animation: revealFallback .01s linear 2.5s forwards; }
@keyframes revealFallback { to { opacity: 1; transform: none; } }
.cf-turnstile { min-height: 65px; }

/* ảnh hồ sơ shop: khung cố định, không để ảnh dọc kéo dài trang */
.gallery img { aspect-ratio: 4 / 3; object-fit: cover; }
.gallery figure:not(:first-child) img { aspect-ratio: 1; }

.prose code { font-family: var(--mono); font-size: .9em; background: var(--paper-2); padding: 1px 5px; }

/* bảng, chú thích nguồn, Mua ở đâu */
.table-wrap { overflow-x: auto; margin: 1.4em 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 9px 12px; border-bottom: 1px solid var(--line, #d8d0bf); }
.prose th { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 2px solid var(--ink); }
.prose a.src { font-family: var(--mono); font-size: .62em; vertical-align: super; text-decoration: none; padding: 0 2px; color: var(--muted); }
.prose a.src:hover, .prose a.src:focus-visible { color: var(--red); text-decoration: underline; }
.disclose { font-family: var(--mono); font-size: 13px; color: var(--muted); border-top: 1px solid var(--ink); padding-top: 12px; margin-top: 2em; }
.buy { border: 2px solid var(--ink); padding: 18px 20px; margin: 2em 0; }
.buy h2 { margin: 0 0 6px; }
.buy-note { font-size: 14px; color: var(--muted); margin: 6px 0; }
.buy-list, .buy-items { list-style: none; padding: 0; margin: 12px 0; }
.buy-list li, .buy-items li { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 0; border-bottom: 1px dashed var(--ink); min-height: 44px; align-items: center; }
.buy-list span, .buy-items li span:last-child { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.buy-list a { font-weight: 700; color: var(--red); }