/* ===== Ecom Lab v3 – thành phần dùng chung (trang chủ, sản phẩm, giỏ hàng, đơn hàng) ===== */
/* Trang chủ */
.needs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}
.needs span{font-size:13px;color:var(--muted);font-weight:600;margin-right:2px}
.needs a{font-size:13.5px;font-weight:700;padding:7px 13px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--c);white-space:nowrap}
.needs a:hover{border-color:var(--c)}
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:none}
.flow li{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 18px}
.flow li:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:26px;color:var(--brand);font-weight:800;z-index:1}
.flow i{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;font-style:normal;font-weight:800;margin-bottom:10px}
.flow b{display:block;font-size:16px;margin-bottom:4px}
.flow p{font-size:14px;color:var(--muted)}
.detail-link{display:block;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:14px;font-weight:700;color:var(--brand)}
.detail-link.light{border:0;padding-top:6px;color:inherit;opacity:.9;text-decoration:underline;font-weight:600}
.card h3 a:hover{color:var(--brand)}
.steps-note{margin-top:16px;font-size:13.5px;color:var(--muted)}
.steps-note a{color:var(--brand);font-weight:600}
.d-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}
.combo-tip{font-size:13px;color:var(--muted);padding-top:14px}
.combo-tip a{color:var(--brand);font-weight:600}
.item-plan{display:block;font-size:12.5px;color:var(--muted)}
#checkoutBtn.off{opacity:.5;pointer-events:none}
.copy a{text-decoration:underline}
@media(max-width:900px){.flow{grid-template-columns:repeat(2,minmax(0,1fr))}.flow li:nth-child(2)::after{display:none}}
@media(max-width:640px){
  main>#quy-trinh{order:2}
  .needs{flex-wrap:nowrap;overflow-x:auto;margin:16px -16px 0;padding:2px 16px 6px;scrollbar-width:none}
  .needs::-webkit-scrollbar{display:none}
  .needs span{flex:none}
  .flow{grid-template-columns:1fr;gap:10px}.flow li{padding:14px 16px 14px 60px}.flow i{position:absolute;left:16px;top:14px}.flow li::after{display:none}
}

/* Hộp chép tay */
.cbox{position:fixed;inset:0;z-index:95;background:rgba(15,23,41,.45);display:none;align-items:flex-end;justify-content:center;padding:16px}
.cbox.on{display:flex}
.cbox-in{background:#fff;border-radius:16px;padding:18px;width:min(460px,100%)}
.cbox-in p{font-size:13.5px;color:var(--muted);margin:4px 0 10px}
.cbox-in textarea{width:100%;font:inherit;font-size:15px;padding:10px;border:1px solid var(--brand);border-radius:10px;margin-bottom:10px}

/* Trang con: đầu trang đơn giản */
.sub-h .menu{gap:22px}
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--brand)}
.pg{padding:20px 0 64px}
.pg h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.03em;line-height:1.15}
.box{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.box+.box{margin-top:16px}
.box h2{font-size:19px;letter-spacing:-.01em;margin-bottom:12px}
.box h3{font-size:16px;margin:14px 0 6px}
.muted{color:var(--muted)}
.sample{display:inline-block;font-size:12px;font-weight:700;color:#a35a00;background:#fff4e6;border:1px solid #ffd8a8;border-radius:8px;padding:2px 8px;margin-left:6px;vertical-align:middle}
.pending-txt{color:#a35a00;font-weight:600}
.btn-sm{padding:9px 14px;font-size:14px;border-radius:10px}
.btn-zalo{background:#0068ff;color:#fff}
.btn-block{width:100%}
.btn[disabled],.btn.busy{opacity:.6;pointer-events:none}
.tick{list-style:none}
.tick li{position:relative;padding:6px 0 6px 28px;font-size:15px}
.tick li::before{content:"✓";position:absolute;left:2px;top:6px;color:var(--brand);font-weight:800}
.tick.warn li::before{content:"!";color:#d9480f;width:18px;text-align:center}
.tick.no li::before{content:"✕";color:#c92a2a}
.kv{width:100%;border-collapse:collapse;font-size:14.5px}
.kv th,.kv td{text-align:left;vertical-align:top;padding:10px 0;border-bottom:1px solid var(--line)}
.kv th{width:34%;color:var(--muted);font-weight:600;padding-right:14px}
.kv tr:last-child th,.kv tr:last-child td{border-bottom:0}

/* Trang sản phẩm */
.pd-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:28px;align-items:start;margin-top:14px}
.pd-tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--c);background:color-mix(in srgb,var(--c) 12%,#fff);padding:5px 12px;border-radius:999px;margin-bottom:10px}
.pd-lead{font-size:17px;color:var(--muted);margin:12px 0 14px}
.aud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.aud span{font-size:13px;font-weight:600;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.buy{position:sticky;top:84px}
.buy .price{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.buy .price s{font-size:16px;color:var(--muted);font-weight:500;margin-right:8px}
.plans{display:grid;gap:8px;margin:14px 0}
.plan-opt{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer}
.plan-opt:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.plan-opt input{margin-top:4px;accent-color:var(--brand)}
.plan-opt b{display:block;font-size:15px}
.plan-opt small{display:block;color:var(--muted);font-size:13px}
.plan-opt em{margin-left:auto;font-style:normal;font-weight:800;white-space:nowrap}
.buy-btns{display:grid;gap:10px}
.buy-btns .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.buy small.note{display:block;font-size:12.5px;color:var(--muted);margin-top:10px}
.pd-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;margin-top:16px}
.pd-grid>.box+.box{margin-top:0}
.pd-full{grid-column:1/-1}
.demo-fig{margin:0}
.demo-fig img{border-radius:12px;border:1px solid var(--line);width:100%;height:auto;cursor:zoom-in}
.demo-fig figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.demo-badge{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.04em;background:var(--ink);color:#fff;border-radius:6px;padding:2px 7px;margin-right:6px}
.box .demo{border:1px solid var(--line);border-radius:12px;padding:14px}
.wf{list-style:none;counter-reset:w;display:grid;gap:10px}
.wf li{counter-increment:w;position:relative;padding-left:40px;font-size:15px}
.wf li::before{content:counter(w);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-weight:800;display:grid;place-items:center}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px}
.cmp th,.cmp td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.cmp thead th{background:var(--bg)}
.cmp-wrap{overflow-x:auto}
.pd-faq details{border-bottom:1px solid var(--line);padding:12px 0}
.pd-faq summary{font-weight:600;cursor:pointer}
.pd-faq p{margin-top:8px;color:var(--muted);font-size:14.5px}
.rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.rel a{display:block;border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--surface)}
.rel a b{display:block;color:var(--c)}
.rel a small{color:var(--muted)}
.sbar{display:none}
.shot-view{position:fixed;inset:0;z-index:80;background:rgba(8,20,40,.88);display:none;align-items:center;justify-content:center;padding:16px;cursor:zoom-out}
.shot-view.show{display:flex}
.shot-view img{max-width:100%;max-height:100%;border-radius:10px}
@media(max-width:900px){.pd-hero{grid-template-columns:minmax(0,1fr)}.buy{position:static}.pd-grid{grid-template-columns:minmax(0,1fr)}.rel{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){
  .pg{padding:8px 0 96px}
  .box{padding:18px 16px;border-radius:16px}
  .pd-lead{font-size:15.5px}
  .rel{grid-template-columns:minmax(0,1fr)}
  .kv th{width:40%}
  .sbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:44;gap:8px;align-items:center;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -10px 24px -16px rgba(8,35,67,.4)}
  .sbar .p{flex:1;min-width:0;line-height:1.2}
  .sbar .p b{display:block;font-size:17px}
  .sbar .p small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
  .sbar .btn{padding:12px 14px;font-size:14.5px}
  body.has-sbar .zfloat{bottom:84px}
  body.has-sbar .toast{bottom:90px}
}

/* Giỏ hàng & đặt hàng */
.co3{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;align-items:start;margin-top:14px}
.sum{position:sticky;top:84px}
.ln{display:flex;gap:12px;justify-content:space-between;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.ln:first-of-type{padding-top:4px}
.ln b{display:block;font-size:15.5px}
.ln a.nm:hover{color:var(--brand)}
.ln select{margin-top:6px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:13.5px;background:var(--bg);max-width:100%}
.ln .pr{text-align:right;white-space:nowrap;font-weight:700}
.ln .pr s{display:block;font-size:12.5px;color:var(--muted);font-weight:500}
.ln .rm{display:inline-block;margin-top:6px}
.msgs{font-size:13.5px;color:#a35a00;background:#fff8ec;border-radius:10px;padding:10px 12px;margin-top:12px}
.msgs:empty{display:none}
.sug{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:1.5px dashed var(--brand);border-radius:12px;padding:12px 14px;margin-top:14px;background:var(--brand-soft);font-size:14px}
.cpn{display:flex;gap:8px;margin-top:6px}
.cpn input{flex:1;min-width:0;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;text-transform:uppercase;background:var(--bg)}
.cpn-msg{font-size:13px;margin-top:6px;min-height:1em}
.cpn-msg.ok{color:var(--brand);margin:6px 0 0}
.cpn-msg.bad{color:#c92a2a}
.tot{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.tot div{display:flex;justify-content:space-between;padding:4px 0;font-size:15px}
.tot .g{font-size:20px;font-weight:800;padding-top:8px}
.tot .g b{color:var(--brand)}
.tot small{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.field .hint2{display:block;font-size:12.5px;color:var(--muted);margin-top:5px;font-weight:400}
.field input.invalid,.field textarea.invalid{border-color:#d6336c;background:#fff5f7}
.field input[aria-invalid="true"]{border-color:#d6336c}
.fe{display:block;color:#c92a2a;font-size:12.5px;margin-top:4px;min-height:0}
.fe:empty{display:none}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin:10px 0}
.chk input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--brand)}
.chk a{color:var(--brand);text-decoration:underline}
.review{background:var(--bg);border-radius:12px;padding:12px 14px;font-size:14px}
.review div{display:flex;justify-content:space-between;gap:10px;padding:3px 0}
.review span{color:var(--muted)}
.alert{border-radius:12px;padding:12px 14px;font-size:14px;margin:12px 0}
.alert.bad{background:#fff0f3;color:#a61e4d;border:1px solid #fcc2d7}
.alert.info{background:#e7f5ff;color:#1864ab;border:1px solid #a5d8ff}
.alert.ok{background:var(--brand-soft);color:#066b65;border:1px solid #96e0db}
.alert:empty{display:none}
.empty-cart{text-align:center;padding:40px 10px}
.empty-cart p{color:var(--muted);margin:8px 0 18px}
.trust{display:grid;gap:8px;margin-top:14px;font-size:13.5px;color:var(--muted)}
.trust div{display:flex;gap:8px}
@media(max-width:900px){.co3{grid-template-columns:minmax(0,1fr)}.sum{position:static}}

/* Trang đơn hàng */
.od-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.od-code{display:flex;align-items:center;gap:10px;font-size:15px}
.od-code b{font-size:22px;letter-spacing:.03em}
.chips3{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.st{font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:999px;background:#eef0f4;color:var(--muted)}
.st.wait{background:#fff0db;color:#b35200}.st.ok{background:var(--brand-soft);color:#066b65}.st.bad{background:#ffe3e3;color:#c92a2a}.st.info{background:#e7f5ff;color:#1864ab}
.track{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:18px 0 4px}
.track li{font-size:12.5px;font-weight:600;color:var(--muted);text-align:center;position:relative;padding-top:30px}
.track li::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:22px;height:22px;border-radius:50%;border:2px solid var(--line);background:#fff}
.track li.done{color:#066b65}.track li.done::before{background:var(--brand);border-color:var(--brand);content:"✓";color:#fff;font-size:12px;display:grid;place-items:center;line-height:18px}
.track li.now{color:var(--ink)}.track li.now::before{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.msgbox{white-space:pre-wrap;background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:12px 14px;font-size:14px;font-family:inherit;margin:10px 0}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.actions .btn{flex:1 1 200px}
.fallback{display:flex;gap:14px;align-items:center;margin-top:14px;font-size:13.5px;color:var(--muted)}
.fallback img{width:92px;height:92px;border-radius:10px;border:1px solid var(--line);flex:none}
.pay{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:start}
.pay img.qr{width:220px;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}
.pay-rows div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.pay-rows span{color:var(--muted)}
.pay-rows b{text-align:right}
.pay-rows button{font-size:12.5px;color:var(--brand);font-weight:700;margin-left:6px}
.ol{display:grid;gap:10px}
.ol a{display:flex;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--surface)}
.ol a:hover{border-color:var(--brand)}
.ol small{color:var(--muted)}
.skeleton{color:var(--muted);padding:30px 0;text-align:center}
@media(max-width:640px){.pay{grid-template-columns:1fr}.pay img.qr{width:min(260px,100%);margin:0 auto}.track li{font-size:11.5px}.od-code b{font-size:19px}}

/* Sản phẩm hiện ngay sau phần giới thiệu; trên điện thoại ảnh demo mở bằng nút "Xem demo" */
@media(max-width:640px){.hero .hero-visual{display:none}.hero{padding-bottom:6px}#san-pham{padding-top:18px}}
.hero-grid>*{min-width:0}
@media(max-width:960px){.hero-grid{grid-template-columns:minmax(0,1fr)!important}}
body.has-sbar .zfloat{bottom:calc(84px + env(safe-area-inset-bottom))!important}
@media(min-width:641px){body.has-sbar .zfloat{bottom:18px!important}}
.od-code{flex-wrap:wrap;row-gap:4px}