:root{--bg:#f3f4f6;--surface:#fff;--text:#21242a;--muted:#6e7278;--line:#dde1e6;--primary:#c61d34;--primary2:#a5162a;--danger:#bd2c2c;--warning:#b16a08;--success:#2f7d4c;--nav:#5f6369;--nav2:#747980;--shadow:0 8px 28px rgba(18,32,44,.1)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font:14px/1.45 Arial,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.login-view{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#f2f3f5,#dfe3e8)}.login-card{width:min(560px,100%);background:#fff;border-radius:22px;padding:30px 34px;box-shadow:0 24px 70px rgba(0,0,0,.18);border:1px solid #eceff3}.login-card h1{font-size:26px;margin:10px 0 6px;text-align:center;color:var(--primary)}.login-card p{text-align:center;color:var(--muted);margin:0 0 24px}.brand-mark{width:58px;height:58px;border-radius:16px;background:var(--primary);color:#fff;font-weight:800;font-size:30px;display:grid;place-items:center;margin:auto}.brand-mark.small{width:38px;height:38px;font-size:20px;margin:0;border-radius:10px}.login-card label,.form-card label{display:flex;flex-direction:column;gap:6px;font-weight:600;margin-bottom:14px}.login-card input,.form-card input,.form-card select,.form-card textarea,.toolbar input,.toolbar select{border:1px solid var(--line);border-radius:8px;padding:10px 11px;background:#fff;color:var(--text);min-width:0}.login-card input:focus,.form-card input:focus,.form-card select:focus,.form-card textarea:focus,.toolbar input:focus,.toolbar select:focus{outline:2px solid rgba(17,107,91,.2);border-color:var(--primary)}.form-error{color:var(--danger);min-height:22px;margin-top:10px}.app{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--nav);color:#fff;padding:20px 14px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:10px}.brand strong{display:block;font-size:14px;letter-spacing:.3px}.brand span{display:block;color:#eef0f2;font-size:11px;margin-top:2px;line-height:1.35}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav button{border:0;background:transparent;color:#c9d9d7;text-align:left;padding:11px 13px;border-radius:8px}.sidebar nav button:hover,.sidebar nav button.active{background:var(--nav2);color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:15px 8px 0;color:#a7c3c1;font-size:11px}.sidebar-foot .link-btn{color:#fff;margin-left:6px}.main{min-width:0;padding:0 24px 40px}.topbar{height:78px;display:flex;align-items:center;gap:14px;position:sticky;top:0;background:rgba(243,244,246,.96);backdrop-filter:blur(8px);z-index:10;border-bottom:1px solid var(--line)}.topbar h2{margin:0;font-size:21px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.icon-btn{display:none;border:0;background:none;font-size:24px}.user-menu{position:relative}.user-button{border:0;background:#fff;border-radius:10px;padding:7px 10px;display:flex;align-items:center;gap:8px;box-shadow:0 1px 5px rgba(0,0,0,.08)}.user-button>span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#dceeea;color:var(--primary2);font-weight:800}.user-button strong,.user-button small{display:block;text-align:left}.user-button small{color:var(--muted)}.dropdown{position:absolute;right:0;top:52px;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);min-width:170px;padding:6px}.dropdown button{display:block;width:100%;border:0;background:none;text-align:left;padding:9px;border-radius:6px}.dropdown button:hover{background:var(--bg)}.page{display:none;padding-top:22px}.page.active{display:block}.muted{color:var(--muted)}.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.03)}.kpi span{color:var(--muted);font-size:12px}.kpi strong{display:block;font-size:27px;margin-top:6px}.kpi small{display:block;color:var(--muted);margin-top:3px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}.card,.form-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.03);padding:18px}.card-head,.section-title,.line-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.card h3,.form-card h3,.line-head h3{margin:0}.section-title p{margin:4px 0 0;color:var(--muted)}.alert-list,.recent-list{display:flex;flex-direction:column;gap:8px}.alert-row,.recent-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px;border:1px solid var(--line);border-radius:8px}.alert-row.negative{border-left:4px solid var(--danger)}.alert-row.low{border-left:4px solid var(--warning)}.alert-row small,.recent-row small{color:var(--muted);display:block}.chart-bars{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;align-items:end;min-height:210px;padding-top:15px}.bar-group{display:flex;justify-content:center;align-items:end;gap:5px;height:160px;border-bottom:1px solid var(--line);position:relative}.bar{width:24px;min-height:2px;border-radius:5px 5px 0 0}.bar.in{background:#42a57d}.bar.out{background:#e07c59}.bar-label{position:absolute;top:166px;white-space:nowrap;font-size:11px;color:var(--muted)}.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}.toolbar .search{min-width:270px;flex:1}.toolbar .wide{min-width:360px;max-width:550px}.btn{border:1px solid var(--line);background:#fff;padding:9px 13px;border-radius:8px;color:var(--text);font-weight:600}.btn:hover{background:#f7f9fa}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{background:var(--primary2)}.btn.success{background:var(--success);color:#fff;border-color:var(--success)}.btn.danger{background:#fff0f0;color:var(--danger);border-color:#efbcbc}.btn.full{width:100%}.link-btn{border:0;background:none;color:var(--primary);padding:0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}table{border-collapse:collapse;width:100%;min-width:800px}th,td{padding:10px 11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f2f5f6;color:#465260;font-size:12px;position:sticky;top:0;z-index:1}tbody tr:hover{background:#fafcfc}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.stock-negative{color:var(--danger);font-weight:800}.stock-low{color:var(--warning);font-weight:800}.badge{display:inline-block;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.badge.in{background:#dff4ea;color:#12653d}.badge.out{background:#fde8df;color:#98401e}.badge.admin{background:#e2e8fb;color:#314b9b}.badge.keeper{background:#dff4ea;color:#12653d}.badge.viewer{background:#edf0f2;color:#4d5967}.actions{white-space:nowrap}.actions button{border:0;background:none;color:var(--primary);padding:3px 5px}.actions .del{color:var(--danger)}.form-card{max-width:1400px;margin:auto}.form-card.narrow{max-width:720px;margin:0 0 18px}.form-grid{display:grid;gap:0 14px}.form-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.span-2{grid-column:span 2}.span-4{grid-column:span 4}.line-table select,.line-table input{width:100%;border:1px solid var(--line);border-radius:6px;padding:8px}.line-table .item-select{min-width:320px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.form-actions.left{justify-content:flex-start}.warning{padding:11px 13px;background:#fff4dc;color:#80520b;border:1px solid #f2d093;border-radius:8px;margin-top:12px}.info-strip{display:flex;gap:25px;flex-wrap:wrap;background:#eaf3f1;border:1px solid #c9dfda;padding:11px 14px;border-radius:9px;margin-bottom:12px}.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(10,20,28,.55)}.modal-box{position:relative;background:#fff;border-radius:12px;width:min(720px,100%);max-height:90vh;overflow:auto;box-shadow:0 25px 80px rgba(0,0,0,.35);padding:23px}.modal-close{position:absolute;right:10px;top:8px;border:0;background:none;font-size:27px;color:var(--muted)}.modal-box h3{margin:0 0 18px}.modal-box form label{display:flex;flex-direction:column;gap:5px;font-weight:600;margin-bottom:12px}.modal-box input,.modal-box select,.modal-box textarea{border:1px solid var(--line);border-radius:8px;padding:10px}.toast{position:fixed;right:22px;bottom:22px;background:#17242b;color:#fff;padding:12px 16px;border-radius:9px;box-shadow:var(--shadow);z-index:200}.toast.error{background:#8f2020}.check{flex-direction:row!important;align-items:center}.check input{width:auto}.file-btn input{display:none}.empty{padding:30px;text-align:center;color:var(--muted)}@media(max-width:1000px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:-260px;width:245px;transition:.2s}.sidebar.show{left:0}.icon-btn{display:block}.kpi-grid{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.form-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.span-4{grid-column:span 2}.main{padding:0 14px 30px}}@media(max-width:620px){.topbar{height:auto;min-height:68px;padding:8px 0}.top-actions>.btn{display:none}.user-button div{display:none}.kpi-grid{grid-template-columns:1fr 1fr}.kpi strong{font-size:22px}.form-grid.cols-4{grid-template-columns:1fr}.span-2,.span-4{grid-column:span 1}.toolbar>*{flex:1 1 45%}.toolbar .search,.toolbar .wide{min-width:100%;max-width:none}.chart-bars{gap:5px}.bar{width:14px}.login-card{padding:26px 22px}}
@media print{body{background:#fff}.sidebar,.topbar,.toolbar,.form-actions,.btn{display:none!important}.main{padding:0}.page{display:none!important}.page.active{display:block!important}.table-wrap{border:0;overflow:visible}table{min-width:0}th{position:static}.card,.form-card{border:0;box-shadow:none;padding:0}}

.login-brand-wrap{display:flex;justify-content:center;margin-bottom:8px}.login-logo{display:block;width:min(420px,100%);height:auto;object-fit:contain}.login-company-name{text-align:center;font-weight:700;color:#666a70;letter-spacing:.2px;margin-bottom:4px}.sidebar-logo{width:54px;height:auto;display:block;flex:0 0 54px;background:#fff;border-radius:12px;padding:6px}.topbar-title-wrap{min-width:220px}.topbar-company{display:flex;flex-direction:column;gap:2px;padding:8px 14px;border-left:3px solid var(--primary);margin-left:6px}.topbar-company strong{font-size:13px;color:#3f444b;max-width:460px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-company small{color:var(--muted)}.company-print{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:2px solid #cfd5db;padding-bottom:10px;margin-bottom:12px}.company-print .company{font-size:11px;line-height:1.5}.company-print .company strong{font-size:15px;color:#222}.company-print img{width:220px;max-width:42%;height:auto;object-fit:contain}.sidebar nav button:hover,.sidebar nav button.active{background:rgba(255,255,255,.16);color:#fff}.btn.primary{background:linear-gradient(180deg,var(--primary),var(--primary2));color:#fff;border-color:var(--primary)}.user-button>span{background:#f4d7dc;color:var(--primary)}.info-strip{background:#f7f2f3;border:1px solid #ead1d6}.table-wrap{box-shadow:0 1px 2px rgba(0,0,0,.02)}@media(max-width:1000px){.topbar-company{display:none}}@media(max-width:620px){.login-logo{width:min(280px,100%)}.login-company-name{font-size:12px}.login-card h1{font-size:22px}}
.sync-line{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.lan-access{margin-top:12px;padding:10px;border-radius:8px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12)}.lan-access span{display:block;color:#eef0f2;font-weight:700;margin-bottom:4px}.lan-access a{display:block;color:#fff;text-decoration:none;word-break:break-all;font-size:11px;margin-bottom:5px}.lan-access a:hover{text-decoration:underline}.lan-access .link-btn{font-size:11px;color:#fff;text-decoration:underline}

.partner-filter{min-width:230px}.toolbar select.partner-filter{max-width:360px}.print-fix-note{font-size:12px;color:var(--muted)}

.line-table .line-category,.line-table .line-type{min-width:145px}.line-table .item-select{min-width:280px}

/* V4.9 - Hinh anh va gia tri ton kho */
.image-cell{text-align:center;vertical-align:middle;min-width:78px}.image-button{border:0;background:transparent;padding:0;display:inline-grid;place-items:center;border-radius:8px;overflow:hidden;vertical-align:middle}.image-button:hover{outline:2px solid rgba(198,29,52,.22)}.image-button img{display:block;width:64px;height:52px;object-fit:cover;background:#f2f3f5}.image-placeholder{display:inline-grid;place-items:center;width:64px;height:52px;border:1px dashed #c8ccd1;border-radius:8px;background:#f7f8f9;color:#8a9097;font-size:10px;line-height:1.15;text-align:center;padding:4px}.voucher-thumb img,.image-placeholder.voucher-thumb{width:52px;height:44px}.line-image{min-width:66px}.item-image-editor{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:12px;background:#f8f9fa;margin-bottom:14px}.item-image-preview-wrap{width:220px;height:160px;border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--line);display:grid;place-items:center}.item-image-preview-wrap img{width:100%;height:100%;object-fit:contain}.item-image-empty{color:var(--muted);font-size:12px;text-align:center;padding:15px}.item-image-controls{display:flex;align-items:flex-start;flex-direction:column;gap:9px}.item-image-controls strong{font-size:16px}.item-image-controls span{color:var(--muted);font-size:12px}.file-select-btn{display:inline-flex!important;flex-direction:row!important;align-items:center!important;margin:0!important;width:max-content}.file-select-btn input{display:none}.modal-box{width:min(900px,100%)}.line-table{min-width:1450px}@media(max-width:620px){.item-image-editor{grid-template-columns:1fr}.item-image-preview-wrap{width:100%;height:180px}.inventory-thumb img,.image-placeholder.inventory-thumb{width:54px;height:46px}}

.image-viewer-title{text-align:center;font-weight:700;margin:-4px 0 12px}.image-viewer{min-height:300px;max-height:68vh;display:grid;place-items:center;background:#f4f5f6;border:1px solid var(--line);border-radius:12px;overflow:auto;padding:12px}.image-viewer img{display:block;max-width:100%;max-height:64vh;object-fit:contain;border-radius:8px;background:#fff}

.print-voucher-btn{font-weight:700!important;color:#c61d34!important}

.value-note{margin:0 0 12px;padding:10px 13px;border-left:4px solid var(--primary);background:#fff;border-radius:7px;color:var(--muted)}
.price-input{width:145px;max-width:100%;border:1px solid var(--line);border-radius:7px;padding:8px 10px;text-align:right;font-variant-numeric:tabular-nums;background:#fff8da;font-weight:700;color:#5b4600}
.price-input:focus{outline:2px solid rgba(198,29,52,.18);border-color:var(--primary);background:#fff}
.value-cell{font-weight:800;color:var(--primary);white-space:nowrap}
#page-values .info-strip{font-size:14px}
#page-values .info-strip strong{color:#30343a}
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}

.catalog-create-note{margin:0 0 16px;padding:11px 13px;border:1px solid #ead1d6;border-left:4px solid var(--primary);border-radius:8px;background:#fff8f9;color:#4c4144}.field-help{font-weight:400;color:var(--muted);font-size:11px;line-height:1.35}.form-card label datalist,.modal-box label datalist{display:none}

/* V5.2 - Dropdown nhom/loai va tao moi */
.catalog-select-wrap{display:flex;flex-direction:column;gap:8px}
.catalog-select-wrap select{width:100%;font-weight:600;background:#fff}
.catalog-new-input{width:100%;border-left:4px solid var(--primary)!important;background:#fff8f9!important}
.catalog-select-wrap select option[value="__new__"]{font-weight:700;color:#c61d34}