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p{margin:0;color:var(--text-secondary);font-size:.875rem}.mensaje{padding:1rem;border-radius:var(--border-radius);margin-bottom:1.5rem;font-weight:500}.mensaje.exito{background-color:#d1fae5;color:#065f46;border:1px solid #6ee7b7}.mensaje.error{background-color:#fee2e2;color:#991b1b;border:1px solid #fca5a5}@media (max-width: 768px){.app-header{padding:var(--spacing);flex-direction:column;gap:1rem;align-items:flex-start}.app-main{padding:1rem}.cotizador-container,.configuracion-container{padding:1.5rem}.input-group{flex-direction:column;align-items:stretch}.input-number{width:100%}.resultado-item{flex-direction:column;align-items:flex-start;gap:.5rem}.resultado-valor{font-size:1.25rem}.total-valor{font-size:1.5rem}.desglose-header,.desglose-row{grid-template-columns:1fr;gap:.5rem}.desglose-header>div,.desglose-row>div{border-right:none;border-bottom:1px solid 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