:root{--red:#a30d25;--red2:#c51b35;--ink:#171717;--muted:#777;--paper:#f7f5f2;--line:#e9e5e2;--white:#fff}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:'Be Vietnam Pro',Arial,sans-serif;background:#fff;font-size:14px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{background:#800b20;color:#fff;text-align:center;padding:9px 12px;font-size:11px;letter-spacing:.3px}.topbar span{margin:0 14px}.header{display:flex;align-items:center;gap:28px;padding:17px max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}.logo{font-size:26px;font-weight:800;letter-spacing:-1.4px;white-space:nowrap}.logo:first-letter{color:var(--red)}.search{display:flex;flex:1;max-width:620px;border:1px solid #ddd;border-radius:7px;overflow:hidden}.search input{border:0;padding:12px 15px;outline:none;flex:1;min-width:0}.search button{border:0;background:var(--red);color:#fff;padding:0 20px;font-size:22px}.header nav{display:flex;gap:18px;align-items:center;white-space:nowrap}.header nav a:hover,.categories a:hover{color:var(--red)}.categories{display:flex;justify-content:center;gap:28px;padding:13px 18px;border-bottom:1px solid var(--line);font-size:12px;white-space:nowrap;overflow:auto}.categories a:first-child{color:var(--red);font-weight:700}.container{max-width:1240px;margin:auto;padding:24px}.hero{min-height:300px;border-radius:12px;overflow:hidden;background:radial-gradient(circle at 75% 25%,#cf4a5b 0,transparent 27%),linear-gradient(115deg,#67071a,#a30d25 55%,#510514);color:white;display:flex;align-items:center;justify-content:space-between;padding:42px 7%;position:relative}.hero small{letter-spacing:2px;opacity:.8}.hero h1{font-size:clamp(30px,4vw,54px);line-height:1.05;margin:18px 0 10px;letter-spacing:-2px}.hero h1 strong{font-size:1.35em}.hero p{color:#f4dfe2}.hero-art{font-size:150px;font-weight:800;line-height:.75;color:#ffffff18;transform:rotate(-9deg);text-align:center}.hero-art span{font-size:18px;letter-spacing:8px;color:#fff9}.btn{display:inline-flex;justify-content:center;align-items:center;background:var(--red);color:#fff;border:1px solid var(--red);border-radius:6px;padding:12px 18px;font-weight:700}.btn:hover{background:#85091e}.btn.light{background:#fff;color:var(--red);border-color:#fff;margin-top:8px}.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:15px 0 36px}.benefits>div{background:var(--paper);padding:17px;border-radius:7px;color:var(--red);display:grid;grid-template-columns:26px 1fr;align-items:center;gap:2px 9px}.benefits b{color:#333;font-size:12px}.benefits small{grid-column:2;color:var(--muted);font-size:10px}.section-title{display:flex;align-items:end;justify-content:space-between;margin:22px 0}.section-title small{color:var(--red);letter-spacing:2px;font-weight:700}.section-title h2,.section-title h1{margin:6px 0;font-size:25px}.section-title>span{color:var(--muted)}.shop-layout{display:grid;grid-template-columns:220px 1fr;gap:20px}.filters{border:1px solid var(--line);border-radius:8px;padding:16px;height:max-content}.filters h3{font-size:13px;margin:0 0 12px}.filters>a{display:block;padding:7px 4px;color:#555;font-size:12px}.filters>a:first-of-type{color:var(--red);font-weight:700}.filters hr{border:0;border-top:1px solid var(--line);margin:16px 0}.chips{display:flex;gap:5px;flex-wrap:wrap}.chips button{background:#fff;border:1px solid var(--line);border-radius:4px;padding:7px 9px}.swatches{display:flex;gap:9px}.swatches i{width:22px;height:22px;border-radius:50%;border:1px solid #ddd}.muted{color:var(--muted)}.sortbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.sortbar button,.admin-tabs button{border:1px solid var(--line);background:#fff;padding:9px 13px;border-radius:20px;color:#555}.sortbar button.active,.admin-tabs button.active{background:var(--red);border-color:var(--red);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.product-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:transform .18s,box-shadow .18s;background:#fff}.product-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000000d}.product-image{aspect-ratio:1/1;background:#f0efed;display:block;position:relative;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}.tag{position:absolute;top:9px;left:9px;background:var(--red);color:white;font-size:10px;padding:4px 6px;border-radius:3px}.product-info{padding:11px}.product-name{font-size:12px;line-height:1.5;height:36px;overflow:hidden;display:block}.price{color:var(--red);font-size:17px;font-weight:800;margin-top:7px}.old-price{font-size:10px;color:#999;text-decoration:line-through;margin-left:5px;font-weight:400}.product-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;color:#777;font-size:10px}.product-meta button{border:0;border-radius:5px;background:var(--red);color:#fff;padding:7px 9px}.product-meta .star{color:#e5a000}.detail{display:grid;grid-template-columns:1fr 1fr;gap:42px;padding:22px 0}.detail-image{width:100%;aspect-ratio:1/1;object-fit:cover;background:#f1f0ef;border-radius:10px}.detail h1{font-size:27px;line-height:1.3}.detail-price{font-size:30px;font-weight:800;color:var(--red);margin:18px 0}.variant-group{margin:22px 0}.variant-group h3{font-size:13px}.variant-options{display:flex;flex-wrap:wrap;gap:8px}.variant-options button{border:1px solid #ddd;background:#fff;border-radius:5px;padding:10px 13px}.variant-options button.selected{border:1px solid var(--red);color:var(--red);background:#fff6f7}.detail-actions{display:flex;gap:10px;margin-top:25px}.detail-actions>*{flex:1}.auth-wrap{min-height:70vh;display:grid;place-items:center;padding:28px;background:var(--paper)}.auth-card{background:white;padding:32px;border-radius:12px;box-shadow:0 10px 40px #0000000b;width:min(100%,420px)}.auth-card h1{margin:0 0 8px}.auth-card label,.panel label,.form-grid label{display:grid;gap:7px;margin:14px 0;font-size:12px;font-weight:600}.auth-card input,.panel input,.panel textarea,.form-grid input,.form-grid textarea{border:1px solid #ddd;border-radius:6px;padding:12px;width:100%;outline-color:var(--red)}.auth-card .btn{width:100%;margin-top:10px}.panel{border:1px solid var(--line);border-radius:10px;padding:22px;margin:18px 0;background:#fff}.checkout-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.checkout-grid textarea{min-height:80px}.radio{display:flex!important;grid-template-columns:20px 1fr!important;align-items:center}.radio input{width:auto!important}.checkout-grid .btn{width:100%;margin-top:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.form-grid .wide{grid-column:1/-1}.hidden{display:none!important}.admin-tabs{display:flex;gap:8px;margin:20px 0}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:var(--paper)}td select{padding:6px;border:1px solid var(--line);border-radius:4px}footer{margin-top:55px;background:var(--paper);padding:35px 24px}.footer-inner{max-width:1120px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-inner>div{display:flex;flex-direction:column;gap:10px}.footer-inner p,.footer-inner a:not(.logo){font-size:12px;color:#666}.copyright{text-align:center;border-top:1px solid #e7e2de;padding-top:20px;margin:25px 0 0;color:#888;font-size:11px}.text-button{border:0;background:transparent;color:var(--red)}@media(max-width:1000px){.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header{gap:14px}.categories{justify-content:flex-start}.container{padding:18px}}@media(max-width:700px){.topbar{font-size:9px}.topbar span{display:none}.header{padding:13px 15px;gap:12px;flex-wrap:wrap}.logo{font-size:23px}.header .search{order:3;flex-basis:100%;max-width:none}.header nav{margin-left:auto;font-size:11px;gap:10px}.categories{gap:19px;padding:12px 15px}.container{padding:14px}.hero{min-height:245px;padding:28px 22px}.hero-art{font-size:90px;position:absolute;right:14px;bottom:25px}.hero h1{font-size:31px}.hero p{font-size:12px;max-width:220px}.benefits{grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:25px}.benefits>div{padding:12px}.section-title{align-items:start}.section-title>span{display:none}.section-title h2{font-size:21px}.shop-layout{display:block}.filters{display:none}.sortbar{overflow:auto;flex-wrap:nowrap}.sortbar button{white-space:nowrap}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.product-info{padding:9px}.price{font-size:15px}.product-name{font-size:11px}.detail{grid-template-columns:1fr;gap:15px;padding-top:10px}.detail h1{font-size:22px}.detail-price{font-size:25px}.checkout-grid{grid-template-columns:1fr;gap:8px}.footer-inner{grid-template-columns:1fr 1fr;gap:20px}.footer-inner>div:first-child{grid-column:1/-1}.auth-card{padding:24px}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.panel{padding:15px}.section-title h1{font-size:23px}}
/* ===== Bổ sung: tiện ích dùng chung ===== */
.hidden{display:none!important}.center{text-align:center}.muted{color:var(--muted)}.narrow{max-width:90px}
.form-msg{color:#b00020;font-size:13px;margin:8px 0;min-height:1em}
.pagination{display:flex;gap:6px;justify-content:center;align-items:center;margin:20px 0;flex-wrap:wrap}
.pagination button{min-width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:0 10px}
.pagination button.active{background:var(--red);border-color:var(--red);color:#fff}.pagination button:disabled{opacity:.4;cursor:default}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#171717;color:#fff;padding:12px 20px;border-radius:8px;opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90vw}
.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{background:#b00020}
.price-range{display:flex;gap:8px;align-items:center}.price-range input{width:100%}
.products-area{min-width:0}

/* ===== Trang quản trị ===== */
.admin-header{justify-content:space-between}.container.admin{max-width:1280px;margin:0 auto;padding:20px 16px 60px}
.admin-nav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:12px}
.admin-nav button{border:1px solid var(--line);background:#fff;padding:9px 15px;border-radius:6px}
.admin-nav button.active{background:var(--red);color:#fff;border-color:var(--red)}
.admin-panel{background:#fff}.panel-head{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap;margin-bottom:14px}
.panel-head h2{margin:0;font-size:20px}
.filters-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.filters-row input,.filters-row select,.admin-form input,.admin-form select,.admin-form textarea,#modalBody input,#modalBody select,#modalBody textarea,.url-add input{border:1px solid #ddd;border-radius:6px;padding:9px 11px;background:#fff;min-width:0}
.admin-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:14px}
.admin-form.inline{align-items:end}.admin-form label,#modalBody label{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:600}
.admin-form .wide{grid-column:1/-1}.admin-form textarea{min-height:110px;resize:vertical}
#modalBody label{margin-bottom:12px}.admin-note{color:var(--muted);font-size:12px;margin:8px 0}
.admin-msg{min-height:1.2em;font-size:13px;color:#0a7a3b}.admin-msg.error{color:#b00020}
.admin-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:18px}
.admin-kpi{border:1px solid var(--line);border-radius:10px;padding:16px;background:var(--paper)}
.admin-kpi span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.admin-kpi strong{font-size:22px}
.admin-scroll{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th,.admin-table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.admin-table th{background:var(--paper);font-weight:700;white-space:nowrap}.admin-table tr.is-hidden{opacity:.55}
.admin-table input,.admin-table select{border:1px solid #ddd;border-radius:5px;padding:6px 8px;width:100%;min-width:70px;background:#fff}
.admin-table input[type=checkbox]{width:auto;min-width:0}.admin-table input[type=color]{padding:0;min-width:42px;height:32px}
.var-table input.narrow{min-width:60px}.admin-action{display:flex;gap:6px;flex-wrap:wrap}
.btn-sm{display:inline-block;border:1px solid #ccc;background:#fff;border-radius:5px;padding:6px 10px;font-size:12px;white-space:nowrap}
.btn-sm:hover{border-color:var(--red);color:var(--red)}.btn-sm.danger,button.danger{color:#b00020;border-color:#e3b3bb}
.btn-primary{background:var(--red);color:#fff;border:0;border-radius:6px;padding:11px 20px;font-weight:700}.btn-primary:hover{background:var(--red2)}
.btn-primary:disabled{opacity:.6;cursor:wait}#modalOk.danger{background:#b00020;color:#fff;border:0}
.text-button{background:none;border:0;color:var(--red);padding:6px 0;text-decoration:underline}
.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:11px;background:#eee}
.badge.ps-active{background:#dff3e6;color:#0a6b33}.badge.ps-draft{background:#fff3cd;color:#8a6500}.badge.ps-archived{background:#eee;color:#666}
.thumb{width:48px;height:60px;object-fit:cover;border-radius:5px;background:#eee;display:block}.thumb.empty{border:1px dashed #ccc}
.low{color:#b00020}.check{display:flex;gap:6px;align-items:center;font-weight:400}
.form-actions,.var-actions,.modal-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0}
.editor-section{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.dropzone{display:flex;flex-direction:column;align-items:center;gap:4px;border:2px dashed #ccc;border-radius:10px;padding:22px;text-align:center;cursor:pointer;background:var(--paper)}
.dropzone.drag{border-color:var(--red);background:#fdeef0}.dropzone.busy{opacity:.6;cursor:wait}.dropzone input{display:none}
.url-add{display:flex;gap:8px;margin:12px 0}.url-add input{flex:1}
.image-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.image-item{position:relative;border:2px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.image-item.cover{border-color:var(--red)}.image-item img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover}
.image-item img.broken{opacity:.2}.cover-badge{position:absolute;top:6px;left:6px;background:var(--red);color:#fff;font-size:10px;padding:3px 7px;border-radius:4px}
.image-tools{display:flex;flex-wrap:wrap;gap:3px;padding:5px}.image-tools button{flex:1;border:1px solid #ddd;background:#fff;border-radius:4px;font-size:11px;padding:4px}
.image-tools button:disabled{opacity:.3}
dialog#modal{border:0;border-radius:12px;padding:0;width:min(560px,94vw);max-height:90vh}dialog#modal::backdrop{background:rgba(0,0,0,.5)}
dialog#modal form{padding:20px;display:flex;flex-direction:column;max-height:90vh}dialog#modal h3{margin:0 0 14px}#modalBody{overflow:auto;flex:1}
#modalErr{color:#b00020;font-size:13px;min-height:1em}.modal-actions{justify-content:flex-end}
.order-detail .sum-line{display:flex;justify-content:space-between;gap:12px}
@media(max-width:700px){.admin-form{grid-template-columns:1fr}.container.admin{padding:14px 10px}}

/* ===== Cập nhật: menu, thẻ sản phẩm, trang chi tiết, đánh giá, đăng nhập ===== */
.header nav{font-size:16px;font-weight:600;gap:24px}.header nav a,.header nav .text-button{padding:6px 2px;font-size:16px}
.header nav .text-button{color:inherit;text-decoration:none;border:0;background:none}
.header nav a[href="/dang-nhap"],.header nav a[href="/dang-ky"],.header nav a[href="/gio-hang"]{font-size:16.5px}
#cartCount{background:var(--red);color:#fff;border-radius:99px;padding:1px 7px;font-size:12px;margin-left:2px}
@media(max-width:700px){.header nav{gap:12px;font-size:13px}.header nav a,.header nav .text-button,.header nav a[href="/dang-nhap"],.header nav a[href="/dang-ky"],.header nav a[href="/gio-hang"]{font-size:13px}}
.pc-meta{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:6px;font-size:11px;color:#777}
.pc-rating b{color:#e0a100;font-weight:700}.pc-rating.none{color:#aaa}.pc-sold{white-space:nowrap}
.tag-video{position:absolute;right:8px;bottom:8px;background:#000a;color:#fff;border-radius:99px;width:24px;height:24px;display:grid;place-items:center;font-size:10px}
.tag.out{background:#555;left:auto;right:9px}
.stars{display:inline-block;letter-spacing:1px;font-size:14px;background:linear-gradient(90deg,#f5a800 var(--r),#ddd var(--r));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.rating-line{display:flex;align-items:center;gap:12px;margin:6px 0 4px;font-size:14px;flex-wrap:wrap}.rating-line a{color:inherit}
.rl-rating b{color:#e0a100;font-size:16px;margin-right:4px;text-decoration:underline}.rl-sep{width:1px;height:16px;background:#ddd}
.product-root{padding-bottom:24px}.detail{align-items:start}.detail-info h1{margin:6px 0;font-size:20px;font-weight:400;line-height:1.4}
.crumbs{font-size:12px}.detail-price{margin:12px 0;background:#fafafa;padding:12px 14px;border-radius:8px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.detail-price .old-price{font-size:15px}.tag-sale{background:var(--red);color:#fff;font-size:12px;padding:2px 6px;border-radius:3px;font-weight:700}
.variant-group h3{font-size:12px;letter-spacing:.4px;margin:0 0 9px;color:#444}.variant-group{margin:16px 0}
.variant-options button{display:inline-flex;align-items:center;gap:7px;min-width:44px;justify-content:center}
.variant-options button.unavailable{color:#aaa;text-decoration:line-through;background:#f7f7f7}
.dot{display:inline-block;width:14px;height:14px;border-radius:50%;border:1px solid #0003}
.stock{font-size:13px;font-weight:600}.stock.in{color:#0a7a3b}.stock.pre{color:#b36b00}.stock.out{color:#b00020}
.qty-row{display:flex;align-items:center;gap:14px;margin:12px 0}.qty{display:inline-flex;border:1px solid #ddd;border-radius:5px;overflow:hidden}
.qty button{width:34px;border:0;background:#fff;font-size:17px}.qty input{width:52px;text-align:center;border:0;border-left:1px solid #ddd;border-right:1px solid #ddd;font-size:15px;-moz-appearance:textfield}
.qty.small button{width:28px;height:28px}.qty.small span{min-width:30px;text-align:center;align-self:center}
.small{font-size:12px}.muted{color:var(--muted)}.red{color:var(--red)}.big{font-size:20px}.right{float:right}
.notice{background:#fff7e0;border:1px solid #f0d78a;padding:10px 12px;border-radius:6px}.ok{color:#0a7a3b}
.gallery-main{background:#f1f0ef;border-radius:10px;overflow:hidden}.detail-video{background:#000;object-fit:contain}
.no-img{display:grid;place-items:center;color:#999}
.thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.thumbs button{border:2px solid transparent;padding:0;border-radius:6px;overflow:hidden;width:68px;height:68px;flex:none;background:#eee}
.thumbs button.active{border-color:var(--red)}.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.vthumb{position:relative;display:block;width:100%;height:100%;background:#222}.vthumb i{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-style:normal;background:#0006;font-size:18px}
.pd-section{margin-top:28px;border-top:8px solid var(--paper);padding-top:18px}.pd-section h2{font-size:17px;margin:0 0 14px;background:var(--paper);padding:12px 14px;border-radius:6px}
.spec{display:grid;grid-template-columns:150px 1fr;gap:10px 14px;margin:0 0 14px}.spec dt{color:var(--muted)}.spec dd{margin:0}.desc{line-height:1.7}
.review-summary{display:flex;gap:28px;flex-wrap:wrap;align-items:center;background:#fffbf8;border:1px solid #f7e3d6;border-radius:8px;padding:18px;margin-bottom:14px}
.rs-score{text-align:center;min-width:110px}.rs-score b{display:block;font-size:34px;color:var(--red);line-height:1.1}.rs-score small{display:block;color:var(--muted);margin-bottom:4px}.rs-score .stars{font-size:20px}
.rs-filters{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid #ddd;background:#fff;border-radius:4px;padding:7px 12px;font-size:13px}.chip.active{border-color:var(--red);color:var(--red);background:#fff6f7}
.review{padding:14px 2px;border-bottom:1px solid var(--line)}.rv-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.review p{margin:8px 0 0;line-height:1.6}
.review-form{margin-top:18px;padding:16px;border:1px solid var(--line);border-radius:8px;display:grid;gap:10px;max-width:560px}.review-form h3{margin:0}
.review-form textarea{border:1px solid #ddd;border-radius:6px;padding:10px;resize:vertical}
.star-input{display:inline-flex;flex-direction:row-reverse;justify-content:flex-end;gap:2px}.star-input input{position:absolute;opacity:0}
.star-input span{font-size:28px;color:#ddd;cursor:pointer}.star-input label:hover span,.star-input label:hover~label span,.star-input input:checked+span,.star-input label:has(input:checked)~label span{color:#f5a800}
#moreReviews{margin:14px 0}
/* Thanh Mua ngay / Thêm vào giỏ cố định phía dưới */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px #00000014}
.buybar-in{max-width:1240px;margin:auto;padding:10px 24px;display:flex;align-items:center;gap:12px;justify-content:flex-end}
.buybar-price{margin-right:auto;display:flex;flex-direction:column;line-height:1.3}.buybar-price small{color:var(--muted)}.buybar-price b{color:var(--red);font-size:20px}
.buybar .btn{min-width:170px;padding:13px 18px}.btn:disabled{opacity:.5;cursor:not-allowed}
.light-outline{background:#fff;color:var(--red);border:1px solid var(--red)}.light-outline:hover{background:#fff1f3}.btn.dark{background:#171717;border-color:#171717}
body.has-buybar{padding-bottom:78px}
@media(max-width:700px){.detail{grid-template-columns:1fr!important;gap:18px}.buybar-in{padding:8px 12px;gap:8px}.buybar-price{display:none}.buybar .btn{flex:1;min-width:0;padding:13px 8px}.spec{grid-template-columns:110px 1fr}}
/* Giỏ hàng / thanh toán còn thiếu */
.cart-line{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.cart-line img{width:84px;height:84px;object-fit:cover;border-radius:6px;background:#eee}.grow{flex:1}.line-total{font-weight:700}
.coupon{display:flex;gap:8px}.coupon input{flex:1;border:1px solid #ddd;border-radius:6px;padding:10px}
.link{color:var(--red);font-weight:600}.small-btn{padding:6px 12px;font-size:12px}.btn.light{background:#fff;color:var(--red)}.btn.wide{width:100%;margin-top:10px}
/* Đăng nhập / quên mật khẩu */
.auth-card label{display:flex;flex-direction:column;gap:5px;margin:12px 0;font-size:13px;font-weight:600}.auth-card input{border:1px solid #ddd;border-radius:6px;padding:11px}
.auth-card .btn{width:100%;margin-top:8px}.auth-card h1,.auth-card h2{margin:0 0 6px}.auth-card a{color:var(--red)}
.auth-stack{display:grid;gap:18px;width:min(100%,420px)}.form-msg.ok{color:#0a7a3b}
/* Admin: video, yêu cầu quên mật khẩu */
.video-box{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:18px;align-items:start}
.video-preview{background:#111;border-radius:8px;min-height:140px;display:grid;place-items:center;overflow:hidden}.video-preview video{width:100%;max-height:340px;display:block}.video-preview .muted{color:#aaa;padding:20px}
.video-controls{display:grid;gap:10px}#videoPick.busy{opacity:.5;pointer-events:none}label.btn-sm{cursor:pointer;justify-self:start}
.reset-box{border:1px solid #f0d78a;background:#fffaf0;border-radius:8px;padding:12px 14px;margin-bottom:14px}.reset-box h3{margin:0 0 8px;font-size:15px}
.reset-code{font-size:36px;letter-spacing:8px;font-weight:800;text-align:center;background:var(--paper);border-radius:8px;padding:14px;margin:10px 0;font-family:monospace}
@media(max-width:700px){.video-box{grid-template-columns:1fr}}

/* ===== Cập nhật lần 3: bỏ ghim thanh tìm kiếm, màu bằng ảnh, popup chọn phân loại, QR, logo ===== */
.header{position:sticky!important;top:0;z-index:30;box-shadow:0 1px 0 var(--line)}.header nav{margin-left:auto}
.searchrow{display:flex;justify-content:center;padding:12px max(24px,calc((100vw - 1240px)/2));background:#fff;border-bottom:1px solid var(--line)}.searchrow .search{max-width:720px;width:100%}
.logo-img{height:38px;width:auto;max-width:180px;object-fit:contain;display:block}.logo:has(.logo-img)::first-letter{color:inherit}
.variant-options button.color-opt{padding:5px 12px 5px 5px;gap:8px}
.swatch-img{width:38px;height:38px;object-fit:cover;border-radius:4px;display:block;background:#eee}
.variant-options button.color-opt .dot{margin-left:6px}
.sheet-back{position:fixed;inset:0;background:#0007;z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet-back.hidden{display:none}
.sheet{position:relative;background:#fff;width:min(100%,560px);max-height:90vh;overflow:auto;border-radius:14px 14px 0 0;padding:18px 18px 22px;animation:sheetUp .22s ease-out}
@keyframes sheetUp{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
@media(min-width:760px){.sheet-back{align-items:center}.sheet{border-radius:14px}}
.sheet-close{position:absolute;right:10px;top:8px;border:0;background:none;font-size:20px;padding:6px 10px}
.sheet-head{display:flex;gap:14px;align-items:flex-end;margin-bottom:6px}.sheet-head img,.sheet-noimg{width:96px;height:96px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:#eee;flex:none}
.sheet-price{font-size:22px}.sheet-head p{margin:6px 0 0}
body.sheet-open{overflow:hidden}
.bank-box{display:flex;gap:18px;align-items:center;justify-content:space-between;text-align:left;flex-wrap:wrap;margin:14px 0}
.qr{margin:0;text-align:center}.qr img{display:block;border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px}.qr figcaption{font-size:12px;margin-top:6px}
.logo-upload{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.logo-upload img{height:48px;max-width:160px;object-fit:contain;border:1px solid var(--line);border-radius:6px;padding:4px;background:#fff}
.color-cell{display:flex;align-items:center;gap:6px}.color-thumb{width:40px;height:40px;object-fit:cover;border-radius:5px;border:1px solid #ccc;background:#eee;cursor:pointer;flex:none}.color-thumb.none{display:grid;place-items:center;color:#999;font-size:11px}
.picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px}.picker-grid button{border:2px solid transparent;padding:0;border-radius:6px;overflow:hidden;background:#eee;aspect-ratio:1}
.picker-grid button.sel{border-color:var(--red)}.picker-grid img{width:100%;height:100%;object-fit:cover;display:block}
.import-box{border:1px dashed #ccc;border-radius:8px;padding:12px;margin-bottom:14px;display:grid;gap:8px}

/* Banner trang chủ do admin cấu hình */
.hero.hero-img{padding:0;min-height:0;display:block;background:#222}
.hero-img .hero-bg{display:block;width:100%;height:auto;max-height:460px;object-fit:cover}
.hero-img .hero-text{position:absolute;left:6%;top:50%;transform:translateY(-50%);max-width:min(560px,88%);text-shadow:0 2px 14px #0008}
.hero-img .hero-text h1{margin:8px 0}
@media(max-width:700px){.hero-img .hero-bg{min-height:180px}.hero-img .hero-text{left:5%}}
.banner-admin{display:grid;gap:10px}.banner-admin img{max-width:100%;max-height:160px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.rv-imgs{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.rv-imgs img{width:80px;height:80px;object-fit:cover;border-radius:8px;border:1px solid #e5e5e5;cursor:zoom-in;background:#f4f4f4}
.zoom-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:9999;cursor:zoom-out;padding:16px}
.zoom-overlay img{max-width:100%;max-height:100%;border-radius:8px}
.sr-thumbs{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.sr-thumbs img{width:44px;height:44px;object-fit:cover;border-radius:6px;border:1px solid #ddd}
/* Responsive trang chi tiết sản phẩm: không cho nội dung đẩy rộng quá màn hình */
html,body{max-width:100%;overflow-x:clip}
.product-root,.detail,.gallery,.detail-info,.gallery-main,#pdInfo{min-width:0;max-width:100%}
.detail{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.detail-image,.gallery-main img,.gallery-main video{max-width:100%;height:auto}
.detail-image{aspect-ratio:1/1;object-fit:cover}
.variant-options{flex-wrap:wrap}
.variant-options button{max-width:100%;white-space:normal;text-align:center;line-height:1.3}
@media(max-width:700px){
.detail{grid-template-columns:minmax(0,1fr)}
.variant-options{gap:6px}
.variant-options button{padding:9px 11px;font-size:13px}
.variant-options button.color-opt{flex:0 1 auto}
.thumbs button{width:56px;height:56px}
.detail h1{overflow-wrap:anywhere}
}
.desc-banner{margin:0 0 16px}.desc-banner img{display:block;width:100%;height:auto;border-radius:8px}

/* ===== Vòng 7 ===== */
.detail-info h1{font-weight:400}@media(max-width:700px){.detail-info h1{font-size:17px}}
.variant-options button,.variant-options button.selected{color:#171717}.variant-options button.unavailable{color:#aaa}
.gallery-wrap{position:relative}.gallery-main{touch-action:pan-y;user-select:none;-webkit-user-select:none;position:relative}
.gallery-main .detail-image{-webkit-user-drag:none;pointer-events:auto}.gallery-main img{-webkit-user-drag:none}
.g-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:0;background:rgba(0,0,0,.35);color:#fff;font-size:20px;line-height:1;cursor:pointer;z-index:2;display:flex;align-items:center;justify-content:center}
.g-nav:hover{background:rgba(0,0,0,.55)}.g-prev{left:8px}.g-next{right:8px}
.g-count{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.5);color:#fff;font-size:12px;padding:2px 9px;border-radius:12px;z-index:2}
@media(hover:none){.g-nav{display:none}}