:root{--primary-color: #4338ca;--secondary-color: #1d4ed8;--bg-light: #f3f4f6;--bg-card: #ffffff;--text-dark: #1f2937;--text-light: #6b7280;--accent-green: #22c55e;--accent-red: #ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Montserrat,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--bg-light)}#calculator-section{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem}.calculator-container{background-color:var(--bg-card);padding:2rem;border-radius:1.5rem;box-shadow:0 10px 15px #0000001a;max-width:50rem;width:100%}.title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:.5rem;color:var(--primary-color)}.subtitle{text-align:center;color:var(--text-light);margin-bottom:1.5rem}.form-section{display:flex;flex-direction:column;gap:1.5rem}.input-group{display:flex;flex-direction:column;gap:.25rem}.label{font-size:.875rem;font-weight:500;color:var(--text-dark)}.input-field{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:.5rem;box-shadow:0 1px 2px #0000000d;transition:all .2s ease-in-out}.input-field:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 0 3px #4299e180}.appliances-list{display:flex;flex-direction:column;gap:1rem}.appliance-item{display:grid;grid-template-columns:repeat(1,1fr);gap:1rem;background-color:#f9fafb;padding:1rem;border-radius:.75rem;box-shadow:inset 0 2px 4px #0000000f;position:relative}.appliance-input{display:flex;flex-direction:column;gap:.25rem}.remove-btn{position:absolute;top:.5rem;right:.5rem;background-color:var(--accent-red);color:#fff;border:none;border-radius:50%;width:2rem;height:2rem;font-size:1.25rem;cursor:pointer;transition:background-color .2s;display:flex;align-items:center;justify-content:center;font-weight:700}.remove-btn:hover{background-color:#b91c1c}.buttons-container{display:flex;gap:1rem}.button{flex:1;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:600;color:#fff;cursor:pointer;transition:background-color .2s;box-shadow:0 4px 6px #0000001a}.button-add{background-color:var(--accent-green)}.button-add:hover{background-color:#15803d}.button-calculate{background-color:var(--primary-color)}.button-calculate:hover{background-color:#3730a3}.results-section,.generation-simulation-section,.chart-container{margin-top:2rem;padding:1.5rem;background-color:var(--bg-light);border-radius:1rem;box-shadow:inset 0 2px 4px #0000000f;display:flex;flex-direction:column;gap:1.5rem}.results-title,.generation-title{font-size:1.5rem;font-weight:700;text-align:center;color:var(--primary-color)}.simulation-subtitle{font-size:1.25rem;font-weight:700;color:var(--text-dark);margin-bottom:1rem}.cost-cards,.simulation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;text-align:center}.cost-card,.simulation-item{background-color:#e0e7ff;padding:1rem;border-radius:.75rem;box-shadow:0 2px 4px #0000000d}.cost-label,.simulation-label{font-size:.875rem;color:var(--text-light)}.cost-value,.simulation-value{font-size:1.25rem;font-weight:700;color:var(--secondary-color);margin-top:.25rem}.simulation-card{padding:1.5rem;border-radius:1.5rem;box-shadow:0 4px 6px #0000001a}.solar-card{background-color:#f1f5fd}.diesel-card{background-color:#f7f7f7}.simulation-info{font-size:.75rem;color:#6b7280;margin-top:1rem;text-align:center}.chart-title{font-size:1.25rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-dark)}.message-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:100;transition:opacity .3s ease}.message-overlay.hidden{display:none}.message-container{background-color:#fff;padding:1.5rem;border-radius:.75rem;box-shadow:0 10px 20px #0003;max-width:20rem;width:100%;text-align:center}.message-text{font-size:1.125rem;font-weight:600;color:var(--text-dark);margin-bottom:1rem}.button-ok{background-color:var(--primary-color)}.button-ok:hover{background-color:#3730a3}.hidden{display:none!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.appliance-item{animation:fadeIn .3s ease-in-out}@media (min-width: 768px){.appliance-item{grid-template-columns:repeat(5,1fr);align-items:end}.appliance-item .appliance-input:nth-child(1){grid-column:span 1}.appliance-item .appliance-input:nth-child(2){grid-column:span 1}.appliance-item .appliance-input:nth-child(3){grid-column:span 1}.appliance-item .appliance-input:nth-child(4){grid-column:span 1}.remove-btn{position:static;margin:auto 0}}