:root{--secondary-color: #5d8d5f;--accent-color: #016ca2;--background-color: #ecf0f1;--card-background: #ffffff;--text-color: #2c3e50;--text-light: #7f8c8d;--border-color: #bdc3c7;--success-color: #27ae60;--warning-color: #f39c12}*{margin:0;padding:0;box-sizing:border-box}.subtitle{font-size:1.1rem;opacity:.9}.card{background:var(--card-background);border-radius:10px;padding:15px;margin-bottom:20px;border:solid 1px #cac6c6}.formula-box{text-align:center;background-color:#667eea15;padding:5px;border-radius:8px}.formula-box h3{color:var(--primary-color);margin-bottom:15px}.formula{font-size:1.5rem;font-weight:700;color:var(--accent-color);margin:10px 0}.formula-legend{color:var(--accent-color)}.formula-sub-legend{display:grid;column-gap:8px;justify-content:center;text-align:left;margin:15px auto;font-size:.9rem}h2{color:var(--primary-color);margin-bottom:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--primary-color)}.help-text{display:block;font-size:.85rem;color:var(--text-light);font-weight:400;margin-top:4px}input[type=number],select{width:100%;padding:12px;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;transition:border-color .3s}input[type=number]:focus,select:focus{outline:none;border-color:var(--accent-color)}select:disabled{background-color:#f5f5f5;cursor:not-allowed}.btn-calculate{width:100%;padding:15px;background:var(--secondary-color);color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-calculate:hover{transform:translateY(-2px);box-shadow:0 4px 12px #27ae6066}.btn-calculate:active{transform:translateY(0)}.resultado{border:2px solid var(--secondary-color);animation:slideIn .5s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.resultado-header{background:linear-gradient(135deg,#667eea15,#764ba215);padding:10px;border-radius:8px;margin-bottom:25px}.resultado-ubicacion{display:flex;gap:10px;align-items:center;margin-bottom:10px}.resultado-ubicacion strong{color:var(--primary-color);font-size:1.2rem}.resultado-ubicacion span,.valor-catastral{color:var(--text-light)}.valor-catastral strong{color:var(--primary-color)}.desglose{margin:20px 0}.desglose h3{color:var(--primary-color);margin-bottom:15px;font-size:1.2rem}.desglose-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border-bottom:1px solid var(--border-color)}.desglose-item:last-child{border-bottom:none}.desglose-item.subtotal{background:#f8f9fa;border-radius:6px;font-weight:600;margin-top:10px}.desglose-label{display:flex;flex-direction:column;gap:4px}.variable{display:inline-block;background:var(--accent-color);color:#fff;padding:4px 8px;border-radius:4px;font-family:MarcinAntB;font-size:.9rem;font-weight:700;margin-right:8px}.desglose-label small{color:var(--text-light);font-size:.85rem}.desglose-valor{font-size:1.2rem;font-weight:600;color:var(--primary-color)}.resultado-final{background-color:var(--secondary-color);color:#fff;padding:20px;border-radius:8px;margin-top:25px}.formula-calculo{font-size:1rem;margin-bottom:15px;opacity:.9}.cuota-total{display:flex;justify-content:space-between;align-items:center}.cuota-total .label{font-size:1.1rem;font-weight:600}.cuota-total .valor{font-size:2.1rem;font-weight:700}footer{text-align:center;color:#fff;padding:20px}.info-text{background:#ffffff1a;padding:15px;border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.info-text small{opacity:.8}@media (max-width: 600px){header h1{font-size:1.8rem}.formula{font-size:1.5rem}.formula-legend{grid-template-columns:1fr}.card{padding:20px}.cuota-total{flex-direction:column;gap:10px;align-items:flex-start}}