:root{--color-primary: #D32F2F;--color-secondary: #1A1A1A;--color-accent: #FFFFFF;--color-text-main: #333333;--color-text-light: #F5F5F5;--color-background: #FAFAFA;--color-eu-blue: #003399;--color-eu-yellow: #FFCC00;--font-family-base: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--header-height: 80px;--footer-height: 60px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);background-color:var(--color-background);color:var(--color-text-main);line-height:1.5;min-height:100vh;display:flex;flex-direction:column}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}main{flex:1;display:flex;flex-direction:column}h1{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-sm)}h2{font-size:2rem;font-weight:600;margin-bottom:var(--spacing-sm)}p{margin-bottom:var(--spacing-sm)}.btn{display:inline-block;padding:.8rem 2rem;font-size:1.1rem;font-weight:600;text-decoration:none;border-radius:4px;cursor:pointer;transition:opacity .2s;border:none}.btn-primary{background-color:var(--color-primary);color:#fff;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 4px 6px #0000001a}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.main-header{background-color:#fff;box-shadow:0 2px 4px #0000001a;height:var(--header-height);display:flex;align-items:center;padding:0 var(--spacing-md);position:sticky;top:0;z-index:100}.header-content{width:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-section{display:flex;flex-direction:column;text-decoration:none;color:var(--color-primary)}.logo-text{font-size:1.8rem;font-weight:800;margin:0;line-height:1;color:#000}.logo-subtext{font-size:.6rem;color:var(--color-primary);font-weight:700;text-transform:uppercase;letter-spacing:1px}.header-title{font-size:1.5rem;font-weight:400;color:var(--color-text-main)}.main-footer{background-color:var(--color-primary);color:#fff;padding:var(--spacing-sm) 0;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm)}.footer-left{display:flex;align-items:center;gap:var(--spacing-sm)}.eu-flag-icon{font-size:2rem;line-height:1}.eu-text{display:flex;flex-direction:column;font-size:.7rem;line-height:1.2}.footer-center{display:flex;align-items:center;gap:var(--spacing-md)}.social-links{display:flex;gap:var(--spacing-xs)}.social-icon{color:#fff;background:#fff3;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;text-decoration:none;transition:background .2s}.social-icon:hover{background:#fff6}.footer-links{display:flex;flex-direction:column;font-size:.8rem}.footer-links a{color:#fff;text-decoration:none}.footer-links a:hover{text-decoration:underline}.footer-right{font-size:.8rem;font-weight:500}.welcome-page{text-align:center;padding:var(--spacing-md);width:100%;height:100%;max-width:1400px;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1}.welcome-title{font-size:1.8rem;color:#000;margin-bottom:var(--spacing-md);font-weight:600}.welcome-content-wrapper{display:flex;justify-content:center;align-items:center;gap:var(--spacing-lg);width:100%}.left-column{flex:1;display:flex;flex-direction:column;align-items:center;max-width:600px}.right-column{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;max-width:600px;gap:var(--spacing-md)}.hero-image{width:100%;height:auto;max-height:50vh;object-fit:contain;border-radius:2px;box-shadow:0 4px 8px #00000026;display:block}.sub-description{margin-top:var(--spacing-sm);font-size:1rem;color:var(--color-text-main);text-align:center;line-height:1.4}.description-text{font-size:1.25rem;line-height:1.6;color:#000;text-align:center;margin-bottom:var(--spacing-lg)}.start-button{background-color:#e53935;font-size:1rem;padding:.8rem 2.5rem;font-weight:600;border-radius:4px;box-shadow:0 2px 4px #0003}.start-button:hover{background-color:#d32f2f}@media(max-width:900px){.welcome-content-wrapper{flex-direction:column}.right-column{margin-top:var(--spacing-md)}.hero-image{max-height:30vh}}.scenario-page{display:flex;flex:1;height:100%;overflow:hidden}.scenario-sidebar{width:350px;background-color:#fff;border-right:1px solid #e0e0e0;padding:var(--spacing-sm) var(--spacing-md);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.menu-btn{background:none;border:none;cursor:pointer;color:var(--color-primary)}.form-group{margin-bottom:var(--spacing-md)}.form-group>label{display:block;font-weight:700;margin-bottom:var(--spacing-xs);font-size:.95rem}.select-wrapper select,.sub-input select,.traffic-col select{width:100%;padding:.6rem;border:1px solid #ddd;border-radius:4px;background-color:#fff;font-size:.9rem;color:#333}.equipment-inputs{display:flex;flex-direction:column;gap:var(--spacing-sm)}.sub-input{display:flex;flex-direction:column}.sub-label{font-size:.75rem;color:#666;margin-bottom:2px}.traffic-inputs{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xs);align-items:end}.traffic-col{display:flex;flex-direction:column}.traffic-col label{font-size:.75rem;color:#666;margin-bottom:4px}.save-btn{width:100%;background-color:#e53935;margin-top:var(--spacing-md);font-size:.9rem;padding:.8rem}.scenario-main{flex:1;background-color:#fff;padding:var(--spacing-md);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.schematic-container{position:relative;width:100%;max-width:1000px;display:flex;justify-content:center}.schematic-image{width:100%;height:auto;max-height:70vh;object-fit:contain}.simulation-actions{margin-top:var(--spacing-md)}.run-btn{background-color:#e53935;padding:.8rem 2rem;font-size:1rem;font-weight:600;box-shadow:0 4px 6px #0000001a}.run-btn:hover{background-color:#d32f2f}.station-label,.terminal-label{position:absolute;font-weight:700;color:#29b6f6;background:#fffc;padding:2px 5px;border-radius:4px;pointer-events:none}.station-label.montirone{top:10%;right:10%;display:none}.terminal-label.mis{bottom:10%;left:40%;color:#66bb6a;display:none}.simulation-page{display:flex;flex:1;height:100%;overflow:hidden}.simulation-sidebar{width:350px;background-color:#fff;border-right:1px solid #e0e0e0;padding:var(--spacing-sm) var(--spacing-md);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.sidebar-header h2{font-size:1.5rem;font-weight:700;margin:0}.results-section{flex:1}.results-section h3{font-size:1.1rem;font-weight:700;margin-bottom:var(--spacing-sm)}.kpi-table{width:100%;border-collapse:collapse;font-size:.85rem}.kpi-table thead{background-color:#f5f5f5}.kpi-table th{padding:.5rem;text-align:left;font-weight:700;border-bottom:2px solid #ddd}.kpi-table td{padding:.5rem;border-bottom:1px solid #eee}.kpi-table tbody tr:hover{background-color:#f9f9f9}.trend-up{color:#e53935}.trend-down{color:#66bb6a}.continue-btn{width:100%;background-color:#e53935;margin-top:var(--spacing-md);font-size:.9rem;padding:.8rem}.simulation-main{flex:1;background-color:#fff;padding:var(--spacing-md);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.schematic-container{position:relative;width:100%;max-width:1000px;display:flex;justify-content:center;margin-bottom:var(--spacing-md)}.schematic-image{width:100%;height:auto;max-height:60vh;object-fit:contain}.overlay-hint{position:absolute;top:10px;right:10px;background:#ffffffe6;padding:.5rem 1rem;border-radius:4px;font-size:.8rem;color:#666;box-shadow:0 2px 4px #0000001a}.simulation-controls{display:flex;gap:var(--spacing-lg);align-items:center}.playback-controls{display:flex;gap:var(--spacing-xs)}.control-btn{background-color:#f5f5f5;border:1px solid #ddd;border-radius:4px;padding:.6rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.control-btn:hover{background-color:#e0e0e0}.control-btn svg{color:#333}.visualization-toggles{display:flex;gap:var(--spacing-md);align-items:center}.toggle-item{display:flex;align-items:center;gap:.4rem;cursor:pointer;font-size:.9rem}.toggle-item input[type=checkbox]{cursor:pointer;width:16px;height:16px}.toggle-item span{-webkit-user-select:none;user-select:none}.app-container{display:flex;flex-direction:column;min-height:100vh}