:root{--g:#18382d;--line:#dfe5e1}*{box-sizing:border-box}body{margin:0;background:#f4f6f5;color:#17211d;font-family:"Noto Sans Thai","Leelawadee UI",sans-serif}header{background:var(--g);color:#fff;padding:20px max(20px,calc((100vw - 1120px)/2));display:flex;justify-content:space-between;align-items:center}header h1{margin:2px 0}header a,.locked a{background:#fff;color:var(--g);padding:10px 14px;border-radius:10px;text-decoration:none}main{max-width:1120px;margin:auto;padding:24px}.card,.locked{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:18px}.head{display:flex;justify-content:space-between;align-items:center}button{font:inherit;border:0;border-radius:9px;padding:9px 13px;background:var(--g);color:#fff;cursor:pointer}.category-row{display:flex;justify-content:space-between;padding:12px;border-top:1px solid var(--line)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}td small{display:block}dialog{width:min(520px,calc(100% - 24px));border:0;border-radius:18px;padding:24px}dialog::backdrop{background:#0008}.x{float:right;background:#e8eeeb;color:#222}label{display:grid;gap:6px;margin:12px 0}input,select,textarea{font:inherit;border:1px solid #cfd9d4;border-radius:9px;padding:10px}textarea{min-height:70px}.checks{display:flex;gap:16px}.checks label{display:flex}.save{width:100%;margin-top:10px}.muted{color:#7b8781}.sold{color:#a33}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#17211d;color:#fff;padding:10px 16px;border-radius:10px;display:none}#toast.show{display:block}@media(max-width:600px){header{display:grid;gap:12px}.table{overflow:auto}}
#optionGroups{margin-top:14px}.full-card{grid-column:1/-1}.option-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.option-admin-card{border:1px solid #dfe5e1;border-radius:14px;padding:14px}.option-admin-card>div:first-child{display:inline-grid}.option-admin-card>button{float:right}.option-list{clear:both;display:grid;gap:6px;padding-top:12px}.option-list button{display:flex;justify-content:space-between;background:#f4f7f5}.option-list b{font-size:12px}.warn{color:#a94820;font-weight:700}.assign-list{display:grid;gap:8px;border:1px solid #dfe5e1;border-radius:12px;padding:12px}.assign-list label{display:flex;align-items:center;gap:8px;margin:0}@media(max-width:850px){.option-admin-grid{grid-template-columns:1fr}}
.online-settings{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.online-settings label{display:grid;gap:6px}.online-settings label:first-child{display:flex;align-items:center}.online-settings input{border:1px solid #dfe5e1;border-radius:10px;padding:10px;font:inherit}.online-settings button{background:#18382d;color:#fff}

/* ===== อัปโหลดรูปสินค้า + แปลง WebP อัตโนมัติ ===== */
.img-field{display:grid;gap:8px;margin:2px 0}
.img-field-label{font-weight:600}
.img-uploader{display:flex;gap:14px;align-items:flex-start}
.img-preview{width:96px;height:96px;flex:0 0 auto;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f2f7f4;display:grid;place-items:center}
.img-preview img{width:100%;height:100%;object-fit:cover}
.img-preview .img-ph{color:#9fb2a8;font-size:13px}
.img-ctrls{display:flex;flex-direction:column;gap:8px;align-items:flex-start;flex:1 1 auto}
.upl-btn{background:var(--g);color:#fff;border:0;border-radius:10px;padding:11px 16px;font:inherit;font-weight:700;cursor:pointer}
.upl-btn:disabled{opacity:.6;cursor:progress}
.upl-clear{background:#fff;color:#ae3333;border:1px solid #eecccc;border-radius:10px;padding:9px 14px;font:inherit;font-weight:700;cursor:pointer}
.upl-status{color:#68756e;line-height:1.5}
.img-path{width:100%;font-size:13px;color:#68756e}
@media(max-width:520px){.img-uploader{flex-direction:column}}