:root{--bg:#f5f7fb;--card:#fff;--text:#182230;--muted:#687386;--line:#e5e9f0;--accent:#f47b20;--accent2:#d85e0d;--green:#16865b}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}header{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:12px}.logo{width:42px;height:42px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}.brand h1{font-size:18px;margin:0}.brand span{font-size:12px;color:var(--muted)}main{max-width:1400px;margin:28px auto;padding:0 24px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.content{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 4px 18px #1c2b3a08}.card{padding:20px}.card span{color:var(--muted);font-size:13px}.card strong{display:block;font-size:28px;margin-top:8px}.toolbar{display:flex;gap:12px;margin:22px 0}.search{flex:1;display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 13px}.search span{font-size:24px;color:#8791a1}.search input{border:0;outline:0;padding:13px;width:100%;font-size:14px}.toolbar select{border:1px solid var(--line);background:#fff;border-radius:10px;padding:0 14px;color:#4c5768}.sectionHead{padding:22px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}h2{margin:0;font-size:18px}.sectionHead p,.modalHead p{margin:5px 0 0;color:var(--muted);font-size:13px}.primary,.secondary{border:0;border-radius:9px;padding:11px 16px;font-weight:700;cursor:pointer}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent2)}.secondary{background:#fff;color:#344054;border:1px solid var(--line)}.tableWrap{overflow:auto}.tableWrap table{width:100%;border-collapse:collapse;min-width:800px}.tableWrap th,.tableWrap td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:13px}.tableWrap th{color:var(--muted);font-weight:600;background:#fafbfc}.product{font-weight:700}.supplier{color:#445064}.price{font-weight:700}.view{color:var(--accent2);background:none;border:0;font-weight:700;cursor:pointer}.empty{text-align:center;padding:70px 20px}.empty div{font-size:40px}.empty h3{margin:12px 0 5px}.empty p{color:var(--muted);margin-bottom:20px}.hidden{display:none!important}.modal{position:fixed;inset:0;background:#11182780;display:grid;place-items:center;padding:20px;z-index:20}.modalBox{background:#fff;border-radius:18px;width:min(900px,100%);max-height:92vh;overflow:auto;padding:24px}.modalHead{display:flex;justify-content:space-between;margin-bottom:20px}.close{border:0;background:#f1f3f6;width:34px;height:34px;border-radius:50%;font-size:24px;cursor:pointer}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid label,.upload label{font-size:12px;color:#556071;font-weight:600}.grid input,.grid textarea,.upload input{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid var(--line);border-radius:8px;font:inherit;resize:vertical}.upload{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.upload label{padding:14px;border:1px dashed #cfd5df;border-radius:10px;background:#fafbfc}.total{display:flex;justify-content:space-between;align-items:center;background:#fff7f0;border-radius:10px;padding:15px;margin-top:18px}.total strong{font-size:20px;color:var(--accent2)}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.detailBox{width:min(760px,100%)}.detailGrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.detailItem{background:#f8fafc;border-radius:10px;padding:13px}.detailItem span{display:block;font-size:11px;color:var(--muted)}.detailItem strong{display:block;margin-top:4px}.photo{max-width:100%;max-height:260px;border-radius:10px;margin-top:15px}.fileLink{display:inline-block;margin-top:14px;color:var(--accent2);font-weight:700}.timeline{margin-top:18px;border-left:2px solid #f0a16c;padding-left:16px}.timeline p{margin:0 0 12px;color:var(--muted);font-size:13px}@media(max-width:800px){.stats{grid-template-columns:1fr 1fr}.toolbar{flex-wrap:wrap}.toolbar select{height:44px;flex:1}.grid,.upload{grid-template-columns:1fr}}@media(max-width:520px){header{padding:0 16px}.brand h1{font-size:15px}header .primary{padding:9px}.stats{gap:8px}.card{padding:14px}.card strong{font-size:22px}main{padding:0 12px}.sectionHead{align-items:flex-start;gap:12px}.sectionHead .secondary{display:none}}

.headActions{display:flex;gap:10px;align-items:center}.sellerForm{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}.sellerForm label{font-size:12px;color:#556071;font-weight:600}.sellerForm input{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid var(--line);border-radius:8px;font:inherit}.sellerList{margin-top:20px;border-top:1px solid var(--line)}.sellerRow{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line)}.sellerRow strong{display:block}.sellerRow small{display:block;color:var(--muted);margin-top:3px}.muted{color:var(--muted)}.sellersBox{width:min(850px,100%)}@media(max-width:700px){.sellerForm{grid-template-columns:1fr}.headActions .secondary{display:none}}