/* Web đặt hàng sỉ HSC Station — cùng hệ UX với dathang.konni39.vn, màu theo logo HSC (xanh lá + xanh non). */
:root{
  color-scheme:light;
  --bg:#eef5f0; --app:#ffffff; --fg:#14201a; --mute:#59675f; --line:#dce6df; --chip:#f2f7f3;
  --brand-900:#06371c; --brand-700:#0a5129; --brand:#0e6d38; --brand-soft:#e5f2e9; --leaf:#73bf44; --on-brand:#fff;
  --gold:#ffcf3f; --red:#d33a2c; --red-soft:#fcebe8; --orange:#c76a0a; --orange-soft:#fff1df;
  --new:#6b45c2; --new-soft:#efe9fb; --blue:#2463c9; --blue-soft:#e6eefb;
  --f-head:"Plus Jakarta Sans",system-ui,"Segoe UI",sans-serif;
  --f-ui:Inter,"Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
  --cao-dau:150px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
img{max-width:100%}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--f-ui);font-size:14px;margin:0;line-height:1.45}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--f-head);letter-spacing:-.01em}

.app{max-width:560px;margin:0 auto;background:var(--app);min-height:100vh;display:flex;flex-direction:column;box-shadow:0 10px 40px rgba(6,55,28,.08)}

/* ── header ── */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 14px 0;display:flex;flex-direction:column;gap:10px}
.brand{display:flex;align-items:center;justify-content:space-between;gap:10px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--fg);min-width:0}
.logo img{height:40px;width:auto;transition:height .2s}
.logo b{display:block;font-family:var(--f-head);font-size:16px;color:var(--brand);line-height:1.1}
.logo small{display:block;font-size:11.5px;color:var(--mute)}
.top-act{display:flex;gap:8px;align-items:center}
.icon-btn{width:40px;height:40px;border-radius:999px;border:0;background:var(--brand);color:var(--on-brand);display:grid;place-items:center;flex:none;position:relative;transition:width .2s,height .2s}
.icon-btn.ghost{background:var(--chip);color:var(--brand)}
.icon-btn .n{position:absolute;top:-4px;right:-4px;min-width:19px;height:19px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 5px;border:2px solid #fff}
.top-act .kinh{display:none}
.search label{display:flex;align-items:center;gap:8px;background:var(--chip);color:var(--mute);border:1px solid var(--line);border-radius:999px;padding:0 14px}
.search label:focus-within{border-color:var(--brand);background:#fff}
.search input{border:0;background:transparent;outline:0;height:42px;width:100%;min-width:0;color:var(--fg)}
.top .search{max-height:60px;transition:max-height .2s,opacity .2s,margin .2s}
.top.gon{padding-top:8px;gap:6px}
.top.gon .search{max-height:0;opacity:0;overflow:hidden;margin-top:-6px}
.top.gon .kinh{display:grid}
.top.gon .logo img{height:30px}
.top.gon .logo small{display:none}
.top.gon .icon-btn{width:36px;height:36px}
.tabs{display:flex;overflow-x:auto;scrollbar-width:none;margin-inline:-14px;padding-inline:6px;justify-content:space-around}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:none;padding:9px 6px 11px;font-weight:600;font-size:12.5px;color:var(--mute);white-space:nowrap;border-bottom:3px solid transparent}
.tab[aria-selected="true"]{color:var(--brand);border-bottom-color:var(--brand)}
.tab .new{display:inline-block;margin-left:3px;padding:1px 4px;border-radius:5px;background:var(--orange);color:#fff;font-size:8.5px;font-weight:800;vertical-align:3px}
.tab .n{display:inline-grid;place-items:center;min-width:17px;height:17px;border-radius:9px;background:var(--red);color:#fff;font-size:10.5px;padding:0 4px;margin-left:3px;vertical-align:1px}

.body{flex:1;display:flex;flex-direction:column}
.screen{flex:1;padding:14px 14px 150px;display:flex;flex-direction:column;gap:16px;min-width:0}
.side{display:none}

/* ── chung ── */
.sec-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.sec-h h3{margin:0;font-size:16.5px}
.sec-h small{color:var(--mute);font-size:12px}
.chips{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-inline:-14px;padding-inline:14px}
.chips::-webkit-scrollbar{display:none}
.chip{border:1px solid var(--line);background:var(--app);border-radius:999px;padding:7px 13px;font-size:12.5px;white-space:nowrap;font-weight:500}
.chip b{font-weight:600;color:var(--mute);margin-left:3px}
.chip[aria-pressed="true"]{border-color:var(--brand);background:var(--brand);color:#fff}
.chip[aria-pressed="true"] b{color:#d6f0de}
.link{border:0;background:none;color:var(--brand);font-weight:600;padding:0;font-size:12.5px}
.btn{border:0;border-radius:12px;background:var(--brand);color:#fff;font-weight:700;padding:12px 18px;font-size:14px}
.btn.ghost{background:var(--brand-soft);color:var(--brand)}
.btn.full{width:100%}
.hint{color:var(--mute);font-size:12.5px;margin:0;line-height:1.5}
.empty{text-align:center;color:var(--mute);padding:36px 10px;display:flex;flex-direction:column;align-items:center;gap:10px;line-height:1.5}
.lv{display:block;pointer-events:none}
.lv-trong{height:130px}
.loading{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--mute);padding:80px 0}
.spin{width:20px;height:20px;border-radius:50%;border:3px solid var(--brand-soft);border-top-color:var(--brand);animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);background:var(--brand-900);color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;font-weight:600;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.2);max-width:90vw;animation:tin .2s ease}
@keyframes tin{from{opacity:0;transform:translate(-50%,10px)}}

/* ── hero ── */
.hero{position:relative;overflow:hidden;border-radius:20px;padding:18px 16px 18px;color:#fff;
  background:radial-gradient(70% 90% at 100% 100%,rgba(166,214,94,.75),transparent 70%),linear-gradient(135deg,#0a5129 0%,#0e6d38 50%,#2f8f45 100%);
  display:grid;grid-template-columns:1fr auto;align-items:end;gap:6px;min-height:178px}
.hero .k{font-size:10.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;opacity:.85}
.hero h2{margin:6px 0 6px;font-size:23px;line-height:1.15}
.hero h2 span{color:var(--gold)}
.hero p{margin:0;opacity:.9;font-size:12.5px;line-height:1.5}
.hero .cta-h{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.hero .cta-h button{border:0;border-radius:999px;padding:9px 15px;font-weight:700;font-size:13px;background:#fff;color:var(--brand)}
.hero .cta-h button.alt{background:rgba(255,255,255,.18);color:#fff}
.hero .lv-hero{height:170px;margin:-10px -6px -18px 0;filter:drop-shadow(0 8px 14px rgba(0,0,0,.22))}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat{background:var(--chip);border:1px solid var(--line);border-radius:14px;padding:10px 12px;text-align:left}
.stat b{display:block;font-family:var(--f-head);font-size:18px;color:var(--brand)}
.stat span{font-size:11.5px;color:var(--mute)}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.quick button{border:1px solid var(--line);background:#fff;border-radius:16px;padding:12px 4px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--fg)}
.quick button i{font-style:normal;width:52px;height:52px;border-radius:16px;display:grid;place-items:center}
.quick button i .ic{width:44px;height:44px}
.q-hot i{background:var(--red-soft)}.q-km i{background:var(--orange-soft)}.q-moi i{background:var(--new-soft)}.q-scan i{background:var(--brand-soft)}

/* ── dải SP ngang ── */
.strip{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;margin-inline:-14px;padding:2px 14px 4px;scroll-snap-type:x proximity}
.strip::-webkit-scrollbar{display:none}
.mini{flex:none;width:132px;display:flex;flex-direction:column;gap:5px;scroll-snap-align:start;position:relative}
.mini .im{width:132px;height:132px;border-radius:16px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;overflow:hidden;cursor:pointer;position:relative}
.mini .im img{width:100%;height:100%;object-fit:contain}
.mini .im .badge{position:absolute;top:6px;left:6px}
.mini .name{font-size:12.5px;-webkit-line-clamp:2}
.mini .qc{font-size:11.5px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini .pr{display:flex;align-items:center;justify-content:space-between;gap:4px;margin-top:auto}
.noimg{font-size:30px;opacity:.25}

/* ── dòng SP ── */
.list{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:72px 1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.row.het{opacity:.55}
.row.gon{grid-template-columns:52px 1fr auto;gap:10px;padding:10px 0}
.row.gon .thumb{width:52px;height:52px;border-radius:12px}
.row.gon .name{font-size:12.5px}
.row.gon .price{font-size:13.5px}
.thumb{width:72px;height:72px;border-radius:14px;background:#fff;border:1px solid var(--line);object-fit:contain;display:grid;place-items:center;cursor:pointer;overflow:hidden}
.info{min-width:0;display:flex;flex-direction:column;gap:3px}
.name{font-size:13.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;cursor:pointer}
.meta{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;font-size:12px;color:var(--mute)}
.qc{color:var(--mute)}
.price{font-weight:800;color:var(--fg);font-variant-numeric:tabular-nums;font-size:15px;font-family:var(--f-head)}
.price.km{color:var(--red)}
.price.lh{font-size:13px;color:var(--mute)}
s.cu{color:var(--mute);font-size:12px}
.tag{font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:999px;letter-spacing:.02em;white-space:nowrap}
.t-hot{background:var(--red-soft);color:var(--red)}
.t-km{background:var(--orange-soft);color:var(--orange)}
.t-new{background:var(--new-soft);color:var(--new)}
.t-low{background:var(--orange-soft);color:var(--orange)}
.t-ve{background:var(--blue-soft);color:var(--blue)}
.t-hsd{background:#f6efe0;color:#8a6a1c}
.t-het{background:#eceff0;color:#5f6b70}
.badge{font-size:10px;font-weight:800;color:#fff;border-radius:7px;padding:2px 6px}
.b-hot{background:var(--red)}.b-km{background:var(--orange)}.b-new{background:var(--new)}

.step{display:flex;align-items:center;border:1.5px solid var(--brand);border-radius:999px;overflow:hidden;height:36px;background:#fff}
.step button{width:32px;height:100%;border:0;background:none;font-size:18px;font-weight:600;color:var(--brand)}
.step input{width:40px;height:100%;border:0;text-align:center;background:none;font-variant-numeric:tabular-nums;font-weight:700;-moz-appearance:textfield;outline:0}
.step input::-webkit-inner-spin-button{-webkit-appearance:none}
.add{width:36px;height:36px;border-radius:999px;border:0;background:var(--brand);color:#fff;font-size:21px;font-weight:500;display:grid;place-items:center;flex:none;box-shadow:0 3px 8px rgba(14,109,56,.25)}
.add:active{transform:scale(.94)}
.mini .step{height:32px}.mini .step button{width:28px}.mini .step input{width:30px}
.mini .add{width:32px;height:32px;font-size:19px}

/* ── lọc ── */
.locbar{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.locbtn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:7px 10px 7px 12px;text-align:left;min-width:0}
.locbtn span{flex:1;display:flex;flex-direction:column;line-height:1.25;min-width:0;font-weight:600;font-size:13px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.locbtn small{font-size:10px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.05em}
.locbtn svg{flex:none;color:var(--mute)}
.locbtn.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.locbtn.on small{color:var(--brand)}
.ic-l{width:26px;height:26px;flex:none}
.loc-so{font-size:12.5px;color:var(--mute);margin-top:-6px}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}
.pick{border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 6px;display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center}
.pick.on{border-color:var(--brand);background:var(--brand-soft)}
.pick b{font-size:12.5px;line-height:1.25}
.pick small{font-size:11px;color:var(--mute)}
.pick-ic{width:52px;height:52px}
.pick-all{width:52px;height:52px;display:grid;place-items:center;font-size:26px;color:var(--brand);background:var(--brand-soft);border-radius:14px}
.opts{display:flex;flex-direction:column;gap:6px}
.opt{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;text-align:left;font-weight:600}
.opt.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.switch{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--mute);cursor:pointer}
.switch input{accent-color:var(--brand);width:16px;height:16px}
.more{align-self:center;margin-top:4px}

/* ── nhóm hàng ── */
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:10px}
.catgrid button{align-items:center!important;text-align:center!important;gap:6px!important;min-height:0!important;padding:12px 8px 10px!important}
.catgrid .cat-chu b{font-size:13px;line-height:1.25}
.catgrid .cat-chu span{display:block;margin-top:2px}
.cat-ic{width:72px;height:72px;flex:none;transition:transform .15s}
.catgrid button:hover .cat-ic{transform:scale(1.08) rotate(-3deg)}
.ic{display:block}
.ic-h{width:28px;height:28px;vertical-align:-7px;margin-right:6px;display:inline-block}
.ic-c{width:20px;height:20px;vertical-align:-5px;margin-right:5px;display:inline-block}
.catgrid button{border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--chip));border-radius:16px;padding:12px;text-align:left;display:flex;flex-direction:column;gap:10px;min-height:118px}
.cat-chu b{display:block;font-size:13.5px;font-family:var(--f-head)}
.cat-chu span{font-size:11.5px;color:var(--mute)}
.cat-anh{display:flex;gap:4px;margin-top:auto}
.cat-anh img{width:42px;height:42px;border-radius:10px;object-fit:contain;background:#fff;border:1px solid var(--line)}

/* ── giỏ / đơn ── */
.grp{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);margin-top:6px}
.form{display:flex;flex-direction:column;gap:10px}
.form label{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:600}
.form input,.form textarea{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--chip);font-weight:400;outline:0}
.form input:focus,.form textarea:focus{border-color:var(--brand);background:#fff}
.form .loi{border-color:var(--red)!important;background:var(--red-soft)!important}
.sum{border:1px solid var(--line);border-radius:16px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.sum div{display:flex;justify-content:space-between;gap:8px}
.sum .big{font-family:var(--f-head);font-size:17px;font-weight:800;border-top:1px dashed var(--line);padding-top:8px}
.sum .big span:last-child{color:var(--brand)}
.err{color:var(--red);font-size:12.5px;font-weight:600}
.xong{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:10px 0}
.xong .lv{height:190px}
.ok-big{display:flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand);border-radius:14px;padding:12px 14px;font-weight:700}

/* ── thanh giỏ dưới ── */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:center;padding:10px 12px calc(10px + env(safe-area-inset-bottom));pointer-events:none}
.bar .cta{pointer-events:auto;width:100%;max-width:536px;border:0;border-radius:16px;background:var(--brand-900);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;box-shadow:0 10px 28px rgba(6,55,28,.35);text-align:left}
.bar .cta span:first-child{display:flex;flex-direction:column;font-weight:800;font-family:var(--f-head);font-size:15px}
.bar .cta small{font-family:var(--f-ui);font-weight:500;font-size:11.5px;opacity:.8}
.bar .cta .tot{font-family:var(--f-head);font-weight:800;font-size:17px;color:var(--gold)}
.bar .cta:disabled{opacity:.6}

/* ── bảng trượt ── */
.sheet-bg{position:fixed;inset:0;background:rgba(10,25,15,.45);z-index:50;display:flex;align-items:flex-end;justify-content:center;animation:fd .15s}
@keyframes fd{from{opacity:0}}
.sheet{position:relative;background:#fff;width:100%;max-width:560px;max-height:92vh;overflow-y:auto;overflow-x:hidden;border-radius:22px 22px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px;animation:up .22s ease}
@keyframes up{from{transform:translateY(40px);opacity:.4}}
.sheet .x{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;border:0;background:var(--chip);font-size:20px;z-index:2}
.sheet h3{margin:0;font-size:17px;line-height:1.35;padding-right:30px}
.big-img{width:100%;max-height:300px;object-fit:contain;border-radius:16px;background:var(--chip)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13px}
.kv span{color:var(--mute)}
.mota{white-space:pre-line;background:var(--brand-soft);border-radius:14px;padding:12px;font-size:13px;line-height:1.55}
.add-row{display:flex;gap:10px;align-items:center;position:sticky;bottom:-18px;background:#fff;padding:10px 0 4px}
.add-row .btn{flex:1}
.viewfinder{position:relative;border-radius:16px;overflow:hidden;background:#000;aspect-ratio:4/3}
.viewfinder video{width:100%;height:100%;object-fit:cover}
.viewfinder:after{content:"";position:absolute;inset:30% 12%;border:2px solid var(--gold);border-radius:12px;box-shadow:0 0 0 999px rgba(0,0,0,.25)}
.field{display:flex;gap:8px}
.field input{flex:1;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--chip)}

.foot{border-top:1px solid var(--line);padding-top:16px;display:grid;gap:12px;font-size:12.5px;color:var(--mute)}
.foot b{color:var(--fg)}
.foot .logo-f{display:flex;gap:10px;align-items:center}
.foot .logo-f img{height:52px}

/* ── máy tính: giỏ luôn mở ở cột phải ── */
@media (min-width:1024px){
  .app{max-width:1280px;margin:0 auto;box-shadow:none;background:transparent}
  .top{padding:12px 24px 0;border-radius:0 0 20px 20px}
  .brand{gap:20px}
  .top .search{position:absolute;left:300px;right:360px;top:12px}
  .tabs{justify-content:flex-start;gap:18px;margin-inline:0;padding-inline:0}
  .tab{font-size:13.5px}
  .body{flex-direction:row;gap:20px;padding:18px 24px;align-items:flex-start}
  .screen{background:#fff;border-radius:20px;padding:20px 22px 40px;border:1px solid var(--line)}
  .chips,.strip{margin-inline:-22px;padding-inline:22px}
  .locbar{grid-template-columns:repeat(4,minmax(0,1fr))}
  .side{display:flex;flex-direction:column;gap:12px;width:380px;flex:none;position:sticky;top:calc(var(--cao-dau) + 18px);max-height:calc(100vh - var(--cao-dau) - 36px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}
  .side .bar{position:sticky;bottom:-16px;padding:10px 0 0;background:#fff}
  .side .bar .cta{max-width:none;box-shadow:none}
  .side-h{display:flex;justify-content:space-between;align-items:center}
  .side-h h3{margin:0;font-size:17px}
  .hero{min-height:220px;padding:26px 28px}
  .hero h2{font-size:34px}
  .hero p{font-size:14px;max-width:460px}
  .hero .lv-hero{height:240px}
  .quick{grid-template-columns:repeat(4,1fr)}
  .sheet-bg{align-items:center}
  .sheet{border-radius:22px;max-width:620px}
  .toast{bottom:30px}
}
@media (min-width:1360px){.list.l2{display:grid;grid-template-columns:1fr 1fr;column-gap:22px}}
@media (max-width:380px){.logo small{display:none}.hero h2{font-size:21px}.hero .lv-hero{height:140px}}
.sheet .strip{margin-inline:-16px;padding-inline:16px}

/* ── 21/10 lượt anh Xuân: ngôn ngữ, giá to, liên hệ, Messenger ── */
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--chip)}
.lang button{border:0;background:none;padding:6px 9px;font-size:11.5px;font-weight:700;color:var(--mute)}
.lang button[aria-pressed="true"]{background:var(--brand);color:#fff}
.top.gon .lang button{padding:5px 7px}
.chip-sep{flex:none;width:1px;background:var(--line);margin:4px 2px}
.gia-lon{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.gia-lon .price{font-size:28px;color:var(--brand)}
.gia-lon .price.km{color:var(--red)}
.gia-lon .thue{font-size:12.5px;color:var(--mute);font-weight:600}
.gia-lon s.cu{font-size:14px}
.lh-nut{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.lh-nut a{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;font-weight:700;font-size:12.5px;text-decoration:none;color:#fff}
.lh-nut svg{width:18px;height:18px}
.lh-line{background:#06c755}.lh-fb{background:#1877f2}.lh-tt{background:#111}
.foot a{color:var(--brand);font-weight:700}
.lh-nut a,.foot .lh-nut a{color:#fff}
.foot .ghi{font-size:12px}
.msg-b{position:fixed;right:14px;bottom:18px;z-index:35;display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#0a7cff,#a334fa);color:#fff;text-decoration:none;border-radius:999px;padding:10px 14px 10px 10px;font-weight:700;font-size:13px;box-shadow:0 8px 22px rgba(10,60,160,.35);transition:bottom .2s}
.msg-b svg{width:26px;height:26px}
.msg-b.cao{bottom:92px}
@media (max-width:520px){.msg-b span{display:none}.msg-b{right:10px;padding:9px;opacity:.95}.msg-b svg{width:22px;height:22px}.msg-b.cao{bottom:88px}}
.msg-cta{display:flex!important;align-items:center;gap:12px;justify-content:center;text-decoration:none;background:linear-gradient(135deg,#0a7cff,#a334fa)!important;text-align:left}
.msg-cta svg{width:30px;height:30px;flex:none}
.msg-cta span{display:flex;flex-direction:column}
.msg-cta small{font-weight:500;font-size:11.5px;opacity:.9}
@media (max-width:420px){.logo span{display:none}.lang button{padding:6px 7px}}

/* thu gọn thanh đầu tức thì (có bù chiều cao trong app.js) — hiệu ứng co dần làm đo sai, gây giật */
.top .search,.top .logo img,.top .icon-btn,.top .lang button{transition:none!important}

.dang-mo{color:var(--brand)!important;font-weight:600;animation:nhay 1s ease-in-out infinite alternate}
@keyframes nhay{from{opacity:.45}}

/* ── nền thanh đầu: phong cảnh Việt – Nhật (ruộng lúa, nón lá, Phú Sĩ, cổng torii) — ChatGPT vẽ, anh Nguyên chọn PA2 ── */
.top{isolation:isolate;overflow:hidden}
.top::before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;z-index:-1;pointer-events:none;
  background:url(/trang-tri/canh.webp) center bottom/auto 100% no-repeat;opacity:.55;transition:opacity .2s}
.top.gon::before{opacity:.28}
.search label{background:rgba(242,247,243,.86)}
.tab{text-shadow:0 0 6px #fff,0 0 2px #fff}
@media (max-width:1023px){.top::before{height:62%;background-size:auto 100%;opacity:.42}}
@media (min-width:1024px){.top::before{background-position:right 40px bottom;height:96%}}