:root{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--primary-glow: rgba(37, 99, 235, .25);--secondary: #7c3aed;--success: #059669;--success-light: #10b981;--warning: #d97706;--warning-light: #fbbf24;--danger: #dc2626;--danger-light: #f87171;--info: #0891b2;--bg: #f0f2f5;--bg-card: #ffffff;--bg-sidebar: #0f172a;--bg-sidebar-hover: #1e293b;--bg-input: #f8fafc;--border: #e2e8f0;--border-focus: var(--primary);--text: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--text-sidebar: #cbd5e1;--text-sidebar-active: #ffffff;--sidebar-width: 320px;--header-height: 64px;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .05);--ease: cubic-bezier(.4, 0, .2, 1);--duration: .2s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}img{max-width:100%;display:block}.app-layout{display:flex;min-height:100vh}.sidebar{width:320px;background:#0f172a;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--duration) var(--ease);box-shadow:4px 0 12px #00000040}.sidebar-brand{padding:16px 20px;border-bottom:1px solid 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rgba(255,255,255,.05);background:#0000001a}.sidebar-footer a{color:#94a3b8;text-decoration:none;font-weight:600;transition:color .2s}.sidebar-footer a:hover{color:#fff}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.nav-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);padding:20px 16px 8px;margin-top:4px}.nav-item{display:flex;align-items:flex-start;gap:12px;padding:10px 20px;border-radius:0;color:#94a3b8;font-size:14px;font-weight:500;cursor:pointer;transition:all var(--duration) var(--ease);margin-bottom:0;border:none;background:transparent!important;width:100%;box-sizing:border-box!important;text-align:left;white-space:normal!important;line-height:1.4;flex-wrap:nowrap!important}.nav-item>span:not(.material-icons-round){flex:1;word-break:break-word;padding-top:2px}.nav-item:hover{background:#1e293b!important;color:#fff}.nav-item.active{background:#2563eb!important;color:#fff;box-shadow:0 4px 12px #2563eb4d}.nav-item .material-icons-round{font-size:20px!important;min-width:20px;margin-top:0;opacity:1!important}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06)}.sidebar-footer p{font-size:11px;color:var(--text-muted);text-align:center;line-height:1.5}.content-area{margin-left:320px;flex:1;min-height:100vh;display:flex;flex-direction:column}.top-header{height:var(--header-height);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:90;box-shadow:var(--shadow-sm)}.header-left{display:flex;align-items:center;gap:16px}.header-title{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.3px}.header-right{display:flex;align-items:center;gap:16px}.router-badge{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;background:#f0fdf4;border:1px solid #bbf7d0;color:var(--success);cursor:pointer;transition:all var(--duration) var(--ease)}.router-badge.offline{background:#fef2f2;border-color:#fecaca;color:var(--danger)}.router-badge.non-esiste{background:#f1f5f9;border-color:#e2e8f0;color:var(--text-muted)}.router-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse-dot 2s infinite}.router-badge.offline .dot{background:var(--danger);animation:none}@keyframes 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var(--ease)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:16px;font-weight:600}.card-body{padding:22px}.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;width:100%;max-width:100%;justify-content:start}.menu-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:32px 20px;text-align:center;cursor:pointer;border:1px solid var(--border);transition:all .3s var(--ease);position:relative;overflow:hidden}.menu-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-color, var(--primary));transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}.menu-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}.menu-card:hover:before{transform:scaleX(1)}.menu-card-icon{width:60px;height:60px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px;color:#fff;background:var(--card-color, var(--primary));box-shadow:0 4px 12px color-mix(in srgb,var(--card-color, var(--primary)) 30%,transparent);transition:transform .3s var(--ease)}.menu-card:hover .menu-card-icon{transform:scale(1.1) rotate(-3deg)}.menu-card-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}.menu-card-desc{font-size:12px;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all var(--duration) var(--ease);text-decoration:none}.btn 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.2s}.tab-btn.active{color:var(--primary)}.tab-btn.active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--primary)}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.stat-item{background:var(--bg-card);padding:16px;border-radius:var(--radius);border:1px solid var(--border);text-align:center}.stat-val{display:block;font-size:20px;font-weight:800;color:var(--primary);margin-bottom:4px}.stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.suggested-preview-item{display:flex;align-items:center;padding:12px;border-bottom:1px solid var(--border)}.suggested-preview-item:last-child{border-bottom:none}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:18px;font-weight:700}.modal-close{width:32px;height:32px;border:none;background:var(--bg);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all var(--duration) var(--ease)}.modal-close:hover{background:var(--danger-light);color:#fff}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}#toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{padding:14px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:#fff;box-shadow:var(--shadow-lg);animation:toastIn .3s var(--ease);display:flex;align-items:center;gap:10px;min-width:300px}@keyframes toastIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.toast.toast-out{animation:toastOut .3s var(--ease) forwards}@keyframes toastOut{to{opacity:0;transform:translate(40px)}}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}.toast-warning{background:var(--warning)}.toast-info{background:var(--primary)}.spinner{width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner-dark{border-color:#0000001a;border-top-color:var(--primary)}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffffd9;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:50;border-radius:var(--radius)}.loading-overlay .spinner-dark{width:36px;height:36px}.loading-overlay p{margin-top:12px;font-size:14px;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .material-icons-round{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:18px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:14px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b,#0f172a);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(37,99,235,.15),transparent 70%);top:-100px;right:-100px}.login-page:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(124,58,237,.1),transparent 70%);bottom:-100px;left:-100px}.login-box{width:420px;background:#ffffff08;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:48px 40px;position:relative;z-index:1;box-shadow:0 25px 50px -12px #00000080}.login-logo{text-align:center;margin-bottom:40px}.login-logo-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:28px;color:#fff;font-weight:900;box-shadow:0 8px 24px #2563eb4d}.login-logo h1{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.5px}.login-logo span{font-size:14px;color:var(--text-muted);display:block;margin-top:4px}.login-box .form-label{color:#ffffffb3}.login-box .form-input{background:#ffffff0f;border-color:#ffffff1a;color:#fff}.login-box .form-input:focus{background:#ffffff1a;border-color:var(--primary)}.login-box .form-input::placeholder{color:#ffffff4d}.login-box 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#2563eb66;transform:translateY(-2px)}.login-btn:disabled{opacity:.6;transform:none!important}.login-server{text-align:center;margin-top:28px;font-size:12px;color:#ffffff40}.password-wrapper{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:#fff6;cursor:pointer;font-size:20px;display:flex;align-items:center}.password-toggle:hover{color:#ffffffb3}.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid var(--border);display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}.stat-info h3{font-size:24px;font-weight:700;line-height:1}.stat-info p{font-size:13px;color:var(--text-muted);margin-top:2px}.toolbar{display:flex;align-items:center;gap:12px;padding:16px 0;flex-wrap:wrap}.toolbar-search{display:flex;flex:1;max-width:400px}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;padding:20px 0}.pagination .btn{min-width:36px}.esl-item{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);transition:all var(--duration) var(--ease);gap:16px}.esl-item:hover{background:#f8fafc}.esl-item.selected{background:#eff6ff}.esl-code{font-weight:700;font-size:15px;min-width:120px}.esl-product{flex:1}.esl-product-name{font-weight:600;font-size:14px}.esl-product-barcode{font-size:12px;color:var(--text-muted)}.esl-price{font-weight:700;color:var(--primary);font-size:15px;min-width:80px;text-align:right}.esl-status{min-width:90px;text-align:center}.esl-battery{min-width:60px;text-align:center;font-size:13px;color:var(--text-muted)}.product-row{display:flex;align-items:center;padding:12px 18px;border-bottom:1px solid var(--border);transition:all var(--duration) 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