.bdsc{max-width:1100px;margin:20px auto;padding:26px;background:#fff;color:#171717;border:1px solid #ddd;border-radius:10px;font:14px/1.5 Arial,'Noto Sans Bengali',sans-serif;box-shadow:0 2px 12px #0000000d;box-sizing:border-box}.bdsc *{box-sizing:border-box}.bdsc h2{text-align:center;color:#c50000;font-size:25px;margin:0 0 25px;font-weight:800}.bdsc h3{font-size:18px;margin:0 0 18px}.bdsc-lead{font-weight:700;margin:0 0 12px}.bdsc-products{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:30px}.bdsc-product{border:1px solid #d6d6d6;background:#fafafa;border-radius:5px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0}.bdsc-product.selected{border-color:#aaa}.bdsc-product-label{display:flex;align-items:center;gap:10px;min-width:0;flex:1;cursor:pointer}.bdsc-img{width:52px;height:60px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#eee}.bdsc-img img{width:100%;height:100%;object-fit:cover}.bdsc-detail{display:flex;flex-direction:column;min-width:0;font-size:12px}.bdsc-detail strong{overflow-wrap:anywhere}.bdsc-prices{display:flex;gap:8px;flex-wrap:wrap}.bdsc-prices del{color:#888}.bdsc-prices b{color:#111}.bdsc-qty{display:flex;align-items:center;border:1px solid #ddd;background:white}.bdsc-qty button{border:0;background:#fff;cursor:pointer;padding:5px 8px;color:#333}.bdsc-count{width:36px!important;min-width:0!important;text-align:center;padding:3px!important;border:0!important;appearance:textfield;font-size:12px!important}.bdsc-count::-webkit-inner-spin-button,.bdsc-count::-webkit-outer-spin-button{appearance:none;margin:0}.bdsc-columns{display:grid;grid-template-columns:1.05fr .95fr;gap:36px}.bdsc-billing>label{display:block;font-weight:600;margin:0 0 14px;font-size:13px}.bdsc-billing input:not([type=radio]),.bdsc-billing textarea{width:100%;margin-top:5px;border:1px solid #888;border-radius:4px;padding:10px 12px;font:inherit;background:#fff;color:#111}.bdsc-billing input:disabled{background:#f5f5f5}.bdsc em{color:#c00000;font-style:normal}.bdsc fieldset{border:0;padding:0;margin:0 0 16px}.bdsc legend{font-weight:600;font-size:13px}.bdsc-radio{display:flex;align-items:center;gap:5px;font-size:13px;margin:5px 0;font-weight:400}.bdsc-radio input{accent-color:#b80000}.bdsc-summary-head,.bdsc-summary-row,.bdsc-line{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #eee}.bdsc-summary-head{font-weight:700}.bdsc-line{font-size:12px}.bdsc-summary-row{font-size:13px}.bdsc-shipping>div{max-width:60%}.bdsc-total{font-weight:800;font-size:17px}.bdsc-payment{background:#f5f5f5;padding:15px;margin-top:20px;font-size:13px}.bdsc-payment p{background:#e8e8e8;padding:10px;margin:10px 0 0}.bdsc-privacy{font-size:11px;color:#777}.bdsc-submit{width:100%;border:0;background:#c40000;color:#fff;padding:15px 12px;border-radius:4px;font-weight:800;cursor:pointer;font-size:15px}.bdsc-submit:hover{background:#9c0000}.bdsc-submit:disabled{opacity:.65;cursor:default}.bdsc-message{margin:8px 0;color:#b00000;font-weight:600}.bdsc-success{color:#16783b}@media(max-width:700px){.bdsc{padding:15px;margin:10px auto}.bdsc h2{font-size:20px}.bdsc-products{grid-template-columns:1fr;gap:9px}.bdsc-columns{grid-template-columns:1fr;gap:25px}.bdsc-product{padding:9px}.bdsc-img{width:48px;height:54px}}

/* v1.1 mobile-first checkout enhancements */
.bdsc{--bdsc-accent:#bf1425;--bdsc-border:#e7e9ee;box-shadow:0 12px 40px #14243b0a;border-color:#edf0f3;border-radius:18px}
.bdsc h2{line-height:1.4}.bdsc-help{font-size:12px;font-weight:500;color:#657087;margin-left:8px}
.bdsc-product{border-radius:12px;border:1.5px solid var(--bdsc-border);background:#fff;transition:border-color .16s,background .16s}
.bdsc-product.selected{border-color:var(--bdsc-accent);background:#fff9fa}
.bdsc-product-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--bdsc-accent);flex-shrink:0}
.bdsc-img{border-radius:8px;overflow:hidden;background:#f5f6f8}
.bdsc-detail strong{font-size:13px}.bdsc-prices b{color:var(--bdsc-accent);font-size:13px}
.bdsc-qty{border-radius:9px;overflow:hidden;border-color:#e0e4eb}
.bdsc-qty button{min-width:32px;min-height:32px;font-size:17px}
.bdsc-billing input:not([type=radio]),.bdsc-billing textarea{border:1.5px solid #dfe3e9;border-radius:10px;min-height:46px;outline:none}
.bdsc-billing input:focus,.bdsc-billing textarea:focus{border-color:var(--bdsc-accent);box-shadow:0 0 0 3px #bf142515}
.bdsc-step{display:inline-grid;place-items:center;background:#fff0f1;color:var(--bdsc-accent);border-radius:50%;width:28px;height:28px;margin-right:7px;font-size:14px}
.bdsc-payment{border-radius:12px;background:#f8fafc}.bdsc-payment p{border-radius:8px}
.bdsc-submit{border-radius:12px;background:var(--bdsc-accent);min-height:54px;font-size:16px}
.bdsc-trust{text-align:center;color:#667388;font-size:12px;margin:12px 0}
.bdsc-sticky{display:none}
@media(max-width:700px){
 .bdsc{border:0;box-shadow:none;margin:0 auto;padding:14px 12px 120px;border-radius:0}
 .bdsc h2{font-size:21px;margin:6px 0 22px}
 .bdsc-lead{font-size:15px;margin-bottom:12px}
 .bdsc-products{grid-template-columns:1fr;gap:10px;margin-bottom:26px}
 .bdsc-product{padding:11px 10px;gap:8px;min-height:88px}
 .bdsc-img{width:64px;height:66px}
 .bdsc-product-label{gap:9px}
 .bdsc-detail strong{font-size:14px;line-height:1.35}
 .bdsc-qty{align-self:flex-end}
 .bdsc-qty button{min-width:33px;min-height:36px}
 .bdsc-count{width:30px!important;font-size:13px!important}
 .bdsc-columns{grid-template-columns:1fr;gap:25px}
 .bdsc-billing>label{font-size:14px;margin-bottom:17px}
 .bdsc-billing input:not([type=radio]),.bdsc-billing textarea{font-size:16px;padding:12px}
 .bdsc-billing h3,.bdsc-summary h3{font-size:19px}
 .bdsc-billing fieldset{display:flex;flex-wrap:wrap;gap:8px}
 .bdsc-billing fieldset legend{margin-bottom:9px}
 .bdsc-billing fieldset .bdsc-radio{padding:10px 13px;border:1px solid #dfe3e9;border-radius:10px;margin:0}
 .bdsc-summary{padding:18px 14px;background:#fbfcfe;border:1px solid #edf0f3;border-radius:16px}
 .bdsc-shipping>div{max-width:70%}
 .bdsc-sticky{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:9999;align-items:center;gap:12px;padding:12px max(14px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));background:#fff;box-shadow:0 -8px 30px #14243b20;border-top:1px solid #e9edf3}
 .bdsc-sticky>div{min-width:105px;display:flex;flex-direction:column;gap:2px}
 .bdsc-sticky small{color:#657087;font-size:11px}
 .bdsc-sticky strong{font-size:17px;color:#1c293b}
 .bdsc-sticky-go{flex:1;background:var(--bdsc-accent);border:0;color:#fff;border-radius:12px;min-height:49px;padding:8px 12px;font-size:14px;font-weight:800;cursor:pointer}
 .bdsc-sticky-go:disabled{opacity:.55}
}

/* Prevent misleading checkout totals and submissions with an empty cart */
.bdsc-empty .bdsc-sticky-go,.bdsc-empty .bdsc-submit{background:#dce1e8!important;color:#64748b!important;cursor:not-allowed;box-shadow:none!important;opacity:1!important}
.bdsc-empty .bdsc-sticky-total{color:#64748b}
.bdsc-empty .bdsc-lines p{color:#64748b;font-size:13px}

/* v1.1.2: only show the mobile bottom order bar when a product is selected */
@media(max-width:700px){.bdsc.bdsc-empty .bdsc-sticky{display:none!important}.bdsc:not(.bdsc-empty) .bdsc-sticky{display:flex}}

/* v2.1.2: Bengali typography and mobile-only presentation refinements */
.bdsc,.bdsc input,.bdsc textarea,.bdsc button,.bdsc select,.bdsc label,.bdsc legend{font-family:'Hind Siliguri','Noto Sans Bengali',system-ui,sans-serif}
.bdsc{font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
.bdsc h2,.bdsc h3{letter-spacing:0;line-height:1.45}
.bdsc button{touch-action:manipulation}
.bdsc-product:focus-within{outline:2px solid var(--bdsc-accent);outline-offset:2px}
.bdsc-billing input:focus-visible,.bdsc-billing textarea:focus-visible,.bdsc button:focus-visible{outline:2px solid var(--bdsc-accent);outline-offset:2px}
@media(max-width:700px){
 .bdsc{padding:14px 14px 128px;max-width:100%;overflow-wrap:anywhere}
 .bdsc h2{font-size:22px;line-height:1.5;margin:4px 0 20px}
 .bdsc-lead{font-size:16px;line-height:1.5}
 .bdsc-help{display:inline-block;font-size:12px}
 .bdsc-products{gap:12px;margin-bottom:24px}
 .bdsc-product{min-height:98px;padding:12px;border-radius:15px;box-shadow:0 2px 8px #14243b08}
 .bdsc-product.selected{box-shadow:0 0 0 1px var(--bdsc-accent),0 5px 18px #bf14250c}
 .bdsc-img{width:68px;height:72px;flex-shrink:0;border-radius:10px}
 .bdsc-img img{object-fit:contain}
 .bdsc-detail strong{font-size:15px;line-height:1.45}
 .bdsc-prices b{font-size:15px}
 .bdsc-qty button{min-width:38px;min-height:42px;font-size:20px}
 .bdsc-count{width:32px!important;font-size:15px!important}
 .bdsc-columns{gap:22px}
 .bdsc-billing h3,.bdsc-summary h3{font-size:20px;line-height:1.5}
 .bdsc-billing>label{font-size:15px;line-height:1.6;margin-bottom:15px}
 .bdsc-billing input:not([type=radio]),.bdsc-billing textarea{min-height:50px;border-radius:12px;font-size:16px;line-height:1.5}
 .bdsc-billing textarea{min-height:80px}
 .bdsc-billing fieldset .bdsc-radio{min-height:44px;display:inline-flex;align-items:center;font-size:15px}
 .bdsc-radio input{width:17px;height:17px}
 .bdsc-summary{padding:18px 15px;border-radius:16px}
 .bdsc-summary-row{font-size:14px;line-height:1.55}
 .bdsc-total{font-size:19px}
 .bdsc-submit{min-height:56px;font-size:17px;border-radius:13px}
 .bdsc-sticky{gap:10px;padding:10px max(14px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}
 .bdsc-sticky>div{min-width:94px}
 .bdsc-sticky small{font-size:12px}
 .bdsc-sticky strong{font-size:18px;line-height:1.25}
 .bdsc-sticky-go{min-height:52px;font-size:16px;border-radius:12px}
}
@media(max-width:380px){.bdsc{padding-left:10px;padding-right:10px}.bdsc-product{gap:6px;padding:9px}.bdsc-img{width:56px;height:64px}.bdsc-product-label{gap:7px}.bdsc-detail strong{font-size:13px}.bdsc-qty button{min-width:32px}.bdsc-count{width:26px!important}.bdsc-sticky-go{font-size:14px}}
@media(prefers-reduced-motion:reduce){.bdsc-product{transition:none}}

.bdsc .bdsc-size-field[hidden]{display:none!important}