:root{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-soft: #eff6ff;--success: #16a34a;--success-soft: #f0fdf4;--danger: #dc2626;--danger-soft: #fef2f2;--warning: #d97706;--warning-soft: #fffbeb;--radius: 10px;--radius-sm: 7px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 25px rgba(15, 23, 42, .12);--font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--sidebar-w: 230px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}h1,h2,h3{margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}h1{font-size:1.55rem}h3{font-size:1.15rem}a{color:var(--primary)}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb26}button{cursor:pointer;padding:10px 18px;border:none;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-size:.95rem;font-weight:600;font-family:inherit;transition:background .15s,transform .05s;white-space:nowrap}button:hover{background:var(--primary-hover)}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}button.secondary:hover{background:var(--surface-2)}button.danger{background:var(--danger)}button.danger:hover{background:#b91c1c}button.success{background:var(--success)}button.success:hover{background:#15803d}button.ghost{background:transparent;color:var(--danger);padding:6px 10px}button.ghost:hover{background:var(--danger-soft)}button.sm{padding:6px 12px;font-size:.85rem}label{display:block;font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:6px}.field{margin-bottom:16px}.alert{background:var(--danger-soft);color:var(--danger);border:1px solid #fecaca;border-radius:var(--radius-sm);padding:10px 12px;font-size:.9rem;margin:12px 0 0}.status{background:var(--success-soft);color:var(--success);border:1px solid #bbf7d0;border-radius:var(--radius-sm);padding:10px 12px;font-size:.9rem;margin:12px 0 0}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:600}.badge.green{background:var(--success-soft);color:var(--success)}.badge.red{background:var(--danger-soft);color:var(--danger)}.badge.amber{background:var(--warning-soft);color:var(--warning)}.badge.blue{background:var(--primary-soft);color:var(--primary)}.badge.gray{background:var(--surface-2);color:var(--text-muted)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb);padding:20px}.login-card{background:var(--surface);width:100%;max-width:380px;padding:36px 32px;border-radius:16px;box-shadow:var(--shadow-lg)}.login-brand{text-align:center;margin-bottom:24px}.login-brand .logo{width:56px;height:56px;margin:0 auto 12px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:28px}.login-brand h1{font-size:1.4rem;margin-bottom:4px}.login-brand p{color:var(--text-muted);font-size:.9rem;margin:0}.login-card button[type=submit]{width:100%;margin-top:6px;padding:12px}.login-hint{margin-top:18px;text-align:center;font-size:.82rem;color:var(--text-muted)}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:20}.sidebar .brand{font-weight:800;font-size:1.1rem;color:#fff;padding:18px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid #1e293b}.sidebar .brand .logo{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px}.sidebar nav{display:flex;flex-direction:column;padding:12px 10px;gap:2px;overflow-y:auto}.sidebar nav a{text-decoration:none;color:#cbd5e1;font-weight:600;font-size:.92rem;padding:10px 14px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:10px;transition:background .15s,color .15s}.sidebar nav a .ic{width:20px;text-align:center}.sidebar nav a:hover{background:#1e293b;color:#fff}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .sidebar-foot{margin-top:auto;padding:14px;border-top:1px solid #1e293b}.sidebar .userline{font-size:.85rem;color:#94a3b8;margin-bottom:10px}.sidebar .userline b{color:#fff;display:block;font-size:.95rem}.sidebar .sidebar-foot button{width:100%;background:#1e293b;color:#fff}.sidebar .sidebar-foot button:hover{background:#334155}.content{flex:1;margin-left:var(--sidebar-w);min-width:0}.content main{padding:24px 28px;max-width:1280px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px;flex-wrap:wrap}.page-title{margin:0}.page-subtitle{color:var(--text-muted);margin:4px 0 0;font-size:.92rem}.page-actions{display:flex;gap:10px;flex-wrap:wrap}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card+.card{margin-top:20px}.card-title{font-size:1.05rem;font-weight:700;margin-bottom:16px}.toolbar{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}.toolbar .field{margin-bottom:0}.toolbar .grow{flex:1;min-width:200px}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}table{width:100%;border-collapse:collapse;font-size:.92rem}thead th{text-align:left;padding:12px 14px;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);background:var(--surface-2);border-bottom:1px solid var(--border)}tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--surface-2)}td.num,th.num{text-align:right}.qty-input{width:70px;padding:6px 8px;text-align:center}.row-actions{display:flex;gap:6px;justify-content:flex-end}.empty-state{text-align:center;color:var(--text-muted);padding:48px 20px}.cart-empty{text-align:center;color:var(--text-muted);padding:40px 0}.muted{color:var(--text-muted)}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:30px auto}@keyframes spin{to{transform:rotate(360deg)}}.pos-grid{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}.scan-form{display:flex;gap:10px;margin-bottom:16px}.scan-form input{flex:1}.checkout .row{display:flex;justify-content:space-between;align-items:center;margin:10px 0;font-size:.95rem}.checkout .row.total{font-size:1.25rem;font-weight:800;border-top:2px solid var(--border);padding-top:14px;margin-top:14px}.checkout button.pay{width:100%;padding:13px;font-size:1rem;margin-top:8px;background:var(--success)}.checkout button.pay:hover{background:#15803d}.search-results{position:relative}.search-dropdown{position:absolute;z-index:5;top:100%;left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);max-height:280px;overflow-y:auto;margin-top:4px}.search-dropdown .item{padding:10px 12px;cursor:pointer;display:flex;justify-content:space-between}.search-dropdown .item:hover{background:var(--primary-soft)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}.stat .label{font-size:.82rem;color:var(--text-muted);font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:8px}.stat .value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}.stat.profit .value{color:var(--success)}.stat.warn .value{color:var(--warning)}.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.report-filters{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;margin-bottom:20px}.report-filters .field{min-width:160px;margin-bottom:0}.no-perm{padding:48px;text-align:center;color:var(--text-muted)}.check-list{display:flex;flex-direction:column;gap:6px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;background:var(--surface-2)}.check-item{display:flex;align-items:center;gap:8px;font-weight:500;color:var(--text);margin:0;cursor:pointer}.check-item input{width:auto}code{background:var(--surface-2);padding:2px 6px;border-radius:4px;font-size:.85rem}.barchart{width:100%}.barchart-labels{display:flex;margin-top:6px}.barchart-labels .bl{flex:1;text-align:center;display:flex;flex-direction:column;gap:2px;min-width:0}.barchart-labels .bl .v{font-size:.72rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.barchart-labels .bl .l{font-size:.72rem;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;display:flex;flex-direction:column}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0}.modal-close{background:transparent;color:var(--text-muted);font-size:1.5rem;padding:0 6px;line-height:1}.modal-close:hover{background:transparent;color:var(--text)}.modal-body{padding:20px;overflow-y:auto}.modal-foot{padding:16px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.form-grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.toast-stack{position:fixed;top:20px;right:20px;z-index:100;display:flex;flex-direction:column;gap:10px}.toast{padding:12px 18px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:.92rem;font-weight:600;color:#fff;min-width:240px;animation:slidein .2s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}.toast-info{background:var(--primary)}@keyframes slidein{0%{transform:translate(40px);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 980px){.pos-grid,.dash-grid{grid-template-columns:1fr}}@media (max-width: 760px){:root{--sidebar-w: 0px}.sidebar{transform:translate(-100%)}.content{margin-left:0}.content main{padding:16px}}