:root{--primary: #C62828;--primary-light: #EF5350;--primary-dark: #8E0000;--blue: #1A3C7A;--blue-light: #2B5EA7;--blue-soft: #E8EEF8;--blue-icon: #2B5EA7;--white: #FFFFFF;--bg: #F5F7FA;--bg-2: #EEF1F6;--surface: #FFFFFF;--surface-2: #F8F9FC;--border: #E2E6ED;--border-light: #D0D5DE;--success: #1B8A3E;--success-bg: #E8F5EC;--warning: #D97706;--warning-bg: #FFF8E1;--danger: #C62828;--danger-bg: #FDECEA;--text: #1A2332;--text-secondary: #4A5568;--text-muted: #8896A6;--text-dim: #A0AEC0;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--radius-xl: 24px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-lg: 0 4px 24px rgba(0,0,0,.08);--shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 2px 8px rgba(0,0,0,.03);--transition: .2s cubic-bezier(.4, 0, .2, 1);--sidebar-w: 260px;--topbar-h: 60px;--bottomnav-h: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:var(--blue-light);text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex-shrink:0}.icon svg{width:100%;height:100%;stroke:var(--blue-icon);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);border:none;font-size:.875rem;font-weight:600;transition:all var(--transition);min-height:44px;white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light);box-shadow:0 4px 16px #c6282840}.btn-secondary{background:var(--blue);color:#fff}.btn-secondary:hover{background:var(--blue-light)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-2);color:var(--text);border-color:var(--border-light)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.9}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 14px;font-size:.8rem;min-height:34px}.btn-lg{padding:14px 28px;font-size:1rem}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card);transition:all var(--transition)}.card:hover{box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:1rem;font-weight:700;color:var(--text)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:10px 14px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.9rem;transition:all var(--transition);min-height:44px}.form-input:focus{outline:none;border-color:var(--blue-light);box-shadow:0 0 0 3px #2b5ea71f}.form-input::placeholder{color:var(--text-dim)}select.form-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238896A6' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-success{background:var(--success-bg);color:var(--success)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-info{background:var(--blue-soft);color:var(--blue)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;animation:fadeIn .2s ease}.modal{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal-title{font-size:1.25rem;font-weight:700;margin-bottom:20px;color:var(--text)}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.table-wrapper{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}.table{width:100%;border-collapse:collapse}.table th{padding:12px 16px;text-align:left;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border)}.table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.875rem}.table tr:hover td{background:var(--bg)}.table tr:last-child td{border-bottom:none}.toast-container{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;animation:slideIn .3s ease;min-width:280px;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-lg)}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}.toast-info{background:var(--blue);color:#fff}.loader{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}.page-header{margin-bottom:24px}.page-title{font-size:1.5rem;font-weight:800;color:var(--text);display:flex;align-items:center;gap:10px}.page-subtitle{color:var(--text-muted);font-size:.875rem;margin-top:4px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.grid-4{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.flex{display:flex}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-center{display:flex;align-items:center;justify-content:center}.gap-8{gap:8px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.stat-card{text-align:center;padding:24px}.stat-icon{margin-bottom:8px;display:flex;justify-content:center}.stat-icon .icon{width:36px;height:36px}.stat-icon .icon svg{stroke:var(--blue-icon)}.stat-value{font-size:2rem;font-weight:800;color:var(--blue)}.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-icon{margin-bottom:12px;display:flex;justify-content:center}.empty-icon .icon{width:48px;height:48px}.empty-text{font-size:1rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(60px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease}.slide-up{animation:slideUp .4s ease}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:var(--white);border-right:1px solid var(--border);z-index:100;display:flex;flex-direction:column;transition:transform .3s ease}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-logo{height:32px;width:auto;object-fit:contain}.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.875rem;font-weight:500;transition:all var(--transition);margin-bottom:2px}.sidebar-link:hover{background:var(--bg);color:var(--text)}.sidebar-link.active{background:var(--blue-soft);color:var(--blue);font-weight:600}.sidebar-link .icon svg{stroke:currentColor}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}.sidebar-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-sm)}.sidebar-avatar{width:36px;height:36px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem}.sidebar-username{font-size:.85rem;font-weight:600;color:var(--text)}.sidebar-role{font-size:.7rem;color:var(--text-muted)}.topbar{position:fixed;top:0;right:0;left:var(--sidebar-w);height:var(--topbar-h);background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90}.topbar-title{font-size:1.1rem;font-weight:700;color:var(--text)}.topbar-actions{display:flex;align-items:center;gap:8px}.hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;padding:8px}.main-content{margin-left:var(--sidebar-w);margin-top:var(--topbar-h);padding:24px;min-height:calc(100vh - var(--topbar-h))}.bottomnav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--bottomnav-h);background:var(--white);border-top:1px solid var(--border);z-index:100;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom,0);box-shadow:0 -2px 10px #0000000a}.bottomnav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;color:var(--text-dim);font-size:.65rem;font-weight:600;text-decoration:none;transition:all var(--transition);min-width:56px}.bottomnav-item .icon svg{stroke:currentColor}.bottomnav-item.active{color:var(--blue)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px;position:relative}.login-card{width:100%;max-width:400px;padding:40px;position:relative;z-index:1}.login-logo{text-align:center;margin-bottom:32px}.login-logo img{height:40px;margin-bottom:16px}.login-logo h1{font-size:1.6rem;font-weight:800;color:var(--text)}.login-logo p{color:var(--text-muted);font-size:.85rem;margin-top:4px}.login-error{background:var(--danger-bg);color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:16px;text-align:center}.input-password-wrapper{position:relative}.input-password-wrapper .form-input{padding-right:44px}.password-toggle{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;padding:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--transition)}.password-toggle:hover{color:var(--blue-light);background:var(--bg)}.password-toggle .icon svg{stroke:currentColor}.product-list{display:flex;flex-direction:column;gap:8px}.product-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all var(--transition)}.product-item:hover{border-color:var(--border-light);background:var(--surface-2)}.product-cat-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:var(--blue-soft)}.product-cat-icon .icon svg{stroke:var(--blue-icon)}.product-info{flex:1;min-width:0}.product-name{font-weight:600;font-size:.9rem;color:var(--text)}.product-cat{font-size:.75rem;color:var(--text-muted)}.product-qty{display:flex;gap:6px;align-items:center}.product-qty input{width:70px;text-align:center}.product-qty select{width:90px}.product-remove{background:none;border:none;color:var(--text-dim);font-size:1.2rem;padding:4px}.product-remove:hover{color:var(--danger)}.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:.75rem;background:var(--bg-2);color:var(--text-secondary);border:1px solid var(--border)}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-lg)}.topbar{left:0}.hamburger{display:block}.main-content{margin-left:0;padding:16px;padding-bottom:calc(var(--bottomnav-h) + 16px)}.bottomnav{display:flex}.modal{margin:0 8px;max-height:85vh}.grid-2,.grid-3{grid-template-columns:1fr}.hide-mobile{display:none!important}}@media (min-width: 769px){.show-mobile{display:none!important}}