/* Yamaha Quốc Hưng — shop layer: cart button, 360 viewer, version/colour picker, cart page */
.cartbtn{position:relative;display:inline-flex;align-items:center;gap:6px;padding:9px 12px;border-radius:8px;border:1.5px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600;white-space:nowrap}
.cartbtn:hover{border-color:var(--navy);color:var(--navy)}
.cartbtn svg{width:20px;height:20px}
.cartbtn [data-cart-count]{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--red);color:#fff;font-size:12px;line-height:20px;text-align:center;font-variant-numeric:tabular-nums}
.cartbtn [data-cart-count="0"]{background:var(--line);color:var(--muted)}
header.site .cartbtn{margin-left:auto}
nav.main + .cartbtn{margin-left:0}
@media (max-width:980px){header.site .cartbtn{margin-left:auto} header.site .hd-cta{margin-left:0}}
@media (max-width:560px){header.site .hd-cta{display:none}.cartbtn .lbl{display:none}}

/* 360 viewer */
#viewer{position:relative;user-select:none;-webkit-user-select:none;touch-action:pan-y;cursor:grab}
#viewer.drag{cursor:grabbing}
#viewer img{display:block;width:100%;height:auto;aspect-ratio:640/538;object-fit:contain;pointer-events:none}
.v360{position:absolute;left:12px;bottom:12px;display:flex;gap:6px;align-items:center}
.v360 button{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:700 16px var(--f-body);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.v360 button:hover{border-color:var(--navy);color:var(--navy)}
.v360 span{font-size:12.5px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.vdots{position:absolute;right:14px;bottom:24px;display:flex;gap:4px}
.vdots i{width:6px;height:6px;border-radius:50%;background:var(--line)}
.vdots i.on{background:var(--navy)}

/* buy panel */
.buy{display:flex;flex-direction:column;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.buy h4{margin:0;font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.vers-pick{display:flex;flex-wrap:wrap;gap:8px}
.vers-pick button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:9px 12px;border-radius:8px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font:500 14px var(--f-body);cursor:pointer;text-align:left}
.vers-pick button small{font-size:12.5px;color:var(--price);font-weight:700;font-variant-numeric:tabular-nums}
.vers-pick button[aria-pressed="true"]{border-color:var(--navy);background:var(--navy-soft)}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.swatches button{width:38px;height:38px;border-radius:50%;border:2px solid var(--line);padding:3px;background:var(--surface);cursor:pointer}
.swatches button span{display:flex;width:100%;height:100%;border-radius:50%;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.swatches button span i{flex:1}
.swatches button[aria-pressed="true"]{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy-soft)}
.cname{font-weight:600}
.buyrow{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:36px;height:40px;border:0;background:var(--bg);color:var(--ink);font:700 18px var(--f-body);cursor:pointer}
.qty output{min-width:36px;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}
.buyrow .btn{flex:1;min-width:140px}
.bprice{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.bprice b{font-family:var(--f-display);font-size:34px;color:var(--price);font-variant-numeric:tabular-nums;line-height:1}
.bprice small{color:var(--muted)}
.toastx{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:40;background:var(--ink);color:var(--surface);padding:12px 16px;border-radius:10px;font-weight:600;display:flex;gap:12px;align-items:center;max-width:calc(100% - 32px)}
.toastx a{color:var(--surface)}
@media (min-width:981px){.toastx{bottom:24px}}

/* cart page */
.cartwrap{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start;padding-block:24px 48px}
.citems{display:flex;flex-direction:column;gap:12px;min-width:0}
.citem{display:grid;grid-template-columns:110px 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.citem img{width:110px;height:auto}
.citem h3{font-size:20px}
.citem p{font-size:13.5px;color:var(--muted)}
.citem .r{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.citem .r b{color:var(--price);font-variant-numeric:tabular-nums}
.linkbtn{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:13px;padding:0}
.ccheck{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:12px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px)}
.ccheck textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%;min-height:70px}
.radios{display:flex;flex-direction:column;gap:6px}
.radios label{display:flex;gap:8px;align-items:flex-start;font-size:14px}
.radios input{width:auto;margin-top:4px}
.ctotal{display:flex;justify-content:space-between;align-items:baseline;border-top:1px dashed var(--line);padding-top:12px}
.ctotal b{font-family:var(--f-display);font-size:28px;color:var(--price);font-variant-numeric:tabular-nums}
.empty{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r);padding:28px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center}
.done{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:10px}
.done .code{font-family:var(--f-display);font-size:30px;color:var(--navy)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
@media (max-width:900px){.cartwrap{grid-template-columns:1fr}.ccheck{position:static}}
@media (max-width:480px){.citem{grid-template-columns:80px 1fr}.citem img{width:80px}.citem .r{grid-column:1/-1;flex-direction:row;justify-content:space-between;align-items:center}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* cost estimate inside the buy panel and cart */
.est{border-top:1px dashed var(--line);padding-top:12px;display:flex;flex-direction:column;gap:10px}
.esttabs{display:flex;gap:6px}
.esttabs button{flex:1;padding:8px 10px;border-radius:8px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font:600 14px var(--f-body);cursor:pointer}
.esttabs button[aria-selected="true"]{border-color:var(--navy);background:var(--navy-soft);color:var(--navy)}
.estrow{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600}
.estrow2{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.estrow2 label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;min-width:0}
.est table.sum tr.total td{font-size:22px}
.estline{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.estline b{font-family:var(--f-display);font-size:22px;color:var(--navy);font-variant-numeric:tabular-nums}
@media (max-width:480px){.estrow2{grid-template-columns:1fr 1fr}}

/* menu stays visible on phones as a swipeable row */
@media (max-width:980px){
  header.site .wrap{flex-wrap:wrap;row-gap:6px}
  header.site nav.main{display:flex;order:3;width:100%;margin-left:0;flex-wrap:nowrap;overflow-x:auto;gap:2px;padding-bottom:2px;scrollbar-width:none}
  header.site nav.main::-webkit-scrollbar{display:none}
  header.site nav.main a{white-space:nowrap;padding:6px 10px;background:var(--bg);border-radius:999px;font-size:14px}
}

/* giá ưu đãi, flash sale (kiểu trang thương mại điện tử: giá đỏ lớn, giá gốc gạch, % giảm, đồng hồ đếm ngược, số suất) */
.pbox{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.pbox.on{background:#FFF1F1;border-color:#FFD3D6}
.pnow{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.pnow b{font-family:var(--f-display);font-size:36px;line-height:1;color:var(--price);font-variant-numeric:tabular-nums}
.pnow s{color:var(--muted);font-size:15px}
.pnow em{font-style:normal;color:var(--price);font-weight:700}
.pver{color:var(--muted)}
.fbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-radius:10px;padding:8px 12px;color:#fff;font-weight:700;background:linear-gradient(90deg,#E60012,#FF4B2B)}
.fbar.today{background:linear-gradient(90deg,#2B2F8F,#5157D6)}
.fbar.soon{background:#3A3F55}
.fbar .fl{font-size:17px}
.fbar .cd{display:inline-flex;gap:3px;align-items:center;font-variant-numeric:tabular-nums}
.fbar .cd i{font-style:normal;background:#fff;color:#C4000F;border-radius:4px;padding:1px 5px;min-width:26px;text-align:center}
.fbar.today .cd i{color:var(--navy)} .fbar.soon .cd i{color:#3A3F55}
.fbar .left{margin-left:auto;background:#FFE7A3;color:#7A3D00;border-radius:999px;padding:3px 10px;font-size:13px}
.pnotes{margin:4px 0 0;padding:10px 12px 10px 28px;background:#FFF7E6;border-radius:8px;color:#9A4B00;font-size:13.5px;display:flex;flex-direction:column;gap:2px}
.vers-pick button small s{color:var(--muted);font-weight:500}
.swatches button{position:relative}
.swatches .dc{position:absolute;right:-4px;top:-6px;font-style:normal;font-size:11px;font-weight:700;background:var(--navy);color:#fff;border-radius:999px;width:16px;height:16px;line-height:16px;text-align:center}
.kmbox{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.kmbox .kmh{background:var(--bg);padding:10px 14px;display:flex;flex-direction:column}
.kmbox .kmh small{color:var(--muted)}
.kmbox ol{margin:0;padding:10px 14px 12px 34px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.kmbox li span{display:block;color:var(--muted)}
.offtag{font-style:normal;color:var(--price);font-weight:700}
.card .badge.sale{background:var(--red);color:#fff;align-self:flex-start}
.card .badge.sale.today{background:var(--navy)}
.card .price b s{font-size:.55em;color:var(--muted);font-weight:500;margin-left:6px}
.flashsec{background:linear-gradient(180deg,#FFF1F1,var(--bg))}
.fgrid2{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fcard{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1.5px solid #FFD3D6;border-radius:var(--r);padding:12px;text-decoration:none;color:var(--ink);min-width:0}
.fcard.today{border-color:var(--navy-soft)}
.fcard:hover{border-color:var(--red)}
.fcard img{width:100%;height:auto;aspect-ratio:640/538;object-fit:contain}
.fcard .ftag{position:absolute;left:10px;top:10px;background:var(--red);color:#fff;font-weight:700;font-size:12.5px;border-radius:999px;padding:3px 10px}
.fcard.today .ftag{background:var(--navy)}
.fcard .fn{font-family:var(--f-display);font-size:20px}
.fcard small{color:var(--muted)}
.fcard .fp{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.fcard .fp b{color:var(--price);font-size:19px;font-variant-numeric:tabular-nums}
.fcard .fp s{color:var(--muted);font-size:13px}
.fcard .fbar{font-size:13px;padding:6px 8px;gap:6px}
.fcard .fbar .left{font-size:12px;padding:2px 8px}
nav.main a.navsale{color:var(--red);font-weight:700}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pbox.on{background:#2A1420;border-color:#5A2235}:root:not([data-theme="light"]) .pnotes{background:#2E2410;color:#F2C27A}:root:not([data-theme="light"]) .flashsec{background:linear-gradient(180deg,#22121C,var(--bg))}}
@media (max-width:900px){.fgrid2{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.fgrid2{grid-template-columns:1fr 1fr;gap:10px}.fcard .fn{font-size:17px}.pnow b{font-size:30px}}