:root{
  --font-display:'Baloo 2','Nunito','Trebuchet MS',sans-serif;
  --font-body:'Be Vietnam Pro','Segoe UI',Roboto,Arial,sans-serif;
  --lemon:#FFE14D; --leaf:#7DBE4F;
  --radius:22px;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px);scroll-behavior:smooth}
/* ============ THEME TOKENS ============ */
:root[data-theme="a"]{
  --bg:#FFF6F8; --surface:#FFFFFF; --ink:#4B2035; --muted:#8A6577; --line:#F5CCD9;
  --primary:#E24C79; --on-primary:#FFFFFF; --soft:#FFDCE6; --accent:#FFE45C;
  --hero-bg:linear-gradient(160deg,#FFE6EE 0%,#FFC7DA 100%); --hero-ink:#4B2035;
  --cta-bg:#E24C79; --cta-ink:#FFFFFF; --chip-bg:rgba(255,255,255,.7);
}
:root[data-theme="n"]{
  --bg:#FBF7F0; --surface:#FFFFFF; --ink:#1D2B24; --muted:#66756C; --line:#E6DFCF;
  --primary:#C4232C; --on-primary:#FFFFFF; --soft:#DCEBDD; --accent:#E9BC4B;
  --hero-bg:linear-gradient(170deg,#0F4A34 0%,#082B1F 100%); --hero-ink:#FFF8EA;
  --cta-bg:#E9BC4B; --cta-ink:#1D2B24; --chip-bg:rgba(255,255,255,.12);
}
:root[data-theme="t"]{
  --bg:#FFF7E8; --surface:#FFFFFF; --ink:#4A1010; --muted:#8A5A45; --line:#F0D9A8;
  --primary:#D0161E; --on-primary:#FFF3D0; --soft:#FFE6B0; --accent:#F7B928;
  --hero-bg:linear-gradient(170deg,#C3121A 0%,#8A0A11 100%); --hero-ink:#FFF3D0;
  --cta-bg:#F7B928; --cta-ink:#4A1010; --chip-bg:rgba(255,255,255,.14);
}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;transition:background .5s,color .5s;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;margin:0}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid transparent;border-radius:999px;padding:12px 24px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn:active{transform:scale(.97)}
.btn-cta{background:var(--cta-bg);color:var(--cta-ink);box-shadow:0 6px 0 rgba(0,0,0,.18)}
.btn-cta:hover{transform:translateY(-2px)}
.btn-ghost{border-color:currentColor;background:transparent}
.btn-primary{background:var(--primary);color:var(--on-primary)}

/* ============ ANNOUNCEMENT ============ */
.bar{background:var(--primary);color:var(--on-primary);text-align:center;font-size:14px;font-weight:500;padding:8px 12px;position:relative;z-index:12}
.bar b{font-family:var(--font-display);letter-spacing:.02em}

/* ============ HEADER ============ */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--font-display);font-weight:800;font-size:26px;color:var(--ink);white-space:nowrap}
.logo svg{width:42px;height:42px;overflow:visible}
.hat{display:none}
[data-theme="n"] .hat{display:block}
.logo small{display:block;font-family:var(--font-body);font-weight:500;font-size:11px;color:var(--muted);margin-top:-6px}
nav.menu{display:flex;gap:6px;margin-left:auto}
nav.menu a{text-decoration:none;font-weight:500;padding:8px 14px;border-radius:999px}
nav.menu a:hover{background:var(--soft)}
.cart-btn{position:relative;display:flex;align-items:center;gap:8px;background:var(--primary);color:var(--on-primary);border:0;border-radius:999px;padding:10px 18px;font-weight:600}
.cart-btn .n{background:var(--accent);color:#3a2a00;border-radius:999px;min-width:22px;height:22px;display:grid;place-items:center;font-size:13px;padding:0 6px}
@media(max-width:820px){nav.menu{display:none}.cart-btn{margin-left:auto}.logo{font-size:22px}}

/* ============ HERO ============ */
.hero{background:var(--hero-bg);color:var(--hero-ink);position:relative;overflow:hidden;transition:background .5s}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;padding:56px 0 72px;position:relative;z-index:2}
.hero h1{font-size:clamp(38px,6vw,72px);font-weight:800;letter-spacing:-.01em}
.hero p.sub{font-size:18px;max-width:46ch;margin:18px 0 26px;opacity:.92}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.count{margin-top:30px}
.count small{display:block;font-size:14px;margin-bottom:8px;opacity:.9}
.count .cells{display:flex;gap:10px}
.cell{background:var(--chip-bg);border-radius:16px;padding:8px 14px;min-width:66px;text-align:center;backdrop-filter:blur(4px)}
.cell b{display:block;font-family:var(--font-display);font-size:30px;line-height:1.1;font-variant-numeric:tabular-nums}
.cell span{font-size:12px;opacity:.85}
.hero-art{position:relative;height:520px}
.frame{position:absolute;overflow:hidden;border:6px solid #fff;border-radius:999px 999px 26px 26px;box-shadow:0 18px 40px rgba(0,0,0,.22);background:#fff}
.frame img{width:100%;height:100%;object-fit:cover}
.f1{width:210px;height:330px;left:0;top:70px;transform:rotate(-5deg)}
.f2{width:270px;height:430px;left:50%;top:0;transform:translateX(-46%) rotate(1deg);z-index:2}
.f3{width:200px;height:310px;right:0;top:110px;transform:rotate(5deg)}
.f1 img{object-position:50% 40%}
.sticker{position:absolute;z-index:4;right:6%;bottom:16px;width:116px;height:116px;border-radius:50%;background:var(--lemon);color:#4a3a00;display:grid;place-content:center;text-align:center;font-family:var(--font-display);font-weight:800;line-height:1;transform:rotate(12deg);box-shadow:0 8px 0 rgba(0,0,0,.14);border:3px dashed rgba(74,58,0,.35)}
.sticker b{font-size:34px}
.sticker span{font-size:13px;font-weight:700}
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding:36px 0 48px}
  .hero-art{height:400px;order:-1}
  .f1{width:150px;height:240px;top:60px}.f2{width:200px;height:330px}.f3{width:140px;height:220px;top:90px}
  .sticker{width:92px;height:92px;bottom:0}.sticker b{font-size:26px}
}

/* decor per theme */
.deco{position:absolute;pointer-events:none;display:none}
[data-theme="a"] .deco-a,[data-theme="n"] .deco-n,[data-theme="t"] .deco-t{display:block}
.fl{position:absolute;opacity:.9}
.lights{position:absolute;left:0;right:0;top:0;height:46px;display:none;justify-content:space-around;z-index:1}
[data-theme="n"] .lights{display:flex}
.lights i{width:12px;height:18px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;margin-top:14px;animation:tw 2.4s infinite ease-in-out}
.lights i::before{content:"";position:absolute;top:0;width:100%;height:1px}
.lights i:nth-child(4n+1){background:#ff4b4b;box-shadow:0 0 14px #ff4b4b}
.lights i:nth-child(4n+2){background:#ffd24b;box-shadow:0 0 14px #ffd24b;animation-delay:.5s}
.lights i:nth-child(4n+3){background:#6be28f;box-shadow:0 0 14px #6be28f;animation-delay:1s}
.lights i:nth-child(4n){background:#fff;box-shadow:0 0 14px #fff;animation-delay:1.5s}
.lights::before{content:"";position:absolute;left:0;right:0;top:12px;height:2px;background:rgba(255,255,255,.35)}
@keyframes tw{50%{opacity:.35}}
.lantern{position:absolute;top:-6px;width:64px;transform-origin:50% 0;animation:sway 4s infinite ease-in-out}
@keyframes sway{50%{transform:rotate(6deg)}}
@media(max-width:860px){.lantern{width:44px}}

/* ============ SECTIONS ============ */
section{padding:60px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800}
.sec-head p{margin:6px 0 0;color:var(--muted);max-width:52ch}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px;font-weight:500;font-size:14px}
.chip[aria-pressed="true"]{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
@media(max-width:560px){.grid{grid-template-columns:repeat(2,1fr);gap:12px}}
.card{background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.card .ph{position:relative;aspect-ratio:3/4;background:var(--soft);border:0;padding:0;display:block;width:100%;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card .ph:hover img{transform:scale(1.05)}
.badge{position:absolute;left:10px;top:10px;background:var(--accent);color:#3a2a00;border-radius:999px;padding:3px 12px;font-size:12px;font-weight:600}
.off{position:absolute;right:10px;top:10px;background:var(--primary);color:var(--on-primary);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}
.gift-tag{display:none;position:absolute;left:10px;bottom:10px;background:#fff;color:#c2325c;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.12)}
[data-theme="a"] .gift-tag{display:block}
.card .info{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:19px;font-weight:700}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price b{font-family:var(--font-display);font-size:22px;color:var(--primary)}
.price s{color:var(--muted);font-size:14px}
.sizes{display:flex;gap:6px}
.size{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);font-size:13px;font-weight:600}
.size[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.add{margin-top:auto;width:100%;border:0;border-radius:999px;background:var(--primary);color:var(--on-primary);padding:11px;font-weight:600}
.add:active{transform:scale(.98)}

/* perks */
.perks{background:var(--surface);border-block:1px solid var(--line);padding:26px 0}
.perks .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.perk{display:flex;gap:12px;align-items:center}
.perk i{font-style:normal;font-size:26px;width:52px;height:52px;border-radius:50%;background:var(--soft);display:grid;place-items:center;flex:none}
.perk b{display:block;font-family:var(--font-display);font-size:17px}
.perk span{font-size:13px;color:var(--muted)}
@media(max-width:820px){.perks .wrap{grid-template-columns:1fr 1fr}}

/* story band */
.band{background:var(--soft);border-radius:32px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.band h2{font-size:clamp(26px,3.6vw,38px)}
.band p{margin:8px 0 0;color:var(--muted)}
.code{display:inline-flex;align-items:center;gap:10px;background:var(--surface);border:2px dashed var(--primary);border-radius:16px;padding:10px 16px;font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--primary)}
.code button{border:0;background:var(--primary);color:var(--on-primary);border-radius:999px;padding:5px 14px;font-size:13px;font-family:var(--font-body);font-weight:600}
@media(max-width:700px){.band{grid-template-columns:1fr;padding:24px}}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rv{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.rv .stars{color:#F5A623;letter-spacing:2px}
.rv p{margin:8px 0 12px}
.rv b{font-family:var(--font-display)}
@media(max-width:820px){.reviews{grid-template-columns:1fr}}

footer{background:var(--ink);color:var(--bg);padding:40px 0 100px}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
footer h3{font-size:24px;margin-bottom:6px}
footer p{margin:2px 0;opacity:.8;font-size:14px}

/* ============ CART ============ */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;opacity:0;pointer-events:none;transition:opacity .25s}
.overlay.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:var(--surface);z-index:41;transform:translateX(100%);transition:transform .3s;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px)}
.drawer.on{transform:none}
.drawer header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer header h2{font-size:24px}
.x{border:0;background:var(--soft);width:36px;height:36px;border-radius:50%;font-size:18px;line-height:1}
.drawer .body{flex:1;overflow:auto;padding:16px 20px}
.ship{background:var(--soft);border-radius:14px;padding:12px 14px;font-size:14px;margin-bottom:14px}
.track{height:8px;background:rgba(0,0,0,.08);border-radius:99px;margin-top:8px;overflow:hidden}
.track i{display:block;height:100%;background:var(--primary);border-radius:99px;transition:width .4s}
.ci{display:grid;grid-template-columns:64px 1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.ci img{width:64px;height:84px;object-fit:cover;border-radius:12px}
.ci b{display:block;font-size:15px;line-height:1.3}
.ci small{color:var(--muted)}
.qty{display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.qty button{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface)}
.rm{border:0;background:none;color:var(--muted);font-size:13px;text-decoration:underline}
.empty{text-align:center;color:var(--muted);padding:40px 10px}
.drawer footer{background:var(--surface);color:var(--ink);padding:14px 20px calc(14px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);display:block}
.row{display:flex;justify-content:space-between;margin:4px 0}
.row.total{font-family:var(--font-display);font-size:22px;font-weight:800}
.promo{display:flex;gap:8px;margin:8px 0}
.field{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;background:var(--bg);color:var(--ink);margin-top:6px}
.promo .field{margin:0}
.promo button{border:0;background:var(--ink);color:var(--bg);border-radius:12px;padding:0 16px;font-weight:600}
.msg{font-size:13px;min-height:18px;color:var(--primary)}

/* ============ MODALS ============ */
.modal{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:16px;background:rgba(0,0,0,.5)}
.modal.on{display:grid}
.sheet{background:var(--surface);border-radius:28px;width:min(860px,100%);max-height:calc(100dvh - 32px);overflow:auto;position:relative}
.pd{display:grid;grid-template-columns:1fr 1fr}
.pd .gal{background:var(--soft)}
.pd .gal>img{width:100%;aspect-ratio:3/4;object-fit:cover}
.thumbs{display:flex;gap:8px;padding:10px}
.thumbs button{border:2px solid transparent;border-radius:12px;padding:0;overflow:hidden;width:60px;height:74px;background:none}
.thumbs button[aria-current="true"]{border-color:var(--primary)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.pd .txt{padding:28px;display:flex;flex-direction:column;gap:12px}
.pd h2{font-size:30px}
.pd ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px}
.sheet .x{position:absolute;right:14px;top:14px;z-index:3;background:#fff}
@media(max-width:700px){.pd{grid-template-columns:1fr}.pd .gal>img{aspect-ratio:1/1}}
.pop{text-align:center;padding:40px 28px;background:var(--hero-bg);color:var(--hero-ink);max-width:420px}
.pop h2{font-size:34px}
.pop p{margin:10px 0 18px}
.pop .code{color:var(--primary)}

/* ============ FLOATING ============ */
.switch{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--ink);color:var(--bg);border-radius:999px;padding:6px;display:flex;gap:4px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3);font-size:13px}
.switch span{padding:0 10px;opacity:.7}
.switch button{border:0;background:transparent;border-radius:999px;padding:7px 13px;font-weight:600;color:inherit}
.switch button[aria-pressed="true"]{background:var(--accent);color:#3a2a00}
.zalo{position:fixed;right:16px;bottom:calc(76px + env(safe-area-inset-bottom,0px));z-index:29;width:54px;height:54px;border-radius:50%;background:#0068FF;color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;text-decoration:none;box-shadow:0 8px 20px rgba(0,104,255,.4)}
.toast{position:fixed;left:16px;bottom:calc(70px + env(safe-area-inset-bottom,0px));z-index:29;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:10px 14px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.14);max-width:280px;transform:translateY(20px);opacity:0;transition:.4s;pointer-events:none}
.toast.on{transform:none;opacity:1}
.mbar{display:none}
@media(max-width:700px){
  .switch{bottom:calc(72px + env(safe-area-inset-bottom,0px));font-size:12px}.switch span{display:none}
  .toast{bottom:calc(122px + env(safe-area-inset-bottom,0px));max-width:230px}
  .zalo{bottom:calc(122px + env(safe-area-inset-bottom,0px));right:12px;width:46px;height:46px}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:31;background:var(--surface);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));gap:12px;align-items:center;justify-content:space-between}
  .mbar b{font-family:var(--font-display);font-size:20px}
}
canvas#fx{position:fixed;inset:0;width:100%;height:100%;z-index:25;pointer-events:none}