@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');

:root{--bg:#f3f7fd;--card:#fff;--text:#172b4d;--muted:#66758f;--line:#dbe5f3;--primary:#155eef;--primary2:#2e90fa;--danger:#d9485f;--amber:#f2a93b;--blue:#3b82f6;--violet:#6941c6;--shadow:0 10px 30px rgba(21,94,239,.08);--radius:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans Thai",Tahoma,sans-serif;font-size:14px}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}
.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:#102a56;color:#eaf2ff;padding:22px 14px;display:flex;flex-direction:column;z-index:30}.side-brand{padding:0 10px 22px}.side-brand b{display:block;font-size:24px}.side-brand small{display:block;color:#a9c7f8}.sidebar nav{display:flex;flex-direction:column;gap:3px;overflow:auto}.sidebar nav a{color:#c9dcfb;padding:10px 12px;border-radius:10px;display:flex;gap:11px;align-items:center}.sidebar nav a:hover,.sidebar nav a.active{background:#194185;color:#fff}.sidebar nav span{width:20px;text-align:center}.logout-form{margin-top:auto;border-top:1px solid #31558e;padding:16px 10px 0;display:flex;align-items:center;justify-content:space-between;gap:8px}.logout-form small{overflow:hidden;text-overflow:ellipsis}.logout-form button{background:none;border:0;color:#ffc9c9;padding:0}
.main{margin-left:230px;min-height:100vh}.topbar{height:72px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.topbar>div{display:flex;flex-direction:column}.topbar .topbar-actions{display:flex;flex-direction:row;align-items:center;gap:8px}.topbar small{color:var(--muted)}.menu-toggle{display:none;background:none;border:0;font-size:24px}.content{padding:26px;max-width:1700px;margin:auto}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.page-head h1{margin:0;font-size:26px}.page-head p{margin:4px 0 0;color:var(--muted)}h2{font-size:18px;margin:0 0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.card-head h2{margin:0}.card-head small{display:block;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:10px;color:var(--text);white-space:nowrap}.btn:hover{filter:brightness(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.success{background:#eaf2ff;border-color:#bfd5ff;color:#155eef}.btn.danger{background:#fff0f2;border-color:#ffc9d0;color:#c92a43}.btn.small{padding:5px 9px;font-size:12px}.btn.wide{width:100%}.actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.actions form{display:inline-flex}
.alert{border-radius:12px;padding:12px 15px;margin-bottom:16px;background:#eef4ff;color:#2456a6}.alert.success{background:#eaf2ff;color:#155eef}.alert.danger{background:#fff0f2;color:#b4233a}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.stat{border-radius:var(--radius);padding:19px;color:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:125px}.stat small{opacity:.86}.stat b{font-size:30px;margin-top:auto;line-height:1.15}.stat span{font-size:12px;opacity:.85}.stat.mint{background:linear-gradient(135deg,#155eef,#2e90fa)}.stat.blue{background:linear-gradient(135deg,#175cd3,#53b1fd)}.stat.amber{background:linear-gradient(135deg,#b54708,#fdb022)}.stat.violet{background:linear-gradient(135deg,#5925dc,#9b8afb)}.stat.cyan{background:linear-gradient(135deg,#026aa2,#36bffa)}
.split{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:20px;align-items:start}.tool-grid,.report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.report-grid .card{margin:0}.tool-card p{color:var(--muted);min-height:50px}.danger-zone{border-color:#ffc9d0;background:#fffafb}.form-card{display:flex;flex-direction:column;gap:13px}.form-card h2{margin:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.form-grid h2{margin:0}.form-grid .full{grid-column:1/-1}.form-grid.compact{margin-top:18px}.form-grid.compact label{margin:0}
label{display:flex;flex-direction:column;gap:5px;font-weight:600}label small{font-weight:400;color:var(--muted)}input,select,textarea{border:1px solid #cbd8ec;background:#fff;border-radius:9px;padding:9px 11px;min-width:0;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #b2ccff;border-color:var(--primary)}textarea{min-height:80px;resize:vertical}.check{flex-direction:row;align-items:center;font-weight:500}.check input{width:auto}.filters{display:flex;align-items:end;gap:10px;margin-bottom:18px;flex-wrap:wrap}.filters input,.filters select{width:auto;min-width:170px}.filters label{font-size:12px;color:var(--muted)}.bulk-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:-4px 0 14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;box-shadow:var(--shadow)}.bulk-actions strong{margin-right:4px}.select-col{width:42px;text-align:center}.select-col input{width:auto}
.table-card{overflow:auto;padding:0}.table-card>.card-head{padding:18px 20px 0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 13px;border-bottom:1px solid #e7edf7;vertical-align:middle}th{font-size:12px;color:var(--muted);font-weight:600;background:#f7f9fd;white-space:nowrap}td small{display:block;color:var(--muted)}tr:last-child td{border-bottom:0}.product-cell{display:flex;align-items:center;gap:10px;min-width:180px}.product-cell img{width:42px;height:42px;border-radius:9px;object-fit:cover;background:#eef4ff}.badge{display:inline-block;border-radius:99px;padding:3px 8px;font-size:11px;font-weight:600;white-space:nowrap}.badge.success{background:#eaf2ff;color:#155eef}.badge.danger{background:#ffe6ea;color:#c92a43}.badge.warning{background:#fff3d6;color:#a45f00}.badge.muted{background:#eef2f8;color:#60708c}.text-danger{color:var(--danger);font-weight:600}.text-success{color:var(--primary);font-weight:600}.empty{text-align:center;color:var(--muted);padding:30px}.hint{color:var(--muted)}
.center-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#eaf2ff,#f8faff);padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 25px 80px rgba(21,94,239,.14);display:flex;flex-direction:column;gap:14px}.login-card h1,.login-card p{text-align:center;margin:0}.login-card p{color:var(--muted)}.brand-mark{margin:auto;background:var(--primary);color:#fff;border-radius:16px;width:64px;height:64px;display:grid;place-items:center;font-size:20px;font-weight:700}
.pos-page{background:#eef4ff;height:100vh;overflow:hidden}.pos-topbar{min-height:68px;background:#102a56;color:#fff;padding:10px 22px;display:flex;align-items:center;justify-content:space-between;gap:15px;position:sticky;top:0;z-index:30;box-shadow:0 5px 20px rgba(16,42,86,.2)}.pos-topbar nav{display:flex;gap:8px;align-items:center}.pos-topbar form{display:flex}.pos-topbar .btn{background:#fff;color:#194185;border-color:#fff}.pos-brand{display:flex;align-items:baseline;gap:12px}.pos-brand b{font-size:25px}.pos-brand small{color:#c9dcfb}.pos-main{max-width:1900px;height:calc(100vh - 68px);margin:auto;padding:12px;overflow:hidden}
.scanner-bar{display:grid;grid-template-columns:minmax(300px,1fr) auto minmax(240px,auto);align-items:center;gap:8px;background:#fff;border:2px solid #84adff;border-radius:14px;padding:8px;margin-bottom:10px;box-shadow:0 8px 25px rgba(21,94,239,.1)}.scanner-input-wrap{position:relative}.scanner-input-wrap input{font-size:17px;font-weight:600;padding:10px 14px 10px 42px;border-color:#84adff}.scanner-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--primary);z-index:2}.scanner-status{border-radius:9px;padding:8px 12px;font-weight:600;text-align:center;white-space:nowrap}.scanner-status.ready{background:#eef4ff;color:#175cd3}.scanner-status.success{background:#eaf2ff;color:#155eef}.scanner-status.error{background:#fff0f2;color:#b4233a}.scanner-status.paused{background:#f2f4f7;color:#667085}
.pos-shell{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:14px;align-items:stretch;height:calc(100% - 66px);min-height:0}.pos-products{min-width:0;min-height:0;display:flex;flex-direction:column}.pos-tools{display:flex;gap:8px;margin-bottom:8px;flex:0 0 auto}.pos-tools input{font-size:16px;padding:10px 14px}.category-tabs{display:flex;gap:7px;overflow:auto;padding-bottom:8px;flex:0 0 auto}.category-tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 13px;white-space:nowrap}.category-tabs button.active{background:var(--primary);border-color:var(--primary);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:9px;overflow:auto;min-height:0;padding-right:2px}.product-card{border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden;text-align:left;padding:0;box-shadow:0 5px 16px rgba(21,94,239,.06);position:relative;display:flex;flex-direction:column;min-height:128px}.product-card:hover{border-color:#84adff;transform:translateY(-1px)}.product-media{width:100%;height:72px;background:#eef4ff;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-media img{width:100%;height:100%;object-fit:contain;background:#fff}.product-image-placeholder{flex-direction:column;gap:4px;color:#7f9bc7;font-size:11px;font-weight:600}.no-image-icon{font-size:24px;line-height:1;color:#9bb6df}.product-card.no-images{min-height:72px}.product-card.no-images .product-media{display:none}.product-card .product-info{padding:7px 9px 9px;display:flex;flex-direction:column;justify-content:flex-start;gap:2px;flex:1}.product-card strong{display:block;line-height:1.2;font-size:13px}.product-card b{display:block;color:var(--primary);font-size:15px;line-height:1.2}.product-card .special{position:absolute;top:6px;left:6px;background:#fff0c2;color:#8a5900;border-radius:99px;padding:2px 6px;font-size:10px;box-shadow:0 2px 7px rgba(0,0,0,.08)}
.cart-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;height:100%;min-height:0;display:flex;flex-direction:column;position:static}.cart-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px;flex:0 0 auto}.cart-head h2{margin:0}.cart-head small{color:var(--muted)}.cart-lines{flex:1 1 auto;min-height:0;overflow:auto;margin:8px -5px;padding:0 5px}.cart-line{display:grid;grid-template-columns:minmax(0,1fr) 62px 64px 25px;gap:7px;align-items:center;border-bottom:1px solid #e7edf7;padding:7px 0}.cart-line strong{font-size:13px;line-height:1.25}.cart-line small{display:block;color:var(--muted)}.cart-line input{padding:6px;text-align:center}.cart-line b{text-align:right}.cart-line button{border:0;background:none;color:var(--danger);font-size:18px}.cart-panel form{display:flex;flex-direction:column;gap:8px;flex:0 0 auto}.totals{border-top:1px dashed #b7c7df;padding-top:8px;display:flex;flex-direction:column;gap:7px}.totals>div,.totals>label{display:flex;flex-direction:row;align-items:center;justify-content:space-between;font-weight:500}.totals .grand{font-size:20px;color:var(--primary);padding:5px 0}.paid-field{background:#eef4ff;border:2px solid #84adff;border-radius:13px;padding:9px;color:#155eef;font-size:17px}.paid-field input{width:170px;border:2px solid #155eef;font-size:24px;font-weight:700;text-align:right;padding:7px 10px;color:#102a56}.paid-shortcuts{display:grid!important;grid-template-columns:repeat(6,1fr);gap:6px}.paid-shortcuts button{border:1px solid #bfd5ff;background:#fff;color:#155eef;border-radius:9px;padding:8px 4px;font-weight:700}.paid-shortcuts button:hover{background:#eef4ff}.change-total{background:#f7f9fd;border-radius:10px;padding:8px 10px}.change-total b{font-size:19px;color:#155eef}.checkout{font-size:16px;padding:12px}
.sale-detail{scroll-margin-top:85px}.sale-detail table{margin-bottom:10px}.qty-input{width:85px}.sale-detail details{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.sale-detail summary{cursor:pointer;color:var(--danger);font-weight:600}.return-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:15px}.return-form button{align-self:end}.void-sale-box{margin-top:18px;border:1px solid #ffc9d0;background:#fffafb;border-radius:12px;padding:15px}.void-sale-box h3{color:#b4233a;margin:0}.void-sale-box p{color:var(--muted);margin:4px 0 12px}.void-sale-form{display:grid;grid-template-columns:minmax(240px,1fr) auto;gap:10px;align-items:end}.modal-backdrop{position:fixed;inset:0;background:rgba(16,42,86,.55);display:grid;place-items:center;padding:20px;z-index:1000}.modal-backdrop[hidden]{display:none}.modal-open{overflow:hidden}.modal-card{width:min(760px,100%);max-height:92vh;overflow:auto;margin:0}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-head h2{margin:0}.success-modal{width:min(430px,100%);background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 90px rgba(16,42,86,.35);text-align:center}.success-modal h2{font-size:25px;margin:10px 0 0}.success-mark{width:68px;height:68px;border-radius:50%;margin:auto;display:grid;place-items:center;background:#eaf2ff;color:#155eef;font-size:38px;font-weight:700}.success-summary{margin:22px 0;display:flex;flex-direction:column;gap:9px}.success-summary div{display:flex;justify-content:space-between;align-items:center;background:#f7f9fd;border-radius:10px;padding:11px 13px}.success-summary strong{font-size:17px}.success-summary .change{background:#eaf2ff;color:#155eef}.success-summary .change strong{font-size:22px}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.modal-actions.three{grid-template-columns:repeat(3,1fr)}.modal-actions .btn{padding:12px}.receipt-page{background:#eef4ff;padding:25px}.receipt{width:80mm;min-height:120mm;margin:auto;background:#fff;padding:8mm;box-shadow:var(--shadow);color:#111}.receipt-store{text-align:center}.receipt-store h1{font-size:19px;margin:0}.receipt-store p{margin:2px;font-size:11px}.receipt-meta{font-size:10px;border-top:1px dashed #777;border-bottom:1px dashed #777;margin:10px 0;padding:7px 0;display:flex;flex-direction:column}.receipt table{font-size:10px}.receipt th,.receipt td{padding:5px 2px;border-bottom:1px dotted #bbb}.receipt th:nth-child(n+2),.receipt td:nth-child(n+2){text-align:right}.receipt-totals{margin-left:auto;width:70%;font-size:11px;padding-top:8px}.receipt-totals div{display:flex;justify-content:space-between}.receipt-totals .grand{font-size:15px;font-weight:700;border-top:1px solid #222;border-bottom:1px double #222;margin:4px 0;padding:4px 0}.receipt-footer{text-align:center;margin-top:18px;font-size:11px}.receipt-actions{display:flex;justify-content:center;gap:10px;margin:18px;flex-wrap:wrap}.receipt-a4{width:190mm;min-height:270mm;padding:15mm 18mm}.receipt-a4 .receipt-document-title{font-size:26px;font-weight:700;margin-bottom:18px}.receipt-a4 .receipt-store h1{font-size:22px}.receipt-a4 .receipt-store p{font-size:13px}.receipt-a4 .receipt-meta{font-size:13px;display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:18px 0;padding:10px 0}.receipt-a4 table{font-size:13px}.receipt-a4 th,.receipt-a4 td{padding:10px 8px}.receipt-a4 .receipt-totals{font-size:13px;width:42%;padding-top:14px}.receipt-a4 .receipt-totals .grand{font-size:18px}.receipt-a4 .receipt-footer{font-size:13px;margin-top:32px}
code{background:#eef2f8;border-radius:5px;padding:2px 5px}
@media(max-width:1200px){.stats{grid-template-columns:repeat(2,1fr)}.pos-shell{grid-template-columns:minmax(0,1fr) 330px}.cart-line{grid-template-columns:minmax(0,1fr) 54px 58px 22px}.tool-grid,.report-grid{grid-template-columns:1fr}}
@media(max-height:800px) and (min-width:981px){.pos-topbar{min-height:58px;padding:7px 18px}.pos-brand b{font-size:22px}.pos-topbar .btn{padding:7px 12px}.pos-main{height:calc(100vh - 58px);padding:8px}.scanner-bar{padding:6px;margin-bottom:7px}.scanner-input-wrap input{font-size:15px;padding:8px 12px 8px 38px}.scanner-status{padding:7px 10px}.pos-shell{height:calc(100% - 54px);gap:10px;grid-template-columns:minmax(0,1fr) 360px}.pos-tools{margin-bottom:6px}.pos-tools input{padding:8px 12px}.category-tabs{padding-bottom:6px}.category-tabs button{padding:5px 11px}.product-grid{grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:7px}.product-card{min-height:108px}.product-media{height:54px}.product-card .product-info{padding:6px 8px}.product-card strong{font-size:12px}.product-card b{font-size:14px}.cart-panel{padding:10px;overflow:auto}.cart-head{padding-bottom:6px}.cart-head h2{font-size:17px}.cart-lines{flex:0 0 112px;min-height:112px;max-height:150px;margin:6px -4px;padding:0 4px}.cart-line{grid-template-columns:minmax(0,1fr) 48px 58px 20px;gap:5px;padding:5px 0}.cart-line strong{font-size:12px}.cart-line input{padding:4px}.cart-line button{font-size:16px}.cart-panel form{gap:4px}.cart-panel label{gap:2px;font-size:12px}.cart-panel input,.cart-panel textarea{padding:5px 8px;border-radius:8px}.cart-panel textarea{min-height:28px}.totals{gap:3px;padding-top:5px}.totals .grand{font-size:16px;padding:1px 0}.paid-field{padding:5px 7px;border-radius:10px;font-size:13px}.paid-field input{width:112px;font-size:18px;padding:4px 7px}.change-total{padding:5px 7px}.change-total b{font-size:15px}.checkout{padding:7px;font-size:13px}}
@media(max-width:980px){.pos-page{height:auto;overflow:auto}.pos-main{height:auto;overflow:visible}.pos-shell{grid-template-columns:1fr;height:auto}.cart-panel{height:auto;max-height:none;padding:12px}.cart-lines{flex:0 0 auto;min-height:56px;max-height:220px;overflow:auto}.cart-line{grid-template-columns:minmax(0,1fr) 56px 62px 22px;padding:6px 0}.cart-line input{padding:5px}.cart-panel form{gap:5px}.cart-panel label{gap:3px;font-size:13px}.cart-panel input,.cart-panel textarea{padding:6px 9px}.cart-panel textarea{min-height:34px}.totals{gap:4px;padding-top:6px}.totals .grand{font-size:17px;padding:2px 0}.paid-field{padding:6px 8px;font-size:14px;border-radius:11px}.paid-field input{width:126px;font-size:20px;padding:5px 8px}.change-total{padding:6px 8px}.change-total b{font-size:16px}.checkout{padding:8px;font-size:14px}.product-grid{max-height:56vh;overflow:auto}.scanner-bar{grid-template-columns:1fr}.scanner-status{white-space:normal}}
@media(max-width:850px){.sidebar{transform:translateX(-100%);transition:.2s}.menu-open .sidebar{transform:translateX(0)}.main{margin-left:0}.menu-toggle{display:block}.content{padding:16px}.topbar{padding:0 15px}.split{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.return-form,.void-sale-form{grid-template-columns:1fr}.page-head{align-items:flex-start}.product-grid{grid-template-columns:repeat(auto-fill,minmax(125px,1fr))}}
@media(max-width:520px){.stats{grid-template-columns:1fr 1fr;gap:9px}.stat{min-height:100px;padding:13px}.stat b{font-size:22px}.page-head{flex-direction:column}.topbar .btn{display:none}.pos-topbar{align-items:flex-start;padding:8px 12px}.pos-topbar nav{flex-wrap:wrap;justify-content:flex-end;gap:6px}.pos-topbar .btn{padding:7px 10px;font-size:13px}.pos-brand{flex-direction:column;gap:0}.pos-brand b{font-size:22px}.filters>*{width:100%!important}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.modal-actions{grid-template-columns:1fr}.receipt-page{padding:0}.receipt{width:100%;box-shadow:none}.cart-line{grid-template-columns:minmax(0,1fr) 50px 56px 20px}.cart-lines{min-height:64px;max-height:190px}.totals .grand{font-size:16px}.paid-field{font-size:13px;padding:5px 7px}.paid-field input{width:112px;font-size:18px;padding:4px 7px}.change-total{padding:5px 7px}.change-total b{font-size:15px}.cart-panel input,.cart-panel textarea{padding:5px 8px}.cart-panel textarea{min-height:32px}.checkout{padding:7px;font-size:13px}}
@media print{.sidebar,.topbar,.no-print,.page-head .btn,.filters,.bulk-actions,.actions form,.actions .btn,.modal-backdrop{display:none!important}.main{margin:0}.content{padding:0}.card{box-shadow:none}.report-grid{grid-template-columns:1fr}.receipt-page{padding:0;background:#fff}.receipt{box-shadow:none}.receipt-a4{width:100%;min-height:0;padding:0}.receipt-actions{display:none}}