/* ============================================================
   commerce.css — Giỏ hàng + Thanh toán (port từ cart/checkout.html).
   Nạp trên page-cart / page-checkout.
   ============================================================ */
.page{padding:34px 0 60px;min-height:60vh}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:14px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:var(--line-2)}
.crumb .cur{color:var(--ink-2);font-weight:500}
.page-title{font-family:var(--font-display);font-weight:800;font-size:34px;letter-spacing:-1px;margin-bottom:4px}
.page-sub{font-size:14.5px;color:var(--ink-3);margin-bottom:28px}
.page-sub b{color:var(--ink);font-weight:700}

/* ---------- Cart ---------- */
.cart-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:start}
.cart-list{display:flex;flex-direction:column;gap:14px}
.ci{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;transition:.2s;position:relative}
.ci:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.ci .thumb{width:148px;height:96px;border-radius:12px;flex-shrink:0;position:relative;overflow:hidden;color:#fff}
.ci .thumb .rb{position:absolute;inset:0}
.ci .thumb .rkw{position:absolute;inset:0;display:grid;place-items:center;padding:8px;text-align:center;font-family:var(--font-display);font-weight:800;font-size:14px;line-height:1.1;text-shadow:0 2px 8px rgba(0,0,0,.28)}
.ci .ci-body{flex:1;min-width:0;display:flex;flex-direction:column}
.ci .cat{font-size:12px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--brand-deep)}
.ci .t{font-family:var(--font-display);font-weight:700;font-size:16.5px;line-height:1.25;letter-spacing:-.3px;margin:3px 0 4px;color:var(--ink)}
.ci .t:hover{color:var(--brand-deep)}
.ci .au{font-size:13px;color:var(--ink-3)}
.ci .meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12.5px;color:var(--ink-3)}
.ci .meta span{display:inline-flex;align-items:center;gap:5px}
.ci .meta svg{width:14px;height:14px}
.ci .ci-foot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:auto;padding-top:8px;gap:10px}
.ci .price{display:flex;align-items:baseline;gap:9px}
.ci .now{font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.5px}
.ci .was{font-size:13.5px;color:var(--ink-3);text-decoration:line-through}
.ci .rm{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);padding:6px 10px;border-radius:9px;transition:.16s}
.ci .rm:hover{background:var(--brand-soft);color:var(--brand-deep)}
.ci .rm svg{width:15px;height:15px}
.cart-foot-actions{display:flex;justify-content:space-between;align-items:center;margin-top:18px;flex-wrap:wrap;gap:12px}
.cart-foot-actions .back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2)}
.cart-foot-actions .back:hover{color:var(--brand-deep)}
.cart-foot-actions .back svg{width:18px;height:18px}
.clear{font-size:13.5px;color:var(--ink-3)}
.clear:hover{color:var(--brand-deep)}

/* ---------- Summary (chung) ---------- */
.summary{position:sticky;top:90px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;overflow:hidden}
.summary h3{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:-.4px;margin-bottom:18px}
.promo-box{display:flex;gap:8px;margin-bottom:18px}
.promo-box input{flex:1;border:1.5px solid var(--line-2);background:var(--bg);border-radius:11px;padding:11px 13px;font-size:14px;font-family:inherit;text-transform:uppercase;color:var(--ink)}
.promo-box input::placeholder{text-transform:none;color:var(--ink-3)}
.promo-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.promo-box button{background:var(--ink);color:#fff;font-weight:700;font-size:13.5px;border-radius:11px;padding:0 16px;transition:.18s}
.promo-box button:hover{background:#332b22}
.promo-tag{display:flex;align-items:center;gap:8px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:600;padding:8px 12px;border-radius:10px;margin-bottom:16px}
.promo-tag svg{width:15px;height:15px}
.promo-tag .x{margin-left:auto;cursor:pointer;color:var(--green);opacity:.7}
.promo-tag .x:hover{opacity:1}
.srow{display:flex;justify-content:space-between;align-items:center;font-size:14.5px;color:var(--ink-2);padding:7px 0}
.srow .v{font-weight:600;color:var(--ink)}
.srow.save .v{color:var(--green)}
.sdiv{height:1px;background:var(--line);margin:12px 0}
.stotal{display:flex;justify-content:space-between;align-items:baseline}
.stotal .lb{font-weight:700;font-size:16px}
.stotal .v{font-family:var(--font-display);font-weight:800;font-size:28px;letter-spacing:-.8px;color:var(--ink)}
.saved-note{font-size:12.5px;color:var(--green);font-weight:600;text-align:right;margin-top:4px}
.page .btn{border:0;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;line-height:1.2;text-align:center;text-decoration:none;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}
.page .btn-primary{color:#fff;background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 14px 28px -14px rgba(15,80,26,.85)}
.page .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(15,80,26,.9)}
.page .btn svg{width:18px;height:18px;flex:0 0 18px}
.checkout-btn,.pay-now{width:100%;min-height:52px;padding:14px 18px;font-size:15.5px;margin-top:20px}
.checkout-btn svg,.pay-now svg{width:18px;height:18px;flex:0 0 18px}
.sec-row{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:14px;font-size:12.5px;color:var(--ink-3)}
.sec-row svg{width:15px;height:15px;flex:0 0 15px;color:var(--green)}

/* ---------- Empty ---------- */
.empty{text-align:center;padding:70px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.empty .em{width:84px;height:84px;border-radius:24px;margin:0 auto 22px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand)}
.empty .em svg{width:40px;height:40px}
.empty h3{font-family:var(--font-display);font-weight:800;font-size:24px;letter-spacing:-.5px;margin-bottom:8px}
.empty p{font-size:14.5px;color:var(--ink-3);margin-bottom:24px;max-width:380px;margin-left:auto;margin-right:auto}

/* ---------- Checkout ---------- */
.steps{display:flex;align-items:center;gap:12px;margin-bottom:30px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-3);font-weight:600}
.step .n{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:var(--surface);color:var(--ink-3);border:2px solid var(--line-2);transition:background .25s,border-color .25s,box-shadow .25s,color .25s}
.step .n svg{width:15px;height:15px}
.step.done{color:var(--ink-2)}
.step.done .n{background:var(--brand);border-color:var(--brand);color:#fff}
.step.active{color:var(--ink)}
.step.active .n{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 0 0 4px var(--brand-soft)}
/* Đường nối là <span class="line"> ANH-EM giữa các .step (không phải con) → dùng .steps .line. */
.steps .line{flex:0 0 46px;width:46px;height:2px;background:var(--line-2);border-radius:2px}
.step.done + .line{background:var(--brand)}
.co-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;margin-bottom:20px}
.panel-h{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.panel-h .pn{width:28px;height:28px;border-radius:9px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:14px;flex-shrink:0}
.panel-h h3{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:-.4px}
.login-notice{display:flex;align-items:center;gap:10px;background:var(--brand-soft);border-color:var(--brand-soft);color:var(--ink-2);font-size:14px}
.login-notice svg{width:18px;height:18px;color:var(--brand-deep);flex-shrink:0}
.login-notice a{color:var(--brand-deep);font-weight:700}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:15px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink-2)}
.field input{width:100%;border:1.5px solid var(--line-2);background:var(--surface);border-radius:12px;padding:12px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.pm-list{display:flex;flex-direction:column;gap:11px}
.pm{display:flex;align-items:center;gap:13px;border:1.5px solid var(--line-2);border-radius:13px;padding:14px 16px;transition:.18s;cursor:pointer}
.pm:focus-visible{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.pm.sel{border-color:var(--brand);background:var(--brand-soft)}
.pm .radio{width:20px;height:20px;border-radius:50%;border:2px solid var(--line-2);flex-shrink:0;display:grid;place-items:center;transition:.18s}
.pm.sel .radio{border-color:var(--brand)}
.pm.sel .radio::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--brand)}
.pm .pm-ic{width:42px;height:30px;border-radius:7px;display:grid;place-items:center;color:#fff;flex-shrink:0}
.pm .pm-ic svg{width:20px;height:20px}
.pm .nm{font-weight:600;font-size:14.5px}
.pm .ds{font-size:12.5px;color:var(--ink-3)}
.pm .grow{flex:1}
.oi{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.oi .th{width:66px;height:46px;border-radius:9px;flex-shrink:0;position:relative;overflow:hidden;color:#fff}
.oi .th .rb{position:absolute;inset:0}
.oi .th .rkw{position:absolute;inset:0;display:grid;place-items:center;padding:3px;text-align:center;font-family:var(--font-display);font-weight:800;font-size:8.5px;line-height:1;text-shadow:0 1px 4px rgba(0,0,0,.3)}
.oi .ot{flex:1;min-width:0;font-size:13.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.oi .op{font-family:var(--font-display);font-weight:800;font-size:14px;white-space:nowrap}
.terms-note{font-size:12px;color:var(--ink-3);text-align:center;margin-top:12px;line-height:1.5}

/* ---------- QR screen ---------- */
.qr-screen{max-width:560px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;text-align:center}
.qr-screen h2{font-family:var(--font-display);font-weight:800;font-size:23px;letter-spacing:-.5px;margin-bottom:6px}
.qr-screen .sub{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.qr-img{width:240px;height:240px;margin:0 auto 18px;border:1px solid var(--line);border-radius:16px;padding:8px;background:#fff;object-fit:contain}
.manual-badge{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 18px;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(15,80,26,.2);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700}
.qr-bank{text-align:left;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px;margin:0 auto 18px;max-width:380px}
.qr-bank .r{display:flex;justify-content:space-between;gap:12px;padding:6px 0;font-size:14px;color:var(--ink-2)}
.qr-bank .r b{color:var(--ink);font-weight:700;text-align:right}
.qr-bank .r .copy{cursor:pointer;color:var(--brand-deep);font-size:12px;margin-left:6px}
.qr-wait{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);background:var(--bg-2);border-radius:30px;padding:9px 16px}
.qr-spin{width:18px;height:18px;border:2.5px solid var(--line-2);border-top-color:var(--brand);border-radius:50%;animation:vtsspin .8s linear infinite}
@keyframes vtsspin{to{transform:rotate(360deg)}}
.qr-note{font-size:12.5px;color:var(--ink-3);margin-top:14px;line-height:1.6}

/* ---------- Success overlay ---------- */
.success{position:fixed;inset:0;z-index:300;background:rgba(23,19,16,.55);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:24px;opacity:0;transition:opacity .3s}
.success.show{display:flex;opacity:1}
.success .box{background:var(--surface);border-radius:24px;box-shadow:var(--shadow-lg);max-width:440px;width:100%;padding:40px 34px;text-align:center;transform:translateY(16px) scale(.97);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.success.show .box{transform:none}
.success .ring{width:92px;height:92px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;background:var(--green-soft);color:var(--green)}
.success .ring svg{width:48px;height:48px}
.success h2{font-family:var(--font-display);font-weight:800;font-size:26px;letter-spacing:-.6px;margin-bottom:10px}
.success p{font-size:14.5px;color:var(--ink-2);margin-bottom:6px}
.success .oid{font-size:13px;color:var(--ink-3);margin-bottom:24px}
.success .oid b{color:var(--ink);font-variant-numeric:tabular-nums}
.success .acts{display:flex;flex-direction:column;gap:10px}
.success .acts .btn{width:100%;padding:13px}

@media(max-width:920px){.cart-layout,.co-layout{grid-template-columns:1fr}.summary{position:static}}
@media(max-width:560px){
  .page-title{font-size:27px}.grid2{grid-template-columns:1fr}
  .ci{gap:12px;padding:12px}
  .ci .thumb{width:104px;height:74px}
  .ci .thumb .rkw{font-size:10px;padding:5px}
  .ci .meta{display:none}
  .ci .t{font-size:14.5px;margin:2px 0 3px}
  .ci .now{font-size:17px}
  .ci .price{flex-direction:column;align-items:flex-start;gap:1px}
}