/* ==========================================================================
   BFC - trang Sản phẩm, danh mục và chi tiết sản phẩm (WooCommerce).
   ========================================================================== */

/* ---------- lưới & bộ lọc ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard .tag--3d{background:var(--red);left:auto;right:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chips a{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--navy);transition:border-color .2s,background .2s,color .2s}
.chips a:hover{border-color:var(--blue);color:var(--blue)}
.chips a[aria-current]{background:var(--navy);border-color:var(--navy);color:#fff}
.chips--sub{margin-bottom:clamp(26px,3vw,40px)}
.chips--sub a{font-size:13px;font-weight:500;padding:7px 13px;background:var(--grey);border-color:transparent}
.chips--sub a span{font-size:11.5px;color:var(--ink-2)}
.chips--sub a[aria-current] span{color:rgba(255,255,255,.7)}
.chips:not(.chips--sub):last-of-type{margin-bottom:clamp(26px,3vw,40px)}

/* ---------- chi tiết sản phẩm ---------- */
.pd{padding-block:clamp(24px,3vw,40px) clamp(48px,6vw,88px)}
.pd-crumb{color:var(--ink-2);flex-wrap:wrap;margin-bottom:clamp(20px,2.6vw,34px)}
.pd-crumb a:hover{color:var(--blue)}
.pd-crumb [aria-current]{color:var(--navy);font-weight:600}
.pd-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,72px);align-items:start}

/* ảnh */
.pd-media{position:sticky;top:96px}
.pd-tabs{display:flex;gap:0;margin-bottom:-1px;position:relative;z-index:1}
.pd-tabs button{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;border-bottom:0}
.pd-tabs button[aria-selected="true"]{background:#fff;color:var(--navy);border-color:var(--line)}
.pd-tabs button[data-pd-tab="3d"]{color:var(--red)}
.pd-tabs button[data-pd-tab="3d"][aria-selected="true"]{color:var(--red)}
.pd-main{border:1px solid var(--line);background:#fff;aspect-ratio:1;display:grid;place-items:center;overflow:hidden}
.pd-main img{width:100%;height:100%;object-fit:contain;padding:clamp(16px,3vw,40px)}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumbs button{width:76px;height:76px;border:1px solid var(--line);background:#fff;padding:6px;transition:border-color .2s}
.pd-thumbs button[aria-current]{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain}

/* 3D */
.pd-3d{position:relative;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 35%,#fff,#E9EDF3)}
.pd-3d model-viewer{display:block;width:100%;height:auto;aspect-ratio:1;--poster-color:transparent}
.pd-3d__bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(0,46,124,.1)}
.pd-3d__bar span{display:block;height:100%;width:0;background:var(--red);transition:width .2s}
model-viewer.is-loaded .pd-3d__bar{opacity:0;transition:opacity .4s .3s}
.pd-3d__hint{position:absolute;left:0;right:0;bottom:14px;margin:0;text-align:center;font-size:12.5px;color:var(--ink-2);pointer-events:none}
.pd-3d__tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pd-3d__tools button{padding:9px 16px;border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:600;color:var(--navy)}
.pd-3d__tools button:hover{border-color:var(--navy)}
.pd-3d__note{margin:12px 0 0;font-size:12.5px;color:var(--ink-2);line-height:1.6}

/* thông tin */
.pd-info .eyebrow{display:inline-block;margin-bottom:14px}
.pd-title{font-size:clamp(26px,3vw,40px);line-height:1.15;letter-spacing:-.02em}
.pd-meta{display:grid;grid-template-columns:auto 1fr;margin:22px 0 0;border-top:1px solid var(--line)}
.pd-meta div{display:contents}
.pd-meta dt,.pd-meta dd{padding:12px 0;border-bottom:1px solid var(--line);margin:0;font-size:14.5px}
.pd-meta dt{color:var(--ink-2);padding-right:28px}
.pd-meta dd{color:var(--navy);font-weight:600}
.pd-price{color:var(--red)!important;font-size:18px!important}
.pd-short{margin-top:20px;font-size:15.5px;color:var(--ink-2);line-height:1.7}
.pd-short p{margin:0 0 .8em}
.pd-key{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.pd-key li{background:#fff;padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.pd-key span{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-ink)}
.pd-key b{font-size:15px;color:var(--navy)}
.pd-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pd-cta .btn{justify-content:center}
.pd-sales{margin-top:20px;display:grid;gap:8px;font-size:14px}
.pd-sales li{display:flex;gap:12px;flex-wrap:wrap}
.pd-sales span{color:var(--ink-2);min-width:110px}
.pd-sales a{color:var(--navy);font-weight:600}
.pd-sales a:hover{color:var(--blue)}

/* thông số + mô tả */
.pd-more{border-top:1px solid var(--line);padding-block:clamp(48px,6vw,88px)}
.pd-more__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:start}
.pd-more__grid > :only-child{grid-column:1/-1;max-width:820px}
.pd-spec{width:100%;border-collapse:collapse;border-top:2px solid var(--navy)}
.pd-spec th,.pd-spec td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.pd-spec th{width:42%;font-weight:500;color:var(--ink-2);padding-right:18px}
.pd-spec td{color:var(--navy);font-weight:600}
.pd-desc{max-width:none;font-size:16px}
.pd-desc img{max-width:100%;height:auto;border:1px solid var(--line)}
.pd-desc h2{font-size:clamp(20px,2vw,24px)}

/* ---------- responsive ---------- */
@media (max-width:1100px){ .pgrid{grid-template-columns:repeat(3,1fr)} }
@media (max-width:900px){
  .pd-grid,.pd-more__grid{grid-template-columns:1fr}
  .pd-media{position:static}
}
@media (max-width:660px){ .pgrid{grid-template-columns:repeat(2,1fr);gap:14px} .pd-key{grid-template-columns:1fr} .pd-cta .btn{flex:1 1 100%} }
@media (max-width:400px){ .pgrid{grid-template-columns:1fr} }