/* Product detail — v0.4.6 enterprise commerce layout. */
.ttw-product-main{padding-top:18px!important;background:linear-gradient(180deg,#fff 0,#f8fafc 250px,#fff 250px)}
.single-product .product{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(360px,.96fr);column-gap:26px;row-gap:0;align-items:start;min-width:0}
.single-product .woocommerce-product-gallery,.single-product .summary{width:100%!important;float:none!important;min-width:0;border:1px solid #dce4ec;border-radius:22px;background:#fff;box-shadow:0 14px 38px rgba(15,23,42,.065);align-self:stretch}
.single-product .woocommerce-product-gallery{padding:12px}.single-product .woocommerce-product-gallery__wrapper{margin:0}.single-product .woocommerce-product-gallery__image img{border-radius:16px}.single-product .flex-control-thumbs{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px!important;margin-top:10px!important}.single-product .flex-control-thumbs li{float:none!important;width:auto!important}.single-product .flex-control-thumbs img{border:1px solid #dfe6ed;border-radius:9px}
.single-product .summary{position:relative;min-height:100%;margin:0!important;padding:22px}.single-product .summary::before{content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 99px 99px;background:linear-gradient(90deg,#f7941e,#39b54a)}
.ttw-product-eyebrow{display:inline-flex;min-height:28px;align-items:center;padding:0 9px;border-radius:999px;background:#fff1df;color:#b85f00;font-size:.68rem;font-weight:620;letter-spacing:.07em;text-transform:uppercase}.single-product .product_title{margin:.62rem 0 .68rem!important;color:#0f172a;font-size:clamp(2rem,3.05vw,2.6rem)!important;font-weight:620!important;line-height:1.08!important;letter-spacing:-.03em!important}.single-product .woocommerce-product-rating{font-size:.82rem}.single-product .price{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;margin:.7rem 0!important;color:#0b1220!important;font-size:1.5rem!important;font-weight:650!important;letter-spacing:-.02em}.single-product .price del{color:#8793a3;font-size:.78em;font-weight:500;opacity:1}.single-product .price ins{text-decoration:none;color:#b85000;font-weight:650}.single-product .woocommerce-product-details__short-description{color:#607086;font-size:.94rem;line-height:1.64}
.ttw-product-quickfacts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:11px 0 4px}.ttw-product-quickfacts span{display:block;padding:11px 12px;border-radius:12px;background:#f7f9fb}.ttw-product-quickfacts small,.ttw-product-quickfacts b{display:block}.ttw-product-quickfacts small{color:#8290a2;font-size:.63rem;font-weight:620;letter-spacing:.07em;text-transform:uppercase}.ttw-product-quickfacts b{margin-top:4px;color:#1c2a3d;font-size:.84rem;font-weight:620;line-height:1.35}.ttw-fact-notice{margin:14px 0 0;padding:12px 14px;border:0;border-radius:12px;background:linear-gradient(90deg,#fff7ea,#fff);color:#8a4a08;font-size:.82rem;line-height:1.5}
.single-product form.cart{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap;margin:14px 0 0!important;padding-top:13px;border-top:1px solid #ebeff3}.single-product .quantity input{min-height:48px;border:1px solid #cbd5e1;border-radius:10px}.single-product .single_add_to_cart_button{min-height:48px!important;border-radius:10px!important;background:#f7941e!important;color:#111827!important;font-weight:650!important;box-shadow:0 10px 24px rgba(247,148,30,.16)}
.ttw-product-assist{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}.ttw-product-assist>a{display:block;padding:12px 13px;border-radius:12px;background:#f7f9fb;color:#253449;transition:transform .18s ease,background-color .18s ease}.ttw-product-assist>a:hover{transform:translateY(-1px);background:#fff3e4}.ttw-product-assist span,.ttw-product-assist b{display:block}.ttw-product-assist span{color:#8490a0;font-size:.65rem;font-weight:620;letter-spacing:.07em;text-transform:uppercase}.ttw-product-assist b{margin-top:3px;font-size:.82rem;font-weight:620}.ttw-product-assist>a:only-child{grid-column:1/-1}.ttw-product-assist__call{background:#f1faf3!important}.single-product .product_meta{display:grid;gap:5px;margin-top:15px;padding-top:14px;border-top:1px solid #e9edf1;color:#718096;font-size:.76rem}.single-product .product_meta a{color:#366f9e}

/* Information navigation starts immediately after the top product row. */
.ttw-product-anchor{grid-column:1/-1;display:flex;gap:7px;flex-wrap:wrap;position:sticky;top:74px;z-index:12;margin:10px 0 4px;padding:9px 0;background:rgba(255,255,255,.965);backdrop-filter:blur(9px);box-shadow:0 8px 20px rgba(15,23,42,.03)}.ttw-product-anchor a,.ttw-policy-links a{display:inline-flex;min-height:38px;align-items:center;padding:0 12px;border:1px solid #dbe1e8;border-radius:999px;background:#fff;color:#435166;font-size:.8rem;font-weight:620}.ttw-product-anchor a:hover,.ttw-policy-links a:hover{border-color:#f1b36a;background:#fff7eb;color:#a95400}

/* Full-width chapter system: heading rail + usable content, no fake blank sidebar. */
.ttw-product-section:not(.ttw-product-reviews){grid-column:1/-1;display:grid;grid-template-columns:210px minmax(0,1fr);gap:30px;width:100%;margin:0;padding:30px 0;align-items:start}.ttw-product-section__head{position:sticky;top:132px;min-width:0}.ttw-product-section__head span{display:block;margin-bottom:7px;color:#bd6100;font-size:.66rem;font-weight:650;letter-spacing:.1em;text-transform:uppercase}.ttw-product-section__head h2{position:relative;margin:0!important;padding-left:14px;color:#111827;font-size:clamp(1.38rem,2.05vw,1.82rem)!important;font-weight:620!important;line-height:1.18!important;letter-spacing:-.022em}.ttw-product-section__head h2::before{content:"";position:absolute;left:0;top:.12em;bottom:.12em;width:3px;border-radius:99px;background:linear-gradient(180deg,#f7941e,#39b54a)}.ttw-product-section__body{min-width:0;color:#405066;font-size:.97rem;line-height:1.72}.ttw-product-section__body>p:first-child,.ttw-product-section__body>*:first-child{margin-top:0}.ttw-product-section__body>*:last-child{margin-bottom:0}.ttw-product-section__body.ttw-prose>p,.ttw-product-section__body.ttw-prose>ul,.ttw-product-section__body.ttw-prose>ol{max-width:82ch}.ttw-product-section__body.ttw-prose h2,.ttw-product-section__body.ttw-prose h3{max-width:38ch}.ttw-product-section__body.ttw-prose img{height:auto;border-radius:15px}
#thong-so .ttw-product-section__body,#gia-so-luong .ttw-product-section__body,#huong-dan .ttw-product-section__body,#chinh-sach .ttw-product-section__body{padding:20px;border-radius:18px;background:#f8fafc}#gia-so-luong .ttw-product-section__body{background:linear-gradient(135deg,#fff8ec,#f4fbf5)}#huong-dan .ttw-product-section__body{background:#fffaf2}#chinh-sach .ttw-product-section__body{background:#f4faf5}
.ttw-specs{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid #e1e7ed;border-radius:14px;background:#fff}.ttw-specs>div{display:grid;grid-template-columns:145px 1fr;padding:13px 14px;border-bottom:1px solid #edf0f3}.ttw-specs>div:nth-child(odd){border-right:1px solid #edf0f3}.ttw-specs dt{color:#667488;font-weight:580}.ttw-specs dd{margin:0;color:#172033;font-weight:620}.ttw-tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.ttw-tier-grid article{padding:19px;border:1px solid rgba(221,228,235,.9);border-radius:15px;background:#fff}.ttw-tier-grid article:first-child{border-color:#f1c58c;background:#fff8ee}.ttw-tier-grid small{display:block;color:#64748b;font-size:.69rem;font-weight:620;letter-spacing:.07em;text-transform:uppercase}.ttw-tier-grid strong{display:block;margin:.4rem 0;color:#101827;font-size:1.3rem;font-weight:650}.ttw-tier-grid p{margin:.45rem 0 0;color:#718096;font-size:.8rem;line-height:1.5}.ttw-policy-links{display:flex;gap:8px;flex-wrap:wrap}
.ttw-product-guides{grid-column:1/-1;margin:12px 0 0;padding:24px;border-radius:20px;background:linear-gradient(135deg,#fff7ea 0,#f1faf3 65%,#fff 100%)}.ttw-product-guides__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px}.ttw-product-guides__head h2{margin:.25rem 0 .35rem;font-size:1.72rem;font-weight:620;letter-spacing:-.025em}.ttw-product-guides__head p{max-width:660px;margin:0;color:#66758a;line-height:1.6}.ttw-product-guides__head>a{white-space:nowrap;color:#9c5104;font-size:.8rem;font-weight:620}.ttw-product-guides__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ttw-product-guide-card{height:100%;border:0;box-shadow:0 10px 26px rgba(15,23,42,.055)}
.ttw-product-reviews{grid-column:1/-1;width:100%;max-width:none!important;margin:0;padding:30px 0 12px!important}.single-product section.related{grid-column:1/-1;margin-top:12px;padding:24px;border-radius:20px;background:#f7f9fb}.single-product section.related>h2{font-size:1.72rem!important;font-weight:620!important;letter-spacing:-.025em}.single-product section.related ul.products{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px!important}.single-product section.related li.product{float:none!important;width:auto!important;margin:0!important}
@media(max-width:1020px){.single-product .product{grid-template-columns:1fr;column-gap:0}.single-product .woocommerce-product-gallery,.single-product .summary{max-width:780px;margin-inline:auto!important}.single-product .summary{margin-top:18px!important}.ttw-product-anchor{top:62px;margin-top:14px;overflow:auto;flex-wrap:nowrap}.ttw-product-section:not(.ttw-product-reviews){grid-template-columns:180px minmax(0,1fr);gap:22px}.ttw-product-section__head{top:120px}.ttw-product-guides__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.single-product section.related ul.products{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.ttw-product-section:not(.ttw-product-reviews){grid-template-columns:1fr;gap:12px;padding:24px 0}.ttw-product-section__head{position:static}.ttw-product-section__head h2{font-size:1.5rem!important}.ttw-product-section__body{font-size:.94rem}.ttw-product-section__body.ttw-prose>p,.ttw-product-section__body.ttw-prose>ul,.ttw-product-section__body.ttw-prose>ol{max-width:none}.ttw-product-anchor{margin-inline:-2px;padding:8px 2px}.ttw-specs{grid-template-columns:1fr}.ttw-specs>div{grid-template-columns:1fr;gap:4px}.ttw-specs>div:nth-child(odd){border-right:0}.ttw-tier-grid{grid-template-columns:1fr}.ttw-product-guides__head{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:620px){.single-product .summary{padding:16px}.single-product .summary::before{left:16px;right:16px}.single-product .product_title{font-size:1.88rem!important}.single-product .price{font-size:1.36rem!important}.ttw-product-quickfacts,.ttw-product-assist{grid-template-columns:1fr}.single-product .flex-control-thumbs{grid-template-columns:repeat(3,minmax(0,1fr))}.ttw-product-section__body{padding:0}.ttw-product-section:not(#mo-ta) .ttw-product-section__body{padding:16px}.ttw-product-guides,.single-product section.related{padding:18px 14px;border-radius:18px}.ttw-product-guides__head h2{font-size:1.5rem}.ttw-product-guides__grid,.single-product section.related ul.products{grid-template-columns:1fr}}

/* v0.4.2 — professional review center (factual Woo reviews only) */
.ttw-product-reviews{max-width:none!important;padding-bottom:12px!important}
.ttw-feedback-section{scroll-margin-top:108px}
.ttw-feedback-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:20px}
.ttw-feedback-heading>div{max-width:720px}.ttw-feedback-kicker{margin-bottom:7px;color:#c76400;font-size:.72rem;font-weight:620;letter-spacing:.1em;text-transform:uppercase}.ttw-feedback-heading h2{margin:0 0 7px!important}.ttw-feedback-heading p{margin:0;color:#64748b;line-height:1.65}
.ttw-feedback-action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border:1px solid #f0ad60;border-radius:12px;background:#fff7ea;color:#934900;font-size:.82rem;font-weight:620;white-space:nowrap;transition:.15s ease}.ttw-feedback-action:hover{transform:translateY(-1px);background:#fff0d9;border-color:#e89a3e}.ttw-feedback-action--secondary{border-color:#dce3ea;background:#fff;color:#334155}.ttw-feedback-action--secondary:hover{background:#f8fafc;border-color:#cbd5e1;color:#0f172a}
.ttw-feedback-shell{display:grid;grid-template-columns:minmax(240px,300px) minmax(0,1fr);gap:20px;align-items:start}.ttw-feedback-summary,.ttw-feedback-content{border:1px solid #e0e6ed;border-radius:18px;background:#fff;box-shadow:0 12px 34px rgba(15,23,42,.055)}.ttw-feedback-summary{position:sticky;top:96px;padding:22px}.ttw-feedback-content{padding:22px 24px;min-width:0}
.ttw-rating-score{display:flex;align-items:flex-end;gap:6px;color:#0f172a}.ttw-rating-score strong{font-size:3rem;line-height:.95;font-weight:620;letter-spacing:-.05em}.ttw-rating-score span{padding-bottom:4px;color:#8793a3;font-size:.9rem}.ttw-rating-stars{margin:12px 0 7px}.ttw-rating-stars .star-rating{float:none!important;margin:0!important;font-size:1.05rem!important;color:#f7941e!important}.ttw-feedback-summary>p{margin:0 0 16px;color:#66758a;font-size:.84rem;line-height:1.55}.ttw-feedback-summary>p b{color:#172033}
.ttw-rating-bars{display:grid;gap:8px;margin-top:18px}.ttw-rating-bar{display:grid;grid-template-columns:42px 1fr 28px;align-items:center;gap:8px;font-size:.72rem;color:#6b7788}.ttw-rating-bar i{display:block;height:7px;overflow:hidden;border-radius:99px;background:#eef2f5}.ttw-rating-bar i b{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#f7941e,#f6bd55)}.ttw-rating-bar em{font-style:normal;text-align:right;color:#8490a0}
.ttw-feedback-empty-icon{display:grid;width:46px;height:46px;place-items:center;border-radius:14px;background:#fff4e4;color:#f7941e;font-size:1.35rem}.ttw-feedback-summary h3{margin:14px 0 7px;font-size:1.05rem;font-weight:620;color:#162033}.ttw-feedback-trust{display:grid;gap:7px;margin-top:18px;padding-top:16px;border-top:1px solid #edf0f3;color:#657488;font-size:.72rem;line-height:1.45}.ttw-feedback-trust span::first-letter{color:#28a745}
.ttw-feedback-empty{display:flex;min-height:220px;flex-direction:column;align-items:flex-start;justify-content:center;padding:8px 4px}.ttw-feedback-empty h3{margin:0 0 8px;font-size:1.15rem;font-weight:620}.ttw-feedback-empty p{max-width:640px;margin:0 0 16px;color:#64748b;line-height:1.65}
.ttw-product-reviews #reviews{margin:0}.ttw-product-reviews .woocommerce-Reviews-title,.ttw-product-reviews .woocommerce-noreviews{display:none}.ttw-product-reviews #comments{margin:0}.ttw-product-reviews ol.commentlist{display:grid;gap:12px;margin:0 0 22px!important;padding:0!important;list-style:none}.ttw-product-reviews ol.commentlist>li{margin:0!important;padding:0!important;border:0!important}.ttw-product-reviews ol.commentlist li .comment_container{display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px;border:1px solid #e8edf2;border-radius:14px;background:#fbfcfd}.ttw-product-reviews ol.commentlist li img.avatar{position:static!important;float:none!important;width:44px!important;height:44px!important;margin:0!important;padding:0!important;border:0!important;border-radius:50%;object-fit:cover}.ttw-product-reviews .comment-text{margin:0!important;padding:0!important;border:0!important}.ttw-product-reviews .comment-text .star-rating{float:right;font-size:.8rem;color:#f7941e}.ttw-product-reviews .meta{margin:0 0 8px!important;color:#8a96a4!important;font-size:.72rem!important}.ttw-product-reviews .meta strong{color:#26354a;font-weight:620}.ttw-product-reviews .description{color:#405066;font-size:.92rem;line-height:1.65}.ttw-product-reviews .description p:last-child{margin-bottom:0}
.ttw-product-reviews #review_form_wrapper{margin-top:6px;padding-top:20px;border-top:1px solid #edf0f3}.ttw-product-reviews #reply-title{display:block;margin:0 0 8px;font-size:1.15rem;font-weight:620;color:#172033}.ttw-product-reviews .comment-reply-title small{margin-left:8px;font-size:.72rem}.ttw-product-reviews .comment-form-rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.ttw-product-reviews .comment-form-rating label,.ttw-product-reviews .comment-form-comment label{color:#35465a;font-size:.8rem;font-weight:620}.ttw-product-reviews .comment-form-rating .stars{margin:0!important}.ttw-product-reviews .comment-form-rating .stars a{color:#f7941e!important}.ttw-product-reviews textarea,.ttw-product-reviews input[type=text],.ttw-product-reviews input[type=email]{width:100%;min-height:46px;border:1px solid #d5dde6;border-radius:11px;background:#fff;padding:11px 12px;color:#172033;box-shadow:none}.ttw-product-reviews textarea{min-height:132px;resize:vertical}.ttw-product-reviews textarea:focus,.ttw-product-reviews input:focus{outline:3px solid rgba(57,181,75,.14);border-color:#39b54a}.ttw-product-reviews .form-submit{margin-bottom:0!important}.ttw-product-reviews #submit{min-height:46px!important;border:0!important;border-radius:11px!important;background:#39b54a!important;color:#0b1220!important;font-weight:620!important;padding:0 18px!important}.ttw-product-reviews #submit:hover{background:#2f9e40!important;color:#0b1220!important}.ttw-product-reviews .comment-form-cookies-consent{display:flex;align-items:flex-start;gap:8px;color:#6b7788;font-size:.76rem;line-height:1.45}.ttw-product-reviews .comment-form-cookies-consent input{margin-top:3px}
@media(max-width:900px){.ttw-feedback-shell{grid-template-columns:1fr}.ttw-feedback-summary{position:static}.ttw-feedback-summary{display:grid;grid-template-columns:auto 1fr;column-gap:18px}.ttw-rating-bars,.ttw-feedback-trust{grid-column:1/-1}.ttw-feedback-summary>p{align-self:end}}
@media(max-width:620px){.ttw-feedback-heading{align-items:stretch;flex-direction:column;margin-bottom:14px}.ttw-feedback-action{width:100%}.ttw-feedback-summary,.ttw-feedback-content{padding:16px;border-radius:15px}.ttw-feedback-summary{display:block}.ttw-rating-score strong{font-size:2.55rem}.ttw-product-reviews ol.commentlist li .comment_container{grid-template-columns:36px minmax(0,1fr);padding:13px}.ttw-product-reviews ol.commentlist li img.avatar{width:36px!important;height:36px!important}.ttw-product-reviews .comment-text .star-rating{float:none;margin:0 0 6px}.ttw-product-reviews .comment-form-rating{align-items:flex-start;flex-direction:column;gap:6px}}

/* v0.4.7 — keep sticky product navigation below the WordPress admin bar during QA. */
body.admin-bar .ttw-product-anchor{top:calc(74px + var(--wp-admin--admin-bar--height,32px))}
body.admin-bar .ttw-product-section__head{top:calc(132px + var(--wp-admin--admin-bar--height,32px))}
body.admin-bar .ttw-feedback-summary{top:calc(96px + var(--wp-admin--admin-bar--height,32px))}
@media(max-width:1060px){body.admin-bar .ttw-product-section__head{top:calc(120px + var(--wp-admin--admin-bar--height,32px))}}
@media(max-width:760px){body.admin-bar .ttw-product-section__head{top:auto}}