:root{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--primary: #1d4ed8;--primary-dark: #1e3a8a;--primary-light: #dbeafe;--accent: #ea580c;--accent-light: #ffedd5;--success: #16a34a;--success-light: #dcfce7;--danger: #dc2626;--danger-light: #fee2e2;--warning: #d97706;--warning-light: #fef3c7;--radius: 12px;--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,.1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:15px}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--primary-dark);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;transition:transform .25s ease;z-index:100}.sidebar-brand{padding:22px 20px;font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-brand .flame{font-size:24px}.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:8px;color:#cbd5e1;font-weight:500;transition:all .15s}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:var(--primary);color:#fff}.nav-item .ico{width:20px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}.sidebar-footer .role-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;background:var(--accent);color:#fff;margin-top:4px;text-transform:uppercase}.btn-logout{margin-top:10px;width:100%;padding:8px;background:#ffffff1a;color:#fff;border:none;border-radius:8px;font-weight:500}.btn-logout:hover{background:#fff3}.main{flex:1;margin-left:250px;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}.topbar h1{font-size:20px;font-weight:600}.hamburger{display:none;background:none;border:none;font-size:22px}.content{padding:24px;flex:1}.grid{display:grid;gap:16px}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:14px;color:var(--text-muted);font-weight:600;margin-bottom:14px}.kpi{position:relative;overflow:hidden}.kpi .kpi-label{font-size:13px;color:var(--text-muted);font-weight:500}.kpi .kpi-value{font-size:28px;font-weight:700;margin-top:6px}.kpi .kpi-sub{font-size:12px;color:var(--text-muted);margin-top:4px}.kpi .kpi-icon{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px}.kpi.blue .kpi-icon{background:var(--primary-light)}.kpi.orange .kpi-icon{background:var(--accent-light)}.kpi.green .kpi-icon{background:var(--success-light)}.kpi.red .kpi-icon{background:var(--danger-light)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border)}th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);font-weight:600}tbody tr:hover{background:var(--surface-2)}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.green{background:var(--success-light);color:var(--success)}.badge.orange{background:var(--warning-light);color:var(--warning)}.badge.red{background:var(--danger-light);color:var(--danger)}.badge.blue{background:var(--primary-light);color:var(--primary)}.badge.gray{background:#e2e8f0;color:#475569}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:9px;font-weight:600;font-size:14px;background:var(--primary);color:#fff;transition:all .15s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.accent{background:var(--accent)}.btn.accent:hover{filter:brightness(.92)}.btn.ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn.ghost:hover{background:var(--surface-2)}.btn.success{background:var(--success)}.btn.danger{background:var(--danger)}.btn.sm{padding:6px 12px;font-size:13px}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-row label{font-size:13px;font-weight:600;color:var(--text-muted)}.input,select.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;background:#fff;transition:border-color .15s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:18px}.modal-body{padding:22px}.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}.close-x{background:none;border:none;font-size:24px;color:var(--text-muted);line-height:1}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.page-header h2{font-size:22px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}.search-input{max-width:300px}.alert{padding:12px 16px;border-radius:9px;margin-bottom:16px;font-size:14px}.alert.error{background:var(--danger-light);color:var(--danger)}.alert.success{background:var(--success-light);color:var(--success)}.alert.warning{background:var(--warning-light);color:var(--warning)}.empty{text-align:center;padding:40px;color:var(--text-muted)}.muted{color:var(--text-muted)}.spinner-wrap{display:flex;justify-content:center;padding:60px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark),#0f172a);padding:16px}.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);width:100%;max-width:400px;padding:36px}.login-logo{text-align:center;margin-bottom:24px}.login-logo .flame{font-size:44px}.login-logo h1{font-size:24px;margin-top:8px}.login-logo p{color:var(--text-muted);font-size:14px}.login-hint{margin-top:18px;padding:12px;background:var(--surface-2);border-radius:9px;font-size:12px;color:var(--text-muted)}.pos-layout{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.product-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;transition:all .15s;text-align:left}.product-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}.product-card .p-name{font-weight:600;font-size:14px}.product-card .p-price{color:var(--accent);font-weight:700;margin-top:6px}.product-card .p-stock{font-size:12px;color:var(--text-muted);margin-top:2px}.product-card.out{opacity:.5;cursor:not-allowed}.cart{position:sticky;top:90px}.cart-item{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--border)}.cart-item .ci-name{flex:1;font-size:14px}.qty-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:#fff;font-weight:700}.cart-total{display:flex;justify-content:space-between;font-size:18px;font-weight:700;margin:14px 0}.bars{display:flex;align-items:flex-end;gap:10px;height:160px;padding-top:10px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}.bar{width:100%;max-width:42px;background:var(--primary);border-radius:6px 6px 0 0;transition:height .3s;min-height:2px}.bar-label{font-size:11px;color:var(--text-muted)}.bar-val{font-size:11px;font-weight:600}.backdrop{display:none}@media (max-width: 900px){.pos-layout,.form-grid{grid-template-columns:1fr}}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main{margin-left:0}.hamburger{display:block}.backdrop.show{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:90}.content{padding:16px}}