:root{--color-bg:#f4f6fb;--color-surface:#fff;--color-border:#e3e7f0;--color-text:#1c2333;--color-muted:#6b7280;--color-primary:#3b6ff2;--color-primary-dark:#2d54c4;--color-success:#1fae64;--color-danger:#e0473d;--color-warning:#b7791f;--sidebar-width:240px;font-family:Segoe UI,Inter,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);margin:0}button{font-family:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);color:#fff;background:#171d2e;flex-direction:column;flex-shrink:0;padding:20px 12px;display:flex}.sidebar nav{flex:1}.sidebar-footer{border-top:1px solid #2a3350;margin-top:14px;padding-top:14px}.user-chip{padding:4px 12px 12px}.user-name{color:#fff;font-size:13.5px;font-weight:600}.user-role{color:#9aa5c0;text-transform:uppercase;letter-spacing:.04em;font-size:11.5px}.sidebar-footer .btn{color:#c7cfe4;background:#232b42;border-color:#2a3350}.sidebar-footer .btn:hover{color:#fff;background:#2a3350}.brand{padding:8px 12px 24px}.brand-name{font-size:18px;font-weight:700}.brand-sub{color:#9aa5c0;font-size:12px}.nav-link{color:#c7cfe4;border-radius:8px;align-items:center;gap:10px;margin-bottom:2px;padding:10px 12px;font-size:14px;text-decoration:none;display:flex}.nav-link:hover{color:#fff;background:#232b42}.nav-link.active{background:var(--color-primary);color:#fff}.nav-icon{font-size:16px}.content{flex:1;max-width:1280px;padding:28px 32px}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header h1{margin:0;font-size:22px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;margin-bottom:20px;padding:20px}.card h3{color:var(--color-text);margin-top:0;font-size:15px}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px;display:grid}.kpi-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:18px}.kpi-label{color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.kpi-value{margin:6px 0 4px;font-size:24px;font-weight:700}.kpi-sub{color:var(--color-muted);font-size:12px}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=960px){.grid-2{grid-template-columns:1fr}}.table{border-collapse:collapse;width:100%;font-size:13.5px}.table th{text-align:left;color:var(--color-muted);border-bottom:1px solid var(--color-border);text-transform:uppercase;letter-spacing:.03em;padding:8px 10px;font-size:12px;font-weight:600}.table td{vertical-align:middle;border-bottom:1px solid #f0f1f5;padding:9px 10px}.table .num{text-align:right;font-variant-numeric:tabular-nums}.row-warning td{background:#fff8ec}.row-muted td{color:var(--color-muted)}.row-actions{justify-content:flex-end;gap:6px;display:flex}.muted{color:var(--color-muted)}.small{font-size:12px}.text-right{text-align:right}.text-danger{color:var(--color-danger)}.btn{border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;background:#fff;border-radius:8px;padding:8px 14px;font-size:13.5px}.btn:hover{border-color:#c7cfe4}.btn:disabled{opacity:.6;cursor:default}.btn-sm{padding:5px 10px;font-size:12.5px}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-danger{color:var(--color-danger);background:#fdeceb;border-color:#f6c8c4}.btn-block{width:100%}.icon-btn{cursor:pointer;color:var(--color-muted);background:0 0;border:none;font-size:14px}.filters{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.filters input,.filters select{border:1px solid var(--color-border);border-radius:8px;padding:8px 10px;font-size:13.5px}.checkbox-label{align-items:center;gap:6px;font-size:13.5px;display:flex}.pagination{color:var(--color-muted);justify-content:center;align-items:center;gap:16px;margin-top:14px;font-size:13px;display:flex}.modal-overlay{z-index:50;background:#0f142373;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:#fff;border-radius:14px;width:100%;max-height:90vh;margin:20px;overflow-y:auto}.modal-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-header h3{margin:0;font-size:16px}.modal-body{padding:20px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:8px;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-grid label{color:var(--color-muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.form-grid input,.form-grid select{border:1px solid var(--color-border);color:var(--color-text);border-radius:8px;padding:9px 10px;font-size:14px}.span-2{grid-column:span 2}.pos-grid{grid-template-columns:2fr 1fr;align-items:start;gap:20px;display:grid}@media (width<=1000px){.pos-grid{grid-template-columns:1fr}}.search-results{border:1px solid var(--color-border);border-radius:10px;max-height:260px;margin-top:8px;overflow-y:auto}.search-result-item{cursor:pointer;border-bottom:1px solid #f0f1f5;justify-content:space-between;padding:10px 14px;display:flex}.search-result-item:hover{background:#f4f6fb}.cart-table{margin-top:16px}.cell-input{border:1px solid var(--color-border);text-align:right;border-radius:6px;width:70px;padding:5px 6px}.checkout-card label{color:var(--color-muted);flex-direction:column;gap:6px;margin-bottom:12px;font-size:13px;display:flex}.checkout-card input,.checkout-card select{border:1px solid var(--color-border);border-radius:8px;padding:9px 10px;font-size:14px}.totals{border-top:1px solid var(--color-border);margin:12px 0;padding-top:12px}.totals>div{color:var(--color-muted);justify-content:space-between;padding:4px 0;font-size:13.5px;display:flex}.totals-grand{border-top:1px solid var(--color-border);margin-top:4px;font-weight:700;color:var(--color-text)!important;padding-top:8px!important;font-size:17px!important}.alert{border-radius:8px;margin-top:12px;padding:10px 14px;font-size:13.5px}.alert-warning{color:var(--color-warning);background:#fff6e0;border:1px solid #f2dfa5}.alert-success{color:var(--color-success);background:#e8f9ef;border:1px solid #b7e9c9}.alert-danger{color:var(--color-danger);background:#fdeceb;border:1px solid #f6c8c4}.login-page{background:var(--color-bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:14px;width:100%;max-width:360px;padding:32px;box-shadow:0 12px 32px #14192d14}.login-card h1{margin:0 0 4px;font-size:20px}.login-card .muted{margin:0 0 20px;font-size:13px}.login-card label{color:var(--color-muted);flex-direction:column;gap:6px;margin-bottom:14px;font-size:13px;display:flex}.login-card input{border:1px solid var(--color-border);border-radius:8px;padding:10px 12px;font-size:14px}.login-card .btn{margin-top:6px}.badge{text-transform:capitalize;border-radius:999px;padding:3px 9px;font-size:11.5px;font-weight:600;display:inline-block}.badge-success{color:var(--color-success);background:#e8f9ef}.badge-danger{color:var(--color-danger);background:#fdeceb}.badge-muted{color:var(--color-muted);background:#eef0f4}.tabs{flex-wrap:wrap;gap:6px;margin-bottom:18px;display:flex}.tab{border:1px solid var(--color-border);cursor:pointer;background:#fff;border-radius:999px;padding:8px 14px;font-size:13px}.tab.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.inline-form{gap:8px;margin-top:12px;display:flex}.inline-form input{border:1px solid var(--color-border);border-radius:8px;flex:1;padding:8px 10px}.link{color:var(--color-primary);font-size:13px;text-decoration:none}.toast-stack{z-index:100;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:20px;right:20px}.toast{color:#fff;border-radius:10px;min-width:220px;padding:12px 16px;font-size:13.5px;box-shadow:0 8px 20px #00000026}.toast-success{background:var(--color-success)}.toast-error{background:var(--color-danger)}.toast-info{background:#2b3550}