.tsm-shell{--ink:#14171A;--ink-soft:#1F252B;--steel:#5B6672;--steel-line:#DAD7CD;--concrete:#EFEDE4;--white:#FFFFFF;--amber:#FFC229;--amber-deep:#E39F00;--rust:#FF5A1F;--teal:#12856A;--teal-deep:#0B6350;--border-mid:#CFC9B4;font-family:'Inter',sans-serif;font-size:15px;color:var(--ink);line-height:1.5;background:radial-gradient(circle at 18% 16%, rgb(60 58 53 / 14%), transparent 30%), linear-gradient(120deg, #F5F6F4 0%, #ECEFEC 100%);}
.tsm-shell *{box-sizing:border-box;}
.tsm-shell a{color:inherit;text-decoration:none;}
.tsm-shell h1,.tsm-shell h2,.tsm-shell h3{font-family:'Outfit',sans-serif;letter-spacing:-.01em;}
.tsm-wrap{max-width:1280px;margin:0 auto;padding:0 24px;}

.tsm-btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;font-weight:700;font-size:13.5px;padding:10px 18px;border-radius:4px;border:2px solid var(--border-mid);cursor:pointer;transition:transform .12s ease,box-shadow .15s ease;}
.tsm-btn.tsm-loading{opacity:.75;pointer-events:none;position:relative;}
.tsm-btn.tsm-loading .tsm-btn-label{visibility:hidden;}
.tsm-btn.tsm-loading i{visibility:hidden;}
.tsm-btn.tsm-loading::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:tsmSpin .6s linear infinite;}
.tsm-btn-amber.tsm-loading::after{border-color:rgba(20,23,26,.25);border-top-color:var(--ink);}
@keyframes tsmSpin{to{transform:rotate(360deg);}}
.tsm-btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink);}
.tsm-btn-amber{background:var(--amber);color:var(--ink);border-color:var(--ink);}
.tsm-btn-dark{background:var(--ink);color:var(--white);border-color:var(--ink);}
.tsm-btn-light{background:var(--white);color:var(--ink);border-color:var(--border-mid);}
.tsm-btn-sm{padding:8px 14px;font-size:13px;}
.tsm-btn-block{width:100%;}

.tsm-empty{text-align:center;padding:60px 20px;color:var(--steel);}
.tsm-empty i{font-size:34px;color:var(--border-mid);margin-bottom:12px;display:block;}
.tsm-empty .tsm-btn{margin-top:14px;}

.tsm-page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:32px 0 18px;}
.tsm-page-head h1{font-size:24px;font-weight:800;}
.tsm-page-head p{font-size:13px;color:var(--steel);margin-top:2px;}
.tsm-search{position:relative;display:flex;}
.tsm-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--steel);font-size:13px;}
.tsm-search input{border:1.5px solid var(--border-mid);border-radius:6px;padding:10px 14px 10px 34px;font-size:13.5px;min-width:260px;font-family:inherit;}

.tsm-cat-filter{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:20px;}
.tsm-cat-filter a{font-size:13px;font-weight:700;color:var(--steel);background:var(--white);border:1px solid var(--steel-line);border-radius:99px;padding:7px 14px;}
.tsm-cat-filter a.active{background:var(--ink);color:var(--white);border-color:var(--ink);}

.tsm-supplier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:60px;}
.tsm-supplier-card{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;padding:20px;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s;}
.tsm-supplier-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,23,26,.1);border-color:#EADFC2;}
.tsm-supplier-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.tsm-supplier-logo{width:52px;height:52px;border-radius:5px;background:var(--ink);color:var(--amber);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;overflow:hidden;}
.tsm-supplier-logo img{width:100%;height:100%;object-fit:cover;}
.tsm-verified-badge{display:inline-flex;align-items:center;gap:5px;background:#EAF6F0;color:var(--teal-deep);font-size:13px;font-weight:800;padding:4px 9px;border-radius:99px;}
.tsm-supplier-name{font-size:15px;font-weight:800;margin-bottom:6px;}
.tsm-supplier-loc{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--steel);margin-bottom:6px;}
.tsm-supplier-count{font-size:13px;color:var(--steel);margin-bottom:14px;}
.tsm-view-btn{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--amber-deep);}

.tsm-cover{position:relative;height:150px;background:linear-gradient(120deg,#23282E 0%,#343B43 55%,#2A3138 100%);}
.tsm-cover::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg, rgba(255,194,41,.05) 0 2px, transparent 2px 26px);pointer-events:none;}
.tsm-cover-content{position:relative;height:100%;display:flex;align-items:flex-end;}
.tsm-profile-card-wrap{transform:translateY(36px);width:100%;position:relative;z-index:50;}
.tsm-profile-card{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;padding:22px 26px;box-shadow:0 16px 40px rgba(20,23,26,.14);display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.tsm-profile-logo{width:84px;height:84px;border-radius:5px;background:var(--ink);color:var(--amber);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:28px;flex-shrink:0;border:3px solid var(--white);box-shadow:0 6px 16px rgba(20,23,26,.18);margin-top:-46px;overflow:hidden;}
.tsm-profile-logo img{width:100%;height:100%;object-fit:cover;}
.tsm-profile-info{flex:1;min-width:220px;}
.tsm-profile-info h1{font-size:22px;font-weight:800;display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
.tsm-verified-chip{display:inline-flex;align-items:center;gap:6px;background:#EAF6F0;color:var(--teal-deep);font-size:13px;font-weight:800;padding:4px 11px;border-radius:99px;}
.tsm-profile-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--steel);row-gap:8px;}
.tsm-profile-meta span{display:flex;align-items:center;gap:6px;}
.tsm-profile-meta i{color:var(--amber-deep);font-size:13px;}
.tsm-profile-stats{display:flex;border:1px solid var(--steel-line);border-radius:5px;overflow:hidden;flex-shrink:0;}
.tsm-stat{padding:10px 18px;text-align:center;}
.tsm-stat-sm{padding:6px 12px;}
.tsm-stat-sm b{font-size:15px;}
.tsm-stat-sm span{font-size:13px;}
.tsm-stat b{display:block;font-size:18px;font-weight:800;}
.tsm-stat span{font-size:13px;color:var(--steel);text-transform:uppercase;letter-spacing:.03em;}
.tsm-profile-actions{display:flex;gap:10px;flex-shrink:0;}
.tsm-icon-action{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:5px;border:1.5px solid var(--steel-line);background:var(--white);color:var(--steel);font-size:15px;cursor:pointer;padding:0;flex-shrink:0;transition:border-color .15s,color .15s,background .15s;position:relative;}
.tsm-icon-action:hover{border-color:var(--amber-deep);color:var(--amber-deep);}
.tsm-icon-action.tsm-saved{background:#FFF1DE;border-color:var(--amber-deep);color:var(--amber-deep);}
.tsm-icon-action-wrap{position:relative;}
.tsm-icon-share-menu{display:none;position:absolute;top:calc(100% + 6px);right:0;background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;box-shadow:0 14px 32px rgba(20,23,26,.16);padding:6px;z-index:60;min-width:160px;}
.tsm-icon-share-menu.active{display:block;}

.tsm-subnav-band{background:var(--white);border-bottom:1px solid var(--steel-line);position:sticky;top:72px;z-index:45;margin-top:56px;box-shadow:0 4px 14px rgba(20,23,26,.04);}
.tsm-subnav{display:flex;align-items:center;gap:4px;overflow-x:auto;}
.tsm-subnav-link{display:flex;align-items:center;gap:7px;padding:16px 18px;font-size:13.5px;font-weight:700;color:var(--steel);cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap;}
.tsm-subnav-link.active{color:var(--ink);border-bottom-color:var(--amber-deep);}
.tsm-nav-count{background:var(--concrete);color:var(--steel);font-size:13px;padding:2px 7px;border-radius:99px;}

.tsm-page-content{padding:28px 0 60px;}
.tsm-section{display:none;}
.tsm-section.active{display:block;}

.tsm-section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap;}
.tsm-section-title h2{font-size:19px;font-weight:800;}
.tsm-section-title p{font-size:13px;color:var(--steel);}

.tsm-highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px;}
.tsm-highlight-card{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;padding:18px;}
.tsm-highlight-icon{width:38px;height:38px;border-radius:5px;background:var(--concrete);color:var(--amber-deep);display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:12px;}
.tsm-highlight-card b{display:block;font-size:13px;margin-bottom:3px;}
.tsm-highlight-card span{font-size:13px;color:var(--steel);}

.tsm-teaser-panel{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;padding:22px;margin-bottom:24px;}
.tsm-teaser-panel h2{font-size:17px;margin-bottom:10px;}
.tsm-about-content{font-size:13px;color:var(--steel);line-height:1.7;}
.tsm-teaser-panel > a{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--amber-deep);}

.tsm-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.tsm-product-card{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s;}
.tsm-product-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,23,26,.12);}
.tsm-pc-media{height:150px;background:var(--concrete);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--border-mid);overflow:hidden;border-bottom:1.5px solid var(--steel-line);position:relative;text-decoration:none;}
.tsm-pc-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.tsm-product-card:hover .tsm-pc-media img{transform:scale(1.04);}
.tsm-pc-media img{width:100%;height:100%;object-fit:cover;}
.tsm-pc-body{padding:13px 14px 15px;display:flex;flex-direction:column;gap:5px;flex:1;}
.tsm-pc-cat{font-size:13px;font-weight:700;color:var(--amber-deep);text-transform:uppercase;letter-spacing:.03em;}
.tsm-pc-title{font-size:17px;font-weight:700;line-height:1.35;color:var(--ink);text-decoration:none;display:block;}
.tsm-pc-title:hover{color:var(--amber-deep);}
.tsm-pc-specs{font-size:13px;color:var(--steel);margin-bottom:4px;}
.tsm-pc-btn{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:7px;background:var(--teal);color:var(--white)!important;border:none;border-radius:5px;padding:10px;font-size:13px;font-weight:700;text-decoration:none!important;white-space:nowrap;}

.tsm-about-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start;}
.tsm-panel{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;padding:22px;margin-bottom:16px;}
.tsm-panel h3{font-size:17px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:9px;}
.tsm-panel h3 i{color:var(--amber-deep);font-size:13px;}
.tsm-panel p{font-size:13px;color:var(--steel);line-height:1.7;}
.tsm-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.tsm-info-pill{border:1px solid var(--steel-line);border-radius:5px;padding:11px 13px;background:var(--concrete);}
.tsm-info-pill span{display:block;font-size:13px;font-weight:700;text-transform:uppercase;color:var(--steel);margin-bottom:3px;}
.tsm-info-pill b{font-size:13px;}

.tsm-contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.tsm-field{margin-bottom:14px;}
.tsm-field label{display:block;font-size:13px;font-weight:800;text-transform:uppercase;color:var(--steel);margin-bottom:7px;}
.tsm-field textarea,.tsm-input{width:100%;border:1px solid var(--steel-line);border-radius:5px;background:var(--concrete);font-size:13.5px;padding:11px 13px;font-family:inherit;}
.tsm-field textarea{resize:vertical;}
.tsm-alert{border-radius:5px;padding:11px 14px;font-size:13px;font-weight:600;margin-bottom:14px;}
.tsm-alert-ok{background:#EAF6F0;color:var(--teal-deep);border:1px solid #BFE3D0;}
.tsm-alert-error{background:#FDECEA;color:#C0392B;border:1px solid #F3B9B2;}
.tsm-contact-info-card{background:var(--ink);color:var(--white);border-radius:5px;padding:22px;height:fit-content;}
.tsm-contact-info-card h3{font-size:17px;margin-bottom:16px;}
.tsm-c-row{display:flex;gap:11px;margin-bottom:14px;}
.tsm-c-row:last-child{margin-bottom:0;}
.tsm-c-icon{width:32px;height:32px;border-radius:5px;background:rgba(255,194,41,.15);color:var(--amber);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;}
.tsm-c-row b{font-size:13px;font-weight:600;}

.tsm-req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-bottom:60px;}
.tsm-req-card{background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s;}
.tsm-req-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,23,26,.1);}
.tsm-req-media{position:relative;height:150px;background:linear-gradient(135deg,rgba(255,194,41,.85),rgba(20,23,26,.8));display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--ink);overflow:hidden;}
.tsm-req-media img{width:100%;height:100%;object-fit:cover;}
.tsm-req-badge{position:absolute;top:8px;left:8px;background:var(--rust);color:var(--white);font-size:13px;font-weight:800;text-transform:uppercase;padding:4px 9px;border-radius:99px;display:flex;align-items:center;gap:4px;}
.tsm-req-body{padding:13px 14px 15px;display:flex;flex-direction:column;gap:6px;}
.tsm-req-cat{font-size:13px;font-weight:700;color:var(--amber-deep);text-transform:uppercase;letter-spacing:.03em;}
.tsm-req-title{font-size:17px;font-weight:700;line-height:1.35;}
.tsm-req-meta{display:flex;gap:10px;font-size:13px;color:var(--steel);flex-wrap:wrap;}
.tsm-req-meta i{color:var(--amber-deep);margin-right:4px;}

.tsm-req-hero{background:linear-gradient(120deg,#14171A,#1F252B);color:var(--white);padding:26px 0;}
.tsm-crumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:#C9D0D6;margin-bottom:12px;}
.tsm-crumbs i{font-size:13px;color:var(--amber);}
.tsm-hero-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.tsm-hero-title-row h1{font-size:32px;font-weight:800;line-height:1.15;margin-bottom:10px;color:var(--white);}
.tsm-status-row{display:flex;gap:8px;flex-wrap:wrap;}
.tsm-tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 11px;font-size:13px;font-weight:800;background:rgba(255,255,255,.12);color:#E7ECEF;}
.tsm-tag.hot{background:var(--amber);color:var(--ink);}
.tsm-tag.ok{background:#EAF5EF;color:var(--teal-deep);}

.tsm-req-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start;}

/* ---- Masonry gallery: natural image sizes, explicit 3-column distribution (avoids CSS `columns` balance-mode empty-column bug) ---- */
.tsm-gallery{display:flex;gap:8px;margin-bottom:20px;align-items:flex-start;}
.tsm-gallery-col{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0;}
.tsm-gallery-item{position:relative;overflow:hidden;background:var(--concrete);cursor:zoom-in;border-radius:5px;border:1.5px solid var(--steel-line);}
.tsm-gallery-item img{width:100%;height:auto;display:block;transition:transform .3s ease;}
.tsm-gallery-item:hover img{transform:scale(1.03);}
@media(max-width:640px){.tsm-gallery{flex-wrap:wrap;}.tsm-gallery-col{flex:1 1 45%;}}

/* ---- Lightbox ---- */
.tsm-lightbox{display:none;position:fixed;inset:0;background:rgba(10,12,14,.92);z-index:9999;align-items:center;justify-content:center;padding:30px;}
.tsm-lightbox.active{display:flex;}
.tsm-lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:6px;}
.tsm-lightbox-close{position:absolute;top:20px;right:24px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;border:0;font-size:16px;cursor:pointer;}
.tsm-lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;border:0;font-size:16px;cursor:pointer;}
.tsm-lightbox-nav.prev{left:20px;}
.tsm-lightbox-nav.next{right:20px;}
.tsm-lightbox-count{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:#fff;font-size:13px;background:rgba(255,255,255,.12);padding:5px 14px;border-radius:99px;}

/* ---- Share menu ---- */
.tsm-share-wrap{position:relative;}
.tsm-share-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--white);border:1.5px solid var(--steel-line);border-radius:5px;box-shadow:0 14px 32px rgba(20,23,26,.16);padding:6px;z-index:60;}
.tsm-share-menu.active{display:block;}
.tsm-share-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:6px;font-size:13px;font-weight:600;color:var(--ink);}
.tsm-share-item:hover{background:var(--concrete);}
.tsm-save-req-btn.tsm-saved{background:#FFF1DE;border-color:var(--amber-deep);color:var(--amber-deep);}
.tsm-report-box{display:none;margin-top:8px;}
.tsm-report-box.active{display:block;}
.tsm-report-box textarea{width:100%;border:1px solid var(--steel-line);border-radius:5px;padding:9px 11px;font-size:13px;font-family:inherit;resize:vertical;margin-bottom:10px;}

.tsm-panel h2{font-size:19px;font-weight:800;margin-bottom:16px;}
.tsm-spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;}
.tsm-spec{border:1px solid var(--steel-line);border-radius:5px;background:#FAFBFA;padding:14px;}
.tsm-spec span{display:block;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--steel);margin-bottom:4px;}
.tsm-spec b{font-size:15px;}
.tsm-req-desc{font-size:14px;color:var(--steel);}

.tsm-req-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:14px;}
.tsm-lock-box{background:var(--ink);color:var(--white);border-color:var(--ink);position:relative;overflow:hidden;}
.tsm-lock-box::after{content:"";position:absolute;right:-52px;bottom:-60px;width:155px;height:155px;border:28px solid rgba(255,194,41,.2);border-radius:50%;}
.tsm-lock-box>*{position:relative;z-index:1;}
.tsm-lock-icon{width:46px;height:46px;border-radius:5px;background:var(--amber);color:var(--ink);display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:18px;}
.tsm-lock-box h2{color:var(--white);margin-bottom:8px;}
.tsm-lock-box p{font-size:13px;color:#C9D0D6;margin-bottom:16px;}
.tsm-side-actions{display:grid;gap:9px;}
.tsm-buyer-card{display:flex;gap:12px;align-items:center;}
.tsm-buyer-avatar{width:42px;height:42px;border-radius:5px;background:var(--ink);color:var(--amber);display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;}
.tsm-buyer-card b{display:block;font-size:14px;}
.tsm-buyer-card span{display:block;font-size:13px;color:var(--steel);}

@media(max-width:960px){
  .tsm-supplier-grid,.tsm-req-grid{grid-template-columns:1fr 1fr;}
  .tsm-product-grid{grid-template-columns:1fr 1fr;}
  .tsm-about-layout,.tsm-contact-layout,.tsm-req-layout{grid-template-columns:1fr;}
  .tsm-req-side{position:static;}
  .tsm-profile-card{flex-direction:column;align-items:flex-start;}
  .tsm-hero-title-row{align-items:flex-start;flex-direction:column;}
  .tsm-spec-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .tsm-wrap{padding:0 16px;}
  .tsm-page-head{flex-direction:column;align-items:flex-start;}
  .tsm-search input{min-width:0;width:100%;}
  .tsm-supplier-grid,.tsm-req-grid{grid-template-columns:1fr;}
  .tsm-product-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .tsm-highlight-grid{grid-template-columns:1fr;}
  .tsm-req-gallery,.tsm-spec-grid{grid-template-columns:1fr;}
  .tsm-hero-title-row h1{font-size:24px;}
}