/* Khăn Diệp Anh — giao diện cho khách. Cam chủ đạo, nền hồng nhạt. */
:root{
  color-scheme:light;
  --bg:#FFF8F5; --pink:#FCE6E0; --surface:#FFFFFF;
  --orange:#E8692A; --orange-deep:#C4511A; --peach:#F9B48E;
  --ink:#3A3434; --muted:#7A6B68; --line:#F1D5CC;
  --on-primary:#FFFFFF; --on-ink:#F3E6E2;
  --ok:#2F7D4F; --err:#B42318;
  --display:"Lexend", system-ui, "Segoe UI", Roboto, sans-serif;
  --body:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}
.wrap{max-width:1140px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.2;text-wrap:balance;margin:0;color:var(--ink)}
h1{font-size:clamp(1.8rem,4.2vw,2.8rem)}
h2{font-size:clamp(1.45rem,3vw,2rem)}
h3{font-size:1.12rem;font-weight:600}
p{margin:0}
.eyebrow{font-family:var(--display);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);font-weight:600}
a{color:var(--orange-deep)}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}

/* header */
header.site{position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar{background:var(--orange);color:var(--on-primary);font-size:.86rem}
.topbar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 18px;padding-block:6px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:50px;height:50px;border-radius:10px;object-fit:cover}
.brand b{font-family:var(--display);font-size:1.12rem;color:var(--ink);letter-spacing:.02em;text-transform:uppercase}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 14px;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:500;white-space:nowrap}
.menu a:hover{color:var(--orange-deep)}
.menu a.active{background:var(--pink);color:var(--orange-deep);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:var(--on-primary);border:0;border-radius:999px;padding:11px 20px;font:600 .95rem var(--body);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--orange-deep)}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--orange)}
.btn.sm{padding:6px 14px;font-size:.86rem}
.count{background:var(--surface);color:var(--orange-deep);border-radius:999px;padding:0 7px;font-size:.8rem;min-width:20px;text-align:center}
.menu-row{display:none}
@media (max-width:860px){
  .nav .menu{display:none}
  .menu-row{display:block;border-top:1px solid var(--line)}
  .menu-row .menu{overflow-x:auto;padding-block:6px}
  .topbar .hide-sm{display:none}
}

/* thông báo */
.flash{padding:12px 16px;border-radius:12px;margin-block:16px;font-weight:500}
.flash.ok{background:#E7F4EC;color:var(--ok)}
.flash.err{background:#FDECEA;color:var(--err)}
.flash ul{margin:0;padding-left:18px}

/* chung */
.page{padding-block:28px 64px}
section{padding-block:56px}
.band{background:var(--pink)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:16px;margin-bottom:24px}
.sec-head p{color:var(--muted);max-width:56ch}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.lead{font-size:1.06rem;color:var(--muted);max-width:58ch;margin-top:12px}
.note{font-size:.88rem;color:var(--muted)}

/* trang chủ */
.banner{display:block;width:100%;max-width:100%;border-radius:18px;box-shadow:0 10px 30px rgba(196,81,26,.12)}
.hero-text{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:end;margin-top:28px}
.hero-text .cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media (max-width:820px){.hero-text{grid-template-columns:1fr}.hero-text .cta{justify-content:flex-start}}
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px}
.cat:hover{border-color:var(--orange)}
.cat .bar{height:8px;border-radius:999px;display:flex;overflow:hidden;margin-bottom:6px;background:var(--pink)}
.cat .bar i{flex:1}
.cat span{color:var(--muted);font-size:.9rem}

/* lưới sản phẩm */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tabs a{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 16px;font-weight:500;text-decoration:none}
.tabs a.on{background:var(--orange);color:var(--on-primary);border-color:var(--orange)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.media{aspect-ratio:16/10;max-width:100%;position:relative;background:var(--pink);overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.swatch{position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.2) 0 2px,transparent 2px 5px),repeating-linear-gradient(0deg,rgba(0,0,0,.05) 0 2px,transparent 2px 5px)}
.swatch.smooth{background-image:linear-gradient(135deg,rgba(255,255,255,.25),transparent 60%)}
.swatch.drape{background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 10px,rgba(0,0,0,.06) 10px 22px)}
.dots{position:absolute;left:14px;bottom:12px;display:flex;gap:6px}
.dots i{width:16px;height:16px;border-radius:50%;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .sum{color:var(--muted);font-size:.92rem}
.card .foot{margin-top:auto;padding-top:8px;display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.92rem}
.card .price{color:var(--orange-deep);font-weight:600}
.card .more{color:var(--muted)}
.empty{padding:40px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:16px}
@media (prefers-reduced-motion:no-preference){.card{transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(196,81,26,.12)}}

/* chi tiết sản phẩm */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
@media (max-width:820px){.detail{grid-template-columns:1fr}}
.detail .media{border-radius:18px;aspect-ratio:4/3}
.gallery{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery button{width:72px;height:56px;border-radius:10px;border:2px solid transparent;padding:0;overflow:hidden;cursor:pointer;background:var(--pink)}
.gallery button img{width:100%;height:100%;object-fit:cover;display:block}
.gallery button[aria-pressed="true"]{border-color:var(--orange)}
.colors{display:flex;gap:10px;flex-wrap:wrap}
.colors label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px 5px 5px;cursor:pointer;font-size:.9rem}
.colors input{position:absolute;opacity:0;pointer-events:none}
.colors i{width:24px;height:24px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.colors input:checked + label,.colors label:has(input:checked){border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}
.colors input:focus-visible + i{outline:2px solid var(--orange)}
.info{display:flex;flex-direction:column;gap:16px;min-width:0}
.info .price{font-family:var(--display);font-size:1.3rem;color:var(--orange-deep);font-weight:600}
.specs{display:grid;grid-template-columns:max-content 1fr;gap:8px 16px;margin:0;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.specs dt{color:var(--muted)}
.specs dd{margin:0}
.feats{margin:0;padding-left:20px;display:grid;gap:4px}
.buy{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:var(--surface);overflow:hidden}
.qty button{border:0;background:transparent;width:40px;height:42px;font-size:1.2rem;cursor:pointer;color:var(--ink)}
.qty input{width:64px;border:0;text-align:center;font:inherit;font-variant-numeric:tabular-nums;background:transparent;color:var(--ink)}
.desc{white-space:pre-line}

/* giới thiệu */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.about .text{display:grid;gap:14px;max-width:62ch}
@media (max-width:820px){.about{grid-template-columns:1fr}}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.values div{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.values p{color:var(--muted);margin-top:6px}
@media (max-width:820px){.values{grid-template-columns:1fr}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;border-top:3px solid var(--peach);padding-top:14px}
.steps li::before{content:counter(s);font-family:var(--display);font-size:1.6rem;font-weight:700;color:var(--orange);display:block}
.steps p{color:var(--muted);font-size:.95rem}
@media (max-width:820px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* liên hệ */
.contact{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0}
.contact div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;min-width:0}
.contact dt{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.contact dd{margin:4px 0 0;font-weight:600;overflow-wrap:anywhere}
@media (max-width:820px){.contact{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.contact{grid-template-columns:1fr}}
.quote{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media (max-width:820px){.quote{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;min-width:0}
.cart-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-block:10px;border-bottom:1px solid var(--line)}
.cart-item > span{min-width:0;display:flex;gap:8px;align-items:center}
.cart-item input{width:76px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;font-variant-numeric:tabular-nums}
.rm{border:1px solid var(--line);background:transparent;border-radius:999px;padding:5px 12px;font:500 .85rem var(--body);cursor:pointer;color:var(--muted)}
form.stack{display:grid;gap:12px}
.stack label{font-size:.88rem;color:var(--muted);display:grid;gap:4px}
.stack input,.stack select,.stack textarea{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

footer.site{background:var(--ink);color:var(--on-ink);font-size:.9rem}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:22px}
footer.site a{color:var(--on-ink)}
.zalo-float{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:6;box-shadow:0 8px 20px rgba(196,81,26,.35)}

/* ảnh danh mục */
.cat-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;display:block;margin-bottom:6px;background:var(--pink)}

/* tin tức */
.grid.posts{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.post-card .foot{justify-content:flex-end}
.pager{margin-top:24px}
.pager nav,.pager ul{display:flex;gap:10px;list-style:none;padding:0;margin:0}
.pager a,.pager span{display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink)}
.article{max-width:780px}
.article h1{margin-top:6px}
.article-cover{width:100%;border-radius:16px;margin-top:22px;display:block}
.prose{margin-top:22px;font-size:1.04rem;line-height:1.75}
.prose > * + *{margin-top:14px}
.prose h2{font-size:1.35rem;margin-top:28px}
.prose h3{font-size:1.12rem;margin-top:22px}
.prose img{border-radius:12px;height:auto}
.prose ul,.prose ol{padding-left:22px}
.prose blockquote{margin-left:0;padding-left:16px;border-left:3px solid var(--peach);color:var(--muted)}
.prose p{margin:0}
.article-cta{margin-top:36px;padding:20px;border-radius:16px;background:var(--pink);display:grid;gap:12px}

/* phóng to ảnh sản phẩm */
.zoom{position:absolute;inset:0;padding:0;border:0;background:none;cursor:zoom-in;overflow:hidden;display:block;width:100%}
.zoom img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .15s ease-out}
.zoom.zooming img{transform:scale(2.2)}
.zoom-hint{position:absolute;right:12px;bottom:12px;background:rgba(58,52,52,.75);color:#fff;font-size:.82rem;padding:5px 10px;border-radius:999px;pointer-events:none}
.zoom.zooming .zoom-hint{opacity:0}
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(20,16,16,.92);display:flex;align-items:center;justify-content:center;
  padding:calc(56px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(48px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));overflow:auto}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;cursor:zoom-in;user-select:none}
.lightbox img.big{max-width:none;max-height:none;width:auto;cursor:zoom-out;margin:auto}
.lb-btn{position:fixed;border:0;background:rgba(255,255,255,.15);color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.6rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb-btn:hover{background:rgba(255,255,255,.3)}
.lb-close{top:calc(12px + env(safe-area-inset-top,0px));right:calc(12px + env(safe-area-inset-right,0px));font-size:1.2rem}
.lb-prev{left:calc(12px + env(safe-area-inset-left,0px));top:50%;transform:translateY(-50%)}
.lb-next{right:calc(12px + env(safe-area-inset-right,0px));top:50%;transform:translateY(-50%)}
.lb-count{position:fixed;left:0;right:0;bottom:calc(14px + env(safe-area-inset-bottom,0px));text-align:center;color:#fff;font-size:.9rem;margin:0}
@media (hover:none){.zoom-hint{font-size:.78rem}}
@media (prefers-reduced-motion:reduce){.zoom img{transition:none}}

/* bản đồ cửa hàng */
.map-block{display:grid;grid-template-columns:1.6fr 1fr;gap:0;margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.map-frame{position:relative;min-height:340px;background:var(--pink)}
.map-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.map-info{padding:24px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;justify-content:center;min-width:0}
@media (max-width:820px){.map-block{grid-template-columns:1fr}.map-frame{min-height:280px}}

/* banner trượt */
.slider{position:relative;overflow:hidden;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.08);background:var(--pink)}
.slides{display:flex;transition:transform .5s ease}
.slide{flex:0 0 100%;min-width:0}
.slide img{display:block;width:100%;aspect-ratio:8/3;object-fit:cover}
.slide a{display:block}
.sl-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.85);color:var(--ink);font-size:1.6rem;line-height:1;cursor:pointer;display:grid;place-items:center;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.sl-btn:hover{background:#fff}
.sl-prev{left:12px}.sl-next{right:12px}
.sl-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}
.sl-dots button{width:10px;height:10px;border-radius:999px;border:0;padding:0;background:rgba(255,255,255,.7);box-shadow:0 0 0 1px rgba(0,0,0,.15);cursor:pointer;transition:width .2s}
.sl-dots button[aria-current="true"]{width:26px;background:var(--orange)}
@media (max-width:600px){.sl-btn{width:34px;height:34px;font-size:1.3rem}.slider{border-radius:12px}}
@media (prefers-reduced-motion:reduce){.slides{transition:none}}