body {
    background-color: #f0f2f5;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

.container-verificador {
    background-color: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    max-width: 800px; 
    width: 95%;
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    color: #343a40;
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: 700;
}

#codigo {
    text-align: center;
    font-size: 1.5rem;
    padding: 12px;
    border-radius: 10px;
    border: 2px solid #007bff;
    margin-bottom: 20px;
    width: 100%;
}

#resultado {
    margin-top: 20px;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.producto-img {
    max-width: 220px;
    max-height: 220px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 10px;
    transition: all 0.4s ease;
}

.nombre-producto {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3436;
    margin-bottom: 25px;
    line-height: 1.2;
}

.precios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    width: 100%;
}

.precio-item {
    background: #fdfdfd;
    padding: 15px 10px;
    border-radius: 12px;
    border-top: 5px solid #6c757d; 
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.item-mayor { border-top-color: #6c757d; }
.item-menor { border-top-color: #17a2b8; }
.item-publico { border-top-color: #28a745; background-color: #f8fff9; }

.precio-etiqueta {
    font-size: 0.8rem;
    color: #636e72;
    text-transform: uppercase;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.precio {
    font-size: 2rem;
    font-weight: 800;
    color: #2d3436;
    margin: 0;
    white-space: nowrap;
}

.item-publico .precio { color: #28a745; font-size: 2.3rem; }

.message-text { font-size: 1.8rem; color: #b2bec3; }
.error-text { color: #d63031; }

.fade-out { opacity: 0; transform: scale(0.9); transition: 0.3s; }
.fade-in { opacity: 1; transform: scale(1); transition: 0.4s; }
.d-none { display: none !important; }

@media (max-width: 768px) {
    .precios-grid { grid-template-columns: 1fr; gap: 10px; }
    .precio { font-size: 1.8rem; }
    .nombre-producto { font-size: 1.5rem; }
}