:root{--bg-primary:#f8f9fb;--bg-secondary:#fff;--bg-card:#fff;--bg-glass:#ffffffd9;--bg-input:#f3f4f6;--bg-hover:#f0f1f3;--bg-sidebar:#fff;--border:#e5e7eb;--border-light:#d1d5db;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--accent:#d97706;--accent-hover:#b45309;--accent-glow:#d977061f;--accent-soft:#d9770614;--green:#059669;--green-soft:#05966914;--red:#dc2626;--red-soft:#dc26260f;--blue:#2563eb;--blue-soft:#2563eb0f;--purple:#7c3aed;--purple-soft:#7c3aed0f;--radius:10px;--radius-sm:6px;--radius-lg:14px;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-lg:0 4px 16px #00000014;--transition:all .2s ease;--sidebar-width:256px;--font:"Inter", -apple-system, sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:14px}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}a{color:var(--accent);text-decoration:none}img{max-width:100%;display:block}input,select,textarea,button{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.login-page{background:linear-gradient(135deg,#fdf6e3 0%,#f8f9fb 50%,#fef3c7 100%);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative}.login-page:before{content:"";background:radial-gradient(circle,#d9770614 0%,#0000 70%);border-radius:50%;width:500px;height:500px;position:absolute;top:-150px;right:-150px}.login-card{border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);z-index:1;background:#fff;padding:48px 40px;position:relative}.login-logo{text-align:center;margin-bottom:8px;font-size:2.4rem}.login-brand{text-align:center;color:var(--accent);margin-bottom:4px;font-size:1.5rem;font-weight:700}.login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:.9rem}.login-card .form-group{margin-bottom:20px}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);z-index:100;flex-direction:column;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-header{border-bottom:1px solid var(--border);padding:20px 20px 16px}.sidebar-brand{justify-content:center;align-items:center;display:flex}.sidebar-brand-logo{width:100%;max-width:200px;height:auto;display:block}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.nav-section-title{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);padding:16px 12px 6px;font-size:.65rem;font-weight:600}.nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition);align-items:center;gap:12px;margin-bottom:2px;padding:10px 14px;font-size:.9rem;font-weight:500;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.nav-item i{text-align:center;width:20px;font-size:1rem}.nav-item .badge{background:var(--red);color:#fff;border-radius:10px;margin-left:auto;padding:2px 7px;font-size:.65rem;font-weight:600}.sidebar-footer{border-top:1px solid var(--border);padding:16px}.sidebar-user{border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px;display:flex}.sidebar-user-avatar{background:var(--accent-soft);width:36px;height:36px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-info .name{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.sidebar-user-info .role{color:var(--text-muted);text-transform:capitalize;font-size:.7rem}.btn-logout{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:6px;padding:6px}.btn-logout:hover{color:var(--red);background:var(--red-soft)}.main-content{margin-left:var(--sidebar-width);background:var(--bg-primary);flex:1;min-height:100vh}.page-header{border-bottom:1px solid var(--border);z-index:50;background:#fff;justify-content:space-between;align-items:center;gap:16px;padding:20px 32px;display:flex;position:sticky;top:0}.page-header h1{font-size:1.5rem;font-weight:700}.page-header-subtitle{color:var(--text-secondary);font-size:.85rem}.page-body{padding:24px 32px}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:.8rem;font-weight:600;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:10px 14px}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.form-select{cursor:pointer}.form-select option{background:#fff}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-error{color:var(--red);margin-top:4px;font-size:.75rem}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:.85rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #d9770640}.btn-secondary{color:var(--text-primary);border:1px solid var(--border);background:#fff}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{color:var(--text-secondary);background:0 0;padding:8px 12px}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-hover)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-lg{padding:14px 28px;font-size:1rem}.btn-block{justify-content:center;width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);background:#fff}.card:hover{box-shadow:var(--shadow)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-header h3{font-size:1rem;font-weight:600}.card-body{padding:20px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);background:#fff;align-items:flex-start;gap:16px;padding:20px;display:flex}.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.2rem;display:flex}.stat-icon.amber{background:var(--accent-soft);color:var(--accent)}.stat-icon.green{background:var(--green-soft);color:var(--green)}.stat-icon.red{background:var(--red-soft);color:var(--red)}.stat-icon.blue{background:var(--blue-soft);color:var(--blue)}.stat-icon.purple{background:var(--purple-soft);color:var(--purple)}.stat-info{flex:1}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:.75rem}.stat-value{font-size:1.6rem;font-weight:800;line-height:1.2}.stat-change{align-items:center;gap:4px;margin-top:4px;font-size:.75rem;display:flex}.stat-change.up{color:var(--green)}.stat-change.down{color:var(--red)}.table-wrapper{border-radius:var(--radius);border:1px solid var(--border);overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);background:var(--bg-primary);border-bottom:1px solid var(--border);white-space:nowrap;padding:12px 16px;font-size:.7rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px 16px;font-size:.9rem}.data-table tbody tr{transition:var(--transition)}.data-table tbody tr:hover{background:var(--bg-hover)}.data-table tbody tr:last-child td{border-bottom:none}.badge-status{border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-status.green{background:var(--green-soft);color:var(--green)}.badge-status.red{background:var(--red-soft);color:var(--red)}.badge-status.amber{background:var(--accent-soft);color:var(--accent)}.badge-status.blue{background:var(--blue-soft);color:var(--blue)}.badge-status.purple{background:var(--purple-soft);color:var(--purple)}.badge-status:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0000004d;justify-content:center;align-items:center;padding:20px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;box-shadow:var(--shadow-lg);background:#fff;animation:.3s slideUp;overflow-y:auto}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-lg{max-width:720px}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-header h2{font-size:1.15rem;font-weight:700}.modal-close{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:1.2rem}.modal-close:hover{color:var(--text-primary);background:var(--bg-hover)}.modal-body{padding:24px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 24px;display:flex}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.toolbar-left,.toolbar-right{align-items:center;gap:10px;display:flex}.search-input{position:relative}.search-input i{color:var(--text-muted);font-size:.85rem;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input input{min-width:260px;padding-left:36px}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state i{opacity:.3;margin-bottom:16px;font-size:3rem}.empty-state h3{color:var(--text-secondary);margin-bottom:8px;font-size:1.1rem}.stock-summary-bar{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;padding:12px 16px;display:flex}.stock-summary-chip{color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:.85rem;display:inline-flex}.stock-summary-chip i{color:var(--accent);font-size:.8rem}.stock-summary-chip small{color:var(--text-muted);font-size:.75rem}.product-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;display:grid}.product-card{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);background:#fff;overflow:hidden}.product-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px)}.product-card-img{object-fit:cover;background:var(--bg-primary);justify-content:center;align-items:center;width:100%;height:160px;display:flex}.product-card-body{padding:14px}.product-card-body h4{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:.9rem;font-weight:600;overflow:hidden}.product-card-meta{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.product-card-stock{color:var(--text-secondary);font-size:.8rem}.product-card-type{text-transform:uppercase;border-radius:10px;padding:2px 8px;font-size:.65rem;font-weight:600}.product-card-type.unit{background:var(--blue-soft);color:var(--blue)}.product-card-type.liquid{background:var(--purple-soft);color:var(--purple)}.checkout-items-list{max-height:400px;overflow-y:auto}.checkout-item{background:var(--bg-primary);border-radius:var(--radius-sm);border:1px solid var(--border);align-items:center;gap:12px;margin-bottom:8px;padding:12px;display:flex}.checkout-item-info{flex:1}.checkout-item-name{font-size:.9rem;font-weight:600}.checkout-item-type{color:var(--text-muted);font-size:.75rem}.checkout-item input{text-align:center;width:100px}.checkout-item .btn-remove{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px}.checkout-item .btn-remove:hover{color:var(--red)}.alert-list{flex-direction:column;gap:8px;display:flex}.alert-item{border-radius:var(--radius-sm);align-items:center;gap:12px;padding:12px 16px;font-size:.85rem;display:flex}.alert-item.warning{color:#92400e;background:#fffbeb;border:1px solid #fde68a}.alert-item.danger{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.alert-item.info{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe}.alert-item i{font-size:1rem}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:20px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 20px;font-size:.9rem;font-weight:500}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.chart-container{width:100%;height:300px;position:relative}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:20px;display:grid}.toast-container{z-index:2000;flex-direction:column;gap:8px;display:flex;position:fixed;top:20px;right:20px}.toast{border-radius:var(--radius-sm);min-width:280px;box-shadow:var(--shadow-lg);align-items:center;gap:10px;padding:12px 20px;font-size:.85rem;font-weight:500;animation:.3s slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast.success{color:#065f46;background:#ecfdf5;border:1px solid #6ee7b7}.toast.error{color:#991b1b;background:#fef2f2;border:1px solid #fca5a5}.toast.warning{color:#78350f;background:#fffbeb;border:1px solid #fcd34d}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{justify-content:center;align-items:center;padding:60px;display:flex}.mobile-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:8px;font-size:1.2rem;display:none}@media (width<=1024px){.grid-2,.grid-3{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.mobile-toggle{display:block}.page-header,.page-body{padding:16px 20px}.form-row{grid-template-columns:1fr}.toolbar{flex-direction:column;align-items:stretch}.search-input input{min-width:100%}}.skeleton{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);padding:18px;position:relative;overflow:hidden}.skeleton-card{min-height:96px}.skeleton-line{background:var(--bg-input);border-radius:4px;width:100%;height:12px;margin-bottom:10px}.skeleton-line--label{width:40%;height:10px}.skeleton-line--value{width:60%;height:18px;margin-bottom:6px}.skeleton-line--meta{width:30%;height:10px;margin-bottom:0}.skeleton-shimmer,.skeleton:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000 0%,#fff9 50%,#0000 100%);animation:1.4s infinite skeleton-shimmer;position:absolute;inset:0;transform:translate(-100%)}.skeleton-row{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;margin-bottom:8px;padding:14px 18px;position:relative;overflow:hidden}.skeleton-row:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000 0%,#fff9 50%,#0000 100%);animation:1.4s infinite skeleton-shimmer;position:absolute;inset:0;transform:translate(-100%)}.skeleton-table,.skeleton-list{padding:4px}@keyframes skeleton-shimmer{to{transform:translate(100%)}}@media (prefers-reduced-motion:reduce){.skeleton-shimmer,.skeleton:after,.skeleton-row:after{animation:none}}.skip-to-content{z-index:9999;background:var(--accent);color:#fff;border-radius:8px;padding:10px 16px;font-weight:600;text-decoration:none;transition:top .15s ease-in;position:absolute;top:-100px;left:12px}.skip-to-content:focus{outline-offset:2px;outline:3px solid #fff;top:12px}.sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.shortcuts-list{grid-template-columns:max-content 1fr;align-items:center;gap:10px 18px;font-size:.9rem;display:grid}.shortcuts-list kbd{background:var(--bg-input);border:1px solid var(--border-light);color:var(--text-primary);white-space:nowrap;border-radius:4px;padding:2px 8px;font-family:ui-monospace,monospace;font-size:.8rem;font-weight:600}