body {
    margin: 0;
    padding: 0;
    background-color: cadetblue;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

header {
    text-align: center;
    background-color: #2c3e50; 
    padding: 30px 0;         
    color: white;         
    box-shadow: 0 4px 10px rgba(0,0,0,0.2); 
}

header h1 {
    margin: 0;                 
    font-size: 2rem;         
    letter-spacing: 1px;
}


#contenedor-productos {
    display: flex;          
    flex-wrap: wrap;        
    justify-content: center; 
    gap: 20px;              
    width: 100%;            
    margin-top: 20px;
}

.practice-card {
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 2rem;        
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: flex-start;  
    text-align: center;
    width: 250px;      
    cursor: pointer;
}

.practice-card:hover {
    border-color: #2a2a2a;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.practice-title {
    color: #2c3e50;          
    font-size: 1.2rem;
    font-weight: bold;
    margin: 10px 0;
    align-self: center;
}

.practice-card p {
    margin: 4px 0; 
    font-size: 0.9rem;
}

.practice-img {
    width: 100%;
    height: 150px;          
    object-fit: contain;
    border-radius: 4px;
    margin-bottom: 10px;    
}
.search-container {
    display: flex;
    align-items: center;
    background-color: white; 
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 2px 10px;
    max-width: 400px;       
    margin: 30px auto;      
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#busqueda {
    border: none; 
    outline: none;
    height: 40px;
    flex: 1;               
    min-width: 0;          
    font-size: 16px;
}

.btn-lupa {
    background: none;      
    border: none;          
    cursor: pointer;      
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;          
    transition: color 0.2s ease;
}

.btn-lupa:hover {
    color: #e67e22;       
}

.nav-container {
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 20px;
}

.btn-regresar {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #2c3e50; 
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-regresar:hover {
    background-color: #1a252f;
    transform: translateX(-5px);
}

#contenedor-comentarios {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 800px;
    margin: 30px auto;
}

.comentario-card {
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-left: 5px solid #2c3e50;
    border-radius: 6px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.comentario-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comentario-usuario {
    font-weight: bold;
    color: #2c3e50;
    font-size: 1rem;
}

.comentario-texto {
    font-style: italic;
    color: #555;
    line-height: 1.4;
    margin: 10px 0;
}

.comentario-fecha {
    font-size: 0.8rem;
    color: #888;
    display: block;
    text-align: right;
}